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// Copyright (c) 2007-2009 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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// @file hostinterrupttransfers.cpp
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// @internalComponent
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//
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//
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#include "hosttransfers.h"
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#include "testdebug.h"
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namespace NUnitTesting_USBDI
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{
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CInterruptTransfer::CInterruptTransfer(RUsbPipe& aPipe,RUsbInterface& aInterface,TInt aMaxTransferSize,MTransferObserver& aObserver,TInt aTransferId)
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: CBaseTransfer(aPipe,aInterface,aObserver,aTransferId),
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iTransferDescriptor(aMaxTransferSize) // Allocate the buffer for interrupt transfers
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{
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}
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CInterruptTransfer::~CInterruptTransfer()
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{
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LOG_FUNC
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// Cancel the transfer
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Cancel();
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}
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TPtrC8 CInterruptTransfer::DataPolled()
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{
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return iTransferDescriptor.Buffer();
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}
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TInt CInterruptTransfer::TransferInL(TInt aSize)
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{
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LOG_FUNC
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// Activate the asynchronous transfer
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RDebug::Printf("Activating interrupt in transfer");
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iTransferDescriptor.SaveData(aSize);
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Pipe().Transfer(iTransferDescriptor,iStatus);
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SetActive();
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return KErrNone;
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}
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TInt CInterruptTransfer::RegisterTransferDescriptor()
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{
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LOG_FUNC
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// Register the transfer descriptor with the interface
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TInt err(Interface().RegisterTransferDescriptor(iTransferDescriptor));
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if(err != KErrNone)
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{
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RDebug::Printf("<Error %d> Unable to register transfer descriptor",err);
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}
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return err;
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}
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}
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