#!/usr/bin/env python3

from time import sleep
import threading

import aufgabe_b

try:
    import RPi.GPIO as GPIO
except RuntimeError:
    print("Error importing RPi.GPIO! Run this script as root.")
    exit(1)
    
def setup():
    # Run GPIO with PI pin numbers.
    GPIO.setmode(GPIO.BCM)

def main():
    setup()
    
    # Pin, frequency in Hz
    led_thread1 = LED(17, 1000, use_pwm=True)
    led_thread1.run()

if __name__ == "__main__":
    main()