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counting semaph implementation finished

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This commit is contained in:
Robin Müller
2020-05-27 22:12:52 +02:00
parent 95bf5c1071
commit 63dbf99592
8 changed files with 154 additions and 87 deletions
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88
osal/FreeRTOS/CountingSemaphUsingTask.cpp
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@ -2,7 +2,7 @@
#include <framework/osal/FreeRTOS/TaskManagement.h>
#include <framework/serviceinterface/ServiceInterfaceStream.h>
CountingSemaphoreUsingTask::CountingSemaphoreUsingTask(uint8_t maxCount,
CountingSemaphoreUsingTask::CountingSemaphoreUsingTask(const uint8_t maxCount,
uint8_t initCount): maxCount(maxCount) {
if(initCount > maxCount) {
sif::error << "CountingSemaphoreUsingTask: Max count bigger than "
@ -17,13 +17,93 @@ CountingSemaphoreUsingTask::CountingSemaphoreUsingTask(uint8_t maxCount,
}
ReturnValue_t CountingSemaphoreUsingTask::acquire(uint32_t timeoutMs) {
return HasReturnvaluesIF::RETURN_OK;
TickType_t timeout = SemaphoreIF::NO_TIMEOUT;
if(timeoutMs == SemaphoreIF::MAX_TIMEOUT) {
timeout = SemaphoreIF::MAX_TIMEOUT;
}
else if(timeoutMs > SemaphoreIF::NO_TIMEOUT){
timeout = pdMS_TO_TICKS(timeoutMs);
}
BaseType_t returncode = ulTaskNotifyTake(pdFALSE, timeout);
if (returncode == pdPASS) {
currentCount--;
return HasReturnvaluesIF::RETURN_OK;
}
else {
return SemaphoreIF::SEMAPHORE_TIMEOUT;
}
}
ReturnValue_t CountingSemaphoreUsingTask::acquireWithTickTimeout(
TickType_t timeoutTicks) {
BaseType_t returncode = ulTaskNotifyTake(pdFALSE, timeoutTicks);
if (returncode == pdPASS) {
currentCount--;
return HasReturnvaluesIF::RETURN_OK;
}
else {
return SemaphoreIF::SEMAPHORE_TIMEOUT;
}
}
ReturnValue_t CountingSemaphoreUsingTask::release() {
return HasReturnvaluesIF::RETURN_OK;
if(currentCount == maxCount) {
return SemaphoreIF::SEMAPHORE_NOT_OWNED;
}
BaseType_t returncode = xTaskNotifyGive(handle);
if (returncode == pdPASS) {
currentCount++;
return HasReturnvaluesIF::RETURN_OK;
}
else {
// This should never happen
return HasReturnvaluesIF::RETURN_FAILED;
}
}
uint8_t CountingSemaphoreUsingTask::getSemaphoreCounter() const {
return 0;
uint32_t notificationValue;
xTaskNotifyAndQuery(handle, 0, eNoAction, &notificationValue);
return notificationValue;
}
TaskHandle_t CountingSemaphoreUsingTask::getTaskHandle() {
return handle;
}
uint8_t CountingSemaphoreUsingTask::getSemaphoreCounterFromISR(
TaskHandle_t task) {
uint32_t notificationValue;
BaseType_t higherPriorityTaskWoken = 0;
xTaskNotifyAndQueryFromISR(task, 0, eNoAction, &notificationValue,
&higherPriorityTaskWoken);
if(higherPriorityTaskWoken == pdTRUE) {
TaskManagement::requestContextSwitch(CallContext::isr);
}
return notificationValue;
}
ReturnValue_t CountingSemaphoreUsingTask::release(
TaskHandle_t taskToNotify) {
BaseType_t returncode = xTaskNotifyGive(taskToNotify);
if (returncode == pdPASS) {
return HasReturnvaluesIF::RETURN_OK;
}
else {
// This should never happen.
return HasReturnvaluesIF::RETURN_FAILED;
}
}
ReturnValue_t CountingSemaphoreUsingTask::releaseFromISR(
TaskHandle_t taskToNotify, BaseType_t* higherPriorityTaskWoken) {
vTaskNotifyGiveFromISR(taskToNotify, 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;
}