// Copyright (c) 2007-2010 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"
#include "OstTraceDefinitions.h"
#ifdef OST_TRACE_COMPILER_IN_USE
#include "hostinterrupttransfersTraces.h"
#endif
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
{
OstTraceFunctionEntryExt( CINTERRUPTTRANSFER_CINTERRUPTTRANSFER_ENTRY, this );
OstTraceFunctionExit1( CINTERRUPTTRANSFER_CINTERRUPTTRANSFER_EXIT, this );
}
CInterruptTransfer::~CInterruptTransfer()
{
OstTraceFunctionEntry1( CINTERRUPTTRANSFER_CINTERRUPTTRANSFER_ENTRY_DUP01, this );
// Cancel the transfer
Cancel();
OstTraceFunctionExit1( CINTERRUPTTRANSFER_CINTERRUPTTRANSFER_EXIT_DUP01, this );
}
TPtrC8 CInterruptTransfer::DataPolled()
{
OstTraceFunctionEntry1( CINTERRUPTTRANSFER_DATAPOLLED_ENTRY, this );
return iTransferDescriptor.Buffer();
}
TInt CInterruptTransfer::TransferInL(TInt aSize)
{
OstTraceFunctionEntryExt( CINTERRUPTTRANSFER_TRANSFERINL_ENTRY, this );
// Activate the asynchronous transfer
OstTrace0(TRACE_NORMAL, CINTERRUPTTRANSFER_TRANSFERINL, "Activating interrupt in transfer");
iTransferDescriptor.SaveData(aSize);
Pipe().Transfer(iTransferDescriptor,iStatus);
SetActive();
OstTraceFunctionExitExt( CINTERRUPTTRANSFER_TRANSFERINL_EXIT, this, KErrNone );
return KErrNone;
}
TInt CInterruptTransfer::RegisterTransferDescriptor()
{
OstTraceFunctionEntry1( CINTERRUPTTRANSFER_REGISTERTRANSFERDESCRIPTOR_ENTRY, this );
// Register the transfer descriptor with the interface
TInt err(Interface().RegisterTransferDescriptor(iTransferDescriptor));
if(err != KErrNone)
{
OstTrace1(TRACE_NORMAL, CINTERRUPTTRANSFER_REGISTERTRANSFERDESCRIPTOR, "<Error %d> Unable to register transfer descriptor",err);
}
OstTraceFunctionExitExt( CINTERRUPTTRANSFER_REGISTERTRANSFERDESCRIPTOR_EXIT, this, err );
return err;
}
}