Squashed B200 FPGA Source. Code from Josh Blum, Ian Buckley, and Matt Ettus.

1 files changed, 34 insertions, 0 deletions

diff --git a/fpga/usrp3/lib/dsp/clip_reg.v b/fpga/usrp3/lib/dsp/clip_reg.v
new file mode 100644
index 000000000..ab9a5b79d
--- /dev/null
+++ b/fpga/usrp3/lib/dsp/clip_reg.v
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+// -*- verilog -*-
+//
+//  USRP - Universal Software Radio Peripheral
+//
+//  Copyright (C) 2008 Matt Ettus
+//
+
+//
+
+// Clipping "macro", keeps the bottom bits
+
+module clip_reg
+  #(parameter bits_in=0,
+    parameter bits_out=0,
+    parameter STROBED=1'b0)
+    (input clk,
+     input [bits_in-1:0] in,
+     output reg [bits_out-1:0] out,
+     input strobe_in,
+     output reg strobe_out);
+   
+   wire [bits_out-1:0] temp;
+
+   clip #(.bits_in(bits_in),.bits_out(bits_out)) clip (.in(in),.out(temp));
+
+   always @(posedge clk)
+     strobe_out <= strobe_in;
+   
+   always @(posedge clk)
+     if(strobe_in | ~STROBED)
+       out <= temp;
+   
+endmodule // clip_reg
+