Библиотека для управления кнопками в Arduino

Button.cpp

#include <Arduino.h>
#include "Button.h"

Button::Button(uint8_t buttonPin, ButtonMode buttonMode/* = PRESSED_ON_LOW*/) {
    pin = buttonPin;
    mode = buttonMode;

    pinMode(pin, buttonMode == PRESSED_ON_LOW ? INPUT_PULLUP : INPUT);
}

void Button::tick() {
    if (pressJustEnded) {
        pressJustEnded = false;
    }

    unsigned long time = millis();

    if(time < nextPressCheck){
        return;
    }

    if (buttonPressed() && !pressed) {
        if(nextPressCheck == 0) {
            nextPressCheck = time + 10;
        } else {
            nextPressCheck = 0;
            pressed = true;
            pressStart = time;
        }
    } else if (!buttonPressed() && pressed) {
        pressed = false;
        pressEnd = time;
        pressJustEnded = true;
    }
}

boolean Button::isPressed() {
    return pressed;
}

boolean Button::justPressed() {
    return pressJustEnded;
}

unsigned long Button::getHoldTime() {
    return pressed ? millis() - pressStart : pressEnd - pressStart;
}

boolean Button::heldFor(int time) {
    return static_cast<boolean>(getHoldTime() >= time);
}

boolean Button::buttonPressed() {
    return static_cast<boolean>(digitalRead(pin) == (int) mode);
}

Button.h

#ifndef BUTTON_H
#define BUTTON_H


#include <inttypes.h>
#include <Arduino.h>

enum ButtonMode {
    PRESSED_ON_HIGH = 0x1,
    PRESSED_ON_LOW = 0x0
};

class Button {
public:
    explicit Button(uint8_t buttonPin, ButtonMode buttonMode = PRESSED_ON_LOW);
    void tick();
    boolean isPressed();
    boolean justPressed();
    unsigned long getHoldTime();
    boolean heldFor(int time);
private:
    uint8_t pin;
    ButtonMode mode;
    boolean pressed = false;
    boolean pressJustEnded = false;
    unsigned long pressStart = 0;
    unsigned long pressEnd = 0;
    unsigned long nextPressCheck = 0;
    boolean buttonPressed();
};


#endif //BUTTON_H