forked from xiaozhi/xiaozhi-esp32
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
#ifndef _LED_H_
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#define _LED_H_
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#include <led_strip.h>
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#include <freertos/semphr.h>
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#include <freertos/task.h>
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#include <freertos/event_groups.h>
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#include <atomic>
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#define BLINK_INFINITE -1
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#define BLINK_TASK_STOPPED_BIT BIT0
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#define BLINK_TASK_RUNNING_BIT BIT1
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#define DEFAULT_BRIGHTNESS 16
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class Led {
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public:
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Led(gpio_num_t gpio);
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~Led();
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void BlinkOnce();
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void Blink(int times, int interval_ms);
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void StartContinuousBlink(int interval_ms);
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void TurnOn();
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void TurnOff();
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void SetColor(uint8_t r, uint8_t g, uint8_t b);
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void SetWhite(uint8_t brightness = DEFAULT_BRIGHTNESS) { SetColor(brightness, brightness, brightness); }
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void SetGrey(uint8_t brightness = DEFAULT_BRIGHTNESS) { SetColor(brightness, brightness, brightness); }
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void SetRed(uint8_t brightness = DEFAULT_BRIGHTNESS) { SetColor(brightness, 0, 0); }
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void SetGreen(uint8_t brightness = DEFAULT_BRIGHTNESS) { SetColor(0, brightness, 0); }
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void SetBlue(uint8_t brightness = DEFAULT_BRIGHTNESS) { SetColor(0, 0, brightness); }
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private:
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SemaphoreHandle_t mutex_;
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EventGroupHandle_t blink_event_group_;
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TaskHandle_t blink_task_ = nullptr;
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led_strip_handle_t led_strip_ = nullptr;
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uint8_t r_ = 0, g_ = 0, b_ = 0;
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int blink_times_ = 0;
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int blink_interval_ms_ = 0;
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std::atomic<bool> should_blink_{false};
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void StartBlinkTask(int times, int interval_ms);
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void StopBlinkInternal();
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};
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#endif // _LED_H_
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