import uasyncio as asyncio
from machine import Pin
import utime

led_pin    = Pin(2,Pin.OUT)
button_pin = Pin(3,Pin.IN)

bottle_count = 0
box_count = 0
emergency_stop  = False

async def task1():
    global bottle_count, box_count
    while True:
        if emergency_stop:
            break
        print("Bottle Count:", bottle_count)
        bottle_count += 1
        if bottle_count >= 20:
            bottle_count = 0
            box_count += 1
            print("Box Count:", box_count)
        utime.sleep(1)

def emergency_button_handler(pin):
    global emergency_stop
    emergency_stop = not emergency_stop
    if emergency_stop:
        print("STOP")
        blink_led()
    else:
        print("START")
        led_pin.off()
        count_bottles()

def blink_led():
    while emergency_stop:
        led_pin.toggle()
        utime.sleep_ms(250)  

button_pin.irq(trigger=machine.Pin.IRQ_FALLING, handler=emergency_button_handler)

loop = asyncio.get_event_loop()
loop.create_task(task1())
loop.run_forever()