static void prvCheckOtherTasksAreStillRunning( void )
{
short sErrorHasOccurred = pdFALSE;
if( xAreComTestTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Com test count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
{
vDisplayMessage( "Integer maths task count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreBlockingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Blocking queues count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xArePollingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Polling queue count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xIsCreateTaskStillRunning() != pdTRUE )
{
vDisplayMessage( "Incorrect number of tasks running!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreSemaphoreTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Semaphore take count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( sErrorHasOccurred == pdFALSE )
{
vDisplayMessage( "OK " );
/* Toggle the LED if everything is okay so we know if an error occurs even if not
using console IO. */
prvToggleLED();
}
else
{
for( ;; )
{
/* An error has occurred in one of the tasks. Don't go any further and
flash the LED rapidly in case console IO is not being used. */
prvToggleLED();
vTaskDelay( mainERROR_FLASH_RATE );
}
}
}
static void prvCheckOtherTasksAreStillRunning( void )
{
static short sErrorHasOccurred = pdFALSE;
static unsigned long long uxLastHookCallCount = 0, uxLastQueueSendCount = 0;
if( prvCheckMathTasksAreStillRunning() != pdTRUE )
{
vDisplayMessage( "Maths task count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreComTestTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Com test count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreBlockingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Blocking queues count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreAltBlockingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Alt blocking queues count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xArePollingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Polling queue count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreAltPollingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Alt polling queue count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xIsCreateTaskStillRunning() != pdTRUE )
{
vDisplayMessage( "Incorrect number of tasks running!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreSemaphoreTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Semaphore take count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Dynamic priority count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreMultiEventTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in multi events tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreFlashCoRoutinesStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in co-routine flash tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreHookCoRoutinesStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in tick hook to co-routine communications!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in block time test tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreAltBlockTimeTestTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in fast block time test tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreGenericQueueTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in generic queue test task!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreAltGenericQueueTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in fast generic queue test task!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreQueuePeekTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in queue peek test task!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreCountingSemaphoreTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in counting semaphore demo task!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in recursive mutex tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
/* The hook function associated with this task is called each time the task
is switched in. We therefore expect the number of times the callback
function has been executed to have increrment since the last time this
function executed. */
if( uxCheckTaskHookCallCount <= uxLastHookCallCount )
{
vDisplayMessage( "Error in task hook call count!\r\n" );
sErrorHasOccurred = pdTRUE;
}
else
{
uxLastHookCallCount = uxCheckTaskHookCallCount;
}
/* We would expect some queue sending to occur between calls of this
function. */
if( uxQueueSendPassedCount <= uxLastQueueSendCount )
{
vDisplayMessage( "Error in queue send hook call count!\r\n" );
sErrorHasOccurred = pdTRUE;
}
else
{
uxLastQueueSendCount = uxQueueSendPassedCount;
}
if( sErrorHasOccurred == pdFALSE )
{
vDisplayMessage( "OK " );
}
}
static void vErrorChecks( void *pvParameters )
{
portTickType xExpectedWakeTime;
const portTickType xPrintRate = ( portTickType ) 5000 / portTICK_RATE_MS;
const long lMaxAllowableTimeDifference = ( long ) 0;
portTickType xWakeTime;
long lTimeDifference;
const char *pcReceivedMessage;
const char * const pcTaskBlockedTooLongMsg = "Print task blocked too long!\r\n";
const char * const pcUnexpectedHookValueMsg = "Task hook has unexpected value!\r\n";
( void ) pvParameters;
/* Register our callback function. */
vTaskSetApplicationTaskTag( NULL, prvExampleTaskHook );
/* Just for test purposes. */
if( xTaskGetApplicationTaskTag( NULL ) != prvExampleTaskHook )
{
vPrintDisplayMessage( &pcUnexpectedHookValueMsg );
}
/* Loop continuously, blocking, then checking all the other tasks are still
running, before blocking once again. This task blocks on the queue of
messages that require displaying so will wake either by its time out expiring,
or a message becoming available. */
for( ;; )
{
/* Calculate the time we will unblock if no messages are received
on the queue. This is used to check that we have not blocked for too long. */
xExpectedWakeTime = xTaskGetTickCount();
xExpectedWakeTime += xPrintRate;
/* Block waiting for either a time out or a message to be posted that
required displaying. */
pcReceivedMessage = pcPrintGetNextMessage( xPrintRate );
/* Was a message received? */
if( pcReceivedMessage == NULL )
{
/* A message was not received so we timed out, did we unblock at the
expected time? */
xWakeTime = xTaskGetTickCount();
/* Calculate the difference between the time we unblocked and the
time we should have unblocked. */
if( xWakeTime > xExpectedWakeTime )
{
lTimeDifference = ( long ) ( xWakeTime - xExpectedWakeTime );
}
else
{
lTimeDifference = ( long ) ( xExpectedWakeTime - xWakeTime );
}
if( lTimeDifference > lMaxAllowableTimeDifference )
{
/* We blocked too long - create a message that will get
printed out the next time around. If we are not using
preemption then we won't expect the timing to be so
accurate. */
if( sUsingPreemption == pdTRUE )
{
vPrintDisplayMessage( &pcTaskBlockedTooLongMsg );
}
}
/* Check the other tasks are still running, just in case. */
prvCheckOtherTasksAreStillRunning();
}
else
{
/* We unblocked due to a message becoming available. Send the message
for printing. */
vDisplayMessage( pcReceivedMessage );
}
/* Key presses are used to invoke the trace visualisation utility, or end
the program. */
prvCheckForKeyPresses();
}
}
static void prvCheckOtherTasksAreStillRunning( void )
{
static portSHORT sErrorHasOccurred = pdFALSE;
if( prvCheckMathTasksAreStillRunning() != pdTRUE )
{
vDisplayMessage( "Maths task count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreComTestTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Com test count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreBlockingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Blocking queues count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreAltBlockingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Alt blocking queues count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xArePollingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Polling queue count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreAltPollingQueuesStillRunning() != pdTRUE )
{
vDisplayMessage( "Alt polling queue count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xIsCreateTaskStillRunning() != pdTRUE )
{
vDisplayMessage( "Incorrect number of tasks running!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreSemaphoreTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Semaphore take count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Dynamic priority count unchanged!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreMultiEventTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in multi events tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreFlashCoRoutinesStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in co-routine flash tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreHookCoRoutinesStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in tick hook to co-routine communications!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in block time test tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreAltBlockTimeTestTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in fast block time test tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreGenericQueueTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in generic queue test task!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreAltGenericQueueTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in fast generic queue test task!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreQueuePeekTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in queue peek test task!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreCountingSemaphoreTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in counting semaphore demo task!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
{
vDisplayMessage( "Error in recursive mutex tasks!\r\n" );
sErrorHasOccurred = pdTRUE;
}
if( sErrorHasOccurred == pdFALSE )
{
vDisplayMessage( "OK " );
}
}
static void vErrorChecks( void *pvParameters )
{
portTickType xExpectedWakeTime;
const portTickType xPrintRate = ( portTickType ) 5000 / portTICK_RATE_MS;
const long lMaxAllowableTimeDifference = ( long ) 0;
portTickType xWakeTime;
long lTimeDifference;
const char *pcReceivedMessage;
const char * const pcTaskBlockedTooLongMsg = "Print task blocked too long!\r\n";
/* Stop warnings. */
( void ) pvParameters;
/* Loop continuously, blocking, then checking all the other tasks are still
running, before blocking once again. This task blocks on the queue of messages
that require displaying so will wake either by its time out expiring, or a
message becoming available. */
for( ;; )
{
/* Calculate the time we will unblock if no messages are received
on the queue. This is used to check that we have not blocked for too long. */
xExpectedWakeTime = xTaskGetTickCount();
xExpectedWakeTime += xPrintRate;
/* Block waiting for either a time out or a message to be posted that
required displaying. */
pcReceivedMessage = pcPrintGetNextMessage( xPrintRate );
/* Was a message received? */
if( pcReceivedMessage == NULL )
{
/* A message was not received so we timed out, did we unblock at the
expected time? */
xWakeTime = xTaskGetTickCount();
/* Calculate the difference between the time we unblocked and the
time we should have unblocked. */
if( xWakeTime > xExpectedWakeTime )
{
lTimeDifference = ( long ) ( xWakeTime - xExpectedWakeTime );
}
else
{
lTimeDifference = ( long ) ( xExpectedWakeTime - xWakeTime );
}
if( lTimeDifference > lMaxAllowableTimeDifference )
{
/* We blocked too long - create a message that will get
printed out the next time around. */
vPrintDisplayMessage( &pcTaskBlockedTooLongMsg );
}
/* Check the other tasks are still running, just in case. */
prvCheckOtherTasksAreStillRunning();
}
else
{
/* We unblocked due to a message becoming available. Send the message
for printing. */
vDisplayMessage( pcReceivedMessage );
}
/* Key presses are used to invoke the trace visualisation utility, or
end the program. */
prvCheckForKeyPresses();
}
} /*lint !e715 !e818 pvParameters is not used but all task functions must take this form. */
