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.
24typedef 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.
32typedef 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.
40void set_audio_state(uint16_t handle, sco_codec_t codec, sco_state_t state);
41