from machine import Pin
from machine import Pin, time_pulse_us
from machine import Pin , I2C
from ssd1306 import SSD1306_I2C
import time



led_pins = [11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
leds = [Pin(pin_num, Pin.OUT)for pin_num in led_pins]

i2c=I2C(0,sda=Pin(0), scl=Pin(1), freq=400000)
oled = SSD1306_I2C(128, 64, i2c)

vitesse_son = 340 #vitesse du son dan l'aire
TRIG_PULSE_US=10
trig = Pin(28, Pin.OUT)
echo = Pin(27, Pin.IN)

vitesse_son = 340 #vitesse du son dan l'aire
TRIG_PULSE_US=10
trig1 = Pin(26, Pin.OUT)
echo2 = Pin(22, Pin.IN)


def allumer_leds(jusqua_a_index):
    for i in range(jusqua_a_index):
        leds[i].on()

def eteindre_leds():
    for led in leds:
        led.off()

#boucle principale
while True:
    """
    for i in range(11):
        allumer_leds(i)
        time.sleep(0.5)
        eteindre_leds()
    """

    #depart
    trig.value(0)
    time.sleep_us(5)
    #créer une impulsion
    trig.value(1)
    time.sleep_us(TRIG_PULSE_US)
    trig.value(0)

    ultrason = time_pulse_us(echo, 1, 30000)#temps de propagation de l'onde (µs)
    distance_cm = vitesse_son * ultrason / 20000

    print(f"Distance : {distance_cm} cm")
    time.sleep_ms(500)
    oled.fill(0)

    oled.text(f"Distance : {distance_cm} cm", 0, 0)
    oled.show()

    if distance_cm > 0 and distance_cm < 10:
        for i in range(9, 0, -1):
            leds[i].off()

    
    if distance_cm > 10 and distance_cm < 20 :
        for i in range(2):
            leds[i].on()
        for i in range(9, 1, -1):
            leds[i].off()
    
    if distance_cm > 20 and distance_cm < 30:
        for i in range(3):
            leds[i].on()
        for i in range(9, 2, -1):
            leds[i].off()
    
    if distance_cm > 30 and distance_cm < 40 :
        for i in range(4):
            leds[i].on()
        for i in range(9, 3, -1):
            leds[i].off()

    if distance_cm > 40 and distance_cm < 50:
        for i in range(5):
            leds[i].on()
        for i in range(9, 4, -1):
            leds[i].off()

    if distance_cm > 50 and distance_cm < 60 :
        for i in range(6):
            leds[i].on()
        for i in range(9, 5, -1):
            leds[i].off()

    if distance_cm > 60 and distance_cm < 70 :
        for i in range(7):
            leds[i].on()
        for i in range(9, 6, -1):
            leds[i].off()


    if distance_cm > 70 and distance_cm < 80:
        for i in range(8):
            leds[i].on()
        for i in range(9, 7, -1):
            leds[i].off()

    if distance_cm > 80 and distance_cm < 90:
        for i in range(9):
            leds[i].on()
        for i in range(9, 8, -1):
            leds[i].off()

    if distance_cm > 90 and distance_cm < 100:
        for i in range(10):
            leds[i].on()