From 47967a432248cacf6b17add35263308ecc0526f4 Mon Sep 17 00:00:00 2001 From: Matt Ettus Date: Mon, 4 Apr 2011 08:16:33 -0700 Subject: dsp: pass the error through in the rounding function --- usrp2/sdr_lib/round_reg.v | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/usrp2/sdr_lib/round_reg.v b/usrp2/sdr_lib/round_reg.v index aa0972dab..6f2e974d7 100644 --- a/usrp2/sdr_lib/round_reg.v +++ b/usrp2/sdr_lib/round_reg.v @@ -27,13 +27,18 @@ module round_reg parameter bits_out=0) (input clk, input [bits_in-1:0] in, - output reg [bits_out-1:0] out); + output reg [bits_out-1:0] out, + output reg [bits_in-bits_out:0] err); wire [bits_out-1:0] temp; - - round #(.bits_in(bits_in),.bits_out(bits_out)) round (.in(in),.out(temp)); + wire [bits_in-bits_out:0] err_temp; + + round #(.bits_in(bits_in),.bits_out(bits_out)) round (.in(in),.out(temp), .err(err_temp)); always @(posedge clk) out <= temp; + + always @(posedge clk) + err <= err_temp; -endmodule // round +endmodule // round_reg -- cgit v1.2.3