print("Hello, ESP32!")

from machine import Pin
from time import sleep

#####################################
###### PIN CONFIGURATIONS
# Use GPIO1 instead of GPIO8
led_bar_pins = [19, 18, 5, 17, 16, 4, 0, 2, 15, 13]
led_bar = [Pin(led_bar_pin[i], Pin.Out) for i in range(10)]

ss1_pin = Pin(12, Pin.IN) 

def main():          
    while True:
        ss1_state = ss1_pin.value()
        if ss1_state == 0: 
            sub_led_bar()
        else:
            sub_led_bar_off()
            sleep(0.1)  


def sub_led_bar():
    for pin in led_bar:
        pin.on()
        sleep(0.05)
        pin.off()
    
    for pin in reversed(led_bar):
        pin.on()
        sleep(0.05)
        pin.off()

def sub_led_bar_off():
    for pin in led_bar:
        pin.off()

if __name__ == '__main__':
    main()