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added retvals for mutex

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This commit is contained in:
Robin Müller 2020-05-29 14:02:14 +02:00
parent cb14ec15b5
commit 8f563b7b21
2 changed files with 23 additions and 20 deletions
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18
osal/FreeRTOS/Mutex.cpp
View File

@ -1,4 +1,4 @@
#include "Mutex.h"
#include <framework/osal/FreeRTOS/Mutex.h>
#include <framework/serviceinterface/ServiceInterfaceStream.h>
@ -6,7 +6,9 @@ const uint32_t MutexIF::NO_TIMEOUT = 0;
Mutex::Mutex() {
handle = xSemaphoreCreateMutex();
//TODO print error
if(handle == NULL) {
sif::error << "Mutex creation failure" << std::endl;
}
}
Mutex::~Mutex() {
@ -18,8 +20,7 @@ Mutex::~Mutex() {
ReturnValue_t Mutex::lockMutex(uint32_t timeoutMs) {
if (handle == 0) {
//TODO Does not exist
return HasReturnvaluesIF::RETURN_FAILED;
return MutexIF::MUTEX_NOT_FOUND;
}
TickType_t timeout = portMAX_DELAY;
if (timeoutMs != NO_TIMEOUT) {
@ -30,21 +31,18 @@ ReturnValue_t Mutex::lockMutex(uint32_t timeoutMs) {
if (returncode == pdPASS) {
return HasReturnvaluesIF::RETURN_OK;
} else {
//TODO could not be acquired/timeout
return HasReturnvaluesIF::RETURN_FAILED;
return MutexIF::MUTEX_TIMEOUT;
}
}
ReturnValue_t Mutex::unlockMutex() {
if (handle == 0) {
//TODO Does not exist
return HasReturnvaluesIF::RETURN_FAILED;
return MutexIF::MUTEX_NOT_FOUND;
}
BaseType_t returncode = xSemaphoreGive(handle);
if (returncode == pdPASS) {
return HasReturnvaluesIF::RETURN_OK;
} else {
//TODO is not owner
return HasReturnvaluesIF::RETURN_FAILED;
return MutexIF::CURR_THREAD_DOES_NOT_OWN_MUTEX;
}
}

25
osal/FreeRTOS/Mutex.h
View File

@ -1,22 +1,27 @@
#ifndef OS_RTEMS_MUTEX_H_
#define OS_RTEMS_MUTEX_H_
#ifndef FRAMEWORK_FREERTOS_MUTEX_H_
#define FRAMEWORK_FREERTOS_MUTEX_H_
#include <framework/ipc/MutexIF.h>
#include <freertos/FreeRTOS.h>
#include <freertos/semphr.h>
#include <FreeRTOS.h>
#include "semphr.h"
/**
* @brief OS component to implement MUTual EXclusion
*
* @details
* Mutexes are binary semaphores which include a priority inheritance mechanism.
* Documentation: https://www.freertos.org/Real-time-embedded-RTOS-mutexes.html
* @ingroup osal
*/
class Mutex : public MutexIF {
public:
Mutex();
~Mutex();
ReturnValue_t lockMutex(uint32_t timeoutMs);
ReturnValue_t unlockMutex();
ReturnValue_t lockMutex(uint32_t timeoutMs) override;
ReturnValue_t unlockMutex() override;
private:
SemaphoreHandle_t handle;
};
#endif /* OS_RTEMS_MUTEX_H_ */
#endif /* FRAMEWORK_FREERTOS_MUTEX_H_ */