1 // Copyright (c) 2004-2009 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 

    18 /**

    19  @file

    20  @internalComponent

    21  @released

    22 */

    23 

    24 #include <bluetoothav.h>

    25 #include "avrcpcommandframer.h"

    26 #include "avcframe.h"

    27 #include "avrcplog.h"

    28 #include <remcon/avrcpspec.h>

    29 #include <absolutevolumeapi.h>

    30 

    31 // The Bluetooth SIG registered VendorId, see table 4.7

    32 const AVC::TAVCVendorId KBluetoothSIGVendorId = 0x001958;

    33 

    34 /** Returns a new CAVCFrame representing an AV/C passthrough command.

    35 @param aOperationId The AV/C operation id of this command.

    36 @param aButtonAction The AV/C button action.

    37 @return An AV/C frame representing a passthrough command.

    38 @leave error

    39 */

    40 CAVCFrame* AvrcpCommandFramer::PassthroughL(AVCPanel::TOperationId aOperationId, AVCPanel::TButtonAction aButtonAction)

    41 	{

    42 	LOG_STATIC_FUNC

    43 	CAVCFrame* frame = CAVCFrame::NewL(AVC::ECommand, AVC::EControl, AVC::EPanel, AVC::EID0);

    44 	frame->Append(TChar(AVC::EPassThrough));

    45 	frame->Append(TChar(aOperationId | aButtonAction));

    46 	frame->Append(TChar(0));

    47 	return frame;

    48 	}

    49 

    50 /** Returns a new CAVCFrame representing an AV/C Unit Info response.

    51 @return An AV/C frame representing a Unit Info response.

    52 @leave error

    53 */	

    54 CAVCFrame* AvrcpCommandFramer::UnitInfoResponseL()

    55 	{

    56 	LOG_STATIC_FUNC

    57 	CAVCFrame* frame = CAVCFrame::NewL(AVC::EResponse, AVC::EStable, AVC::EUnit, AVC::EIgnore);

    58 	frame->Append(TChar(AVC::EUnitInfo));

    59 	frame->Append(TChar(0x7));

    60 	frame->Append(TChar(0x48));

    61 	frame->Append(TChar(0xff));

    62 	frame->Append(TChar(0xff));

    63 	frame->Append(TChar(0xff));

    64 	return frame;

    65 	}

    66 

    67 /** Returns a new CAVCFrame representing an AV/C Subunit Info response.

    68 @return An AV/C frame representing a Subunit Info response.

    69 @leave error

    70 */	

    71 CAVCFrame* AvrcpCommandFramer::SubunitInfoResponseL()

    72 	{

    73 	LOG_STATIC_FUNC

    74 	CAVCFrame* frame = CAVCFrame::NewL(AVC::EResponse, AVC::EStable, AVC::EUnit, AVC::EIgnore);

    75 	frame->Append(TChar(AVC::ESubunitInfo));

    76 	frame->Append(TChar(0x7));

    77 	frame->Append(TChar(0x48));

    78 	frame->Append(TChar(0xff));

    79 	frame->Append(TChar(0xff));

    80 	frame->Append(TChar(0xff));

    81 	return frame;

    82 	}

    83 

    84 /** Returns a new CAVCFrame representing an AV/C 'set absolute volume' command

    85 @return An AV/C frame representing a 'set absolute volume' command.

    86 @leave error

    87 */	

    88 CAVCFrame* AvrcpCommandFramer::SetAbsoluteVolumeCommandL(TUint8 aAbsVol)

    89 	{

    90 	LOG_STATIC_FUNC

    91 	CAVCFrame* frame = CAVCFrame::NewL(AVC::ECommand, AVC::EControl, AVC::EPanel, AVC::EID0);

    92 	frame->Append(TChar(AVC::EVendorDependent));

    93 	frame->Append(KBluetoothSIGVendorId>>16 & 0xff);	

    94 	frame->Append(KBluetoothSIGVendorId>>8 & 0xff);	

    95 	frame->Append(KBluetoothSIGVendorId & 0xff);

    96 	

    97 	frame->Append(ESetAbsoluteVolume);

    98 	frame->Append(TChar(AVC::EASingle));

    99 	

   100 	TUint16 len = KLengthSetAbsoluteVolumeRequestParameter<<8 & 0xffff;

   101 	TPckgBuf<TUint16> parameterLength(len);

   102 	frame->Append(parameterLength);

   103 	frame->Append(aAbsVol);

   104 	return frame;

   105 	}

   106 

   107 /** Returns a new CAVCFrame representing an AV/C 'Register notification absolute volume changed' command.

   108 @return An AV/C frame representing a 'Register notification absolute volume changed' command.

   109 @leave error

   110 */	

   111 CAVCFrame* AvrcpCommandFramer::NotifyVolumeChangeCommandL()

   112 	{

   113 	LOG_STATIC_FUNC

   114 	CAVCFrame* frame = CAVCFrame::NewL(AVC::ECommand, AVC::ENotify, AVC::EPanel, AVC::EID0);

   115 	frame->Append(TChar(AVC::EVendorDependent));

   116 	frame->Append(KBluetoothSIGVendorId>>16 & 0xff);	

   117 	frame->Append(KBluetoothSIGVendorId>>8 & 0xff);	

   118 	frame->Append(KBluetoothSIGVendorId & 0xff);

   119 	

   120 	frame->Append(ERegisterNotification);

   121 	frame->Append(TChar(AVC::EASingle));

   122 	

   123 	TUint16 len = KLengthNotifyVolumeChangeRequestParameter<<8 & 0xffff;

   124 	TPckgBuf<TUint16> parameterLength(len);

   125 	frame->Append(parameterLength);

   126 	frame->Append(ERegisterNotificationVolumeChanged);

   127 	

   128 	TBuf8<4> reservedBuffer(KLengthNotifyVolumeChangeRequestParameter - 1);

   129 	reservedBuffer.FillZ();

   130 	frame->Append(reservedBuffer);

   131 	return frame;

   132 	}