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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 os
import logging
from bumble.colors import color
from bumble.device import Device
from bumble.transport import open_transport_or_link
# -----------------------------------------------------------------------------
async def main():
if len(sys.argv) < 2:
print('Usage: run_scanner.py <transport-spec> [filter]')
print('example: run_scanner.py usb:0')
return
print('<<< connecting to HCI...')
async with await open_transport_or_link(sys.argv[1]) as (hci_source, hci_sink):
print('<<< connected')
filter_duplicates = len(sys.argv) == 3 and sys.argv[2] == 'filter'
device = Device.with_hci('Bumble', 'F0:F1:F2:F3:F4:F5', hci_source, hci_sink)
@device.on('advertisement')
def _(advertisement):
address_type_string = ('PUBLIC', 'RANDOM', 'PUBLIC_ID', 'RANDOM_ID')[
advertisement.address.address_type
]
address_color = 'yellow' if advertisement.is_connectable else 'red'
address_qualifier = ''
if address_type_string.startswith('P'):
type_color = 'cyan'
else:
if advertisement.address.is_static:
type_color = 'green'
address_qualifier = '(static)'
elif advertisement.address.is_resolvable:
type_color = 'magenta'
address_qualifier = '(resolvable)'
else:
type_color = 'white'
separator = '\n '
print(
f'>>> {color(advertisement.address, address_color)} '
f'[{color(address_type_string, type_color)}]'
f'{address_qualifier}:{separator}RSSI: {advertisement.rssi}'
f'{separator}'
f'{advertisement.data.to_string(separator)}'
)
await device.power_on()
await device.start_scanning(filter_duplicates=filter_duplicates)
await hci_source.wait_for_termination()
# -----------------------------------------------------------------------------
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'DEBUG').upper())
asyncio.run(main())
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