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

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/usbHostControl.v
1,397 → 1,398
//////////////////////////////////////////////////////////////////////
//// ////
//// usbHostControl.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"
 
module usbHostControl(
busClk, rstSyncToBusClk,
usbClk, rstSyncToUsbClk,
//sendPacket
TxFifoRE, TxFifoData, TxFifoEmpty,
//getPacket
RxFifoWE, RxFifoData, RxFifoFull,
RxByteStatus, RxData, RxDataValid,
SIERxTimeOut, SIERxTimeOutEn,
//speedCtrlMux
fullSpeedRate, fullSpeedPol,
//HCTxPortArbiter
HCTxPortEn, HCTxPortRdy,
HCTxPortData, HCTxPortCtrl,
//rxStatusMonitor
connectStateIn,
resumeDetectedIn,
//USBHostControlBI
busAddress,
busDataIn,
busDataOut,
busWriteEn,
busStrobe_i,
SOFSentIntOut,
connEventIntOut,
resumeIntOut,
transDoneIntOut,
hostControlSelect
);
 
input busClk;
input rstSyncToBusClk;
input usbClk;
input rstSyncToUsbClk;
//sendPacket
output TxFifoRE;
input [7:0] TxFifoData;
input TxFifoEmpty;
//getPacket
output RxFifoWE;
output [7:0] RxFifoData;
input RxFifoFull;
input [7:0] RxByteStatus;
input [7:0] RxData;
input RxDataValid;
input SIERxTimeOut;
output SIERxTimeOutEn;
//speedCtrlMux
output fullSpeedRate;
output fullSpeedPol;
//HCTxPortArbiter
output HCTxPortEn;
input HCTxPortRdy;
output [7:0] HCTxPortData;
output [7:0] HCTxPortCtrl;
//rxStatusMonitor
input [1:0] connectStateIn;
input resumeDetectedIn;
//USBHostControlBI
input [3:0] busAddress;
input [7:0] busDataIn;
output [7:0] busDataOut;
input busWriteEn;
input busStrobe_i;
output SOFSentIntOut;
output connEventIntOut;
output resumeIntOut;
output transDoneIntOut;
input hostControlSelect;
 
wire busClk;
wire rstSyncToBusClk;
wire usbClk;
wire rstSyncToUsbClk;
wire [10:0] frameNum;
wire SOFSent;
wire TxFifoRE;
wire [7:0] TxFifoData;
wire TxFifoEmpty;
wire RxFifoWE;
wire [7:0] RxFifoData;
wire RxFifoFull;
wire [7:0] RxByteStatus;
wire [7:0] RxData;
wire RxDataValid;
wire SIERxTimeOut;
wire SIERxTimeOutEn;
wire fullSpeedRate;
wire fullSpeedPol;
wire HCTxPortEn;
wire HCTxPortRdy;
wire [7:0] HCTxPortData;
wire [7:0] HCTxPortCtrl;
wire [1:0] connectStateIn;
wire resumeDetectedIn;
wire [3:0] busAddress;
wire [7:0] busDataIn;
wire [7:0] busDataOut;
wire busWriteEn;
wire busStrobe_i;
wire SOFSentIntOut;
wire connEventIntOut;
wire resumeIntOut;
wire transDoneIntOut;
wire hostControlSelect;
 
//internal wiring
wire SOFTimerClr;
wire getPacketREn;
wire getPacketRdy;
wire HCTxGnt;
wire HCTxReq;
wire [3:0] HC_PID;
wire HC_SP_WEn;
wire SOFTxGnt;
wire SOFTxReq;
wire SOF_SP_WEn;
wire SOFEnable;
wire SOFSyncEn;
wire sendPacketCPReadyIn;
wire sendPacketCPReadyOut;
wire [3:0] sendPacketCPPIDIn;
wire [3:0] sendPacketCPPIDOut;
wire sendPacketCPWEnIn;
wire sendPacketCPWEnOut;
wire [7:0] SOFCntlCntl;
wire [7:0] SOFCntlData;
wire SOFCntlGnt;
wire SOFCntlReq;
wire SOFCntlWEn;
wire [7:0] directCntlCntl;
wire [7:0] directCntlData;
wire directCntlGnt;
wire directCntlReq;
wire directCntlWEn;
wire [7:0] sendPacketCntl;
wire [7:0] sendPacketData;
wire sendPacketGnt;
wire sendPacketReq;
wire sendPacketWEn;
wire [15:0] SOFTimer;
wire clrTxReq;
wire transDone;
wire transReq;
wire isoEn;
wire [1:0] transType;
wire preAmbleEnable;
wire [1:0] directLineState;
wire directLineCtrlEn;
wire [6:0] TxAddr;
wire [3:0] TxEndP;
wire [7:0] RxPktStatus;
wire [3:0] RxPID;
wire [1:0] connectStateOut;
wire resumeIntFromRxStatusMon;
wire connectionEventFromRxStatusMon;
 
USBHostControlBI u_USBHostControlBI
(.address(busAddress),
.dataIn(busDataIn),
.dataOut(busDataOut),
.writeEn(busWriteEn),
.strobe_i(busStrobe_i),
.busClk(busClk),
.rstSyncToBusClk(rstSyncToBusClk),
.usbClk(usbClk),
.rstSyncToUsbClk(rstSyncToUsbClk),
.SOFSentIntOut(SOFSentIntOut),
.connEventIntOut(connEventIntOut),
.resumeIntOut(resumeIntOut),
.transDoneIntOut(transDoneIntOut),
.TxTransTypeReg(transType),
.TxSOFEnableReg(SOFEnable),
.TxAddrReg(TxAddr),
.TxEndPReg(TxEndP),
.frameNumIn(frameNum),
.RxPktStatusIn(RxPktStatus),
.RxPIDIn(RxPID),
.connectStateIn(connectStateOut),
.SOFSentIn(SOFSent),
.connEventIn(connectionEventFromRxStatusMon),
.resumeIntIn(resumeIntFromRxStatusMon),
.transDoneIn(transDone),
.hostControlSelect(hostControlSelect),
.clrTransReq(clrTxReq),
.preambleEn(preAmbleEnable),
.SOFSync(SOFSyncEn),
.TxLineState(directLineState),
.LineDirectControlEn(directLineCtrlEn),
.fullSpeedPol(fullSpeedPol),
.fullSpeedRate(fullSpeedRate),
.transReq(transReq),
.isoEn(isoEn),
.SOFTimer(SOFTimer)
);
 
 
hostcontroller u_hostController
(.RXStatus(RxPktStatus),
.clearTXReq(clrTxReq),
.clk(usbClk),
.getPacketREn(getPacketREn),
.getPacketRdy(getPacketRdy),
.rst(rstSyncToUsbClk),
.sendPacketArbiterGnt(HCTxGnt),
.sendPacketArbiterReq(HCTxReq),
.sendPacketPID(HC_PID),
.sendPacketRdy(sendPacketCPReadyOut),
.sendPacketWEn(HC_SP_WEn),
.transDone(transDone),
.transReq(transReq),
.transType(transType),
.isoEn(isoEn) );
 
SOFController u_SOFController
(.HCTxPortCntl(SOFCntlCntl),
.HCTxPortData(SOFCntlData),
.HCTxPortGnt(SOFCntlGnt),
.HCTxPortRdy(HCTxPortRdy),
.HCTxPortReq(SOFCntlReq),
.HCTxPortWEn(SOFCntlWEn),
.SOFEnable(SOFEnable),
.SOFTimerClr(SOFTimerClr),
.SOFTimer(SOFTimer),
.clk(usbClk),
.rst(rstSyncToUsbClk) );
 
SOFTransmit u_SOFTransmit
(.SOFEnable(SOFEnable),
.SOFSent(SOFSent),
.SOFSyncEn(SOFSyncEn),
.SOFTimerClr(SOFTimerClr),
.SOFTimer(SOFTimer),
.clk(usbClk),
.rst(rstSyncToUsbClk),
.sendPacketArbiterGnt(SOFTxGnt),
.sendPacketArbiterReq(SOFTxReq),
.sendPacketRdy(sendPacketCPReadyOut),
.sendPacketWEn(SOF_SP_WEn) );
 
 
sendPacketArbiter u_sendPacketArbiter
(.HCTxGnt(HCTxGnt),
.HCTxReq(HCTxReq),
.HC_PID(HC_PID),
.HC_SP_WEn(HC_SP_WEn),
.SOFTxGnt(SOFTxGnt),
.SOFTxReq(SOFTxReq),
.SOF_SP_WEn(SOF_SP_WEn),
.clk(usbClk),
.rst(rstSyncToUsbClk),
.sendPacketPID(sendPacketCPPIDIn),
.sendPacketWEnable(sendPacketCPWEnIn) );
 
sendPacketCheckPreamble u_sendPacketCheckPreamble
(.sendPacketCPPID(sendPacketCPPIDIn),
.clk(usbClk),
.preAmbleEnable(preAmbleEnable),
.rst(rstSyncToUsbClk),
.sendPacketCPReady(sendPacketCPReadyOut),
.sendPacketCPWEn(sendPacketCPWEnIn),
.sendPacketPID(sendPacketCPPIDOut),
.sendPacketRdy(sendPacketCPReadyIn),
.sendPacketWEn(sendPacketCPWEnOut) );
 
sendPacket u_sendPacket
(.HCTxPortCntl(sendPacketCntl),
.HCTxPortData(sendPacketData),
.HCTxPortGnt(sendPacketGnt),
.HCTxPortRdy(HCTxPortRdy),
.HCTxPortReq(sendPacketReq),
.HCTxPortWEn(sendPacketWEn),
.PID(sendPacketCPPIDOut),
.TxAddr(TxAddr),
.TxEndP(TxEndP),
.clk(usbClk),
.fifoData(TxFifoData),
.fifoEmpty(TxFifoEmpty),
.fifoReadEn(TxFifoRE),
.frameNum(frameNum),
.rst(rstSyncToUsbClk),
.sendPacketRdy(sendPacketCPReadyIn),
.sendPacketWEn(sendPacketCPWEnOut),
.fullSpeedPolarity(fullSpeedPol) );
directControl u_directControl
(.HCTxPortCntl(directCntlCntl),
.HCTxPortData(directCntlData),
.HCTxPortGnt(directCntlGnt),
.HCTxPortRdy(HCTxPortRdy),
.HCTxPortReq(directCntlReq),
.HCTxPortWEn(directCntlWEn),
.clk(usbClk),
.directControlEn(directLineCtrlEn),
.directControlLineState(directLineState),
.rst(rstSyncToUsbClk) );
 
HCTxPortArbiter u_HCTxPortArbiter
(.HCTxPortCntl(HCTxPortCtrl),
.HCTxPortData(HCTxPortData),
.HCTxPortWEnable(HCTxPortEn),
.SOFCntlCntl(SOFCntlCntl),
.SOFCntlData(SOFCntlData),
.SOFCntlGnt(SOFCntlGnt),
.SOFCntlReq(SOFCntlReq),
.SOFCntlWEn(SOFCntlWEn),
.clk(usbClk),
.directCntlCntl(directCntlCntl),
.directCntlData(directCntlData),
.directCntlGnt(directCntlGnt),
.directCntlReq(directCntlReq),
.directCntlWEn(directCntlWEn),
.rst(rstSyncToUsbClk),
.sendPacketCntl(sendPacketCntl),
.sendPacketData(sendPacketData),
.sendPacketGnt(sendPacketGnt),
.sendPacketReq(sendPacketReq),
.sendPacketWEn(sendPacketWEn) );
 
getPacket u_getPacket
(.RXDataIn(RxData),
.RXDataValid(RxDataValid),
.RXFifoData(RxFifoData),
.RXFifoFull(RxFifoFull),
.RXFifoWEn(RxFifoWE),
.RXPacketRdy(getPacketRdy),
.RXPktStatus(RxPktStatus),
.RXStreamStatusIn(RxByteStatus),
.RxPID(RxPID),
.SIERxTimeOut(SIERxTimeOut),
.SIERxTimeOutEn(SIERxTimeOutEn),
.clk(usbClk),
.getPacketEn(getPacketREn),
.rst(rstSyncToUsbClk) );
 
rxStatusMonitor u_rxStatusMonitor
(.connectStateIn(connectStateIn),
.connectStateOut(connectStateOut),
.resumeDetectedIn(resumeDetectedIn),
.connectionEventOut(connectionEventFromRxStatusMon),
.resumeIntOut(resumeIntFromRxStatusMon),
.clk(usbClk),
.rst(rstSyncToUsbClk) );
 
endmodule
 
 
 
 
 
//////////////////////////////////////////////////////////////////////
//// ////
//// usbHostControl.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"
 
module usbHostControl(
busClk, rstSyncToBusClk,
usbClk, rstSyncToUsbClk,
//sendPacket
TxFifoRE, TxFifoData, TxFifoEmpty,
//getPacket
RxFifoWE, RxFifoData, RxFifoFull,
RxByteStatus, RxData, RxDataValid,
SIERxTimeOut, SIERxTimeOutEn,
//speedCtrlMux
fullSpeedRate, fullSpeedPol,
//HCTxPortArbiter
HCTxPortEn, HCTxPortRdy,
HCTxPortData, HCTxPortCtrl,
//rxStatusMonitor
connectStateIn,
resumeDetectedIn,
//USBHostControlBI
busAddress,
busDataIn,
busDataOut,
busWriteEn,
busStrobe_i,
SOFSentIntOut,
connEventIntOut,
resumeIntOut,
transDoneIntOut,
hostControlSelect
);
 
input busClk;
input rstSyncToBusClk;
input usbClk;
input rstSyncToUsbClk;
//sendPacket
output TxFifoRE;
input [7:0] TxFifoData;
input TxFifoEmpty;
//getPacket
output RxFifoWE;
output [7:0] RxFifoData;
input RxFifoFull;
input [7:0] RxByteStatus;
input [7:0] RxData;
input RxDataValid;
input SIERxTimeOut;
output SIERxTimeOutEn;
//speedCtrlMux
output fullSpeedRate;
output fullSpeedPol;
//HCTxPortArbiter
output HCTxPortEn;
input HCTxPortRdy;
output [7:0] HCTxPortData;
output [7:0] HCTxPortCtrl;
//rxStatusMonitor
input [1:0] connectStateIn;
input resumeDetectedIn;
//USBHostControlBI
input [3:0] busAddress;
input [7:0] busDataIn;
output [7:0] busDataOut;
input busWriteEn;
input busStrobe_i;
output SOFSentIntOut;
output connEventIntOut;
output resumeIntOut;
output transDoneIntOut;
input hostControlSelect;
 
wire busClk;
wire rstSyncToBusClk;
wire usbClk;
wire rstSyncToUsbClk;
wire [10:0] frameNum;
wire SOFSent;
wire TxFifoRE;
wire [7:0] TxFifoData;
wire TxFifoEmpty;
wire RxFifoWE;
wire [7:0] RxFifoData;
wire RxFifoFull;
wire [7:0] RxByteStatus;
wire [7:0] RxData;
wire RxDataValid;
wire SIERxTimeOut;
wire SIERxTimeOutEn;
wire fullSpeedRate;
wire fullSpeedPol;
wire HCTxPortEn;
wire HCTxPortRdy;
wire [7:0] HCTxPortData;
wire [7:0] HCTxPortCtrl;
wire [1:0] connectStateIn;
wire resumeDetectedIn;
wire [3:0] busAddress;
wire [7:0] busDataIn;
wire [7:0] busDataOut;
wire busWriteEn;
wire busStrobe_i;
wire SOFSentIntOut;
wire connEventIntOut;
wire resumeIntOut;
wire transDoneIntOut;
wire hostControlSelect;
 
//internal wiring
wire SOFTimerClr;
wire getPacketREn;
wire getPacketRdy;
wire HCTxGnt;
wire HCTxReq;
wire [3:0] HC_PID;
wire HC_SP_WEn;
wire SOFTxGnt;
wire SOFTxReq;
wire SOF_SP_WEn;
wire SOFEnable;
wire SOFSyncEn;
wire sendPacketCPReadyIn;
wire sendPacketCPReadyOut;
wire [3:0] sendPacketCPPIDIn;
wire [3:0] sendPacketCPPIDOut;
wire sendPacketCPWEnIn;
wire sendPacketCPWEnOut;
wire [7:0] SOFCntlCntl;
wire [7:0] SOFCntlData;
wire SOFCntlGnt;
wire SOFCntlReq;
wire SOFCntlWEn;
wire [7:0] directCntlCntl;
wire [7:0] directCntlData;
wire directCntlGnt;
wire directCntlReq;
wire directCntlWEn;
wire [7:0] sendPacketCntl;
wire [7:0] sendPacketData;
wire sendPacketGnt;
wire sendPacketReq;
wire sendPacketWEn;
wire [15:0] SOFTimer;
wire clrTxReq;
wire transDone;
wire transReq;
wire isoEn;
wire [1:0] transType;
wire preAmbleEnable;
wire [1:0] directLineState;
wire directLineCtrlEn;
wire [6:0] TxAddr;
wire [3:0] TxEndP;
wire [7:0] RxPktStatus;
wire [3:0] RxPID;
wire [1:0] connectStateOut;
wire resumeIntFromRxStatusMon;
wire connectionEventFromRxStatusMon;
 
USBHostControlBI u_USBHostControlBI
(.address(busAddress),
.dataIn(busDataIn),
.dataOut(busDataOut),
.writeEn(busWriteEn),
.strobe_i(busStrobe_i),
.busClk(busClk),
.rstSyncToBusClk(rstSyncToBusClk),
.usbClk(usbClk),
.rstSyncToUsbClk(rstSyncToUsbClk),
.SOFSentIntOut(SOFSentIntOut),
.connEventIntOut(connEventIntOut),
.resumeIntOut(resumeIntOut),
.transDoneIntOut(transDoneIntOut),
.TxTransTypeReg(transType),
.TxSOFEnableReg(SOFEnable),
.TxAddrReg(TxAddr),
.TxEndPReg(TxEndP),
.frameNumIn(frameNum),
.RxPktStatusIn(RxPktStatus),
.RxPIDIn(RxPID),
.connectStateIn(connectStateOut),
.SOFSentIn(SOFSent),
.connEventIn(connectionEventFromRxStatusMon),
.resumeIntIn(resumeIntFromRxStatusMon),
.transDoneIn(transDone),
.hostControlSelect(hostControlSelect),
.clrTransReq(clrTxReq),
.preambleEn(preAmbleEnable),
.SOFSync(SOFSyncEn),
.TxLineState(directLineState),
.LineDirectControlEn(directLineCtrlEn),
.fullSpeedPol(fullSpeedPol),
.fullSpeedRate(fullSpeedRate),
.transReq(transReq),
.isoEn(isoEn),
.SOFTimer(SOFTimer)
);
 
 
hostcontroller u_hostController
(.RXStatus(RxPktStatus),
.clearTXReq(clrTxReq),
.clk(usbClk),
.getPacketREn(getPacketREn),
.getPacketRdy(getPacketRdy),
.rst(rstSyncToUsbClk),
.sendPacketArbiterGnt(HCTxGnt),
.sendPacketArbiterReq(HCTxReq),
.sendPacketPID(HC_PID),
.sendPacketRdy(sendPacketCPReadyOut),
.sendPacketWEn(HC_SP_WEn),
.transDone(transDone),
.transReq(transReq),
.transType(transType),
.isoEn(isoEn) );
 
SOFController u_SOFController
(.HCTxPortCntl(SOFCntlCntl),
.HCTxPortData(SOFCntlData),
.HCTxPortGnt(SOFCntlGnt),
.HCTxPortRdy(HCTxPortRdy),
.HCTxPortReq(SOFCntlReq),
.HCTxPortWEn(SOFCntlWEn),
.SOFEnable(SOFEnable),
.SOFTimerClr(SOFTimerClr),
.SOFTimer(SOFTimer),
.clk(usbClk),
.rst(rstSyncToUsbClk) );
 
SOFTransmit u_SOFTransmit
(.SOFEnable(SOFEnable),
.SOFSent(SOFSent),
.SOFSyncEn(SOFSyncEn),
.SOFTimerClr(SOFTimerClr),
.SOFTimer(SOFTimer),
.clk(usbClk),
.rst(rstSyncToUsbClk),
.sendPacketArbiterGnt(SOFTxGnt),
.sendPacketArbiterReq(SOFTxReq),
.sendPacketRdy(sendPacketCPReadyOut),
.sendPacketWEn(SOF_SP_WEn),
.fullSpeedRate(fullSpeedRate) );
 
 
sendPacketArbiter u_sendPacketArbiter
(.HCTxGnt(HCTxGnt),
.HCTxReq(HCTxReq),
.HC_PID(HC_PID),
.HC_SP_WEn(HC_SP_WEn),
.SOFTxGnt(SOFTxGnt),
.SOFTxReq(SOFTxReq),
.SOF_SP_WEn(SOF_SP_WEn),
.clk(usbClk),
.rst(rstSyncToUsbClk),
.sendPacketPID(sendPacketCPPIDIn),
.sendPacketWEnable(sendPacketCPWEnIn) );
 
sendPacketCheckPreamble u_sendPacketCheckPreamble
(.sendPacketCPPID(sendPacketCPPIDIn),
.clk(usbClk),
.preAmbleEnable(preAmbleEnable),
.rst(rstSyncToUsbClk),
.sendPacketCPReady(sendPacketCPReadyOut),
.sendPacketCPWEn(sendPacketCPWEnIn),
.sendPacketPID(sendPacketCPPIDOut),
.sendPacketRdy(sendPacketCPReadyIn),
.sendPacketWEn(sendPacketCPWEnOut) );
 
sendPacket u_sendPacket
(.HCTxPortCntl(sendPacketCntl),
.HCTxPortData(sendPacketData),
.HCTxPortGnt(sendPacketGnt),
.HCTxPortRdy(HCTxPortRdy),
.HCTxPortReq(sendPacketReq),
.HCTxPortWEn(sendPacketWEn),
.PID(sendPacketCPPIDOut),
.TxAddr(TxAddr),
.TxEndP(TxEndP),
.clk(usbClk),
.fifoData(TxFifoData),
.fifoEmpty(TxFifoEmpty),
.fifoReadEn(TxFifoRE),
.frameNum(frameNum),
.rst(rstSyncToUsbClk),
.sendPacketRdy(sendPacketCPReadyIn),
.sendPacketWEn(sendPacketCPWEnOut),
.fullSpeedPolarity(fullSpeedPol) );
directControl u_directControl
(.HCTxPortCntl(directCntlCntl),
.HCTxPortData(directCntlData),
.HCTxPortGnt(directCntlGnt),
.HCTxPortRdy(HCTxPortRdy),
.HCTxPortReq(directCntlReq),
.HCTxPortWEn(directCntlWEn),
.clk(usbClk),
.directControlEn(directLineCtrlEn),
.directControlLineState(directLineState),
.rst(rstSyncToUsbClk) );
 
HCTxPortArbiter u_HCTxPortArbiter
(.HCTxPortCntl(HCTxPortCtrl),
.HCTxPortData(HCTxPortData),
.HCTxPortWEnable(HCTxPortEn),
.SOFCntlCntl(SOFCntlCntl),
.SOFCntlData(SOFCntlData),
.SOFCntlGnt(SOFCntlGnt),
.SOFCntlReq(SOFCntlReq),
.SOFCntlWEn(SOFCntlWEn),
.clk(usbClk),
.directCntlCntl(directCntlCntl),
.directCntlData(directCntlData),
.directCntlGnt(directCntlGnt),
.directCntlReq(directCntlReq),
.directCntlWEn(directCntlWEn),
.rst(rstSyncToUsbClk),
.sendPacketCntl(sendPacketCntl),
.sendPacketData(sendPacketData),
.sendPacketGnt(sendPacketGnt),
.sendPacketReq(sendPacketReq),
.sendPacketWEn(sendPacketWEn) );
 
getPacket u_getPacket
(.RXDataIn(RxData),
.RXDataValid(RxDataValid),
.RXFifoData(RxFifoData),
.RXFifoFull(RxFifoFull),
.RXFifoWEn(RxFifoWE),
.RXPacketRdy(getPacketRdy),
.RXPktStatus(RxPktStatus),
.RXStreamStatusIn(RxByteStatus),
.RxPID(RxPID),
.SIERxTimeOut(SIERxTimeOut),
.SIERxTimeOutEn(SIERxTimeOutEn),
.clk(usbClk),
.getPacketEn(getPacketREn),
.rst(rstSyncToUsbClk) );
 
rxStatusMonitor u_rxStatusMonitor
(.connectStateIn(connectStateIn),
.connectStateOut(connectStateOut),
.resumeDetectedIn(resumeDetectedIn),
.connectionEventOut(connectionEventFromRxStatusMon),
.resumeIntOut(resumeIntFromRxStatusMon),
.clk(usbClk),
.rst(rstSyncToUsbClk) );
 
endmodule
 
 
 
 
 
/softransmit.v
1,202 → 1,209
 
// File : ../RTL/hostController/softransmit.v
// Generated : 11/10/06 05:37:21
// From : ../RTL/hostController/softransmit.asf
// By : FSM2VHDL ver. 5.0.0.9
 
//////////////////////////////////////////////////////////////////////
//// ////
//// softransmit
//// ////
//// This file is part of the usbhostslave opencores effort.
//// http://www.opencores.org/cores/usbhostslave/ ////
//// ////
//// 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 "usbHostControl_h.v"
 
 
module SOFTransmit (SOFEnable, SOFSent, SOFSyncEn, SOFTimerClr, SOFTimer, clk, rst, sendPacketArbiterGnt, sendPacketArbiterReq, sendPacketRdy, sendPacketWEn);
input SOFEnable; // After host software asserts SOFEnable, must wait TBD time before asserting SOFSyncEn
input SOFSyncEn;
input [15:0] SOFTimer;
input clk;
input rst;
input sendPacketArbiterGnt;
input sendPacketRdy;
output SOFSent; // single cycle pulse
output SOFTimerClr; // Single cycle pulse
output sendPacketArbiterReq;
output sendPacketWEn;
 
wire SOFEnable;
reg SOFSent, next_SOFSent;
wire SOFSyncEn;
reg SOFTimerClr, next_SOFTimerClr;
wire [15:0] SOFTimer;
wire clk;
wire rst;
wire sendPacketArbiterGnt;
reg sendPacketArbiterReq, next_sendPacketArbiterReq;
wire sendPacketRdy;
reg sendPacketWEn, next_sendPacketWEn;
 
// diagram signals declarations
reg [7:0]i, next_i;
 
// BINARY ENCODED state machine: SOFTx
// State codes definitions:
`define START_STX 3'b000
`define WAIT_SOF_NEAR 3'b001
`define WAIT_SP_GNT 3'b010
`define WAIT_SOF_NOW 3'b011
`define SOF_FIN 3'b100
`define DLY_SOF_CHK1 3'b101
`define DLY_SOF_CHK2 3'b110
 
reg [2:0] CurrState_SOFTx;
reg [2:0] NextState_SOFTx;
 
 
//--------------------------------------------------------------------
// Machine: SOFTx
//--------------------------------------------------------------------
//----------------------------------
// Next State Logic (combinatorial)
//----------------------------------
always @ (i or SOFTimer or SOFSyncEn or SOFEnable or sendPacketArbiterGnt or sendPacketRdy or sendPacketArbiterReq or sendPacketWEn or SOFTimerClr or SOFSent or CurrState_SOFTx)
begin : SOFTx_NextState
NextState_SOFTx <= CurrState_SOFTx;
// Set default values for outputs and signals
next_sendPacketArbiterReq <= sendPacketArbiterReq;
next_sendPacketWEn <= sendPacketWEn;
next_SOFTimerClr <= SOFTimerClr;
next_SOFSent <= SOFSent;
next_i <= i;
case (CurrState_SOFTx)
`START_STX:
NextState_SOFTx <= `WAIT_SOF_NEAR;
`WAIT_SOF_NEAR:
if (SOFTimer >= `SOF_TX_TIME - `SOF_TX_MARGIN ||
(SOFSyncEn == 1'b1 &&
SOFEnable == 1'b1))
begin
NextState_SOFTx <= `WAIT_SP_GNT;
next_sendPacketArbiterReq <= 1'b1;
end
`WAIT_SP_GNT:
if (sendPacketArbiterGnt == 1'b1 && sendPacketRdy == 1'b1)
NextState_SOFTx <= `WAIT_SOF_NOW;
`WAIT_SOF_NOW:
if (SOFTimer >= `SOF_TX_TIME)
begin
NextState_SOFTx <= `SOF_FIN;
next_sendPacketWEn <= 1'b1;
next_SOFTimerClr <= 1'b1;
next_SOFSent <= 1'b1;
end
else if (SOFEnable == 1'b0)
begin
NextState_SOFTx <= `SOF_FIN;
next_SOFTimerClr <= 1'b1;
end
`SOF_FIN:
begin
next_sendPacketWEn <= 1'b0;
next_SOFTimerClr <= 1'b0;
next_SOFSent <= 1'b0;
if (sendPacketRdy == 1'b1)
begin
NextState_SOFTx <= `DLY_SOF_CHK1;
next_i <= 8'h00;
end
end
`DLY_SOF_CHK1:
begin
next_i <= i + 1'b1;
if (i==8'hff)
begin
NextState_SOFTx <= `DLY_SOF_CHK2;
next_sendPacketArbiterReq <= 1'b0;
next_i <= 8'h00;
end
end
`DLY_SOF_CHK2:
begin
next_i <= i + 1'b1;
if (i==8'hff)
NextState_SOFTx <= `WAIT_SOF_NEAR;
end
endcase
end
 
//----------------------------------
// Current State Logic (sequential)
//----------------------------------
always @ (posedge clk)
begin : SOFTx_CurrentState
if (rst)
CurrState_SOFTx <= `START_STX;
else
CurrState_SOFTx <= NextState_SOFTx;
end
 
//----------------------------------
// Registered outputs logic
//----------------------------------
always @ (posedge clk)
begin : SOFTx_RegOutput
if (rst)
begin
i <= 8'h00;
SOFSent <= 1'b0;
SOFTimerClr <= 1'b0;
sendPacketArbiterReq <= 1'b0;
sendPacketWEn <= 1'b0;
end
else
begin
i <= next_i;
SOFSent <= next_SOFSent;
SOFTimerClr <= next_SOFTimerClr;
sendPacketArbiterReq <= next_sendPacketArbiterReq;
sendPacketWEn <= next_sendPacketWEn;
end
end
 
endmodule
 
// File : ../RTL/hostController/softransmit.v
// Generated : 11/10/06 05:37:21
// From : ../RTL/hostController/softransmit.asf
// By : FSM2VHDL ver. 5.0.0.9
 
//////////////////////////////////////////////////////////////////////
//// ////
//// softransmit
//// ////
//// This file is part of the usbhostslave opencores effort.
//// http://www.opencores.org/cores/usbhostslave/ ////
//// ////
//// 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 "usbHostControl_h.v"
 
 
module SOFTransmit (SOFEnable, SOFSent, SOFSyncEn, SOFTimerClr, SOFTimer, clk, rst, sendPacketArbiterGnt, sendPacketArbiterReq, sendPacketRdy, sendPacketWEn, fullSpeedRate);
input SOFEnable; // After host software asserts SOFEnable, must wait TBD time before asserting SOFSyncEn
input SOFSyncEn;
input [15:0] SOFTimer;
input clk;
input rst;
input sendPacketArbiterGnt;
input sendPacketRdy;
output SOFSent; // single cycle pulse
output SOFTimerClr; // Single cycle pulse
output sendPacketArbiterReq;
output sendPacketWEn;
input fullSpeedRate;
 
wire SOFEnable;
reg SOFSent, next_SOFSent;
wire SOFSyncEn;
reg SOFTimerClr, next_SOFTimerClr;
wire [15:0] SOFTimer;
wire clk;
wire rst;
wire sendPacketArbiterGnt;
reg sendPacketArbiterReq, next_sendPacketArbiterReq;
wire sendPacketRdy;
reg sendPacketWEn, next_sendPacketWEn;
reg [15:0] SOFNearTime;
 
// diagram signals declarations
reg [7:0]i, next_i;
 
// BINARY ENCODED state machine: SOFTx
// State codes definitions:
`define START_STX 3'b000
`define WAIT_SOF_NEAR 3'b001
`define WAIT_SP_GNT 3'b010
`define WAIT_SOF_NOW 3'b011
`define SOF_FIN 3'b100
`define DLY_SOF_CHK1 3'b101
`define DLY_SOF_CHK2 3'b110
 
reg [2:0] CurrState_SOFTx;
reg [2:0] NextState_SOFTx;
 
 
//--------------------------------------------------------------------
// Machine: SOFTx
//--------------------------------------------------------------------
//----------------------------------
// Next State Logic (combinatorial)
//----------------------------------
always @ (i or SOFTimer or SOFSyncEn or SOFEnable or sendPacketArbiterGnt or sendPacketRdy or sendPacketArbiterReq or sendPacketWEn or SOFTimerClr or SOFSent or CurrState_SOFTx)
begin : SOFTx_NextState
NextState_SOFTx <= CurrState_SOFTx;
// Set default values for outputs and signals
next_sendPacketArbiterReq <= sendPacketArbiterReq;
next_sendPacketWEn <= sendPacketWEn;
next_SOFTimerClr <= SOFTimerClr;
next_SOFSent <= SOFSent;
next_i <= i;
case (CurrState_SOFTx)
`START_STX:
NextState_SOFTx <= `WAIT_SOF_NEAR;
`WAIT_SOF_NEAR:
if (SOFTimer >= SOFNearTime ||
(SOFSyncEn == 1'b1 &&
SOFEnable == 1'b1))
begin
NextState_SOFTx <= `WAIT_SP_GNT;
next_sendPacketArbiterReq <= 1'b1;
end
`WAIT_SP_GNT:
if (sendPacketArbiterGnt == 1'b1 && sendPacketRdy == 1'b1)
NextState_SOFTx <= `WAIT_SOF_NOW;
`WAIT_SOF_NOW:
if (SOFTimer >= `SOF_TX_TIME)
begin
NextState_SOFTx <= `SOF_FIN;
next_sendPacketWEn <= 1'b1;
next_SOFTimerClr <= 1'b1;
next_SOFSent <= 1'b1;
end
else if (SOFEnable == 1'b0)
begin
NextState_SOFTx <= `SOF_FIN;
next_SOFTimerClr <= 1'b1;
end
`SOF_FIN:
begin
next_sendPacketWEn <= 1'b0;
next_SOFTimerClr <= 1'b0;
next_SOFSent <= 1'b0;
if (sendPacketRdy == 1'b1)
begin
NextState_SOFTx <= `DLY_SOF_CHK1;
next_i <= 8'h00;
end
end
`DLY_SOF_CHK1:
begin
next_i <= i + 1'b1;
if (i==8'hff)
begin
NextState_SOFTx <= `DLY_SOF_CHK2;
next_sendPacketArbiterReq <= 1'b0;
next_i <= 8'h00;
end
end
`DLY_SOF_CHK2:
begin
next_i <= i + 1'b1;
if (i==8'hff)
NextState_SOFTx <= `WAIT_SOF_NEAR;
end
endcase
end
 
//----------------------------------
// Current State Logic (sequential)
//----------------------------------
always @ (posedge clk)
begin : SOFTx_CurrentState
if (rst)
CurrState_SOFTx <= `START_STX;
else
CurrState_SOFTx <= NextState_SOFTx;
end
 
//----------------------------------
// Registered outputs logic
//----------------------------------
always @ (posedge clk)
begin : SOFTx_RegOutput
if (rst)
begin
i <= 8'h00;
SOFSent <= 1'b0;
SOFTimerClr <= 1'b0;
sendPacketArbiterReq <= 1'b0;
sendPacketWEn <= 1'b0;
SOFNearTime <= 16'h0000;
end
else
begin
i <= next_i;
SOFSent <= next_SOFSent;
SOFTimerClr <= next_SOFTimerClr;
sendPacketArbiterReq <= next_sendPacketArbiterReq;
sendPacketWEn <= next_sendPacketWEn;
if (fullSpeedRate == 1'b1)
SOFNearTime <= `SOF_TX_TIME - `SOF_TX_MARGIN;
else
SOFNearTime <= `SOF_TX_TIME - `SOF_TX_MARGIN_LOW_SPEED;
end
end
 
endmodule

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