# Nombre: Alvarez Guevara Laura Jocelyn
# Grupo: 602-A

from machine import Pin
import time

led1 = Pin(0, Pin.OUT)
led2 = Pin(1, Pin.OUT)
led3 = Pin(2, Pin.OUT)
led4 = Pin(3, Pin.OUT)
led5 = Pin(4, Pin.OUT)
led6 = Pin(5, Pin.OUT)
led7 = Pin(6, Pin.OUT)
led8 = Pin(7, Pin.OUT)
led9 = Pin(8, Pin.OUT)
led10 = Pin(9, Pin.OUT)


b1 = Pin(16, Pin.IN, Pin.PULL_UP)
b2 = Pin(17, Pin.IN, Pin.PULL_UP)

LEDS = [led1, led2, led3, led4, led5, led6, led7, led8, led9, led10]

numLed = 0

def  salida(valor):
    aux = "{:04b}".format(valor)
    for k in range(len(LEDS)):
        LEDS[k].value(int(aux[k]))


ini1 = time.ticks_ms()
ini2 = time.ticks_ms()

def fun_b1(b1):
    global numLed, ini1
    fin = time.ticks_ms()
    if time.ticks_diff(fin, ini1) < 250:
        ini1 = fin
        return
    LEDS[numLed].off()
    numLed = numLed -1
    

def fun_b2(b2):
    global numLed, ini2
    fin = time.ticks_ms()
    if time.ticks_diff(fin, ini2) < 250:
        ini2 = fin
        return
    LEDS[numLed].off()
    numLed = numLed + 1

b1.irq(trigger=Pin.IRQ_FALLING, handler=fun_b1)
b2.irq(trigger=Pin.IRQ_FALLING, handler=fun_b2)

while True:
    if numLed > 0:
        if numLed < 9:
            fun_b1()
            fun_b2()
    LEDS[numLed].on()