bta/gatt/bta_gattc_int.h

   1 /******************************************************************************
   2  *
   3  *  Copyright (C) 2003-2012 Broadcom Corporation
   4  *
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at:
   8  *
   9  *  http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  *
  17  ******************************************************************************/
  18
  19 /******************************************************************************
  20  *
  21  *  This is the private file for the file transfer client (FTC).
  22  *
  23  ******************************************************************************/
  24 #ifndef BTA_GATTC_INT_H
  25 #define BTA_GATTC_INT_H
  26
  27 #include "bt_target.h"
  28
  29 #include "osi/include/fixed_queue.h"
  30 #include "bta_sys.h"
  31 #include "bta_gatt_api.h"
  32
  33 #include "bt_common.h"
  34
  35 /*****************************************************************************
  36 **  Constants and data types
  37 *****************************************************************************/
  38 enum
  39 {
  40     BTA_GATTC_API_OPEN_EVT   = BTA_SYS_EVT_START(BTA_ID_GATTC),
  41     BTA_GATTC_INT_OPEN_FAIL_EVT,
  42     BTA_GATTC_API_CANCEL_OPEN_EVT,
  43     BTA_GATTC_INT_CANCEL_OPEN_OK_EVT,
  44
  45     BTA_GATTC_API_READ_EVT,
  46     BTA_GATTC_API_WRITE_EVT,
  47     BTA_GATTC_API_EXEC_EVT,
  48     BTA_GATTC_API_CFG_MTU_EVT,
  49
  50     BTA_GATTC_API_CLOSE_EVT,
  51
  52     BTA_GATTC_API_SEARCH_EVT,
  53     BTA_GATTC_API_CONFIRM_EVT,
  54     BTA_GATTC_API_READ_MULTI_EVT,
  55     BTA_GATTC_API_REFRESH_EVT,
  56
  57     BTA_GATTC_INT_CONN_EVT,
  58     BTA_GATTC_INT_DISCOVER_EVT,
  59     BTA_GATTC_DISCOVER_CMPL_EVT,
  60     BTA_GATTC_OP_CMPL_EVT,
  61     BTA_GATTC_INT_DISCONN_EVT,
  62
  63     BTA_GATTC_INT_START_IF_EVT,
  64     BTA_GATTC_API_REG_EVT,
  65     BTA_GATTC_API_DEREG_EVT,
  66     BTA_GATTC_API_LISTEN_EVT,
  67     BTA_GATTC_API_BROADCAST_EVT,
  68     BTA_GATTC_API_DISABLE_EVT,
  69     BTA_GATTC_ENC_CMPL_EVT
  70 };
  71 typedef UINT16 tBTA_GATTC_INT_EVT;
  72
  73 #define BTA_GATTC_SERVICE_CHANGED_LEN    4
  74
  75 /* max client application GATTC can support */
  76 #ifndef     BTA_GATTC_CL_MAX
  77 #define     BTA_GATTC_CL_MAX    32
  78 #endif
  79
  80 /* max known devices GATTC can support */
  81 #ifndef     BTA_GATTC_KNOWN_SR_MAX
  82 #define     BTA_GATTC_KNOWN_SR_MAX    10
  83 #endif
  84
  85 #define BTA_GATTC_CONN_MAX      GATT_MAX_PHY_CHANNEL
  86
  87 #ifndef BTA_GATTC_CLCB_MAX
  88     #define BTA_GATTC_CLCB_MAX      GATT_CL_MAX_LCB
  89 #endif
  90
  91 #define BTA_GATTC_WRITE_PREPARE          GATT_WRITE_PREPARE
  92
  93
  94 /* internal strucutre for GATTC register API  */
  95 typedef struct
  96 {
  97     BT_HDR                  hdr;
  98     tBT_UUID                app_uuid;
  99     tBTA_GATTC_CBACK        *p_cback;
 100 }tBTA_GATTC_API_REG;
 101
 102 typedef struct
 103 {
 104     BT_HDR                  hdr;
 105     tBTA_GATTC_IF           client_if;
 106 }tBTA_GATTC_INT_START_IF;
 107
 108 typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_API_DEREG;
 109 typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_INT_DEREG;
 110
 111 typedef struct
 112 {
 113     BT_HDR                  hdr;
 114     BD_ADDR                 remote_bda;
 115     tBTA_GATTC_IF           client_if;
 116     BOOLEAN                 is_direct;
 117     tBTA_TRANSPORT          transport;
 118 } tBTA_GATTC_API_OPEN;
 119
 120 typedef tBTA_GATTC_API_OPEN tBTA_GATTC_API_CANCEL_OPEN;
 121
 122 typedef struct
 123 {
 124     BT_HDR                  hdr;
 125     tBTA_GATT_AUTH_REQ      auth_req;
 126     UINT16                  handle;
 127     tBTA_GATTC_EVT          cmpl_evt;
 128 } tBTA_GATTC_API_READ;
 129
 130 typedef struct
 131 {
 132     BT_HDR                  hdr;
 133     tBTA_GATT_AUTH_REQ      auth_req;
 134     UINT16                  handle;
 135     tBTA_GATTC_EVT          cmpl_evt;
 136     tBTA_GATTC_WRITE_TYPE   write_type;
 137     UINT16                  offset;
 138     UINT16                  len;
 139     UINT8                   *p_value;
 140 }tBTA_GATTC_API_WRITE;
 141
 142 typedef struct
 143 {
 144     BT_HDR                  hdr;
 145     BOOLEAN                 is_execute;
 146 }tBTA_GATTC_API_EXEC;
 147
 148 typedef struct
 149 {
 150     BT_HDR                  hdr;
 151     UINT16                  handle;
 152 } tBTA_GATTC_API_CONFIRM;
 153
 154 typedef tGATT_CL_COMPLETE tBTA_GATTC_CMPL;
 155
 156 typedef struct
 157 {
 158     BT_HDR                  hdr;
 159     UINT8                   op_code;
 160     tGATT_STATUS            status;
 161     tBTA_GATTC_CMPL         *p_cmpl;
 162 }tBTA_GATTC_OP_CMPL;
 163
 164 typedef struct
 165 {
 166     BT_HDR              hdr;
 167     tBT_UUID            *p_srvc_uuid;
 168 }tBTA_GATTC_API_SEARCH;
 169
 170 typedef struct
 171 {
 172     BT_HDR                  hdr;
 173     tBTA_GATT_AUTH_REQ      auth_req;
 174     UINT8                   num_attr;
 175     UINT16                  handles[GATT_MAX_READ_MULTI_HANDLES];
 176 }tBTA_GATTC_API_READ_MULTI;
 177
 178 typedef struct
 179 {
 180     BT_HDR                  hdr;
 181     BD_ADDR_PTR             remote_bda;
 182     tBTA_GATTC_IF           client_if;
 183     BOOLEAN                 start;
 184 } tBTA_GATTC_API_LISTEN;
 185
 186
 187 typedef struct
 188 {
 189     BT_HDR              hdr;
 190     UINT16              mtu;
 191 }tBTA_GATTC_API_CFG_MTU;
 192
 193 typedef struct
 194 {
 195     BT_HDR                  hdr;
 196     BD_ADDR                 remote_bda;
 197     tBTA_GATTC_IF           client_if;
 198     UINT8                   role;
 199     tBT_TRANSPORT           transport;
 200     tGATT_DISCONN_REASON    reason;
 201 }tBTA_GATTC_INT_CONN;
 202
 203 typedef struct
 204 {
 205     BT_HDR                  hdr;
 206     BD_ADDR                 remote_bda;
 207     tBTA_GATTC_IF           client_if;
 208 }tBTA_GATTC_ENC_CMPL;
 209
 210 typedef union
 211 {
 212     BT_HDR                      hdr;
 213     tBTA_GATTC_API_REG          api_reg;
 214     tBTA_GATTC_API_DEREG        api_dereg;
 215     tBTA_GATTC_API_OPEN         api_conn;
 216     tBTA_GATTC_API_CANCEL_OPEN  api_cancel_conn;
 217     tBTA_GATTC_API_READ         api_read;
 218     tBTA_GATTC_API_SEARCH       api_search;
 219     tBTA_GATTC_API_WRITE        api_write;
 220     tBTA_GATTC_API_CONFIRM      api_confirm;
 221     tBTA_GATTC_API_EXEC         api_exec;
 222     tBTA_GATTC_API_READ_MULTI   api_read_multi;
 223     tBTA_GATTC_API_CFG_MTU      api_mtu;
 224     tBTA_GATTC_OP_CMPL          op_cmpl;
 225     tBTA_GATTC_INT_CONN         int_conn;
 226     tBTA_GATTC_ENC_CMPL         enc_cmpl;
 227
 228     tBTA_GATTC_INT_START_IF     int_start_if;
 229     tBTA_GATTC_INT_DEREG        int_dereg;
 230     /* if peripheral role is supported */
 231     tBTA_GATTC_API_LISTEN       api_listen;
 232
 233 } tBTA_GATTC_DATA;
 234
 235
 236 /* GATT server cache on the client */
 237
 238 typedef struct
 239 {
 240     tBT_UUID            uuid;
 241     UINT16              s_handle;
 242     UINT16              e_handle;
 243     BOOLEAN             is_primary;
 244     tBTA_GATT_CHAR_PROP property;
 245 }tBTA_GATTC_ATTR_REC;
 246
 247
 248 #define BTA_GATTC_MAX_CACHE_CHAR    40
 249 #define BTA_GATTC_ATTR_LIST_SIZE    (BTA_GATTC_MAX_CACHE_CHAR * sizeof(tBTA_GATTC_ATTR_REC))
 250
 251 #ifndef BTA_GATTC_CACHE_SRVR_SIZE
 252     #define BTA_GATTC_CACHE_SRVR_SIZE   600
 253 #endif
 254
 255 enum
 256 {
 257     BTA_GATTC_IDLE_ST = 0,      /* Idle  */
 258     BTA_GATTC_W4_CONN_ST,       /* Wait for connection -  (optional) */
 259     BTA_GATTC_CONN_ST,          /* connected state */
 260     BTA_GATTC_DISCOVER_ST       /* discover is in progress */
 261 };
 262 typedef UINT8 tBTA_GATTC_STATE;
 263
 264 typedef struct
 265 {
 266     BOOLEAN             in_use;
 267     BD_ADDR             server_bda;
 268     BOOLEAN             connected;
 269
 270 #define BTA_GATTC_SERV_IDLE     0
 271 #define BTA_GATTC_SERV_LOAD     1
 272 #define BTA_GATTC_SERV_SAVE     2
 273 #define BTA_GATTC_SERV_DISC     3
 274 #define BTA_GATTC_SERV_DISC_ACT 4
 275
 276     UINT8               state;
 277
 278     list_t              *p_srvc_cache;  /* list of tBTA_GATTC_SERVICE */
 279     UINT8               update_count;   /* indication received */
 280     UINT8               num_clcb;       /* number of associated CLCB */
 281
 282
 283     tBTA_GATTC_ATTR_REC *p_srvc_list;
 284     UINT8               cur_srvc_idx;
 285     UINT8               cur_char_idx;
 286     UINT8               next_avail_idx;
 287     UINT8               total_srvc;
 288     UINT8               total_char;
 289
 290     UINT8               srvc_hdl_chg;   /* service handle change indication pending */
 291     UINT16              attr_index;     /* cahce NV saving/loading attribute index */
 292
 293     UINT16              mtu;
 294 } tBTA_GATTC_SERV;
 295
 296 #ifndef BTA_GATTC_NOTIF_REG_MAX
 297 #define BTA_GATTC_NOTIF_REG_MAX     15
 298 #endif
 299
 300 typedef struct
 301 {
 302     BOOLEAN             in_use;
 303     BD_ADDR             remote_bda;
 304     UINT16              handle;
 305 }tBTA_GATTC_NOTIF_REG;
 306
 307 typedef struct
 308 {
 309     tBTA_GATTC_CBACK        *p_cback;
 310     BOOLEAN                 in_use;
 311     tBTA_GATTC_IF           client_if;      /* client interface with BTE stack for this application */
 312     UINT8                   num_clcb;       /* number of associated CLCB */
 313     BOOLEAN                 dereg_pending;
 314     tBT_UUID                app_uuid;
 315     tBTA_GATTC_NOTIF_REG    notif_reg[BTA_GATTC_NOTIF_REG_MAX];
 316 }tBTA_GATTC_RCB;
 317
 318 /* client channel is a mapping between a BTA client(cl_id) and a remote BD address */
 319 typedef struct
 320 {
 321     UINT16              bta_conn_id;    /* client channel ID, unique for clcb */
 322     BD_ADDR             bda;
 323     tBTA_TRANSPORT      transport;      /* channel transport */
 324     tBTA_GATTC_RCB      *p_rcb;         /* pointer to the registration CB */
 325     tBTA_GATTC_SERV     *p_srcb;    /* server cache CB */
 326     tBTA_GATTC_DATA     *p_q_cmd;   /* command in queue waiting for execution */
 327
 328 #define BTA_GATTC_NO_SCHEDULE       0
 329 #define BTA_GATTC_DISC_WAITING      0x01
 330 #define BTA_GATTC_REQ_WAITING       0x10
 331
 332     UINT8               auto_update; /* auto update is waiting */
 333     BOOLEAN             disc_active;
 334     BOOLEAN             in_use;
 335     tBTA_GATTC_STATE    state;
 336     tBTA_GATT_STATUS    status;
 337     UINT16              reason;
 338 } tBTA_GATTC_CLCB;
 339
 340 /* back ground connection tracking information */
 341 #if GATT_MAX_APPS <= 8
 342 typedef UINT8 tBTA_GATTC_CIF_MASK ;
 343 #elif GATT_MAX_APPS <= 16
 344 typedef UINT16 tBTA_GATTC_CIF_MASK;
 345 #elif GATT_MAX_APPS <= 32
 346 typedef UINT32 tBTA_GATTC_CIF_MASK;
 347 #endif
 348
 349 typedef struct
 350 {
 351     BOOLEAN                 in_use;
 352     BD_ADDR                 remote_bda;
 353     tBTA_GATTC_CIF_MASK     cif_mask;
 354     tBTA_GATTC_CIF_MASK     cif_adv_mask;
 355
 356 }tBTA_GATTC_BG_TCK;
 357
 358 typedef struct
 359 {
 360     BOOLEAN             in_use;
 361     BD_ADDR             remote_bda;
 362 }tBTA_GATTC_CONN;
 363
 364 enum
 365 {
 366    BTA_GATTC_STATE_DISABLED,
 367    BTA_GATTC_STATE_ENABLING,
 368    BTA_GATTC_STATE_ENABLED,
 369    BTA_GATTC_STATE_DISABLING
 370 };
 371
 372 typedef struct
 373 {
 374     UINT8             state;
 375
 376     tBTA_GATTC_CONN     conn_track[BTA_GATTC_CONN_MAX];
 377     tBTA_GATTC_BG_TCK   bg_track[BTA_GATTC_KNOWN_SR_MAX];
 378     tBTA_GATTC_RCB      cl_rcb[BTA_GATTC_CL_MAX];
 379
 380     tBTA_GATTC_CLCB     clcb[BTA_GATTC_CLCB_MAX];
 381     tBTA_GATTC_SERV     known_server[BTA_GATTC_KNOWN_SR_MAX];
 382 }tBTA_GATTC_CB;
 383
 384 /*****************************************************************************
 385 **  Global data
 386 *****************************************************************************/
 387
 388 /* GATTC control block */
 389 #if BTA_DYNAMIC_MEMORY == FALSE
 390 extern tBTA_GATTC_CB  bta_gattc_cb;
 391 #else
 392 extern tBTA_GATTC_CB *bta_gattc_cb_ptr;
 393 #define bta_gattc_cb (*bta_gattc_cb_ptr)
 394 #endif
 395
 396 /*****************************************************************************
 397 **  Function prototypes
 398 *****************************************************************************/
 399 extern BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg);
 400 extern BOOLEAN bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data);
 401
 402 /* function processed outside SM */
 403 extern void bta_gattc_disable(tBTA_GATTC_CB *p_cb);
 404 extern void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
 405 extern void bta_gattc_start_if(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
 406 extern void bta_gattc_process_api_open (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 407 extern void bta_gattc_process_api_open_cancel (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 408 extern void bta_gattc_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_RCB  *p_clreg);
 409 extern void bta_gattc_process_enc_cmpl(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 410
 411 /* function within state machine */
 412 extern void bta_gattc_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 413 extern void bta_gattc_open_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 414 extern void bta_gattc_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 415
 416 extern void bta_gattc_cancel_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 417 extern void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 418 extern void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 419
 420 extern void bta_gattc_conn(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 421
 422 extern void bta_gattc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 423 extern void bta_gattc_close_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 424 extern void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 425
 426 extern void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 427 extern void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 428 extern void bta_gattc_read(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 429 extern void bta_gattc_write(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 430 extern void bta_gattc_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 431 extern void bta_gattc_q_cmd(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 432 extern void bta_gattc_search(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 433 extern void bta_gattc_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 434 extern void bta_gattc_confirm(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 435 extern void bta_gattc_execute(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 436 extern void bta_gattc_read_multi(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 437 extern void bta_gattc_ci_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 438 extern void bta_gattc_ci_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 439 extern void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 440 extern void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA * p_msg);
 441 extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, tBTA_GATTC_RCB *p_clreg);
 442 extern void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN *p_data);
 443 extern void bta_gattc_send_open_cback( tBTA_GATTC_RCB *p_clreg, tBTA_GATT_STATUS status,
 444                                        BD_ADDR remote_bda, UINT16 conn_id, tBTA_TRANSPORT transport,  UINT16 mtu);
 445 extern void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 446 extern void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 447 #if BLE_INCLUDED == TRUE
 448 extern void bta_gattc_listen(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 449 extern void bta_gattc_broadcast(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 450 #endif
 451 /* utility functions */
 452 extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_cif (UINT8 client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 453 extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_conn_id (UINT16 conn_id);
 454 extern tBTA_GATTC_CLCB * bta_gattc_clcb_alloc(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 455 extern void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB *p_clcb);
 456 extern tBTA_GATTC_CLCB * bta_gattc_find_alloc_clcb(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 457 extern tBTA_GATTC_RCB * bta_gattc_cl_get_regcb(UINT8 client_if);
 458 extern tBTA_GATTC_SERV * bta_gattc_find_srcb(BD_ADDR bda);
 459 extern tBTA_GATTC_SERV * bta_gattc_srcb_alloc(BD_ADDR bda);
 460 extern tBTA_GATTC_SERV * bta_gattc_find_scb_by_cid (UINT16 conn_id);
 461 extern tBTA_GATTC_CLCB * bta_gattc_find_int_conn_clcb(tBTA_GATTC_DATA *p_msg);
 462 extern tBTA_GATTC_CLCB * bta_gattc_find_int_disconn_clcb(tBTA_GATTC_DATA *p_msg);
 463
 464 extern BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 465
 466 extern BOOLEAN bta_gattc_uuid_compare (const tBT_UUID *p_src, const tBT_UUID *p_tar, BOOLEAN is_precise);
 467 extern BOOLEAN bta_gattc_check_notif_registry(tBTA_GATTC_RCB  *p_clreg, tBTA_GATTC_SERV *p_srcb, tBTA_GATTC_NOTIFY  *p_notify);
 468 extern BOOLEAN bta_gattc_mark_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR_PTR remote_bda, BOOLEAN add, BOOLEAN is_listen);
 469 extern BOOLEAN bta_gattc_check_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR remote_bda, UINT8 role);
 470 extern UINT8 bta_gattc_num_reg_app(void);
 471 extern void bta_gattc_clear_notif_registration(tBTA_GATTC_SERV *p_srcb, UINT16 conn_id, UINT16 start_handle, UINT16 end_handle);
 472 extern tBTA_GATTC_SERV * bta_gattc_find_srvr_cache(BD_ADDR bda);
 473
 474 /* discovery functions */
 475 extern void bta_gattc_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data);
 476 extern void bta_gattc_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status);
 477 extern tBTA_GATT_STATUS bta_gattc_discover_procedure(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
 478 extern tBTA_GATT_STATUS bta_gattc_discover_pri_service(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
 479 extern void bta_gattc_search_service(tBTA_GATTC_CLCB *p_clcb, tBT_UUID *p_uuid);
 480 extern const list_t* bta_gattc_get_services(UINT16 conn_id);
 481 extern const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle(UINT16 conn_id, UINT16 handle);
 482 tBTA_GATTC_CHARACTERISTIC*  bta_gattc_get_characteristic_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle);
 483 extern tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic(UINT16 conn_id, UINT16 handle);
 484 extern tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor(UINT16 conn_id, UINT16 handle);
 485 extern void bta_gattc_get_gatt_db(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, btgatt_db_element_t **db, int *count);
 486 extern tBTA_GATT_STATUS bta_gattc_init_cache(tBTA_GATTC_SERV *p_srvc_cb);
 487 extern void bta_gattc_rebuild_cache(tBTA_GATTC_SERV *p_srcv, UINT16 num_attr, tBTA_GATTC_NV_ATTR *attr);
 488 extern void bta_gattc_cache_save(tBTA_GATTC_SERV *p_srvc_cb, UINT16 conn_id);
 489 extern void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status);
 490
 491 extern tBTA_GATTC_CONN * bta_gattc_conn_alloc(BD_ADDR remote_bda);
 492 extern tBTA_GATTC_CONN * bta_gattc_conn_find(BD_ADDR remote_bda);
 493 extern tBTA_GATTC_CONN * bta_gattc_conn_find_alloc(BD_ADDR remote_bda);
 494 extern BOOLEAN bta_gattc_conn_dealloc(BD_ADDR remote_bda);
 495
 496 extern bool bta_gattc_cache_load(tBTA_GATTC_CLCB *p_clcb);
 497 extern void bta_gattc_cache_reset(BD_ADDR server_bda);
 498
 499 #endif /* BTA_GATTC_INT_H */