import machine
import time

segmentos = [4, 2, 19, 18, 5, 22, 23]
digitos = [26, 25, 33, 32]

contador = 0
ultimo_cambio = time.ticks_ms()

digitos_segmentos = {
    0: (0,0,0,0,0,0,1),
    1: (1,0,0,1,1,1,1),
    2: (0,0,1,0,0,1,0),
    3: (0,0,0,0,1,1,0),
    4: (1,0,0,1,1,0,0),
    5: (0,1,0,0,1,0,0),
    6: (0,1,0,0,0,0,0),
    7: (0,0,0,1,1,1,1),
    8: (0,0,0,0,0,0,0),
    9: (0,0,0,0,1,0,0)
}

for pin in segmentos + digitos:
    machine.Pin(pin, machine.Pin.OUT)

def mostrar_digito(digito, valor):
    for d in digitos:
        machine.Pin(d, machine.Pin.OUT).value(0)

    config = digitos_segmentos[valor]

    for i, estado in enumerate(config):
        machine.Pin(segmentos[i], machine.Pin.OUT).value(estado)

    machine.Pin(digitos[digito], machine.Pin.OUT).value(1)

def refrescar_display(numero):
    for i in range(4):
        digito = (numero // (10 ** i)) % 10
        mostrar_digito(i, digito)
        time.sleep_ms(5)  # refresco rápido

while True:
    refrescar_display(contador)

    # Cambia el número cada 1 segundo SIN congelar display
    if time.ticks_diff(time.ticks_ms(), ultimo_cambio) > 1000:
        contador += 1
        if contador > 9999:
            contador = 0
        ultimo_cambio = time.ticks_ms()