1# Copyright 2023 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 15from dataclasses import dataclass 16import hci_packets as hci 17import link_layer_packets as ll 18import unittest 19from hci_packets import ErrorCode 20from py.bluetooth import Address 21from py.controller import ControllerTest 22 23 24class Test(ControllerTest): 25 26 # LMP/LIH/BV-78-C [Role Switch at Setup, Central] 27 async def test(self): 28 # Test parameters. 29 controller = self.controller 30 acl_connection_handle = 0xefe 31 peer_address = Address('11:22:33:44:55:66') 32 33 controller.send_cmd( 34 hci.CreateConnection(bd_addr=peer_address, 35 packet_type=0x7fff, 36 page_scan_repetition_mode=hci.PageScanRepetitionMode.R1, 37 allow_role_switch=hci.CreateConnectionRoleSwitch.ALLOW_ROLE_SWITCH)) 38 39 await self.expect_evt(hci.CreateConnectionStatus(status=ErrorCode.SUCCESS, num_hci_command_packets=1)) 40 41 await self.expect_ll( 42 ll.Page(source_address=controller.address, destination_address=peer_address, allow_role_switch=True)) 43 44 controller.send_ll( 45 ll.PageResponse(source_address=peer_address, destination_address=controller.address, try_role_switch=True)) 46 47 await self.expect_evt( 48 hci.RoleChange(status=ErrorCode.SUCCESS, bd_addr=peer_address, new_role=hci.Role.PERIPHERAL)) 49 50 await self.expect_evt( 51 hci.ConnectionComplete(status=ErrorCode.SUCCESS, 52 connection_handle=acl_connection_handle, 53 bd_addr=peer_address, 54 link_type=hci.LinkType.ACL, 55 encryption_enabled=hci.Enable.DISABLED)) 56