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

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

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

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // @file hostinterrupttransfers.cpp

    15 // @internalComponent

    16 // 

    17 //

    18 

    19 #include "hosttransfers.h"

    20 #include "testdebug.h"

    21 

    22 namespace NUnitTesting_USBDI

    23 	{

    24 	

    25 	

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

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

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

    29 	{

    30 

    31 	}

    32 	

    33 CInterruptTransfer::~CInterruptTransfer()

    34 	{

    35 	LOG_FUNC 

    36 	

    37 	// Cancel the transfer

    38 

    39 	Cancel();

    40 	}

    41 	

    42 	

    43 TPtrC8 CInterruptTransfer::DataPolled()

    44 	{

    45 	return iTransferDescriptor.Buffer();

    46 	}

    47 	

    48 	

    49 TInt CInterruptTransfer::TransferInL(TInt aSize)

    50 	{

    51 	LOG_FUNC

    52 	

    53 	// Activate the asynchronous transfer 	

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

    55 	iTransferDescriptor.SaveData(aSize);

    56 	Pipe().Transfer(iTransferDescriptor,iStatus);

    57 	SetActive();

    58 	return KErrNone;

    59 	}

    60 

    61 TInt CInterruptTransfer::RegisterTransferDescriptor()

    62 	{

    63 	LOG_FUNC

    64 	

    65 	// Register the transfer descriptor with the interface	

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

    67 	if(err != KErrNone)

    68 		{

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

    70 		}

    71 	return err;

    72 	}

    73 	

    74 

    75 		

    76 	}