Micropython Touch Detect

pin = Pin(7)


@micropython.viper
def touch(pin: object) -> int:
    value = 0
    for _ in range(1000):
        pin.init(mode=Pin.OUT, value=1)
        time.sleep_us(2)
        pin.init(mode=Pin.IN, pull=Pin.OPEN_DRAIN)
        value += int(pin())
    return value