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_set_afhchannels, /* 4 BTA_DM_API_SET_AFH_CHANNELS_EVT */ 56 bta_dm_signal_strength, /* 5 BTA_API_DM_SIG_STRENGTH_EVT */ 57 bta_dm_vendor_spec_command,/* 6 BTA_DM_API_VENDOR_SPECIFIC_COMMAND_EVT */ 58 bta_dm_tx_inqpower, /* 7 BTA_DM_API_SIG_STRENGTH_EVT */ 59 bta_dm_acl_change, /* 8 BTA_DM_ACL_CHANGE_EVT */ 60 bta_dm_add_device, /* 9 BTA_DM_API_ADD_DEVICE_EVT */ 61 bta_dm_close_acl, /* 10 BTA_DM_API_ADD_DEVICE_EVT */ 62 63 /* security API events */ 64 bta_dm_bond, /* 11 BTA_DM_API_BOND_EVT */ 65 bta_dm_bond_cancel, /* 12 BTA_DM_API_BOND_CANCEL_EVT */ 66 bta_dm_pin_reply, /* 13 BTA_DM_API_PIN_REPLY_EVT */ 67 bta_dm_link_policy, /* 14 BTA_DM_API_LINK_POLICY_EVT */ 68 bta_dm_auth_reply, /* 15 BTA_DM_API_AUTH_REPLY_EVT */ 69 70 /* power manger events */ 71 bta_dm_pm_btm_status, /* 16 BTA_DM_PM_BTM_STATUS_EVT */ 72 bta_dm_pm_timer, /* 17 BTA_DM_PM_TIMER_EVT*/ 73 74 /* simple pairing events */ 75 bta_dm_confirm, /* 18 BTA_DM_API_CONFIRM_EVT */ 76 77 bta_dm_set_encryption, /* BTA_DM_API_SET_ENCRYPTION_EVT */ 78 79 #if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE) 80 bta_dm_passkey_cancel, /* 19 BTA_DM_API_PASKY_CANCEL_EVT */ 81 #endif 82 #if (BTM_OOB_INCLUDED == TRUE) 83 bta_dm_loc_oob, /* 20 BTA_DM_API_LOC_OOB_EVT */ 84 bta_dm_ci_io_req_act, /* 21 BTA_DM_CI_IO_REQ_EVT */ 85 bta_dm_ci_rmt_oob_act, /* 22 BTA_DM_CI_RMT_OOB_EVT */ 86 #endif /* BTM_OOB_INCLUDED */ 87 88 bta_dm_remove_device, /* BTA_DM_API_REMOVE_DEVICE_EVT */ 89 90 #if BLE_INCLUDED == TRUE 91 bta_dm_add_blekey, /* BTA_DM_API_ADD_BLEKEY_EVT */ 92 bta_dm_add_ble_device, /* BTA_DM_API_ADD_BLEDEVICE_EVT */ 93 bta_dm_ble_passkey_reply, /* BTA_DM_API_BLE_PASSKEY_REPLY_EVT */ 94 bta_dm_security_grant, 95 bta_dm_ble_set_bg_conn_type, 96 bta_dm_ble_set_conn_params, /* BTA_DM_API_BLE_CONN_PARAM_EVT */ 97 bta_dm_ble_set_scan_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */ 98 bta_dm_ble_observe, 99 bta_dm_ble_update_conn_params, /* BTA_DM_API_UPDATE_CONN_PARAM_EVT */ 100 #if BLE_PRIVACY_SPT == TRUE 101 bta_dm_ble_config_local_privacy, /* BTA_DM_API_LOCAL_PRIVACY_EVT */ 102 #endif 103 bta_dm_ble_set_adv_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */ 104 bta_dm_ble_set_adv_config, /* BTA_DM_API_BLE_SET_ADV_CONFIG_EVT */ 105 bta_dm_ble_set_scan_rsp, /* BTA_DM_API_BLE_SET_SCAN_RSP_EVT */ 106 bta_dm_ble_broadcast, /* BTA_DM_API_BLE_BROADCAST_EVT */ 107 #if BLE_ANDROID_CONTROLLER_SCAN_FILTER == TRUE 108 bta_dm_cfg_filter_cond, /* BTA_DM_API_CFG_FILTER_COND_EVT */ 109 bta_dm_scan_filter_param_setup, /* BTA_DM_API_SCAN_FILTER_SETUP_EVT */ 110 bta_dm_enable_scan_filter, /* BTA_DM_API_SCAN_FILTER_ENABLE_EVT */ 111 #endif 112 bta_dm_ble_multi_adv_enb, /* BTA_DM_API_BLE_MULTI_ADV_ENB_EVT*/ 113 bta_dm_ble_multi_adv_upd_param, /* BTA_DM_API_BLE_MULTI_ADV_PARAM_UPD_EVT */ 114 bta_dm_ble_multi_adv_data, /* BTA_DM_API_BLE_MULTI_ADV_DATA_EVT */ 115 btm_dm_ble_multi_adv_disable, /* BTA_DM_API_BLE_MULTI_ADV_DISABLE_EVT */ 116 bta_dm_ble_setup_storage, /* BTA_DM_API_BLE_SETUP_STORAGE_EVT */ 117 bta_dm_ble_enable_batch_scan, /* BTA_DM_API_BLE_ENABLE_BATCH_SCAN_EVT */ 118 bta_dm_ble_disable_batch_scan, /* BTA_DM_API_BLE_DISABLE_BATCH_SCAN_EVT */ 119 bta_dm_ble_read_scan_reports, /* BTA_DM_API_BLE_READ_SCAN_REPORTS_EVT */ 120 bta_dm_ble_track_advertiser, /* BTA_DM_API_BLE_TRACK_ADVERTISER_EVT */ 121 bta_dm_ble_get_energy_info, /* BTA_DM_API_BLE_ENERGY_INFO_EVT */ 122 #endif 123 124 #if ( BTM_EIR_SERVER_INCLUDED == TRUE )&&( BTA_EIR_CANNED_UUID_LIST != TRUE )&&(BTA_EIR_SERVER_NUM_CUSTOM_UUID > 0) 125 bta_dm_update_eir_uuid, /* BTA_DM_API_UPDATE_EIR_UUID_EVT */ 126 #endif 127 #if (BTM_EIR_SERVER_INCLUDED == TRUE) 128 bta_dm_set_eir_config, /* BTA_DM_API_SET_EIR_CONFIG_EVT */ 129 #endif 130 131 bta_dm_enable_test_mode, /* BTA_DM_API_ENABLE_TEST_MODE_EVT */ 132 bta_dm_disable_test_mode, /* BTA_DM_API_DISABLE_TEST_MODE_EVT */ 133 bta_dm_execute_callback, /* BTA_DM_API_EXECUTE_CBACK_EVT */ 134 bta_dm_set_afh_channel_assesment /* BTA_DM_API_SET_AFH_CHANNEL_ASSESMENT_EVT */ 135 }; 136 137 138 139 /* state machine action enumeration list */ 140 enum 141 { 142 BTA_DM_API_SEARCH, /* 0 bta_dm_search_start */ 143 BTA_DM_API_SEARCH_CANCEL, /* 1 bta_dm_search_cancel */ 144 BTA_DM_API_DISCOVER, /* 2 bta_dm_discover */ 145 BTA_DM_INQUIRY_CMPL, /* 3 bta_dm_inq_cmpl */ 146 BTA_DM_REMT_NAME, /* 4 bta_dm_rmt_name */ 147 BTA_DM_SDP_RESULT, /* 5 bta_dm_sdp_result */ 148 BTA_DM_SEARCH_CMPL, /* 6 bta_dm_search_cmpl*/ 149 BTA_DM_FREE_SDP_DB, /* 7 bta_dm_free_sdp_db */ 150 BTA_DM_DISC_RESULT, /* 8 bta_dm_disc_result */ 151 BTA_DM_SEARCH_RESULT, /* 9 bta_dm_search_result */ 152 BTA_DM_QUEUE_SEARCH, /* 10 bta_dm_queue_search */ 153 BTA_DM_QUEUE_DISC, /* 11 bta_dm_queue_disc */ 154 BTA_DM_SEARCH_CLEAR_QUEUE, /* 12 bta_dm_search_clear_queue */ 155 BTA_DM_SEARCH_CANCEL_CMPL, /* 13 bta_dm_search_cancel_cmpl */ 156 BTA_DM_SEARCH_CANCEL_NOTIFY, /* 14 bta_dm_search_cancel_notify */ 157 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, /* 15 bta_dm_search_cancel_transac_cmpl */ 158 BTA_DM_DISC_RMT_NAME, /* 16 bta_dm_disc_rmt_name */ 159 BTA_DM_API_DI_DISCOVER, /* 17 bta_dm_di_disc */ 160 #if BLE_INCLUDED == TRUE 161 BTA_DM_CLOSE_GATT_CONN, /* 18 bta_dm_close_gatt_conn */ 162 #endif 163 BTA_DM_SEARCH_NUM_ACTIONS /* 19 */ 164 }; 165 166 167 /* action function list */ 168 const tBTA_DM_ACTION bta_dm_search_action[] = 169 { 170 171 bta_dm_search_start, /* 0 BTA_DM_API_SEARCH */ 172 bta_dm_search_cancel, /* 1 BTA_DM_API_SEARCH_CANCEL */ 173 bta_dm_discover, /* 2 BTA_DM_API_DISCOVER */ 174 bta_dm_inq_cmpl, /* 3 BTA_DM_INQUIRY_CMPL */ 175 bta_dm_rmt_name, /* 4 BTA_DM_REMT_NAME */ 176 bta_dm_sdp_result, /* 5 BTA_DM_SDP_RESULT */ 177 bta_dm_search_cmpl, /* 6 BTA_DM_SEARCH_CMPL */ 178 bta_dm_free_sdp_db, /* 7 BTA_DM_FREE_SDP_DB */ 179 bta_dm_disc_result, /* 8 BTA_DM_DISC_RESULT */ 180 bta_dm_search_result, /* 9 BTA_DM_SEARCH_RESULT */ 181 bta_dm_queue_search, /* 10 BTA_DM_QUEUE_SEARCH */ 182 bta_dm_queue_disc, /* 11 BTA_DM_QUEUE_DISC */ 183 bta_dm_search_clear_queue, /* 12 BTA_DM_SEARCH_CLEAR_QUEUE */ 184 bta_dm_search_cancel_cmpl, /* 13 BTA_DM_SEARCH_CANCEL_CMPL */ 185 bta_dm_search_cancel_notify, /* 14 BTA_DM_SEARCH_CANCEL_NOTIFY */ 186 bta_dm_search_cancel_transac_cmpl, /* 15 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL */ 187 bta_dm_disc_rmt_name, /* 16 BTA_DM_DISC_RMT_NAME */ 188 bta_dm_di_disc /* 17 BTA_DM_API_DI_DISCOVER */ 189 #if BLE_INCLUDED == TRUE 190 ,bta_dm_close_gatt_conn 191 #endif 192 }; 193 194 #define BTA_DM_SEARCH_IGNORE BTA_DM_SEARCH_NUM_ACTIONS 195 /* state table information */ 196 #define BTA_DM_SEARCH_ACTIONS 2 /* number of actions */ 197 #define BTA_DM_SEARCH_NEXT_STATE 2 /* position of next state */ 198 #define BTA_DM_SEARCH_NUM_COLS 3 /* number of columns in state tables */ 199 200 201 202 /* state table for listen state */ 203 const UINT8 bta_dm_search_idle_st_table[][BTA_DM_SEARCH_NUM_COLS] = 204 { 205 206 /* Event Action 1 Action 2 Next State */ 207 /* API_SEARCH */ {BTA_DM_API_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 208 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 209 /* API_SEARCH_DISC */ {BTA_DM_API_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 210 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 211 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 212 /* SDP_RESULT_EVT */ {BTA_DM_FREE_SDP_DB, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 213 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 214 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 215 /* API_DI_DISCOVER_EVT */ {BTA_DM_API_DI_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 216 #if BLE_INCLUDED == TRUE 217 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_CLOSE_GATT_CONN, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE} 218 #endif 219 220 }; 221 const UINT8 bta_dm_search_search_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = 222 { 223 224 /* Event Action 1 Action 2 Next State */ 225 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 226 /* API_SEARCH_CANCEL */ {BTA_DM_API_SEARCH_CANCEL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 227 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 228 /* INQUIRY_CMPL */ {BTA_DM_INQUIRY_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 229 /* REMT_NAME_EVT */ {BTA_DM_REMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 230 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 231 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 232 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 233 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 234 235 #if BLE_INCLUDED == TRUE 236 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 237 #endif 238 239 }; 240 241 const UINT8 bta_dm_search_search_cancelling_st_table[][BTA_DM_SEARCH_NUM_COLS] = 242 { 243 244 /* Event Action 1 Action 2 Next State */ 245 /* API_SEARCH */ {BTA_DM_QUEUE_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 246 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CLEAR_QUEUE, BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_CANCELLING}, 247 /* API_SEARCH_DISC */ {BTA_DM_QUEUE_DISC, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 248 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 249 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 250 /* SDP_RESULT_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 251 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 252 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 253 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING} 254 255 #if BLE_INCLUDED == TRUE 256 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING} 257 #endif 258 259 }; 260 261 const UINT8 bta_dm_search_disc_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = 262 { 263 264 /* Event Action 1 Action 2 Next State */ 265 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 266 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 267 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 268 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 269 /* REMT_NAME_EVT */ {BTA_DM_DISC_RMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 270 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 271 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 272 /* DISCV_RES_EVT */ {BTA_DM_DISC_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 273 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE} 274 275 #if BLE_INCLUDED == TRUE 276 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE} 277 #endif 278 279 }; 280 281 typedef const UINT8 (*tBTA_DM_ST_TBL)[BTA_DM_SEARCH_NUM_COLS]; 282 283 /* state table */ 284 const tBTA_DM_ST_TBL bta_dm_search_st_tbl[] = { 285 bta_dm_search_idle_st_table, 286 bta_dm_search_search_active_st_table, 287 bta_dm_search_search_cancelling_st_table, 288 bta_dm_search_disc_active_st_table 289 }; 290 291 292 /******************************************************************************* 293 ** 294 ** Function bta_dm_sm_disable 295 ** 296 ** Description unregister BTA DM 297 ** 298 ** 299 ** Returns void 300 ** 301 *******************************************************************************/ 302 void bta_dm_sm_disable( ) 303 { 304 bta_sys_deregister( BTA_ID_DM ); 305 } 306 307 308 /******************************************************************************* 309 ** 310 ** Function bta_dm_sm_execute 311 ** 312 ** Description State machine event handling function for DM 313 ** 314 ** 315 ** Returns void 316 ** 317 *******************************************************************************/ 318 BOOLEAN bta_dm_sm_execute(BT_HDR *p_msg) 319 { 320 UINT16 event = p_msg->event & 0x00ff; 321 322 APPL_TRACE_EVENT("bta_dm_sm_execute event:0x%x", event); 323 324 /* execute action functions */ 325 if(event < BTA_DM_NUM_ACTIONS) 326 { 327 (*bta_dm_action[event])( (tBTA_DM_MSG*) p_msg); 328 } 329 330 return TRUE; 331 } 332 333 /******************************************************************************* 334 ** 335 ** Function bta_dm_sm_search_disable 336 ** 337 ** Description unregister BTA SEARCH DM 338 ** 339 ** 340 ** Returns void 341 ** 342 *******************************************************************************/ 343 void bta_dm_search_sm_disable( ) 344 { 345 bta_sys_deregister( BTA_ID_DM_SEARCH ); 346 347 } 348 349 350 /******************************************************************************* 351 ** 352 ** Function bta_dm_search_sm_execute 353 ** 354 ** Description State machine event handling function for DM 355 ** 356 ** 357 ** Returns void 358 ** 359 *******************************************************************************/ 360 BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg) 361 { 362 tBTA_DM_ST_TBL state_table; 363 UINT8 action; 364 int i; 365 366 APPL_TRACE_EVENT("bta_dm_search_sm_execute state:%d, event:0x%x", 367 bta_dm_search_cb.state, p_msg->event); 368 369 /* look up the state table for the current state */ 370 state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state]; 371 372 bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE]; 373 374 375 /* execute action functions */ 376 for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++) 377 { 378 if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE) 379 { 380 (*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg); 381 } 382 else 383 { 384 break; 385 } 386 } 387 return TRUE; 388 } 389 390
