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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.colors import color
from bumble.core import DeviceClass
from bumble.device import Device
from bumble.hci import Address
from bumble.transport import open_transport
# -----------------------------------------------------------------------------
class DiscoveryListener(Device.Listener):
def on_inquiry_result(self, address, class_of_device, data, rssi):
(
service_classes,
major_device_class,
minor_device_class,
) = DeviceClass.split_class_of_device(class_of_device)
separator = '\n '
print(f'>>> {color(address, "yellow")}:')
print(f' Device Class (raw): {class_of_device:06X}')
major_class_name = DeviceClass.major_device_class_name(major_device_class)
print(f' Device Major Class: {major_class_name}')
minor_class_name = DeviceClass.minor_device_class_name(
major_device_class, minor_device_class
)
print(f' Device Minor Class: {minor_class_name}')
print(
' Device Services: '
f'{", ".join(DeviceClass.service_class_labels(service_classes))}'
)
print(f' RSSI: {rssi}')
if data.ad_structures:
print(f' {data.to_string(separator)}')
# -----------------------------------------------------------------------------
async def main() -> None:
if len(sys.argv) != 2:
print('Usage: run_classic_discovery.py <transport-spec>')
print('example: run_classic_discovery.py usb:04b4:f901')
return
print('<<< connecting to HCI...')
async with await open_transport(sys.argv[1]) as hci_transport:
print('<<< connected')
device = Device.with_hci(
'Bumble',
Address('F0:F1:F2:F3:F4:F5'),
hci_transport.source,
hci_transport.sink,
)
device.listener = DiscoveryListener()
await device.power_on()
await device.start_discovery()
await hci_transport.source.terminated
# -----------------------------------------------------------------------------
bumble.logging.setup_basic_logging('DEBUG')
asyncio.run(main())
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