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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.device import Device
from bumble.transport import open_transport
# -----------------------------------------------------------------------------
async def main() -> None:
if len(sys.argv) < 3:
print(
'Usage: run_connect_and_encrypt.py <device-config> <transport-spec> '
'<bluetooth-address>'
)
print(
'example: run_connect_and_encrypt.py device1.json usb:0 E1:CA:72:48:C4:E8'
)
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
)
await device.power_on()
# Connect to the peer
target_address = sys.argv[3]
print(f'=== Connecting to {target_address}...')
connection = await device.connect(target_address)
print('=== Connected')
print('*** Encrypting...')
try:
await connection.encrypt()
except Exception as error:
print(f'!!! Encryption failed: {error}')
return
await hci_transport.source.wait_for_termination()
# -----------------------------------------------------------------------------
bumble.logging.setup_basic_logging('DEBUG')
asyncio.run(main())
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