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108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
# Copyright 2021-2023 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# -----------------------------------------------------------------------------
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# Imports
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# -----------------------------------------------------------------------------
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import asyncio
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import logging
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import sys
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import os
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from bumble.device import (
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Device,
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Connection,
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)
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from bumble.hci import (
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OwnAddressType,
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HCI_LE_Set_Extended_Advertising_Parameters_Command,
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)
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from bumble.transport import open_transport_or_link
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# -----------------------------------------------------------------------------
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async def main() -> None:
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if len(sys.argv) < 3:
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print(
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'Usage: run_cig_setup.py <config-file>'
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'<transport-spec-for-device-1> <transport-spec-for-device-2>'
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)
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print(
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'example: run_cig_setup.py device1.json'
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'tcp-client:127.0.0.1:6402 tcp-client:127.0.0.1:6402'
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)
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return
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print('<<< connecting to HCI...')
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hci_transports = await asyncio.gather(
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open_transport_or_link(sys.argv[2]), open_transport_or_link(sys.argv[3])
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)
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print('<<< connected')
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devices = [
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Device.from_config_file_with_hci(
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sys.argv[1], hci_transport.source, hci_transport.sink
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)
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for hci_transport in hci_transports
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]
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devices[0].cis_enabled = True
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devices[1].cis_enabled = True
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await asyncio.gather(*[device.power_on() for device in devices])
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await devices[0].start_extended_advertising(
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advertising_properties=(
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HCI_LE_Set_Extended_Advertising_Parameters_Command.AdvertisingProperties.CONNECTABLE_ADVERTISING
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),
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own_address_type=OwnAddressType.PUBLIC,
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)
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connection = await devices[1].connect(
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devices[0].public_address, own_address_type=OwnAddressType.PUBLIC
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)
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cid_ids = [2, 3]
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cis_handles = await devices[1].setup_cig(
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cig_id=1,
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cis_id=cid_ids,
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sdu_interval=(10000, 0),
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framing=0,
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max_sdu=(120, 0),
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retransmission_number=13,
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max_transport_latency=(100, 0),
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)
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def on_cis_request(
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connection: Connection, cis_handle: int, _cig_id: int, _cis_id: int
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):
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connection.abort_on('disconnection', devices[0].accept_cis_request(cis_handle))
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devices[0].on('cis_request', on_cis_request)
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cis_links = await devices[1].create_cis(
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[(cis, connection.handle) for cis in cis_handles]
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)
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for cis_link in cis_links:
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await cis_link.disconnect()
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await asyncio.gather(
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*[hci_transport.source.terminated for hci_transport in hci_transports]
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)
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# -----------------------------------------------------------------------------
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logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'DEBUG').upper())
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asyncio.run(main())
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