#ifndef LEDOutput_cpp
#define LEDOutput_cpp

#include <Arduino.h>

#define LED_OUTPUT_FREQUENCY 490
#define LED_OUTPUT_RESOLUTION 15
#define LED_OUTPUT_PWM_RANGE 32767

class LEDOutput {
	unsigned int _channel;
	bool _invert;

public:
	LEDOutput(unsigned int channel, bool invert = false) {
		_channel = channel;
		_invert = invert;
		ledcSetup(channel, LED_OUTPUT_FREQUENCY, LED_OUTPUT_RESOLUTION);
	}

	void attach(unsigned int pin){
		ledcAttachPin(pin, _channel);
	}

	void writeFraction(float fraction){
		auto value = fraction * LED_OUTPUT_PWM_RANGE;
		if (_invert)
			value = LED_OUTPUT_PWM_RANGE - value;
		ledcWrite(_channel, value);
	}
};

#endif