1 /*

     2 * Copyright (c) 2010 ISB.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * ISB - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef __devicePDD_H__

    19 #define __devicePDD_H__

    20 

    21 #include <comm.h>

    22 #include <e32hal.h>

    23 #include "system.h"

    24 #include "webcamera_device.h"

    25 

    26 const TInt KMinimumLddMajorVersion=1;

    27 const TInt KMinimumLddMinorVersion=1;

    28 const TInt KMinimumLddBuild=0;

    29 const TInt EIrqWebamera=0xb;

    30 

    31 class DWebcameraPddFactory : public DPhysicalDevice

    32 {

    33 public:

    34 	/**

    35 	  Constructor

    36 	*/

    37 	DWebcameraPddFactory();

    38 	

    39 	virtual TInt Install();

    40 	virtual void GetCaps(TDes8 &aDes) const;

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

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

    43 };

    44 

    45 

    46 class DWebcameraDriver : public DWebcameraDriverBase

    47 {

    48 public:

    49 	/**

    50 	  Constructor

    51 	*/

    52 	DWebcameraDriver();

    53 	/**

    54 	  Destructor

    55 	*/

    56 	~DWebcameraDriver();

    57     /**

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

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

    60       The thread is in a critical section.

    61 

    62       @param aUnit The unit argument supplied by the client

    63       @param aInfo The info argument supplied by the client

    64 

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

    66     */

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

    68     /**

    69       Request data from device.

    70       Only one send request may be pending at any time.

    71 

    72       @param  aBuffer physical adress

    73       @param aData   size of buffer.

    74     */

    75 	virtual TInt StartViewerFinder(TUint aBuffer,TInt aSize);

    76     /**

    77       Request data from device.

    78       Only one send request may be pending at any time.

    79 

    80       @param  aBuffer physical adress

    81       @param aData   size of buffer.

    82     */

    83 	virtual TInt StartCapture(TUint aBuffer,TInt aSize);

    84     /**

    85       Request device not to send data.

    86       Only one send request may be pending at any time.

    87 

    88       @param  aMode stop mode

    89     */

    90 	virtual void Stop(TUSBStopMode aMode);

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

    92 	/**

    93 	  Called by ISR to indicate that interrupt occurs.

    94 	*/

    95 	static void Isr(TAny* aPtr);

    96     /**

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

    98     */

    99 	void receivedatacallback();

   100 

   101 public:

   102 	  /**

   103 	  Enumeration of register types.

   104 	  */

   105   enum {

   106 		WEBCAMERA_REG_ID           = 0,

   107 		WEBCAMERA_REG_INT_ENABLE   = 1,

   108 		WEBCAMERA_REG_DATA_TYPE    = 2,

   109 		WEBCAMERA_REG_DMA_ADDR     = 3,

   110 		WEBCAMERA_REG_DMA_SIZE     = 4

   111 	    };

   112 

   113 private:

   114     /**

   115     operation types.

   116     */

   117 	TInt iType;

   118 };

   119 

   120 #endif