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# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import sys
import bumble.logging
from bumble.core import (
BT_ADVANCED_AUDIO_DISTRIBUTION_SERVICE,
BT_AUDIO_SINK_SERVICE,
BT_AVDTP_PROTOCOL_ID,
BT_L2CAP_PROTOCOL_ID,
)
from bumble.device import Device
from bumble.sdp import (
SDP_BLUETOOTH_PROFILE_DESCRIPTOR_LIST_ATTRIBUTE_ID,
SDP_BROWSE_GROUP_LIST_ATTRIBUTE_ID,
SDP_PROTOCOL_DESCRIPTOR_LIST_ATTRIBUTE_ID,
SDP_PUBLIC_BROWSE_ROOT,
SDP_SERVICE_CLASS_ID_LIST_ATTRIBUTE_ID,
SDP_SERVICE_RECORD_HANDLE_ATTRIBUTE_ID,
DataElement,
ServiceAttribute,
)
from bumble.transport import open_transport
# -----------------------------------------------------------------------------
SDP_SERVICE_RECORDS = {
0x00010001: [
ServiceAttribute(
SDP_SERVICE_RECORD_HANDLE_ATTRIBUTE_ID,
DataElement.unsigned_integer_32(0x00010001),
),
ServiceAttribute(
SDP_BROWSE_GROUP_LIST_ATTRIBUTE_ID,
DataElement.sequence([DataElement.uuid(SDP_PUBLIC_BROWSE_ROOT)]),
),
ServiceAttribute(
SDP_SERVICE_CLASS_ID_LIST_ATTRIBUTE_ID,
DataElement.sequence([DataElement.uuid(BT_AUDIO_SINK_SERVICE)]),
),
ServiceAttribute(
SDP_PROTOCOL_DESCRIPTOR_LIST_ATTRIBUTE_ID,
DataElement.sequence(
[
DataElement.sequence(
[
DataElement.uuid(BT_L2CAP_PROTOCOL_ID),
DataElement.unsigned_integer_16(25),
]
),
DataElement.sequence(
[
DataElement.uuid(BT_AVDTP_PROTOCOL_ID),
DataElement.unsigned_integer_16(256),
]
),
]
),
),
ServiceAttribute(
SDP_BLUETOOTH_PROFILE_DESCRIPTOR_LIST_ATTRIBUTE_ID,
DataElement.sequence(
[
DataElement.sequence(
[
DataElement.uuid(BT_ADVANCED_AUDIO_DISTRIBUTION_SERVICE),
DataElement.unsigned_integer_16(256),
]
)
]
),
),
]
}
# -----------------------------------------------------------------------------
async def main() -> None:
if len(sys.argv) < 3:
print('Usage: run_classic_discoverable.py <device-config> <transport-spec>')
print('example: run_classic_discoverable.py classic1.json usb:04b4:f901')
return
print('<<< connecting to HCI...')
async with await open_transport(sys.argv[2]) as hci_transport:
print('<<< connected')
# Create a device
device = Device.from_config_file_with_hci(
sys.argv[1], hci_transport.source, hci_transport.sink
)
device.classic_enabled = True
device.sdp_service_records = SDP_SERVICE_RECORDS
await device.power_on()
# Start being discoverable and connectable
await device.set_discoverable(True)
await device.set_connectable(True)
await hci_transport.source.wait_for_termination()
# -----------------------------------------------------------------------------
bumble.logging.setup_basic_logging('DEBUG')
asyncio.run(main())
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