--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/usbho/t_usbdi/inc/controlendpointreader.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,124 @@
+#ifndef __CONTROL_ENDPOINT_READER_H
+#define __CONTROL_ENDPOINT_READER_H
+
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+* @file controlendpointreader.h
+* @internalComponent
+* 
+*
+*/
+
+
+
+#include "endpointreader.h"
+
+namespace NUnitTesting_USBDI
+	{
+
+/**
+*/
+class MRequestHandler
+	{
+public:
+	/**
+	Called when a control vendor request from the host is received and does not require data being
+	sent back to the host.
+	@param aRequest the control request value
+	@param aValue a parameter value for the request
+	@param aIndex an index parameter for the request
+	@param aDataReqLength the length of the data to be returned to the host
+	@param aPayload the data payload sent to the device by the host in a data phase
+	*/
+	
+	virtual TInt ProcessRequestL(TUint8 aRequest,TUint16 aValue,TUint16 aIndex,TUint16 aDataReqLength,
+					const TDesC8& aPayload) = 0;
+	};
+
+
+	
+/**
+This class describes a entity that reads control requests from endpoint 0
+*/
+class CControlEndpointReader : public CEndpointReader, public MEndpointDataHandler
+	{
+public:
+
+	/**
+	Constructor, build a reader of requests from endpoint zero
+	@param aClientDriver the channel to the USB client driver
+	@param aRequestHandler the handler of control requests
+	*/
+	
+	CControlEndpointReader(RDevUsbcClient& aClientDriver,MRequestHandler& aRequestHandler);
+	
+	/**
+	Destructor
+	*/
+	
+	virtual ~CControlEndpointReader();
+
+	/**
+	Reads requests sent by the host on endpoint 0.  This includes any data from the data phase
+	of the transfer
+	*/
+	
+	void ReadRequestsL();
+
+public: // From MEndpointDataHandler
+
+	/**
+	Interprets the data received as a control request on endpoint 0
+	@param aEndpointNumber the number of the endpoint read from
+	@param aData the data successfully read from the endpoint
+	*/
+	
+	virtual void DataReceivedFromEndpointL(TEndpointNumber aEndpointNumber,const TDesC8& aData);	
+	
+	/**
+	Notified when an error occurs on a read from the endpoint
+	@param aEndpointNumber the number of the endpoint read from
+	@param aErrorCode the read operation completion error
+	*/
+	
+	void EndpointReadError(TEndpointNumber aEndpointNumber,TInt aErrorCode);
+	
+private:
+
+	// Flag to indicate
+	TBool iDeviceToHost;
+	TBool iDataPhase;
+	
+	/**
+	The request status of the entity processing requests
+	*/
+	MRequestHandler& iRequestHandler;
+	
+	/**
+	The fields of the control transfer request
+	*/
+	TUint8 ibRequestType;
+	TUint8 ibRequest;
+	TUint16 iwValue;
+	TUint16 iwIndex;
+	TUint16 iwLength;
+	};
+	
+	}
+
+
+#endif
+
+