def connect_ble_device()

in src/ble/ble_uart_controller.py [0:0]

• 18 lines of code
• 9 McCabe index (conditional complexity)

    def connect_ble_device(self, ble_mac):
        '''
            Creates a connection to the given BLE MAC address and initialises the BleUartPeripheral
            instance that holds the connection and BLE notification receive loop. 

            Note: Is recommended to scan and verify a BLE device exists and is reachable before 
            calling this method as takes ~40 secs for the connect to fail and return a response.
        '''
        ######################################################
        # Create a BleUartPeripheral object for the requested BLE device and connect
        log.info('Connecting the BLE Device: {}'.format(ble_mac))

        # Normalise ble-mac to all upper case.
        ble_mac = ble_mac.upper()

        ######################################################
        # Get existing or create a new BLE Peripheral object for this BLE Mac
        ble_device = None
        if ble_mac in self.ble_devices:
            ble_device = self.ble_devices[ble_mac]
        else:
            # Create the BleUartPeripheral class for this device and save to local variable
            ble_device = BleUartPeripheral(ble_mac, self.receive_message_router, self.ble_state_change_callback)
            self.ble_devices[ble_mac] = ble_device
        
        if not ble_device.is_alive():
            log.info('Starting Tx/Rx thread for BLE Device: {}'.format(ble_mac))
            ble_device.start()