当我尝试配对上述设备时，我收到此消息 - 我按照说明进行操作 http://blog.dawnrobotics.co.uk/2013/11/talking-to-a-bluetooth-serial-module-with-a-raspberry-pi/
Traceback (most recent call last):
File "bluetooth_serial_example.py", line 23, in <module>
print bluetoothSerial.readline()
File "/usr/lib/python2.7/dist-packages/serial/serialposix.py", line 456, in read raise SerialException('device reports readiness to read but returned no data (device disconnected?)')
serial.serialutil.SerialException: device reports readiness to read
but returned no data (device disconnected?)