os/kernelhwsrv/kerneltest/e32test/usbho/t_usbdi/inc/Ep0Reader.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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#ifndef __EP0_READER_H
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#define __EPO_READER_H
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/*
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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 Ep0Reader.h
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* @internalComponent
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* 
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*
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*/
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#include "controlendpointreader.h"
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#include "endpointwriter.h"
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namespace NUnitTesting_USBDI
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	{
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/**
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This class describes a processor for device directed requests and associated data
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payload packets
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*/
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class CDeviceEndpoint0 : public CBase
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	{
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public:
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	/**
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	Constructor (2-phase) 
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	@return a pointer to a new instance of control Ep0 reader
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	*/
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	static CDeviceEndpoint0* NewL(MRequestHandler& aRequestHandler);
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	/**
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	Destructor
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	*/
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	~CDeviceEndpoint0();
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	/**
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	Starts this reader receiving device directed ep0 requests
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	@return KErrNone if successful or system wide error code
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	*/
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	TInt Start();
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	/**
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	Stops this reader receiving device directed ep0 requests
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	@return KErrNone if successful or system wide error code
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	*/
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	TInt Stop();
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	/**
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	Send data back to the host through endpoint 0
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	@param aData the descriptor with the data to send back
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	*/
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	void SendData(const TDesC8& aData);
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	/**
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	Send data back to the host through endpoint 0 and do not return until completion
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	@param aData the descriptor with the data to send back
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	*/
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	TInt SendDataSynchronous(const TDesC8& aData);
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	/**
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	Access the reader object for this control endpoint 0
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	*/
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	CControlEndpointReader& Reader();
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private:
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	/**
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	Constructor, build a reader for control endpoint 0
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	*/
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	CDeviceEndpoint0();
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	/**
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	2nd phase constructor
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	*/
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	void ConstructL(MRequestHandler& aRequestHandler);
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private:
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	/**
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	The channel to the USB client driver
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	*/
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	RDevUsbcClient iClientDriver;
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	/**
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	The endpoint reader for endpoint 0
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	*/
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	CControlEndpointReader* iEndpoint0Reader;
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	/**
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	The endpoint writer for endpoint 0
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	*/
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	CEndpointWriter* iEndpoint0Writer;
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	};
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	}
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#endif
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