from machine import Pin, I2C
import ssd1306
import time

# Configura el bus I2C y la pantalla OLED
i2c = I2C(-1, Pin(22), Pin(21))
oled = ssd1306.SSD1306_I2C(128, 64, i2c)

contador = 0

interruptor_ascendente = Pin(2, Pin.IN, Pin.PULL_UP)
interruptor_descendente = Pin(15, Pin.IN, Pin.PULL_UP)
reiniciar_contador = Pin(4, Pin.IN, Pin.PULL_UP)

while True:
    if not interruptor_ascendente.value():
        contador += 1
    elif not interruptor_descendente.value():
        contador -= 1
    elif not reiniciar_contador.value():
        contador = 0

    oled.fill(0)
    oled.text("Contador:", 0, 0)
    oled.text(str(contador), 80, 0)
    oled.show()
    time.sleep(0.1)