1# Copyright 2021-2022 Google LLC 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15# ----------------------------------------------------------------------------- 16# Imports 17# ----------------------------------------------------------------------------- 18import asyncio 19import sys 20import os 21import logging 22 23from bumble.device import Device 24from bumble.transport import open_transport_or_link 25 26 27# ----------------------------------------------------------------------------- 28async def main(): 29 if len(sys.argv) < 3: 30 print( 31 'Usage: run_connect_and_encrypt.py <device-config> <transport-spec> ' 32 '<bluetooth-address>' 33 ) 34 print( 35 'example: run_connect_and_encrypt.py device1.json usb:0 E1:CA:72:48:C4:E8' 36 ) 37 return 38 39 print('<<< connecting to HCI...') 40 async with await open_transport_or_link(sys.argv[2]) as (hci_source, hci_sink): 41 print('<<< connected') 42 43 # Create a device 44 device = Device.from_config_file_with_hci(sys.argv[1], hci_source, hci_sink) 45 await device.power_on() 46 47 # Connect to the peer 48 target_address = sys.argv[3] 49 print(f'=== Connecting to {target_address}...') 50 connection = await device.connect(target_address) 51 print('=== Connected') 52 print('*** Encrypting...') 53 try: 54 await connection.encrypt() 55 except Exception as error: 56 print(f'!!! Encryption failed: {error}') 57 return 58 59 await hci_source.wait_for_termination() 60 61 62# ----------------------------------------------------------------------------- 63logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'DEBUG').upper()) 64asyncio.run(main()) 65