esp-idf/components/bt/bluedroid/btc/profile/std/include/btc_avrc.h

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/*
* Copyright (C) 2012 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.
*/
#ifndef __BTC_AVRC_H__
#define __BTC_AVRC_H__
#include <stdint.h>
#include <stdbool.h>
#include "bt_defs.h"
#include "bt_types.h"
#include "bta_av_api.h"
#if (BTC_AV_INCLUDED == TRUE)
#ifndef BTC_AVRC_TGT_INCLUDED
#define BTC_AVRC_TGT_INCLUDED FALSE
#endif
/* Macros */
typedef enum {
BTRC_FEAT_NONE = 0x00, /* AVRCP 1.0 */
BTRC_FEAT_METADATA = 0x01, /* AVRCP 1.3 */
BTRC_FEAT_ABSOLUTE_VOLUME = 0x02, /* Supports TG role and volume sync */
BTRC_FEAT_BROWSE = 0x04, /* AVRCP 1.4 and up, with Browsing support */
} btrc_remote_features_t;
typedef enum {
BTC_AVRC_CTRL_API_INIT_EVT = 0,
BTC_AVRC_CTRL_API_DEINIT_EVT,
BTC_AVRC_CTRL_API_SND_PTCMD_EVT,
BTC_AVRC_STATUS_API_SND_META_EVT,
BTC_AVRC_STATUS_API_SND_PLAY_STATUS_EVT,
BTC_AVRC_NOTIFY_API_SND_REG_NOTIFY_EVT,
BTC_AVRC_CTRL_API_SET_PLAYER_SETTING_EVT
} btc_avrc_act_t;
typedef struct {
uint8_t tl; /* transaction label */
uint8_t key_code;
uint8_t key_state;
} pt_cmd_t;
typedef struct {
uint8_t tl;
uint8_t attr_mask;
} md_cmd_t;
typedef struct {
uint8_t tl;
uint8_t event_id;
uint32_t event_parameter;
} rn_cmd_t;
typedef struct {
uint8_t tl;
uint8_t attr_id;
uint8_t value_id;
} ps_cmd_t;
/* btc_avrc_args_t */
typedef union {
pt_cmd_t pt_cmd;
md_cmd_t md_cmd;
rn_cmd_t rn_cmd;
ps_cmd_t ps_cmd;
} btc_avrc_args_t;
/** BT-RC Controller callback structure. */
typedef void (* btrc_passthrough_rsp_callback) (int id, int key_state);
typedef void (* btrc_connection_state_callback) (bool state, bt_bdaddr_t *bd_addr);
void btc_rc_handler(tBTA_AV_EVT event, tBTA_AV *p_data);
BOOLEAN btc_rc_get_connected_peer(BD_ADDR peer_addr);
/*******************************************************************************
** BTC AVRC API
********************************************************************************/
void btc_avrc_call_handler(btc_msg_t *msg);
#endif ///BTC_AV_INCLUDED == TRUE
#endif /* __BTC_AVRC_H__ */