peripheral.py 文件源码

def ReadValue(self, options):
        """Return the characteristic value.

        This method is registered with the D-Bus at
        ``org.bluez.GattCharacteristic1``.
        """
        # print('Reading Characteristic', self.value)
        if self.value is None:
            self.value = 0
        return [dbus.Byte(self.value)]