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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 hostcontroltransfers.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 <e32debug.h>
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namespace NUnitTesting_USBDI
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{
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CBulkTransfer::CBulkTransfer(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 bulk transfers
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{
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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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}
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CBulkTransfer::~CBulkTransfer()
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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 CBulkTransfer::DataPolled()
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{
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return iTransferDescriptor.Buffer();
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}
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void CBulkTransfer::TransferIn(TInt aExpectedDataSize)
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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 bulk in transfer");
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iTransferDescriptor.SaveData(aExpectedDataSize);
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Pipe().Transfer(iTransferDescriptor,iStatus);
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SetActive();
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}
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void CBulkTransfer::TransferOut(const TDesC8& aBulkData, TBool aUseZLPIfRequired)
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{
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LOG_FUNC
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// Copy the data across
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if(aBulkData.Length() > iTransferDescriptor.iMaxSize)
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{
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RDebug::Printf("Too much data in bulk transfer. This test suite will now PANIC!");
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RDebug::Printf("Bytes requested %d, Max allowed %d", aBulkData.Length(), iTransferDescriptor.iMaxSize);
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ASSERT(EFalse);
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}
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TPtr8 buffer = iTransferDescriptor.WritableBuffer();
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buffer.Copy(aBulkData);
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RDebug::Printf("Transfer buffer now has %d bytes to write",buffer.Length());
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iTransferDescriptor.SaveData(buffer.Length());
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if(aUseZLPIfRequired)
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{
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iTransferDescriptor.SetZlpStatus(RUsbTransferDescriptor::ESendZlpIfRequired);
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}
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else
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{
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iTransferDescriptor.SetZlpStatus(RUsbTransferDescriptor::ESuppressZlp);
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}
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// Activate the asynchronous transfer
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RDebug::Printf("Activating bulk out transfer");
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Pipe().Transfer(iTransferDescriptor,iStatus);
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SetActive();
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}
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void CBulkTransfer::TransferOut(const TDesC8& aBulkDataPattern, TUint aNumBytes, TBool aUseZLPIfRequired)
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{
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LOG_FUNC
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TransferOut(aBulkDataPattern, 0, aNumBytes, aUseZLPIfRequired);
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}
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void CBulkTransfer::TransferOut(const TDesC8& aBulkDataPattern, TUint aStartPoint, TUint aNumBytes, TBool aUseZLPIfRequired)
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{
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LOG_FUNC
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// Copy the data across
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if(aNumBytes > iTransferDescriptor.iMaxSize)
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{
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RDebug::Printf("Too much data in bulk transfer. This test suite will now PANIC!");
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RDebug::Printf("Bytes requested %d, Max allowed %d", aNumBytes, iTransferDescriptor.iMaxSize);
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ASSERT(EFalse);
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}
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if(aBulkDataPattern.Length()<=0)
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{
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RDebug::Printf("ZERO LENGTH data pattern used in TransferOut. This test suite will now PANIC!");
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ASSERT(EFalse);
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}
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TUint startPoint = aStartPoint%aBulkDataPattern.Length();
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TUint numStartBytes = (aBulkDataPattern.Length() - startPoint)%aBulkDataPattern.Length();
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TUint fullRepeats = (aNumBytes-numStartBytes)/aBulkDataPattern.Length();
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TUint numEndBytes = aNumBytes - fullRepeats*aBulkDataPattern.Length() - numStartBytes;
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TPtr8 buffer = iTransferDescriptor.WritableBuffer();
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buffer.Zero(); //set length to zero
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if(numStartBytes)
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{
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buffer.Append(aBulkDataPattern.Right(numStartBytes));
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}
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for(TUint i = 0; i<fullRepeats; i++)
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{
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buffer.Append(aBulkDataPattern);
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}
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if(numEndBytes)
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{
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buffer.Append(aBulkDataPattern.Left(numEndBytes));
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}
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RDebug::Printf("Transfer buffer now has %d bytes to write",buffer.Length());
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iTransferDescriptor.SaveData(buffer.Length());
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if(aUseZLPIfRequired)
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{
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iTransferDescriptor.SetZlpStatus(RUsbTransferDescriptor::ESendZlpIfRequired);
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}
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else
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{
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iTransferDescriptor.SetZlpStatus(RUsbTransferDescriptor::ESuppressZlp);
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}
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// Activate the asynchronous transfer
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RDebug::Printf("Activating bulk out transfer");
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Pipe().Transfer(iTransferDescriptor,iStatus);
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SetActive();
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}
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}
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