Merge branch 'fpga_next' into next

1 files changed, 25 insertions, 0 deletions

diff --git a/fpga/usrp2/sdr_lib/add2_and_clip_reg.v b/fpga/usrp2/sdr_lib/add2_and_clip_reg.v
new file mode 100644
index 000000000..8073b3b54
--- /dev/null
+++ b/fpga/usrp2/sdr_lib/add2_and_clip_reg.v
@@ -0,0 +1,25 @@
+
+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