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hotfix for deadline checking

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This commit is contained in:
Robin Müller 2020-07-29 20:07:24 +02:00
parent 276c3b172e
commit 18899a4c82
2 changed files with 18 additions and 20 deletions
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19
osal/FreeRTOS/FixedTimeslotTask.cpp
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@ -125,19 +125,18 @@ void FixedTimeslotTask::checkMissedDeadline(const TickType_t xLastWakeTime,
* it. */
TickType_t currentTickCount = xTaskGetTickCount();
TickType_t timeToWake = xLastWakeTime + interval;
// Tick count has overflown
if(currentTickCount < xLastWakeTime) {
// Time to wake has overflown as well. If the tick count
// is larger than the time to wake, a deadline was missed.
if(timeToWake < xLastWakeTime and
currentTickCount > timeToWake) {
// Time to wake has not overflown.
if(timeToWake > xLastWakeTime) {
/* If the current time has overflown exclusively or the current
* tick count is simply larger than the time to wake, a deadline was
* missed */
if((currentTickCount < xLastWakeTime) or (currentTickCount > timeToWake)) {
handleMissedDeadline();
}
}
// No tick count overflow. If the timeToWake has not overflown
// and the current tick count is larger than the time to wake,
// a deadline was missed.
else if(timeToWake > xLastWakeTime and currentTickCount > timeToWake) {
/* Time to wake has overflown. A deadline was missed if the current time
* is larger than the time to wake */
else if((timeToWake < xLastWakeTime) and (currentTickCount > timeToWake)) {
handleMissedDeadline();
}
}

19
osal/FreeRTOS/PeriodicTask.cpp
View File

@ -109,19 +109,18 @@ void PeriodicTask::checkMissedDeadline(const TickType_t xLastWakeTime,
* it. */
TickType_t currentTickCount = xTaskGetTickCount();
TickType_t timeToWake = xLastWakeTime + interval;
// Tick count has overflown
if(currentTickCount < xLastWakeTime) {
// Time to wake has overflown as well. If the tick count
// is larger than the time to wake, a deadline was missed.
if(timeToWake < xLastWakeTime and
currentTickCount > timeToWake) {
// Time to wake has not overflown.
if(timeToWake > xLastWakeTime) {
/* If the current time has overflown exclusively or the current
* tick count is simply larger than the time to wake, a deadline was
* missed */
if((currentTickCount < xLastWakeTime) or (currentTickCount > timeToWake)) {
handleMissedDeadline();
}
}
// No tick count overflow. If the timeToWake has not overflown
// and the current tick count is larger than the time to wake,
// a deadline was missed.
else if(timeToWake > xLastWakeTime and currentTickCount > timeToWake) {
/* Time to wake has overflown. A deadline was missed if the current time
* is larger than the time to wake */
else if((timeToWake < xLastWakeTime) and (currentTickCount > timeToWake)) {
handleMissedDeadline();
}
}