Files
espcpputils/recursive_mutex_semaphore.h

34 lines
877 B
C++

#pragma once
// espressif includes
#include <freertos/FreeRTOS.h>
#include <freertos/semphr.h>
#include <freertos/task.h>
// local includes
#include "esputils.h"
namespace espcpputils {
class recursive_mutex_semaphore
{
ESP_DISABLE_COPY_MOVE(recursive_mutex_semaphore)
public:
recursive_mutex_semaphore() :
handle{xSemaphoreCreateRecursiveMutex()}
{}
~recursive_mutex_semaphore() { if (handle) vSemaphoreDelete(handle); }
TaskHandle_t getMutexHolder() const { return xSemaphoreGetMutexHolder(handle); }
UBaseType_t getCount() const { return uxSemaphoreGetCount(handle); }
bool takeRecursive(TickType_t xTicksToWait) { return xSemaphoreTakeRecursive(handle, xTicksToWait); }
bool giveRecursive() { return xSemaphoreGiveRecursive(handle); }
const SemaphoreHandle_t handle;
};
} // namespace espcpputils