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: // @file PBASE-T_USBDI-0497.cpp
sl@0: // @internalComponent
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include "PBASE-T_USBDI-0497.h"
sl@0: #include "testpolicy.h"
sl@0: #include "modelleddevices.h"
sl@0: #include "testliterals.h"
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: namespace NUnitTesting_USBDI
sl@0: 	{
sl@0: const TInt KBulkMaxTransferSize = 40000;
sl@0: const TUint KHostNumWriteBytes1 = 32000;
sl@0: const TUint KHostNumWriteBytes2 = 32000;
sl@0: const TInt KDeviceNumReadBytes = 64000;
sl@0: const TUint KHostNumReadBytes1 = 32000;
sl@0: const TUint KHostNumReadBytes2 = 32001; //allow or ZLP
sl@0: 
sl@0: 
sl@0: //Make these single bit values ... 
sl@0: // ... so that their completion can be easily recorded in a bit mask!
sl@0: const TUint32 KIfc1BulkTransferInId1  = 1<<0;
sl@0: const TUint32 KIfc1BulkTransferInId2  = 1<<1;
sl@0: const TUint32 KIfc2BulkTransferInId1  = 1<<2;
sl@0: const TUint32 KIfc2BulkTransferInId2  = 1<<3;
sl@0: const TUint32 KIfc1BulkTransferInIdMask = KIfc1BulkTransferInId1 | KIfc1BulkTransferInId2; 
sl@0: const TUint32 KIfc2BulkTransferInIdMask = KIfc2BulkTransferInId1 | KIfc2BulkTransferInId2;
sl@0: const TUint32 KBulkTransferInIdMask = KIfc1BulkTransferInIdMask | KIfc2BulkTransferInIdMask;
sl@0: const TUint32 KIfc1BulkTransferOutId1 = 1<<4;
sl@0: const TUint32 KIfc1BulkTransferOutId2 = 1<<5;
sl@0: const TUint32 KIfc2BulkTransferOutId1 = 1<<6;
sl@0: const TUint32 KIfc2BulkTransferOutId2 = 1<<7;
sl@0: const TUint32 KIfc1BulkTransferOutIdMask = KIfc1BulkTransferOutId1 | KIfc1BulkTransferOutId2; 
sl@0: const TUint32 KIfc2BulkTransferOutIdMask = KIfc2BulkTransferOutId1 | KIfc2BulkTransferOutId2;
sl@0: const TUint32 KBulkTransferOutIdMask = KIfc1BulkTransferOutIdMask | KIfc2BulkTransferOutIdMask;
sl@0: 
sl@0: const TInt KUnexpectedTransferID = -101;
sl@0: const TInt KUndefinedStep	 = -102;
sl@0: 
sl@0: const TInt KMaxTimeDiffPercentage = 60;
sl@0: 
sl@0: 
sl@0: 
sl@0: _LIT(KTestCaseId,"PBASE-T_USBDI-0497");
sl@0: const TFunctorTestCase<CUT_PBASE_T_USBDI_0497,TBool> CUT_PBASE_T_USBDI_0497::iFunctor(KTestCaseId);	
sl@0: 
sl@0: CUT_PBASE_T_USBDI_0497* CUT_PBASE_T_USBDI_0497::NewL(TBool aHostRole)
sl@0: 	{
sl@0: 	CUT_PBASE_T_USBDI_0497* self = new (ELeave) CUT_PBASE_T_USBDI_0497(aHostRole);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 	
sl@0: 
sl@0: CUT_PBASE_T_USBDI_0497::CUT_PBASE_T_USBDI_0497(TBool aHostRole)
sl@0: :	CBaseBulkTestCase(KTestCaseId,aHostRole),
sl@0: 	iCaseStep(EInProgress)
sl@0: 	{
sl@0: 	} 
sl@0: 
sl@0: 
sl@0: void CUT_PBASE_T_USBDI_0497::ConstructL()
sl@0: 	{
sl@0: 	BaseBulkConstructL();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CUT_PBASE_T_USBDI_0497::~CUT_PBASE_T_USBDI_0497()
sl@0: 	/**
sl@0: 	The transfer objects have test specific names - so perform transfer specific clean up here.
sl@0: 	*/
sl@0: 	{
sl@0: 	LOG_FUNC
sl@0: 	
sl@0: 	Cancel();
sl@0: 
sl@0: 	//Do this before deleting the transfer objects
sl@0: 	CloseInterfaceAndPipes();
sl@0: 	
sl@0: 	TUint8 count;
sl@0: 	for(count=0;count<KNumOutTransfersPerInterface;count++)
sl@0: 		{
sl@0: 		delete iIfc1OutTransfer[count];
sl@0: 		iIfc1OutTransfer[count] = NULL;
sl@0: 		delete iIfc2OutTransfer[count];
sl@0: 		iIfc2OutTransfer[count] = NULL;
sl@0: 		}
sl@0: 	for(count=0;count<KNumInTransfersPerInterface;count++)
sl@0: 		{
sl@0: 		delete iIfc1InTransfer[count];
sl@0: 		iIfc1InTransfer[count] = NULL;
sl@0: 		delete iIfc2InTransfer[count];
sl@0: 		iIfc2InTransfer[count] = NULL;
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: 	
sl@0: void CUT_PBASE_T_USBDI_0497::Ep0TransferCompleteL(TInt aCompletionCode)
sl@0: 	{
sl@0: 	LOG_FUNC
sl@0: 	
sl@0: 	RDebug::Printf("Ep0TransferCompleteL with aCompletionCode = %d",aCompletionCode);
sl@0: 	
sl@0: 	if(aCompletionCode != KErrNone)
sl@0: 		{
sl@0: 		if(iCaseStep == EFailed)
sl@0: 			{// ignore error, nad catch the TestFailed method called further down.
sl@0: 			RDebug::Printf("***Failure sending FAIL message to client on endpoint 0***");
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			TBuf<256> msg;
sl@0: 			msg.Format(_L("<Error %d> Transfer to control endpoint 0 was not successful"),aCompletionCode);
sl@0: 			RDebug::Print(msg);
sl@0: 			iCaseStep = EFailed;
sl@0: 			TTestCaseFailed request(aCompletionCode,msg);
sl@0: 			iControlEp0->SendRequest(request,this);
sl@0: 			return;
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	switch(iCaseStep)
sl@0: 		{
sl@0: 		// Test case passed
sl@0: 		case EPassed:
sl@0: 			TestPassed();
sl@0: 			break;
sl@0: 		
sl@0: 		// Test case failed	
sl@0: 		case EFailed:
sl@0: 			TestFailed(KErrCompletion);
sl@0: 			break;
sl@0: 		
sl@0: 		case ERequestDeviceRead:
sl@0: 			{
sl@0: 			RDebug::Printf("Asking client for 'Read' on interface 2");
sl@0: 			iCaseStep = ETransferOut;	
sl@0: 			TEndpointReadRequest request(2,1,KDeviceNumReadBytes);// EP1 means endpoint index 1 not the actual endpoint number
sl@0: 			iControlEp0->SendRequest(request,this);
sl@0: 			}
sl@0: 			break;
sl@0: 			
sl@0: 		case ETransferOut:
sl@0: 			RDebug::Printf("Try to write data on BOTH interfaces");
sl@0: 	
sl@0: 			iStartTime[0].HomeTime();
sl@0: 			iStartTime[1].HomeTime();
sl@0: 	
sl@0: 			iIfc1OutTransfer[0]->TransferOut(KLiteralFrench4(), KHostNumWriteBytes1, EFalse);
sl@0: 			iIfc1OutTransfer[1]->TransferOut(KLiteralFrench4(), KHostNumWriteBytes1, KHostNumWriteBytes2, EFalse);
sl@0: 			iIfc2OutTransfer[0]->TransferOut(KLiteralEnglish8(), KHostNumWriteBytes1, EFalse);
sl@0: 			iIfc2OutTransfer[1]->TransferOut(KLiteralEnglish8(), KHostNumWriteBytes1, KHostNumWriteBytes2, EFalse);
sl@0: 			break;
sl@0: 		
sl@0: 		case ERequestDeviceWriteBack:
sl@0: 			{
sl@0: 			RDebug::Printf("Asking client for 'Write' back on interface 2");
sl@0: 			iCaseStep = ETransferIn;	
sl@0: 			TWriteCachedReadDataRequest request(2,1,1);// EP1 means endpoint index 1 not the actual endpoint number
sl@0: 			iControlEp0->SendRequest(request,this);
sl@0: 			}
sl@0: 			break;
sl@0: 			
sl@0: 		case ETransferIn:
sl@0: 			RDebug::Printf("Try to receive data on BOTH interfaces");
sl@0: 	
sl@0: 			iStartTime[0].HomeTime();
sl@0: 			iStartTime[1].HomeTime();
sl@0: 			
sl@0: 			iIfc1InTransfer[0]->TransferIn(KHostNumReadBytes1);
sl@0: 			iIfc1InTransfer[1]->TransferIn(KHostNumReadBytes2);
sl@0: 			iIfc2InTransfer[0]->TransferIn(KHostNumReadBytes1);
sl@0: 			iIfc2InTransfer[1]->TransferIn(KHostNumReadBytes2);
sl@0: 			break;
sl@0: 	
sl@0: 		default:
sl@0: 			RDebug::Printf("<Error> Unknown test step");
sl@0: 			TestFailed(KErrUnknown);
sl@0: 			break;
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: void CUT_PBASE_T_USBDI_0497::TransferCompleteL(TInt aTransferId,TInt aCompletionCode)
sl@0: 	{
sl@0: 	LOG_FUNC
sl@0: 	Cancel();
sl@0: 	
sl@0: 	TInt err(KErrNone);
sl@0: 	TBuf<256> msg;
sl@0: 	RDebug::Printf("Transfer completed (id=%d), aCompletionCode = %d, test step = %d",aTransferId, aCompletionCode, iCaseStep);
sl@0: 
sl@0: 	switch(iCaseStep)
sl@0: 		{
sl@0: 		case ETransferOut:
sl@0: 			if(aCompletionCode != KErrNone)
sl@0: 				{
sl@0: 				iIfc1OutTransfer[0]->Cancel();
sl@0: 				iIfc1OutTransfer[1]->Cancel();
sl@0: 				iIfc2OutTransfer[0]->Cancel();
sl@0: 				iIfc2OutTransfer[1]->Cancel();
sl@0: 				err = KErrCorrupt;
sl@0: 				msg.Format(_L("<Error %d> The transfer completed with an error."), aCompletionCode);
sl@0: 				break; //switch(iCaseStep)
sl@0: 				}
sl@0: 	
sl@0: 			switch(aTransferId)
sl@0: 				{
sl@0: 				case KIfc1BulkTransferOutId1:
sl@0: 				case KIfc1BulkTransferOutId2:
sl@0: 				case KIfc2BulkTransferOutId1:
sl@0: 				case KIfc2BulkTransferOutId2:
sl@0: 					iTransferComplete |= aTransferId;
sl@0: 					RDebug::Printf("Transfer OUT %d completed (Transfer Completion Aggregation Mask 0x%x)", aTransferId, iTransferComplete);
sl@0: 					break; //switch(aTransferId)
sl@0: 				default:
sl@0: 					iTransferComplete = 0; //reset
sl@0: 					err = KUnexpectedTransferID;
sl@0: 					msg.Format(_L("<Error %d> Unexpected transfer ID, wanted %d or %d, got %d"),
sl@0: 							       err, KIfc1BulkTransferInId1, KIfc1BulkTransferInId2, aTransferId);
sl@0: 					break; //switch(aTransferId)
sl@0: 				}
sl@0: 			
sl@0: 			if(err==KErrNone && iTimeElapsed[0] == 0 && (iTransferComplete & KIfc1BulkTransferOutIdMask) == KIfc1BulkTransferOutIdMask) 
sl@0: 				//Record time elapsed for Interface 1 if not yet recorded.
sl@0: 				{
sl@0: 				RecordTime(0);
sl@0: 				}
sl@0: 
sl@0: 			if(err==KErrNone && iTimeElapsed[1] == 0 && (iTransferComplete & KIfc2BulkTransferOutIdMask) == KIfc2BulkTransferOutIdMask)
sl@0: 				//Record time elapsed for Interface 2 if not yet recorded.
sl@0: 				{
sl@0: 				RecordTime(1);
sl@0: 				}
sl@0: 
sl@0: 			if(err==KErrNone && (iTransferComplete & KBulkTransferOutIdMask) == KBulkTransferOutIdMask)
sl@0: 				{
sl@0: 				RDebug::Printf("All OUT Transfers Completed Successfully: Transfer Completion Aggregation Mask 0x%x", iTransferComplete);
sl@0: 				iTransferComplete = 0; //reset
sl@0: 				err = CheckAndResetTimes(0, 1, KMaxTimeDiffPercentage);
sl@0: 				if(err!=KErrNone)
sl@0: 					{
sl@0: 					break; //switch(iCaseStep)
sl@0: 					}
sl@0: 	
sl@0: 				RDebug::Printf("Asking client for 'Write' back on interface 1");
sl@0: 				iCaseStep = ERequestDeviceWriteBack;
sl@0: 				TWriteCachedReadDataRequest request(1,1,1);// EP1 means endpoint index 1 not the actual endpoint number
sl@0: 				iControlEp0->SendRequest(request,this);
sl@0: 				}
sl@0: 			break; //switch(iCaseStep)
sl@0: 
sl@0: 		case ETransferIn:
sl@0: 			if(aCompletionCode != KErrNone)
sl@0: 				{
sl@0: 				iIfc1InTransfer[0]->Cancel();
sl@0: 				iIfc1InTransfer[1]->Cancel();
sl@0: 				iIfc2InTransfer[0]->Cancel();
sl@0: 				iIfc2InTransfer[1]->Cancel();
sl@0: 				err = KErrCorrupt;			
sl@0: 				
sl@0: 				msg.Format(_L("<Error %d> No data sent on bulk IN request"),aCompletionCode);
sl@0: 				break; //switch(iCaseStep)
sl@0: 				}
sl@0: 	
sl@0: 			switch(aTransferId)
sl@0: 				{
sl@0: 				case KIfc1BulkTransferInId1:
sl@0: 				case KIfc1BulkTransferInId2:
sl@0: 				case KIfc2BulkTransferInId1:
sl@0: 				case KIfc2BulkTransferInId2:
sl@0: 					iTransferComplete |= aTransferId;
sl@0: 					RDebug::Printf("Transfer OUT %d completed (Transfer Completion Aggregation Mask 0x%x)", aTransferId, iTransferComplete);
sl@0: 					break; //switch(aTransferId)
sl@0: 	
sl@0: 				default:
sl@0: 					iTransferComplete = 0; //reset
sl@0: 					err = KUnexpectedTransferID;
sl@0: 					msg.Format(_L("<Error %d> Unexpected transfer ID, wanted %d or %d, got %d"),
sl@0: 							       err, KIfc1BulkTransferInId1, KIfc1BulkTransferInId2, aTransferId);
sl@0: 					break; //switch(aTransferId)
sl@0: 				}
sl@0: 			         
sl@0: 			if(err==KErrNone && iTimeElapsed[0] == 0 && (iTransferComplete & KIfc1BulkTransferInIdMask) == KIfc1BulkTransferInIdMask)
sl@0: 				//Record time elapsed for Interface 1 if not yet recorded.
sl@0: 				{
sl@0: 				RecordTime(0);
sl@0: 				}
sl@0: 
sl@0: 			if(err==KErrNone && iTimeElapsed[1] == 0 && (iTransferComplete & KIfc2BulkTransferInIdMask) == KIfc2BulkTransferInIdMask) 
sl@0: 				//Record time elapsed for Interface 2 if not yet recorded.
sl@0: 				{
sl@0: 				RecordTime(1);
sl@0: 				}
sl@0: 
sl@0: 			if(err==KErrNone && (iTransferComplete & KBulkTransferInIdMask) == KBulkTransferInIdMask)
sl@0: 				{
sl@0: 				// ok, compare data rcvd now
sl@0: 				RDebug::Printf("All IN Transfers Completed Successfully: Transfer Completion Aggregation Mask 0x%x", iTransferComplete);
sl@0: 				iTransferComplete = 0; //reset
sl@0: 				err = CheckAndResetTimes(0, 1, KMaxTimeDiffPercentage);
sl@0: 				if(err!=KErrNone)
sl@0: 					{
sl@0: 					break; //switch(iCaseStep)
sl@0: 					}
sl@0: 	
sl@0: 				TPtrC8 data1(iIfc1InTransfer[0]->DataPolled());	
sl@0: 				TPtrC8 data2(iIfc1InTransfer[1]->DataPolled());		
sl@0: 				TPtrC8 data3(iIfc2InTransfer[0]->DataPolled());		
sl@0: 				TPtrC8 data4(iIfc2InTransfer[1]->DataPolled());		
sl@0: 				//Validate first transfer on Interface 1 for number of bytes originally written.
sl@0: 				if(ValidateData(data1, KLiteralFrench4(), KHostNumWriteBytes1) == EFalse)
sl@0: 					{
sl@0: 					RDebug::Printf("Validation failure 1st transfer, Interface 1");
sl@0: 					err = KErrCompletion; //indicates data validation failure
sl@0: 					break; //switch(iCaseStep)
sl@0: 					}
sl@0: 
sl@0: 				//Validate second transfer on Interface 1 for number of bytes originally written.
sl@0: 				if(ValidateData(data2, KLiteralFrench4(), KHostNumWriteBytes1, KHostNumWriteBytes2) == EFalse)
sl@0: 					{
sl@0: 					RDebug::Printf("Validation failure 2nd transfer, Interface 1");
sl@0: 					err = KErrCompletion; //indicates data validation failure
sl@0: 					break; //switch(iCaseStep)
sl@0: 					}
sl@0: 
sl@0: 				//Validate first transfer on Interface 2 for number of bytes originally written.
sl@0: 				if(ValidateData(data3, KLiteralEnglish8(), KHostNumWriteBytes1) == EFalse)
sl@0: 					{
sl@0: 					RDebug::Printf("Validation failure 1st transfer, Interface 2");
sl@0: 					err = KErrCompletion; //indicates data validation failure
sl@0: 					break; //switch(iCaseStep)
sl@0: 					}
sl@0: 
sl@0: 				//Validate second transfer on Interface 2 for number of bytes originally written.
sl@0: 				if(ValidateData(data4, KLiteralEnglish8(), KHostNumWriteBytes1, KHostNumWriteBytes2) == EFalse)
sl@0: 					{
sl@0: 					RDebug::Printf("Validation failure 2nd transfer, Interface 2");
sl@0: 					err = KErrCompletion; //indicates data validation failure
sl@0: 					break; //switch(iCaseStep)
sl@0: 					}
sl@0: 
sl@0: 				// Comparison is a match
sl@0: 				RDebug::Printf("Comparison for IN transfer is a match");
sl@0: 				iCaseStep = EPassed;
sl@0: 				TTestCasePassed request;
sl@0: 				iControlEp0->SendRequest(request,this);
sl@0: 				}
sl@0: 			break; //switch(iCaseStep)
sl@0: 
sl@0: 		default:
sl@0: 			err = KUndefinedStep;
sl@0: 			msg.Format(_L("<Error %d> Undefined case step %d reached"),KUndefinedStep, iCaseStep);
sl@0: 			break; //switch(iCaseStep)
sl@0: 		}
sl@0: 	
sl@0: 	if(err == KErrCompletion)
sl@0: 		//indicates data validation failure
sl@0: 		{
sl@0: 		msg.Format(_L("<Error %d> Bulk transfer IN data received does not match Bulk Transfer OUT data"), err);
sl@0: 		}
sl@0: 
sl@0: 	if(err == KErrTooBig)
sl@0: 		//indicates timing validation failure
sl@0: 		{
sl@0: 		msg.Format(_L("<Error %d> Timer comparison showed too great a difference in transfer times between the two interfaces"), err);
sl@0: 		}
sl@0: 	
sl@0: 	if(err!=KErrNone)
sl@0: 		{	
sl@0: 		RDebug::Print(msg);
sl@0: 		iCaseStep = EFailed;
sl@0: 		TTestCaseFailed request(err,msg);
sl@0: 		return iControlEp0->SendRequest(request,this);
sl@0: 		}	
sl@0: 	}
sl@0: 	
sl@0: void CUT_PBASE_T_USBDI_0497::DeviceInsertedL(TUint aDeviceHandle)
sl@0: 	{
sl@0: 	LOG_FUNC
sl@0: 	
sl@0: 	Cancel();
sl@0: 	RDebug::Printf("this - %08x", this);
sl@0: 	
sl@0: 	TBuf<256> msg;
sl@0: 	TInt err = KErrNone;
sl@0: 	if(BaseBulkDeviceInsertedL(aDeviceHandle, EFalse) == EDeviceConfigurationError)
sl@0: 		// Prepare for response from control transfer to client
sl@0: 		{
sl@0: 		err = KErrGeneral;
sl@0: 		msg.Format(_L("Base class DeviceInsertedL failed"));
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		if(SetUpInterfaceAndPipesL(aDeviceHandle, 2) == EDeviceConfigurationError)
sl@0: 			// Prepare for response from control transfer to client
sl@0: 			{
sl@0: 			err = KErrGeneral;
sl@0: 			msg.Format(_L("Base class SetUpInterfaceAndPipes for Interface 2 failed"));
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 	
sl@0: 			iIfc1InTransfer[0] = new (ELeave) CBulkTransfer(iTestPipeInterface1BulkIn,iUsbInterface1,KBulkMaxTransferSize,*this,KIfc1BulkTransferInId1);
sl@0: 			iIfc1InTransfer[1] = new (ELeave) CBulkTransfer(iTestPipeInterface1BulkIn,iUsbInterface1,KBulkMaxTransferSize,*this,KIfc1BulkTransferInId2);
sl@0: 			iIfc1OutTransfer[0] = new (ELeave) CBulkTransfer(iTestPipeInterface1BulkOut,iUsbInterface1,KBulkMaxTransferSize,*this,KIfc1BulkTransferOutId1);
sl@0: 			iIfc1OutTransfer[1] = new (ELeave) CBulkTransfer(iTestPipeInterface1BulkOut,iUsbInterface1,KBulkMaxTransferSize,*this,KIfc1BulkTransferOutId2);
sl@0: 
sl@0: 			iIfc2InTransfer[0] = new (ELeave) CBulkTransfer(iTestPipeInterface2BulkIn,iUsbInterface2,KBulkMaxTransferSize,*this,KIfc2BulkTransferInId1);
sl@0: 			iIfc2InTransfer[1] = new (ELeave) CBulkTransfer(iTestPipeInterface2BulkIn,iUsbInterface2,KBulkMaxTransferSize,*this,KIfc2BulkTransferInId2);
sl@0: 			iIfc2OutTransfer[0] = new (ELeave) CBulkTransfer(iTestPipeInterface2BulkOut1,iUsbInterface2,KBulkMaxTransferSize,*this,KIfc2BulkTransferOutId1);
sl@0: 			iIfc2OutTransfer[1] = new (ELeave) CBulkTransfer(iTestPipeInterface2BulkOut1,iUsbInterface2,KBulkMaxTransferSize,*this,KIfc2BulkTransferOutId2);
sl@0: 			
sl@0: 			// Initialise the descriptors for transfer		
sl@0: 			RDebug::Printf("Initialising the transfer descriptors - interface 1");
sl@0: 			err = iUsbInterface1.InitialiseTransferDescriptors();
sl@0: 			if(err != KErrNone)
sl@0: 				{
sl@0: 				msg.Format(_L("<Error %d> Unable to initialise transfer descriptors (Interface 1)"),err);
sl@0: 				}
sl@0: 			else
sl@0: 				{
sl@0: 				// Initialise the descriptors for transfer		
sl@0: 				RDebug::Printf("Initialising the transfer descriptors (Interface 2)");
sl@0: 				err = iUsbInterface2.InitialiseTransferDescriptors();
sl@0: 				if(err != KErrNone)
sl@0: 					{
sl@0: 					msg.Format(_L("<Error %d> Unable to initialise transfer descriptors"),err);
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 	if(err != KErrNone)
sl@0: 		{
sl@0: 		RDebug::Print(msg);
sl@0: 		iCaseStep = EFailed;
sl@0: 		TTestCaseFailed request(err,msg);
sl@0: 		iControlEp0->SendRequest(request,this);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		RDebug::Printf("Asking client for 'Read' on interface 1");
sl@0: 		iCaseStep = ERequestDeviceRead;	
sl@0: 		TEndpointReadRequest request(1,1,KDeviceNumReadBytes);// EP1 means endpoint index 1 not the actual endpoint number
sl@0: 		iControlEp0->SendRequest(request,this);
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: 	} //end namespace