sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0: */
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <d32usbdi_hubdriver.h>
sl@0: #include <d32usbdi.h>
sl@0: #include <d32otgdi.h>
sl@0: #include <d32usbdescriptors.h>
sl@0: #include <d32usbtransfers.h>
sl@0: #include "botmsctypes.h"
sl@0: #include "msctypes.h"
sl@0: #include "mtransport.h"
sl@0: #include "mprotocol.h"
sl@0: #include "cusbifacehandler.h"
sl@0: #include "cbulkonlytransport.h"
sl@0: #include "debug.h"
sl@0: #include "msdebug.h"
sl@0: 
sl@0: CUsbInterfaceHandler* CUsbInterfaceHandler::NewL(RUsbInterface &aInterface)
sl@0: 	{
sl@0: 	return new (ELeave) CUsbInterfaceHandler(aInterface);
sl@0: 	}
sl@0: 
sl@0: CUsbInterfaceHandler::CUsbInterfaceHandler(RUsbInterface &aInterface)
sl@0: :	CActive(EPriorityStandard),
sl@0: 	iInterface(aInterface)
sl@0: 	{
sl@0:     __MSFNLOG
sl@0: 	CActiveScheduler::Add(this);
sl@0: 	}
sl@0: 
sl@0: CUsbInterfaceHandler::~CUsbInterfaceHandler()
sl@0: 	{
sl@0:     __MSFNLOG
sl@0: 	if (iState != ENone)
sl@0: 		{
sl@0: 		iState = ENone;
sl@0: 		iBotGetMaxLun.Complete(KErrCancel);
sl@0: 		Cancel();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Cancellation of outstanding request
sl@0: */
sl@0: void CUsbInterfaceHandler::DoCancel()
sl@0: 	{
sl@0:     __MSFNLOG
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Completion of USB transport request.
sl@0: */
sl@0: void CUsbInterfaceHandler::RunL()
sl@0:     {
sl@0:     __MSFNLOG
sl@0: 	TInt error = iStatus.Int();
sl@0: 
sl@0: 	if (error == KErrUsbStalled && iState == EGetMaxLun)
sl@0:         {
sl@0: 		__BOTPRINT(_L("...KErrUsbStalled"));
sl@0: 		iState = EReset;
sl@0: 		Reset();
sl@0: 		return;
sl@0:         }
sl@0: 
sl@0: 	if (error == KErrNone)
sl@0:         {
sl@0: 		__BOTPRINT(_L("...KErrNone"));
sl@0: 
sl@0: 		if (iState == EGetMaxLun)
sl@0:             {
sl@0: 			__BOTPRINT(_L("...sending GetMaxLun response"));
sl@0: 			*ipGetMaxLun = iBuffer[0];
sl@0:             }
sl@0: 		else
sl@0:             {
sl@0: 			__BOTPRINT(_L("...defaulting to 0"));
sl@0: 			*ipGetMaxLun = 0;
sl@0:             }
sl@0:         }
sl@0:     else
sl@0:         {
sl@0:         __BOTPRINT(_L("...completeing with KErrGeneral"));
sl@0:         error = KErrGeneral;
sl@0:         }
sl@0: 
sl@0:     iState = ENone;
sl@0: 	iBotGetMaxLun.Complete(error);
sl@0:     }
sl@0: 
sl@0: 
sl@0: void CUsbInterfaceHandler::GetMaxLun(TLun* aMaxLun, const RMessage2& aMessage)
sl@0: 	{
sl@0:     __MSFNLOG
sl@0: 
sl@0: 	/* Send the Get max lun command in the ep0 */
sl@0: 	RUsbInterface::TUsbTransferRequestDetails reqDetails;
sl@0: 	_LIT8(KNullDesC8,"");
sl@0: 	iBotGetMaxLun = aMessage;
sl@0: 	iState = EGetMaxLun;
sl@0: 	ipGetMaxLun = aMaxLun;
sl@0: 
sl@0: 	reqDetails.iRequestType = 0xA1;
sl@0: 	reqDetails.iRequest = 0xFE;
sl@0: 	reqDetails.iValue = 0x0000;
sl@0: 	reqDetails.iIndex = 0x0000;
sl@0: 	reqDetails.iFlags = 0x04;		// Short transfer OK
sl@0: 
sl@0: 	iBuffer.SetLength(1);
sl@0: 	iInterface.Ep0Transfer(reqDetails, KNullDesC8, iBuffer, iStatus);
sl@0: 	SetActive();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CUsbInterfaceHandler::Reset()
sl@0: 	{
sl@0:     __MSFNLOG
sl@0: 	RUsbInterface::TUsbTransferRequestDetails reqDetails;
sl@0: 	_LIT8(KNullDesC8,"");
sl@0: 
sl@0: 	reqDetails.iRequestType = 0x21;
sl@0: 	reqDetails.iRequest = 0xFF;
sl@0: 	reqDetails.iValue = 0x0000;
sl@0: 	reqDetails.iIndex = 0x0000;
sl@0: 	reqDetails.iFlags = 0x04;		// Short transfer OK
sl@0: 
sl@0: 	iInterface.Ep0Transfer(reqDetails, KNullDesC8, (TDes8 &) KNullDesC8, iStatus);
sl@0:     SetActive();
sl@0: 	}