from machine import Pin
from time import sleep

# Input pins for DIP switches (GPIO 0 to 4)
switch_pins = [Pin(i, Pin.IN, Pin.PULL_DOWN) for i in range(0, 5)]

# Output pins for LEDs (GPIO 10 to 13)
led_pins = [Pin(i, Pin.OUT) for i in range(10, 14)]

while True:
    reset = switch_pins[4].value()  # DIP Switch 5 → Reset

    if reset == 1:
        # Reset: Turn all LEDs off
        for led in led_pins:
            led.value(0)
    else:
        # Check switches 1–4
        for i in range(4):
            if switch_pins[i].value() == 1:
                # Turn on the corresponding LED
                for j, led in enumerate(led_pins):
                    led.value(1 if i == j else 0)
                break
        else:
            # No switch ON → turn off all LEDs
            for led in led_pins:
                led.value(0)

    sleep(0.1)