53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
#include <framework/osal/FreeRTOS/Mutex.h>
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#include <framework/serviceinterface/ServiceInterfaceStream.h>
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const uint32_t MutexIF::POLLING = 0;
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const uint32_t MutexIF::BLOCKING = portMAX_DELAY;
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Mutex::Mutex() {
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handle = xSemaphoreCreateMutex();
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if(handle == nullptr) {
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sif::error << "Mutex::Mutex(FreeRTOS): Creation failure" << std::endl;
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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(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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TickType_t timeout = MutexIF::POLLING;
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if(timeoutMs == MutexIF::BLOCKING) {
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timeout = MutexIF::BLOCKING;
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}
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else if(timeoutMs > MutexIF::POLLING){
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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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