fsfw/src/fsfw/osal/freertos/BinarySemaphore.cpp

99 lines
2.9 KiB
C++

#include "fsfw/osal/freertos/BinarySemaphore.h"
#include "fsfw/osal/freertos/TaskManagement.h"
#include "fsfw/serviceinterface/ServiceInterface.h"
BinarySemaphore::BinarySemaphore() {
handle = xSemaphoreCreateBinary();
if (handle == nullptr) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "Semaphore: Binary semaph creation failure" << std::endl;
#endif
}
// Initiated semaphore must be given before it can be taken.
xSemaphoreGive(handle);
}
BinarySemaphore::~BinarySemaphore() { vSemaphoreDelete(handle); }
BinarySemaphore::BinarySemaphore(BinarySemaphore&& s) {
handle = xSemaphoreCreateBinary();
if (handle == nullptr) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "Binary semaphore creation failure" << std::endl;
#endif
}
xSemaphoreGive(handle);
}
BinarySemaphore& BinarySemaphore::operator=(BinarySemaphore&& s) {
if (&s != this) {
handle = xSemaphoreCreateBinary();
if (handle == nullptr) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "Binary semaphore creation failure" << std::endl;
#endif
}
xSemaphoreGive(handle);
}
return *this;
}
ReturnValue_t BinarySemaphore::acquire(TimeoutType timeoutType, uint32_t timeoutMs) {
TickType_t timeout = 0;
if (timeoutType == TimeoutType::POLLING) {
timeout = 0;
} else if (timeoutType == TimeoutType::WAITING) {
timeout = pdMS_TO_TICKS(timeoutMs);
} else {
timeout = portMAX_DELAY;
}
return acquireWithTickTimeout(timeoutType, timeout);
}
ReturnValue_t BinarySemaphore::acquireWithTickTimeout(TimeoutType timeoutType,
TickType_t timeoutTicks) {
if (handle == nullptr) {
return SemaphoreIF::SEMAPHORE_INVALID;
}
BaseType_t returncode = xSemaphoreTake(handle, timeoutTicks);
if (returncode == pdPASS) {
return HasReturnvaluesIF::RETURN_OK;
} else {
return SemaphoreIF::SEMAPHORE_TIMEOUT;
}
}
ReturnValue_t BinarySemaphore::release() { return release(handle); }
ReturnValue_t BinarySemaphore::release(SemaphoreHandle_t semaphore) {
if (semaphore == nullptr) {
return SemaphoreIF::SEMAPHORE_INVALID;
}
BaseType_t returncode = xSemaphoreGive(semaphore);
if (returncode == pdPASS) {
return HasReturnvaluesIF::RETURN_OK;
} else {
return SemaphoreIF::SEMAPHORE_NOT_OWNED;
}
}
uint8_t BinarySemaphore::getSemaphoreCounter() const { return uxSemaphoreGetCount(handle); }
SemaphoreHandle_t BinarySemaphore::getSemaphore() { return handle; }
// Be careful with the stack size here. This is called from an ISR!
ReturnValue_t BinarySemaphore::releaseFromISR(SemaphoreHandle_t semaphore,
BaseType_t* higherPriorityTaskWoken) {
if (semaphore == nullptr) {
return SemaphoreIF::SEMAPHORE_INVALID;
}
BaseType_t returncode = xSemaphoreGiveFromISR(semaphore, higherPriorityTaskWoken);
if (returncode == pdPASS) {
return HasReturnvaluesIF::RETURN_OK;
} else {
return SemaphoreIF::SEMAPHORE_NOT_OWNED;
}
}