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path: root/src/gpio.cpp
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#include "badge/gpio.h"

#include  <Arduino.h>

#define BUTTON_PIN 0

static unsigned long pressedTime = 0;
static unsigned long releasedTime = 0;

void de::uvok::badge::gpio_init(void)
{
}

long de::uvok::badge::gpio_poll(void)
{
    static int lastState = HIGH;
    int buttonState = digitalRead(BUTTON_PIN);
    long pressDuration = 0;
    if (lastState == HIGH && buttonState == LOW)
    {
        Serial.println("``\\__");
        pressedTime = millis();
        lastState = LOW;
    }
    else if (lastState == LOW && buttonState == HIGH)
    {
        lastState = HIGH;
        Serial.println("__/``");
        releasedTime = millis();

        pressDuration = releasedTime - pressedTime;
    };

    return pressDuration;
}