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#ifndef _GPIO_LED_H_
#define _GPIO_LED_H_
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include "led.h"
#include <driver/gpio.h>
#include <driver/ledc.h>
#include <esp_timer.h>
#include <atomic>
#include <mutex>
class GpioLed : public Led {
public:
GpioLed(gpio_num_t gpio);
GpioLed(gpio_num_t gpio, int output_invert);
GpioLed(gpio_num_t gpio, int output_invert, ledc_timer_t timer_num, ledc_channel_t channel);
virtual ~GpioLed();
void OnStateChanged() override;
void TurnOn();
void TurnOff();
void SetBrightness(uint8_t brightness);
private:
std::mutex mutex_;
TaskHandle_t blink_task_ = nullptr;
ledc_channel_config_t ledc_channel_ = {0};
bool ledc_initialized_ = false;
uint32_t duty_ = 0;
int blink_counter_ = 0;
int blink_interval_ms_ = 0;
esp_timer_handle_t blink_timer_ = nullptr;
bool fade_up_ = true;
void StartBlinkTask(int times, int interval_ms);
void OnBlinkTimer();
void BlinkOnce();
void Blink(int times, int interval_ms);
void StartContinuousBlink(int interval_ms);
void StartFadeTask();
void OnFadeEnd();
static bool FadeCallback(const ledc_cb_param_t *param, void *user_arg);
};
#endif // _GPIO_LED_H_