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 // 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 256 257 enum 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 }; 264 typedef UINT8 tBTA_GATTC_STATE; 265 266 typedef 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 301 302 typedef struct 303 { 304 BOOLEAN in_use; 305 BD_ADDR remote_bda; 306 UINT16 handle; 307 }tBTA_GATTC_NOTIF_REG; 308 309 typedef 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 */ 321 typedef 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 <= 8 344 typedef UINT8 tBTA_GATTC_CIF_MASK ; 345 #elif GATT_MAX_APPS <= 16 346 typedef UINT16 tBTA_GATTC_CIF_MASK; 347 #elif GATT_MAX_APPS <= 32 348 typedef UINT32 tBTA_GATTC_CIF_MASK; 349 #endif 350 351 typedef 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; 359 360 typedef struct 361 { 362 BOOLEAN in_use; 363 BD_ADDR remote_bda; 364 }tBTA_GATTC_CONN; 365 366 enum 367 { 368 BTA_GATTC_STATE_DISABLED, 369 BTA_GATTC_STATE_ENABLING, 370 BTA_GATTC_STATE_ENABLED, 371 BTA_GATTC_STATE_DISABLING 372 }; 373 374 typedef 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 392 extern tBTA_GATTC_CB bta_gattc_cb; 393 #else 394 extern tBTA_GATTC_CB *bta_gattc_cb_ptr; 395 #define bta_gattc_cb (*bta_gattc_cb_ptr) 396 #endif 397 398 /***************************************************************************** 399 ** Function prototypes 400 *****************************************************************************/ 401 extern BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg); 402 extern BOOLEAN bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data); 403 404 /* function processed outside SM */ 405 extern void bta_gattc_disable(tBTA_GATTC_CB *p_cb); 406 extern void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data); 407 extern void bta_gattc_start_if(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data); 408 extern void bta_gattc_process_api_open (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 409 extern void bta_gattc_process_api_open_cancel (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 410 extern void bta_gattc_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_RCB *p_clreg); 411 extern void bta_gattc_process_enc_cmpl(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg); 412 413 /* function within state machine */ 414 extern void bta_gattc_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 415 extern void bta_gattc_open_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 416 extern void bta_gattc_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 417 418 extern void bta_gattc_cancel_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 419 extern void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 420 extern void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 421 422 extern void bta_gattc_conn(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 423 424 extern void bta_gattc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 425 extern void bta_gattc_close_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 426 extern void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 427 428 extern void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 429 extern void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 430 extern void bta_gattc_read(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 431 extern void bta_gattc_write(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 432 extern void bta_gattc_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 433 extern void bta_gattc_q_cmd(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 434 extern void bta_gattc_search(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 435 extern void bta_gattc_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 436 extern void bta_gattc_confirm(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 437 extern void bta_gattc_execute(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 438 extern void bta_gattc_read_multi(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 439 extern void bta_gattc_ci_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 440 extern void bta_gattc_ci_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 441 extern void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 442 extern void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA * p_msg); 443 extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, tBTA_GATTC_RCB *p_clreg); 444 extern void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN *p_data); 445 extern 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); 447 extern void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 448 extern void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 449 #if BLE_INCLUDED == TRUE 450 extern void bta_gattc_listen(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 451 extern void bta_gattc_broadcast(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg); 452 #endif 453 /* utility functions */ 454 extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_cif (UINT8 client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport); 455 extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_conn_id (UINT16 conn_id); 456 extern tBTA_GATTC_CLCB * bta_gattc_clcb_alloc(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport); 457 extern void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB *p_clcb); 458 extern tBTA_GATTC_CLCB * bta_gattc_find_alloc_clcb(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport); 459 extern tBTA_GATTC_RCB * bta_gattc_cl_get_regcb(UINT8 client_if); 460 extern tBTA_GATTC_SERV * bta_gattc_find_srcb(BD_ADDR bda); 461 extern tBTA_GATTC_SERV * bta_gattc_srcb_alloc(BD_ADDR bda); 462 extern tBTA_GATTC_SERV * bta_gattc_find_scb_by_cid (UINT16 conn_id); 463 extern tBTA_GATTC_CLCB * bta_gattc_find_int_conn_clcb(tBTA_GATTC_DATA *p_msg); 464 extern tBTA_GATTC_CLCB * bta_gattc_find_int_disconn_clcb(tBTA_GATTC_DATA *p_msg); 465 466 extern BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 467 468 extern BOOLEAN bta_gattc_uuid_compare (const tBT_UUID *p_src, const tBT_UUID *p_tar, BOOLEAN is_precise); 469 extern BOOLEAN bta_gattc_check_notif_registry(tBTA_GATTC_RCB *p_clreg, tBTA_GATTC_SERV *p_srcb, tBTA_GATTC_NOTIFY *p_notify); 470 extern BOOLEAN bta_gattc_mark_bg_conn (tBTA_GATTC_IF client_if, BD_ADDR_PTR remote_bda, BOOLEAN add, BOOLEAN is_listen); 471 extern BOOLEAN bta_gattc_check_bg_conn (tBTA_GATTC_IF client_if, BD_ADDR remote_bda, UINT8 role); 472 extern UINT8 bta_gattc_num_reg_app(void); 473 extern void bta_gattc_clear_notif_registration(tBTA_GATTC_SERV *p_srcb, UINT16 conn_id, UINT16 start_handle, UINT16 end_handle); 474 extern tBTA_GATTC_SERV * bta_gattc_find_srvr_cache(BD_ADDR bda); 475 476 /* discovery functions */ 477 extern void bta_gattc_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data); 478 extern void bta_gattc_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status); 479 extern tBTA_GATT_STATUS bta_gattc_discover_procedure(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type); 480 extern tBTA_GATT_STATUS bta_gattc_discover_pri_service(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type); 481 extern void bta_gattc_search_service(tBTA_GATTC_CLCB *p_clcb, tBT_UUID *p_uuid); 482 extern const list_t* bta_gattc_get_services(UINT16 conn_id); 483 extern const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle(UINT16 conn_id, UINT16 handle); 484 tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle); 485 extern tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic(UINT16 conn_id, UINT16 handle); 486 extern tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor(UINT16 conn_id, UINT16 handle); 487 extern void bta_gattc_get_gatt_db(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, btgatt_db_element_t **db, int *count); 488 extern tBTA_GATT_STATUS bta_gattc_init_cache(tBTA_GATTC_SERV *p_srvc_cb); 489 extern void bta_gattc_rebuild_cache(tBTA_GATTC_SERV *p_srcv, UINT16 num_attr, tBTA_GATTC_NV_ATTR *attr); 490 extern void bta_gattc_cache_save(tBTA_GATTC_SERV *p_srvc_cb, UINT16 conn_id); 491 extern void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status); 492 493 extern tBTA_GATTC_CONN * bta_gattc_conn_alloc(BD_ADDR remote_bda); 494 extern tBTA_GATTC_CONN * bta_gattc_conn_find(BD_ADDR remote_bda); 495 extern tBTA_GATTC_CONN * bta_gattc_conn_find_alloc(BD_ADDR remote_bda); 496 extern BOOLEAN bta_gattc_conn_dealloc(BD_ADDR remote_bda); 497 498 extern bool bta_gattc_cache_load(tBTA_GATTC_CLCB *p_clcb); 499 extern void bta_gattc_cache_reset(BD_ADDR server_bda); 500 501 #endif /* BTA_GATTC_INT_H */ 502