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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.device import Device, Peer
from bumble.hci import Address
from bumble.profiles.device_information_service import DeviceInformationServiceProxy
from bumble.transport import open_transport
# -----------------------------------------------------------------------------
async def main() -> None:
if len(sys.argv) != 3:
print(
'Usage: device_information_client.py <transport-spec> <bluetooth-address>'
)
print('example: device_information_client.py usb:0 E1:CA:72:48:C4:E8')
return
print('<<< connecting to HCI...')
async with await open_transport(sys.argv[1]) as hci_transport:
print('<<< connected')
# Create and start a device
device = Device.with_hci(
'Bumble',
Address('F0:F1:F2:F3:F4:F5'),
hci_transport.source,
hci_transport.sink,
)
await device.power_on()
# Connect to the peer
target_address = sys.argv[2]
print(f'=== Connecting to {target_address}...')
connection = await device.connect(target_address)
print(f'=== Connected to {connection}')
# Discover the Device Information service
peer = Peer(connection)
print('=== Discovering Device Information Service')
device_information_service = await peer.discover_service_and_create_proxy(
DeviceInformationServiceProxy
)
# Check that the service was found
if device_information_service is None:
print('!!! Service not found')
return
# Read and print the fields
if device_information_service.manufacturer_name is not None:
print(
color('Manufacturer Name: ', 'green'),
await device_information_service.manufacturer_name.read_value(),
)
if device_information_service.model_number is not None:
print(
color('Model Number: ', 'green'),
await device_information_service.model_number.read_value(),
)
if device_information_service.serial_number is not None:
print(
color('Serial Number: ', 'green'),
await device_information_service.serial_number.read_value(),
)
if device_information_service.hardware_revision is not None:
print(
color('Hardware Revision: ', 'green'),
await device_information_service.hardware_revision.read_value(),
)
if device_information_service.firmware_revision is not None:
print(
color('Firmware Revision: ', 'green'),
await device_information_service.firmware_revision.read_value(),
)
if device_information_service.software_revision is not None:
print(
color('Software Revision: ', 'green'),
await device_information_service.software_revision.read_value(),
)
if device_information_service.system_id is not None:
print(
color('System ID: ', 'green'),
await device_information_service.system_id.read_value(),
)
if (
device_information_service.ieee_regulatory_certification_data_list
is not None
):
print(
color('Regulatory Certification:', 'green'),
(
# pylint: disable-next=line-too-long
await device_information_service.ieee_regulatory_certification_data_list.read_value()
).hex(),
)
# -----------------------------------------------------------------------------
bumble.logging.setup_basic_logging('DEBUG')
asyncio.run(main())
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