summaryrefslogtreecommitdiff
path: root/usrp2/fpga/sdr_lib/clip_reg.v
blob: d5e98d98275db55d81301264a2b2f3ad6ee55946 (plain)
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
26
27
28
29
30
31
32
33
34
35
36
37
38
// -*- verilog -*-
//
//  USRP - Universal Software Radio Peripheral
//
//  Copyright (C) 2008 Matt Ettus
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
//

// Clipping "macro", keeps the bottom bits

module clip_reg
  #(parameter bits_in=0,
    parameter bits_out=0)
    (input clk,
     input [bits_in-1:0] in,
     output reg [bits_out-1:0] out);
   
   wire [bits_out-1:0] temp;

   clip #(.bits_in(bits_in),.bits_out(bits_out)) clip (.in(in),.out(temp));
   always @(posedge clk)
     out <= temp;
   
endmodule // clip_reg