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*****************************************************************************/ 38enum 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}; 71typedef 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 */ 95typedef struct 96{ 97 BT_HDR hdr; 98 tBT_UUID app_uuid; 99 tBTA_GATTC_CBACK *p_cback; 100}tBTA_GATTC_API_REG; 101 102typedef struct 103{ 104 BT_HDR hdr; 105 tBTA_GATTC_IF client_if; 106}tBTA_GATTC_INT_START_IF; 107 108typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_API_DEREG; 109typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_INT_DEREG; 110 111typedef 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 120typedef tBTA_GATTC_API_OPEN tBTA_GATTC_API_CANCEL_OPEN; 121 122typedef 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 130typedef 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 142typedef struct 143{ 144 BT_HDR hdr; 145 BOOLEAN is_execute; 146}tBTA_GATTC_API_EXEC; 147 148typedef struct 149{ 150 BT_HDR hdr; 151 UINT16 handle; 152} tBTA_GATTC_API_CONFIRM; 153 154typedef tGATT_CL_COMPLETE tBTA_GATTC_CMPL; 155 156typedef 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 164typedef struct 165{ 166 BT_HDR hdr; 167 tBT_UUID *p_srvc_uuid; 168}tBTA_GATTC_API_SEARCH; 169 170typedef 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 178typedef 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 187typedef struct 188{ 189 BT_HDR hdr; 190 UINT16 mtu; 191}tBTA_GATTC_API_CFG_MTU; 192 193typedef 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 203typedef struct 204{ 205 BT_HDR hdr; 206 BD_ADDR remote_bda; 207 tBTA_GATTC_IF client_if; 208}tBTA_GATTC_ENC_CMPL; 209 210typedef 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 238typedef struct 239{ 240 tBT_UUID uuid; 241 UINT16 s_handle; 242 UINT16 e_handle; 243 // this field is set only for characteristic 244 UINT16 char_decl_handle; 245 BOOLEAN is_primary; 246 tBTA_GATT_CHAR_PROP property; 247}tBTA_GATTC_ATTR_REC; 248 249 250#define BTA_GATTC_MAX_CACHE_CHAR 40 251#define BTA_GATTC_ATTR_LIST_SIZE (BTA_GATTC_MAX_CACHE_CHAR * sizeof(tBTA_GATTC_ATTR_REC)) 252 253#ifndef BTA_GATTC_CACHE_SRVR_SIZE 254 #define BTA_GATTC_CACHE_SRVR_SIZE 600 255#endif 256 257enum 258{ 259 BTA_GATTC_IDLE_ST = 0, /* Idle */ 260 BTA_GATTC_W4_CONN_ST, /* Wait for connection - (optional) */ 261 BTA_GATTC_CONN_ST, /* connected state */ 262 BTA_GATTC_DISCOVER_ST /* discover is in progress */ 263}; 264typedef UINT8 tBTA_GATTC_STATE; 265 266typedef struct 267{ 268 BOOLEAN in_use; 269 BD_ADDR server_bda; 270 BOOLEAN connected; 271 272#define BTA_GATTC_SERV_IDLE 0 273#define BTA_GATTC_SERV_LOAD 1 274#define BTA_GATTC_SERV_SAVE 2 275#define BTA_GATTC_SERV_DISC 3 276#define BTA_GATTC_SERV_DISC_ACT 4 277 278 UINT8 state; 279 280 list_t *p_srvc_cache; /* list of tBTA_GATTC_SERVICE */ 281 UINT8 update_count; /* indication received */ 282 UINT8 num_clcb; /* number of associated CLCB */ 283 284 285 tBTA_GATTC_ATTR_REC *p_srvc_list; 286 UINT8 cur_srvc_idx; 287 UINT8 cur_char_idx; 288 UINT8 next_avail_idx; 289 UINT8 total_srvc; 290 UINT8 total_char; 291 292 UINT8 srvc_hdl_chg; /* service handle change indication pending */ 293 UINT16 attr_index; /* cahce NV saving/loading attribute index */ 294 295 UINT16 mtu; 296} tBTA_GATTC_SERV; 297 298#ifndef BTA_GATTC_NOTIF_REG_MAX 299#define BTA_GATTC_NOTIF_REG_MAX 15 300#endif 301 302typedef struct 303{ 304 BOOLEAN in_use; 305 BD_ADDR remote_bda; 306 UINT16 handle; 307}tBTA_GATTC_NOTIF_REG; 308 309typedef struct 310{ 311 tBTA_GATTC_CBACK *p_cback; 312 BOOLEAN in_use; 313 tBTA_GATTC_IF client_if; /* client interface with BTE stack for this application */ 314 UINT8 num_clcb; /* number of associated CLCB */ 315 BOOLEAN dereg_pending; 316 tBT_UUID app_uuid; 317 tBTA_GATTC_NOTIF_REG notif_reg[BTA_GATTC_NOTIF_REG_MAX]; 318}tBTA_GATTC_RCB; 319 320/* client channel is a mapping between a BTA client(cl_id) and a remote BD address */ 321typedef struct 322{ 323 UINT16 bta_conn_id; /* client channel ID, unique for clcb */ 324 BD_ADDR bda; 325 tBTA_TRANSPORT transport; /* channel transport */ 326 tBTA_GATTC_RCB *p_rcb; /* pointer to the registration CB */ 327 tBTA_GATTC_SERV *p_srcb; /* server cache CB */ 328 tBTA_GATTC_DATA *p_q_cmd; /* command in queue waiting for execution */ 329 330#define BTA_GATTC_NO_SCHEDULE 0 331#define BTA_GATTC_DISC_WAITING 0x01 332#define BTA_GATTC_REQ_WAITING 0x10 333 334 UINT8 auto_update; /* auto update is waiting */ 335 BOOLEAN disc_active; 336 BOOLEAN in_use; 337 tBTA_GATTC_STATE state; 338 tBTA_GATT_STATUS status; 339 UINT16 reason; 340} tBTA_GATTC_CLCB; 341 342/* back ground connection tracking information */ 343#if GATT_MAX_APPS <= 8 344typedef UINT8 tBTA_GATTC_CIF_MASK ; 345#elif GATT_MAX_APPS <= 16 346typedef UINT16 tBTA_GATTC_CIF_MASK; 347#elif GATT_MAX_APPS <= 32 348typedef UINT32 tBTA_GATTC_CIF_MASK; 349#endif 350 351typedef struct 352{ 353 BOOLEAN in_use; 354 BD_ADDR remote_bda; 355 tBTA_GATTC_CIF_MASK cif_mask; 356 tBTA_GATTC_CIF_MASK cif_adv_mask; 357 358}tBTA_GATTC_BG_TCK; 359 360typedef struct 361{ 362 BOOLEAN in_use; 363 BD_ADDR remote_bda; 364}tBTA_GATTC_CONN; 365 366enum 367{ 368 BTA_GATTC_STATE_DISABLED, 369 BTA_GATTC_STATE_ENABLING, 370 BTA_GATTC_STATE_ENABLED, 371 BTA_GATTC_STATE_DISABLING 372}; 373 374typedef struct 375{ 376 UINT8 state; 377 378 tBTA_GATTC_CONN conn_track[BTA_GATTC_CONN_MAX]; 379 tBTA_GATTC_BG_TCK bg_track[BTA_GATTC_KNOWN_SR_MAX]; 380 tBTA_GATTC_RCB cl_rcb[BTA_GATTC_CL_MAX]; 381 382 tBTA_GATTC_CLCB clcb[BTA_GATTC_CLCB_MAX]; 383 tBTA_GATTC_SERV known_server[BTA_GATTC_KNOWN_SR_MAX]; 384}tBTA_GATTC_CB; 385 386/***************************************************************************** 387** Global data 388*****************************************************************************/ 389 390/* GATTC control block */ 391#if BTA_DYNAMIC_MEMORY == FALSE 392extern tBTA_GATTC_CB bta_gattc_cb; 393#else 394extern tBTA_GATTC_CB *bta_gattc_cb_ptr; 395#define bta_gattc_cb (*bta_gattc_cb_ptr) 396#endif 397 398/***************************************************************************** 399** Function prototypes 400*****************************************************************************/ 401extern BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg); 402extern BOOLEAN bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data); 403 404/* function processed outside SM */ 405extern void bta_gattc_disable(tBTA_GATTC_CB *p_cb); 406extern void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data); 407extern void bta_gattc_start_if(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data); 408extern void bta_gattc_process_api_open (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 409extern void bta_gattc_process_api_open_cancel (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 410extern void bta_gattc_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_RCB *p_clreg); 411extern void bta_gattc_process_enc_cmpl(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg); 412 413/* function within state machine */ 414extern void bta_gattc_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 415extern void bta_gattc_open_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 416extern void bta_gattc_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 417 418extern void bta_gattc_cancel_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 419extern void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 420extern void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 421 422extern void bta_gattc_conn(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 423 424extern void bta_gattc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 425extern void bta_gattc_close_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 426extern void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 427 428extern void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 429extern void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 430extern void bta_gattc_read(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 431extern void bta_gattc_write(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 432extern void bta_gattc_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 433extern void bta_gattc_q_cmd(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 434extern void bta_gattc_search(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 435extern void bta_gattc_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 436extern void bta_gattc_confirm(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 437extern void bta_gattc_execute(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 438extern void bta_gattc_read_multi(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 439extern void bta_gattc_ci_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 440extern void bta_gattc_ci_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 441extern void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 442extern void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA * p_msg); 443extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, tBTA_GATTC_RCB *p_clreg); 444extern void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN *p_data); 445extern void bta_gattc_send_open_cback( tBTA_GATTC_RCB *p_clreg, tBTA_GATT_STATUS status, 446 BD_ADDR remote_bda, UINT16 conn_id, tBTA_TRANSPORT transport, UINT16 mtu); 447extern void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 448extern void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 449#if BLE_INCLUDED == TRUE 450extern void bta_gattc_listen(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 451extern void bta_gattc_broadcast(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 452#endif 453/* utility functions */ 454extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_cif (UINT8 client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport); 455extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_conn_id (UINT16 conn_id); 456extern tBTA_GATTC_CLCB * bta_gattc_clcb_alloc(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport); 457extern void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB *p_clcb); 458extern tBTA_GATTC_CLCB * bta_gattc_find_alloc_clcb(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport); 459extern tBTA_GATTC_RCB * bta_gattc_cl_get_regcb(UINT8 client_if); 460extern tBTA_GATTC_SERV * bta_gattc_find_srcb(BD_ADDR bda); 461extern tBTA_GATTC_SERV * bta_gattc_srcb_alloc(BD_ADDR bda); 462extern tBTA_GATTC_SERV * bta_gattc_find_scb_by_cid (UINT16 conn_id); 463extern tBTA_GATTC_CLCB * bta_gattc_find_int_conn_clcb(tBTA_GATTC_DATA *p_msg); 464extern tBTA_GATTC_CLCB * bta_gattc_find_int_disconn_clcb(tBTA_GATTC_DATA *p_msg); 465 466extern BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 467 468extern BOOLEAN bta_gattc_uuid_compare (const tBT_UUID *p_src, const tBT_UUID *p_tar, BOOLEAN is_precise); 469extern BOOLEAN bta_gattc_check_notif_registry(tBTA_GATTC_RCB *p_clreg, tBTA_GATTC_SERV *p_srcb, tBTA_GATTC_NOTIFY *p_notify); 470extern BOOLEAN bta_gattc_mark_bg_conn (tBTA_GATTC_IF client_if, BD_ADDR_PTR remote_bda, BOOLEAN add, BOOLEAN is_listen); 471extern BOOLEAN bta_gattc_check_bg_conn (tBTA_GATTC_IF client_if, BD_ADDR remote_bda, UINT8 role); 472extern UINT8 bta_gattc_num_reg_app(void); 473extern void bta_gattc_clear_notif_registration(tBTA_GATTC_SERV *p_srcb, UINT16 conn_id, UINT16 start_handle, UINT16 end_handle); 474extern tBTA_GATTC_SERV * bta_gattc_find_srvr_cache(BD_ADDR bda); 475 476/* discovery functions */ 477extern void bta_gattc_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data); 478extern void bta_gattc_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status); 479extern tBTA_GATT_STATUS bta_gattc_discover_procedure(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type); 480extern tBTA_GATT_STATUS bta_gattc_discover_pri_service(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type); 481extern void bta_gattc_search_service(tBTA_GATTC_CLCB *p_clcb, tBT_UUID *p_uuid); 482extern const list_t* bta_gattc_get_services(UINT16 conn_id); 483extern const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle(UINT16 conn_id, UINT16 handle); 484tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle); 485extern tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic(UINT16 conn_id, UINT16 handle); 486extern tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor(UINT16 conn_id, UINT16 handle); 487extern void bta_gattc_get_gatt_db(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, btgatt_db_element_t **db, int *count); 488extern tBTA_GATT_STATUS bta_gattc_init_cache(tBTA_GATTC_SERV *p_srvc_cb); 489extern void bta_gattc_rebuild_cache(tBTA_GATTC_SERV *p_srcv, UINT16 num_attr, tBTA_GATTC_NV_ATTR *attr); 490extern void bta_gattc_cache_save(tBTA_GATTC_SERV *p_srvc_cb, UINT16 conn_id); 491extern void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status); 492 493extern tBTA_GATTC_CONN * bta_gattc_conn_alloc(BD_ADDR remote_bda); 494extern tBTA_GATTC_CONN * bta_gattc_conn_find(BD_ADDR remote_bda); 495extern tBTA_GATTC_CONN * bta_gattc_conn_find_alloc(BD_ADDR remote_bda); 496extern BOOLEAN bta_gattc_conn_dealloc(BD_ADDR remote_bda); 497 498extern bool bta_gattc_cache_load(tBTA_GATTC_CLCB *p_clcb); 499extern void bta_gattc_cache_reset(BD_ADDR server_bda); 500 501#endif /* BTA_GATTC_INT_H */ 502