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Add test late timer start (retry #557) (#591)

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* Add test for timer start delayed past expiration

This reverts commit 53af0ec62e, which
itself reverted 9c91199016.

* Add warning about vTimerDemoIncludeBacklogTests()

* uncrustify for CI check

* Remove unintentional changes to spacing in comments
This commit is contained in:
Jeff Tenney 2022-08-18 13:54:14 -07:00 • committed by GitHub
parent 3693b3e8c9
commit 2e772110e3
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 63 additions and 4 deletions
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59
FreeRTOS/Demo/Common/Minimal/TimerDemo.c
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@ -364,7 +364,7 @@ static void prvTest2_CheckTaskAndTimersInitialState( void )
{
uint8_t ucTimer;
/* Ensure all the timers are in their expected initial state. This depends
/* Ensure all the timers are in their expected initial state. This depends
* on the timer service task having a higher priority than this task.
*
* auto-reload timers 0 to ( configTIMER_QUEUE_LENGTH - 1 ) should now be active,
@ -691,6 +691,8 @@ static void prvTest6_CheckAutoReloadResetBehaviour( void )
static void prvTest7_CheckBacklogBehaviour( void )
{
UBaseType_t uxOriginalPriority;
/* Use the first auto-reload timer to test stopping a timer from a
* backlogged callback. */
@ -739,6 +741,55 @@ static void prvTest7_CheckBacklogBehaviour( void )
/* Clear the reload count for the timer used in this test. */
ucAutoReloadTimerCounters[ 0 ] = ( uint8_t ) 0;
/* Verify a one-shot timer is marked as inactive if the timer task processes
* the start or reset request after the expiration time has passed. */
/* The timer has not been started yet! */
if( xTimerIsTimerActive( xOneShotTimer ) != pdFALSE )
{
xTestStatus = pdFAIL;
configASSERT( xTestStatus );
}
/* Use the timer period specific to backlogged timers because it reduces
* the impact on other tests that might be running when xTaskCatchUpTicks()
* creates the backlog, below. */
xTimerChangePeriod( xOneShotTimer, tmrdemoBACKLOG_TIMER_PERIOD, tmrdemoDONT_BLOCK );
/* Temporarily give this task maximum priority so it can cause the timer
* task to delay its processing of the reset request below. */
uxOriginalPriority = uxTaskPriorityGet( NULL );
vTaskPrioritySet( NULL, ( configMAX_PRIORITIES - 1 ) );
/* Reset the timer. The timer service won't process this request right
* away as noted above. */
xTimerReset( xOneShotTimer, tmrdemoDONT_BLOCK );
/* Cause the timer period to elapse without giving an opportunity for the
* timer service task to process the reset request. */
xTaskCatchUpTicks( tmrdemoBACKLOG_TIMER_PERIOD );
/* Return this task to its original priority. The timer service task will
* process the reset request immediately. The timer task must handle the reset
* request as if it were processed at the time of the request even though in
* this test the processing occurs after the intended expiration time. */
vTaskPrioritySet( NULL, uxOriginalPriority );
/* The timer should now be inactive. */
if( xTimerIsTimerActive( xOneShotTimer ) != pdFALSE )
{
xTestStatus = pdFAIL;
configASSERT( xTestStatus );
}
/* Restore the standard timer period, and leave the timer inactive. */
xTimerChangePeriod( xOneShotTimer, tmrdemoONE_SHOT_TIMER_PERIOD, tmrdemoDONT_BLOCK );
xTimerStop( xOneShotTimer, tmrdemoDONT_BLOCK );
/* Clear the counter for the timer used in this test. */
ucOneShotTimerCounter = ( uint8_t ) 0;
if( xTestStatus == pdPASS )
{
/* No errors have been reported so increment the loop counter so the check
@ -931,7 +982,7 @@ void vTimerPeriodicISRTests( void )
else if( uxTick == ( ( 3 * xBasePeriod ) + xMargin ) )
{
/* The auto-reload timer and one-shot timer will be active. At
* this time the auto-reload timer should have expired again, but the one
* this time the auto-reload timer should have expired again, but the one
* shot timer count should not have changed yet. */
if( ucISRAutoReloadTimerCounter != 3 )
{
@ -1063,8 +1114,8 @@ void vTimerPeriodicISRTests( void )
else if( uxTick == ( ( 12 * xBasePeriod ) - ( 2 * xMargin ) ) )
{
/* Only the one-shot timer should have been running and this time it
* should have expired. Check its callback count has been incremented.
* The auto-reload timer is still not running so should still have the same
* should have expired. Check its callback count has been incremented.
* The auto-reload timer is still not running so should still have the same
* count value. This time the one-shot timer is not reset so should not
* restart from its expiry period again. */
if( ucISRAutoReloadTimerCounter != 3 )