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// Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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/**
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@file
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@internalTechnology
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*/
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#include <e32base.h>
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#include <d32usbc.h>
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#include "mstypes.h"
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#include "msctypes.h"
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#include "usbmsclientpanic.h"
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#include "botmsctypes.h"
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#include "testman.h"
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#include "botmscserver.h"
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#include "mdevicetransport.h"
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#include "mserverprotocol.h"
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#include "cbulkonlytransport.h"
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#include "cusbmassstoragecontroller.h"
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#include "botcontrolinterface.h"
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#include "debug.h"
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TTestConfig::TTestConfig()
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: iTestMode(ENone)
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{
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}
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////////////////////////////////////
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/**
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Called by CBulkOnlyTransport to create an instance of CControlInterface
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@param aParent reference to the CBulkOnlyTransport
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*/
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CBotControlInterface* CBotControlInterface::NewL(CBulkOnlyTransport& aParent)
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{
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CBotControlInterface* self = new(ELeave) CBotControlInterface(aParent);
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CleanupStack::PushL(self);
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self->ConstructL();
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CActiveScheduler::Add(self);
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CleanupStack::Pop();
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return self;
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}
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void CBotControlInterface::ConstructL()
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{
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}
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/**
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c'tor
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@param aParent reference to the CBulkOnlyTransport
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*/
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CBotControlInterface::CBotControlInterface(CBulkOnlyTransport& aParent):
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CActive(EPriorityStandard),
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iParent(aParent),
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iCurrentState(ENone)
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{
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}
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/**
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d'tor
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*/
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CBotControlInterface::~CBotControlInterface()
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{
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Cancel();
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}
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/**
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Called by CBulkOnlyTransportStart to start control interface
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*/
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TInt CBotControlInterface::Start()
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{
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if (IsActive())
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{
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__PRINT(_L("Still active\n"));
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return KErrServerBusy;
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}
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ReadEp0Data();
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return KErrNone;
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}
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/**
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Called by CBulkOnlyTransportStart to stop control interface
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*/
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void CBotControlInterface::Stop()
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{
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if (!IsActive())
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{
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__PRINT(_L("Not active\n"));
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return;
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}
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__PRINT(_L("\nStopping...\n"));
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iCurrentState = ENone;
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Cancel();
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}
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/**
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Cancel outstanding request (if any)
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*/
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void CBotControlInterface::DoCancel()
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{
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switch(iCurrentState)
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{
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case EReadEp0Data:
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iParent.Ldd().ReadCancel(EEndpoint0);
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break;
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case ESendMaxLun:
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iParent.Ldd().WriteCancel(EEndpoint0);
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break;
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default:
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__PRINT(_L("\nWrong state !\n"));
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__ASSERT_DEBUG(EFalse, User::Panic(KUsbMsClientPanicCat, EMsControlInterfaceBadState));
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}
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}
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/**
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Implement CBotControlInterface state machine
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*/
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void CBotControlInterface::RunL()
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{
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if (iStatus != KErrNone)
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{
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__PRINT1(_L("Error %d in RunL\n"), iStatus.Int());
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//read EP0 again
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ReadEp0Data();
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return;
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}
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switch (iCurrentState)
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{
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case ESendMaxLun:
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ReadEp0Data();
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break;
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case EReadEp0Data:
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DecodeEp0Data();
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break;
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default:
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__PRINT(_L(" error: (Shouldn't end up here...)\n"));
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__ASSERT_DEBUG(EFalse, User::Panic(KUsbMsClientPanicCat, EMsControlInterfaceBadState));
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break;
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}
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}
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/**
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Post a read request to EEndpoint0 to read request header
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*/
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void CBotControlInterface::ReadEp0Data()
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{
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iParent.Ldd().Read(iStatus, EEndpoint0, iData, KRequestHdrSize);
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iCurrentState = EReadEp0Data;
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SetActive();
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}
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/**
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Decode request header and do appropriate action - get max LUN info or post a reset request
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*/
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void CBotControlInterface::DecodeEp0Data()
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{
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TInt err = iRequestHeader.Decode(iData);
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if (err != KErrNone)
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return;
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switch(iRequestHeader.iRequest)
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{
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//
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// GET MAX LUN (0xFE)
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//
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case TBotFunctionReqCb::EReqGetMaxLun:
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{
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__PRINT1(_L("DecodeEp0Data : 'Get Max LUN' Request MaxLun = %d"),iParent.MaxLun());
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if ( iRequestHeader.iRequestType != 0xA1 //value from USB MS BOT spec
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|| iRequestHeader.iIndex > 15
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|| iRequestHeader.iValue != 0
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|| iRequestHeader.iLength != 1)
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{
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__PRINT(_L("GetMaxLun command packet check error"));
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iParent.Ldd().EndpointZeroRequestError();
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ReadEp0Data(); //try to get another request
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}
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else
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{
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iData.FillZ(1); //Return only 1 byte to host
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iData[0] = static_cast<TUint8>(iParent.MaxLun()); // Supported Units
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iParent.Ldd().Write(iStatus, EEndpoint0, iData, 1);
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iCurrentState = ESendMaxLun;
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SetActive();
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}
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}
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break;
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//
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// RESET (0xFF)
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//
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case TBotFunctionReqCb::EReqReset:
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{
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__PRINT(_L("DecodeEp0Data : 'Mass Storage Reset' Request"));
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__TESTMODEPRINT("------- BOT RESET ------");
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if ( iRequestHeader.iRequestType != 0x21 //value from USB MS BOT spec
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|| iRequestHeader.iIndex > 15
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|| iRequestHeader.iValue != 0
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|| iRequestHeader.iLength != 0)
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{
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__PRINT(_L("MSC Reset command packet check error"));
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iParent.Ldd().EndpointZeroRequestError();
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ReadEp0Data(); //try to get another request
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}
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else
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{
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iParent.HwStop();
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iParent.Controller().Reset();
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iParent.HwStart(ETrue);
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iParent.Ldd().SendEp0StatusPacket();
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}
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}
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break;
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//
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// Unknown?
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//
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default:
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__PRINT(_L("DecodeEp0Data : Unknown Request"));
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ReadEp0Data(); //try to get another request
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break;
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}
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}
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