def init_gps(configuration: Configuration):
"""Initialize the serial port to receive GPS data"""
gps_serial_port = configuration.get_device_configuration("gps", "serial_device")
if not gps_serial_port:
return None
ser = serial.Serial(gps_serial_port, 9600, timeout=5.0)
sio = io.TextIOWrapper(io.BufferedRWPair(ser, ser))
return sio
def init_reset_button(configuration: Configuration, continue_running: AtomicValue):
"""Setup a listener for reset"""
def handle_reset_button(_):
logging.info("Reset button pressed!")
continue_running.update(False)
GPIO.setmode(GPIO.BCM) # pylint: disable=no-member
channel = int(configuration.get_device_configuration("reset", "pin"))
GPIO.setup( # pylint: disable=no-member
channel, GPIO.IN, pull_up_down=GPIO.PUD_DOWN # pylint: disable=no-member
)
GPIO.add_event_detect( # pylint: disable=no-member
channel,
GPIO.RISING, # pylint: disable=no-member
callback=handle_reset_button,
bouncetime=500, # pylint: disable=no-member
)