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

////                                                              ////

//// usbHostCyc2Wrap.v                                            ////

////                                                              ////

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

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

////                                                              ////

//// Module Description:                                          ////

////   Top level module wrapper. 

////                                                              ////

//// To Do:                                                       ////

//// 

////                                                              ////

//// Author(s):                                                   ////

//// - Steve Fielding, sfielding@base2designs.com                 ////

////                                                              ////

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

////                                                              ////

//// Copyright (C) 2008 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"

module usbHostCyc2Wrap(

  clk_i,

  rst_i,

  address_i,

  data_i,

  data_o,

  we_i,

  strobe_i,

  ack_o,

  irq,

  usbClk,

  USBWireVP,

  USBWireVM,

  USBWireOE_n,

  USBFullSpeed

   );

input clk_i;

input rst_i;

input [7:0] address_i;

input [7:0] data_i;

output [7:0] data_o;

input we_i;

input strobe_i;

output ack_o;

output irq;

input usbClk;

inout USBWireVP /* synthesis useioff=1 */;

inout USBWireVM /* synthesis useioff=1 */;

output USBWireOE_n /* synthesis useioff=1 */;

output USBFullSpeed /* synthesis useioff=1 */;

wire clk_i;

wire rst_i;

wire [7:0] address_i;

wire [7:0] data_i;

wire [7:0] data_o;

wire irq;

wire usbClk;

wire USBWireDataOutTick;

wire USBWireDataInTick;

wire USBFullSpeed;

//internal wiring 

wire hostSOFSentIntOut;

wire hostConnEventIntOut;

wire hostResumeIntOut;

wire hostTransDoneIntOut;

wire slaveSOFRxedIntOut;

wire slaveResetEventIntOut;

wire slaveResumeIntOut;

wire slaveTransDoneIntOut;

wire slaveNAKSentIntOut;

wire USBWireCtrlOut;

wire [1:0] USBWireDataIn;

wire [1:0] USBWireDataOut;

assign irq = hostSOFSentIntOut | hostConnEventIntOut |

             hostResumeIntOut | hostTransDoneIntOut;

assign USBWireDataIn = {USBWireVP, USBWireVM};

assign {USBWireVP, USBWireVM} = (USBWireCtrlOut == 1'b1) ? USBWireDataOut : 2'bzz;

assign USBWireOE_n = ~USBWireCtrlOut;

//Parameters declaration: 

defparam usbHostInst.HOST_FIFO_DEPTH = 64;

parameter HOST_FIFO_DEPTH = 64;

defparam usbHostInst.HOST_FIFO_ADDR_WIDTH = 6;

parameter HOST_FIFO_ADDR_WIDTH = 6;

usbHost usbHostInst (

  .clk_i(clk_i),

  .rst_i(rst_i),

  .address_i(address_i),

  .data_i(data_i),

  .data_o(data_o),

  .we_i(we_i),

  .strobe_i(strobe_i),

  .ack_o(ack_o),

  .usbClk(usbClk),

  .hostSOFSentIntOut(hostSOFSentIntOut),

  .hostConnEventIntOut(hostConnEventIntOut),

  .hostResumeIntOut(hostResumeIntOut),

  .hostTransDoneIntOut(hostTransDoneIntOut),

  .USBWireDataIn(USBWireDataIn),

  .USBWireDataInTick(USBWireDataInTick),

  .USBWireDataOut(USBWireDataOut),

  .USBWireDataOutTick(USBWireDataOutTick),

  .USBWireCtrlOut(USBWireCtrlOut),

  .USBFullSpeed(USBFullSpeed));

endmodule