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 main implementation file for the BTA device manager. 22 * 23 ******************************************************************************/ 24 25#include "bta_api.h" 26#include "bta_sys.h" 27#include "bta_dm_int.h" 28 29 30/***************************************************************************** 31** Constants and types 32*****************************************************************************/ 33 34#if BTA_DYNAMIC_MEMORY == FALSE 35tBTA_DM_CB bta_dm_cb; 36tBTA_DM_SEARCH_CB bta_dm_search_cb; 37tBTA_DM_DI_CB bta_dm_di_cb; 38#endif 39 40 41#define BTA_DM_NUM_ACTIONS (BTA_DM_MAX_EVT & 0x00ff) 42 43/* type for action functions */ 44typedef void (*tBTA_DM_ACTION)(tBTA_DM_MSG *p_data); 45 46/* action function list */ 47const tBTA_DM_ACTION bta_dm_action[] = 48{ 49 50 /* device manager local device API events */ 51 bta_dm_enable, /* 0 BTA_DM_API_ENABLE_EVT */ 52 bta_dm_disable, /* 1 BTA_DM_API_DISABLE_EVT */ 53 bta_dm_set_dev_name, /* 2 BTA_DM_API_SET_NAME_EVT */ 54 bta_dm_set_visibility, /* 3 BTA_DM_API_SET_VISIBILITY_EVT */ 55 bta_dm_acl_change, /* 8 BTA_DM_ACL_CHANGE_EVT */ 56 bta_dm_add_device, /* 9 BTA_DM_API_ADD_DEVICE_EVT */ 57 bta_dm_close_acl, /* 10 BTA_DM_API_ADD_DEVICE_EVT */ 58 59 /* security API events */ 60 bta_dm_bond, /* 11 BTA_DM_API_BOND_EVT */ 61 bta_dm_bond_cancel, /* 12 BTA_DM_API_BOND_CANCEL_EVT */ 62 bta_dm_pin_reply, /* 13 BTA_DM_API_PIN_REPLY_EVT */ 63 64 /* power manger events */ 65 bta_dm_pm_btm_status, /* 16 BTA_DM_PM_BTM_STATUS_EVT */ 66 bta_dm_pm_timer, /* 17 BTA_DM_PM_TIMER_EVT*/ 67 68 /* simple pairing events */ 69 bta_dm_confirm, /* 18 BTA_DM_API_CONFIRM_EVT */ 70 71 bta_dm_set_encryption, /* BTA_DM_API_SET_ENCRYPTION_EVT */ 72 73#if (BTM_OOB_INCLUDED == TRUE) 74 bta_dm_loc_oob, /* 20 BTA_DM_API_LOC_OOB_EVT */ 75 bta_dm_ci_io_req_act, /* 21 BTA_DM_CI_IO_REQ_EVT */ 76 bta_dm_ci_rmt_oob_act, /* 22 BTA_DM_CI_RMT_OOB_EVT */ 77#endif /* BTM_OOB_INCLUDED */ 78 79 80#if BLE_INCLUDED == TRUE 81 bta_dm_add_blekey, /* BTA_DM_API_ADD_BLEKEY_EVT */ 82 bta_dm_add_ble_device, /* BTA_DM_API_ADD_BLEDEVICE_EVT */ 83 bta_dm_ble_passkey_reply, /* BTA_DM_API_BLE_PASSKEY_REPLY_EVT */ 84 bta_dm_ble_confirm_reply, /* BTA_DM_API_BLE_CONFIRM_REPLY_EVT */ 85 bta_dm_security_grant, 86 bta_dm_ble_set_bg_conn_type, 87 bta_dm_ble_set_conn_params, /* BTA_DM_API_BLE_CONN_PARAM_EVT */ 88 bta_dm_ble_set_conn_scan_params, /* BTA_DM_API_BLE_CONN_SCAN_PARAM_EVT */ 89 bta_dm_ble_set_scan_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */ 90 bta_dm_ble_observe, 91 bta_dm_ble_update_conn_params, /* BTA_DM_API_UPDATE_CONN_PARAM_EVT */ 92#if BLE_PRIVACY_SPT == TRUE 93 bta_dm_ble_config_local_privacy, /* BTA_DM_API_LOCAL_PRIVACY_EVT */ 94#endif 95 bta_dm_ble_set_adv_params, /* BTA_DM_API_BLE_ADV_PARAM_EVT */ 96 bta_dm_ble_set_adv_config, /* BTA_DM_API_BLE_SET_ADV_CONFIG_EVT */ 97 bta_dm_ble_set_scan_rsp, /* BTA_DM_API_BLE_SET_SCAN_RSPT */ 98 bta_dm_ble_broadcast, /* BTA_DM_API_BLE_BROADCAST_EVT */ 99 bta_dm_ble_set_data_length, /* BTA_DM_API_SET_DATA_LENGTH_EVT */ 100#if BLE_ANDROID_CONTROLLER_SCAN_FILTER == TRUE 101 bta_dm_cfg_filter_cond, /* BTA_DM_API_CFG_FILTER_COND_EVT */ 102 bta_dm_scan_filter_param_setup, /* BTA_DM_API_SCAN_FILTER_SETUP_EVT */ 103 bta_dm_enable_scan_filter, /* BTA_DM_API_SCAN_FILTER_ENABLE_EVT */ 104#endif 105 bta_dm_ble_multi_adv_enb, /* BTA_DM_API_BLE_MULTI_ADV_ENB_EVT*/ 106 bta_dm_ble_multi_adv_upd_param, /* BTA_DM_API_BLE_MULTI_ADV_PARAM_UPD_EVT */ 107 bta_dm_ble_multi_adv_data, /* BTA_DM_API_BLE_MULTI_ADV_DATA_EVT */ 108 btm_dm_ble_multi_adv_disable, /* BTA_DM_API_BLE_MULTI_ADV_DISABLE_EVT */ 109 bta_dm_ble_setup_storage, /* BTA_DM_API_BLE_SETUP_STORAGE_EVT */ 110 bta_dm_ble_enable_batch_scan, /* BTA_DM_API_BLE_ENABLE_BATCH_SCAN_EVT */ 111 bta_dm_ble_disable_batch_scan, /* BTA_DM_API_BLE_DISABLE_BATCH_SCAN_EVT */ 112 bta_dm_ble_read_scan_reports, /* BTA_DM_API_BLE_READ_SCAN_REPORTS_EVT */ 113 bta_dm_ble_track_advertiser, /* BTA_DM_API_BLE_TRACK_ADVERTISER_EVT */ 114 bta_dm_ble_get_energy_info, /* BTA_DM_API_BLE_ENERGY_INFO_EVT */ 115#endif 116 117 bta_dm_enable_test_mode, /* BTA_DM_API_ENABLE_TEST_MODE_EVT */ 118 bta_dm_disable_test_mode, /* BTA_DM_API_DISABLE_TEST_MODE_EVT */ 119 bta_dm_execute_callback, /* BTA_DM_API_EXECUTE_CBACK_EVT */ 120 121 bta_dm_remove_all_acl, /* BTA_DM_API_REMOVE_ALL_ACL_EVT */ 122 bta_dm_remove_device, /* BTA_DM_API_REMOVE_DEVICE_EVT */ 123}; 124 125 126 127/* state machine action enumeration list */ 128enum 129{ 130 BTA_DM_API_SEARCH, /* 0 bta_dm_search_start */ 131 BTA_DM_API_SEARCH_CANCEL, /* 1 bta_dm_search_cancel */ 132 BTA_DM_API_DISCOVER, /* 2 bta_dm_discover */ 133 BTA_DM_INQUIRY_CMPL, /* 3 bta_dm_inq_cmpl */ 134 BTA_DM_REMT_NAME, /* 4 bta_dm_rmt_name */ 135 BTA_DM_SDP_RESULT, /* 5 bta_dm_sdp_result */ 136 BTA_DM_SEARCH_CMPL, /* 6 bta_dm_search_cmpl*/ 137 BTA_DM_FREE_SDP_DB, /* 7 bta_dm_free_sdp_db */ 138 BTA_DM_DISC_RESULT, /* 8 bta_dm_disc_result */ 139 BTA_DM_SEARCH_RESULT, /* 9 bta_dm_search_result */ 140 BTA_DM_QUEUE_SEARCH, /* 10 bta_dm_queue_search */ 141 BTA_DM_QUEUE_DISC, /* 11 bta_dm_queue_disc */ 142 BTA_DM_SEARCH_CLEAR_QUEUE, /* 12 bta_dm_search_clear_queue */ 143 BTA_DM_SEARCH_CANCEL_CMPL, /* 13 bta_dm_search_cancel_cmpl */ 144 BTA_DM_SEARCH_CANCEL_NOTIFY, /* 14 bta_dm_search_cancel_notify */ 145 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, /* 15 bta_dm_search_cancel_transac_cmpl */ 146 BTA_DM_DISC_RMT_NAME, /* 16 bta_dm_disc_rmt_name */ 147 BTA_DM_API_DI_DISCOVER, /* 17 bta_dm_di_disc */ 148#if BLE_INCLUDED == TRUE 149 BTA_DM_CLOSE_GATT_CONN, /* 18 bta_dm_close_gatt_conn */ 150#endif 151 BTA_DM_SEARCH_NUM_ACTIONS /* 19 */ 152}; 153 154 155/* action function list */ 156const tBTA_DM_ACTION bta_dm_search_action[] = 157{ 158 159 bta_dm_search_start, /* 0 BTA_DM_API_SEARCH */ 160 bta_dm_search_cancel, /* 1 BTA_DM_API_SEARCH_CANCEL */ 161 bta_dm_discover, /* 2 BTA_DM_API_DISCOVER */ 162 bta_dm_inq_cmpl, /* 3 BTA_DM_INQUIRY_CMPL */ 163 bta_dm_rmt_name, /* 4 BTA_DM_REMT_NAME */ 164 bta_dm_sdp_result, /* 5 BTA_DM_SDP_RESULT */ 165 bta_dm_search_cmpl, /* 6 BTA_DM_SEARCH_CMPL */ 166 bta_dm_free_sdp_db, /* 7 BTA_DM_FREE_SDP_DB */ 167 bta_dm_disc_result, /* 8 BTA_DM_DISC_RESULT */ 168 bta_dm_search_result, /* 9 BTA_DM_SEARCH_RESULT */ 169 bta_dm_queue_search, /* 10 BTA_DM_QUEUE_SEARCH */ 170 bta_dm_queue_disc, /* 11 BTA_DM_QUEUE_DISC */ 171 bta_dm_search_clear_queue, /* 12 BTA_DM_SEARCH_CLEAR_QUEUE */ 172 bta_dm_search_cancel_cmpl, /* 13 BTA_DM_SEARCH_CANCEL_CMPL */ 173 bta_dm_search_cancel_notify, /* 14 BTA_DM_SEARCH_CANCEL_NOTIFY */ 174 bta_dm_search_cancel_transac_cmpl, /* 15 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL */ 175 bta_dm_disc_rmt_name, /* 16 BTA_DM_DISC_RMT_NAME */ 176 bta_dm_di_disc /* 17 BTA_DM_API_DI_DISCOVER */ 177#if BLE_INCLUDED == TRUE 178 ,bta_dm_close_gatt_conn 179#endif 180}; 181 182#define BTA_DM_SEARCH_IGNORE BTA_DM_SEARCH_NUM_ACTIONS 183/* state table information */ 184#define BTA_DM_SEARCH_ACTIONS 2 /* number of actions */ 185#define BTA_DM_SEARCH_NEXT_STATE 2 /* position of next state */ 186#define BTA_DM_SEARCH_NUM_COLS 3 /* number of columns in state tables */ 187 188 189 190/* state table for listen state */ 191const UINT8 bta_dm_search_idle_st_table[][BTA_DM_SEARCH_NUM_COLS] = 192{ 193 194/* Event Action 1 Action 2 Next State */ 195/* API_SEARCH */ {BTA_DM_API_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 196/* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 197/* API_SEARCH_DISC */ {BTA_DM_API_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 198/* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 199/* REMT_NAME_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 200/* SDP_RESULT_EVT */ {BTA_DM_FREE_SDP_DB, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 201/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 202/* DISCV_RES_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 203/* API_DI_DISCOVER_EVT */ {BTA_DM_API_DI_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 204#if BLE_INCLUDED == TRUE 205/* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_CLOSE_GATT_CONN, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE} 206#endif 207}; 208const UINT8 bta_dm_search_search_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = 209{ 210 211/* Event Action 1 Action 2 Next State */ 212/* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 213/* API_SEARCH_CANCEL */ {BTA_DM_API_SEARCH_CANCEL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 214/* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 215/* INQUIRY_CMPL */ {BTA_DM_INQUIRY_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 216/* REMT_NAME_EVT */ {BTA_DM_REMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 217/* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 218/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 219/* DISCV_RES_EVT */ {BTA_DM_SEARCH_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 220/* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 221#if BLE_INCLUDED == TRUE 222/* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_CLOSE_GATT_CONN, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 223#endif 224 225}; 226 227const UINT8 bta_dm_search_search_cancelling_st_table[][BTA_DM_SEARCH_NUM_COLS] = 228{ 229 230/* Event Action 1 Action 2 Next State */ 231/* API_SEARCH */ {BTA_DM_QUEUE_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 232/* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CLEAR_QUEUE, BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_CANCELLING}, 233/* API_SEARCH_DISC */ {BTA_DM_QUEUE_DISC, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 234/* INQUIRY_CMPL */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 235/* REMT_NAME_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 236/* SDP_RESULT_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 237/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 238/* DISCV_RES_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 239/* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING} 240#if BLE_INCLUDED == TRUE 241/* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING} 242#endif 243 244}; 245 246const UINT8 bta_dm_search_disc_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = 247{ 248 249/* Event Action 1 Action 2 Next State */ 250/* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 251/* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 252/* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 253/* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 254/* REMT_NAME_EVT */ {BTA_DM_DISC_RMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 255/* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 256/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 257/* DISCV_RES_EVT */ {BTA_DM_DISC_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 258/* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE} 259 260#if BLE_INCLUDED == TRUE 261/* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE} 262#endif 263}; 264 265typedef const UINT8 (*tBTA_DM_ST_TBL)[BTA_DM_SEARCH_NUM_COLS]; 266 267/* state table */ 268const tBTA_DM_ST_TBL bta_dm_search_st_tbl[] = { 269 bta_dm_search_idle_st_table, 270 bta_dm_search_search_active_st_table, 271 bta_dm_search_search_cancelling_st_table, 272 bta_dm_search_disc_active_st_table 273}; 274 275 276/******************************************************************************* 277** 278** Function bta_dm_sm_disable 279** 280** Description unregister BTA DM 281** 282** 283** Returns void 284** 285*******************************************************************************/ 286void bta_dm_sm_disable( ) 287{ 288 bta_sys_deregister( BTA_ID_DM ); 289} 290 291 292/******************************************************************************* 293** 294** Function bta_dm_sm_execute 295** 296** Description State machine event handling function for DM 297** 298** 299** Returns void 300** 301*******************************************************************************/ 302BOOLEAN bta_dm_sm_execute(BT_HDR *p_msg) 303{ 304 UINT16 event = p_msg->event & 0x00ff; 305 306 APPL_TRACE_EVENT("bta_dm_sm_execute event:0x%x", event); 307 308 /* execute action functions */ 309 if(event < BTA_DM_NUM_ACTIONS) 310 { 311 (*bta_dm_action[event])( (tBTA_DM_MSG*) p_msg); 312 } 313 314 return TRUE; 315} 316 317/******************************************************************************* 318** 319** Function bta_dm_sm_search_disable 320** 321** Description unregister BTA SEARCH DM 322** 323** 324** Returns void 325** 326*******************************************************************************/ 327void bta_dm_search_sm_disable( ) 328{ 329 bta_sys_deregister( BTA_ID_DM_SEARCH ); 330 331} 332 333 334/******************************************************************************* 335** 336** Function bta_dm_search_sm_execute 337** 338** Description State machine event handling function for DM 339** 340** 341** Returns void 342** 343*******************************************************************************/ 344BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg) 345{ 346 tBTA_DM_ST_TBL state_table; 347 UINT8 action; 348 int i; 349 350 APPL_TRACE_EVENT("bta_dm_search_sm_execute state:%d, event:0x%x", 351 bta_dm_search_cb.state, p_msg->event); 352 353 /* look up the state table for the current state */ 354 state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state]; 355 356 bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE]; 357 358 359 /* execute action functions */ 360 for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++) 361 { 362 if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE) 363 { 364 (*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg); 365 } 366 else 367 { 368 break; 369 } 370 } 371 return TRUE; 372} 373 374