Библиотека для управления светодиодами в Arduino

LED.cpp

#include "Arduino.h"
#include "LED.h"

LED::LED(uint8_t pin) {
    pinMode(pin, OUTPUT);
    ledPin = pin;
    ledState = NONE;
}

void LED::tick() {
    if (ledState == NONE)
        return;

    if (millis() > startTime + changeInterval) {
        startTime = millis();

        switch (ledState) {
            case ON_FOR_TIME:
                currentBrightness = 0;
                digitalWrite(ledPin, LOW);
                ledState = NONE;
                break;
            case BLINK:
                currentBrightness = 255 - currentBrightness;
                analogWrite(ledPin, currentBrightness);
                break;
            case BREATH:
                currentBrightness = constrain(currentBrightness + changeSpeed, 0, 255);
                analogWrite(ledState, currentBrightness);
                if (currentBrightness == 0 || currentBrightness == 255) {
                    changeSpeed = -changeSpeed;
                }
                break;
            case FADE:
                currentBrightness = constrain(currentBrightness + changeSpeed, 0, 255);
                analogWrite(ledState, currentBrightness);
                if (currentBrightness == 0 || currentBrightness == 255) {
                    ledState = NONE;
                    break;
                }
                break;
            case NONE:
                return;
        }
    }
}

void LED::toggle() {
    ledState = NONE;
    currentBrightness = 255 - currentBrightness;
    analogWrite(ledPin, currentBrightness);
}

void LED::off() {
    ledState = NONE;
    currentBrightness = 0;
    digitalWrite(ledPin, LOW);
}

void LED::on() {
    ledState = NONE;
    currentBrightness = 255;
    digitalWrite(ledPin, HIGH);
}

void LED::dim(unsigned char brightness) {
    ledState = NONE;
    currentBrightness = brightness;
    analogWrite(ledPin, currentBrightness);
}

void LED::on(int time) {
    ledState = ON_FOR_TIME;
    currentBrightness = 255;
    digitalWrite(ledPin, HIGH);
    changeInterval = time;
    startTime = millis();
}

void LED::blink(int interval) {
    ledState = BLINK;
    startTime = millis();
    changeInterval = interval;
    currentBrightness = 255;
    digitalWrite(ledPin, HIGH);
}

void LED::breath(int speed, int interval) {
    ledState = BREATH;
    changeSpeed = speed;
    changeInterval = interval;
    startTime = millis();
}

void LED::fade(int speed, int interval) {
    ledState = FADE;
    changeSpeed = speed;
    changeInterval = interval;
    startTime = millis();
}

LED.h

#ifndef LED_h
#define LED_h

#include "Arduino.h"

enum LEDAction {
    NONE,
    ON_FOR_TIME,
    BREATH,
    FADE,
    BLINK
};

class LED
{
  public:
	LED(uint8_t pin);
	void tick();
	void toggle();
	void off();
	void on();
	void on(int time);
	void breath(int speed, int interval);
	void fade(int speed, int interval);  // speed >0 for fade up, <0 for fade down
	void blink(int interval);
	void dim(unsigned char brightness);
  private:
	uint8_t ledPin;
	int currentBrightness;
	int changeSpeed;
	int changeInterval;
	LEDAction ledState;
	unsigned long startTime;
};

#endif