// 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;

	}

	}