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