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 file contains the GATT client main functions and state machine. 22 * 23 ******************************************************************************/ 24 25#include "bt_target.h" 26 27#if defined(BTA_GATT_INCLUDED) && (BTA_GATT_INCLUDED == TRUE) 28 29#include <string.h> 30 31#include "bta_gattc_int.h" 32#include "gki.h" 33 34 35/***************************************************************************** 36** Constants and types 37*****************************************************************************/ 38 39 40/* state machine action enumeration list */ 41enum 42{ 43 BTA_GATTC_OPEN, 44 BTA_GATTC_OPEN_FAIL, 45 BTA_GATTC_OPEN_ERROR, 46 BTA_GATTC_CANCEL_OPEN, 47 BTA_GATTC_CANCEL_OPEN_OK, 48 BTA_GATTC_CANCEL_OPEN_ERROR, 49 BTA_GATTC_CONN, 50 BTA_GATTC_START_DISCOVER, 51 BTA_GATTC_DISC_CMPL, 52 53 BTA_GATTC_Q_CMD, 54 BTA_GATTC_CLOSE, 55 BTA_GATTC_CLOSE_FAIL, 56 BTA_GATTC_READ, 57 BTA_GATTC_WRITE, 58 59 BTA_GATTC_OP_CMPL, 60 BTA_GATTC_SEARCH, 61 BTA_GATTC_FAIL, 62 BTA_GATTC_CONFIRM, 63 BTA_GATTC_EXEC, 64 BTA_GATTC_READ_MULTI, 65 BTA_GATTC_CI_OPEN, 66 BTA_GATTC_CI_LOAD, 67 BTA_GATTC_CI_SAVE, 68 BTA_GATTC_CACHE_OPEN, 69 BTA_GATTC_IGNORE_OP_CMPL, 70 BTA_GATTC_DISC_CLOSE, 71 BTA_GATTC_RESTART_DISCOVER, 72 73 BTA_GATTC_IGNORE 74}; 75/* type for action functions */ 76typedef void (*tBTA_GATTC_ACTION)(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data); 77 78/* action function list */ 79const tBTA_GATTC_ACTION bta_gattc_action[] = 80{ 81 bta_gattc_open, 82 bta_gattc_open_fail, 83 bta_gattc_open_error, 84 bta_gattc_cancel_open, 85 bta_gattc_cancel_open_ok, 86 bta_gattc_cancel_open_error, 87 bta_gattc_conn, 88 bta_gattc_start_discover, 89 bta_gattc_disc_cmpl, 90 91 bta_gattc_q_cmd, 92 bta_gattc_close, 93 bta_gattc_close_fail, 94 bta_gattc_read, 95 bta_gattc_write, 96 97 bta_gattc_op_cmpl, 98 bta_gattc_search, 99 bta_gattc_fail, 100 bta_gattc_confirm, 101 bta_gattc_execute, 102 bta_gattc_read_multi, 103 bta_gattc_ci_open, 104 bta_gattc_ci_load, 105 bta_gattc_ci_save, 106 bta_gattc_cache_open, 107 bta_gattc_ignore_op_cmpl, 108 bta_gattc_disc_close, 109 bta_gattc_restart_discover 110}; 111 112 113/* state table information */ 114#define BTA_GATTC_ACTIONS 1 /* number of actions */ 115#define BTA_GATTC_NEXT_STATE 1 /* position of next state */ 116#define BTA_GATTC_NUM_COLS 2 /* number of columns in state tables */ 117 118/* state table for idle state */ 119static const UINT8 bta_gattc_st_idle[][BTA_GATTC_NUM_COLS] = 120{ 121/* Event Action 1 Next state */ 122/* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, BTA_GATTC_W4_CONN_ST}, 123/* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 124/* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 125/* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 126 127/* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, 128/* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, 129/* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, 130 131/* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_CLOSE_FAIL, BTA_GATTC_IDLE_ST}, 132 133/* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, 134/* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, 135/* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, 136/* BTA_GATTC_API_REFRESH_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 137 138/* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_CONN, BTA_GATTC_CONN_ST}, 139/* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 140/* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 141/* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 142/* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 143 144 145/* ===> for cache loading, saving */ 146/* BTA_GATTC_START_CACHE_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 147/* BTA_GATTC_CI_CACHE_OPEN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 148/* BTA_GATTC_CI_CACHE_LOAD_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, 149/* BTA_GATTC_CI_CACHE_SAVE_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST} 150}; 151 152/* state table for wait for open state */ 153static const UINT8 bta_gattc_st_w4_conn[][BTA_GATTC_NUM_COLS] = 154{ 155/* Event Action 1 Next state */ 156/* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, BTA_GATTC_W4_CONN_ST}, 157/* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_OPEN_FAIL, BTA_GATTC_IDLE_ST}, 158/* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_CANCEL_OPEN, BTA_GATTC_W4_CONN_ST}, 159/* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_CANCEL_OPEN_OK, BTA_GATTC_IDLE_ST}, 160 161/* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST}, 162/* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST}, 163/* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST}, 164 165/* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_CLOSE_FAIL, BTA_GATTC_W4_CONN_ST}, 166 167/* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST}, 168/* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST}, 169/* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST}, 170/* BTA_GATTC_API_REFRESH_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST}, 171 172/* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_CONN, BTA_GATTC_CONN_ST}, 173/* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST}, 174/* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST}, 175/* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST}, 176/* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST}, 177 178/* ===> for cache loading, saving */ 179/* BTA_GATTC_START_CACHE_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST}, 180/* BTA_GATTC_CI_CACHE_OPEN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST}, 181/* BTA_GATTC_CI_CACHE_LOAD_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST}, 182/* BTA_GATTC_CI_CACHE_SAVE_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST} 183}; 184 185/* state table for open state */ 186static const UINT8 bta_gattc_st_connected[][BTA_GATTC_NUM_COLS] = 187{ 188/* Event Action 1 Next state */ 189/* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN_ERROR, BTA_GATTC_CONN_ST}, 190/* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST}, 191/* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_CANCEL_OPEN_ERROR, BTA_GATTC_CONN_ST}, 192/* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST}, 193 194/* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_READ, BTA_GATTC_CONN_ST}, 195/* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_WRITE, BTA_GATTC_CONN_ST}, 196/* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_EXEC, BTA_GATTC_CONN_ST}, 197 198/* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST}, 199 200/* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_SEARCH, BTA_GATTC_CONN_ST}, 201/* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_CONFIRM, BTA_GATTC_CONN_ST}, 202/* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_READ_MULTI, BTA_GATTC_CONN_ST}, 203/* BTA_GATTC_API_REFRESH_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST}, 204 205/* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST}, 206/* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_START_DISCOVER, BTA_GATTC_DISCOVER_ST}, 207/* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST}, 208/* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_OP_CMPL, BTA_GATTC_CONN_ST}, 209 210/* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST}, 211 212/* ===> for cache loading, saving */ 213/* BTA_GATTC_START_CACHE_EVT */ {BTA_GATTC_CACHE_OPEN, BTA_GATTC_DISCOVER_ST}, 214/* BTA_GATTC_CI_CACHE_OPEN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST}, 215/* BTA_GATTC_CI_CACHE_LOAD_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST}, 216/* BTA_GATTC_CI_CACHE_SAVE_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST} 217}; 218 219/* state table for discover state */ 220static const UINT8 bta_gattc_st_discover[][BTA_GATTC_NUM_COLS] = 221{ 222/* Event Action 1 Next state */ 223/* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN_ERROR, BTA_GATTC_DISCOVER_ST}, 224/* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_DISCOVER_ST}, 225/* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_CANCEL_OPEN_ERROR, BTA_GATTC_DISCOVER_ST}, 226/* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_DISCOVER_ST}, 227 228/* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST}, 229/* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST}, 230/* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST}, 231 232/* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_DISC_CLOSE, BTA_GATTC_DISCOVER_ST}, 233 234/* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST}, 235/* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_CONFIRM, BTA_GATTC_DISCOVER_ST}, 236/* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST}, 237/* BTA_GATTC_API_REFRESH_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_DISCOVER_ST}, 238 239/* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_DISCOVER_ST}, 240/* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_RESTART_DISCOVER, BTA_GATTC_DISCOVER_ST}, 241/* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_DISC_CMPL, BTA_GATTC_CONN_ST}, 242/* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_IGNORE_OP_CMPL, BTA_GATTC_DISCOVER_ST}, 243/* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST}, 244 245/* ===> for cache loading, saving */ 246/* BTA_GATTC_START_CACHE_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_DISCOVER_ST}, 247/* BTA_GATTC_CI_CACHE_OPEN_EVT */ {BTA_GATTC_CI_OPEN, BTA_GATTC_DISCOVER_ST}, 248/* BTA_GATTC_CI_CACHE_LOAD_EVT */ {BTA_GATTC_CI_LOAD, BTA_GATTC_DISCOVER_ST}, 249/* BTA_GATTC_CI_CACHE_SAVE_EVT */ {BTA_GATTC_CI_SAVE, BTA_GATTC_DISCOVER_ST} 250}; 251 252/* type for state table */ 253typedef const UINT8 (*tBTA_GATTC_ST_TBL)[BTA_GATTC_NUM_COLS]; 254 255/* state table */ 256const tBTA_GATTC_ST_TBL bta_gattc_st_tbl[] = 257{ 258 bta_gattc_st_idle, 259 bta_gattc_st_w4_conn, 260 bta_gattc_st_connected, 261 bta_gattc_st_discover 262}; 263 264/***************************************************************************** 265** Global data 266*****************************************************************************/ 267 268/* GATTC control block */ 269#if BTA_DYNAMIC_MEMORY == FALSE 270tBTA_GATTC_CB bta_gattc_cb; 271#endif 272 273#if BTA_GATT_DEBUG == TRUE 274static char *gattc_evt_code(tBTA_GATTC_INT_EVT evt_code); 275static char *gattc_state_code(tBTA_GATTC_STATE state_code); 276#endif 277 278/******************************************************************************* 279** 280** Function bta_gattc_sm_execute 281** 282** Description State machine event handling function for GATTC 283** 284** 285** Returns void 286** 287*******************************************************************************/ 288void bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data) 289{ 290 tBTA_GATTC_ST_TBL state_table; 291 UINT8 action; 292 int i; 293#if BTA_GATT_DEBUG == TRUE 294 tBTA_GATTC_STATE in_state = p_clcb->state; 295 UINT16 in_event = event; 296 APPL_TRACE_DEBUG4("bta_gattc_sm_execute: State 0x%02x [%s], Event 0x%x[%s]", in_state, 297 gattc_state_code(in_state), 298 in_event, 299 gattc_evt_code(in_event)); 300#endif 301 302 303 /* look up the state table for the current state */ 304 state_table = bta_gattc_st_tbl[p_clcb->state]; 305 306 event &= 0x00FF; 307 308 /* set next state */ 309 p_clcb->state = state_table[event][BTA_GATTC_NEXT_STATE]; 310 311 /* execute action functions */ 312 for (i = 0; i < BTA_GATTC_ACTIONS; i++) 313 { 314 if ((action = state_table[event][i]) != BTA_GATTC_IGNORE) 315 { 316 (*bta_gattc_action[action])(p_clcb, p_data); 317 } 318 else 319 { 320 break; 321 } 322 } 323 324#if BTA_GATT_DEBUG == TRUE 325 if (in_state != p_clcb->state) 326 { 327 APPL_TRACE_DEBUG3("GATTC State Change: [%s] -> [%s] after Event [%s]", 328 gattc_state_code(in_state), 329 gattc_state_code(p_clcb->state), 330 gattc_evt_code(in_event)); 331 } 332#endif 333} 334 335/******************************************************************************* 336** 337** Function bta_gattc_hdl_event 338** 339** Description GATT client main event handling function. 340** 341** 342** Returns void 343** 344*******************************************************************************/ 345BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg) 346{ 347 tBTA_GATTC_CB *p_cb = &bta_gattc_cb; 348 tBTA_GATTC_CLCB *p_clcb = NULL; 349 350#if BTA_GATT_DEBUG == TRUE 351 APPL_TRACE_DEBUG1("bta_gattc_hdl_event: Event [%s]", gattc_evt_code(p_msg->event)); 352#endif 353 switch (p_msg->event) 354 { 355 case BTA_GATTC_API_REG_EVT: 356 bta_gattc_register(p_cb, (tBTA_GATTC_DATA *) p_msg); 357 break; 358 359 case BTA_GATTC_INT_START_IF_EVT: 360 bta_gattc_start_if(p_cb, (tBTA_GATTC_DATA *) p_msg); 361 break; 362 363 case BTA_GATTC_API_DEREG_EVT: 364 bta_gattc_deregister(p_cb, (tBTA_GATTC_DATA *) p_msg); 365 break; 366 367 case BTA_GATTC_INT_DEREG_EVT: 368 bta_gattc_int_deregister(p_cb, (tBTA_GATTC_DATA *) p_msg); 369 break; 370 371 case BTA_GATTC_API_OPEN_EVT: 372 bta_gattc_process_api_open(p_cb, (tBTA_GATTC_DATA *) p_msg); 373 break; 374 375 case BTA_GATTC_API_CANCEL_OPEN_EVT: 376 bta_gattc_process_api_open_cancel(p_cb, (tBTA_GATTC_DATA *) p_msg); 377 break; 378 379 case BTA_GATTC_API_REFRESH_EVT: 380 bta_gattc_process_api_refresh(p_cb, (tBTA_GATTC_DATA *) p_msg); 381 break; 382 383 default: 384 if ((p_clcb = bta_gattc_find_clcb_by_conn_id(p_msg->layer_specific)) 385 != NULL) 386 { 387 bta_gattc_sm_execute(p_clcb, p_msg->event, (tBTA_GATTC_DATA *) p_msg); 388 } 389 else 390 { 391 APPL_TRACE_ERROR1("Unknown conn ID: %d", p_msg->layer_specific); 392 } 393 394 break; 395 } 396 397 398 return(TRUE); 399} 400 401 402/***************************************************************************** 403** Debug Functions 404*****************************************************************************/ 405#if BTA_GATT_DEBUG == TRUE 406 407/******************************************************************************* 408** 409** Function gattc_evt_code 410** 411** Description 412** 413** Returns void 414** 415*******************************************************************************/ 416static char *gattc_evt_code(tBTA_GATTC_INT_EVT evt_code) 417{ 418 switch (evt_code) 419 { 420 case BTA_GATTC_API_OPEN_EVT: 421 return "BTA_GATTC_API_OPEN_EVT"; 422 case BTA_GATTC_INT_OPEN_FAIL_EVT: 423 return "BTA_GATTC_INT_OPEN_FAIL_EVT"; 424 case BTA_GATTC_API_CANCEL_OPEN_EVT: 425 return "BTA_GATTC_API_CANCEL_OPEN_EVT"; 426 case BTA_GATTC_INT_CANCEL_OPEN_OK_EVT: 427 return "BTA_GATTC_INT_CANCEL_OPEN_OK_EVT"; 428 case BTA_GATTC_API_READ_EVT: 429 return "BTA_GATTC_API_READ_EVT"; 430 case BTA_GATTC_API_WRITE_EVT: 431 return "BTA_GATTC_API_WRITE_EVT"; 432 case BTA_GATTC_API_EXEC_EVT: 433 return "BTA_GATTC_API_EXEC_EVT"; 434 case BTA_GATTC_API_CLOSE_EVT: 435 return "BTA_GATTC_API_CLOSE_EVT"; 436 case BTA_GATTC_API_SEARCH_EVT: 437 return "BTA_GATTC_API_SEARCH_EVT"; 438 case BTA_GATTC_API_CONFIRM_EVT: 439 return "BTA_GATTC_API_CONFIRM_EVT"; 440 case BTA_GATTC_API_READ_MULTI_EVT: 441 return "BTA_GATTC_API_READ_MULTI_EVT"; 442 case BTA_GATTC_INT_CONN_EVT: 443 return "BTA_GATTC_INT_CONN_EVT"; 444 case BTA_GATTC_INT_DISCOVER_EVT: 445 return "BTA_GATTC_INT_DISCOVER_EVT"; 446 case BTA_GATTC_DISCOVER_CMPL_EVT: 447 return "BTA_GATTC_DISCOVER_CMPL_EVT"; 448 case BTA_GATTC_OP_CMPL_EVT: 449 return "BTA_GATTC_OP_CMPL_EVT"; 450 case BTA_GATTC_INT_DISCONN_EVT: 451 return "BTA_GATTC_INT_DISCONN_EVT"; 452 case BTA_GATTC_START_CACHE_EVT: 453 return "BTA_GATTC_START_CACHE_EVT"; 454 case BTA_GATTC_CI_CACHE_OPEN_EVT: 455 return "BTA_GATTC_CI_CACHE_OPEN_EVT"; 456 case BTA_GATTC_CI_CACHE_LOAD_EVT: 457 return "BTA_GATTC_CI_CACHE_LOAD_EVT"; 458 case BTA_GATTC_CI_CACHE_SAVE_EVT: 459 return "BTA_GATTC_CI_CACHE_SAVE_EVT"; 460 case BTA_GATTC_INT_START_IF_EVT: 461 return "BTA_GATTC_INT_START_IF_EVT"; 462 case BTA_GATTC_API_REG_EVT: 463 return "BTA_GATTC_API_REG_EVT"; 464 case BTA_GATTC_API_DEREG_EVT: 465 return "BTA_GATTC_API_DEREG_EVT"; 466 case BTA_GATTC_API_REFRESH_EVT: 467 return "BTA_GATTC_API_REFRESH_EVT"; 468 default: 469 return "unknown GATTC event code"; 470 } 471} 472 473/******************************************************************************* 474** 475** Function gattc_state_code 476** 477** Description 478** 479** Returns void 480** 481*******************************************************************************/ 482static char *gattc_state_code(tBTA_GATTC_STATE state_code) 483{ 484 switch (state_code) 485 { 486 case BTA_GATTC_IDLE_ST: 487 return "GATTC_IDLE_ST"; 488 case BTA_GATTC_W4_CONN_ST: 489 return "GATTC_W4_CONN_ST"; 490 case BTA_GATTC_CONN_ST: 491 return "GATTC_CONN_ST"; 492 case BTA_GATTC_DISCOVER_ST: 493 return "GATTC_DISCOVER_ST"; 494 default: 495 return "unknown GATTC state code"; 496 } 497} 498 499#endif /* Debug Functions */ 500#endif /* BTA_GATT_INCLUDED */ 501