import time
from utime import sleep
from utime import ticks_ms
time.sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")

from machine import Pin
led = Pin(17, Pin.OUT | Pin.IN)
switch = Pin(22, Pin.IN)

first = 0

def handler(pin):
    global first

    now = ticks_ms()
    if now - first < 500:
        return
    first = now

    sleep(0.1)

    if switch.value() != 1:
        return
    print('OK')
        
    if led.value() == 1:
        led.value(0)
        print('NO')
    else:
        led.value(1)


switch.irq(handler, Pin.IRQ_RISING)

while True:
    sleep (1)