Function toggle_device

Pair New Device Notifications/utils/bluetooth_utils.py:79–108

Power ON or OFF a bluetooth device. :param dev_id: Device id. :type dev_id: ``int`` :param enable: Whether to enable of disable the device. :type enable: ``bool``

(dev_id, enable)

def toggle_device(dev_id, enable):
    """
    Power ON or OFF a bluetooth device.

    :param dev_id: Device id.
    :type dev_id: ``int``
    :param enable: Whether to enable of disable the device.
    :type enable: ``bool``
    """
    hci_sock = socket.socket(socket.AF_BLUETOOTH,
                             socket.SOCK_RAW,
                             socket.BTPROTO_HCI)
    # print("Power %s bluetooth device %d" % ('ON' if enable else 'OFF', dev_id))
    # di = struct.pack("HbBIBBIIIHHHH10I", dev_id, *((0,) * 22))
    # fcntl.ioctl(hci_sock.fileno(), bluez.HCIGETDEVINFO, di)
    req_str = struct.pack("H", dev_id)
    request = array.array("b", req_str)
    try:
        fcntl.ioctl(hci_sock.fileno(),
                    bluez.HCIDEVUP if enable else bluez.HCIDEVDOWN,
                    request[0])
    except IOError as e:
        if e.errno == EALREADY:
            pass
            # print("Bluetooth device %d is already %s" % (
            #       dev_id, 'enabled' if enable else 'disabled'))
        else:
            raise
    finally:
        hci_sock.close()


# Types of bluetooth scan