1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 #include <functional>
19 
20 #include "../hearing_aid_software_encoding.h"
21 #include "common/message_loop_thread.h"
22 
23 namespace bluetooth {
24 namespace audio {
25 namespace aidl {
26 namespace hearing_aid {
27 
28 using ::bluetooth::audio::hearing_aid::StreamCallbacks;
29 
30 // Check if new bluetooth_audio is enabled
31 bool is_hal_enabled();
32 
33 // Initialize BluetoothAudio HAL: openProvider
34 bool init(StreamCallbacks stream_cb,
35           bluetooth::common::MessageLoopThread* message_loop);
36 
37 // Clean up BluetoothAudio HAL
38 void cleanup();
39 
40 // Send command to the BluetoothAudio HAL: StartSession, EndSession
41 void start_session();
42 void end_session();
43 
44 void set_remote_delay(uint16_t delay_report_ms);
45 
46 // Read from the FMQ of BluetoothAudio HAL
47 size_t read(uint8_t* p_buf, uint32_t len);
48 
49 }  // namespace hearing_aid
50 }  // namespace aidl
51 }  // namespace audio
52 }  // namespace bluetooth
53