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