// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 // @file hostinterrupttransfers.cpp

 // @internalComponent

 // 

 //

 #include "hosttransfers.h"

 #include "testdebug.h"

 namespace NUnitTesting_USBDI

 	{

 CInterruptTransfer::CInterruptTransfer(RUsbPipe& aPipe,RUsbInterface& aInterface,TInt aMaxTransferSize,MTransferObserver& aObserver,TInt aTransferId)

 :	CBaseTransfer(aPipe,aInterface,aObserver,aTransferId),

 	iTransferDescriptor(aMaxTransferSize) // Allocate the buffer for interrupt transfers

 	{

 	}

 CInterruptTransfer::~CInterruptTransfer()

 	{

 	LOG_FUNC 

 	// Cancel the transfer

 	Cancel();

 	}

 TPtrC8 CInterruptTransfer::DataPolled()

 	{

 	return iTransferDescriptor.Buffer();

 	}

 TInt CInterruptTransfer::TransferInL(TInt aSize)

 	{

 	LOG_FUNC

 	// Activate the asynchronous transfer 	

 	RDebug::Printf("Activating interrupt in transfer");

 	iTransferDescriptor.SaveData(aSize);

 	Pipe().Transfer(iTransferDescriptor,iStatus);

 	SetActive();

 	return KErrNone;

 	}

 TInt CInterruptTransfer::RegisterTransferDescriptor()

 	{

 	LOG_FUNC

 	// Register the transfer descriptor with the interface	

 	TInt err(Interface().RegisterTransferDescriptor(iTransferDescriptor));

 	if(err != KErrNone)

 		{

 		RDebug::Printf("<Error %d> Unable to register transfer descriptor",err);

 		}

 	return err;

 	}

 	}