OpenCores
URL https://opencores.org/ocsvn/usbhostslave/usbhostslave/trunk

Subversion Repositories usbhostslave

[/] [usbhostslave/] [trunk/] [RTL/] [serialInterfaceEngine/] [lineControlUpdate.v] - Blame information for rev 9

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 2 sfielding
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
//// lineControlUpdate.v                                          ////
4
////                                                              ////
5
//// This file is part of the usbhostslave opencores effort.
6
//// <http://www.opencores.org/cores//>                           ////
7
////                                                              ////
8
//// Module Description:                                          ////
9
//// 
10
////                                                              ////
11
//// To Do:                                                       ////
12
//// 
13
////                                                              ////
14
//// Author(s):                                                   ////
15
//// - Steve Fielding, sfielding@base2designs.com                 ////
16
////                                                              ////
17
//////////////////////////////////////////////////////////////////////
18
////                                                              ////
19
//// Copyright (C) 2004 Steve Fielding and OPENCORES.ORG          ////
20
////                                                              ////
21
//// This source file may be used and distributed without         ////
22
//// restriction provided that this copyright statement is not    ////
23
//// removed from the file and that any derivative work contains  ////
24
//// the original copyright notice and the associated disclaimer. ////
25
////                                                              ////
26
//// This source file is free software; you can redistribute it   ////
27
//// and/or modify it under the terms of the GNU Lesser General   ////
28
//// Public License as published by the Free Software Foundation; ////
29
//// either version 2.1 of the License, or (at your option) any   ////
30
//// later version.                                               ////
31
////                                                              ////
32
//// This source is distributed in the hope that it will be       ////
33
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
34
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
35
//// PURPOSE. See the GNU Lesser General Public License for more  ////
36
//// details.                                                     ////
37
////                                                              ////
38
//// You should have received a copy of the GNU Lesser General    ////
39
//// Public License along with this source; if not, download it   ////
40
//// from <http://www.opencores.org/lgpl.shtml>                   ////
41
////                                                              ////
42
//////////////////////////////////////////////////////////////////////
43
//
44 9 sfielding
`timescale 1ns / 1ps
45 2 sfielding
 
46
`include "usbSerialInterfaceEngine_h.v"
47
 
48
module lineControlUpdate(fullSpeedPolarity, fullSpeedBitRate, JBit, KBit);
49
input fullSpeedPolarity;
50
input fullSpeedBitRate;
51
output [1:0] JBit;
52
output [1:0] KBit;
53
 
54
wire fullSpeedPolarity;
55
wire fullSpeedBitRate;
56
reg [1:0] JBit;
57
reg [1:0] KBit;
58
 
59
 
60
 
61
always @(fullSpeedPolarity)
62
begin
63
    if (fullSpeedPolarity == 1'b1)
64 5 sfielding
  begin
65 2 sfielding
      JBit = `ONE_ZERO;
66
      KBit = `ZERO_ONE;
67
    end
68
    else
69 5 sfielding
  begin
70 2 sfielding
      JBit = `ZERO_ONE;
71
      KBit = `ONE_ZERO;
72
    end
73
end
74
 
75
 
76
endmodule

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.