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1# Copyright 2015 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5
6"""This module provides the information of Chameleon board."""
7
8
9import collections
10import logging
11
12
13# Mapping from Chameleon MAC address to other information including
14# bluetooth MAC address on audio board.
15ChameleonInfo = collections.namedtuple(
16        'ChameleonInfo', ['bluetooth_mac_address'])
17
18_CHAMELEON_BOARD_INFO = {
19        '94:eb:2c:00:00:fb': ChameleonInfo('00:1F:84:01:03:68'),
20        '94:eb:2c:00:00:f9': ChameleonInfo('00:1F:84:01:03:73'),
21        '94:eb:2c:00:01:25': ChameleonInfo('00:1F:84:01:03:4F'),
22        '94:eb:2c:00:01:27': ChameleonInfo('00:1F:84:01:03:5B'),
23        '94:eb:2c:00:01:28': ChameleonInfo('00:1F:84:01:03:46'),
24        '94:eb:2c:00:01:29': ChameleonInfo('00:1F:84:01:03:26'),
25        '94:eb:2c:00:01:2b': ChameleonInfo('00:1F:84:01:03:5E'),
26        '94:eb:2c:00:01:2d': ChameleonInfo('00:1F:84:01:03:B6'),
27        '94:eb:2c:00:01:30': ChameleonInfo('00:1F:84:01:03:2F'),
28        '94:eb:2c:00:01:3a': ChameleonInfo('00:1F:84:01:03:42'),
29        '94:eb:2c:00:01:3b': ChameleonInfo('00:1F:84:01:03:44'),
30        '94:eb:2c:00:01:3c': ChameleonInfo('00:1F:84:01:03:62'),
31        '94:eb:2c:00:01:3d': ChameleonInfo('00:1F:84:01:03:59'),
32        '94:eb:2c:00:01:3e': ChameleonInfo('00:1F:84:01:03:74'),
33        '94:eb:2c:00:01:3f': ChameleonInfo('00:1F:84:01:03:8C'),
34        '94:eb:2c:00:01:41': ChameleonInfo('00:1F:84:01:03:B3'),
35        '94:eb:2c:10:06:65': ChameleonInfo('00:1F:84:01:03:6A'),
36        '94:eb:2c:10:06:66': ChameleonInfo('00:1F:84:01:03:21'),
37        '94:eb:2c:10:06:67': ChameleonInfo('00:1F:84:01:03:38'),
38        '94:eb:2c:10:06:68': ChameleonInfo('00:1F:84:01:03:52'),
39        '94:eb:2c:10:06:6c': ChameleonInfo('00:1F:84:01:03:2E'),
40        '94:eb:2c:10:06:6d': ChameleonInfo('00:1F:84:01:03:84'),
41        '94:eb:2c:10:06:6e': ChameleonInfo('00:1F:84:01:03:98'),
42        '94:eb:2c:10:06:72': ChameleonInfo('00:1F:84:01:03:61'),
43}
44
45class ChameleonInfoError(Exception):
46    """Error in chameleon_info."""
47    pass
48
49
50def get_bluetooth_mac_address(chameleon_board):
51    """Gets bluetooth MAC address of a ChameleonBoard.
52
53    @param chameleon_board: A ChameleonBoard object.
54
55    @returns: A string for bluetooth MAC address of bluetooth module on the
56              audio board.
57
58    @raises: ChameleonInfoError if bluetooth MAC address of this Chameleon
59             board can not be found.
60
61    """
62    chameleon_mac_address = chameleon_board.get_mac_address().lower()
63    if chameleon_mac_address not in _CHAMELEON_BOARD_INFO:
64        raise ChameleonInfoError(
65                'Chameleon info not found for %s' % chameleon_mac_address)
66    board_info = _CHAMELEON_BOARD_INFO[chameleon_mac_address]
67    logging.debug('Chameleon board info: %r', board_info)
68    return board_info.bluetooth_mac_address
69