Returns the driver's name

	{

	_LIT(KDriverName,"WebcameraDevice");

	return KDriverName;

	}

Returns the version number of the driver

	{

	const TInt KMajorVersionNumber = 1;

	const TInt KMinorVersionNumber = 1;

	const TInt KBuildVersionNumber = 0;

	return TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber);

	}

NOTE: The following member functions would normally be exported from a seperate client DLL

but are included inline in this header file for convenience.

Opens a logical channel to the driver

@return One of the system wide error codes.

	{

	return DoCreate(Name(), VersionRequired(), KNullUnit, NULL, NULL, EOwnerThread);

	}

Gets the current configuration settings.

@param aConfig A structure which will be filled with the configuration settings.

@return KErrNone

	{

	return DoControl(EGetConfig, (TAny*)&aConfig);

	}

Sets the current configuration settings.

@param aConfig The new configuration settings to be used.

@return KErrInUse if there are outstanding data transfer requests.

		KErrArgument if any configuration values are invalid.

		KErrNone otherwise

	{

	return DoControl(ESetConfig, (TAny*)&aConfig);

	}

/**

Open shared chunks

*/

inline TInt RWebcameraDevice::OpenSharedChunks(RChunk& aChunk, TChunkInfo& aChunkInfo)

	{

	TInt r = DoControl(EOpenSharedChunck, (TAny*)&aChunkInfo);

	aChunk.SetHandle(aChunkInfo.iChunkHandle);

	return r;

	}

/**

Close shared chunks

*/

inline TInt RWebcameraDevice::CloseSharedChunks(TRequestStatus& aStatus, RChunk& aChunk)

	{

	DoRequest(ECloseSharedChunck,aStatus, (TAny*)&aChunk);

	}

Power on Camera Device.

@param aStatus	The request to be signalled when the data has been received.

				The result value will be set to KErrNone on success;

				or set to one of the system wide error codes when an error occurs.

*/

inline void RWebcameraDevice::PowerOn(TRequestStatus& aStatus)

	{

	DoRequest(EPowerOn, aStatus);

	}

/**

Power off Camera Device.

@param aStatus	The request to be signalled when the data has been received.

				The result value will be set to KErrNone on success;

				or set to one of the system wide error codes when an error occurs.

*/

inline void RWebcameraDevice::PowerOff(TRequestStatus& aStatus)

	{

	DoRequest(EPowerOff, aStatus);

	}

/**

Init ViewFinder.

inline TInt RWebcameraDevice::InitViewFinder()

	{

	return DoControl(EInitViewFinder, NULL);

	}

/**

Receives image from the device.

Only one receive request may be pending at any time.

@param aStatus	The request to be signalled when the data has been received.

				The result value will be set to KErrNone on success;

				or set to one of the system wide error codes when an error occurs.

@param aData	A descriptor to which the received data will be written.

*/

inline void RWebcameraDevice::StartViewFinder(TRequestStatus& aStatus,TInt& aChunkLen)

	{

	DoRequest(EStart,aStatus, (TAny*)&aChunkLen);

	}

Cancels a previous StartViewFinder request.

	{

	DoCancel(1 << EStart);

	}

	DoCancel(1 << EStart);

Capture data from the device.

Only one Capture request may be pending at any time.

@param aStatus	The request to be signalled when the data has been captureed.

				The result value will be set to KErrNone on success;

				or set to one of the system wide error codes when an error occurs.

@param aData	A descriptor to which the captured data will be written.

inline void RWebcameraDevice::Capture(TRequestStatus& aStatus,TInt& aChunkLen)

	{

	DoRequest(ECapture,aStatus, (TAny*)&aChunkLen);

	}

Cancels a previous capture request.

	{

	DoCancel(1 << ECapture);

	}