from machine import Pin, ADC, PWM
from time import sleep
import urandom

# Segments : a, b, c, d, e, f, g
segments = [
    Pin(22, Pin.OUT), Pin(21, Pin.OUT), Pin(20, Pin.OUT),
    Pin(19, Pin.OUT), Pin(18, Pin.OUT), Pin(16, Pin.OUT), Pin(17, Pin.OUT)
]

# Chiffres de 0 à 6
digits = [
    [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
]

# Bouton sur GP15
button = Pin(10, Pin.IN, Pin.PULL_DOWN)

# Potentiomètre sur GP28
pot = ADC(28)

# PWM sur chaque segment
pwms = [PWM(seg) for seg in segments]
for pwm in pwms:
    pwm.freq(1000)

# Affichage du chiffre
def show_digit(n):
    for i in range(7):
        pwms[i].duty_u16(65535 if digits[n][i] else 0)

# Éteindre l'affichage
def clear_display():
    for pwm in pwms:
        pwm.duty_u16(0)

last_state = 0

while True:
    if button.value() and not last_state:
        pot_value = pot.read_u16() # 0 à 65535
        display_time = 1 + (pot_value / 65535) * 9 # 1 à 10 sec

        number = urandom.getrandbits(3) % 7
        show_digit(number)

        sleep(display_time)
        clear_display()

        sleep(0.2) # anti-rebond

    last_state = button.value()
    sleep(0.01)