34 lines
808 B
C++
34 lines
808 B
C++
#pragma once
|
|
|
|
// espressif includes
|
|
#include <freertos/FreeRTOS.h>
|
|
#include <freertos/semphr.h>
|
|
#include <freertos/task.h>
|
|
|
|
// local includes
|
|
#include "cppmacros.h"
|
|
|
|
namespace espcpputils {
|
|
class binary_semaphore
|
|
{
|
|
CPP_DISABLE_COPY_MOVE(binary_semaphore)
|
|
|
|
public:
|
|
binary_semaphore() :
|
|
handle{xSemaphoreCreateBinary()}
|
|
{}
|
|
|
|
~binary_semaphore() { if (handle) vSemaphoreDelete(handle); }
|
|
|
|
TaskHandle_t getMutexHolder() const { return xSemaphoreGetMutexHolder(handle); }
|
|
|
|
UBaseType_t getCount() const { return uxSemaphoreGetCount(handle); }
|
|
|
|
bool take(TickType_t xTicksToWait) { return xSemaphoreTake(handle, xTicksToWait); }
|
|
|
|
bool give() { return xSemaphoreGive(handle); }
|
|
|
|
const SemaphoreHandle_t handle;
|
|
};
|
|
} // namespace espcpputils
|