resens-motion-tracking_building-a-gateway-in-python-for-IMU-sensors_03.txt

# attempt connecting
try:
    print('Connecting to ' + device_addr)
    _ble_peripheral = btle.Peripheral(device_addr, addrType=btle.ADDR_TYPE_RANDOM)
    _ble_peripheral.withDelegate(_ble_delegate)

    # Setup to turn notifications on, e.g.
    enable_notify(_ble_peripheral, IMU_SERVICE_UUID, IMU_SAMPLE_CHAR_UUID)
except Exception as e:
    print(e)

# Main loop --------
while True:
    if _ble_peripheral.waitForNotifications(0.007):
        # handleNotification() was called in delegate
        continue

    # inform user main loop is running
    sys.stdout.write('.')
    sys.stdout.flush()