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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 

    18 /**

    19  @file

    20  @publishedPartner

    21 */

    22 

    23 #ifndef HCTLCHANNELOBSERVER_H

    24 #define HCTLCHANNELOBSERVER_H

    25 

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

    27 typedef TUint16 THCITransportChannel;	

    28 

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

    30 static const THCITransportChannel KHCITransportNoChannels		= 0x0000;

    31 

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

    33 static const THCITransportChannel KHCITransportCommandChannel	= 0x0001;

    34 

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

    36 static const THCITransportChannel KHCITransportACLDataChannel	= 0x0002;

    37 

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

    39 static const THCITransportChannel KHCITransportSCODataChannel	= 0x0004;

    40 

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

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

    43 																							   KHCITransportACLDataChannel | 

    44 																							   KHCITransportSCODataChannel);

    45 

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

    47 const TInt KHCTLChannelObserverUid = 0x102736EF;

    48 

    49 /**

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

    51 

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

    53 of the command and data sent over the HCTL.

    54 */

    55 class MHCTLChannelObserver

    56 	{

    57 public:

    58 	/**

    59 	Indication that a HCTL channel has been opened.

    60 

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

    62 	*/

    63 	virtual void MhcoChannelOpen(THCITransportChannel aChannels) =0;

    64 

    65 	/**

    66 	Indication that a HCTL channel has been closed.

    67 

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

    69 	*/

    70 	virtual void MhcoChannelClosed(THCITransportChannel aChannels) =0;

    71 	};

    72 

    73 #endif // HCTLCHANNELOBSERVER_H