#!/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)
    
TASTER_PIN = 2

def setup():
    # Run GPIO with PI pin numbers.
    GPIO.setmode(GPIO.BCM)
    GPIO.setup(TASTER_PIN, GPIO.IN)

def main():
    setup()
    
    # Pin, frequency in Hz
    led_thread1 = LED(17, 1000)
    led_thread1.run()
    led_thread2 = LED(18, 1000)
    led_thread2.run()
    
    # read taster
    try:
        while True:
            if GPIO.input(TASTER_PIN) == 1:
                print("Taster was pressed. Set new frequency.")
                led_thread1.new_random_frequency()
                led_thread2.new_random_frequency()
    except KeyboardInterrupt:
        GPIO.cleanup()

if __name__ == "__main__":
    main()