from machine import Pin
from time import sleep


seg_pins = [Pin(i, Pin.OUT) for i in range(0, 8)]
digit_pins = [Pin(i, Pin.OUT) for i in range(8, 12)]


nums = [
    [1,1,1,1,1,1,0], # 0
    [0,1,1,0,0,0,0], # 1
    [1,1,0,1,1,0,1], # 2
    [1,1,1,1,0,0,1], # 3
    [0,1,1,0,0,1,1], # 4
    [1,0,1,1,0,1,1], # 5
    [1,0,1,1,1,1,1], # 6
    [1,1,1,0,0,0,0], # 7
    [1,1,1,1,1,1,1], # 8
    [1,1,1,1,0,1,1]  # 9
]


u = 0  # unidades
d = 0  # decenas
c = 0  # centenas
m = 0  # miles

# Bucle principal
while True:
    
    for _ in range(10):   
        #Miles 
        for dgt in digit_pins:
            dgt.value(1)
        for s in range(7):
            seg_pins[s].value(nums[m][s])
        digit_pins[0].value(0)
        sleep(0.001)

        #Centenas
        for dgt in digit_pins:
            dgt.value(1)
        for s in range(7):
            seg_pins[s].value(nums[c][s])
        digit_pins[1].value(0)
        sleep(0.001)

        # Decenas
        for dgt in digit_pins:
            dgt.value(1)
        for s in range(7):
            seg_pins[s].value(nums[d][s])
        digit_pins[2].value(0)
        sleep(0.001)

        # Unidades
        for dgt in digit_pins:
            dgt.value(1)
        for s in range(7):
            seg_pins[s].value(nums[u][s])
        digit_pins[3].value(0)
        sleep(0.001)

    #Incremento rápido 
    u = u + 1
    if u == 10:
        u = 0
        d = d + 1
        if d == 10:
            d = 0
            c = c + 1
            if c == 10:
                c = 0
                m = m + 1
                if m == 10:
                    m = 0  # Vuelve a 0000