from machine import Pin
from utime import sleep

# Configuración de pines del display 7 segmentos (ánodo común)
pins = [
    Pin(2, Pin.OUT),  # A
    Pin(3, Pin.OUT),  # B
    Pin(4, Pin.OUT),  # C
    Pin(5, Pin.OUT),  # D
    Pin(6, Pin.OUT),  # E
    Pin(8, Pin.OUT),  # F
    Pin(7, Pin.OUT),  # G
    Pin(0, Pin.OUT)   # DP (no usado)
]

# Patrones de 0-F en 7 segmentos
digits = [
    [0,0,0,0,0,0,1,1], # 0
    [1,0,0,1,1,1,1,1], # 1
    [0,0,1,0,0,1,0,1], # 2
    [0,0,0,0,1,1,0,1], # 3
    [1,0,0,1,1,0,0,1], # 4
    [0,1,0,0,1,0,0,1], # 5
    [0,1,0,0,0,0,0,1], # 6
    [0,0,0,1,1,1,1,1], # 7
    [0,0,0,0,0,0,0,1], # 8
    [0,0,0,1,1,0,0,1], # 9
    [0,0,0,1,0,0,0,1], # A
    [1,1,0,0,0,0,0,1], # b
    [0,1,1,0,0,0,1,1], # C
    [1,0,0,0,0,1,0,1], # d
    [0,1,1,0,0,0,0,1], # E
    [0,1,1,1,0,0,0,1], # F
]

# Patrones especiales
BLANK = [1,1,1,1,1,1,1,1]
ALL_ON = [0,0,0,0,0,0,0,0]

def reset():
    for pin in pins:
        pin.value(1)

reset()

# Switch de dirección
switch_dir = Pin(13, Pin.IN, Pin.PULL_UP)

# DIP-Switch (con pull-up internos)
dip1 = Pin(17, Pin.IN, Pin.PULL_UP)
dip2 = Pin(16, Pin.IN, Pin.PULL_UP)

def mostrar(pat):
    for j in range(len(pins)):
        pins[j].value(pat[j])

def recorrer(secuencia):
    if switch_dir.value() == 1:
        iterable = secuencia
    else:
        iterable = reversed(secuencia)

    for i in iterable:
        if i == "BLANK":
            mostrar(BLANK)
        elif i == "ALL":
            mostrar(ALL_ON)
        else:
            mostrar(digits[i])
        sleep(0.5)

# -----------------------------
# Loop principal
# -----------------------------
while True:
    d1 = dip1.value()
    d2 = dip2.value()

    if d1 == 0 and d2 == 0:
        recorrer(["BLANK", "ALL"])
    elif d1 == 0 and d2 == 1:
        recorrer([0,2,4,6,8,10,12,14])
    elif d1 == 1 and d2 == 0:
        recorrer([1,3,5,7,9,11,13,15])
    elif d1 == 1 and d2 == 1:
        recorrer([0,1])