xref: /external/bluetooth/bluedroid/bta/include/bta_gatt_api.h

/******************************************************************************
 *
 *  Copyright (C) 2003-2013 Broadcom Corporation
 *
 *  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.
 *
 ******************************************************************************/

/******************************************************************************
 *
 *  This is the public interface file for BTA GATT.
 *
 ******************************************************************************/

#ifndef BTA_GATT_API_H
#define BTA_GATT_API_H

#include "bta_api.h"
#include "gatt_api.h"

#ifndef     BTA_GATT_INCLUDED
#define     BTA_GATT_INCLUDED     FALSE
#endif


#if ((BLE_INCLUDED == FALSE) && (BTA_GATT_INCLUDED == TRUE))
#undef BTA_GATT_INCLUDED
#define BTA_GATT_INCLUDED        FALSE
#endif


#ifndef     BTA_GATT_DEBUG
#define     BTA_GATT_DEBUG       FALSE
#endif

/*****************************************************************************
**  Constants and data types
*****************************************************************************/
/**************************
**  Common Definitions
***************************/
/* GATT ID */
typedef struct
{
    tBT_UUID    uuid;           /* uuid of the attribute */
    UINT8       inst_id;        /* instance ID */
} __attribute__((packed)) tBTA_GATT_ID;

/* Success code and error codes */
#define  BTA_GATT_OK                        GATT_SUCCESS
#define  BTA_GATT_INVALID_HANDLE            GATT_INVALID_HANDLE                /* 0x0001 */
#define  BTA_GATT_READ_NOT_PERMIT           GATT_READ_NOT_PERMIT               /* 0x0002 */
#define  BTA_GATT_WRITE_NOT_PERMIT          GATT_WRITE_NOT_PERMIT              /* 0x0003 */
#define  BTA_GATT_INVALID_PDU               GATT_INVALID_PDU                   /* 0x0004 */
#define  BTA_GATT_INSUF_AUTHENTICATION      GATT_INSUF_AUTHENTICATION          /* 0x0005 */
#define  BTA_GATT_REQ_NOT_SUPPORTED         GATT_REQ_NOT_SUPPORTED             /* 0x0006 */
#define  BTA_GATT_INVALID_OFFSET            GATT_INVALID_OFFSET                /* 0x0007 */
#define  BTA_GATT_INSUF_AUTHORIZATION       GATT_INSUF_AUTHORIZATION           /* 0x0008 */
#define  BTA_GATT_PREPARE_Q_FULL            GATT_PREPARE_Q_FULL                /* 0x0009 */
#define  BTA_GATT_NOT_FOUND                 GATT_NOT_FOUND                     /* 0x000a */
#define  BTA_GATT_NOT_LONG                  GATT_NOT_LONG                      /* 0x000b */
#define  BTA_GATT_INSUF_KEY_SIZE            GATT_INSUF_KEY_SIZE                /* 0x000c */
#define  BTA_GATT_INVALID_ATTR_LEN          GATT_INVALID_ATTR_LEN              /* 0x000d */
#define  BTA_GATT_ERR_UNLIKELY              GATT_ERR_UNLIKELY                  /* 0x000e */
#define  BTA_GATT_INSUF_ENCRYPTION          GATT_INSUF_ENCRYPTION              /* 0x000f */
#define  BTA_GATT_UNSUPPORT_GRP_TYPE        GATT_UNSUPPORT_GRP_TYPE            /* 0x0010 */
#define  BTA_GATT_INSUF_RESOURCE            GATT_INSUF_RESOURCE                /* 0x0011 */


#define  BTA_GATT_ILLEGAL_PARAMETER         GATT_ILLEGAL_PARAMETER             /* 0x0087 */
#define  BTA_GATT_NO_RESOURCES              GATT_NO_RESOURCES                  /* 0x0080 */
#define  BTA_GATT_INTERNAL_ERROR            GATT_INTERNAL_ERROR                /* 0x0081 */
#define  BTA_GATT_WRONG_STATE               GATT_WRONG_STATE                   /* 0x0082 */
#define  BTA_GATT_DB_FULL                   GATT_DB_FULL                       /* 0x0083 */
#define  BTA_GATT_BUSY                      GATT_BUSY                          /* 0x0084 */
#define  BTA_GATT_ERROR                     GATT_ERROR                         /* 0x0085 */
#define  BTA_GATT_CMD_STARTED               GATT_CMD_STARTED                   /* 0x0086 */
#define  BTA_GATT_PENDING                   GATT_PENDING                       /* 0x0088 */
#define  BTA_GATT_AUTH_FAIL                 GATT_AUTH_FAIL                     /* 0x0089 */
#define  BTA_GATT_MORE                      GATT_MORE                          /* 0x008a */
#define  BTA_GATT_INVALID_CFG               GATT_INVALID_CFG                   /* 0x008b */
#define  BTA_GATT_DUP_REG                   0x008c
#define  BTA_GATT_ALREADY_OPEN              0x008d                              /* 0x008d */
#define  BTA_GATT_CANCEL                    0x008e                              /* 0x008e */
typedef UINT8 tBTA_GATT_STATUS;

#define BTA_GATT_INVALID_CONN_ID   GATT_INVALID_CONN_ID


/* Client callback function events */
#define BTA_GATTC_REG_EVT           0   /* GATT client is registered. */
#define BTA_GATTC_DEREG_EVT         1   /* GATT client deregistered event */
#define BTA_GATTC_OPEN_EVT          2   /* GATTC open request status  event */
#define BTA_GATTC_READ_CHAR_EVT     3   /* GATT read characteristic event */
#define BTA_GATTC_WRITE_CHAR_EVT    4   /* GATT write characteristic or char descriptor event */
#define BTA_GATTC_CLOSE_EVT         5   /* GATTC  close request status event */
#define BTA_GATTC_SEARCH_CMPL_EVT   6   /* GATT discovery complete event */
#define BTA_GATTC_SEARCH_RES_EVT    7   /* GATT discovery result event */
#define BTA_GATTC_READ_DESCR_EVT    8   /* GATT read characterisitc descriptor event */
#define BTA_GATTC_WRITE_DESCR_EVT   9   /* GATT write characteristic descriptor event */
#define BTA_GATTC_NOTIF_EVT         10  /* GATT attribute notification event */
#define BTA_GATTC_PREP_WRITE_EVT    11  /* GATT prepare write  event */
#define BTA_GATTC_EXEC_EVT          12  /* execute write complete event */
#define BTA_GATTC_ACL_EVT           13  /* ACL up event */
#define BTA_GATTC_CANCEL_OPEN_EVT   14  /* cancel open event */
#define BTA_GATTC_SRVC_CHG_EVT      15  /* service change event */

typedef UINT8 tBTA_GATTC_EVT;

typedef tGATT_IF tBTA_GATTC_IF;

typedef struct
{
    UINT16              unit;       /* as UUIUD defined by SIG */
    UINT16              descr;       /* as UUID as defined by SIG */
    tGATT_FORMAT        format;
    INT8                exp;
    UINT8               name_spc;   /* The name space of the description */
}tBTA_GATT_CHAR_PRES;

#define BTA_GATT_CLT_CONFIG_NONE               GATT_CLT_CONFIG_NONE         /* 0x0000    */
#define BTA_GATT_CLT_CONFIG_NOTIFICATION       GATT_CLT_CONFIG_NOTIFICATION /* 0x0001 */
#define BTA_GATT_CLT_CONFIG_INDICATION         GATT_CLT_CONFIG_INDICATION   /* 0x0002 */
typedef UINT16  tBTA_GATT_CLT_CHAR_CONFIG;

/* characteristic descriptor: server configuration value
*/
#define BTA_GATT_SVR_CONFIG_NONE            GATT_SVR_CONFIG_NONE            /* 0x0000 */
#define BTA_GATT_SVR_CONFIG_BROADCAST       GATT_SVR_CONFIG_BROADCAST       /*  0x0001 */
typedef UINT16  tBTA_GATT_SVR_CHAR_CONFIG;

/* Characteristic Aggregate Format attribute value
*/
#define BTA_GATT_AGGR_HANDLE_NUM_MAX        10
typedef struct
{
    UINT8                   num_handle;
    UINT16                  handle_list[BTA_GATT_AGGR_HANDLE_NUM_MAX];
} tBTA_GATT_CHAR_AGGRE;
typedef tGATT_VALID_RANGE           tBTA_GATT_VALID_RANGE;

typedef struct
{
    UINT16  len;
    UINT8   *p_value;
}tBTA_GATT_UNFMT;

#define BTA_GATT_MAX_ATTR_LEN       GATT_MAX_ATTR_LEN

#define BTA_GATTC_TYPE_WRITE             GATT_WRITE
#define BTA_GATTC_TYPE_WRITE_NO_RSP      GATT_WRITE_NO_RSP
typedef UINT8 tBTA_GATTC_WRITE_TYPE;

#define BTA_GATT_CONN_UNKNOWN                   0
#define BTA_GATT_CONN_NO_RESOURCES              GATT_CONN_NO_RESOURCES        /* connection fail for l2cap resource failure */
#define BTA_GATT_CONN_TIMEOUT                   GATT_CONN_TIMEOUT             /* 0x08 connection timeout  */
#define BTA_GATT_CONN_TERMINATE_PEER_USER       GATT_CONN_TERMINATE_PEER_USER /* 0x13 connection terminate by peer user  */
#define BTA_GATT_CONN_TERMINATE_LOCAL_HOST      GATT_CONN_TERMINATE_LOCAL_HOST/* 0x16 connectionterminated by local host  */
#define BTA_GATT_CONN_FAIL_ESTABLISH            GATT_CONN_FAIL_ESTABLISH      /* 0x03E connection fail to establish  */
#define BTA_GATT_CONN_LMP_TIMEOUT               GATT_CONN_LMP_TIMEOUT          /* 0x22 connection fail for LMP response tout */
#define BTA_GATT_CONN_CANCEL                    GATT_CONN_CANCEL               /* 0x0100 L2CAP connection cancelled  */
#define BTA_GATT_CONN_NONE                      0x0101                          /* 0x0101 no connection to cancel  */
typedef UINT16 tBTA_GATT_REASON;

typedef struct
{
    tBTA_GATT_ID        id;
    BOOLEAN             is_primary;
}tBTA_GATT_SRVC_ID;

typedef struct
{
    tBTA_GATT_SRVC_ID       srvc_id;
    tBTA_GATT_ID            char_id;
}tBTA_GATTC_CHAR_ID;

typedef struct
{
    tBTA_GATTC_CHAR_ID      char_id;
    tBT_UUID                descr_type;
}tBTA_GATTC_CHAR_DESCR_ID;

typedef struct
{
    tBTA_GATT_SRVC_ID       srvc_id;
    tBTA_GATT_SRVC_ID       incl_svc_id;
}tBTA_GATTC_INCL_SVC_ID;

#define     BTA_GATT_TYPE_CHAR          0
#define     BTA_GATT_TYPE_CHAR_DESCR    1
typedef UINT8 tBTA_GATT_ID_TYPE;

typedef struct
{
    tBTA_GATT_ID_TYPE               id_type;
    union
    {
        tBTA_GATTC_CHAR_ID         char_id;
        tBTA_GATTC_CHAR_DESCR_ID   char_descr_id;

    }                       id_value;
}tBTA_GATTC_ATTR_ID;

#define BTA_GATTC_MULTI_MAX    GATT_MAX_READ_MULTI_HANDLES

typedef struct
{
    UINT8                       num_attr;
    tBTA_GATTC_ATTR_ID          id_list[BTA_GATTC_MULTI_MAX];

}tBTA_GATTC_MULTI;

#define BTA_GATT_AUTH_REQ_NONE           GATT_AUTH_REQ_NONE
#define BTA_GATT_AUTH_REQ_NO_MITM        GATT_AUTH_REQ_NO_MITM            /* unauthenticated encryption */
#define BTA_GATT_AUTH_REQ_MITM           GATT_AUTH_REQ_MITM               /* authenticated encryption */
#define BTA_GATT_AUTH_REQ_SIGNED_NO_MITM GATT_AUTH_REQ_SIGNED_NO_MITM
#define BTA_GATT_AUTH_REQ_SIGNED_MITM    GATT_AUTH_REQ_SIGNED_MITM

typedef tGATT_AUTH_REQ tBTA_GATT_AUTH_REQ;

enum
{
    BTA_GATTC_ATTR_TYPE_INCL_SRVC,
    BTA_GATTC_ATTR_TYPE_CHAR,
    BTA_GATTC_ATTR_TYPE_CHAR_DESCR,
    BTA_GATTC_ATTR_TYPE_SRVC
};
typedef UINT8 tBTA_GATTC_ATTR_TYPE;


typedef struct
{
    tBT_UUID    uuid;
    UINT16      s_handle;
    UINT16      e_handle;   /* used for service only */
    UINT8       attr_type;
    UINT8       id;
    UINT8       prop;       /* used when attribute type is characteristic */
    BOOLEAN     is_primary; /* used when attribute type is service */
}tBTA_GATTC_NV_ATTR;

/* callback data structure */
typedef struct
{
    tBTA_GATT_STATUS    status;
    tBTA_GATTC_IF       client_if;
// btla-specific ++
    tBT_UUID            app_uuid;
// btla-specific --
}tBTA_GATTC_REG;

typedef struct
{
    UINT8                       num_pres_fmt;   /* number of presentation format aggregated*/
    tBTA_GATTC_CHAR_DESCR_ID    pre_format[BTA_GATTC_MULTI_MAX];
}tBTA_GATT_CHAR_AGGRE_VALUE;

typedef union
{
    tBTA_GATT_CHAR_AGGRE_VALUE      aggre_value;
    tBTA_GATT_UNFMT                 unformat;

}tBTA_GATT_READ_VAL;

typedef struct
{
    UINT16              conn_id;
    tBTA_GATT_STATUS    status;
    tBTA_GATT_SRVC_ID   srvc_id;
    tBTA_GATT_ID        char_id;
    tBT_UUID            descr_type;
    tBTA_GATT_READ_VAL  *p_value;
}tBTA_GATTC_READ;

typedef struct
{
    UINT16              conn_id;
    tBTA_GATT_STATUS    status;
    tBTA_GATT_SRVC_ID   srvc_id;
    tBTA_GATT_ID        char_id;
    tBT_UUID            descr_type;
}tBTA_GATTC_WRITE;

typedef struct
{
    UINT16              conn_id;
    tBTA_GATT_STATUS    status;
}tBTA_GATTC_EXEC_CMPL;

typedef struct
{
    UINT16              conn_id;
    tBTA_GATT_STATUS    status;
}tBTA_GATTC_SEARCH_CMPL;

typedef struct
{
    UINT16              conn_id;
    tBTA_GATT_SRVC_ID   service_uuid;
}tBTA_GATTC_SRVC_RES;


typedef struct
{
    tBTA_GATT_STATUS    status;
    UINT16              conn_id;
    tBTA_GATTC_IF       client_if;
    BD_ADDR             remote_bda;
}tBTA_GATTC_OPEN;

typedef struct
{
    tBTA_GATT_STATUS    status;
    UINT16              conn_id;
    tBTA_GATTC_IF       client_if;
    BD_ADDR             remote_bda;
    tBTA_GATT_REASON    reason;         /* disconnect reason code, not useful when connect event is reported */
}tBTA_GATTC_CLOSE;

typedef struct
{
    UINT16              conn_id;
    BD_ADDR             bda;
    tBTA_GATTC_CHAR_ID  char_id;
    tBT_UUID            descr_type;
    UINT16              len;
    UINT8               value[BTA_GATT_MAX_ATTR_LEN];
    BOOLEAN             is_notify;
}tBTA_GATTC_NOTIFY;

// btla-specific ++
typedef struct
{
    tBTA_GATT_STATUS        status;
    tBTA_GATTC_IF           client_if;
    UINT16                  conn_id;
    BD_ADDR                 remote_bda;
}tBTA_GATTC_OPEN_CLOSE;
// btla-specific --

typedef union
{
    tBTA_GATT_STATUS        status;

    tBTA_GATTC_SEARCH_CMPL  search_cmpl;          /* discovery complete */
    tBTA_GATTC_SRVC_RES     srvc_res;          /* discovery result */
    tBTA_GATTC_REG          reg_oper;              /* registration data */
    tBTA_GATTC_OPEN         open;
    tBTA_GATTC_CLOSE        close;
    tBTA_GATTC_READ         read;             /* read attribute/descriptor data */
    tBTA_GATTC_WRITE        write;            /* write complete data */
    tBTA_GATTC_EXEC_CMPL    exec_cmpl;       /*  execute complete */
    tBTA_GATTC_NOTIFY       notify;           /* notification/indication event data */
    BD_ADDR                 remote_bda;     /* service change event */
} tBTA_GATTC;

/* GATTC enable callback function */
typedef void (tBTA_GATTC_ENB_CBACK)(tBTA_GATT_STATUS status);

/* Client callback function */
typedef void (tBTA_GATTC_CBACK)(tBTA_GATTC_EVT event, tBTA_GATTC *p_data);


/* GATT Server Data Structure */
/* Server callback function events */
#define BTA_GATTS_REG_EVT                               0
#define BTA_GATTS_READ_EVT                              GATTS_REQ_TYPE_READ         /* 1 */
#define BTA_GATTS_WRITE_EVT                             GATTS_REQ_TYPE_WRITE        /* 2 */
#define BTA_GATTS_EXEC_WRITE_EVT                        GATTS_REQ_TYPE_WRITE_EXEC   /* 3 */
#define BTA_GATTS_MTU_EVT                               GATTS_REQ_TYPE_MTU          /* 4 */
#define BTA_GATTS_CONF_EVT                              GATTS_REQ_TYPE_CONF         /* 5 */
#define BTA_GATTS_DEREG_EVT                             6
#define BTA_GATTS_CREATE_EVT                            7
#define BTA_GATTS_ADD_INCL_SRVC_EVT                     8
#define BTA_GATTS_ADD_CHAR_EVT                          9
#define BTA_GATTS_ADD_CHAR_DESCR_EVT                    10
#define BTA_GATTS_DELELTE_EVT                           11
#define BTA_GATTS_START_EVT                             12
#define BTA_GATTS_STOP_EVT                              13
#define BTA_GATTS_CONNECT_EVT                           14
#define BTA_GATTS_DISCONNECT_EVT                        15
#define BTA_GATTS_OPEN_EVT                              16
#define BTA_GATTS_CANCEL_OPEN_EVT                       17
#define BTA_GATTS_CLOSE_EVT                             18

typedef UINT8  tBTA_GATTS_EVT;
typedef tGATT_IF tBTA_GATTS_IF;

/* Attribute permissions
*/
#define BTA_GATT_PERM_READ              GATT_PERM_READ              /* bit 0 -  0x0001 */
#define BTA_GATT_PERM_READ_ENCRYPTED    GATT_PERM_READ_ENCRYPTED    /* bit 1 -  0x0002 */
#define BTA_GATT_PERM_READ_ENC_MITM     GATT_PERM_READ_ENC_MITM     /* bit 2 -  0x0004 */
#define BTA_GATT_PERM_WRITE             GATT_PERM_WRITE             /* bit 4 -  0x0010 */
#define BTA_GATT_PERM_WRITE_ENCRYPTED   GATT_PERM_WRITE_ENCRYPTED   /* bit 5 -  0x0020 */
#define BTA_GATT_PERM_WRITE_ENC_MITM    GATT_PERM_WRITE_ENC_MITM    /* bit 6 -  0x0040 */
#define BTA_GATT_PERM_WRITE_SIGNED      GATT_PERM_WRITE_SIGNED      /* bit 7 -  0x0080 */
#define BTA_GATT_PERM_WRITE_SIGNED_MITM GATT_PERM_WRITE_SIGNED_MITM /* bit 8 -  0x0100 */
typedef UINT16 tBTA_GATT_PERM;

#define BTA_GATTS_INVALID_APP   0xff

#define BTA_GATTS_INVALID_IF    0

/* definition of characteristic properties */
#define BTA_GATT_CHAR_PROP_BIT_BROADCAST    GATT_CHAR_PROP_BIT_BROADCAST    /* 0x01 */
#define BTA_GATT_CHAR_PROP_BIT_READ         GATT_CHAR_PROP_BIT_READ    /* 0x02 */
#define BTA_GATT_CHAR_PROP_BIT_WRITE_NR     GATT_CHAR_PROP_BIT_WRITE_NR    /* 0x04 */
#define BTA_GATT_CHAR_PROP_BIT_WRITE        GATT_CHAR_PROP_BIT_WRITE       /* 0x08 */
#define BTA_GATT_CHAR_PROP_BIT_NOTIFY       GATT_CHAR_PROP_BIT_NOTIFY      /* 0x10 */
#define BTA_GATT_CHAR_PROP_BIT_INDICATE     GATT_CHAR_PROP_BIT_INDICATE    /* 0x20 */
#define BTA_GATT_CHAR_PROP_BIT_AUTH         GATT_CHAR_PROP_BIT_AUTH        /* 0x40 */
#define BTA_GATT_CHAR_PROP_BIT_EXT_PROP     GATT_CHAR_PROP_BIT_EXT_PROP    /* 0x80 */
typedef UINT8 tBTA_GATT_CHAR_PROP;

#ifndef BTA_GATTC_CHAR_DESCR_MAX
#define BTA_GATTC_CHAR_DESCR_MAX        7
#endif

/***********************  NV callback Data Definitions   **********************
*/
typedef struct
{
    tBT_UUID app_uuid128;
    tBT_UUID svc_uuid;
    UINT16   svc_inst;
    UINT16   s_handle;
    UINT16   e_handle;
    BOOLEAN  is_primary;      /* primary service or secondary */
} tBTA_GATTS_HNDL_RANGE;

#define BTA_GATTS_SRV_CHG_CMD_ADD_CLIENT       GATTS_SRV_CHG_CMD_ADD_CLIENT
#define BTA_GATTS_SRV_CHG_CMD_UPDATE_CLIENT    GATTS_SRV_CHG_CMD_UPDATE_CLIENT
#define BTA_GATTS_SRV_CHG_CMD_REMOVE_CLIENT    GATTS_SRV_CHG_CMD_REMOVE_CLIENT
#define BTA_GATTS_SRV_CHG_CMD_READ_NUM_CLENTS  GATTS_SRV_CHG_CMD_READ_NUM_CLENTS
#define BTA_GATTS_SRV_CHG_CMD_READ_CLENT       GATTS_SRV_CHG_CMD_READ_CLENT
typedef tGATTS_SRV_CHG_CMD tBTA_GATTS_SRV_CHG_CMD;

typedef tGATTS_SRV_CHG     tBTA_GATTS_SRV_CHG;
typedef tGATTS_SRV_CHG_REQ tBTA_GATTS_SRV_CHG_REQ;
typedef tGATTS_SRV_CHG_RSP tBTA_GATTS_SRV_CHG_RSP;

enum
{
    BTA_GATT_TRANSPORT_LE,
    BTA_GATT_TRANSPORT_BR_EDR,
    BTA_GATT_TRANSPORT_LE_BR_EDR
};
typedef UINT8 tBTA_GATT_TRANSPORT;

/* attribute value */
typedef tGATT_VALUE tBTA_GATT_VALUE;

/* attribute response data */
typedef tGATTS_RSP tBTA_GATTS_RSP;

/* attribute request data from the client */
#define BTA_GATT_PREP_WRITE_CANCEL   0x00
#define BTA_GATT_PREP_WRITE_EXEC     0x01
typedef tGATT_EXEC_FLAG tBTA_GATT_EXEC_FLAG;

/* read request always based on UUID */
typedef tGATT_READ_REQ tTA_GBATT_READ_REQ;

/* write request data */
typedef tGATT_WRITE_REQ tBTA_GATT_WRITE_REQ;

/* callback data for server access request from client */
typedef tGATTS_DATA tBTA_GATTS_REQ_DATA;

typedef struct
{
    BD_ADDR             remote_bda;
    UINT32              trans_id;
    UINT16              conn_id;
    tBTA_GATTS_REQ_DATA *p_data;
}tBTA_GATTS_REQ;

typedef struct
{
    tBTA_GATTS_IF       server_if;
    tBTA_GATT_STATUS    status;
// btla-specific ++
    tBT_UUID            uuid;
// btla-specific --
}tBTA_GATTS_REG_OPER;


typedef struct
{
    tBTA_GATTS_IF       server_if;
    UINT16              service_id;
// btla-specific ++
    UINT16              svc_instance;
    BOOLEAN             is_primary;
    tBTA_GATT_STATUS    status;
    tBT_UUID            uuid;
// btla-specific --
}tBTA_GATTS_CREATE;

typedef struct
{
    tBTA_GATTS_IF       server_if;
    UINT16              service_id;
    UINT16              attr_id;
    tBTA_GATT_STATUS    status;
// btla-specific ++
    tBT_UUID            char_uuid;
// btla-specific --
}tBTA_GATTS_ADD_RESULT;

typedef struct
{
    tBTA_GATTS_IF       server_if;
    UINT16              service_id;
    tBTA_GATT_STATUS    status;
}tBTA_GATTS_SRVC_OPER;


typedef struct
{
    tBTA_GATTS_IF       server_if;
    BD_ADDR             remote_bda;
    UINT16              conn_id;
    tBTA_GATT_REASON    reason; /* report disconnect reason */
}tBTA_GATTS_CONN;

/* GATTS callback data */
typedef union
{
    tBTA_GATTS_REG_OPER     reg_oper;
    tBTA_GATTS_CREATE       create;
    tBTA_GATTS_SRVC_OPER    srvc_oper;
    tBTA_GATT_STATUS        status; /*  BTA_GATTS_CONF_EVT */
    tBTA_GATTS_ADD_RESULT   add_result;  /* add included service: BTA_GATTS_ADD_INCL_SRVC_EVT
                                           add char : BTA_GATTS_ADD_CHAR_EVT
                                           add char descriptor: BTA_GATTS_ADD_CHAR_DESCR_EVT */
    tBTA_GATTS_REQ          req_data;
    tBTA_GATTS_CONN         conn;       /* BTA_GATTS_CONN_EVT */

}tBTA_GATTS;

/* GATTS enable callback function */
typedef void (tBTA_GATTS_ENB_CBACK)(tBTA_GATT_STATUS status);

/* Server callback function */
typedef void (tBTA_GATTS_CBACK)(tBTA_GATTS_EVT event,  tBTA_GATTS *p_data);

/*****************************************************************************
**  External Function Declarations
*****************************************************************************/

#ifdef __cplusplus
extern "C"
{
#endif

/**************************
**  Client Functions
***************************/

/*******************************************************************************
**
** Function         BTA_GATTC_Disable
**
** Description      This function is called to disable the GATTC module
**
** Parameters       None.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_Disable(void);

/*******************************************************************************
**
** Function         BTA_GATTC_AppRegister
**
** Description      This function is called to register application callbacks
**                    with BTA GATTC module.
**
** Parameters       p_app_uuid - applicaiton UUID
**                  p_client_cb - pointer to the application callback function.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_AppRegister(tBT_UUID *p_app_uuid, tBTA_GATTC_CBACK *p_client_cb);

/*******************************************************************************
**
** Function         BTA_GATTC_AppDeregister
**
** Description      This function is called to deregister an application
**                  from BTA GATTC module.
**
** Parameters       client_if - client interface identifier.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_AppDeregister (tBTA_GATTC_IF client_if);

/*******************************************************************************
**
** Function         BTA_GATTC_Open
**
** Description      Open a direct connection or add a background auto connection
**                  bd address
**
** Parameters       client_if: server interface.
**                  remote_bda: remote device BD address.
**                  is_direct: direct connection or background auto connection
**
** Returns          void
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_Open(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, BOOLEAN is_direct);

/*******************************************************************************
**
** Function         BTA_GATTC_CancelOpen
**
** Description      Open a direct connection or add a background auto connection
**                  bd address
**
** Parameters       client_if: server interface.
**                  remote_bda: remote device BD address.
**                  is_direct: direct connection or background auto connection
**
** Returns          void
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_CancelOpen(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, BOOLEAN is_direct);

/*******************************************************************************
**
** Function         BTA_GATTC_Close
**
** Description      Close a connection to a GATT server.
**
** Parameters       conn_id: connectino ID to be closed.
**
** Returns          void
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_Close(UINT16 conn_id);

/*******************************************************************************
**
** Function         BTA_GATTC_ServiceSearchRequest
**
** Description      This function is called to request a GATT service discovery
**                    on a GATT server. This function report service search result
**                  by a callback event, and followed by a service search complete
**                  event.
**
** Parameters       conn_id: connection ID.
**                  p_srvc_uuid: a UUID of the service application is interested in.
**                              If Null, discover for all services.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_ServiceSearchRequest(UINT16 conn_id, tBT_UUID *p_srvc_uuid);

/*******************************************************************************
**
** Function         BTA_GATTC_GetFirstChar
**
** Description      This function is called to find the first charatceristic of the
**                  service on the given server.
**
** Parameters       conn_id: connection ID which identify the server.
**                  p_srvc_id: the service ID of which the characteristic is belonged to.
**                  p_char_uuid_cond: Characteristic UUID, if NULL find the first available
**                               characteristic.
**                  p_char_result: output parameter which will store the GATT
**                                  characteristic ID.
**                  p_property: output parameter to carry the characteristic property.
**
** Returns          returns status.
**
*******************************************************************************/
BTA_API extern tBTA_GATT_STATUS  BTA_GATTC_GetFirstChar (UINT16              conn_id,
                                                         tBTA_GATT_SRVC_ID   *p_srvc_id,
                                                         tBT_UUID            *p_char_uuid_cond,
                                                         tBTA_GATTC_CHAR_ID  *p_char_result,
                                                         tBTA_GATT_CHAR_PROP *p_property);

/*******************************************************************************
**
** Function         BTA_GATTC_GetNextChar
**
** Description      This function is called to find the next charatceristic of the
**                  service on the given server.
**
** Parameters       conn_id: connection ID which identify the server.
**                  p_start_char_id: start the characteristic search from the next record
**                           after the one identified by char_id.
**                  p_char_uuid_cond: Characteristic UUID, if NULL find the first available
**                               characteristic.
**                  p_char_result: output parameter which will store the GATT
**                                  characteristic ID.
**                  p_property: output parameter, characteristic property.
**
** Returns          returns status.
**
*******************************************************************************/
BTA_API extern tBTA_GATT_STATUS  BTA_GATTC_GetNextChar (UINT16 conn_id,
                                                        tBTA_GATTC_CHAR_ID  *p_start_char_id,
                                                        tBT_UUID            *p_char_uuid_cond,
                                                        tBTA_GATTC_CHAR_ID  *p_char_result,
                                                        tBTA_GATT_CHAR_PROP *p_property);

/*******************************************************************************
**
** Function         BTA_GATTC_GetFirstCharDescr
**
** Description      This function is called to find the first charatceristic descriptor of the
**                  charatceristic on the given server.
**
** Parameters       conn_id: connection ID which identify the server.
**                  p_char_id: the characteristic ID of which the descriptor is belonged to.
**                  p_descr_uuid_cond: Characteristic Descr UUID, if NULL find the first available
**                               characteristic.
**                  p_descr_result: output parameter which will store the GATT
**                                  characteristic descriptor ID.
**
** Returns          returns status.
**
*******************************************************************************/
BTA_API extern tBTA_GATT_STATUS  BTA_GATTC_GetFirstCharDescr (UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id,
                                                tBT_UUID *p_descr_uuid_cond,
                                                tBTA_GATTC_CHAR_DESCR_ID *p_descr_result);

/*******************************************************************************
**
** Function         BTA_GATTC_GetNextCharDescr
**
** Description      This function is called to find the next charatceristic of the
**                  service on the given server.
**
** Parameters       conn_id: connection ID which identify the server.
**                  p_start_descr_id: start the characteristic search from the next record
**                           after the one identified by p_start_descr_id.
**                  p_descr_uuid_cond: Characteristic descriptor UUID, if NULL find
**                               the first available characteristic descriptor.
**                  p_descr_result: output parameter which will store the GATT
**                                  characteristic descriptor ID.
**
** Returns          returns status.
**
*******************************************************************************/
BTA_API extern tBTA_GATT_STATUS  BTA_GATTC_GetNextCharDescr (UINT16 conn_id,
                                             tBTA_GATTC_CHAR_DESCR_ID *p_start_descr_id,
                                             tBT_UUID           *p_descr_uuid_cond,
                                             tBTA_GATTC_CHAR_DESCR_ID *p_descr_result);


/*******************************************************************************
**
** Function         BTA_GATTC_GetFirstIncludedService
**
** Description      This function is called to find the first included service of the
**                  service on the given server.
**
** Parameters       conn_id: connection ID which identify the server.
**                  p_srvc_id: the service ID of which the included service is belonged to.
**                  p_uuid_cond: include service UUID, if NULL find the first available
**                               included service.
**                  p_result: output parameter which will store the GATT ID
**                              of the included service found.
**
** Returns          returns status.
**
*******************************************************************************/
BTA_API extern tBTA_GATT_STATUS  BTA_GATTC_GetFirstIncludedService(UINT16 conn_id,
                                                                   tBTA_GATT_SRVC_ID    *p_srvc_id,
                                                                   tBT_UUID               *p_uuid_cond,
                                                                   tBTA_GATTC_INCL_SVC_ID *p_result);

/*******************************************************************************
**
** Function         BTA_GATTC_GetNextIncludedService
**
** Description      This function is called to find the next included service of the
**                  service on the given server.
**
** Parameters       conn_id: connection ID which identify the server.
**                  p_start_id: start the search from the next record
**                                  after the one identified by p_start_id.
**                  p_uuid_cond: Included service UUID, if NULL find the first available
**                               included service.
**                  p_result: output parameter which will store the GATT ID
**                              of the included service found.
**
** Returns          returns status.
**
*******************************************************************************/
BTA_API extern tBTA_GATT_STATUS  BTA_GATTC_GetNextIncludedService(UINT16 conn_id,
                                                                  tBTA_GATTC_INCL_SVC_ID *p_start_id,
                                                                  tBT_UUID             *p_uuid_cond,
                                                                  tBTA_GATTC_INCL_SVC_ID *p_result);

/*******************************************************************************
**
** Function         BTA_GATTC_ReadCharacteristic
**
** Description      This function is called to read a service's characteristics of
**                    the given characteritisc ID.
**
** Parameters       conn_id - connectino ID.
**                    p_char_id - characteritic ID to read.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_ReadCharacteristic (UINT16 conn_id,
                                                  tBTA_GATTC_CHAR_ID *p_char_id,
                                                  tBTA_GATT_AUTH_REQ auth_req);

/*******************************************************************************
**
** Function         BTA_GATTC_ReadCharDescr
**
** Description      This function is called to read a characteristics descriptor.
**
** Parameters       conn_id - connection ID.
**                    p_char_descr_id - characteritic descriptor ID to read.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_ReadCharDescr (UINT16 conn_id,
                                             tBTA_GATTC_CHAR_DESCR_ID *p_char_descr_id,
                                             tBTA_GATT_AUTH_REQ auth_req);

/*******************************************************************************
**
** Function         BTA_GATTC_WriteCharValue
**
** Description      This function is called to write characteristic value.
**
** Parameters       conn_id - connection ID.
**                    p_char_id - characteristic ID to write.
**                    write_type - type of write.
**                  len: length of the data to be written.
**                  p_value - the value to be written.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_WriteCharValue (UINT16 conn_id,
                                              tBTA_GATTC_CHAR_ID *p_char_id,
                                              tBTA_GATTC_WRITE_TYPE  write_type,
                                              UINT16 len,
                                              UINT8 *p_value,
                                              tBTA_GATT_AUTH_REQ auth_req);

/*******************************************************************************
**
** Function         BTA_GATTC_WriteCharDescr
**
** Description      This function is called to write characteristic descriptor value.
**
** Parameters       conn_id - connection ID
**                    p_char_descr_id - characteristic descriptor ID to write.
**                    write_type - type of write.
**                  p_value - the value to be written.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_WriteCharDescr (UINT16 conn_id,
                                              tBTA_GATTC_CHAR_DESCR_ID *p_char_descr_id,
                                              tBTA_GATTC_WRITE_TYPE  write_type,
                                              tBTA_GATT_UNFMT   *p_data,
                                              tBTA_GATT_AUTH_REQ auth_req);

/*******************************************************************************
**
** Function         BTA_GATTC_SendIndConfirm
**
** Description      This function is called to send handle value confirmation.
**
** Parameters       conn_id - connection ID.
**                    p_char_id - characteristic ID to confrim.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_SendIndConfirm (UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id);

/*******************************************************************************
**
** Function         BTA_GATTC_RegisterForNotifications
**
** Description      This function is called to register for notification of a service.
**
** Parameters       client_if   - client interface.
**                  remote_bda  - target GATT server.
**                  p_char_id   - pointer to GATT characteristic ID.
**
** Returns          OK if registration succeed, otherwise failed.
**
*******************************************************************************/
BTA_API extern tBTA_GATT_STATUS BTA_GATTC_RegisterForNotifications (tBTA_GATTC_IF      client_if,
                                                                    BD_ADDR            remote_bda,
                                                                    tBTA_GATTC_CHAR_ID *p_char_id);


/*******************************************************************************
**
** Function         BTA_GATTC_DeregisterForNotifications
**
** Description      This function is called to de-register for notification of a servbice.
**
** Parameters       client_if - client interface.
**                  remote_bda - target GATT server.
**                  p_char_id - pointer to a GATT characteristic ID.
**
** Returns          OK if deregistration succeed, otherwise failed.
**
*******************************************************************************/
BTA_API extern tBTA_GATT_STATUS BTA_GATTC_DeregisterForNotifications (tBTA_GATTC_IF      client_if,
                                                                      BD_ADDR            remote_bda,
                                                                      tBTA_GATTC_CHAR_ID *p_char_id);

/*******************************************************************************
**
** Function         BTA_GATTC_PrepareWrite
**
** Description      This function is called to prepare write a characteristic value.
**
** Parameters       conn_id - connection ID.
**                    p_char_id - GATT characteritic ID of the service.
**                  offset - offset of the write value.
**                  len: length of the data to be written.
**                  p_value - the value to be written.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_PrepareWrite  (UINT16 conn_id,
                                             tBTA_GATTC_CHAR_ID *p_char_id,
                                             UINT16 offset,
                                             UINT16 len,
                                             UINT8 *p_value,
                                             tBTA_GATT_AUTH_REQ auth_req);

/*******************************************************************************
**
** Function         BTA_GATTC_ExecuteWrite
**
** Description      This function is called to execute write a prepare write sequence.
**
** Parameters       conn_id - connection ID.
**                    is_execute - execute or cancel.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_ExecuteWrite  (UINT16 conn_id, BOOLEAN is_execute);

/*******************************************************************************
**
** Function         BTA_GATTC_ReadMultiple
**
** Description      This function is called to read multiple characteristic or
**                  characteristic descriptors.
**
** Parameters       conn_id - connectino ID.
**                    p_read_multi - read multiple parameters.
**
** Returns          None
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_ReadMultiple(UINT16 conn_id, tBTA_GATTC_MULTI *p_read_multi,
                                           tBTA_GATT_AUTH_REQ auth_req);


/*******************************************************************************
**
** Function         BTA_GATTC_Refresh
**
** Description      Refresh the server cache of the remote device
**
** Parameters       remote_bda: remote device BD address.
**
** Returns          void
**
*******************************************************************************/
BTA_API extern void BTA_GATTC_Refresh(BD_ADDR remote_bda);


/*******************************************************************************
**  BTA GATT Server API
********************************************************************************/

/*******************************************************************************
**
** Function         BTA_GATTS_Init
**
** Description      This function is called to initalize GATTS module
**
** Parameters       None
**
** Returns          None
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_Init();

/*******************************************************************************
**
** Function         BTA_GATTS_Disable
**
** Description      This function is called to disable GATTS module
**
** Parameters       None.
**
** Returns          None
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_Disable(void);

/*******************************************************************************
**
** Function         BTA_GATTS_AppRegister
**
** Description      This function is called to register application callbacks
**                    with BTA GATTS module.
**
** Parameters       p_app_uuid - applicaiton UUID
**                  p_cback - pointer to the application callback function.
**
** Returns          None
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_AppRegister(tBT_UUID *p_app_uuid, tBTA_GATTS_CBACK *p_cback);


/*******************************************************************************
**
** Function         BTA_GATTS_AppDeregister
**
** Description      De-register with BTA GATT Server.
**
** Parameters       server_if: server interface
**
** Returns          void
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_AppDeregister(tBTA_GATTS_IF server_if);

/*******************************************************************************
**
** Function         BTA_GATTS_CreateService
**
** Description      Create a service. When service creation is done, a callback
**                  event BTA_GATTS_CREATE_SRVC_EVT is called to report status
**                  and service ID to the profile. The service ID obtained in
**                  the callback function needs to be used when adding included
**                  service and characteristics/descriptors into the service.
**
** Parameters       server_if: server interface.
**                  p_service_uuid: service UUID.
**                  inst: instance ID number of this service.
**                  num_handle: numble of handle requessted for this service.
**                  is_primary: is this service a primary one or not.
**
** Returns          void
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_CreateService(tBTA_GATTS_IF server_if, tBT_UUID *p_service_uuid,
                                                UINT8 inst, UINT16 num_handle, BOOLEAN is_primary);

/*******************************************************************************
**
** Function         BTA_GATTS_AddIncludeService
**
** Description      This function is called to add an included service. After included
**                  service is included, a callback event BTA_GATTS_ADD_INCL_SRVC_EVT
**                  is reported the included service ID.
**
** Parameters       service_id: service ID to which this included service is to
**                              be added.
**                  included_service_id: the service ID to be included.
**
** Returns          void
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_AddIncludeService(UINT16 service_id, UINT16 included_service_id);

/*******************************************************************************
**
** Function         BTA_GATTS_AddCharacteristic
**
** Description      This function is called to add a characteristic into a service.
**
** Parameters       service_id: service ID to which this included service is to
**                              be added.
**                  p_char_uuid : Characteristic UUID.
**                  perm      : Characteristic value declaration attribute permission.
**                  property  : Characteristic Properties
**
** Returns          None
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_AddCharacteristic (UINT16 service_id,  tBT_UUID   *p_char_uuid,
                                                     tBTA_GATT_PERM perm, tBTA_GATT_CHAR_PROP property);

/*******************************************************************************
**
** Function         BTA_GATTS_AddCharDescriptor
**
** Description      This function is called to add characteristic descriptor. When
**                  it's done, a callback event BTA_GATTS_ADD_DESCR_EVT is called
**                  to report the status and an ID number for this descriptor.
**
** Parameters       service_id: service ID to which this charatceristic descriptor is to
**                              be added.
**                  perm: descriptor access permission.
**                  p_descr_uuid: descriptor UUID.
**                  p_descr_params: descriptor value if it's read only descriptor.
**
** Returns          returns status.
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_AddCharDescriptor (UINT16 service_id,
                                                     tBTA_GATT_PERM perm,
                                                     tBT_UUID  * p_descr_uuid);

/*******************************************************************************
**
** Function         BTA_GATTS_DeleteService
**
** Description      This function is called to delete a service. When this is done,
**                  a callback event BTA_GATTS_DELETE_EVT is report with the status.
**
** Parameters       service_id: service_id to be deleted.
**
** Returns          returns none.
**
*******************************************************************************/
    BTA_API extern void  BTA_GATTS_DeleteService(UINT16 service_id);

/*******************************************************************************
**
** Function         BTA_GATTS_StartService
**
** Description      This function is called to start a service.
**
** Parameters       service_id: the service ID to be started.
**                  sup_transport: supported trasnport.
**
** Returns          None.
**
*******************************************************************************/
    BTA_API extern void  BTA_GATTS_StartService(UINT16 service_id, tBTA_GATT_TRANSPORT sup_transport);

/*******************************************************************************
**
** Function         BTA_GATTS_StopService
**
** Description      This function is called to stop a service.
**
** Parameters       service_id - service to be topped.
**
** Returns          None
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_StopService(UINT16 service_id);

/*******************************************************************************
**
** Function         BTA_GATTS_HandleValueIndication
**
** Description      This function is called to read a characteristics descriptor.
**
** Parameters       conn_id - connection identifier.
**					attr_id - attribute ID to indicate.
**                  data_len - indicate data length.
**                  p_data: data to indicate.
**                  need_confirm - if this indication expects a confirmation or not.
**
** Returns          None
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_HandleValueIndication (UINT16 conn_id, UINT16 attr_id,
                                                         UINT16 data_len,
                                                         UINT8 *p_data,
                                                         BOOLEAN need_confirm);

/*******************************************************************************
**
** Function         BTA_GATTS_SendRsp
**
** Description      This function is called to send a response to a request.
**
** Parameters       conn_id - connection identifier.
**                  trans_id - transaction ID.
**                  status - response status
**                  p_msg - response data.
**
** Returns          None
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_SendRsp (UINT16 conn_id, UINT32 trans_id,
                                           tBTA_GATT_STATUS status, tBTA_GATTS_RSP *p_msg);




/*******************************************************************************
**
** Function         BTA_GATTS_Open
**
** Description      Open a direct open connection or add a background auto connection
**                  bd address
**
** Parameters       server_if: server interface.
**                  remote_bda: remote device BD address.
**                  is_direct: direct connection or background auto connection
**
** Returns          void
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_Open(tBTA_GATTS_IF server_if, BD_ADDR remote_bda, BOOLEAN is_direct);


/*******************************************************************************
**
** Function         BTA_GATTS_CancelOpen
**
** Description      Cancel a direct open connection or remove a background auto connection
**                  bd address
**
** Parameters       server_if: server interface.
**                  remote_bda: remote device BD address.
**                  is_direct: direct connection or background auto connection
**
** Returns          void
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_CancelOpen(tBTA_GATTS_IF server_if, BD_ADDR remote_bda, BOOLEAN is_direct);


/*******************************************************************************
**
** Function         BTA_GATTS_Close
**
** Description      Close a connection  a remote device.
**
** Parameters       conn_id: connectino ID to be closed.
**
** Returns          void
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_Close(UINT16 conn_id);

/*******************************************************************************
**
** Function         BTA_GATTS_Listen
**
** Description      Start advertisement to listen for connection request for a
**                  GATT server
**
** Parameters       server_if: server interface.
**                  start: to start or stop listening for connection
**                  remote_bda: remote device BD address, if listen to all device
**                              use NULL.
**
** Returns          void
**
*******************************************************************************/
    BTA_API extern void BTA_GATTS_Listen(tBTA_GATTS_IF server_if, BOOLEAN start,
                                        BD_ADDR_PTR target_bda);


#ifdef __cplusplus

}
#endif


#endif /* BTA_GATT_API_H */