head 1.2; access; symbols rel_00_01_alpha:1.1.1.1 start:1.1.1.1 avendor:1.1.1; locks; strict; comment @# @; 1.2 date 2004.12.18.14.37.32; author sfielding; state dead; branches; next 1.1; 1.1 date 2004.10.11.03.59.12; author sfielding; state Exp; branches 1.1.1.1; next ; 1.1.1.1 date 2004.10.11.03.59.12; author sfielding; state Exp; branches; next ; desc @@ 1.2 log @Removed html documentation @ text @ usbConstants_h.v 
//////////////////////////////////////////////////////////////////////
////                                                              ////
//// usbConstants_h.v                                             ////
////                                                              ////
//// This file is part of the usbhostslave opencores effort.
//// <http://www.opencores.org/cores//>                           ////
////                                                              ////
//// Module Description:                                          ////
////  USB global constants as defined by USB spec 1.1
//// 
////                                                              ////
//// To Do:                                                       ////
//// 
////                                                              ////
//// Author(s):                                                   ////
//// - Steve Fielding, sfielding@@base2designs.com                 ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2004 Steve Fielding and OPENCORES.ORG          ////
////                                                              ////
//// This source file may be used and distributed without         ////
//// restriction provided that this copyright statement is not    ////
//// removed from the file and that any derivative work contains  ////
//// the original copyright notice and the associated disclaimer. ////
////                                                              ////
//// This source file is free software; you can redistribute it   ////
//// and/or modify it under the terms of the GNU Lesser General   ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any   ////
//// later version.                                               ////
////                                                              ////
//// This source 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 Lesser General Public License for more  ////
//// details.                                                     ////
////                                                              ////
//// You should have received a copy of the GNU Lesser General    ////
//// Public License along with this source; if not, download it   ////
//// from <http://www.opencores.org/lgpl.shtml>                   ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
//
// $Id: index.htm,v 1.1 2004/10/11 03:59:12 sfielding Exp $
//
// CVS Revision History
//
// $Log: index.htm,v $
// Revision 1.1  2004/10/11 03:59:12  sfielding
// Initial revision
//
//

//PIDTypes
`define OUT 4'h1
`define IN 4'h9
`define SOF 4'h5
`define SETUP 4'hd
`define DATA0 4'h3
`define DATA1 4'hb
`define ACK 4'h2
`define NAK 4'ha
`define STALL 4'he
`define PREAMBLE 4'hc 
     

//PIDGroups
`define SPECIAL 2'b00
`define TOKEN 2'b01
`define HANDSHAKE 2'b10
`define DATA 2'b11

// start of packet SyncByte
`define SYNC_BYTE 8'h80
@ 1.1 log @Initial revision @ text @d54 1 a54 1 // $Id$ d58 4 a61 1 // $Log$ @ 1.1.1.1 log @Created @ text @@