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