from machine import Pin
import time

button = Pin(15, Pin.IN, Pin.PULL_UP)
last_button_time_stamp = 0
button_pressed = False 
def interrupt_callback(pin):
    global last_button_time_stamp
    global button_pressed
    cur_button_ts = time.ticks_ms()
    button_press_delta = cur_button_ts - last_button_time_stamp
    if button_press_delta > 200:
        button_pressed = True
        last_button_time_stamp = cur_button_ts
  

button.irq(trigger=Pin.IRQ_FALLING, handler=interrupt_callback)

while True:
    if button_pressed == True :
        button_pressed= False
        print ("shahd")