1 /******************************************************************************
2  *
3  *  Copyright (C) 2015 Google, Inc.
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #pragma once
20 
21 #include <stdint.h>
22 
23 // Audio state definitions.
24 typedef enum {
25     SCO_STATE_OFF = 0,      // Audio is off.
26     SCO_STATE_OFF_TRANSFER, // Closed pending final transfer of audio.
27     SCO_STATE_ON,           // Audio is on.
28     SCO_STATE_SETUP,        // Open pending completion of audio setup.
29 } sco_state_t;
30 
31 // Codec type definitions.
32 typedef enum {
33     SCO_CODEC_NONE = 0x0000,
34     SCO_CODEC_CVSD = 0x0001,
35     SCO_CODEC_MSBC = 0x0002,
36 } sco_codec_t;
37 
38 // Set the audio state on the controller for SCO (PCM, WBS, ...) using the
39 // vendor library.
40 void set_audio_state(uint16_t handle, sco_codec_t codec, sco_state_t state);
41