// *************************************************************************** // *************************************************************************** // Copyright 2013(c) Analog Devices, Inc. // // All rights reserved. // // Redistribution and use in source and binary forms, with or without modification, // are permitted provided that the following conditions are met: // - Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // - Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in // the documentation and/or other materials provided with the // distribution. // - Neither the name of Analog Devices, Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // - The use of this software may or may not infringe the patent rights // of one or more patent holders. This license does not release you // from the requirement that you obtain separate licenses from these // patent holders to use this software. // - Use of the software either in source or binary form, must be run // on or directly connected to an Analog Devices Inc. component. // // THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, // INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A // PARTICULAR PURPOSE ARE DISCLAIMED. // // IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY // RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // *************************************************************************** // *************************************************************************** `timescale 1ns/100ps module axi_mc_speed //----------- Ports Declarations ----------------------------------------------- ( // physical interface input [2:0] position_i, output [2:0] position_o, output [31:0] speed_o, output new_speed_o, input [1:0] hall_bemf_i, input ref_clk, // axi interface input s_axi_aclk, input s_axi_aresetn, input s_axi_awvalid, input [31:0] s_axi_awaddr, output s_axi_awready, input s_axi_wvalid, input [31:0] s_axi_wdata, input [ 3:0] s_axi_wstrb, output s_axi_wready, output s_axi_bvalid, output [ 1:0] s_axi_bresp, input s_axi_bready, input s_axi_arvalid, input [31:0] s_axi_araddr, output s_axi_arready, output s_axi_rvalid, output [ 1:0] s_axi_rresp, output [31:0] s_axi_rdata, input s_axi_rready, input [ 2:0] s_axi_awprot, input [ 2:0] s_axi_arprot ); //------------------------------------------------------------------------------ //----------- Registers Declarations ------------------------------------------- //------------------------------------------------------------------------------ reg [31:0] up_rdata = 'd0; reg up_wack = 'd0; reg up_rack = 'd0; //------------------------------------------------------------------------------ //----------- Wires Declarations ----------------------------------------------- //------------------------------------------------------------------------------ // internal clocks & resets wire adc_rst; wire up_rstn; wire up_clk; // internal signals wire [31:0] speed_data_s; wire adc_enable_s; wire adc_status_s; wire up_rreq_s; wire up_wreq_s; wire [13:0] up_waddr_s; wire [13:0] up_raddr_s; wire [31:0] up_wdata_s; wire [31:0] up_adc_common_rdata_s; wire up_adc_common_wack_s; wire up_adc_common_rack_s; wire [31:0] pid_s; wire [ 2:0] position_s; wire [ 2:0] bemf_s; wire [ 2:0] bemf_delayed_s; wire new_speed_s; wire [ 2:0] bemf_multiplex_s; //------------------------------------------------------------------------------ //----------- Assign/Always Blocks --------------------------------------------- //------------------------------------------------------------------------------ // signal name changes assign up_clk = s_axi_aclk; assign up_rstn = s_axi_aresetn; assign bemf_s = position_s ; assign position_o =(hall_bemf_i == 2'b01) ? bemf_delayed_s : position_s; assign new_speed_o = new_speed_s; assign speed_o = speed_data_s; // processor read interface always @(negedge up_rstn or posedge up_clk) begin if(up_rstn == 0) begin up_rdata <= 'd0; up_wack <= 'd0; up_rack <= 'd0; end else begin up_rdata <= up_adc_common_rdata_s; up_wack <= up_adc_common_wack_s; up_rack <= up_adc_common_rack_s; end end // HALL sensors debouncers debouncer #( .DEBOUNCER_LENGTH(400)) position_0( .clk_i(ref_clk), .rst_i(adc_rst), .sig_i(position_i[0]), .sig_o(position_s[0])); debouncer #( .DEBOUNCER_LENGTH(400)) position_1( .clk_i(ref_clk), .rst_i(adc_rst), .sig_i(position_i[1]), .sig_o(position_s[1])); debouncer #( .DEBOUNCER_LENGTH(400)) position_2( .clk_i(ref_clk), .rst_i(adc_rst), .sig_i(position_i[2]), .sig_o(position_s[2])); delay_30_degrees delay_30_degrees_i1( .clk_i(ref_clk), .rst_i(adc_rst), .offset_i(32'h0), .position_i(bemf_s), .position_o(bemf_delayed_s)); speed_detector #( .AVERAGE_WINDOW(1024), .LOG_2_AW(10), .SAMPLE_CLK_DECIM(1000)) speed_detector_inst( .clk_i(ref_clk), .rst_i(adc_rst), .position_i(position_o), .new_speed_o(new_speed_s), .current_speed_o(), .speed_o(speed_data_s)); // common processor control up_adc_common i_up_adc_common( .mmcm_rst(), .adc_clk(ref_clk), .adc_rst(adc_rst), .adc_r1_mode(), .adc_ddr_edgesel(), .adc_pin_mode(), .adc_status(1'b1), .adc_sync_status(1'b1), .adc_status_ovf(1'b0), .adc_status_unf(1'b0), .adc_clk_ratio(32'd1), .adc_start_code(), .adc_sync(), .up_status_pn_err(1'b0), .up_status_pn_oos(1'b0), .up_status_or(1'b0), .up_drp_sel(), .up_drp_wr(), .up_drp_addr(), .up_drp_wdata(), .up_drp_rdata(16'd0), .up_drp_ready(1'b0), .up_drp_locked(1'b0), .up_usr_chanmax_out(), .up_usr_chanmax_in(8'd1), .up_adc_gpio_in(32'h0), .up_adc_gpio_out(), .up_rstn(up_rstn), .up_clk(up_clk), .up_wreq (up_wreq_s), .up_waddr (up_waddr_s), .up_wdata (up_wdata_s), .up_wack (up_adc_common_wack_s), .up_rreq (up_rreq_s), .up_raddr (up_raddr_s), .up_rdata (up_adc_common_rdata_s), .up_rack (up_adc_common_rack_s)); // up bus interface up_axi i_up_axi( .up_rstn(up_rstn), .up_clk(up_clk), .up_axi_awvalid(s_axi_awvalid), .up_axi_awaddr(s_axi_awaddr), .up_axi_awready(s_axi_awready), .up_axi_wvalid(s_axi_wvalid), .up_axi_wdata(s_axi_wdata), .up_axi_wstrb(s_axi_wstrb), .up_axi_wready(s_axi_wready), .up_axi_bvalid(s_axi_bvalid), .up_axi_bresp(s_axi_bresp), .up_axi_bready(s_axi_bready), .up_axi_arvalid(s_axi_arvalid), .up_axi_araddr(s_axi_araddr), .up_axi_arready(s_axi_arready), .up_axi_rvalid(s_axi_rvalid), .up_axi_rresp(s_axi_rresp), .up_axi_rdata(s_axi_rdata), .up_axi_rready(s_axi_rready), .up_wreq (up_wreq_s), .up_waddr (up_waddr_s), .up_wdata (up_wdata_s), .up_wack (up_wack), .up_rreq (up_rreq_s), .up_raddr (up_raddr_s), .up_rdata (up_rdata), .up_rack (up_rack)); endmodule // *************************************************************************** // ***************************************************************************