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1# Copyright 2021-2022 Google LLC
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      https://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15# -----------------------------------------------------------------------------
16# Imports
17# -----------------------------------------------------------------------------
18import asyncio
19import sys
20import os
21import logging
22from bumble.colors import color
23
24from bumble.device import Device
25from bumble.transport import open_transport_or_link
26
27
28# -----------------------------------------------------------------------------
29async def main():
30    if len(sys.argv) < 2:
31        print('Usage: run_scanner.py <transport-spec> [filter]')
32        print('example: run_scanner.py usb:0')
33        return
34
35    print('<<< connecting to HCI...')
36    async with await open_transport_or_link(sys.argv[1]) as (hci_source, hci_sink):
37        print('<<< connected')
38        filter_duplicates = len(sys.argv) == 3 and sys.argv[2] == 'filter'
39
40        device = Device.with_hci('Bumble', 'F0:F1:F2:F3:F4:F5', hci_source, hci_sink)
41
42        @device.on('advertisement')
43        def _(advertisement):
44            address_type_string = ('PUBLIC', 'RANDOM', 'PUBLIC_ID', 'RANDOM_ID')[
45                advertisement.address.address_type
46            ]
47            address_color = 'yellow' if advertisement.is_connectable else 'red'
48            address_qualifier = ''
49            if address_type_string.startswith('P'):
50                type_color = 'cyan'
51            else:
52                if advertisement.address.is_static:
53                    type_color = 'green'
54                    address_qualifier = '(static)'
55                elif advertisement.address.is_resolvable:
56                    type_color = 'magenta'
57                    address_qualifier = '(resolvable)'
58                else:
59                    type_color = 'white'
60
61            separator = '\n  '
62            print(
63                f'>>> {color(advertisement.address, address_color)} '
64                f'[{color(address_type_string, type_color)}]'
65                f'{address_qualifier}:{separator}RSSI:{advertisement.rssi}'
66                f'{separator}'
67                f'{advertisement.data.to_string(separator)}'
68            )
69
70        await device.power_on()
71        await device.start_scanning(filter_duplicates=filter_duplicates)
72
73        await hci_source.wait_for_termination()
74
75
76# -----------------------------------------------------------------------------
77logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'DEBUG').upper())
78asyncio.run(main())
79