1 // Copyright (c) 2007-2010 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 // Trace Core

    15 //

    16 

    17 #ifndef __TRACECORECOMMON_H__

    18 #define __TRACECORECOMMON_H__

    19 

    20 #include <opensystemtrace.h>

    21 

    22 /**

    23  * Checks whether a given Group ID is valid or not

    24  *

    25  * @param aGroupId The group ID

    26  * @return ETrue if group ID is valid, EFalse if not

    27  */

    28 inline TBool GroupIdIsValid( TUint32 aGroupId )

    29     {

    30     return aGroupId <= KMaxGroupId ;

    31     }

    32 

    33 /**

    34  * Checks whether a given Component ID is valid or not

    35  *

    36  * @param aComponentId The component ID

    37  * @return ETrue if group ID is valid, EFalse if not

    38  */

    39 inline TBool ComponentIdIsValid( TUint32 aComponentId )

    40     {

    41     return  aComponentId >0 ;

    42     }

    43 

    44 /**

    45  * Converts aGroupId from a trace word to a group ID:

    46  * If aGroupId is 16-bit it is returned unchanged

    47  * If aGroupId is 32-bit the top 16-bits are returned

    48  * @param aGroupId The group ID

    49  * @return The part of the input parameter containing the group ID

    50  */

    51 inline TUint32 FixGroupId( TUint32 aGroupId )

    52     {

    53     TUint32 groupId = aGroupId;

    54     // Get top 16 bits of groupId

    55     TUint32 top16bits = (groupId & 0xffff0000) >> GROUPIDSHIFT;

    56     // If top 16 bits are non-zero, assume they contain the Group ID

    57     if ( top16bits != 0 )

    58         {

    59         groupId = top16bits;

    60         }

    61     return groupId;

    62     }

    63 

    64 #endif

    65 

    66 // End of File