Line 1... |
Line 1... |
|
/*
|
|
Author: Sebastien Riou (acapola)
|
|
Creation date: 22:22:43 01/10/2011
|
|
|
`timescale 1ns / 1ps
|
$LastChangedDate: 2011-01-29 13:16:17 +0100 (Sat, 29 Jan 2011) $
|
|
$LastChangedBy: acapola $
|
|
$LastChangedRevision: 11 $
|
|
$HeadURL: file:///svn/iso7816_3_master/iso7816_3_master/trunk/test/HammingWeight.v $
|
|
|
|
This file is under the BSD licence:
|
|
Copyright (c) 2011, Sebastien Riou
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
|
|
|
|
Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
|
|
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
|
|
The names of contributors may not be used to endorse or promote products derived from this software without specific prior written permission.
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
`default_nettype none
|
`default_nettype none
|
|
|
module HammingWeight(
|
module HammingWeight(
|
dataIn,
|
dataIn,
|
hammingWeight
|
hammingWeight
|
Line 18... |
Line 47... |
for(i=0;i<DATA_WIDTH;i=i+1) begin
|
for(i=0;i<DATA_WIDTH;i=i+1) begin
|
hammingWeight=hammingWeight + dataIn[i];
|
hammingWeight=hammingWeight + dataIn[i];
|
end
|
end
|
end
|
end
|
endmodule
|
endmodule
|
|
`default_nettype wire
|
|
|
/*
|
|
task hammingWeight
|
|
parameter DATA_WIDTH=4;
|
|
parameter WEIGHT_WIDTH=2;
|
|
input wire [DATA_WIDTH-1:0] dataIn;
|
|
output reg [WEIGHT_WIDTH-1:0] hammingWeight;
|
|
integer i;
|
|
begin
|
|
|
|
for(i=0;i<DATA_WIDTH;i=i+1) begin
|
|
hammingWeight=hammingWeight + dataIn[i];
|
|
end
|
|
|
|
end
|
|
endtask
|
|
*/
|
|
/*
|
|
function hammingWeight
|
|
parameter DATA_WIDTH=4;
|
|
parameter WEIGHT_WIDTH=2;
|
|
input wire [DATA_WIDTH-1:0] dataIn;
|
|
output reg [WEIGHT_WIDTH-1:0] hammingWeight;
|
|
integer i;
|
|
begin
|
|
|
|
for(i=0;i<DATA_WIDTH;i=i+1) begin
|
|
hammingWeight=hammingWeight + dataIn[i];
|
|
end
|
|
|
|
end
|
|
endtask
|
|
*/
|
|
No newline at end of file
|
No newline at end of file
|