bt_avrcp.h

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/****************************************************************************
 * modules/include/bluetooth/bt_avrcp.h
 *
 *   Copyright 2018 Sony Semiconductor Solutions Corporation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of Sony Semiconductor Solutions Corporation nor
 *    the names of its contributors may be used to endorse or promote
 *    products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/
 
#ifndef __MODULES_INCLUDE_BLUETOOTH_BT_AVRCP_H
#define __MODULES_INCLUDE_BLUETOOTH_BT_AVRCP_H
 
/****************************************************************************
 * Included Files
 ****************************************************************************/
 
#include <stdint.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/bt_avrcp_cmds.h>
#include <bluetooth/bt_common.h>
 
/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/
 
/****************************************************************************
 * Public Types
 ****************************************************************************/
 
typedef enum
{
    BT_AVRCP_CONTROLLER  = 0, 
    BT_AVRCP_TARGET      = 1  
} BT_AVRCP_ROLE;
 
typedef struct avrcTrackInfo {
    BT_ADDR addr;           
    uint8_t attrId;         
    uint16_t attrLen;       
    uint8_t attrValue[48];  
} BT_AVRC_TRACK_INFO;
 
struct bt_avrcp_notify_ops_s
{
  void (*playStatusChange)(BT_AVRC_TRACK_INFO *trackInfo);  
  void (*trackChange)(BT_AVRC_TRACK_INFO *trackInfo);       
  void (*trackReachedEnd)(uint8_t *pdata, int len);         
  void (*trackReachedStart)(uint8_t *pdata, int len);       
  void (*playPosChanged)(uint8_t *pdata, int len);          
  void (*batteryStatusChange)(uint8_t *pdata, int len);     
  void (*systemStatusChange)(uint8_t *pdata, int len);      
  void (*appSettingChange)(uint8_t *pdata, int len);        
  void (*nowPlayingChange)(uint8_t *pdata, int len);        
  void (*avalPlayerChange)(uint8_t *pdata, int len);        
  void (*addrPlayChange)(uint8_t *pdata, int len);          
  void (*uidsChange)(uint8_t *pdata, int len);              
  void (*volumeChange)(uint8_t *pdata, int len);            
};
 
struct bt_avrcp_ops_s
{
  void (*command_status)(BT_CMD_STATUS status);                                
  void (*connect)(struct bt_acl_state_s *bt_acl_state, BT_AVRCP_ROLE role);    
  void (*disconnect)(struct bt_acl_state_s *bt_acl_state, BT_AVRCP_ROLE role); 
};
 
struct bt_avrcp_state_s
{
  BT_CONNECT_STATUS            bt_avrcc_connection;  
  BT_CONNECT_STATUS            bt_avrct_connection;  
  uint16_t                     bt_avrcc_handle;      
  uint16_t                     bt_avrct_handle;      
  struct bt_acl_state_s        *bt_acl_state;        
  struct bt_hal_avrcp_ops_s    *bt_hal_avrcp_ops;    
  struct bt_avrcp_ops_s        *bt_avrcp_ops;        
  struct bt_avrcp_notify_ops_s *bt_avrcp_notify_ops; 
};
 
/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/
 
bool bt_avrcp_is_supported(void);
 
int bt_avrcp_connect(struct bt_acl_state_s *bt_acl_state);
 
int bt_avrcp_disconnect(struct bt_acl_state_s *bt_acl_state);
 
int bt_avrcp_send_command(struct bt_acl_state_s *bt_acl_state, BT_AVRCP_CMD_ID cmd_id, bool press);
 
int bt_register_notification(struct bt_avrcp_notify_ops_s *bt_avrcp_notify_ops);
 
int bt_avrcp_register_cb(struct bt_avrcp_ops_s *bt_avrcp_ops);
 
#endif /* __MODULES_INCLUDE_BLUETOOTH_BT_AVRCP_H */