import time
import board
import digitalio

X1_PIN = board.GP13
X2_PIN = board.GP10
X3_PIN = board.GP8

x1 = digitalio.DigitalInOut(X1_PIN)
x2 = digitalio.DigitalInOut(X2_PIN)
x3 = digitalio.DigitalInOut(X3_PIN)

pins = {"X1": x1, "X2": x2, "X3": x3}

def float_pin(p):
    p.direction = digitalio.Direction.INPUT
    p.pull = None

def drive_high(p):
    p.direction = digitalio.Direction.OUTPUT
    p.value = True

def drive_low(p):
    p.direction = digitalio.Direction.OUTPUT
    p.value = False

def all_off():
    # Minden láb lebeg
    for p in pins.values():
        float_pin(p)

def light_led(high_name, low_name, float_name):
    all_off()
    drive_high(pins[high_name])
    drive_low(pins[low_name])
    float_pin(pins[float_name])

sequence = [
    ("X1", "X2", "X3"),  # LED1
    ("X2", "X1", "X3"),  # LED2
    ("X2", "X3", "X1"),  # LED3
    ("X3", "X2", "X1"),  # LED4
    ("X1", "X3", "X2"),  # LED5
    ("X3", "X1", "X2"),  # LED6
]

all_off()

while True:
    for i, (hi, lo, fl) in enumerate(sequence, start=1):
        light_led(hi, lo, fl)
        print(f"LED{i} ON  (H={hi}, L={lo}, F={fl})")
        time.sleep(1)
    print()