54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#include "Mutex.h"
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#include "../../serviceinterface/ServiceInterfaceStream.h"
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Mutex::Mutex() {
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handle = xSemaphoreCreateMutex();
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if(handle == nullptr) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::error << "Mutex::Mutex(FreeRTOS): Creation failure" << std::endl;
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#endif
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}
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}
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Mutex::~Mutex() {
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if (handle != nullptr) {
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vSemaphoreDelete(handle);
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}
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}
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ReturnValue_t Mutex::lockMutex(TimeoutType timeoutType,
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uint32_t timeoutMs) {
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if (handle == nullptr) {
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return MutexIF::MUTEX_NOT_FOUND;
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}
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// If the timeout type is BLOCKING, this will be the correct value.
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uint32_t timeout = portMAX_DELAY;
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if(timeoutType == TimeoutType::POLLING) {
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timeout = 0;
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}
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else if(timeoutType == TimeoutType::WAITING){
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timeout = pdMS_TO_TICKS(timeoutMs);
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}
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BaseType_t returncode = xSemaphoreTake(handle, timeout);
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if (returncode == pdPASS) {
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return HasReturnvaluesIF::RETURN_OK;
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} else {
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return MutexIF::MUTEX_TIMEOUT;
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}
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}
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ReturnValue_t Mutex::unlockMutex() {
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if (handle == nullptr) {
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return MutexIF::MUTEX_NOT_FOUND;
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}
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BaseType_t returncode = xSemaphoreGive(handle);
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if (returncode == pdPASS) {
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return HasReturnvaluesIF::RETURN_OK;
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} else {
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return MutexIF::CURR_THREAD_DOES_NOT_OWN_MUTEX;
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}
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}
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