/*

* Copyright (c) 2010 ISB.

* 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:

* ISB - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef __devicePDD_H__

#define __devicePDD_H__

#include <comm.h>

#include <e32hal.h>

#include "system.h"

#include "webcamera_device.h"

const TInt KMinimumLddMajorVersion=1;

const TInt KMinimumLddMinorVersion=1;

const TInt KMinimumLddBuild=0;

const TInt EIrqWebamera=0xb;

class DWebcameraPddFactory : public DPhysicalDevice

{

public:

	/**

	  Constructor

	*/

	DWebcameraPddFactory();

	virtual TInt Install();

	virtual void GetCaps(TDes8 &aDes) const;

	virtual TInt Create(DBase*& aChannel, TInt aUnit, const TDesC8* anInfo, const TVersion &aVer);

	virtual TInt Validate(TInt aUnit, const TDesC8* anInfo, const TVersion &aVer);

};

class DWebcameraDriver : public DWebcameraDriverBase

{

public:

	/**

	  Constructor

	*/

	DWebcameraDriver();

	/**

	  Destructor

	*/

	~DWebcameraDriver();

    /**

      Second stage constructor called by the kernel's device driver framework.

      This is called in the context of the user thread (client) which requested the creation of a Logical Channel

      The thread is in a critical section.

      @param aUnit The unit argument supplied by the client

      @param aInfo The info argument supplied by the client

      @return KErrNone if successful, otherwise one of the other system wide error codes.

    */

	TInt DoCreate(TInt aUnit, const TDesC8* anInfo);

    /**

      Request data from device.

      Only one send request may be pending at any time.

      @param  aBuffer physical adress

      @param aData   size of buffer.

    */

	virtual TInt StartViewerFinder(TUint aBuffer,TInt aSize);

    /**

      Request data from device.

      Only one send request may be pending at any time.

      @param  aBuffer physical adress

      @param aData   size of buffer.

    */

	virtual TInt StartCapture(TUint aBuffer,TInt aSize);

    /**

      Request device not to send data.

      Only one send request may be pending at any time.

      @param  aMode stop mode

    */

	virtual void Stop(TUSBStopMode aMode);

//	virtual void Caps(TDes8 &aCaps) const;

	/**

	  Called by ISR to indicate that interrupt occurs.

	*/

	static void Isr(TAny* aPtr);

    /**

      Called from a Isr after the Peripheral has signalled that getting oneflame completed.

    */

	void receivedatacallback();

public:

	  /**

	  Enumeration of register types.

	  */

  enum {

		WEBCAMERA_REG_ID           = 0,

		WEBCAMERA_REG_INT_ENABLE   = 1,

		WEBCAMERA_REG_DATA_TYPE    = 2,

		WEBCAMERA_REG_DMA_ADDR     = 3,

		WEBCAMERA_REG_DMA_SIZE     = 4

	    };

private:

    /**

    operation types.

    */

	TInt iType;

};

#endif