1 /*

     2 * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef __REQUESTHEADER_H__

    19 #define __REQUESTHEADER_H__

    20 

    21 #include <e32std.h>

    22 

    23 const TUint KUsbRequestHdrSize = 8; ///< Size of the request header

    24 

    25 NONSHARABLE_CLASS(TUsbRequestHdr)		///< Class-specific header structure

    26 	{

    27 public:

    28 	TUint8	iRequestType;	///< Request type

    29 	TUint8	iRequest;		///< Request number

    30 	TUint16 iValue; 		///< Request value

    31 	TUint16 iIndex; 		///< Request index

    32 	TUint16 iLength;		///< Request length

    33 

    34 public:

    35 	static TInt Decode(const TDesC8& aBuffer, TUsbRequestHdr& aTarget);

    36 	const TDesC8& Des();

    37 	TBool IsDataResponseRequired() const;

    38 

    39 private:

    40 	TBuf8<KUsbRequestHdrSize> iBuffer;

    41 	};

    42 

    43 #endif // __REQUESTHEADER_H__