File: gray2bin.v

package info (click to toggle)
uhd 4.9.0.0%2Bds1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 184,180 kB
  • sloc: cpp: 262,887; python: 112,011; ansic: 102,670; vhdl: 57,031; tcl: 19,924; xml: 8,581; makefile: 3,028; sh: 2,812; pascal: 230; javascript: 120; csh: 94; asm: 20; perl: 11
file content (25 lines) | stat: -rw-r--r-- 483 bytes parent folder | download | duplicates (5) 
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
 
//
// Copyright 2016 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: LGPL-3.0-or-later
//
//
// Gray: {a,b,c,d}
// Bits: {a,a^b,a^b^c,a^b^c^d}
//
module gray2bin #(
    parameter WIDTH = 8)
(
    input [WIDTH-1:0] gray,
    output reg [WIDTH-1:0] bin
);

    integer i;
    always @(*) begin
        bin[WIDTH-1] = gray[WIDTH-1];
        for (i = WIDTH-2; i >= 0; i = i - 1) begin
            bin[i] = bin[i+1] ^ gray[i];
        end
    end

endmodule