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OSAL Event Processing

Barry Mok [HKU]
Intellectual 630 points
Other Parts Discussed in Thread: Z-STACK

 

Seeing that the size of tasksEvents is only 16 bits and according to Z-Stack 3.0 Developer's Guide 11.2.2: “The parameter to the task event handler is a 16-bit bitmask”.

 

Does it mean that the maximum number of the tasks that the OSAL can be handled is 16?

 

Thank you,

Barry

  • 0
    Guru 735625 points
    It is the max number of events can be registered to handle.
  • 0 in reply to YiKai Chen
    Intellectual 630 points
    Interestingly, if we have a look on the osalInitTasks() in the example of LightWitch, the number of tasks originally prepared by TI is 16 (if enable all the features). Does it mean we cannot add any additional task to the program?

    void osalInitTasks( void )
    {
    uint8 taskID = 0;

    tasksEvents = (uint16 *)osal_mem_alloc( sizeof( uint16 ) * tasksCnt);
    osal_memset( tasksEvents, 0, (sizeof( uint16 ) * tasksCnt));

    macTaskInit( taskID++ );
    nwk_init( taskID++ );
    #if (ZG_BUILD_RTR_TYPE)
    gp_Init( taskID++ );
    #endif
    Hal_Init( taskID++ );
    #if defined( MT_TASK )
    MT_TaskInit( taskID++ );
    #endif
    APS_Init( taskID++ );
    #if defined ( ZIGBEE_FRAGMENTATION )
    APSF_Init( taskID++ );
    #endif
    ZDApp_Init( taskID++ );
    #if defined ( ZIGBEE_FREQ_AGILITY ) || defined ( ZIGBEE_PANID_CONFLICT )
    ZDNwkMgr_Init( taskID++ );
    #endif
    // Added to include TouchLink functionality
    #if defined ( INTER_PAN )
    StubAPS_Init( taskID++ );
    #endif
    // Added to include TouchLink initiator functionality
    #if defined( BDB_TL_INITIATOR )
    touchLinkInitiator_Init( taskID++ );
    #endif
    // Added to include TouchLink target functionality
    #if defined ( BDB_TL_TARGET )
    touchLinkTarget_Init( taskID++ );
    #endif
    zcl_Init( taskID++ );
    bdb_Init( taskID++ );
    zclSampleSw_Init( taskID++ );
    #if (defined OTA_CLIENT) && (OTA_CLIENT == TRUE)
    zclOTA_Init( taskID );
    #endif
    }
  • 0 in reply to Barry Mok [HKU]
    Guru 735625 points
    Yes, it looks so.