LED_BRIGHTNESS = config('LED_BRIGHTNESS', default=255,
cast=int) # Set to 0 for darkest and 255 for brightest
# True to invert the signal (when using NPN transistor level shift)
LED_INVERT = config('LED_INVERT', default=False, cast=bool)
MIN_FREQ = config('MIN_FREQ', default=16, cast=int)
MAX_FREQ = config('MAX_FREQ', default=5000, cast=int)
MIN_MULTIPLIER = config('MIN_MULTIPLIER', default=.5, cast=float)
MIN_AMPLITUDE = config('MIN_AMPLITUDE', default=0, cast=int)
def shutdown():
print('shutdown starting')
visualization.close()
sys.exit()
def signal_handler(signal, frame):
print('You pressed Ctrl+C')
shutdown()
signal.signal(signal.SIGINT, signal_handler)
visualization = Visualization(LED_COUNT, LED_PIN, LED_FREQ_HZ, LED_DMA,
LED_BRIGHTNESS, LED_INVERT, MIN_MULTIPLIER,
MIN_FREQ, MAX_FREQ, MIN_AMPLITUDE)
httpd = CustomHTTPServer(("", PORT), Server)
visualization.loop(shutdown, httpd)
