Files
bumble_mirror/bumble/drivers/intel.py
Charlie Boutier 174930399a intel: send vsc INTEL_DDC_CONFIG_WRITE
This VSC enable host-initiated role-switching after connection.

Implement this VSC in a driver fashion.

Test: avatar security_test with the Bluetooth Dongle Intel BE200
2024-03-11 09:15:18 -07:00

67 lines
2.1 KiB
Python

# Copyright 2024 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 logging
from bumble.drivers import common
from bumble.hci import (
hci_vendor_command_op_code, # type: ignore
HCI_Command,
HCI_Reset_Command,
)
# -----------------------------------------------------------------------------
# Logging
# -----------------------------------------------------------------------------
logger = logging.getLogger(__name__)
# -----------------------------------------------------------------------------
# HCI Commands
# -----------------------------------------------------------------------------
HCI_INTEL_DDC_CONFIG_WRITE_COMMAND = hci_vendor_command_op_code(0xFC8B) # type: ignore
HCI_INTEL_DDC_CONFIG_WRITE_PAYLOAD = [0x03, 0xE4, 0x02, 0x00]
HCI_Command.register_commands(globals())
@HCI_Command.command( # type: ignore
fields=[("params", "*")],
return_parameters_fields=[
("params", "*"),
],
)
class Hci_Intel_DDC_Config_Write_Command(HCI_Command):
pass
class Driver(common.Driver):
def __init__(self, host):
self.host = host
@classmethod
async def for_host(cls, host, force=False): # type: ignore
return cls(host)
async def init_controller(self):
self.host.ready = True
await self.host.send_command(HCI_Reset_Command(), check_result=True)
await self.host.send_command(
Hci_Intel_DDC_Config_Write_Command(
params=HCI_INTEL_DDC_CONFIG_WRITE_PAYLOAD
)
)