from machine import Pin
from time import sleep_ms, ticks_ms

button_pressed = False
stamp = 0
def cb(pin):
    global button_pressed, stamp
    pressed_time = ticks_ms() - stamp
    if pressed_time >= 200:
        button_pressed = True
        stamp = pressed_time

def main():
    sleep_ms(20)
    global button_pressed, stamp
    button = Pin(1, Pin.IN, Pin.PULL_DOWN)

    button.irq(trigger=Pin.IRQ_RISING, handler=cb)


    if button_pressed:
        if button.value():
            print("Hello ESP-32")
        button_pressed = False


if __name__ == "__main__":
    while True:
        main()