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  @publishedPartner

    19  @released

    20 */

    21 

    22 #ifndef HCTLCHANNELOBSERVER_H

    23 #define HCTLCHANNELOBSERVER_H

    24 

    25 #include <e32base.h>

    26 

    27 /** Definition of the HCI transport channel type */

    28 typedef TUint16 THCITransportChannel;	

    29 

    30 /** No HCI transport channels available for sending */

    31 static const THCITransportChannel KHCITransportNoChannels		= 0x0000;

    32 

    33 /** Command HCI transport channel available for sending */

    34 static const THCITransportChannel KHCITransportCommandChannel	= 0x0001;

    35 

    36 /** ACL data HCI transport channel available for sending */

    37 static const THCITransportChannel KHCITransportACLDataChannel	= 0x0002;

    38 

    39 /** SCO data HCI transport channel available for sending */

    40 static const THCITransportChannel KHCITransportSCODataChannel	= 0x0004;

    41 

    42 /** All HCI transport channels available for sending */

    43 static const THCITransportChannel KHCITransportAllChannels = static_cast<THCITransportChannel>(KHCITransportCommandChannel | 

    44 																							   KHCITransportACLDataChannel | 

    45 																							   KHCITransportSCODataChannel);

    46 

    47 /** The UID associated with the MHCTLChannelObserver interface. */

    48 const TInt KHCTLChannelObserverUid = 0x102736EF;

    49 

    50 /**

    51 API for observing information regarding the status of a HCTL channel.

    52 

    53 This should be implemented by the stack so it can control the multiplexing

    54 of the command and data sent over the HCTL.

    55 */

    56 class MHCTLChannelObserver

    57 	{

    58 public:

    59 	/**

    60 	Indication that a HCTL channel has been opened.

    61 

    62 	@param aChannel A bitmask containing the channels which are now open.

    63 	*/

    64 	virtual void MhcoChannelOpen(THCITransportChannel aChannels) =0;

    65 

    66 	/**

    67 	Indication that a HCTL channel has been closed.

    68 

    69 	@param aChannel A bitmask containing the channels which are now closed.

    70 	*/

    71 	virtual void MhcoChannelClosed(THCITransportChannel aChannels) =0;

    72 	};

    73 

    74 #endif // HCTLCHANNELOBSERVER_H