diff -r 000000000000 -r 1e05558e2206 usbengines/usbdevcon/inc/cep0reader.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/usbengines/usbdevcon/inc/cep0reader.h Thu Dec 17 09:14:30 2009 +0200 @@ -0,0 +1,128 @@ +/* +* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "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: State, while waiting for requests +* +*/ + + +#ifndef CEP0READER_H +#define CEP0READER_H + +#include "cusbdevcon.h" + +class CStateMachine; // gets notifications on events happened on EP0 + +/** + * EP0 Reader + * + * @lib usbdevcon.lib + * @since S60 v.5.0 + */ + +class CEP0Reader : public CActive + { + +public: + + /** + * Two-phased constructor. + * + * @since S60 v.5.0 + * @param aObserver Gets notification when Read request is completed + * @param aLdd Link to services for reading EP0 + * @return Constructed instance + */ + static CEP0Reader* NewL(CStateMachine& aObserver, RDevUsbcClient& aLdd); + + /** + * Destructor. + * + * @since S60 v.5.0 + */ + virtual ~CEP0Reader(); + + /** + * Set request to read setup packet + * + * @since S60 v.5.0 + */ + void ReadSetupPacket(); + + /** + * Set request to read EP0 data + * + * @since S60 v.5.0 + * @param aDataLength Max length of data to read + */ + void Read(TUint aDataLength); + +private: + + /** + * Default construction + * + * @since S60 v.5.0 + * @param aObserver Gets notification when Read request is completed + * @param aLdd Link to services for reading EP0 + */ + CEP0Reader(CStateMachine& aObserver, RDevUsbcClient& aLdd); + + /** + * Two-phased construction. + * + */ + void ConstructL(); + + // from CActive + + /** + * From CActive. + * + */ + void RunL(); + + /** + * From CActive. + * + */ + void DoCancel(); + + /** + * From CActive. + * + */ + TInt RunError( TInt /*aError*/ ); + +private: // data + + /** + * LDD Logical Device Driver + * Not own. + */ + RDevUsbcClient& iLdd; + + /** + * State machine gets read data + * Not own. + */ + CStateMachine& iObserver; + + /** + * Read buffer + */ + RBuf8 iBuffer; + + }; + +#endif // CEP0READER_H