Merged -r6379:6451 from jcorgan/radar into trunk. Adds working receiver implementati...

[debian/gnuradio] / gr-radar-mono / src / fpga / lib / radar_control.v

diff --git a/gr-radar-mono/src/fpga/lib/radar_control.v b/gr-radar-mono/src/fpga/lib/radar_control.v
index e22da962d611ade3e8c87e06977649c492d516da..864941109e06ce227f5aa6fd7fffbb9053601f9b 100644 (file)
--- a/gr-radar-mono/src/fpga/lib/radar_control.v
+++ b/gr-radar-mono/src/fpga/lib/radar_control.v
@@ -21,10 +21,9 @@
 
 `include "../lib/radar_config.vh"
 
-module radar_control(clk_i,saddr_i,sdata_i,s_strobe_i,
-                    reset_o,tx_side_o,dbg_o,
-                    tx_strobe_o,tx_ctrl_o,rx_ctrl_o,
-                    ampl_o,fstart_o,fincr_o);
+module radar_control(clk_i,saddr_i,sdata_i,s_strobe_i,reset_o,
+                    tx_side_o,dbg_o,tx_strobe_o,tx_ctrl_o,rx_ctrl_o,
+                    ampl_o,fstart_o,fincr_o,pulse_num_o);
 
    // System interface
    input         clk_i;                // Master clock @ 64 MHz
@@ -42,7 +41,8 @@ module radar_control(clk_i,saddr_i,sdata_i,s_strobe_i,
    output [15:0] ampl_o;
    output [31:0] fstart_o;
    output [31:0] fincr_o;
-   
+   output [15:0] pulse_num_o;
+
    // Internal configuration
    wire         lp_ena;
    wire         md_ena;
@@ -94,12 +94,14 @@ module radar_control(clk_i,saddr_i,sdata_i,s_strobe_i,
 
    reg [3:0]  state;
    reg [31:0] count;
-
+   reg [15:0] pulse_num_o;
+   
    always @(posedge clk_i)
      if (reset_o)
        begin
          state <= `ST_ON;
          count <= 32'b0;
+         pulse_num_o <= 16'b0;
        end
      else
        case (state)
@@ -108,6 +110,7 @@ module radar_control(clk_i,saddr_i,sdata_i,s_strobe_i,
             begin
                state <= `ST_SW;
                count <= 32'b0;
+               pulse_num_o <= pulse_num_o + 16'b1;
             end
           else
             count <= count + 32'b1;