fsfw/osal/rtems/PeriodicTask.cpp

84 lines
2.8 KiB
C++

#include "PeriodicTask.h"
#include "../../serviceinterface/ServiceInterface.h"
#include "../../tasks/ExecutableObjectIF.h"
PeriodicTask::PeriodicTask(const char *name, rtems_task_priority setPriority,
size_t setStack, rtems_interval setPeriod, void (*setDeadlineMissedFunc)()) :
RTEMSTaskBase(setPriority, setStack, name),
periodTicks(RtemsBasic::convertMsToTicks(setPeriod)),
deadlineMissedFunc(setDeadlineMissedFunc) {
}
PeriodicTask::~PeriodicTask(void) {
/* Do not delete objects, we were responsible for pointers only. */
rtems_rate_monotonic_delete(periodId);
}
rtems_task PeriodicTask::taskEntryPoint(rtems_task_argument argument) {
/* The argument is re-interpreted as MultiObjectTask. The Task object is global,
so it is found from any place. */
PeriodicTask *originalTask(reinterpret_cast<PeriodicTask*>(argument));
return originalTask->taskFunctionality();;
}
ReturnValue_t PeriodicTask::startTask() {
rtems_status_code status = rtems_task_start(id, PeriodicTask::taskEntryPoint,
rtems_task_argument((void *) this));
if (status != RTEMS_SUCCESSFUL) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "ObjectTask::startTask for " << std::hex << this->getId()
<< std::dec << " failed." << std::endl;
#endif
}
switch(status){
case RTEMS_SUCCESSFUL:
/* Task started successfully */
return HasReturnvaluesIF::RETURN_OK;
default:
/* RTEMS_INVALID_ADDRESS - invalid task entry point
RTEMS_INVALID_ID - invalid task id
RTEMS_INCORRECT_STATE - task not in the dormant state
RTEMS_ILLEGAL_ON_REMOTE_OBJECT - cannot start remote task */
return HasReturnvaluesIF::RETURN_FAILED;
}
}
ReturnValue_t PeriodicTask::sleepFor(uint32_t ms) {
return RTEMSTaskBase::sleepFor(ms);
}
void PeriodicTask::taskFunctionality() {
RTEMSTaskBase::setAndStartPeriod(periodTicks,&periodId);
for (const auto& object: objectList) {
object->initializeAfterTaskCreation();
}
/* The task's "infinite" inner loop is entered. */
while (1) {
for (const auto& object: objectList) {
object->performOperation();
}
rtems_status_code status = RTEMSTaskBase::restartPeriod(periodTicks,periodId);
if (status == RTEMS_TIMEOUT) {
if (this->deadlineMissedFunc != nullptr) {
this->deadlineMissedFunc();
}
}
}
}
ReturnValue_t PeriodicTask::addComponent(object_id_t object) {
ExecutableObjectIF* newObject = objectManager->get<ExecutableObjectIF>(object);
if (newObject == nullptr) {
return HasReturnvaluesIF::RETURN_FAILED;
}
objectList.push_back(newObject);
newObject->setTaskIF(this);
return HasReturnvaluesIF::RETURN_OK;
}
uint32_t PeriodicTask::getPeriodMs() const {
return RtemsBasic::convertTicksToMs(periodTicks);
}