Add rx-only FPGA project and Linux demo app

README.md

@@ -10,7 +10,7 @@ RFTool is a standalone AD9361 based SDR with a USB 3 interface and a number of o
  - Flexible external reference input (switchable termination and coupling)
  - USB powered, no external power needed
 
-Rev 1.0 of the hardware has been built and initial tests completed. FPGA and PC code is still
-a work in progress and will be released once more complete.
+Rev 1.0 of the hardware has been built and initial tests completed. Receive-only
+FPGA code and a simple Spectrum Analyser application for Linux has also been built.
 
 ![Rev 1.0 Hardware](http://ds0.me/sdr/hardware_tiny.jpg)

fpga/.gitignore

@@ -0,0 +1,3 @@
+*.o
+work/
+*.cf

fpga/README.md

@@ -0,0 +1,6 @@
+# FPGA code
+
+At the moment the FPGA code handles receive only. A project for Xilinx Vivado 2016.3 is
+included in in the `projects/rx_only` folder.
+
+Code is licensed under the MIT License except code autogenerated by Xilinx tools.

fpga/ad9361/ad9361_rx_if.vhd

@@ -0,0 +1,198 @@
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.NUMERIC_STD.ALL;
+
+library UNISIM;
+use UNISIM.VComponents.all;
+
+--AD9361 1Rx-only LVDS DDR interface
+--Copyright (C) 2016 David Shah
+--Licensed under the MIT License
+
+entity ad9361_sdr_rx_if is
+  port(
+    --AD9361 side
+    data_clock_p : in std_logic;
+    data_clock_n : in std_logic;
+    fb_clock_p : out std_logic;
+    fb_clock_n : out std_logic;
+
+    rx_frame_p : in std_logic;
+    rx_frame_n : in std_logic;
+    tx_frame_p : out std_logic;
+    tx_frame_n : out std_logic;
+
+    p0_d : out std_logic_vector(11 downto 0);
+    p1_d : in std_logic_vector(11 downto 0);
+
+    --User side
+    user_clock : out std_logic;
+    rx_data_frame : out std_logic;
+    rx_data_i : out std_logic_vector(11 downto 0);
+    rx_data_q : out std_logic_vector(11 downto 0));
+end ad9361_sdr_rx_if;
+
+--The following pairs are swapped (ie inverted) on the PCB
+--RX_FRAME; TX_FRAME, TX_D0, FB_CLK, RX_D5, RX_D3, RX_D4
+--TODO: change this setting to be a VHDL generic
+
+architecture Behavioral of ad9361_sdr_rx_if is
+  signal clock_se, clock_buf, fb_clock_se : std_logic;
+  signal input_data_se : std_logic_vector(5 downto 0);
+  signal input_data_sdr_rp, input_data_sdr_fp, input_data_sdr_r, input_data_sdr_f : std_logic_vector(5 downto 0);
+  signal data_lat_i : std_logic_vector(11 downto 0);
+  signal data_lat_q : std_logic_vector(11 downto 0);
+  signal rx_frame_se_pre, rx_frame_se : std_logic;
+begin
+  clkibuf : IBUFDS
+    generic map(
+      IBUF_LOW_PWR => FALSE,
+      IOSTANDARD => "DEFAULT")
+    port map(
+      O => clock_se,
+      I => data_clock_p,
+      IB => data_clock_n
+    );
+  clkbufio : BUFR
+    generic map(
+      BUFR_DIVIDE => "BYPASS",
+      SIM_DEVICE => "7SERIES")
+    port map(
+      O => clock_buf,
+      CE => '1',
+      CLR => '0',
+      I => clock_se);
+
+  fbclkdrv : ODDR
+    generic map(
+      DDR_CLK_EDGE => "OPPOSITE_EDGE",
+      INIT => '0',
+      SRTYPE => "SYNC")
+    port map(
+      Q => fb_clock_se,
+      C => clock_buf,
+      CE => '1',
+      D1 => '0',
+      D2 => '1',
+      R => '0',
+      S => '0');
+
+  clkobuf : OBUFDS
+    generic map(
+      IOSTANDARD => "DEFAULT",
+      SLEW => "SLOW")
+    port map(
+      O => fb_clock_n,
+      OB => fb_clock_p,
+      I => fb_clock_se);
+
+  gen_io : for i in 0 to 5 generate
+    gen_inv_i : if (i = 3) or (i = 4) or (i = 5) generate
+      rxibuf : IBUFDS
+        generic map(
+          IBUF_LOW_PWR => FALSE,
+          IOSTANDARD => "DEFAULT")
+        port map(
+          O => input_data_se(i),
+          I => p1_d((i*2)),
+          IB => p1_d((i*2)+1));
+      input_data_sdr_rp(i) <= not input_data_sdr_r(i);
+      input_data_sdr_fp(i) <= not input_data_sdr_f(i);
+    end generate;
+
+    gen_true_i : if (i = 0) or (i = 1) or (i = 2) generate
+      rxibuf : IBUFDS
+        generic map(
+          IBUF_LOW_PWR => FALSE,
+          IOSTANDARD => "DEFAULT")
+        port map(
+          O => input_data_se(i),
+          I => p1_d((i*2)+1),
+          IB => p1_d(i*2));
+      input_data_sdr_rp(i) <= input_data_sdr_r(i);
+      input_data_sdr_fp(i) <= input_data_sdr_f(i);
+    end generate;
+
+    rxiddr : IDDR
+      generic map(
+        DDR_CLK_EDGE => "OPPOSITE_EDGE",
+        INIT_Q1 => '0',
+        INIT_Q2 => '0',
+        SRTYPE => "SYNC")
+      port map(
+        Q1 => input_data_sdr_r(i),
+        Q2 => input_data_sdr_f(i),
+        C => clock_buf,
+        CE => '1',
+        D => input_data_se(i),
+        R => '0',
+        S => '0');
+
+    gen_inv_o : if (i = 0) generate
+      txobuf : OBUFDS
+        generic map(
+          IOSTANDARD => "DEFAULT",
+          SLEW => "SLOW")
+        port map(
+          O => p0_d((i*2)),
+          OB => p0_d((i*2)+1),
+          I => '1');
+    end generate;
+
+    gen_true_o : if (i /= 0) generate
+      txobuf : OBUFDS
+        generic map(
+          IOSTANDARD => "DEFAULT",
+          SLEW => "SLOW")
+        port map(
+          O => p0_d((i*2)+1),
+          OB => p0_d(i*2),
+          I => '0');
+    end generate;
+
+  end generate;
+
+  rxfbuf : IBUFDS
+    generic map(
+      IBUF_LOW_PWR => FALSE,
+      IOSTANDARD => "DEFAULT")
+    port map(
+      O => rx_frame_se_pre,
+      I => rx_frame_n,
+      IB => rx_frame_p
+    );
+
+  txfbuf : OBUFDS
+    generic map(
+      IOSTANDARD => "DEFAULT",
+      SLEW => "SLOW")
+    port map(
+      O => tx_frame_n,
+      OB => tx_frame_p,
+      I => '1');
+
+  rx_frame_se <= not rx_frame_se_pre;
+
+  process(clock_buf)
+  begin
+    if falling_edge(clock_buf) then
+      if rx_frame_se = '1' then
+        data_lat_i(5 downto 0) <= input_data_sdr_fp;
+        data_lat_q(5 downto 0) <= input_data_sdr_rp;
+        rx_data_frame <= '0';
+      else
+        rx_data_i <= data_lat_i;
+        rx_data_q <= data_lat_q;
+        rx_data_frame <= '1';
+        data_lat_i(11 downto 6) <= input_data_sdr_fp;
+        data_lat_q(11 downto 6) <= input_data_sdr_rp;
+      end if;
+    end if;
+  end process;
+
+
+
+  user_clock <= clock_buf;
+
+
+end Behavioral;

fpga/ad9361/ad9361_spi_if.vhd

@@ -0,0 +1,169 @@
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.NUMERIC_STD.ALL;
+
+--Simple SPI Interface
+--Copyright (C) 2016 David Shah
+--Licensed under the MIT License
+
+entity ad9361_spi_if is
+  generic(
+    clock_div : natural := 8; --clock to spi_clock division factor; must be >= 4; also must be even for even duty cycle out
+    pre_delay : natural := 5; --number of input clock cycles between asserting CS and first SCK cycle; must be >= 1
+    post_delay : natural := 5 --number of input clock cycle between last SCK cycle and deasserting CS; must be >= 1
+  );
+  port(
+    clock : in std_logic; --clock for FPGA side interface; divided by at least two for SPI
+    reset : in std_logic; --active high sync reset
+    enable : in std_logic; --active high enable
+    --Command interface
+    data_rden : out std_logic; --this is asserted one cycle before data_in is read
+    data_in : in std_logic_vector(7 downto 0);
+
+    data_wren : out std_logic; --this is asserted when data_out is new and valid
+    data_out : out std_logic_vector(7 downto 0);
+    --Handshaking
+    start_xfer : in std_logic; --assert for one clock cycle to start a transfer
+    end_xfer : in std_logic; --assert this when requested instead of setting data_in to end transfer
+    ready : out std_logic; --asserted while no transfer running i.e. transfer completed
+
+    --SPI port
+    spi_clock : out std_logic;
+    spi_cs_n : out std_logic;
+    spi_mosi : out std_logic;
+    spi_miso : in std_logic);
+end ad9361_spi_if;
+
+architecture Behavioral of ad9361_spi_if is
+
+  function max(a, b: natural) return natural is
+  begin
+    if a > b then return a;
+             else return b;
+    end if;
+  end max;
+
+  signal time_in_sck : natural range 0 to clock_div - 1 := 0;
+  constant half_period : natural := clock_div / 2;
+  constant sck_end : natural := clock_div - 1;
+  signal sck_pre : std_logic;
+  signal current_state : natural range 0 to 3 := 0;
+
+  signal delay_counter : natural range 0 to max(pre_delay, post_delay) - 1 := 0;
+  signal bit_counter : natural range 0 to 7;
+
+  signal output_shiftreg : std_logic_vector(7 downto 0);
+  signal input_shiftreg : std_logic_vector(7 downto 0);
+
+begin
+
+
+  --Control state machine
+  process(clock)
+  begin
+    if rising_edge(clock) then
+      if reset = '1' then
+        current_state <= 0;
+        delay_counter <= 0;
+      elsif enable = '1' then
+        case current_state is
+          when 0 => --wait for start
+            if start_xfer = '1' then --setup at start of transfer
+              current_state <= 1;
+              delay_counter <= 0;
+            end if;
+          when 1 => --assert CS; pre-data delay
+            if delay_counter >= pre_delay - 1 then
+              delay_counter <= 0;
+              current_state <= 2;
+            else
+              delay_counter <= delay_counter + 1;
+            end if;
+          when 2 => --actual SPI transfer
+            if bit_counter = 7 and time_in_sck = 0 and end_xfer = '1' then
+              current_state <= 3;
+            end if;
+          when 3 => --end of transfer
+            if delay_counter >= post_delay - 1 then
+              delay_counter <= 0;
+              current_state <= 0;
+            else
+              delay_counter <= delay_counter + 1;
+            end if;
+          when others =>
+            current_state <= 0;
+        end case;
+      end if;
+    end if;
+  end process;
+
+  --Counters
+  process(clock)
+  begin
+    if rising_edge(clock) then
+      if reset = '1' then
+        time_in_sck <= 0;
+        bit_counter <= 7;
+      elsif enable = '1' then
+        if current_state = 2 then
+          if time_in_sck = sck_end then
+            time_in_sck <= 0;
+            if bit_counter = 0 then
+              bit_counter <= 7;
+            else
+              bit_counter <= bit_counter - 1;
+            end if;
+          else
+            time_in_sck <= time_in_sck + 1;
+          end if;
+        else
+          time_in_sck <= 0;
+          bit_counter <= 7;
+        end if;
+      end if;
+    end if;
+  end process;
+
+  --Shift registers
+  process(clock)
+  begin
+    if rising_edge(clock) then
+      if reset = '1' then
+        input_shiftreg <= (others => '0');
+        output_shiftreg <= (others => '0');
+        spi_clock <= '0';
+      elsif enable = '1' then
+        if current_state = 2 then
+          if not (bit_counter = 7 and time_in_sck = 0 and end_xfer = '1') then
+            spi_clock <= sck_pre;
+          end if;
+          if time_in_sck = sck_end then
+            output_shiftreg(7 downto 1) <= output_shiftreg(6 downto 0);
+            output_shiftreg(0) <= '0';
+          elsif time_in_sck = 0 and bit_counter = 7 then
+            output_shiftreg <= data_in;
+          end if;
+
+          if bit_counter <= 7 and time_in_sck = half_period then
+            input_shiftreg(7 downto 1) <= input_shiftreg(6 downto 0);
+            input_shiftreg(0) <= spi_miso;
+          end if;
+        else
+          spi_clock <= '0';
+        end if;
+      end if;
+    end if;
+  end process;
+
+  ready <= '1' when current_state = 0 else '0';
+  spi_cs_n <= '1' when current_state = 0 else '0';
+  spi_mosi <= output_shiftreg(7) when current_state = 2 else '0';
+  sck_pre <= '1' when (current_state = 2) and (time_in_sck < half_period) else '0';
+
+  data_rden <= '1' when (current_state = 1 and delay_counter = pre_delay - 1) or
+                        (current_state = 2 and time_in_sck = sck_end and bit_counter = 0)
+                   else '0';
+
+  data_out <= input_shiftreg;
+  data_wren <= '1' when bit_counter = 0 and time_in_sck = sck_end else '0';
+end architecture;

fpga/pc/ft60x_fifo_if.vhd

@@ -0,0 +1,155 @@
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.NUMERIC_STD.ALL;
+
+library UNISIM;
+use UNISIM.VComponents.all;
+
+--FT60x 245-style FIFO interface
+--Copyright (C) 2016 David Shah
+--Licensed under the MIT License
+
+entity ft60x_fifo_if is
+  port(
+    reset : in std_logic; --Active high, async
+    enable : in std_logic; --Active high
+
+    ftdi_clock : in std_logic;
+    ftdi_txe_n : in std_logic;
+    ftdi_rxf_n : in std_logic;
+    ftdi_oe_n : out std_logic;
+    ftdi_wr_n : out std_logic;
+    ftdi_rd_n : out std_logic;
+    ftdi_be : inout std_logic_vector(3 downto 0);
+    ftdi_data : inout std_logic_vector(31 downto 0);
+
+    --Buffered FTDI clock out to drive FIFOs, etc
+    clock_out : out std_logic;
+
+    --Command FIFO write port
+    command_fifo_d : out std_logic_vector(31 downto 0);
+    command_fifo_wren : out std_logic;
+    command_fifo_prog_full : in std_logic; --asserted when less than full command's space in the FIFO
+
+    --Response FIFO read port
+    resp_fifo_q : in std_logic_vector(31 downto 0);
+    resp_fifo_rden : out std_logic;
+    resp_fifo_prog_empty : in std_logic; --asserted when response FIFO contains less than a full response
+
+    --Receive data FIFO read port
+    rx_fifo_q : in std_logic_vector(31 downto 0);
+    rx_fifo_rden : out std_logic;
+    rx_fifo_prog_empty : in std_logic; --asserted when rx data FIFO contains less than a full RX packet
+
+    --Misc signals
+    streaming_mode : in std_logic --asserted when in streaming mode (i.e. pulling data from RX FIFO)
+  );
+end ft60x_fifo_if;
+
+architecture Behavioral of ft60x_fifo_if is
+
+  function max(a, b: natural) return natural is
+  begin
+    if a > b then return a;
+             else return b;
+    end if;
+  end max;
+
+  constant command_len : natural := 32/4;
+  constant response_len : natural := 32/4;
+  constant rx_packet_len : natural := 4096/4;
+
+  signal clock_buf : std_logic; --FTDI clock after input buffer
+
+  signal current_state : natural range 0 to 7 := 0;
+  signal word_count : natural range 0 to max(rx_packet_len, max(response_len, command_len)) := 0;
+
+  signal streaming_mode_lat : std_logic;
+begin
+  clkbuf : IBUFG
+    generic map(
+      IBUF_LOW_PWR => FALSE,
+      IOSTANDARD => "DEFAULT")
+    port map(
+      O => clock_buf,
+      I => ftdi_clock);
+
+  clock_out <= clock_buf;
+
+  process(clock_buf, reset)
+  begin
+    if reset = '1' then
+      current_state <= 0;
+    elsif rising_edge(clock_buf) then
+      if enable = '1' then
+        case current_state is
+          when 0 => --waiting for event
+            if ftdi_rxf_n = '0' then
+              current_state <= 1;
+            elsif ftdi_txe_n = '0' and resp_fifo_prog_empty = '0' and streaming_mode = '0' then
+              current_state <= 4;
+            elsif ftdi_txe_n = '0' and rx_fifo_prog_empty = '0' and streaming_mode = '1' then
+              current_state <= 6;
+            end if;
+          when 1 => --read out command start
+            current_state <= 2;
+          when 2 => --read out command start 2
+            current_state <= 3;
+          when 3 => --read out command
+            if word_count = command_len - 1 then
+              current_state <= 0;
+            end if;
+          when 4 => --write response start
+            current_state <= 5;
+          when 5 => --write response
+            if word_count = response_len - 1 then
+              current_state <= 0;
+            end if;
+          when 6 => --write rx data start
+            current_state <= 7;
+          when 7 => --write rx data
+            if word_count = rx_packet_len - 1 then
+              current_state <= 0;
+            end if;
+          when others =>
+            current_state <= 0;
+        end case;
+      end if;
+    end if;
+  end process;
+
+
+  ftdi_wr_n <= '0' when (current_state = 5) or (current_state = 7) else '1';
+  ftdi_rd_n <= '0' when (current_state = 2) or (current_state = 3) else '1';
+  ftdi_oe_n <= '0' when (current_state = 1) or (current_state = 2) or (current_state = 3) else '1';
+
+  command_fifo_wren <= '1' when ((current_state = 2) or (current_state = 3)) and (ftdi_be = "1111")  and (ftdi_rxf_n = '0') else '0';
+  resp_fifo_rden <= '1' when (current_state = 4) or ((current_state = 5) and (word_count < (response_len - 1))) else '0';
+  rx_fifo_rden <= '1' when (current_state = 6) or ((current_state = 7) and (word_count < (rx_packet_len - 1))) else '0';
+
+  command_fifo_d <= ftdi_data when (current_state = 2) or (current_state = 3) else (others => '0');
+
+  ftdi_data <= resp_fifo_q when current_state = 5 else
+               rx_fifo_q when current_state = 7 else
+               (others => 'Z');
+
+  ftdi_be <= "1111" when (current_state = 5) or (current_state = 7) else "ZZZZ";
+
+  process(clock_buf, reset)
+  begin
+    if reset = '1' then
+      word_count <= 0;
+      streaming_mode_lat <= '0';
+    elsif rising_edge(clock_buf) then
+      if enable = '1' then
+        streaming_mode_lat <= streaming_mode;
+        if current_state = 0 then
+          word_count <= 0;
+        elsif (current_state = 3) or (current_state = 5) or (current_state = 7) then
+          word_count <= word_count + 1;
+        end if;
+      end if;
+    end if;
+  end process;
+
+end Behavioral;

fpga/pc/pc_control_handler.vhd

@@ -0,0 +1,274 @@
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.NUMERIC_STD.ALL;
+
+--PC control interface handler
+--Copyright (C) 2016 David Shah
+--Licensed under the MIT License
+
+--This interfaces using small FIFOs (mostly for clock domain crossing)
+--with the FTDI side USB interface
+
+--It parses the simple command protocol; handling switches between control
+--and IQ streaming mode; and controls the SPI interface based on received commands
+
+--Protocol information
+--Command format -- from PC to SDR
+--All commands are 32 bytes long for simplicity
+--Start: 4-byte magic header ASCII "CMND"
+--Followed by 1-byte command type
+--Followed by 27 bytes of payload, with 0x00 for padding at end if needed
+
+--Response format -- from SDR to PC
+--Also always 32 bytes long
+--Start: 4-byte magic "RESP"
+--Followed by 1-byte command type, same as in command
+--Followed by 27 bytes of payload
+
+--Supported commands:
+
+entity pc_control_handler is
+  port(
+    clock : in std_logic; --clock for all interfaces (sourced from FPGA oscillator)
+    enable : in std_logic; --clock enable
+    reset : in std_logic; --active high synchronous reset
+
+    --USB command FIFO
+    cmd_fifo_q : in std_logic_vector(7 downto 0);
+    cmd_fifo_rden : out std_logic;
+    cmd_fifo_empty : in std_logic;
+    cmd_fifo_prog_empty : in std_logic; --asserted when less than a full command in the fifo
+
+    --USB command response FIFO
+    resp_fifo_d : out std_logic_vector(7 downto 0);
+    resp_fifo_wren : out std_logic;
+
+    --SPI controller interface
+    spi_rden : in std_logic;
+    spi_din : out std_logic_vector(7 downto 0);
+    spi_wren : in std_logic;
+    spi_q : in std_logic_vector(7 downto 0);
+    spi_start_xfer : out std_logic;
+    spi_end_xfer : out std_logic;
+    spi_done : in std_logic;
+    --Control outputs
+    streaming_mode : out std_logic; --Asserted when in streaming mode
+    control_signals : out std_logic_vector(7 downto 0) --General purpose control outputs
+  );
+end pc_control_handler;
+
+architecture Behavioral of pc_control_handler is
+
+  --Command and response header "magic bytes"
+  type magic_t is array(0 to 3) of std_logic_vector(7 downto 0);
+  constant command_magic : magic_t := (x"43", x"4d", x"4e", x"44");
+  constant response_magic : magic_t := (x"52", x"45", x"53", x"50");
+
+  --Command types
+  subtype cmd_t is std_logic_vector(7 downto 0);
+
+  --SPI transfer: followed by 1-byte length and up to 26-bytes data
+  --Response payload lines up with command payload; first two SPI data bytes are echoed back and remainder are SPI read data
+  constant cmd_spi_transfer : cmd_t := x"10";
+
+  --Set control signals: followed by 1-byte to set control outputs to; remainder padding
+  constant cmd_set_ctrl_sig : cmd_t := x"20";
+
+  --Enter streaming mode: this does not produce a response as the SDR to PC stream is immediately switched to IQ mode
+  constant cmd_enter_stream_mode : cmd_t := x"30";
+
+  --Leave streaming mode
+  constant cmd_leave_stream_mode : cmd_t := x"31";
+
+  constant command_length : natural := 32;
+  constant response_length : natural := 32;
+
+  signal command_bytes_read : natural range 0 to command_length := 0;
+  signal response_bytes_written : natural range 0 to response_length := 0;
+
+  signal spi_bytes_transferred : natural range 0 to 26 := 0;
+  signal spi_transfer_len : natural range 0 to 26 := 0;
+
+  signal streaming_mode_reg : std_logic := '0';
+  signal control_signals_reg : std_logic_vector(7 downto 0) := x"00";
+
+  signal current_state : natural range 0 to 15;
+
+  signal current_command : std_logic_vector(7 downto 0);
+
+  signal cmd_rden_int, resp_wren_int : std_logic;
+  signal spi_cmd_rden_int, spi_resp_wren_int : std_logic;
+  signal spi_resp_d : std_logic_vector(7 downto 0);
+
+  signal spi_rden_last : std_logic := '0';
+begin
+
+  --Main state machine
+  process(clock)
+  begin
+    if rising_edge(clock) then
+      if reset = '1' then
+        current_state <= 0;
+        streaming_mode_reg <= '0';
+        control_signals_reg <= x"00";
+      elsif enable = '1' then
+        case current_state is
+          when 0 => --waiting for start
+            if cmd_fifo_prog_empty = '0' then
+              current_state <= 1;
+            end if;
+
+          when 1 => --checking for command header magic
+            if command_bytes_read >= 1 then
+              if cmd_fifo_q /= command_magic(command_bytes_read - 1) then --header magic mismatch
+                current_state <= 15;
+              elsif command_bytes_read = 4 then --all 4 magics match
+                current_state <= 2;
+              end if;
+            end if;
+
+          when 2 => --read command type
+            current_command <= cmd_fifo_q;
+            if cmd_fifo_q = cmd_enter_stream_mode then --this command has no response
+              current_state <= 4;
+            else
+              current_state <= 3;
+            end if;
+
+          when 3 => --write out response start
+            if response_bytes_written = 4 then
+              current_state <= 4;
+            end if;
+          when 4 => --read first payload byte
+            current_state <= 5;
+          when 5 => --process command
+            case current_command is
+              when cmd_spi_transfer =>
+                spi_transfer_len <= to_integer(unsigned(cmd_fifo_q));
+                current_state <= 6;
+              when cmd_enter_stream_mode =>
+                streaming_mode_reg <= '1';
+                current_state <= 13;
+              when cmd_leave_stream_mode =>
+                streaming_mode_reg <= '0';
+                current_state <= 13;
+              when cmd_set_ctrl_sig =>
+                control_signals_reg <= cmd_fifo_q;
+                current_state <= 13;
+              when others => --unknown/unsupported command: end without error for now
+                current_state <= 13;
+            end case;
+
+          when 6 => --SPI transfer start
+            current_state <= 7;
+          when 7 => --SPI transfer in progress
+            if spi_done = '1' then
+              current_state <= 13;
+            end if;
+
+          when 13 => --end of command: read out any remaining payload bytes
+            if command_bytes_read >= command_length then
+              if current_command = cmd_enter_stream_mode then
+                current_state <= 0;
+              else
+                current_state <= 14;
+              end if;
+            end if;
+          when 14 => --end of command: pad response with zeros
+            if response_bytes_written >= response_length then
+              current_state <= 0;
+            end if;
+          when 15 => --'drain' command FIFO in case of a header error
+            if cmd_fifo_empty = '1' then
+              current_state <= 0;
+            end if;
+
+          when others =>
+            current_state <= 0;
+        end case;
+      end if;
+    end if;
+  end process;
+
+  --Command and response length counters
+  process(clock)
+  begin
+    if rising_edge(clock) then
+      if reset = '1' then
+        command_bytes_read <= 0;
+        response_bytes_written <= 0;
+      elsif enable = '1' then
+        if current_state = 0 then
+          command_bytes_read <= 0;
+          response_bytes_written <= 0;
+        else
+          if cmd_rden_int = '1' then
+            if command_bytes_read < command_length then
+              command_bytes_read <= command_bytes_read + 1;
+            end if;
+          end if;
+
+          if resp_wren_int = '1' then
+            if response_bytes_written < response_length then
+              response_bytes_written <= response_bytes_written + 1;
+            end if;
+          end if;
+        end if;
+      end if;
+    end if;
+  end process;
+
+  cmd_rden_int <= '1' when (current_state = 1) or (current_state = 4) or
+                           ((current_state = 13) and (command_bytes_read < command_length)) or
+                           ((current_state = 15) and (cmd_fifo_empty = '0')) or
+                           (((current_state = 6) or (current_state = 7)) and spi_cmd_rden_int = '1')
+                            else '0';
+
+  resp_wren_int <= '1' when (current_state = 3) or ((current_command /= cmd_enter_stream_mode)
+                            and ((current_state = 5) or ((current_state = 7) and (spi_resp_wren_int = '1'))
+                            or ((current_state = 14) and (response_bytes_written < response_length)))) else '0';
+
+  resp_fifo_d <= response_magic(response_bytes_written) when ((current_state = 3) and (response_bytes_written < 4)) else
+                 current_command when ((current_state = 3) and (response_bytes_written = 4)) else
+                 cmd_fifo_q when (current_state = 5) else
+                 spi_resp_d when (current_state = 7) else
+                 x"00";
+
+  spi_cmd_rden_int <= spi_rden;
+  spi_din <= cmd_fifo_q;
+  spi_start_xfer <= '1' when (current_state = 6) else '0';
+
+  cmd_fifo_rden <= cmd_rden_int;
+  resp_fifo_wren <= resp_wren_int;
+
+  --Echo back header for first two bytes; then return SPI transfer result for subsequent bytes
+  spi_resp_wren_int <= '1' when ((spi_bytes_transferred < 2) and (spi_rden_last = '1')) or
+                                ((spi_bytes_transferred >= 2) and (spi_wren = '1')) else '0';
+  spi_resp_d <= cmd_fifo_q when spi_bytes_transferred < 2 else spi_q;
+
+  spi_end_xfer <= '1' when spi_bytes_transferred >= spi_transfer_len else '0';
+
+  process(clock)
+  begin
+    if rising_edge(clock) then
+      if reset = '1' then
+        spi_bytes_transferred <= 0;
+        spi_rden_last <= '0';
+      elsif enable = '1' then
+        spi_rden_last <= spi_rden;
+        if current_state = 7 then
+          if spi_wren = '1' then
+            spi_bytes_transferred <= spi_bytes_transferred + 1;
+          end if;
+        else
+          spi_bytes_transferred <= 0;
+        end if;
+      end if;
+    end if;
+  end process;
+
+
+  streaming_mode <= streaming_mode_reg;
+  control_signals <= control_signals_reg;
+  --TODO: assign control signals based on current state
+end Behavioral;

fpga/pc/rx_packet_gen.vhd

@@ -0,0 +1,53 @@
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.NUMERIC_STD.ALL;
+
+--RX I/Q data packetiser
+--Copyright (C) 2016 David Shah
+--Licensed under the MIT License
+
+entity rx_packet_gen is
+  port(
+    clock : in std_logic;
+    enable : in std_logic;
+    reset : in std_logic;
+
+    --IQ samples FIFO interface
+    iq_fifo_q : in std_logic_vector(23 downto 0);
+    iq_fifo_empty : in std_logic;
+    iq_fifo_rden : out std_logic;
+
+    --Rx packet FIFO interface
+    packet_fifo_d : out std_logic_vector(31 downto 0);
+    packet_fifo_wren : out std_logic;
+    packet_fifo_full : in std_logic;
+
+    --System signals
+    streaming_mode : in std_logic
+  );
+end rx_packet_gen;
+
+architecture Behavioral of rx_packet_gen is
+  constant packet_len : natural := 256; --packet length in words
+  constant samples_per_packet : natural := 255;  --number of samples in each packet
+
+  constant rx_packet_magic : std_logic_vector(31 downto 0) := x"51495852"; --"RXIQ" (little endian) in ASCII
+
+  signal packet_word_count : natural range 0 to packet_len - 1 := 0;
+  signal in_packet : std_logic := '0';
+  signal fifo_empty_last : std_logic;
+begin
+  iq_fifo_rden <= not iq_fifo_empty;
+
+  packet_fifo_wren <= (not fifo_empty_last) and (not packet_fifo_full);
+  --Use a simple encoding that ensures alignment can always be determined
+  --This is not very efficient and a packet based approach with a header would be much better
+  packet_fifo_d <= "11" & iq_fifo_q(23 downto 18) & "10" & iq_fifo_q(17 downto 12) & "01" & iq_fifo_q(11 downto 6) & "00" & iq_fifo_q(5 downto 0);
+  process(clock)
+  begin
+    if rising_edge(clock) then
+      fifo_empty_last <= iq_fifo_empty;
+    end if;
+  end process;
+
+end Behavioral;

fpga/projects/.gitignore

@@ -0,0 +1,86 @@
+#########################################################################################################
+##	This is an example .gitignore file for Vivado, please treat it as an example as
+##	it might not be complete. In addition, XAPP 1165 should be followed.
+#########################################################################################################
+#########
+#Exclude all
+#########
+*
+!*/
+!.gitignore
+###########################################################################
+##	VIVADO
+###########################################################################
+#########
+#Source files:
+#########
+#Do NOT ignore VHDL, Verilog, block diagrams or EDIF files.
+!*.vhd
+!*.v
+!*.bd
+!*.edif
+#########
+#IP files
+#########
+#.xci: synthesis and implemented not possible - you need to return back to the previous version to generate output products
+#.xci + .dcp: implementation possible but not re-synthesis
+#*.xci(www.spiritconsortium.org)
+!*.xci
+*.dcp(checkpoint files)
+#!*.dcp
+*.vds
+*.pb
+#All bd comments and layout coordinates are stored within .ui
+!*.ui
+!*.ooc
+#########
+#System Generator
+#########
+!*.mdl
+!*.slx
+!*.bxml
+#########
+#Simulation logic analyzer
+#########
+!*.wcfg
+!*.coe
+#########
+#MIG
+#########
+!*.prj
+!*.mem
+#########
+#Project files
+#########
+#XPR  +  *.XML ? XPR (Files are merged into a single XPR file for 2014.1 version)
+#Do NOT ignore *.xpr files
+!*.xpr
+#Include *.xml files for 2013.4 or earlier version
+*.xml
+#########
+#Constraint files
+#########
+#Do NOT ignore *.xdc files
+!*.xdc
+#########
+#TCL - files
+#########
+!*.tcl
+#########
+#Journal - files
+#########
+*.jou
+#########
+#Reports
+#########
+*.rpt
+*.txt
+*.vdi
+#########
+#C-files
+#########
+!*.c
+!*.h
+!*.elf
+!*.bmm
+!*.xmp

fpga/projects/rx_only/rx_only.cache/ip/043fb53c8cc99b74/043fb53c8cc99b74.xci

@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<spirit:design xmlns:xilinx="http://www.xilinx.com" xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>043fb53c8cc99b74</spirit:name>
+  <spirit:version>0</spirit:version>
+  <spirit:componentInstances>
+    <spirit:componentInstance>
+      <spirit:instanceName>response_fifo</spirit:instanceName>
+      <spirit:componentRef spirit:vendor="xilinx.com" spirit:library="ip" spirit:name="fifo_generator" spirit:version="13.1"/>
+      <spirit:configurableElementValues>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ADDRESS_WIDTH">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ARUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.AWUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Add_NGC_Constraint_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Empty_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Full_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.BUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_SELECT_XPM">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Enable_Type">Slave_Interface_Clock_Enable</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Type_AXI">Common_Clock</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Component_Name">response_fifo</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DATA_WIDTH">64</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count_Width">10</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Dout_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value">7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_axis">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wrch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Negate_Value">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Overflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Underflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_Type">Hard_ECC</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Reset_Synchronization">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Safety_Circuit">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TLAST">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TREADY">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_axis">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wrch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_axis">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wrch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Fifo_Implementation">Independent_Clocks_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Flags_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value">1021</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_axis">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wrch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Negate_Value">1020</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_ACLKEN">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TKEEP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TSTRB">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INTERFACE_TYPE">Native</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wach">false</spirit:configurableElementValue>
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+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rdch">false</spirit:configurableElementValue>
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+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wrch">false</spirit:configurableElementValue>
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+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_axis">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wrch">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Master_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Depth">256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Register_Type">Embedded_Reg</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PROTOCOL">AXI4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Performance_Options">Standard_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type">Single_Programmable_Empty_Threshold_Constant</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_axis">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
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+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wrch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_axis">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wrch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.READ_WRITE_MODE">READ_WRITE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count_Width">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_axis">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wrch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Pin">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Type">Asynchronous_Reset</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Slave_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDATA_NUM_BYTES">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDEST_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TKEEP_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TSTRB_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TUSER_WIDTH">4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Dout_Reset">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Extra_Logic">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.WUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count_Width">10</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.asymmetric_port_width">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.axis_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.dynamic_power_saving">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ecc_pipeline_reg">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_low_latency">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_read_pointer_increment_by2">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages_axi">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.use_dout_register">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wrch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.ARCHITECTURE">artix7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.DEVICE">xc7a50t</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PACKAGE">ftg256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PREFHDL">VHDL</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SIMULATOR_LANGUAGE">MIXED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SPEEDGRADE">-2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_CUSTOMIZATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_GENERATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHECRC">f9fab666</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHEID">043fb53c8cc99b74</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCONTEXT">IP_Unknown</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPREVISION">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.MANAGED">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SWVERSION">2016.3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SYNTHESISFLOW">GLOBAL</spirit:configurableElementValue>
+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/043fb53c8cc99b74/response_fifo_stub.v

@@ -0,0 +1,29 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 12:30:58 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ response_fifo_stub.v
+// Design      : response_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[7:0],wr_en,rd_en,dout[31:0],full,empty,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [7:0]din;
+  input wr_en;
+  input rd_en;
+  output [31:0]dout;
+  output full;
+  output empty;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/225a4030204010f4/ila_0_stub.v

@@ -0,0 +1,23 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 19 16:01:50 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ ila_0_stub.v
+// Design      : ila_0
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "ila,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(clk, probe0, probe1, probe2)
+/* synthesis syn_black_box black_box_pad_pin="clk,probe0[7:0],probe1[7:0],probe2[7:0]" */;
+  input clk;
+  input [7:0]probe0;
+  input [7:0]probe1;
+  input [7:0]probe2;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/29dd39eeaa744dd9/ila_1_stub.v

@@ -0,0 +1,24 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 19 18:03:03 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ ila_1_stub.v
+// Design      : ila_1
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "ila,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(clk, probe0, probe1, probe2, probe3)
+/* synthesis syn_black_box black_box_pad_pin="clk,probe0[0:0],probe1[0:0],probe2[0:0],probe3[0:0]" */;
+  input clk;
+  input [0:0]probe0;
+  input [0:0]probe1;
+  input [0:0]probe2;
+  input [0:0]probe3;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/46d2ae1e7e6145d3/46d2ae1e7e6145d3.xci

@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<spirit:design xmlns:xilinx="http://www.xilinx.com" xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>46d2ae1e7e6145d3</spirit:name>
+  <spirit:version>0</spirit:version>
+  <spirit:componentInstances>
+    <spirit:componentInstance>
+      <spirit:instanceName>rx_packet_fifo</spirit:instanceName>
+      <spirit:componentRef spirit:vendor="xilinx.com" spirit:library="ip" spirit:name="fifo_generator" spirit:version="13.1"/>
+      <spirit:configurableElementValues>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ADDRESS_WIDTH">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ARUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.AWUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Add_NGC_Constraint_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Empty_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Full_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.BUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_SELECT_XPM">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Enable_Type">Slave_Interface_Clock_Enable</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Type_AXI">Common_Clock</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Component_Name">rx_packet_fifo</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DATA_WIDTH">64</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count_Width">13</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Dout_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_axis">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wrch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Negate_Value">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Overflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Underflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_Type">Hard_ECC</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Reset_Synchronization">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Safety_Circuit">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TLAST">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TREADY">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_axis">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wrch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_axis">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wrch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Fifo_Implementation">Independent_Clocks_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Flags_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value">8189</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_axis">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wrch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Negate_Value">8188</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_ACLKEN">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TKEEP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TSTRB">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INTERFACE_TYPE">Native</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth">8192</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_axis">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wrch">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Master_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Depth">8192</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Register_Type">Embedded_Reg</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PROTOCOL">AXI4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Performance_Options">Standard_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type">Single_Programmable_Empty_Threshold_Constant</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_axis">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wrch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_axis">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wrch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.READ_WRITE_MODE">READ_WRITE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count_Width">13</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_axis">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wrch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Pin">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Type">Asynchronous_Reset</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Slave_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDATA_NUM_BYTES">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDEST_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TKEEP_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TSTRB_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TUSER_WIDTH">4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Dout_Reset">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Extra_Logic">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.WUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count_Width">13</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.asymmetric_port_width">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.axis_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.dynamic_power_saving">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ecc_pipeline_reg">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_low_latency">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_read_pointer_increment_by2">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages_axi">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.use_dout_register">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wrch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.ARCHITECTURE">artix7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.DEVICE">xc7a50t</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PACKAGE">ftg256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PREFHDL">VHDL</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SIMULATOR_LANGUAGE">MIXED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SPEEDGRADE">-2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_CUSTOMIZATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_GENERATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHECRC">f9fab666</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHEID">46d2ae1e7e6145d3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCONTEXT">IP_Unknown</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPREVISION">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.MANAGED">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SWVERSION">2016.3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SYNTHESISFLOW">GLOBAL</spirit:configurableElementValue>
+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/46d2ae1e7e6145d3/rx_packet_fifo_stub.v

@@ -0,0 +1,29 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Jan 16 15:31:49 2017
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ rx_packet_fifo_stub.v
+// Design      : rx_packet_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[31:0],wr_en,rd_en,dout[31:0],full,empty,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [31:0]din;
+  input wr_en;
+  input rd_en;
+  output [31:0]dout;
+  output full;
+  output empty;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/52973adb28e86535/52973adb28e86535.xci

@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<spirit:design xmlns:xilinx="http://www.xilinx.com" xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>52973adb28e86535</spirit:name>
+  <spirit:version>0</spirit:version>
+  <spirit:componentInstances>
+    <spirit:componentInstance>
+      <spirit:instanceName>rx_packet_fifo</spirit:instanceName>
+      <spirit:componentRef spirit:vendor="xilinx.com" spirit:library="ip" spirit:name="fifo_generator" spirit:version="13.1"/>
+      <spirit:configurableElementValues>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ADDRESS_WIDTH">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ARUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.AWUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Add_NGC_Constraint_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Empty_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Full_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.BUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_SELECT_XPM">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Enable_Type">Slave_Interface_Clock_Enable</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Type_AXI">Common_Clock</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Component_Name">rx_packet_fifo</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DATA_WIDTH">64</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count_Width">12</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Dout_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_axis">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wrch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Negate_Value">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Overflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Underflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_Type">Hard_ECC</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Reset_Synchronization">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Safety_Circuit">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TLAST">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TREADY">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_axis">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wrch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_axis">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wrch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Fifo_Implementation">Independent_Clocks_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Flags_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value">4093</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_axis">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wrch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Negate_Value">4092</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_ACLKEN">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TKEEP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TSTRB">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INTERFACE_TYPE">Native</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth">4096</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_axis">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wrch">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Master_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Depth">4096</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Register_Type">Embedded_Reg</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PROTOCOL">AXI4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Performance_Options">Standard_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type">Single_Programmable_Empty_Threshold_Constant</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_axis">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wrch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_axis">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wrch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.READ_WRITE_MODE">READ_WRITE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count_Width">12</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_axis">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wrch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Pin">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Type">Asynchronous_Reset</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Slave_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDATA_NUM_BYTES">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDEST_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TKEEP_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TSTRB_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TUSER_WIDTH">4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Dout_Reset">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Extra_Logic">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.WUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count_Width">12</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.asymmetric_port_width">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.axis_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.dynamic_power_saving">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ecc_pipeline_reg">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_low_latency">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_read_pointer_increment_by2">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages_axi">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.use_dout_register">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wrch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.ARCHITECTURE">artix7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.DEVICE">xc7a50t</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PACKAGE">ftg256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PREFHDL">VHDL</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SIMULATOR_LANGUAGE">MIXED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SPEEDGRADE">-2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_CUSTOMIZATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_GENERATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHECRC">f9fab666</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHEID">52973adb28e86535</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCONTEXT">IP_Unknown</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPREVISION">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.MANAGED">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SWVERSION">2016.3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SYNTHESISFLOW">GLOBAL</spirit:configurableElementValue>
+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/52973adb28e86535/rx_packet_fifo_stub.v

@@ -0,0 +1,29 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 12:43:32 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ rx_packet_fifo_stub.v
+// Design      : rx_packet_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[31:0],wr_en,rd_en,dout[31:0],full,empty,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [31:0]din;
+  input wr_en;
+  input rd_en;
+  output [31:0]dout;
+  output full;
+  output empty;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/5366650f24d3a6e9/5366650f24d3a6e9.xci

@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<spirit:design xmlns:xilinx="http://www.xilinx.com" xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>5366650f24d3a6e9</spirit:name>
+  <spirit:version>0</spirit:version>
+  <spirit:componentInstances>
+    <spirit:componentInstance>
+      <spirit:instanceName>dbg_hub_CV</spirit:instanceName>
+      <spirit:componentRef spirit:vendor="xilinx.com" spirit:library="ip" spirit:name="xsdbm" spirit:version="2.0"/>
+      <spirit:configurableElementValues>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_BSCANID">76546592</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_BSCAN_MODE">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_BSCAN_MODE_WITH_CORE">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_BUILD_REVISION">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_CLKFBOUT_MULT_F">10.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_CLKOUT0_DIVIDE_F">10.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_CLK_INPUT_FREQ_HZ">300000000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_CORE_MAJOR_VER">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_CORE_MINOR_ALPHA_VER">97</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_CORE_MINOR_VER">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_CORE_TYPE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_DCLK_HAS_RESET">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_DIVCLK_DIVIDE">3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_ENABLE_CLK_DIVIDER">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_EN_INT_SIM">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_FIFO_STYLE">SUBCORE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_MAJOR_VERSION">14</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_MINOR_VERSION">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_NUM_BSCAN_MASTER_PORTS">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_TWO_PRIM_MODE">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_USER_SCAN_CHAIN">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_USER_SCAN_CHAIN1">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_USE_BUFR">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_USE_EXT_BSCAN">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_USE_STARTUP_CLK">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_XSDB_NUM_SLAVES">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_XSDB_PERIOD_FRC">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_XSDB_PERIOD_INT">10</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Component_Name">dbg_hub_CV</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.ARCHITECTURE">artix7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.DEVICE">xc7a50t</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PACKAGE">ftg256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PREFHDL">VERILOG</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SIMULATOR_LANGUAGE">MIXED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SPEEDGRADE">-2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_CUSTOMIZATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_GENERATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHECRC">a8a3fe0a</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHEID">5366650f24d3a6e9</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCONTEXT">IP_Unknown</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPREVISION">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.MANAGED">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SWVERSION">2016.3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SYNTHESISFLOW">GLOBAL</spirit:configurableElementValue>
+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/612e3d7e416621be/612e3d7e416621be.xci

@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<spirit:design xmlns:xilinx="http://www.xilinx.com" xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>612e3d7e416621be</spirit:name>
+  <spirit:version>0</spirit:version>
+  <spirit:componentInstances>
+    <spirit:componentInstance>
+      <spirit:instanceName>iq_sample_fifo</spirit:instanceName>
+      <spirit:componentRef spirit:vendor="xilinx.com" spirit:library="ip" spirit:name="fifo_generator" spirit:version="13.1"/>
+      <spirit:configurableElementValues>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ADDRESS_WIDTH">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ARUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.AWUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Add_NGC_Constraint_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Empty_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Full_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.BUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_SELECT_XPM">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Enable_Type">Slave_Interface_Clock_Enable</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Type_AXI">Common_Clock</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Component_Name">iq_sample_fifo</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DATA_WIDTH">64</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count_Width">10</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Dout_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_axis">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wrch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Negate_Value">3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Overflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Underflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_Type">Hard_ECC</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Reset_Synchronization">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Safety_Circuit">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TLAST">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TREADY">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_axis">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wrch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_axis">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wrch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Fifo_Implementation">Independent_Clocks_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Flags_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value">1021</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_axis">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wrch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Negate_Value">1020</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_ACLKEN">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TKEEP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TSTRB">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INTERFACE_TYPE">Native</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Data_Width">24</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_axis">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wrch">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Master_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Data_Width">24</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Depth">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Register_Type">Embedded_Reg</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PROTOCOL">AXI4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Performance_Options">Standard_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_axis">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wrch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_axis">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wrch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.READ_WRITE_MODE">READ_WRITE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count_Width">10</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_axis">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wrch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Pin">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Type">Asynchronous_Reset</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Slave_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDATA_NUM_BYTES">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDEST_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TKEEP_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TSTRB_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TUSER_WIDTH">4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Dout_Reset">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Extra_Logic">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.WUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count_Width">10</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.asymmetric_port_width">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.axis_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.dynamic_power_saving">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ecc_pipeline_reg">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_low_latency">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_read_pointer_increment_by2">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages_axi">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.use_dout_register">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wrch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.ARCHITECTURE">artix7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.DEVICE">xc7a50t</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PACKAGE">ftg256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PREFHDL">VHDL</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SIMULATOR_LANGUAGE">MIXED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SPEEDGRADE">-2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_CUSTOMIZATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_GENERATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHECRC">f9fab666</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHEID">612e3d7e416621be</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCONTEXT">IP_Unknown</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPREVISION">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.MANAGED">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SWVERSION">2016.3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SYNTHESISFLOW">GLOBAL</spirit:configurableElementValue>
+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/612e3d7e416621be/iq_sample_fifo_stub.v

@@ -0,0 +1,27 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 12:44:58 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ iq_sample_fifo_stub.v
+// Design      : iq_sample_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[23:0],wr_en,rd_en,dout[23:0],full,empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [23:0]din;
+  input wr_en;
+  input rd_en;
+  output [23:0]dout;
+  output full;
+  output empty;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/6d0cb003a7a0ca0e/6d0cb003a7a0ca0e.xci

@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<spirit:design xmlns:xilinx="http://www.xilinx.com" xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>6d0cb003a7a0ca0e</spirit:name>
+  <spirit:version>0</spirit:version>
+  <spirit:componentInstances>
+    <spirit:componentInstance>
+      <spirit:instanceName>command_fifo</spirit:instanceName>
+      <spirit:componentRef spirit:vendor="xilinx.com" spirit:library="ip" spirit:name="fifo_generator" spirit:version="13.1"/>
+      <spirit:configurableElementValues>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ADDRESS_WIDTH">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ARUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.AWUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Add_NGC_Constraint_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Empty_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Full_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.BUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_SELECT_XPM">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Enable_Type">Slave_Interface_Clock_Enable</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Type_AXI">Common_Clock</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Component_Name">command_fifo</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DATA_WIDTH">64</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count_Width">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Dout_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value">30</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_axis">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wrch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Negate_Value">31</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Overflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Underflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_Type">Hard_ECC</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Reset_Synchronization">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Safety_Circuit">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TLAST">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TREADY">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_axis">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wrch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_axis">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wrch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Fifo_Implementation">Independent_Clocks_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Flags_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value">247</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_axis">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wrch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Negate_Value">246</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_ACLKEN">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TKEEP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TSTRB">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INTERFACE_TYPE">Native</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth">256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_axis">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wrch">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Master_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Data_Width">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Depth">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Register_Type">Embedded_Reg</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PROTOCOL">AXI4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Performance_Options">Standard_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type">Single_Programmable_Empty_Threshold_Constant</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_axis">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wrch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type">Single_Programmable_Full_Threshold_Constant</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_axis">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wrch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.READ_WRITE_MODE">READ_WRITE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count_Width">10</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_axis">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wrch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Pin">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Type">Asynchronous_Reset</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Slave_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDATA_NUM_BYTES">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDEST_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TKEEP_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TSTRB_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TUSER_WIDTH">4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Dout_Reset">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Extra_Logic">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.WUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count_Width">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.asymmetric_port_width">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.axis_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.dynamic_power_saving">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ecc_pipeline_reg">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_low_latency">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_read_pointer_increment_by2">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages_axi">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.use_dout_register">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wrch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.ARCHITECTURE">artix7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.DEVICE">xc7a50t</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PACKAGE">ftg256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PREFHDL">VHDL</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SIMULATOR_LANGUAGE">MIXED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SPEEDGRADE">-2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_CUSTOMIZATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_GENERATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHECRC">f9fab666</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHEID">6d0cb003a7a0ca0e</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCONTEXT">IP_Unknown</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPREVISION">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.MANAGED">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SWVERSION">2016.3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SYNTHESISFLOW">GLOBAL</spirit:configurableElementValue>
+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/6d0cb003a7a0ca0e/command_fifo_stub.v

@@ -0,0 +1,30 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 13:39:07 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ command_fifo_stub.v
+// Design      : command_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_full, prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[31:0],wr_en,rd_en,dout[7:0],full,empty,prog_full,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [31:0]din;
+  input wr_en;
+  input rd_en;
+  output [7:0]dout;
+  output full;
+  output empty;
+  output prog_full;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/6e2df28cf963a946/ila_2_stub.v

@@ -0,0 +1,22 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Thu Dec 22 13:02:55 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ ila_2_stub.v
+// Design      : ila_2
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "ila,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(clk, probe0, probe1)
+/* synthesis syn_black_box black_box_pad_pin="clk,probe0[11:0],probe1[11:0]" */;
+  input clk;
+  input [11:0]probe0;
+  input [11:0]probe1;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/6fcbda557ae27ba3/6fcbda557ae27ba3.xci

@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<spirit:design xmlns:xilinx="http://www.xilinx.com" xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>6fcbda557ae27ba3</spirit:name>
+  <spirit:version>0</spirit:version>
+  <spirit:componentInstances>
+    <spirit:componentInstance>
+      <spirit:instanceName>command_fifo</spirit:instanceName>
+      <spirit:componentRef spirit:vendor="xilinx.com" spirit:library="ip" spirit:name="fifo_generator" spirit:version="13.1"/>
+      <spirit:configurableElementValues>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ADDRESS_WIDTH">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ARUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.AWUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Add_NGC_Constraint_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Empty_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Full_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.BUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_SELECT_XPM">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Enable_Type">Slave_Interface_Clock_Enable</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Type_AXI">Common_Clock</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Component_Name">command_fifo</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DATA_WIDTH">64</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count_Width">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Dout_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value">31</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_axis">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wrch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Negate_Value">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Overflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Underflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_Type">Hard_ECC</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Reset_Synchronization">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Safety_Circuit">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TLAST">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TREADY">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_axis">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wrch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_axis">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wrch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Fifo_Implementation">Independent_Clocks_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Flags_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value">247</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_axis">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wrch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Negate_Value">246</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_ACLKEN">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TKEEP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TSTRB">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INTERFACE_TYPE">Native</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth">256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_axis">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wrch">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Master_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Data_Width">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Depth">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Register_Type">Embedded_Reg</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PROTOCOL">AXI4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Performance_Options">Standard_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type">Single_Programmable_Empty_Threshold_Constant</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_axis">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wrch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type">Single_Programmable_Full_Threshold_Constant</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_axis">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wrch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.READ_WRITE_MODE">READ_WRITE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count_Width">10</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_axis">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wrch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Pin">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Type">Asynchronous_Reset</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Slave_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDATA_NUM_BYTES">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDEST_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TKEEP_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TSTRB_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TUSER_WIDTH">4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Dout_Reset">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Extra_Logic">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.WUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count_Width">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.asymmetric_port_width">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.axis_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.dynamic_power_saving">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ecc_pipeline_reg">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_low_latency">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_read_pointer_increment_by2">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages_axi">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.use_dout_register">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wrch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.ARCHITECTURE">artix7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.DEVICE">xc7a50t</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PACKAGE">ftg256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PREFHDL">VHDL</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SIMULATOR_LANGUAGE">MIXED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SPEEDGRADE">-2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_CUSTOMIZATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_GENERATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHECRC">f9fab666</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHEID">6fcbda557ae27ba3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCONTEXT">IP_Unknown</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPREVISION">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.MANAGED">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SWVERSION">2016.3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SYNTHESISFLOW">GLOBAL</spirit:configurableElementValue>
+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/6fcbda557ae27ba3/command_fifo_stub.v

@@ -0,0 +1,30 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 12:28:00 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ command_fifo_stub.v
+// Design      : command_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_full, prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[31:0],wr_en,rd_en,dout[7:0],full,empty,prog_full,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [31:0]din;
+  input wr_en;
+  input rd_en;
+  output [7:0]dout;
+  output full;
+  output empty;
+  output prog_full;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/c5446876eb706323/c5446876eb706323.xci

@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<spirit:design xmlns:xilinx="http://www.xilinx.com" xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>c5446876eb706323</spirit:name>
+  <spirit:version>0</spirit:version>
+  <spirit:componentInstances>
+    <spirit:componentInstance>
+      <spirit:instanceName>rx_packet_fifo</spirit:instanceName>
+      <spirit:componentRef spirit:vendor="xilinx.com" spirit:library="ip" spirit:name="fifo_generator" spirit:version="13.1"/>
+      <spirit:configurableElementValues>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ADDRESS_WIDTH">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ARUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.AWUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Add_NGC_Constraint_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Empty_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Almost_Full_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.BUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_SELECT_XPM">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Enable_Type">Slave_Interface_Clock_Enable</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Clock_Type_AXI">Common_Clock</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Component_Name">rx_packet_fifo</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DATA_WIDTH">64</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Data_Count_Width">12</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Disable_Timing_Violations_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Dout_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value">254</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_axis">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_rdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wach">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wdch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Assert_Value_wrch">1022</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Empty_Threshold_Negate_Value">255</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Overflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Common_Underflow">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Data_Counts_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_Type">Hard_ECC</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_ECC_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Reset_Synchronization">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_Safety_Circuit">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TLAST">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_TREADY">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_axis">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_rdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wach">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wdch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Application_Type_wrch">Data_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_axis">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wrch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Fifo_Implementation">Independent_Clocks_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Flags_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value">4093</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_axis">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wrch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Negate_Value">4092</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_ACLKEN">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TKEEP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TSTRB">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INTERFACE_TYPE">Native</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth">4096</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_axis">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wrch">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Master_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Depth">4096</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Register_Type">Embedded_Reg</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PROTOCOL">AXI4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Performance_Options">Standard_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type">Single_Programmable_Empty_Threshold_Constant</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_axis">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wrch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_axis">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wrch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.READ_WRITE_MODE">READ_WRITE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count_Width">12</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_axis">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wrch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Pin">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Type">Asynchronous_Reset</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Slave_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDATA_NUM_BYTES">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDEST_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TKEEP_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TSTRB_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TUSER_WIDTH">4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Dout_Reset">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Extra_Logic">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.WUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count_Width">12</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.asymmetric_port_width">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.axis_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.dynamic_power_saving">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ecc_pipeline_reg">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_low_latency">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_read_pointer_increment_by2">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages_axi">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.use_dout_register">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wrch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.ARCHITECTURE">artix7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.DEVICE">xc7a50t</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PACKAGE">ftg256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PREFHDL">VHDL</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SIMULATOR_LANGUAGE">MIXED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SPEEDGRADE">-2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_CUSTOMIZATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_GENERATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHECRC">f9fab666</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHEID">c5446876eb706323</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCONTEXT">IP_Unknown</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPREVISION">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.MANAGED">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SWVERSION">2016.3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SYNTHESISFLOW">GLOBAL</spirit:configurableElementValue>
+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/c5446876eb706323/rx_packet_fifo_stub.v

@@ -0,0 +1,29 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 13:39:56 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ rx_packet_fifo_stub.v
+// Design      : rx_packet_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[31:0],wr_en,rd_en,dout[31:0],full,empty,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [31:0]din;
+  input wr_en;
+  input rd_en;
+  output [31:0]dout;
+  output full;
+  output empty;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/d70cb10c33a74223/d70cb10c33a74223.xci

@@ -0,0 +1,292 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<spirit:design xmlns:xilinx="http://www.xilinx.com" xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>d70cb10c33a74223</spirit:name>
+  <spirit:version>0</spirit:version>
+  <spirit:componentInstances>
+    <spirit:componentInstance>
+      <spirit:instanceName>sys_pll</spirit:instanceName>
+      <spirit:componentRef spirit:vendor="xilinx.com" spirit:library="ip" spirit:name="clk_wiz" spirit:version="5.3"/>
+      <spirit:configurableElementValues>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.AUTO_PRIMITIVE">MMCM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.AXI_DRP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CALC_DONE">empty</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CDDCDONE_PORT">cddcdone</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CDDCREQ_PORT">cddcreq</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKFB_IN_N_PORT">clkfb_in_n</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKFB_IN_PORT">clkfb_in</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKFB_IN_P_PORT">clkfb_in_p</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKFB_IN_SIGNALING">SINGLE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKFB_OUT_N_PORT">clkfb_out_n</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKFB_OUT_PORT">clkfb_out</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKFB_OUT_P_PORT">clkfb_out_p</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKFB_STOPPED_PORT">clkfb_stopped</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKIN1_JITTER_PS">200.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKIN1_UI_JITTER">0.010</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKIN2_JITTER_PS">100.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKIN2_UI_JITTER">0.010</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT1_DRIVES">BUFG</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT1_JITTER">175.200</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT1_MATCHED_ROUTING">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT1_PHASE_ERROR">161.614</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT1_REQUESTED_DUTY_CYCLE">50.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT1_REQUESTED_OUT_FREQ">100.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT1_REQUESTED_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT1_SEQUENCE_NUMBER">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT1_USED">true</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT2_DRIVES">BUFG</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT2_JITTER">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT2_MATCHED_ROUTING">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT2_PHASE_ERROR">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT2_REQUESTED_DUTY_CYCLE">50.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT2_REQUESTED_OUT_FREQ">100.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT2_REQUESTED_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT2_SEQUENCE_NUMBER">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT2_USED">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT3_DRIVES">BUFG</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT3_JITTER">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT3_MATCHED_ROUTING">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT3_PHASE_ERROR">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT3_REQUESTED_DUTY_CYCLE">50.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT3_REQUESTED_OUT_FREQ">100.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT3_REQUESTED_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT3_SEQUENCE_NUMBER">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT3_USED">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT4_DRIVES">BUFG</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT4_JITTER">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT4_MATCHED_ROUTING">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT4_PHASE_ERROR">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT4_REQUESTED_DUTY_CYCLE">50.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT4_REQUESTED_OUT_FREQ">100.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT4_REQUESTED_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT4_SEQUENCE_NUMBER">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT4_USED">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT5_DRIVES">BUFG</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT5_JITTER">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT5_MATCHED_ROUTING">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT5_PHASE_ERROR">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT5_REQUESTED_DUTY_CYCLE">50.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT5_REQUESTED_OUT_FREQ">100.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT5_REQUESTED_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT5_SEQUENCE_NUMBER">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT5_USED">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT6_DRIVES">BUFG</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT6_JITTER">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT6_MATCHED_ROUTING">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT6_PHASE_ERROR">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT6_REQUESTED_DUTY_CYCLE">50.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT6_REQUESTED_OUT_FREQ">100.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT6_REQUESTED_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT6_SEQUENCE_NUMBER">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT6_USED">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT7_DRIVES">BUFG</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT7_JITTER">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT7_MATCHED_ROUTING">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT7_PHASE_ERROR">0.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT7_REQUESTED_DUTY_CYCLE">50.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT7_REQUESTED_OUT_FREQ">100.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT7_REQUESTED_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT7_SEQUENCE_NUMBER">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUT7_USED">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLKOUTPHY_REQUESTED_FREQ">600.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_IN1_BOARD_INTERFACE">Custom</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_IN2_BOARD_INTERFACE">Custom</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_IN_SEL_PORT">clk_in_sel</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT1_PORT">system_clock</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT1_USE_FINE_PS_GUI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT2_PORT">clk_out2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT2_USE_FINE_PS_GUI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT3_PORT">clk_out3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT3_USE_FINE_PS_GUI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT4_PORT">clk_out4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT4_USE_FINE_PS_GUI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT5_PORT">clk_out5</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT5_USE_FINE_PS_GUI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT6_PORT">clk_out6</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT6_USE_FINE_PS_GUI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT7_PORT">clk_out7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_OUT7_USE_FINE_PS_GUI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLK_VALID_PORT">CLK_VALID</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.CLOCK_MGR_TYPE">auto</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Component_Name">sys_pll</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DADDR_PORT">daddr</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DCLK_PORT">dclk</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DEN_PORT">den</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DIFF_CLK_IN1_BOARD_INTERFACE">Custom</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DIFF_CLK_IN2_BOARD_INTERFACE">Custom</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DIN_PORT">din</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DOUT_PORT">dout</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DRDY_PORT">drdy</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.DWE_PORT">dwe</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ENABLE_CDDC">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ENABLE_CLKOUTPHY">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ENABLE_CLOCK_MONITOR">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ENABLE_USER_CLOCK0">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ENABLE_USER_CLOCK1">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ENABLE_USER_CLOCK2">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ENABLE_USER_CLOCK3">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_PLL0">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Enable_PLL1">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FEEDBACK_SOURCE">FDBK_AUTO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INPUT_CLK_STOPPED_PORT">input_clk_stopped</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INPUT_MODE">frequency</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INTERFACE_SELECTION">Enable_AXI</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.IN_FREQ_UNITS">Units_MHz</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.IN_JITTER_UNITS">Units_UI</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.JITTER_OPTIONS">UI</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.JITTER_SEL">No_Jitter</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.LOCKED_PORT">locked</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_BANDWIDTH">OPTIMIZED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKFBOUT_MULT_F">18</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKFBOUT_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKFBOUT_USE_FINE_PS">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKIN1_PERIOD">20.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKIN2_PERIOD">10.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT0_DIVIDE_F">9</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT0_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT0_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT0_USE_FINE_PS">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT1_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT1_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT1_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT1_USE_FINE_PS">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT2_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT2_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT2_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT2_USE_FINE_PS">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT3_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT3_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT3_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT3_USE_FINE_PS">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT4_CASCADE">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT4_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT4_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT4_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT4_USE_FINE_PS">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT5_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT5_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT5_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT5_USE_FINE_PS">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT6_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT6_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT6_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLKOUT6_USE_FINE_PS">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_CLOCK_HOLD">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_COMPENSATION">ZHOLD</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_DIVCLK_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_NOTES">None</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_REF_JITTER1">0.010</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_REF_JITTER2">0.010</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.MMCM_STARTUP_WAIT">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.NUM_OUT_CLKS">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.OVERRIDE_MMCM">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.OVERRIDE_PLL">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PHASESHIFT_MODE">WAVEFORM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PHASE_DUTY_CONFIG">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLATFORM">UNKNOWN</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_BANDWIDTH">OPTIMIZED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKFBOUT_MULT">4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKFBOUT_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKIN_PERIOD">10.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT0_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT0_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT0_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT1_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT1_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT1_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT2_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT2_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT2_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT3_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT3_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT3_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT4_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT4_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT4_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT5_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT5_DUTY_CYCLE">0.500</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLKOUT5_PHASE">0.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_CLK_FEEDBACK">CLKFBOUT</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_COMPENSATION">SYSTEM_SYNCHRONOUS</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_DIVCLK_DIVIDE">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_NOTES">None</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PLL_REF_JITTER">0.010</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.POWER_DOWN_PORT">power_down</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PRECISION">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PRIMARY_PORT">clock_in</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PRIMITIVE">PLL</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PRIMTYPE_SEL">mmcm_adv</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PRIM_IN_FREQ">50</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PRIM_IN_JITTER">0.010</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PRIM_IN_TIMEPERIOD">10.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PRIM_SOURCE">Single_ended_clock_capable_pin</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PSCLK_PORT">psclk</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PSDONE_PORT">psdone</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PSEN_PORT">psen</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PSINCDEC_PORT">psincdec</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.REF_CLK_FREQ">100.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RELATIVE_INCLK">REL_PRIMARY</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RESET_BOARD_INTERFACE">Custom</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RESET_PORT">reset</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RESET_TYPE">ACTIVE_HIGH</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.SECONDARY_IN_FREQ">100.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.SECONDARY_IN_JITTER">0.010</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.SECONDARY_IN_TIMEPERIOD">10.000</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.SECONDARY_PORT">clk_in2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.SECONDARY_SOURCE">Single_ended_clock_capable_pin</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.SS_MODE">CENTER_HIGH</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.SS_MOD_FREQ">250</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.SS_MOD_TIME">0.004</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.STATUS_PORT">STATUS</spirit:configurableElementValue>
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+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.USER_CLK_FREQ1">100.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.USER_CLK_FREQ2">100.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.USER_CLK_FREQ3">100.0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.USE_BOARD_FLOW">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.USE_CLKFB_STOPPED">false</spirit:configurableElementValue>
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+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.USE_DYN_PHASE_SHIFT">false</spirit:configurableElementValue>
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+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.USE_SAFE_CLOCK_STARTUP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.USE_SPREAD_SPECTRUM">false</spirit:configurableElementValue>
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+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
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+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
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+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
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+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
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+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/d70cb10c33a74223/sys_pll_sim_netlist.v

@@ -0,0 +1,193 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 14:00:41 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode funcsim -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ sys_pll_sim_netlist.v
+// Design      : sys_pll
+// Purpose     : This verilog netlist is a functional simulation representation of the design and should not be modified
+//               or synthesized. This netlist cannot be used for SDF annotated simulation.
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+`timescale 1 ps / 1 ps
+
+(* NotValidForBitStream *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix
+   (system_clock,
+    clock_in);
+  output system_clock;
+  input clock_in;
+
+  (* IBUF_LOW_PWR *) wire clock_in;
+  wire system_clock;
+
+  decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_sys_pll_clk_wiz inst
+       (.clock_in(clock_in),
+        .system_clock(system_clock));
+endmodule
+
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_sys_pll_clk_wiz
+   (system_clock,
+    clock_in);
+  output system_clock;
+  input clock_in;
+
+  wire clkfbout_buf_sys_pll;
+  wire clkfbout_sys_pll;
+  wire clock_in;
+  wire clock_in_sys_pll;
+  wire system_clock;
+  wire system_clock_sys_pll;
+  wire NLW_plle2_adv_inst_CLKOUT1_UNCONNECTED;
+  wire NLW_plle2_adv_inst_CLKOUT2_UNCONNECTED;
+  wire NLW_plle2_adv_inst_CLKOUT3_UNCONNECTED;
+  wire NLW_plle2_adv_inst_CLKOUT4_UNCONNECTED;
+  wire NLW_plle2_adv_inst_CLKOUT5_UNCONNECTED;
+  wire NLW_plle2_adv_inst_DRDY_UNCONNECTED;
+  wire NLW_plle2_adv_inst_LOCKED_UNCONNECTED;
+  wire [15:0]NLW_plle2_adv_inst_DO_UNCONNECTED;
+
+  (* BOX_TYPE = "PRIMITIVE" *) 
+  BUFG clkf_buf
+       (.I(clkfbout_sys_pll),
+        .O(clkfbout_buf_sys_pll));
+  (* BOX_TYPE = "PRIMITIVE" *) 
+  (* CAPACITANCE = "DONT_CARE" *) 
+  (* IBUF_DELAY_VALUE = "0" *) 
+  (* IFD_DELAY_VALUE = "AUTO" *) 
+  IBUF #(
+    .IOSTANDARD("DEFAULT")) 
+    clkin1_ibufg
+       (.I(clock_in),
+        .O(clock_in_sys_pll));
+  (* BOX_TYPE = "PRIMITIVE" *) 
+  BUFG clkout1_buf
+       (.I(system_clock_sys_pll),
+        .O(system_clock));
+  (* BOX_TYPE = "PRIMITIVE" *) 
+  PLLE2_ADV #(
+    .BANDWIDTH("OPTIMIZED"),
+    .CLKFBOUT_MULT(18),
+    .CLKFBOUT_PHASE(0.000000),
+    .CLKIN1_PERIOD(20.000000),
+    .CLKIN2_PERIOD(0.000000),
+    .CLKOUT0_DIVIDE(9),
+    .CLKOUT0_DUTY_CYCLE(0.500000),
+    .CLKOUT0_PHASE(0.000000),
+    .CLKOUT1_DIVIDE(1),
+    .CLKOUT1_DUTY_CYCLE(0.500000),
+    .CLKOUT1_PHASE(0.000000),
+    .CLKOUT2_DIVIDE(1),
+    .CLKOUT2_DUTY_CYCLE(0.500000),
+    .CLKOUT2_PHASE(0.000000),
+    .CLKOUT3_DIVIDE(1),
+    .CLKOUT3_DUTY_CYCLE(0.500000),
+    .CLKOUT3_PHASE(0.000000),
+    .CLKOUT4_DIVIDE(1),
+    .CLKOUT4_DUTY_CYCLE(0.500000),
+    .CLKOUT4_PHASE(0.000000),
+    .CLKOUT5_DIVIDE(1),
+    .CLKOUT5_DUTY_CYCLE(0.500000),
+    .CLKOUT5_PHASE(0.000000),
+    .COMPENSATION("ZHOLD"),
+    .DIVCLK_DIVIDE(1),
+    .IS_CLKINSEL_INVERTED(1'b0),
+    .IS_PWRDWN_INVERTED(1'b0),
+    .IS_RST_INVERTED(1'b0),
+    .REF_JITTER1(0.010000),
+    .REF_JITTER2(0.010000),
+    .STARTUP_WAIT("FALSE")) 
+    plle2_adv_inst
+       (.CLKFBIN(clkfbout_buf_sys_pll),
+        .CLKFBOUT(clkfbout_sys_pll),
+        .CLKIN1(clock_in_sys_pll),
+        .CLKIN2(1'b0),
+        .CLKINSEL(1'b1),
+        .CLKOUT0(system_clock_sys_pll),
+        .CLKOUT1(NLW_plle2_adv_inst_CLKOUT1_UNCONNECTED),
+        .CLKOUT2(NLW_plle2_adv_inst_CLKOUT2_UNCONNECTED),
+        .CLKOUT3(NLW_plle2_adv_inst_CLKOUT3_UNCONNECTED),
+        .CLKOUT4(NLW_plle2_adv_inst_CLKOUT4_UNCONNECTED),
+        .CLKOUT5(NLW_plle2_adv_inst_CLKOUT5_UNCONNECTED),
+        .DADDR({1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0}),
+        .DCLK(1'b0),
+        .DEN(1'b0),
+        .DI({1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0}),
+        .DO(NLW_plle2_adv_inst_DO_UNCONNECTED[15:0]),
+        .DRDY(NLW_plle2_adv_inst_DRDY_UNCONNECTED),
+        .DWE(1'b0),
+        .LOCKED(NLW_plle2_adv_inst_LOCKED_UNCONNECTED),
+        .PWRDWN(1'b0),
+        .RST(1'b0));
+endmodule
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.cache/ip/d70cb10c33a74223/sys_pll_stub.v

@@ -0,0 +1,20 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 14:00:41 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ sys_pll_stub.v
+// Design      : sys_pll
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(system_clock, clock_in)
+/* synthesis syn_black_box black_box_pad_pin="system_clock,clock_in" */;
+  output system_clock;
+  input clock_in;
+endmodule

fpga/projects/rx_only/rx_only.cache/ip/dc24d0f6f2caff33/dc24d0f6f2caff33.xci

@@ -0,0 +1,204 @@
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+  <spirit:vendor>xilinx.com</spirit:vendor>
+  <spirit:library>ipcache</spirit:library>
+  <spirit:name>dc24d0f6f2caff33</spirit:name>
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+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_rdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wach">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wdch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.FIFO_Implementation_wrch">Common_Clock_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Fifo_Implementation">Independent_Clocks_Block_RAM</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Flags_Reset_Value">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value">1021</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_axis">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_rdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wach">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wdch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Assert_Value_wrch">1023</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Full_Threshold_Negate_Value">1020</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_ACLKEN">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TKEEP">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.HAS_TSTRB">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.INTERFACE_TYPE">Native</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Dbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_rdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wach">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wdch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Inject_Sbit_Error_wrch">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Data_Width">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_axis">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_rdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wach">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wdch">1024</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Input_Depth_wrch">16</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Master_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Data_Width">32</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Depth">256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Output_Register_Type">Embedded_Reg</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Overflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.PROTOCOL">AXI4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Performance_Options">Standard_FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type">Single_Programmable_Empty_Threshold_Constant</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_axis">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_rdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wach">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wdch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Empty_Type_wrch">No_Programmable_Empty_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_axis">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_rdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wach">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wdch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Programmable_Full_Type_wrch">No_Programmable_Full_Threshold</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.READ_WRITE_MODE">READ_WRITE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.RUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Read_Data_Count_Width">8</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_axis">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_rdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wach">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wdch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Register_Slice_Mode_wrch">Fully_Registered</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Pin">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Reset_Type">Asynchronous_Reset</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Slave_interface_Clock_enable_memory_mapped">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDATA_NUM_BYTES">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TDEST_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TID_WIDTH">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TKEEP_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TSTRB_WIDTH">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.TUSER_WIDTH">4</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Flag_AXI">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Underflow_Sense_AXI">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Dout_Reset">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Embedded_Registers_axis">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Use_Extra_Logic">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Valid_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.WUSER_Width">0</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Flag">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Acknowledge_Sense">Active_High</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Clock_Frequency">1</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.Write_Data_Count_Width">10</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.asymmetric_port_width">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.axis_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.dynamic_power_saving">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.ecc_pipeline_reg">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_low_latency">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.enable_read_pointer_increment_by2">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.rdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.synchronization_stages_axi">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.use_dout_register">false</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wach_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wdch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.wrch_type">FIFO</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.ARCHITECTURE">artix7</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.BOARD"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.DEVICE">xc7a50t</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PACKAGE">ftg256</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.PREFHDL">VHDL</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SILICON_REVISION"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SIMULATOR_LANGUAGE">MIXED</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.SPEEDGRADE">-2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.TEMPERATURE_GRADE"/>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_CUSTOMIZATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="PROJECT_PARAM.USE_RDI_GENERATION">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHECRC">f9fab666</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCACHEID">dc24d0f6f2caff33</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPCONTEXT">IP_Unknown</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.IPREVISION">2</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.MANAGED">TRUE</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.OUTPUTDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SELECTEDSIMMODEL"/>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SHAREDDIR">.</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SWVERSION">2016.3</spirit:configurableElementValue>
+        <spirit:configurableElementValue spirit:referenceId="RUNTIME_PARAM.SYNTHESISFLOW">GLOBAL</spirit:configurableElementValue>
+      </spirit:configurableElementValues>
+    </spirit:componentInstance>
+  </spirit:componentInstances>
+</spirit:design>

fpga/projects/rx_only/rx_only.cache/ip/dc24d0f6f2caff33/response_fifo_stub.v

@@ -0,0 +1,29 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 13:39:22 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub -rename_top decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix -prefix
+//               decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix_ response_fifo_stub.v
+// Design      : response_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module decalper_eb_ot_sdeen_pot_pi_dehcac_xnilix(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[7:0],wr_en,rd_en,dout[31:0],full,empty,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [7:0]din;
+  input wr_en;
+  input rd_en;
+  output [31:0]dout;
+  output full;
+  output empty;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.hw/hw_1/wave/hw_ila_data_1/hw_ila_data_1.wcfg

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<wave_config>
+   <wave_state>
+   </wave_state>
+   <db_ref_list>
+      <db_ref path="/home/dave/misc-projects/rftool-fpga/projects/rx_only/rx_only.hw/hw_1/wave/hw_ila_data_1/hw_ila_data_1.wdb" id="1">
+         <top_modules>
+         </top_modules>
+      </db_ref>
+   </db_ref_list>
+   <zoom_setting>
+      <ZoomStartTime time="16357785fs"></ZoomStartTime>
+      <ZoomEndTime time="16384136fs"></ZoomEndTime>
+      <Cursor1Time time="3741000fs"></Cursor1Time>
+   </zoom_setting>
+   <column_width_setting>
+      <NameColumnWidth column_width="170"></NameColumnWidth>
+      <ValueColumnWidth column_width="236"></ValueColumnWidth>
+   </column_width_setting>
+   <WVObjectSize size="2" />
+   <wave_markers>
+   </wave_markers>
+   <wvobject type="array" fp_name="iq_fifo_d_0">
+      <obj_property name="DisplayName">FullPathName</obj_property>
+      <obj_property name="ElementShortName">iq_fifo_d_0[11:0]</obj_property>
+      <obj_property name="ObjectShortName">iq_fifo_d_0[11:0]</obj_property>
+      <obj_property name="Radix">SIGNEDDECRADIX</obj_property>
+      <obj_property name="LABELRADIX">true</obj_property>
+   </wvobject>
+   <wvobject type="array" fp_name="iq_fifo_d_12">
+      <obj_property name="DisplayName">FullPathName</obj_property>
+      <obj_property name="ElementShortName">iq_fifo_d_12[11:0]</obj_property>
+      <obj_property name="ObjectShortName">iq_fifo_d_12[11:0]</obj_property>
+      <obj_property name="Radix">SIGNEDDECRADIX</obj_property>
+      <obj_property name="isExpanded"></obj_property>
+      <obj_property name="LABELRADIX">true</obj_property>
+   </wvobject>
+</wave_config>

fpga/projects/rx_only/rx_only.ip_user_files/ip/command_fifo/command_fifo_stub.v

@@ -0,0 +1,30 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 13:39:07 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub
+//               /home/dave/misc-projects/rftool-fpga/projects/rx_only/rx_only.srcs/sources_1/ip/command_fifo/command_fifo_stub.v
+// Design      : command_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module command_fifo(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_full, prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[31:0],wr_en,rd_en,dout[7:0],full,empty,prog_full,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [31:0]din;
+  input wr_en;
+  input rd_en;
+  output [7:0]dout;
+  output full;
+  output empty;
+  output prog_full;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.ip_user_files/ip/ila_0/ila_0_stub.v

@@ -0,0 +1,23 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 19 16:01:50 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub
+//               /home/dave/misc-projects/rftool-fpga/projects/rx_only/rx_only.srcs/sources_1/ip/ila_0/ila_0_stub.v
+// Design      : ila_0
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "ila,Vivado 2016.3" *)
+module ila_0(clk, probe0, probe1, probe2)
+/* synthesis syn_black_box black_box_pad_pin="clk,probe0[7:0],probe1[7:0],probe2[7:0]" */;
+  input clk;
+  input [7:0]probe0;
+  input [7:0]probe1;
+  input [7:0]probe2;
+endmodule

fpga/projects/rx_only/rx_only.ip_user_files/ip/ila_1/ila_1_stub.v

@@ -0,0 +1,24 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 19 18:03:04 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub
+//               /home/dave/misc-projects/rftool-fpga/projects/rx_only/rx_only.srcs/sources_1/ip/ila_1/ila_1_stub.v
+// Design      : ila_1
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "ila,Vivado 2016.3" *)
+module ila_1(clk, probe0, probe1, probe2, probe3)
+/* synthesis syn_black_box black_box_pad_pin="clk,probe0[0:0],probe1[0:0],probe2[0:0],probe3[0:0]" */;
+  input clk;
+  input [0:0]probe0;
+  input [0:0]probe1;
+  input [0:0]probe2;
+  input [0:0]probe3;
+endmodule

fpga/projects/rx_only/rx_only.ip_user_files/ip/ila_2/ila_2_stub.v

@@ -0,0 +1,22 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Thu Dec 22 13:02:56 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub
+//               /home/dave/misc-projects/rftool-fpga/projects/rx_only/rx_only.srcs/sources_1/ip/ila_2/ila_2_stub.v
+// Design      : ila_2
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "ila,Vivado 2016.3" *)
+module ila_2(clk, probe0, probe1)
+/* synthesis syn_black_box black_box_pad_pin="clk,probe0[11:0],probe1[11:0]" */;
+  input clk;
+  input [11:0]probe0;
+  input [11:0]probe1;
+endmodule

fpga/projects/rx_only/rx_only.ip_user_files/ip/iq_sample_fifo/iq_sample_fifo_stub.v

@@ -0,0 +1,27 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 12:44:58 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub
+//               /home/dave/misc-projects/rftool-fpga/projects/rx_only/rx_only.srcs/sources_1/ip/iq_sample_fifo/iq_sample_fifo_stub.v
+// Design      : iq_sample_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module iq_sample_fifo(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[23:0],wr_en,rd_en,dout[23:0],full,empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [23:0]din;
+  input wr_en;
+  input rd_en;
+  output [23:0]dout;
+  output full;
+  output empty;
+endmodule

fpga/projects/rx_only/rx_only.ip_user_files/ip/response_fifo/response_fifo_stub.v

@@ -0,0 +1,29 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 13:39:22 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub
+//               /home/dave/misc-projects/rftool-fpga/projects/rx_only/rx_only.srcs/sources_1/ip/response_fifo/response_fifo_stub.v
+// Design      : response_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module response_fifo(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[7:0],wr_en,rd_en,dout[31:0],full,empty,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [7:0]din;
+  input wr_en;
+  input rd_en;
+  output [31:0]dout;
+  output full;
+  output empty;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.ip_user_files/ip/rx_packet_fifo/rx_packet_fifo_stub.v

@@ -0,0 +1,29 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Jan 16 15:31:50 2017
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub
+//               /home/dave/misc-projects/rftool-fpga/projects/rx_only/rx_only.srcs/sources_1/ip/rx_packet_fifo/rx_packet_fifo_stub.v
+// Design      : rx_packet_fifo
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+(* x_core_info = "fifo_generator_v13_1_2,Vivado 2016.3" *)
+module rx_packet_fifo(wr_clk, rd_clk, din, wr_en, rd_en, dout, full, empty, 
+  prog_empty)
+/* synthesis syn_black_box black_box_pad_pin="wr_clk,rd_clk,din[31:0],wr_en,rd_en,dout[31:0],full,empty,prog_empty" */;
+  input wr_clk;
+  input rd_clk;
+  input [31:0]din;
+  input wr_en;
+  input rd_en;
+  output [31:0]dout;
+  output full;
+  output empty;
+  output prog_empty;
+endmodule

fpga/projects/rx_only/rx_only.ip_user_files/ip/sys_pll/sys_pll_stub.v

@@ -0,0 +1,20 @@
+// Copyright 1986-2016 Xilinx, Inc. All Rights Reserved.
+// --------------------------------------------------------------------------------
+// Tool Version: Vivado v.2016.3 (lin64) Build 1682563 Mon Oct 10 19:07:26 MDT 2016
+// Date        : Mon Dec 12 14:00:41 2016
+// Host        : david-desktop-arch running 64-bit unknown
+// Command     : write_verilog -force -mode synth_stub
+//               /home/dave/misc-projects/rftool-fpga/projects/rx_only/rx_only.srcs/sources_1/ip/sys_pll/sys_pll_stub.v
+// Design      : sys_pll
+// Purpose     : Stub declaration of top-level module interface
+// Device      : xc7a50tftg256-2
+// --------------------------------------------------------------------------------
+
+// This empty module with port declaration file causes synthesis tools to infer a black box for IP.
+// The synthesis directives are for Synopsys Synplify support to prevent IO buffer insertion.
+// Please paste the declaration into a Verilog source file or add the file as an additional source.
+module sys_pll(system_clock, clock_in)
+/* synthesis syn_black_box black_box_pad_pin="system_clock,clock_in" */;
+  output system_clock;
+  input clock_in;
+endmodule

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/activehdl/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/ies/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/modelsim/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/questa/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/riviera/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/vcs/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/xsim/cmd.tcl

@@ -0,0 +1,12 @@
+set curr_wave [current_wave_config]
+if { [string length $curr_wave] == 0 } {
+  if { [llength [get_objects]] > 0} {
+    add_wave /
+    set_property needs_save false [current_wave_config]
+  } else {
+     send_msg_id Add_Wave-1 WARNING "No top level signals found. Simulator will start without a wave window. If you want to open a wave window go to 'File->New Waveform Configuration' or type 'create_wave_config' in the TCL console."
+  }
+}
+
+run -all
+quit

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/xsim/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/xsim/vhdl.prj

@@ -0,0 +1,2 @@
+
+nosort

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/command_fifo/xsim/vlog.prj

@@ -0,0 +1,5 @@
+verilog xil_defaultlib "../../../../rx_only.srcs/sources_1/ip/command_fifo/sim/command_fifo.v" 
+
+verilog xil_defaultlib "glbl.v"
+
+nosort

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_0/activehdl/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_0/ies/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_0/modelsim/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_0/questa/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_0/riviera/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_0/vcs/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_0/xsim/cmd.tcl

@@ -0,0 +1,12 @@
+set curr_wave [current_wave_config]
+if { [string length $curr_wave] == 0 } {
+  if { [llength [get_objects]] > 0} {
+    add_wave /
+    set_property needs_save false [current_wave_config]
+  } else {
+     send_msg_id Add_Wave-1 WARNING "No top level signals found. Simulator will start without a wave window. If you want to open a wave window go to 'File->New Waveform Configuration' or type 'create_wave_config' in the TCL console."
+  }
+}
+
+run -all
+quit

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_0/xsim/vhdl.prj

@@ -0,0 +1,3 @@
+vhdl xil_defaultlib "../../../../rx_only.srcs/sources_1/ip/ila_0/sim/ila_0.vhd" 
+
+nosort

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_1/activehdl/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_1/ies/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_1/modelsim/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_1/questa/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_1/riviera/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_1/vcs/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_1/xsim/cmd.tcl

@@ -0,0 +1,12 @@
+set curr_wave [current_wave_config]
+if { [string length $curr_wave] == 0 } {
+  if { [llength [get_objects]] > 0} {
+    add_wave /
+    set_property needs_save false [current_wave_config]
+  } else {
+     send_msg_id Add_Wave-1 WARNING "No top level signals found. Simulator will start without a wave window. If you want to open a wave window go to 'File->New Waveform Configuration' or type 'create_wave_config' in the TCL console."
+  }
+}
+
+run -all
+quit

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_1/xsim/vhdl.prj

@@ -0,0 +1,3 @@
+vhdl xil_defaultlib "../../../../rx_only.srcs/sources_1/ip/ila_1/sim/ila_1.vhd" 
+
+nosort

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_2/activehdl/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_2/ies/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_2/modelsim/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_2/questa/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_2/riviera/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_2/vcs/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_2/xsim/cmd.tcl

@@ -0,0 +1,12 @@
+set curr_wave [current_wave_config]
+if { [string length $curr_wave] == 0 } {
+  if { [llength [get_objects]] > 0} {
+    add_wave /
+    set_property needs_save false [current_wave_config]
+  } else {
+     send_msg_id Add_Wave-1 WARNING "No top level signals found. Simulator will start without a wave window. If you want to open a wave window go to 'File->New Waveform Configuration' or type 'create_wave_config' in the TCL console."
+  }
+}
+
+run -all
+quit

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/ila_2/xsim/vhdl.prj

@@ -0,0 +1,3 @@
+vhdl xil_defaultlib "../../../../rx_only.srcs/sources_1/ip/ila_2/sim/ila_2.vhd" 
+
+nosort

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/iq_sample_fifo/activehdl/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/iq_sample_fifo/ies/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/iq_sample_fifo/modelsim/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/iq_sample_fifo/questa/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/iq_sample_fifo/riviera/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/iq_sample_fifo/vcs/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/iq_sample_fifo/xsim/cmd.tcl

@@ -0,0 +1,12 @@
+set curr_wave [current_wave_config]
+if { [string length $curr_wave] == 0 } {
+  if { [llength [get_objects]] > 0} {
+    add_wave /
+    set_property needs_save false [current_wave_config]
+  } else {
+     send_msg_id Add_Wave-1 WARNING "No top level signals found. Simulator will start without a wave window. If you want to open a wave window go to 'File->New Waveform Configuration' or type 'create_wave_config' in the TCL console."
+  }
+}
+
+run -all
+quit

fpga/projects/rx_only/rx_only.ip_user_files/sim_scripts/iq_sample_fifo/xsim/glbl.v

@@ -0,0 +1,71 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.14 2010/10/28 20:44:00 fphillip Exp $
+`ifndef GLBL
+`define GLBL
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+//--------   STARTUP Globals --------------
+    wire GSR;
+    wire GTS;
+    wire GWE;
+    wire PRLD;
+    tri1 p_up_tmp;
+    tri (weak1, strong0) PLL_LOCKG = p_up_tmp;
+
+    wire PROGB_GLBL;
+    wire CCLKO_GLBL;
+    wire FCSBO_GLBL;
+    wire [3:0] DO_GLBL;
+    wire [3:0] DI_GLBL;
+   
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+    reg JTAG_RUNTEST_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule
+`endif