dynamic.h File Reference

Go to the source code of this file.

Functions
void	vStartDynamicPriorityTasks (void)
portBASE_TYPE	xAreDynamicPriorityTasksStillRunning (void)

---

Function Documentation

void vStartDynamicPriorityTasks

(

void

)

Definition at line 167 of file dynamic.c.

References priSTACK_SIZE, priSUSPENDED_QUEUE_LENGTH, tskIDLE_PRIORITY, ulCounter, vQueueAddToRegistry, xContinousIncrementHandle, xLimitedIncrementHandle, xQueueCreate(), xSuspendedTestQueue, and xTaskCreate.

Referenced by main().

{
    xSuspendedTestQueue = xQueueCreate( priSUSPENDED_QUEUE_LENGTH, sizeof( unsigned long ) );

    /* vQueueAddToRegistry() adds the queue to the queue registry, if one is
    in use.  The queue registry is provided as a means for kernel aware 
    debuggers to locate queues and has no purpose if a kernel aware debugger
    is not being used.  The call to vQueueAddToRegistry() will be removed
    by the pre-processor if configQUEUE_REGISTRY_SIZE is not defined or is 
    defined to be less than 1. */
    vQueueAddToRegistry( xSuspendedTestQueue, ( signed char * ) "Suspended_Test_Queue" );

    xTaskCreate( vContinuousIncrementTask, ( signed char * ) "CNT_INC", priSTACK_SIZE, ( void * ) &ulCounter, tskIDLE_PRIORITY, &xContinousIncrementHandle );
    xTaskCreate( vLimitedIncrementTask, ( signed char * ) "LIM_INC", priSTACK_SIZE, ( void * ) &ulCounter, tskIDLE_PRIORITY + 1, &xLimitedIncrementHandle );
    xTaskCreate( vCounterControlTask, ( signed char * ) "C_CTRL", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
    xTaskCreate( vQueueSendWhenSuspendedTask, ( signed char * ) "SUSP_TX", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
    xTaskCreate( vQueueReceiveWhenSuspendedTask, ( signed char * ) "SUSP_RX", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
}

portBASE_TYPE xAreDynamicPriorityTasksStillRunning

(

void

)

Definition at line 399 of file dynamic.c.

References pdFALSE, pdTRUE, portBASE_TYPE, usCheckVariable, xSuspendedQueueReceiveError, and xSuspendedQueueSendError.

Referenced by prvCheckOtherTasksAreStillRunning().

{
/* Keep a history of the check variables so we know if it has been incremented 
since the last call. */
static unsigned short usLastTaskCheck = ( unsigned short ) 0;
portBASE_TYPE xReturn = pdTRUE;

    /* Check the tasks are still running by ensuring the check variable
    is still incrementing. */

    if( usCheckVariable == usLastTaskCheck )
    {
        /* The check has not incremented so an error exists. */
        xReturn = pdFALSE;
    }

    if( xSuspendedQueueSendError == pdTRUE )
    {
        xReturn = pdFALSE;
    }

    if( xSuspendedQueueReceiveError == pdTRUE )
    {
        xReturn = pdFALSE;
    }

    usLastTaskCheck = usCheckVariable;
    return xReturn;
}