/** * @file BinarySemaphore.cpp * * @date 25.02.2020 */ #include #include #include "portmacro.h" #include "task.h" BinarySemaphore::BinarySemaphore() { vSemaphoreCreateBinary(handle); if(handle == NULL) { error << "Binary semaphore creation failure" << std::endl; } } BinarySemaphore::~BinarySemaphore() { vSemaphoreDelete(handle); } ReturnValue_t BinarySemaphore::takeBinarySemaphore(uint32_t timeoutMs) { if(handle == NULL) { return HasReturnvaluesIF::RETURN_FAILED; } TickType_t timeout = portMAX_DELAY; if(timeoutMs != 0) { timeout = pdMS_TO_TICKS(timeoutMs); } BaseType_t returncode = xSemaphoreTake(handle, timeout); if (returncode == pdPASS) { return HasReturnvaluesIF::RETURN_OK; } else { return SEMAPHORE_NOT_FOUND; } } ReturnValue_t BinarySemaphore::takeBinarySemaphoreTickTimeout(TickType_t timeoutTicks) { if(handle == NULL) { return SEMAPHORE_NOT_FOUND; } BaseType_t returncode = xSemaphoreTake(handle, timeoutTicks); if (returncode == pdPASS) { return HasReturnvaluesIF::RETURN_OK; } else { return SEMAPHORE_TIMEOUT; } } ReturnValue_t BinarySemaphore::giveBinarySemaphore() { if (handle == NULL) { return HasReturnvaluesIF::RETURN_FAILED; } BaseType_t returncode = xSemaphoreGive(handle); if (returncode == pdPASS) { return HasReturnvaluesIF::RETURN_OK; } else { return SEMAPHORE_NOT_OWNED; } } SemaphoreHandle_t BinarySemaphore::getSemaphore() { return handle; } ReturnValue_t giveBinarySemaphore(SemaphoreHandle_t semaphore) { if (semaphore == NULL) { return HasReturnvaluesIF::RETURN_FAILED; } BaseType_t returncode = xSemaphoreGive(semaphore); if (returncode == pdPASS) { return HasReturnvaluesIF::RETURN_OK; } else { return HasReturnvaluesIF::RETURN_FAILED; } } ReturnValue_t giveBinarySemaphoreFromISR(SemaphoreHandle_t semaphore, BaseType_t * higherPriorityTaskWoken) { if (semaphore == NULL) { return HasReturnvaluesIF::RETURN_FAILED; } BaseType_t returncode = xSemaphoreGiveFromISR(semaphore, higherPriorityTaskWoken); if (returncode == pdPASS) { if(*higherPriorityTaskWoken == pdPASS) { // Request context switch portYIELD_FROM_ISR(); } return HasReturnvaluesIF::RETURN_OK; } else { return HasReturnvaluesIF::RETURN_FAILED; } }