seperation of semaph implementations finished

osal/FreeRTOS/BinSemaphUsingTask.cpp

@@ -0,0 +1,95 @@
+#include <framework/osal/FreeRTOS/BinSemaphUsingTask.h>
+#include <framework/osal/FreeRTOS/TaskManagement.h>
+
+
+BinarySemaphoreUsingTask::BinarySemaphoreUsingTask() {
+	handle = TaskManagement::getCurrentTaskHandle();
+}
+
+ReturnValue_t BinarySemaphoreUsingTask::acquire(uint32_t timeoutMs) {
+	return takeBinarySemaphore(timeoutMs);
+}
+
+ReturnValue_t BinarySemaphoreUsingTask::release() {
+	return giveBinarySemaphore();
+}
+
+ReturnValue_t BinarySemaphoreUsingTask::takeBinarySemaphore(uint32_t timeoutMs) {
+	TickType_t timeout = SemaphoreIF::NO_TIMEOUT;
+	if(timeoutMs == SemaphoreIF::MAX_TIMEOUT) {
+	    timeout = SemaphoreIF::MAX_TIMEOUT;
+	}
+	else if(timeoutMs > BinarySemaphoreUsingTask::NO_TIMEOUT){
+	    timeout = pdMS_TO_TICKS(timeoutMs);
+	}
+
+	BaseType_t returncode = ulTaskNotifyTake(pdTRUE, timeout);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+	else {
+	    return SemaphoreIF::SEMAPHORE_TIMEOUT;
+	}
+}
+
+ReturnValue_t BinarySemaphoreUsingTask::takeBinarySemaphoreTickTimeout(
+        TickType_t timeoutTicks) {
+	BaseType_t returncode = ulTaskNotifyTake(pdTRUE, timeoutTicks);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	} else {
+		return SEMAPHORE_TIMEOUT;
+	}
+}
+
+ReturnValue_t BinarySemaphoreUsingTask::giveBinarySemaphore() {
+	BaseType_t returncode = xTaskNotifyGive(handle);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	} else {
+		return SEMAPHORE_NOT_OWNED;
+	}
+}
+
+TaskHandle_t BinarySemaphoreUsingTask::getTaskHandle() {
+	return handle;
+}
+
+uint8_t BinarySemaphoreUsingTask::getSemaphoreCounter() {
+	uint32_t notificationValue;
+	xTaskNotifyAndQuery(handle, 0, eNoAction, &notificationValue);
+	return notificationValue;
+}
+
+uint8_t BinarySemaphoreUsingTask::getSemaphoreCounterFromISR(TaskHandle_t taskHandle) {
+	uint32_t notificationValue;
+	BaseType_t higherPriorityTaskWoken;
+	xTaskNotifyAndQueryFromISR(taskHandle, 0, eNoAction, &notificationValue,
+			&higherPriorityTaskWoken);
+	if(higherPriorityTaskWoken) {
+		TaskManagement::requestContextSwitch(CallContext::isr);
+	}
+	return notificationValue;
+}
+
+
+ReturnValue_t BinarySemaphoreUsingTask::giveBinarySemaphore(TaskHandle_t taskHandle) {
+	BaseType_t returncode = xTaskNotifyGive(taskHandle);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	} else {
+		return SEMAPHORE_NOT_OWNED;
+	}
+}
+
+// Be careful with the stack size here. This is called from an ISR!
+ReturnValue_t BinarySemaphoreUsingTask::giveBinarySemaphoreFromISR(
+		TaskHandle_t taskHandle, BaseType_t * higherPriorityTaskWoken) {
+	vTaskNotifyGiveFromISR(taskHandle, higherPriorityTaskWoken);
+	if(*higherPriorityTaskWoken == pdPASS) {
+		// Request context switch because unblocking the semaphore
+		// caused a high priority task unblock.
+		TaskManagement::requestContextSwitch(CallContext::isr);
+	}
+	return HasReturnvaluesIF::RETURN_OK;
+}