ad9625- add an option to control cs monitoring

main
Rejeesh Kutty 2017-05-10 14:22:16 -04:00
parent d374f5b091
commit 78435ebbb7
4 changed files with 104 additions and 100 deletions

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@ -89,23 +89,20 @@ module axi_ad9625 #(
input [ 2:0] s_axi_awprot,
input [ 2:0] s_axi_arprot);
// internal registers
reg [ 31:0] up_rdata = 'd0;
reg up_rack = 'd0;
reg up_wack = 'd0;
// internal clocks & resets
// internal signals
wire up_rstn;
wire up_clk;
// internal signals
wire [191:0] adc_data_s;
wire adc_or_s;
wire adc_status_s;
wire adc_sref_sync_s;
wire up_adc_pn_err_s;
wire up_adc_pn_oos_s;
wire up_adc_or_s;
@ -158,6 +155,7 @@ module axi_ad9625 #(
.adc_or (adc_or_s),
.adc_status (adc_status_s),
.adc_sref (adc_sref),
.adc_sref_sync (adc_sref_sync_s),
.adc_raddr_in (adc_raddr_in),
.adc_raddr_out (adc_raddr_out));
@ -200,6 +198,7 @@ module axi_ad9625 #(
.adc_clk_ratio (32'd16),
.adc_start_code (),
.adc_sync (),
.adc_sref_sync (adc_sref_sync_s),
.up_status_pn_err (up_adc_pn_err_s),
.up_status_pn_oos (up_adc_pn_oos_s),
.up_status_or (up_adc_or_s),

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@ -34,9 +34,6 @@
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ADC channel-
`timescale 1ns/100ps

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@ -53,20 +53,24 @@ module axi_ad9625_if #(
output adc_clk,
input adc_rst,
output reg [191:0] adc_data,
output [191:0] adc_data,
output adc_or,
output reg adc_status,
output reg [ 15:0] adc_sref,
output adc_status,
output [ 15:0] adc_sref,
input adc_sref_sync,
input [ 3:0] adc_raddr_in,
output reg [ 3:0] adc_raddr_out);
output [ 3:0] adc_raddr_out);
// internal registers
reg [191:0] adc_data_int = 'd0;
reg adc_status_int = 'd0;
reg [ 15:0] adc_sref_int = 'd0;
reg [191:0] adc_data_cur = 'd0;
reg [191:0] adc_data_prv = 'd0;
reg [ 3:0] adc_waddr = 'd0;
reg [191:0] adc_wdata = 'd0;
reg [ 3:0] adc_raddr = 'd0;
// internal signals
@ -107,23 +111,31 @@ module axi_ad9625_if #(
// synchronization mode, multiple instances
assign adc_raddr_s = (ID == 0) ? adc_raddr_out : adc_raddr_in;
assign adc_data = adc_data_int;
assign adc_status = adc_status_int;
assign adc_sref = adc_sref_int;
assign adc_raddr_out = adc_raddr;
assign adc_raddr_s = (ID == 0) ? adc_raddr : adc_raddr_in;
always @(posedge rx_clk) begin
adc_data <= adc_rdata_s;
if (adc_sref_sync == 1'b1) begin
adc_data_int <= adc_rdata_s;
end else begin
adc_data_int <= adc_data_s;
end
if (adc_sref_s != 16'd0) begin
adc_sref <= adc_sref_s;
adc_sref_int <= adc_sref_s;
end
adc_data_cur <= adc_data_s;
adc_data_prv <= adc_data_cur;
if (adc_sref_s == 16'd0) begin
adc_waddr <= adc_waddr + 1'b1;
adc_raddr_out <= adc_raddr_out + 1'b1;
adc_raddr <= adc_raddr + 1'b1;
end else begin
adc_waddr <= 4'h0;
adc_raddr_out <= 4'h8;
adc_raddr <= 4'h8;
end
case (adc_sref)
case (adc_sref_int)
16'h8000: adc_wdata <= {adc_data_cur[179:0], adc_data_prv[191:180]};
16'h4000: adc_wdata <= {adc_data_cur[167:0], adc_data_prv[191:168]};
16'h2000: adc_wdata <= {adc_data_cur[155:0], adc_data_prv[191:156]};
@ -191,9 +203,9 @@ module axi_ad9625_if #(
always @(posedge rx_clk) begin
if (adc_rst == 1'b1) begin
adc_status <= 1'b0;
adc_status_int <= 1'b0;
end else begin
adc_status <= 1'b1;
adc_status_int <= 1'b1;
end
end
@ -211,7 +223,6 @@ module axi_ad9625_if #(
// frame-alignment
genvar n;
generate
for (n = 0; n < 8; n = n + 1) begin: g_xcvr_if
ad_xcvr_rx_if #(.DEVICE_TYPE (DEVICE_TYPE)) i_xcvr_if (

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@ -34,9 +34,6 @@
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// PN monitors
`timescale 1ns/100ps