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Commit before update to include overflow list functionality.

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This commit is contained in:
Richard Barry 2011-02-10 17:20:36 +00:00
parent f9148de3cc
commit 0552fc86bf
1 changed files with 10 additions and 16 deletions
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26
Source/timers.c
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@ -79,7 +79,7 @@ typedef struct tmrTimerControl
tmrTIMER_CALLBACK pxCallbackFunction; /*<< The function that will be called when the timer expires. */
} xTIMER;
/* The definition of messages that can be sent and received on the timer
/* The definition of messages that can be sent and received on the timer
queue. */
typedef struct tmrTimerQueueMessage
{
@ -99,7 +99,7 @@ PRIVILEGED_DATA static xQueueHandle xTimerQueue = NULL;
/*-----------------------------------------------------------*/
/*
/*
* Initialise the infrustructure used by the timer service task if it has not
* been initialised already.
*/
@ -107,20 +107,14 @@ static void prvCheckForValidListAndQueue( void ) PRIVILEGED_FUNCTION;
/*
* The timer service task (daemon). Timer functionality is controlled by this
* task. Other tasks communicate with the timer service task using the
* task. Other tasks communicate with the timer service task using the
* xTimerQueue queue.
*/
static void prvTimerTask( void *pvParameters ) PRIVILEGED_FUNCTION;
/*
* The following functions handle the commands that are sent to the timer
* service task via the xTimerQueue queue.
*/
static void prvTimerStart( xTIMER *pxTimer ) PRIVILEGED_FUNCTION;
/*
* Called by the timer service task to interpret and process a command it
* received on the timer queue.
* received on the timer queue.
*/
static void prvProcessReceivedCommands( void ) PRIVILEGED_FUNCTION;
@ -130,7 +124,7 @@ portBASE_TYPE xTimerCreateTimerTask( void )
{
portBASE_TYPE xReturn = pdFAIL;
/* This function is called when the scheduler is started if
/* This function is called when the scheduler is started if
configUSE_TIMERS is set to 1. Check that the infrustructure used by the
timer service task has been created/initialised. If timers have already
been created then the initialisation will already have been performed. */
@ -138,7 +132,7 @@ portBASE_TYPE xReturn = pdFAIL;
if( xTimerQueue != NULL )
{
xReturn = xTaskCreate( prvTimerTask, ( const signed char * ) "Timers", configTIMER_TASK_STACK_DEPTH, NULL, configTIMER_TASK_PRIORITY, NULL );
xReturn = xTaskCreate( prvTimerTask, ( const signed char * ) "Timer Service", configTIMER_TASK_STACK_DEPTH, NULL, configTIMER_TASK_PRIORITY, NULL );
}
return xReturn;
@ -249,15 +243,15 @@ xTIMER *pxTimer;
xTimeNow = xTaskGetTickCount();
if( xTimeNow < xNextExpireTime )
{
/* This is a simple fast function - a yield will not be
/* This is a simple fast function - a yield will not be
performed until after this critical section exits. */
vQueueWaitForMessageRestricted( xTimerQueue, ( xNextExpireTime - xTimeNow ) );
}
}
taskEXIT_CRITICAL();
/* Yield to wait for either a command to arrive, or the block time
to expire. If a command arrived between the critical section being
/* Yield to wait for either a command to arrive, or the block time
to expire. If a command arrived between the critical section being
exited and this yeild then the yield will just return to the same
task. */
portYIELD_WITHIN_API();
@ -326,7 +320,7 @@ xTIMER *pxTimer;
static void prvCheckForValidListAndQueue( void )
{
/* Check that the list from which active timers are referenced, and the
queue used to communicate with the timer service, have been
queue used to communicate with the timer service, have been
initialised. */
taskENTER_CRITICAL();
{