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components/bt/host/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 "common/bt_defs.h"
#include "stack/bt_types.h"
#include "bta/bta_av_api.h"
#include "btc/btc_task.h"
#include "esp_avrc_api.h"
#if (BTC_AV_INCLUDED == TRUE)
#ifndef BTC_AVRC_TGT_INCLUDED
#define BTC_AVRC_TGT_INCLUDED FALSE
#endif
typedef enum {
BTC_AVRC_CT_API_INIT_EVT = 0,
BTC_AVRC_CT_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_STATUS_API_SND_GET_RN_CAPS_EVT,
BTC_AVRC_NOTIFY_API_SND_REG_NOTIFY_EVT,
BTC_AVRC_CTRL_API_SND_SET_PLAYER_SETTING_EVT,
BTC_AVRC_CTRL_API_SND_SET_ABSOLUTE_VOLUME_EVT,
#if BTC_AV_CA_INCLUDED
BTC_AVRC_CT_API_COVER_ART_CONNECT_EVT,
BTC_AVRC_CT_API_COVER_ART_DISCONNECT_EVT,
BTC_AVRC_CT_API_COVER_ART_GET_IMAGE_PROPERTIES_EVT,
BTC_AVRC_CT_API_COVER_ART_GET_IMAGE_EVT,
BTC_AVRC_CT_API_COVER_ART_GET_LINKED_THUMBNAIL_EVT,
#endif
} 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;
typedef struct {
uint8_t tl;
} get_caps_cmd_t;
#define BTC_AVRC_MIN_VOLUME 0x00
#define BTC_AVRC_MAX_VOLUME 0x7f
typedef struct {
uint8_t tl;
uint8_t volume;
} set_abs_vol_cmd_t;
#if BTC_AV_CA_INCLUDED
typedef struct {
uint16_t mtu;
} ca_conn_t;
typedef struct {
uint8_t image_handle[7];
} ca_get_img_prop_t;
typedef struct {
uint8_t image_handle[7];
uint16_t image_descriptor_len;
uint8_t *image_descriptor;
} ca_get_img_t;
typedef struct {
uint8_t image_handle[7];
} ca_get_lk_thn_t;
#endif /* BTC_AV_CA_INCLUDED */
/* 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;
get_caps_cmd_t get_caps_cmd;
set_abs_vol_cmd_t set_abs_vol_cmd;
#if BTC_AV_CA_INCLUDED
ca_conn_t ca_conn;
ca_get_img_prop_t ca_get_img_prop;
ca_get_img_t ca_get_img;
ca_get_lk_thn_t ca_get_lk_thn;
#endif
} btc_avrc_args_t;
/* btc_avrc_tg_act_t */
typedef enum {
BTC_AVRC_TG_API_INIT_EVT = 0,
BTC_AVRC_TG_API_DEINIT_EVT,
BTC_AVRC_TG_API_SET_RN_SUPPORTED_EVT,
BTC_AVRC_TG_API_SET_PSTH_SUPPORTED_CMD_EVT,
BTC_AVRC_TG_API_SEND_RN_RSP_EVT,
} btc_avrc_tg_act_t;
/*****************************************************************************
** Constants & Macros
******************************************************************************/
/* for AVRC 1.4 need to change this */
#define BTC_RC_CT_INIT_MAGIC 0x20181128
#define BTC_RC_TG_INIT_MAGIC 0x20181129
#define MAX_RC_NOTIFICATIONS (13) // refer to ESP_AVRC_RN_MAX_EVT
#define CHECK_ESP_RC_CONNECTED do { \
BTC_TRACE_DEBUG("## %s ##", __FUNCTION__); \
if (btc_rc_cb.rc_connected == FALSE) { \
BTC_TRACE_WARNING("Function %s() called when RC is not connected", __FUNCTION__); \
return ESP_ERR_INVALID_STATE; \
} \
} while (0)
/*****************************************************************************
** Local type definitions
******************************************************************************/
typedef struct {
BOOLEAN registered;
UINT8 label;
} btc_rc_reg_ntf_t;
typedef struct {
BOOLEAN rc_connected;
#if BTC_AV_CA_INCLUDED
BOOLEAN rc_cover_art_connected;
#endif
UINT8 rc_handle;
tBTA_AV_FEAT rc_features;
UINT16 rc_ct_features;
UINT16 rc_tg_features;
BD_ADDR rc_addr;
btc_rc_reg_ntf_t rc_ntf[MAX_RC_NOTIFICATIONS];
} btc_rc_cb_t;
/*****************************************************************************
** Static variables
******************************************************************************/
#if AVRC_DYNAMIC_MEMORY == TRUE
extern btc_rc_cb_t *btc_rc_cb_ptr;
#define btc_rc_cb (*btc_rc_cb_ptr)
#endif ///AVRC_DYNAMIC_MEMORY == FALSE
typedef struct {
esp_avrc_rn_event_ids_t event_id;
esp_avrc_rn_rsp_t rsp;
esp_avrc_rn_param_t param;
} rn_rsp_t;
/* btc_avrc_tg_args_t */
typedef union {
rn_rsp_t rn_rsp; /* BTC_AVRC_TG_API_SEND_RN_RSP_EVT */
uint16_t set_rn_evt; /* BTC_AVRC_TG_API_SET_RN_SUPPORTED_EVT */
uint16_t *set_psth_cmd; /* BTC_AVRC_TG_API_SET_PSTH_SUPPORTED_CMD_EVT */
} btc_avrc_tg_args_t;
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_ct_call_handler(btc_msg_t *msg);
void btc_avrc_tg_call_handler(btc_msg_t *msg);
void btc_avrc_arg_deep_copy(btc_msg_t *msg, void *p_dest, void *p_src);
void btc_avrc_arg_deep_free(btc_msg_t *msg);
void btc_avrc_tg_arg_deep_copy(btc_msg_t *msg, void *p_dest, void *p_src);
void btc_avrc_tg_arg_deep_free(btc_msg_t *msg);
bool btc_avrc_tg_init_p(void);
bool btc_avrc_ct_init_p(void);
bool btc_avrc_tg_connected_p(void);
bool btc_avrc_ct_connected_p(void);
const uint16_t *btc_avrc_tg_get_supported_command(void);
const uint16_t *btc_avrc_tg_get_allowed_command(void);
bool btc_avrc_tg_check_supported_command(const uint16_t *cmd_set);
uint16_t btc_avrc_tg_get_rn_allowed_evt(void);
uint16_t btc_avrc_tg_get_rn_supported_evt(void);
bool btc_avrc_tg_check_rn_supported_evt(uint16_t evt_set);
bool btc_avrc_tg_rn_evt_supported(uint8_t event_id);
bool btc_avrc_ct_rn_evt_supported(uint8_t event_id);
bool btc_avrc_ct_check_cover_art_support(void);
#endif ///BTC_AV_INCLUDED == TRUE
#endif /* __BTC_AVRC_H__ */
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