#btn1 -> up(gp0)
#btn2 -> down(gp1)
#btn3 -> set(gp2)
#btn4 -> rst(gp3)
#a -> gp28
#b -> gp27
#c -> gp26
#d -> gp22
#e -> gp21
#f -> gp20
#g -> gp19
#dig1 -> gp12 
#dig2 -> gp13 
#dig3 -> gp14 
#dig4 -> gp15 

import time
from machine import Pin

time.sleep(0.1) 

#segmentos
segmentos_pins = [
    Pin(28, Pin.OUT),
    Pin(27, Pin.OUT),
    Pin(26, Pin.OUT),
    Pin(22, Pin.OUT),
    Pin(21, Pin.OUT),
    Pin(20, Pin.OUT),
    Pin(19, Pin.OUT),
]

#digitos
digitos_pin = [
    Pin(12, Pin.OUT),
    Pin(13, Pin.OUT),
    Pin(14, Pin.OUT),
    Pin(15, Pin.OUT),
]

#botones
up_btn = Pin(0, Pin.IN, Pin.PULL_UP)
down_btn = Pin(1, Pin.IN, Pin.PULL_UP)
set_btn = Pin(2, Pin.IN, Pin.PULL_UP)
reset_btn = Pin(3, Pin.IN, Pin.PULL_UP)

count = 0
debounce = 250

ult_up = 0
ult_down = 0
ult_set = 0
ult_reset = 0

patron_segmento = [
    (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
]

#unidades, decenas, centenas, miles
def udcm(num):
    return[
        (num // 1000) % 10,
        (num // 100) % 10,
        (num // 10) % 10,
        num % 10
    ]

def up_intrr(pin):
    global count, ult_up
    now = time.ticks_ms()
    if time.ticks_diff(now, ult_up) > debounce:
        count = 0 if count == 1000 else count + 1
        ult_up = now

def down_intrr(pin):
    global count, ult_up
    now = time.ticks_ms()
    if time.ticks_diff(now, ult_up) > debounce:
        count = 1000 if count == 0 else count - 1
        ult_up = now

def set_intrr(pin):
    global count, ult_up
    now = time.ticks_ms()
    if time.ticks_diff(now, ult_up) > debounce:
        count = 500
        ult_up = now

def reset_intrr(pin):
    global count, ult_up
    now = time.ticks_ms()
    if time.ticks_diff(now, ult_up) > debounce:
        count = 0
        ult_up = now

up_btn.irq(trigger=Pin.IRQ_FALLING, interrupcion=up_intrr)
down_btn.irq(trigger=Pin.IRQ_FALLING, interrupcion=down_intrr)
set_btn.irq(trigger=Pin.IRQ_FALLING, interrupcion=set_intrr)
reset_btn.irq(trigger=Pin.IRQ_FALLING, interrupcion=reset_intrr)

#apagar todos los segmentos
for d in digitos_pin:
    d.value(1)
for s in segmentos_pins:
    s.value(0)

while True:
    digits = get_digits(count)

    for i in range(4):
        for d in digitos_pin:
            d.value(1)

    patter = patron_segmento[digits[i]]
    for j in range(7):
        segmentos_pins[j].value(patter[j])

    digitos_pin[i].value(0)

    time.sleep(0.005)