usrp2/sdr_lib/add2_and_clip_reg.v


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

module add2_and_clip_reg
  #(parameter WIDTH=16)
    (input clk,
     input rst,
     input [WIDTH-1:0] in1,
     input [WIDTH-1:0] in2,
     input strobe_in,
     output reg [WIDTH-1:0] sum,
     output reg strobe_out);

   wire [WIDTH-1:0] sum_int;
   
   add2_and_clip #(.WIDTH(WIDTH)) add2_and_clip (.in1(in1),.in2(in2),.sum(sum_int));

   always @(posedge clk)
     if(rst)
       sum <= 0;
     else if(strobe_in)
       sum <= sum_int;

   always @(posedge clk)
     strobe_out <= strobe_in;
   
endmodule // add2_and_clip_reg