from machine import Pin, Timer
from time import sleep_us

# Inicijalizacija pinova
output_pin = Pin(18, Pin.OUT)
enable_pin = Pin(LED_ACT, Pin.OUT)  # Prilagodite pin prema vašem mikrokontroleru
input_pin = Pin(9, Pin.IN, Pin.PULL_UP)
led_display_pins = [Pin(i, Pin.OUT) for i in range(8)]

count_value = 0
debounce_counter = 0
last_state = False

def update_led_display(value):
    """Ažurira LED prikaz na osnovu count_value"""
    j = value % 10
    x = ((value // 10) % 10) << 4
    display_value = x + j
    for i in range(8):
        led_display_pins[i].value((display_value >> i) & 1)

def check_input(pin):
    """Funkcija koja se poziva na prekid za debouncing"""
    global last_state, debounce_counter, count_value
    current_state = pin.value() == 0  # Aktivno nisko stanje
    if debounce_counter == 0 and last_state != current_state:
        debounce_counter = 1
        last_state = current_state
    elif debounce_counter > 0 and debounce_counter < 10:
        if last_state == current_state:
            debounce_counter += 1
        else:
            debounce_counter = 0
    elif debounce_counter == 10:
        if last_state == current_state:
            count_value += 1
        debounce_counter = 0

def main():
    global count_value
    enable_pin.value(0)
    
    # Postavljanje prekida za debouncing
    input_pin.irq(trigger=Pin.IRQ_FALLING, handler=check_input)
    
    while True:
        output_pin.value(not output_pin.value())
        update_led_display(count_value)
        sleep_us(2000 // 2)
        
        if count_value % 2 == 0:
            output_pin.value(1)
            sleep_us(2000 // 2)

if __name__ == "__main__":
    main()