How to use the brainflow.board_shim.BoardShim function in brainflow

parser.add_argument ('--mac-address', type = str, help  = 'mac address', required = False, default = '')
    parser.add_argument ('--other-info', type = str, help  = 'other info', required = False, default = '')
    parser.add_argument ('--board-id', type = int, help  = 'board id, check docs to get a list of supported boards', required = True)
    parser.add_argument ('--log', action = 'store_true')
    args = parser.parse_args ()

    params = BrainFlowInputParams ()
    params.ip_port = args.ip_port
    params.serial_port = args.serial_port
    params.mac_address = args.mac_address
    params.other_info = args.other_info
    params.ip_address = args.ip_address
    params.ip_protocol = args.ip_protocol

    if (args.log):
        BoardShim.enable_dev_board_logger ()
    else:
        BoardShim.disable_board_logger ()

    board = BoardShim (args.board_id, params)
    board.prepare_session ()

    board.start_stream ()
    time.sleep (7)
    data = board.get_current_board_data (100) # get latest 100 packages or less, doesnt remove them from internal buffer
    # data = board.get_board_data () # get all data and remove it from internal buffer
    board.stop_stream ()
    board.release_session ()

    print (data)

params = BrainFlowInputParams ()
    params.ip_port = args.ip_port
    params.serial_port = args.serial_port
    params.mac_address = args.mac_address
    params.other_info = args.other_info
    params.ip_address = args.ip_address
    params.ip_protocol = args.ip_protocol

    synth_params = BrainFlowInputParams ()

    if (args.log):
        BoardShim.enable_dev_board_logger ()
    else:
        BoardShim.disable_board_logger ()

    board = BoardShim (args.board_id, params)
    synth_board = BoardShim (brainflow.board_shim.BoardIds.SYNTHETIC_BOARD.value, synth_params)
    board.prepare_session ()
    synth_board.prepare_session ()

    board.start_stream ()
    synth_board.start_stream ()
    time.sleep (10)
    data = board.get_board_data ()
    synth_data = synth_board.get_board_data ()
    board.stop_stream ()
    synth_board.stop_stream ()
    board.release_session ()
    synth_board.release_session ()

args = parser.parse_args ()

    params = BrainFlowInputParams ()
    params.ip_port = args.ip_port
    params.serial_port = args.serial_port
    params.mac_address = args.mac_address
    params.other_info = args.other_info
    params.ip_address = args.ip_address
    params.ip_protocol = args.ip_protocol

    if (args.log):
        BoardShim.enable_dev_board_logger ()
    else:
        BoardShim.disable_board_logger ()

    board = BoardShim (args.board_id, params)
    board.prepare_session ()

    # disable 2nd channel for cyton use real board to check it, emulator ignores commands
    if args.board_id == brainflow.board_shim.BoardIds.CYTON_BOARD.value:
        board.config_board ('x2100000X')

    board.start_stream ()
    time.sleep (10)
    data = board.get_board_data ()
    board.stop_stream ()
    board.release_session ()

    print (data)

parser.add_argument ('--board-id', type = int, help  = 'board id, check docs to get a list of supported boards', required = True)
    parser.add_argument ('--log', action = 'store_true')
    args = parser.parse_args ()

    params = BrainFlowInputParams ()
    params.ip_port = args.ip_port
    params.serial_port = args.serial_port
    params.mac_address = args.mac_address
    params.other_info = args.other_info
    params.ip_address = args.ip_address
    params.ip_protocol = args.ip_protocol

    if (args.log):
        BoardShim.enable_dev_board_logger ()
    else:
        BoardShim.disable_board_logger ()

    board = BoardShim (args.board_id, params)
    board.prepare_session ()

    board.start_stream ()
    time.sleep (5)
    board.config_board ('/2') # enable analog mode only for Cyton Based Boards!
    time.sleep (5)
    data = board.get_board_data ()
    board.stop_stream ()
    board.release_session ()

    """
    data[BoardShim.get_other_channels(args.board_id)[0]] contains cyton end byte
    data[BoardShim.get_other_channels(args.board_id)[1....]] contains unprocessed bytes
    if end byte is 0xC0 there are accel data in data[BoardShim.get_accel_channels(args.board_id)[....]] else there are zeros