# L6c.py -Program tratare intrerupere
# externe generata de un buton  k conectat la Pin 20 (GP15)

from  machine import Pin  # clase pentru componente hardware
import time     # clasic , eventual utime

led=Pin(25, Pin.OUT)
k=Pin(15, Pin.IN, Pin.PULL_UP)


def blink(a):       # handler intrerupere
    print("OK")
    led.value(1)  # LED aprins
    time.sleep(0.2)
    led.value(0)


k.irq(trigger=Pin.IRQ_FALLING, handler=blink)  # fara debounce

    
while 1 :          # program principal
    led.value(0)       # LED stins
    print ("Nimic nou")
    time.sleep(1)