34 lines
1.0 KiB
C++
34 lines
1.0 KiB
C++
/*
|
|
Copyright 2020 Scott Bezek and the splitflap contributors
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
#pragma once
|
|
|
|
#include <Arduino.h>
|
|
|
|
class SemaphoreGuard {
|
|
public:
|
|
SemaphoreGuard(SemaphoreHandle_t handle) : handle_{handle} {
|
|
xSemaphoreTake(handle_, portMAX_DELAY);
|
|
}
|
|
~SemaphoreGuard() {
|
|
xSemaphoreGive(handle_);
|
|
}
|
|
SemaphoreGuard(SemaphoreGuard const&)=delete;
|
|
SemaphoreGuard& operator=(SemaphoreGuard const&)=delete;
|
|
|
|
private:
|
|
SemaphoreHandle_t handle_;
|
|
};
|