#include <Arduino.h>
#include <commonFunctions.h>
#include <constants.h>

bool debounceRead(int buttonPin, int *lastButtonState, unsigned long *lastDebounceTime, int *buttonState)
{
    int reading = digitalRead(buttonPin);

    // If the switch changed, due to noise or pressing:
    if (reading != *lastButtonState)
    {
        // reset the debouncing timer
        *lastDebounceTime = millis();
    }

    if ((millis() - *lastDebounceTime) > DEBOUNCE_DELAY)
    {
        // whatever the reading is at, it's been there for longer than the debounce delay, so take it as the actual current state:

        // if the button state has changed:
        if (reading != *buttonState)
        {
            *buttonState = reading;

            if (*buttonState == HIGH)
                return true;
            else
                return false;
        }
    }

    // save the reading. Next time through the loop, it'll be the lastButtonState:
    *lastButtonState = reading;
}