bt_avrcp.h

/* Copyright Statement:
 *
 * (C) 2005-2017 MediaTek Inc. All rights reserved.
 *
 * This software/firmware and related documentation ("MediaTek Software") are
 * protected under relevant copyright laws. The information contained herein
 * is confidential and proprietary to MediaTek Inc. ("MediaTek") and/or its licensors.
 * Without the prior written permission of MediaTek and/or its licensors,
 * any reproduction, modification, use or disclosure of MediaTek Software,
 * and information contained herein, in whole or in part, shall be strictly prohibited.
 * You may only use, reproduce, modify, or distribute (as applicable) MediaTek Software
 * if you have agreed to and been bound by the applicable license agreement with
 * MediaTek ("License Agreement") and been granted explicit permission to do so within
 * the License Agreement ("Permitted User"). If you are not a Permitted User,
 * please cease any access or use of MediaTek Software immediately.
 * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
 * THAT MEDIATEK SOFTWARE RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES
 * ARE PROVIDED TO RECEIVER ON AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL
 * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
 * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
 * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
 * SUPPLIED WITH MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
 * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
 * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
 * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
 * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
 * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
 * CUMULATIVE LIABILITY WITH RESPECT TO MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
 * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE MEDIATEK SOFTWARE AT ISSUE,
 * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
 * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
 */


#ifndef __BT_AVRCP_H__
#define __BT_AVRCP_H__

#include "stdint.h"
#include "stdbool.h"
#include "bt_type.h"

BT_EXTERN_C_BEGIN
#define BT_AVRCP_CONNECT_CNF                      (BT_MODULE_AVRCP | 0x0000)   
#define BT_AVRCP_CONNECT_IND                      (BT_MODULE_AVRCP | 0x0001)   
#define BT_AVRCP_DISCONNECT_IND                   (BT_MODULE_AVRCP | 0x0002)   
#define BT_AVRCP_PASS_THROUGH_CNF                 (BT_MODULE_AVRCP | 0x0003)   
#define BT_AVRCP_LIST_APP_SETTING_ATTRIBUTES_CNF  (BT_MODULE_AVRCP | 0x0004)   
#define BT_AVRCP_GET_APP_SETTING_VALUE_CNF        (BT_MODULE_AVRCP | 0x0005)   
#define BT_AVRCP_SET_APP_SETTING_VALUE_CNF        (BT_MODULE_AVRCP | 0x0006)   
#define BT_AVRCP_GET_ELEMENT_ATTRIBUTES_CNF       (BT_MODULE_AVRCP | 0x0007)   
#define BT_AVRCP_EVENT_NOTIFICATION_IND           (BT_MODULE_AVRCP | 0x0008)   
#define BT_AVRCP_REQUEST_CONTINUING_CNF           (BT_MODULE_AVRCP | 0x0009)   
#define BT_AVRCP_ABORT_CONTINUING_CNF             (BT_MODULE_AVRCP | 0x000a)   
#define BT_AVRCP_SET_ABSOLUTE_VOLUME_CNF          (BT_MODULE_AVRCP | 0x000b)   
#define BT_AVRCP_PASS_THROUGH_COMMAND_IND         (BT_MODULE_AVRCP | 0x0010)   
#define BT_AVRCP_SET_ABSOLUTE_VOLUME_COMMAND_IND  (BT_MODULE_AVRCP | 0x0011)   
#define BT_AVRCP_REGISTER_NOTIFICATION_IND        (BT_MODULE_AVRCP | 0x0012)   
#define BT_AVRCP_GET_PLAY_STATUS_NOTIFICATION_IND        (BT_MODULE_AVRCP | 0x0013)   
#define BT_AVRCP_ELEMENT_METADATA_IND        (BT_MODULE_AVRCP | 0x0014)   
#define BT_AVRCP_GET_CAPABILITY_IND        (BT_MODULE_AVRCP | 0x0015)   
#define BT_AVRCP_ELEMENT_METADATA_CONT_IND        (BT_MODULE_AVRCP | 0x0016)   
#define BT_AVRCP_CONTINUATION_ABORT_IND        (BT_MODULE_AVRCP | 0x0017)   
#define BT_STATUS_AVRCP_INVALID_PARAMETER           (BT_MODULE_AVRCP | 0x01)   
#define BT_STATUS_AVRCP_FAILED                      (BT_MODULE_AVRCP | 0x02)   
#define BT_STATUS_AVRCP_BUSY                        (BT_MODULE_AVRCP | 0x03)   
#define BT_STATUS_AVRCP_LINK_ALREADY_EXISTED        (BT_MODULE_AVRCP | 0x04)   
#define BT_STATUS_AVRCP_SDP_QUERY_FAILED            (BT_MODULE_AVRCP | 0x05)   
#define BT_STATUS_AVRCP_NOT_IMPLEMENTED             (BT_MODULE_AVRCP | 0x28)   
#define BT_STATUS_AVRCP_REJECTED                    (BT_MODULE_AVRCP | 0x29)   
#define BT_STATUS_AVRCP_INTERIM                     (BT_MODULE_AVRCP | 0x2F)   
#define BT_STATUS_AVRCP_REJECT_INVALID_COMMAND      (BT_MODULE_AVRCP | 0x30)   
#define BT_STATUS_AVRCP_REJECT_INVALID_PARAMETER    (BT_MODULE_AVRCP | 0x31)   
#define BT_STATUS_AVRCP_REJECT_PARAMTER_NOT_FOUND   (BT_MODULE_AVRCP | 0x32)   
#define BT_STATUS_AVRCP_REJECT_INTERNAL_ERROR       (BT_MODULE_AVRCP | 0x33)   
#define BT_AVRCP_OPERATION_ID_SELECT  0x00 
#define BT_AVRCP_OPERATION_ID_UP  0x01 
#define BT_AVRCP_OPERATION_ID_DOWN 0x02 
#define BT_AVRCP_OPERATION_ID_LEFT 0x03 
#define BT_AVRCP_OPERATION_ID_RIGHT 0x04 
#define BT_AVRCP_OPERATION_ID_RIGHT_UP 0x05 
#define BT_AVRCP_OPERATION_ID_RIGHT_DOWN 0x06 
#define BT_AVRCP_OPERATION_ID_LEFT_UP 0x07 
#define BT_AVRCP_OPERATION_ID_LEFT_DOWN 0x08 
#define BT_AVRCP_OPERATION_ID_ROOT_MENU 0x09 
#define BT_AVRCP_OPERATION_ID_SETUP_MENU 0x0A 
#define BT_AVRCP_OPERATION_ID_CONTENTS_MENU 0x0B 
#define BT_AVRCP_OPERATION_ID_FAVORITE_MENU 0x0C 
#define BT_AVRCP_OPERATION_ID_EXIT 0x0D 
#define BT_AVRCP_OPERATION_ID_0 0x20 
#define BT_AVRCP_OPERATION_ID_1 0x21 
#define BT_AVRCP_OPERATION_ID_2 0x22 
#define BT_AVRCP_OPERATION_ID_3 0x23 
#define BT_AVRCP_OPERATION_ID_4 0x24 
#define BT_AVRCP_OPERATION_ID_5 0x25 
#define BT_AVRCP_OPERATION_ID_6 0x26 
#define BT_AVRCP_OPERATION_ID_7 0x27 
#define BT_AVRCP_OPERATION_ID_8 0x28 
#define BT_AVRCP_OPERATION_ID_9 0x29 
#define BT_AVRCP_OPERATION_ID_DOT 0x2A 
#define BT_AVRCP_OPERATION_ID_ENTER 0x2B 
#define BT_AVRCP_OPERATION_ID_CLEAR 0x2C 
#define BT_AVRCP_OPERATION_ID_CHANNEL_UP 0x30 
#define BT_AVRCP_OPERATION_ID_CHANNEL_DOWN 0x31 
#define BT_AVRCP_OPERATION_ID_PREVIOUS_CHANNEL 0x32 
#define BT_AVRCP_OPERATION_ID_SOUND_SELECT 0x33 
#define BT_AVRCP_OPERATION_ID_INPUT_SELECT 0x34 
#define BT_AVRCP_OPERATION_ID_DISPLAY_INFO 0x35 
#define BT_AVRCP_OPERATION_ID_HELP 0x36 
#define BT_AVRCP_OPERATION_ID_PAGE_UP 0x37 
#define BT_AVRCP_OPERATION_ID_PAGE_DOWN 0x38 
#define BT_AVRCP_OPERATION_ID_POWER 0x40 
#define BT_AVRCP_OPERATION_ID_VOLUME_UP 0x41 
#define BT_AVRCP_OPERATION_ID_VOLUME_DOWN 0x42 
#define BT_AVRCP_OPERATION_ID_MUTE 0x43 
#define BT_AVRCP_OPERATION_ID_PLAY 0x44 
#define BT_AVRCP_OPERATION_ID_STOP 0x45 
#define BT_AVRCP_OPERATION_ID_PAUSE 0x46 
#define BT_AVRCP_OPERATION_ID_RECORD 0x47 
#define BT_AVRCP_OPERATION_ID_REWIND 0x48 
#define BT_AVRCP_OPERATION_ID_FAST_FORWARD 0x49 
#define BT_AVRCP_OPERATION_ID_EJECT 0x4A 
#define BT_AVRCP_OPERATION_ID_FORWARD 0x4B 
#define BT_AVRCP_OPERATION_ID_BACKWARD 0x4C 
#define BT_AVRCP_OPERATION_ID_ANGLE 0x50 
#define BT_AVRCP_OPERATION_ID_SUBPICTURE 0x51 
#define BT_AVRCP_OPERATION_ID_F1 0x71 
#define BT_AVRCP_OPERATION_ID_F2 0x72 
#define BT_AVRCP_OPERATION_ID_F3 0x73 
#define BT_AVRCP_OPERATION_ID_F4 0x74 
#define BT_AVRCP_OPERATION_ID_F5 0x75 
#define BT_AVRCP_OPERATION_ID_RESERVED 0x7F 
typedef uint8_t bt_avrcp_operation_id_t; 
#define BT_AVRCP_FALSE 0
#define BT_AVRCP_TRUE 1

#define BT_AVRCP_ROLE_CT             0          
#define BT_AVRCP_ROLE_TG             1          
#define BT_AVRCP_ROLE_CT_AND_TG      2
#define BT_AVRCP_ROLE_UNDEF     255
#define BT_AVRCP_MAX_CHANNEL   2 /* One Target and one Controller. */

typedef uint8_t bt_avrcp_role;


#define BT_AVRCP_OPERATION_STATE_PUSH 0  
#define BT_AVRCP_OPERATION_STATE_RELEASED 1  
typedef uint8_t bt_avrcp_operation_state_t;  
#define BT_AVRCP_METADATA_PACKET_TYPE_NON_FRAGMENT 0x00     
#define BT_AVRCP_METADATA_PACKET_TYPE_START 0x01            
#define BT_AVRCP_METADATA_PACKET_TYPE_CONTINUE 0x02         
#define BT_AVRCP_METADATA_PACKET_TYPE_END 0x03              
typedef uint16_t bt_avrcp_metadata_packet_type_t;           
/* METADATA */

typedef enum
{
    BT_AVRCP_FIRST_OR_ONLY_IND_REQ = 0,
    BT_AVRCP_CONTINUATION_IND_REQ,
    BT_AVRCP_CONTINUATION_ABORT_IND_REQ,
    BT_AVRCP_PACKET_TYPE_IND_TOTAL
}bt_avrcp_continuation_data_req_type;

typedef bt_avrcp_continuation_data_req_type data_type;

#define BT_AVRCP_MEDIA_ATTRIBUTE_TITLE 0x01                 
#define BT_AVRCP_MEDIA_ATTRIBUTE_ARTIST_NAME 0x02           
#define BT_AVRCP_MEDIA_ATTRIBUTE_ALBUM_NAME 0x03            
#define BT_AVRCP_MEDIA_ATTRIBUTE_MEDIA_NUMBER 0x04          
#define BT_AVRCP_MEDIA_ATTRIBUTE_TOTAL_MEDIA_NUMBER 0x05    
#define BT_AVRCP_MEDIA_ATTRIBUTE_GENRE 0x06                 
#define BT_AVRCP_MEDIA_ATTRIBUTE_PLAYING_TIME 0x07          
typedef uint32_t bt_avrcp_media_attribute_t;                 
#define    BT_AVRCP_EVENT_PLAYBACK_STATUS_CHANGED 0x01      
#define    BT_AVRCP_EVENT_TRACK_CHANGED 0x02                
#define    BT_AVRCP_EVENT_TRACK_REACHED_END 0x03            
#define    BT_AVRCP_EVENT_TRACK_REACHED_START 0x04          
#define    BT_AVRCP_EVENT_PLAYBACK_POS_CHANGED 0x05         
#define    BT_AVRCP_EVENT_BATT_STATUS_CHANGED 0x06          
#define    BT_AVRCP_EVENT_SYSTEM_STATUS_CHANGED 0x07        
#define    BT_AVRCP_EVENT_PLAYER_APP_SETTING_CHANGED 0x08   
#define    BT_AVRCP_EVENT_NOW_PLAYING_CONTENT_CHANGED 0x09 
#define    BT_AVRCP_EVENT_AVAILABLE_PLAYERS_CHANGED 0x0a    
#define    BT_AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED 0x0b 
#define    BT_AVRCP_EVENT_UIDS_CHANGED 0x0c         
#define    BT_AVRCP_EVENT_VOLUME_CHANGED 0x0D               
typedef uint8_t bt_avrcp_event_t;  
#define    BT_AVRCP_STATUS_SYSTEM_POWER_ON 0x00      
#define    BT_AVRCP_STATUS_SYSTEM_POWER_OFF 0x01                
#define    BT_AVRCP_STATUS_SYSTEM_UNPLUGGED 0x02            
#define    BT_AVRCP_STATUS_BATT_NORMAL 0x00      
#define    BT_AVRCP_STATUS_BATT_WARNING 0x01                
#define    BT_AVRCP_STATUS_BATT_CRITICAL 0x02        
#define    BT_AVRCP_STATUS_BATT_EXTERNAL 0x03          
#define    BT_AVRCP_STATUS_BATT_FULL_CHARGE 0x04         
#define    BT_AVRCP_STATUS_PLAY_STOPPED 0x00      
#define    BT_AVRCP_STATUS_PLAY_PLAYING 0x01                
#define    BT_AVRCP_STATUS_PLAY_PAUSED 0x02            
#define    BT_AVRCP_STATUS_PLAY_FWD_SEEK 0x03          
#define    BT_AVRCP_STATUS_PLAY_REV_SEEK 0x04         
#define    BT_AVRCP_STATUS_PLAY_ERROR 0xFF            
typedef uint8_t bt_avrcp_status_t;  
#define BT_AVRCP_PDU_ID_GET_CAPABILITIES 0X10    
#define BT_AVRCP_PDU_ID_LIST_APP_SETTING_ATTRIBUTES 0X11    
#define BT_AVRCP_PDU_ID_GET_APP_SETTING_VALUE 0X13          
#define BT_AVRCP_PDU_ID_SET_APP_SETTING_VALUE 0X14          
#define BT_AVRCP_PDU_ID_GET_ELEMENT_ATTRIBUTES 0x20         
#define BT_AVRCP_PDU_ID_GET_PLAY_STATUS 0x30                
#define BT_AVRCP_PDU_ID_REGISTER_NOTIFICATION 0X31          
#define BT_AVRCP_PDU_ID_REQUEST_CONTINUING_RSP 0X40         
#define BT_AVRCP_PDU_ID_ABORT_CONTINUING_RSP  0X41          
#define BT_AVRCP_PDU_ID_SET_ABSOLUTE_VOLUME   0x50          
typedef uint8_t bt_avrcp_pdu_id_t;                          
#define BT_AVRCP_RESPONSE_NOT_IMPLEMENTED     0x08          
#define BT_AVRCP_RESPONSE_ACCEPTED            0x09          
#define BT_AVRCP_RESPONSE_REJECTED            0x0A          
#define BT_AVRCP_RESPONSE_CHANGED             0x0D          
#define BT_AVRCP_RESPONSE_INTERIM             0x0F          
typedef uint8_t bt_avrcp_response_t;

/* Notification */
#define    BT_AVRCP_EVENT_MEDIA_PLAY_STOPPED 0x00
#define    BT_AVRCP_EVENT_MEDIA_PLAYING 0x01
#define    BT_AVRCP_EVENT_MEDIA_PAUSED 0x02
#define    BT_AVRCP_EVENT_MEDIA_FWD_SEEK 0x03
#define    BT_AVRCP_EVENT_MEDIA_REV_SEEK 0x04
#define    BT_AVRCP_EVENT_MEDIA_ERROR 0xFF
typedef uint8_t bt_avrcp_media_play_status_event_t;  
/*4. Capabilities */
#define BT_AVRCP_CAPABILITY_COMPANY_ID 0x2
#define BT_AVRCP_CAPABILITY_EVENTS_SUPPORTED 0x3 /*Indicates the capability request from CT. */
typedef uint8_t bt_avrcp_capability_types_t;

#define BT_AVRCP_ELEMENT_ATTRIBUTE_MAX_DATA_SIZE 450

/* The maximum length of individual attribute content, including the maximum length of title, artist name, album name and genre.*/
#define BT_AVRCP_MAX_MEDIA_ATTRIBUTE_LEN 64

typedef struct {
    uint32_t role;
} bt_avrcp_init_struct;

typedef struct{
    uint32_t handle;                                        
}bt_avrcp_connect_cnf_t;

typedef struct{
    uint32_t handle;                                        
    bt_bd_addr_t *address;                                  
}bt_avrcp_connect_ind_t;


typedef bt_avrcp_connect_cnf_t bt_avrcp_disconnect_ind_t;

typedef struct{
    uint32_t handle;                                        
    bt_avrcp_operation_id_t op_id;                          
    bt_avrcp_operation_state_t op_state;                    
}bt_avrcp_pass_through_cnf_t;

typedef bt_avrcp_pass_through_cnf_t bt_avrcp_pass_through_command_ind_t;

BT_PACKED (
typedef struct{
    uint8_t attribute_id;                                   
})bt_avrcp_get_app_setting_value_t;

BT_PACKED (
typedef struct{
    uint8_t attribute_id;                                   
    uint8_t value_id;                                       
})bt_avrcp_app_setting_value_t;


BT_PACKED (
typedef struct{
    bt_avrcp_media_attribute_t attribute_id;                                  
})bt_avrcp_get_element_attributes_t;

BT_PACKED (
typedef struct{
    uint8_t attribute_id;                                   
})bt_avrcp_list_attributes_response_value_t;

typedef struct{
    uint32_t handle;                                                    
    bt_avrcp_metadata_packet_type_t  packet_type;                       
    uint16_t length;                                                    
    union {
        struct{
            uint8_t number;                                             
            bt_avrcp_list_attributes_response_value_t *attribute_list;  
        };
        uint8_t *data;                                                  
    };
}bt_avrcp_list_attruibutes_response_t;

typedef struct{
    uint32_t handle;                                        
    bt_avrcp_metadata_packet_type_t packet_type;            
    uint16_t length;                                        
    union {
        struct{
            uint8_t number;                                 
            bt_avrcp_app_setting_value_t *attribute_list;   
        };
        uint8_t *data;                                      
    };
}bt_avrcp_get_app_setting_value_response_t;

typedef struct{
    uint32_t handle;                                        
}bt_avrcp_set_app_setting_value_response_t;


typedef struct{
    uint32_t handle;                                        
    uint8_t number;                                        
    uint8_t data[1];                                        
}bt_avrcp_get_element_attribute_t;


/* @brief The struct of response values to get element attribute.
*/
BT_PACKED (
typedef struct{
    bt_avrcp_media_attribute_t attribute_id;                
    uint16_t character_set_id;                              
    uint16_t attribute_value_length;                        
    /* For big data PDUs: Metadata Attributes for Current Media Item and Player Application Settings.

    There are two options to create AVRCP data (PDU): bt_avrcp_media_attribute_t
    Either restrict attribute_value length to 64 bytes OR restrict total size of bt_avrcp_get_element_attributes_response_t to 512 bytes
    BT_AVRCP_MAX_PDU_LEN 512 //Total size
    BT_AVRCP_ELEMENT_ATTRIBUTE_MAX_DATA_SIZE 400 //Combined attribute size:Title, Artist name, Album name, Genre
    BT_AVRCP_MAX_MEDIA_ATTRIBUTE_LEN 64
    */
    /* The maximum AVRCP PDU length. */
    /* Fill BT_AVRCP_MEDIA_ATTRIBUTE_TITLE as first attribute in packet/data in attribute_value array. */

    uint8_t attribute_value[1]/*[8]*/;                              
})bt_avrcp_get_element_attributes_response_value_t;

typedef struct{
    uint32_t handle;                                                          
    bt_avrcp_metadata_packet_type_t packet_type;                                   
    uint16_t length;                                                          
    union{
        struct{
            uint8_t number;                                                   
            bt_avrcp_get_element_attributes_response_value_t *attribute_list;  
        };
        uint8_t *data;                                                        
    };
}bt_avrcp_get_element_attributes_response_t;


typedef struct{
    uint8_t number;                                         
    bt_avrcp_app_setting_value_t *attribute_list;           
}bt_avrcp_application_setting_changed_t;

typedef struct{
    uint32_t handle;                                        
    bt_avrcp_event_t event_id;                              
    union{
        bt_avrcp_application_setting_changed_t setting;     
        uint64_t id;                                        
        uint32_t playback_position;                         
        uint8_t status;                                     
        uint8_t volume;                                     
    };
}bt_avrcp_event_notification_t;

typedef struct{
    uint32_t handle;                                        
    bt_avrcp_event_t event_id;                              
    uint16_t parameter_length;                              
    uint8_t *parameters;                                    
}bt_avrcp_register_notification_commant_t;

typedef struct{
    uint32_t handle;                                        
}bt_avrcp_get_play_status_commant_t;


typedef struct{
    uint32_t handle;                                        
}bt_avrcp_abort_continuing_response_t;

typedef struct{
    uint32_t handle;                                        
    uint8_t  volume;                                        
}bt_avrcp_set_absolute_volume_response_t;

typedef bt_avrcp_set_absolute_volume_response_t bt_avrcp_set_absolute_volume_event_t;

typedef struct{
    uint32_t handle;                                        
    bt_status_t rejection_reason;                           
}bt_avrcp_metadata_error_response_t;

typedef struct{
    bt_avrcp_response_t response_type;                      
    uint16_t parameter_length;                              
    bt_avrcp_event_t event_id;                              
    union{
        bt_avrcp_application_setting_changed_t setting;     
        uint64_t id;                                        
        uint32_t playback_position;                         
        bt_avrcp_status_t status;                           
        uint8_t volume;                                     
    };
}bt_avrcp_send_register_notification_response_t;


typedef struct {
    uint32_t song_length;
    uint32_t song_position;
    uint8_t bt_avrcp_media_play_status_event_t;
}bt_avrcp_media_play_status_notification_t;


typedef struct{
    uint32_t handle;                                                    
    uint16_t length;                                                    
    union {
        struct{
            uint8_t number;                                             
            bt_avrcp_event_t *attribute_list;                           
        };
        uint8_t *data;                                                  
                                                                              
    };
}bt_avrcp_capability_attributes_response_t;


bt_status_t bt_avrcp_connect(uint32_t *handle, const bt_bd_addr_t *address);

bt_status_t bt_avrcp_connect_response(uint32_t handle, bool accept);

bt_status_t bt_avrcp_disconnect(uint32_t handle);

bt_status_t bt_avrcp_send_pass_through_command(uint32_t handle, bt_avrcp_operation_id_t op_id, bt_avrcp_operation_state_t op_state);

bt_status_t bt_avrcp_send_pass_through_response(uint32_t handle, bt_avrcp_response_t response, bt_avrcp_operation_id_t op_id, bt_avrcp_operation_state_t op_state);

bt_status_t bt_avrcp_list_app_setting_attributes(uint32_t handle);

bt_status_t bt_avrcp_get_app_setting_value(uint32_t handle, uint16_t attribute_size, bt_avrcp_get_app_setting_value_t *attribute_list);
bt_status_t bt_avrcp_set_app_setting_value(uint32_t handle, uint16_t attribute_size, bt_avrcp_app_setting_value_t *attribute_value_list);

bt_status_t bt_avrcp_get_element_attributes(uint32_t handle, uint16_t attribute_size, bt_avrcp_get_element_attributes_t *attribute_list);
bt_status_t bt_avrcp_register_notification(uint32_t handle, bt_avrcp_event_t event_id, uint32_t play_back_interval);
bt_status_t bt_avrcp_request_continuing_response(uint32_t handle, bt_avrcp_pdu_id_t pdu_id);


bt_status_t bt_avrcp_abort_continuing_response(uint32_t handle, bt_avrcp_pdu_id_t pdu_id);


bt_status_t bt_avrcp_set_absolute_volume(uint32_t handle, uint8_t volume);


bt_status_t bt_avrcp_send_set_absoulte_volume_response(uint32_t handle, uint8_t volume);


bt_status_t bt_avrcp_send_register_notification_response(uint32_t handle, bt_avrcp_send_register_notification_response_t *rsp_data);



/******************************************************** TG ***************************************************************************/

void bt_avrcp_init(bt_avrcp_init_struct* bt_role);

void bt_avrcp_deinit(void);

bt_status_t bt_avrcp_media_send_play_status_response(uint32_t handle, bt_avrcp_media_play_status_notification_t *data);


bt_status_t bt_avrcp_send_abort_data_response(uint32_t handle);


 bt_status_t
 bt_avrcp_element_metadata_attributes_response(uint32_t handle, bt_avrcp_get_element_attributes_response_t *rsp_data);


bt_status_t bt_avrcp_send_capability_response(uint32_t handle, void* response_data_t, bt_avrcp_capability_types_t type);



BT_EXTERN_C_END

#endif