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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 logging
19import asyncio
20import sys
21import os
22
23from bumble.gatt import (
24    GATT_CHARACTERISTIC_USER_DESCRIPTION_DESCRIPTOR,
25    GATT_DEVICE_INFORMATION_SERVICE,
26    GATT_MANUFACTURER_NAME_STRING_CHARACTERISTIC,
27    Characteristic,
28    Descriptor,
29    Service,
30)
31from bumble.device import Device
32from bumble.host import Host
33from bumble.controller import Controller
34from bumble.link import LocalLink
35from bumble.transport import open_transport_or_link
36
37
38# -----------------------------------------------------------------------------
39async def main():
40    if len(sys.argv) != 4:
41        print(
42            'Usage: run_controller.py <controller-address> <device-config> '
43            '<transport-spec>'
44        )
45        print(
46            'example: run_controller.py F2:F3:F4:F5:F6:F7 device1.json '
47            'udp:0.0.0.0:22333,172.16.104.161:22333'
48        )
49        return
50
51    print('>>> connecting to HCI...')
52    async with await open_transport_or_link(sys.argv[3]) as (hci_source, hci_sink):
53        print('>>> connected')
54
55        # Create a local link
56        link = LocalLink()
57
58        # Create a first controller using the packet source/sink as its host interface
59        controller1 = Controller(
60            'C1', host_source=hci_source, host_sink=hci_sink, link=link
61        )
62        controller1.random_address = sys.argv[1]
63
64        # Create a second controller using the same link
65        controller2 = Controller('C2', link=link)
66
67        # Create a host for the second controller
68        host = Host()
69        host.controller = controller2
70
71        # Create a device to manage the host
72        device = Device.from_config_file(sys.argv[2])
73        device.host = host
74
75        # Add some basic services to the device's GATT server
76        descriptor = Descriptor(
77            GATT_CHARACTERISTIC_USER_DESCRIPTION_DESCRIPTOR,
78            Descriptor.READABLE,
79            'My Description',
80        )
81        manufacturer_name_characteristic = Characteristic(
82            GATT_MANUFACTURER_NAME_STRING_CHARACTERISTIC,
83            Characteristic.READ,
84            Characteristic.READABLE,
85            "Fitbit",
86            [descriptor],
87        )
88        device_info_service = Service(
89            GATT_DEVICE_INFORMATION_SERVICE, [manufacturer_name_characteristic]
90        )
91        device.add_service(device_info_service)
92
93        # Debug print
94        for attribute in device.gatt_server.attributes:
95            print(attribute)
96
97        await device.power_on()
98        await device.start_advertising()
99        await device.start_scanning()
100
101        await hci_source.wait_for_termination()
102
103
104# -----------------------------------------------------------------------------
105logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'DEBUG').upper())
106asyncio.run(main())
107