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 22import struct 23 24from bumble.core import AdvertisingData 25from bumble.device import Device 26from bumble.transport import open_transport_or_link 27from bumble.profiles.device_information_service import DeviceInformationService 28 29 30# ----------------------------------------------------------------------------- 31async def main(): 32 if len(sys.argv) != 3: 33 print('Usage: python device_info_server.py <device-config> <transport-spec>') 34 print('example: python device_info_server.py device1.json usb:0') 35 return 36 37 async with await open_transport_or_link(sys.argv[2]) as (hci_source, hci_sink): 38 device = Device.from_config_file_with_hci(sys.argv[1], hci_source, hci_sink) 39 40 # Add a Device Information Service to the GATT sever 41 device_information_service = DeviceInformationService( 42 manufacturer_name='ACME', 43 model_number='AB-102', 44 serial_number='7654321', 45 hardware_revision='1.1.3', 46 software_revision='2.5.6', 47 system_id=(0x123456, 0x8877665544), 48 ) 49 device.add_service(device_information_service) 50 51 # Set the advertising data 52 device.advertising_data = bytes( 53 AdvertisingData( 54 [ 55 ( 56 AdvertisingData.COMPLETE_LOCAL_NAME, 57 bytes('Bumble Device', 'utf-8'), 58 ), 59 (AdvertisingData.APPEARANCE, struct.pack('<H', 0x0340)), 60 ] 61 ) 62 ) 63 64 # Go! 65 await device.power_on() 66 await device.start_advertising(auto_restart=True) 67 await hci_source.wait_for_termination() 68 69 70# ----------------------------------------------------------------------------- 71logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'DEBUG').upper()) 72asyncio.run(main()) 73