import time
import signal
import sys
from adafruit_blinka.agnostic import board_id
from ui import Ui
parser = argparse.ArgumentParser()
parser.add_argument('--delay',
type=float,
default=2.0,
help='Delay, in seconds, between readings')
args = parser.parse_args()
def clean_exit(signum, frame):
sys.exit(0)
ui = Ui()
ui.start_drawing()
signal.signal(signal.SIGTERM, clean_exit)
print("Knight Nurse on {}".format(board_id))
try:
while True:
time.sleep(args.delay)
except KeyboardInterrupt:
pass
