fsfw/osal/FreeRTOS/CountingSemaphore.cpp

#include "CountingSemaphore.h"
#include "TaskManagement.h"

#include "../../serviceinterface/ServiceInterfaceStream.h"

#include <freertos/semphr.h>

// Make sure #define configUSE_COUNTING_SEMAPHORES 1 is set in
// free FreeRTOSConfig.h file.
CountingSemaphore::CountingSemaphore(const uint8_t maxCount, uint8_t initCount):
		maxCount(maxCount), initCount(initCount) {
	if(initCount > maxCount) {
#if CPP_OSTREAM_ENABLED == 1
		sif::error << "CountingSemaphoreUsingTask: Max count bigger than "
				"intial cout. Setting initial count to max count." << std::endl;
#endif
		initCount = maxCount;
	}

	handle = xSemaphoreCreateCounting(maxCount, initCount);
	if(handle == nullptr) {
#if CPP_OSTREAM_ENABLED == 1
		sif::error << "CountingSemaphore: Creation failure" << std::endl;
#endif
	}
}

CountingSemaphore::CountingSemaphore(CountingSemaphore&& other):
		maxCount(other.maxCount), initCount(other.initCount) {
	handle = xSemaphoreCreateCounting(other.maxCount, other.initCount);
	if(handle == nullptr) {
#if CPP_OSTREAM_ENABLED == 1
		sif::error << "CountingSemaphore: Creation failure" << std::endl;
#endif
	}
}

CountingSemaphore& CountingSemaphore::operator =(
		CountingSemaphore&& other) {
	handle = xSemaphoreCreateCounting(other.maxCount, other.initCount);
	if(handle == nullptr) {
#if CPP_OSTREAM_ENABLED == 1
		sif::error << "CountingSemaphore: Creation failure" << std::endl;
#endif
	}
	return * this;
}


uint8_t CountingSemaphore::getMaxCount() const {
	return maxCount;
}