| /* |
| * Copyright 2022 The Android Open Source Project |
| * |
| * 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 |
| * |
| * http://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. |
| */ |
| |
| package android.hardware.bluetooth; |
| |
| import android.hardware.bluetooth.IBluetoothHciCallbacks; |
| |
| /** |
| * The Host Controller Interface (HCI) is the layer defined by the Bluetooth |
| * specification between the software that runs on the host and the Bluetooth |
| * controller chip. This boundary is the natural choice for a Hardware |
| * Abstraction Layer (HAL). Dealing only in HCI packets and events simplifies |
| * the stack and abstracts away power management, initialization, and other |
| * implementation-specific details related to the hardware. |
| */ |
| @VintfStability |
| interface IBluetoothHci { |
| /** |
| * Close the HCI interface |
| */ |
| void close(); |
| |
| /** |
| * Initialize the Bluetooth interface and set the callbacks. |
| */ |
| void initialize(in IBluetoothHciCallbacks callback); |
| |
| /** |
| * Send an HCI ACL data packet (as specified in the Bluetooth Specification |
| * V4.2, Vol 2, Part 5, Section 5.4.2) to the Bluetooth controller. |
| * Packets must be processed in order. |
| * @param data HCI data packet to be sent |
| */ |
| void sendAclData(in byte[] data); |
| |
| /** |
| * Send an HCI command (as specified in the Bluetooth Specification |
| * V4.2, Vol 2, Part 5, Section 5.4.1) to the Bluetooth controller. |
| * Commands must be executed in order. |
| * |
| * @param command is the HCI command to be sent |
| */ |
| void sendHciCommand(in byte[] command); |
| |
| /** |
| * Send an ISO data packet (as specified in the Bluetooth Core |
| * Specification v5.2) to the Bluetooth controller. |
| * Packets must be processed in order. |
| * @param data HCI data packet to be sent |
| */ |
| void sendIsoData(in byte[] data); |
| |
| /** |
| * Send an SCO data packet (as specified in the Bluetooth Specification |
| * V4.2, Vol 2, Part 5, Section 5.4.3) to the Bluetooth controller. |
| * Packets must be processed in order. |
| * @param data HCI data packet to be sent |
| */ |
| void sendScoData(in byte[] data); |
| } |