1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     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 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #ifndef USBPNINTERFACE_H

    20 #define USBPNINTERFACE_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>    // For CBase

    24 #include <iscapi.h>     // For RIscApi

    25 #include <d32usbc.h>    // For RDevUsbcClient

    26 

    27 #include "musbpnaltobserver.h"

    28 

    29 // CONSTANTS

    30 // MACROS

    31 // DATA TYPES

    32 // FUNCTION PROTOTYPES

    33 // FORWARD DECLARATIONS

    34 class MUsbPnControlObserver;

    35 class CUsbPnAlt;

    36 class CUsbPnIsaReceiver;

    37 class CUsbPnUsbReceiver;

    38 

    39 // CLASS DECLARATION

    40 

    41 class CUsbPnInterface : public CBase, public MUsbPnAltObserver

    42     {

    43     public:  // Constructors and destructor

    44 

    45         /**

    46         * Two-phased constructor.

    47         */

    48         static CUsbPnInterface* NewL();

    49 

    50         /**

    51         * Destructor.

    52         */

    53         ~CUsbPnInterface();

    54 

    55 

    56     public: // Functions from base classes

    57 

    58         /**

    59         * Handles device state notifications. Device state or alternate setting change.

    60         * @param  TUint aDeviceState USB device's state

    61         */

    62         void HandleDeviceStateChange( TUint aDeviceState );

    63 

    64 

    65     private:

    66 

    67         /**

    68         * C++ default constructor.

    69         */

    70         CUsbPnInterface();

    71 

    72         /**

    73         * By default Symbian 2nd phase constructor is private.

    74         */

    75         void ConstructL();

    76 

    77         /**

    78         * Initialises Phonet interfaces

    79         */

    80         void InitialiseInterfaceL();

    81 

    82         /**

    83         * Releases Phonet interfaces in opposite order.

    84         */

    85         void ReleaseInterface();

    86 

    87         /**

    88         * Activates data transfer mode when USB host selects alternate setting.

    89         * @since Series ?XX ?SeriesXX_version

    90         * @param TUint aAltSetNumber. 0 for altset zero. 1 for data transfer mode.

    91         */

    92         void SetAltSetting( TUint aAltSetNumber );

    93 

    94 

    95     private:    // Data

    96 

    97         // Ownership. Alternate setting listening active object

    98         CUsbPnAlt*              iAlt;

    99 

   100         // Ownership. Isa receiver active object

   101         CUsbPnIsaReceiver*      iIsaReceiver;

   102 

   103         // Ownership. USB receiver active object

   104         CUsbPnUsbReceiver*      iUsbReceiver;

   105 

   106         // Ownership.

   107         RDevUsbcClient          iCommLdd;

   108 

   109         // Ownership.

   110         RDevUsbcClient          iPnDataLdd;

   111 

   112         // Ownership.

   113         RIscApi                 iIscApi;

   114 

   115         // Boolean flag for succesful initialisation

   116         TBool                   iInitialised;

   117 

   118     };

   119 

   120 #endif      // USBPNINTERFACE_H

   121 

   122 // End of File