Subversion Repositories openrisc

//////////////////////////////////////////////////////////////////////

////                                                              ////

//// lineControlUpdate.v                                          ////

////                                                              ////

//// This file is part of the usbhostslave opencores effort.

//// <http://www.opencores.org/cores//>                           ////

////                                                              ////

//// Module Description:                                          ////

//// 

////                                                              ////

//// 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>                   ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

//

`include "timescale.v"

`include "usbhostslave_serialinterfaceengine_h.v"

module lineControlUpdate(fullSpeedPolarity, fullSpeedBitRate, JBit, KBit);

input fullSpeedPolarity;

input fullSpeedBitRate;

output [1:0] JBit;

output [1:0] KBit;

wire fullSpeedPolarity;

wire fullSpeedBitRate;

reg [1:0] JBit;

reg [1:0] KBit;

always @(fullSpeedPolarity)

begin

    if (fullSpeedPolarity == 1'b1)

  begin

      JBit = `ONE_ZERO;

      KBit = `ZERO_ONE;

    end

    else

  begin

      JBit = `ZERO_ONE;

      KBit = `ONE_ZERO;

    end

end

endmodule