1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalComponent

    19 */

    20 

    21 #ifndef CMTPUSBEPCONTROL_H

    22 #define CMTPUSBEPCONTROL_H

    23 

    24 #include "cmtpusbepbase.h"

    25 

    26 class CMTPUsbConnection;

    27 class MMTPType;

    28 

    29 /**

    30 Implements the USB MTP device class control endpoint data transfer controller.

    31 @internalComponent

    32  

    33 */

    34 class CMTPUsbEpControl: public CMTPUsbEpBase

    35     {         

    36 public:

    37 

    38     static CMTPUsbEpControl* NewL(TUint aId, CMTPUsbConnection& aConnection);

    39     ~CMTPUsbEpControl();

    40     

    41     void ReceiveControlRequestDataL(MMTPType& aData);

    42     void ReceiveControlRequestSetupL(MMTPType& aData);

    43     void SendControlRequestDataL(const MMTPType& aData);

    44     void SendControlRequestStatus();

    45 

    46 private: // From CMTPUsbEpBase

    47 

    48     void ReceiveDataCompleteL(TInt aError, MMTPType& aSink);

    49     void SendDataCompleteL(TInt aError, const MMTPType& aSource);

    50     

    51 private: // From CActive

    52 	void DoCancel();

    53     

    54 private:

    55 

    56     CMTPUsbEpControl(TUint aId, CMTPUsbConnection& aConnection);

    57     

    58     void SetState(TUint aState);

    59      

    60 private: // Owned

    61 

    62     /**

    63     The control endpoint data send/receive states.

    64     */

    65     enum TMTPUsbEpControlState

    66         {

    67         EIdle,

    68         EControlRequestSetupPending,

    69         EControlRequestSetupComplete,

    70         EControlRequestDataReceive,

    71         EControlRequestDataSend,

    72         EControlRequestStatusSend

    73         };

    74         

    75     /**

    76     The control endpoint data send/receive state variable.

    77     */

    78     TUint iState;

    79     

    80     };

    81 #endif // CMTPUSBEPCONTROL_H