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_set_adv_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */ 100 bta_dm_ble_set_adv_config, /* BTA_DM_API_BLE_SET_ADV_CONFIG_EVT */ 101 bta_dm_ble_set_scan_rsp, /* BTA_DM_API_BLE_SET_SCAN_RSP_EVT */ 102 bta_dm_ble_broadcast, /* BTA_DM_API_BLE_BROADCAST_EVT */ 103 #endif 104 105 #if ( BTM_EIR_SERVER_INCLUDED == TRUE )&&( BTA_EIR_CANNED_UUID_LIST != TRUE )&&(BTA_EIR_SERVER_NUM_CUSTOM_UUID > 0) 106 bta_dm_update_eir_uuid, /* BTA_DM_API_UPDATE_EIR_UUID_EVT */ 107 #endif 108 #if (BTM_EIR_SERVER_INCLUDED == TRUE) 109 bta_dm_set_eir_config, /* BTA_DM_API_SET_EIR_CONFIG_EVT */ 110 #endif 111 112 bta_dm_enable_test_mode, /* BTA_DM_API_ENABLE_TEST_MODE_EVT */ 113 bta_dm_disable_test_mode, /* BTA_DM_API_DISABLE_TEST_MODE_EVT */ 114 bta_dm_execute_callback, /* BTA_DM_API_EXECUTE_CBACK_EVT */ 115 bta_dm_set_afh_channel_assesment /* BTA_DM_API_SET_AFH_CHANNEL_ASSESMENT_EVT */ 116 }; 117 118 119 120 /* state machine action enumeration list */ 121 enum 122 { 123 BTA_DM_API_SEARCH, /* 0 bta_dm_search_start */ 124 BTA_DM_API_SEARCH_CANCEL, /* 1 bta_dm_search_cancel */ 125 BTA_DM_API_DISCOVER, /* 2 bta_dm_discover */ 126 BTA_DM_INQUIRY_CMPL, /* 3 bta_dm_inq_cmpl */ 127 BTA_DM_REMT_NAME, /* 4 bta_dm_rmt_name */ 128 BTA_DM_SDP_RESULT, /* 5 bta_dm_sdp_result */ 129 BTA_DM_SEARCH_CMPL, /* 6 bta_dm_search_cmpl*/ 130 BTA_DM_FREE_SDP_DB, /* 7 bta_dm_free_sdp_db */ 131 BTA_DM_DISC_RESULT, /* 8 bta_dm_disc_result */ 132 BTA_DM_SEARCH_RESULT, /* 9 bta_dm_search_result */ 133 BTA_DM_QUEUE_SEARCH, /* 10 bta_dm_queue_search */ 134 BTA_DM_QUEUE_DISC, /* 11 bta_dm_queue_disc */ 135 BTA_DM_SEARCH_CLEAR_QUEUE, /* 12 bta_dm_search_clear_queue */ 136 BTA_DM_SEARCH_CANCEL_CMPL, /* 13 bta_dm_search_cancel_cmpl */ 137 BTA_DM_SEARCH_CANCEL_NOTIFY, /* 14 bta_dm_search_cancel_notify */ 138 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, /* 15 bta_dm_search_cancel_transac_cmpl */ 139 BTA_DM_DISC_RMT_NAME, /* 16 bta_dm_disc_rmt_name */ 140 BTA_DM_API_DI_DISCOVER, /* 17 bta_dm_di_disc */ 141 #if BLE_INCLUDED == TRUE 142 BTA_DM_CLOSE_GATT_CONN, /* 18 bta_dm_close_gatt_conn */ 143 #endif 144 BTA_DM_SEARCH_NUM_ACTIONS /* 19 */ 145 }; 146 147 148 /* action function list */ 149 const tBTA_DM_ACTION bta_dm_search_action[] = 150 { 151 152 bta_dm_search_start, /* 0 BTA_DM_API_SEARCH */ 153 bta_dm_search_cancel, /* 1 BTA_DM_API_SEARCH_CANCEL */ 154 bta_dm_discover, /* 2 BTA_DM_API_DISCOVER */ 155 bta_dm_inq_cmpl, /* 3 BTA_DM_INQUIRY_CMPL */ 156 bta_dm_rmt_name, /* 4 BTA_DM_REMT_NAME */ 157 bta_dm_sdp_result, /* 5 BTA_DM_SDP_RESULT */ 158 bta_dm_search_cmpl, /* 6 BTA_DM_SEARCH_CMPL */ 159 bta_dm_free_sdp_db, /* 7 BTA_DM_FREE_SDP_DB */ 160 bta_dm_disc_result, /* 8 BTA_DM_DISC_RESULT */ 161 bta_dm_search_result, /* 9 BTA_DM_SEARCH_RESULT */ 162 bta_dm_queue_search, /* 10 BTA_DM_QUEUE_SEARCH */ 163 bta_dm_queue_disc, /* 11 BTA_DM_QUEUE_DISC */ 164 bta_dm_search_clear_queue, /* 12 BTA_DM_SEARCH_CLEAR_QUEUE */ 165 bta_dm_search_cancel_cmpl, /* 13 BTA_DM_SEARCH_CANCEL_CMPL */ 166 bta_dm_search_cancel_notify, /* 14 BTA_DM_SEARCH_CANCEL_NOTIFY */ 167 bta_dm_search_cancel_transac_cmpl, /* 15 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL */ 168 bta_dm_disc_rmt_name, /* 16 BTA_DM_DISC_RMT_NAME */ 169 bta_dm_di_disc /* 17 BTA_DM_API_DI_DISCOVER */ 170 #if BLE_INCLUDED == TRUE 171 ,bta_dm_close_gatt_conn 172 #endif 173 }; 174 175 #define BTA_DM_SEARCH_IGNORE BTA_DM_SEARCH_NUM_ACTIONS 176 /* state table information */ 177 #define BTA_DM_SEARCH_ACTIONS 2 /* number of actions */ 178 #define BTA_DM_SEARCH_NEXT_STATE 2 /* position of next state */ 179 #define BTA_DM_SEARCH_NUM_COLS 3 /* number of columns in state tables */ 180 181 182 183 /* state table for listen state */ 184 const UINT8 bta_dm_search_idle_st_table[][BTA_DM_SEARCH_NUM_COLS] = 185 { 186 187 /* Event Action 1 Action 2 Next State */ 188 /* API_SEARCH */ {BTA_DM_API_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 189 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 190 /* API_SEARCH_DISC */ {BTA_DM_API_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 191 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 192 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 193 /* SDP_RESULT_EVT */ {BTA_DM_FREE_SDP_DB, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 194 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 195 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 196 /* API_DI_DISCOVER_EVT */ {BTA_DM_API_DI_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 197 #if BLE_INCLUDED == TRUE 198 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_CLOSE_GATT_CONN, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE} 199 #endif 200 201 }; 202 const UINT8 bta_dm_search_search_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = 203 { 204 205 /* Event Action 1 Action 2 Next State */ 206 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 207 /* API_SEARCH_CANCEL */ {BTA_DM_API_SEARCH_CANCEL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 208 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 209 /* INQUIRY_CMPL */ {BTA_DM_INQUIRY_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 210 /* REMT_NAME_EVT */ {BTA_DM_REMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 211 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 212 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 213 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 214 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 215 216 #if BLE_INCLUDED == TRUE 217 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 218 #endif 219 220 }; 221 222 const UINT8 bta_dm_search_search_cancelling_st_table[][BTA_DM_SEARCH_NUM_COLS] = 223 { 224 225 /* Event Action 1 Action 2 Next State */ 226 /* API_SEARCH */ {BTA_DM_QUEUE_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 227 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CLEAR_QUEUE, BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_CANCELLING}, 228 /* API_SEARCH_DISC */ {BTA_DM_QUEUE_DISC, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 229 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 230 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 231 /* SDP_RESULT_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 232 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 233 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 234 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING} 235 236 #if BLE_INCLUDED == TRUE 237 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING} 238 #endif 239 240 }; 241 242 const UINT8 bta_dm_search_disc_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = 243 { 244 245 /* Event Action 1 Action 2 Next State */ 246 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 247 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 248 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 249 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 250 /* REMT_NAME_EVT */ {BTA_DM_DISC_RMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 251 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 252 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 253 /* DISCV_RES_EVT */ {BTA_DM_DISC_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 254 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE} 255 256 #if BLE_INCLUDED == TRUE 257 /* DISC_CLOSE_TOUT_EVT */ ,{BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE} 258 #endif 259 260 }; 261 262 typedef const UINT8 (*tBTA_DM_ST_TBL)[BTA_DM_SEARCH_NUM_COLS]; 263 264 /* state table */ 265 const tBTA_DM_ST_TBL bta_dm_search_st_tbl[] = { 266 bta_dm_search_idle_st_table, 267 bta_dm_search_search_active_st_table, 268 bta_dm_search_search_cancelling_st_table, 269 bta_dm_search_disc_active_st_table 270 }; 271 272 273 /******************************************************************************* 274 ** 275 ** Function bta_dm_sm_disable 276 ** 277 ** Description unregister BTA DM 278 ** 279 ** 280 ** Returns void 281 ** 282 *******************************************************************************/ 283 void bta_dm_sm_disable( ) 284 { 285 bta_sys_deregister( BTA_ID_DM ); 286 } 287 288 289 /******************************************************************************* 290 ** 291 ** Function bta_dm_sm_execute 292 ** 293 ** Description State machine event handling function for DM 294 ** 295 ** 296 ** Returns void 297 ** 298 *******************************************************************************/ 299 BOOLEAN bta_dm_sm_execute(BT_HDR *p_msg) 300 { 301 UINT16 event = p_msg->event & 0x00ff; 302 303 APPL_TRACE_EVENT1("bta_dm_sm_execute event:0x%x", event); 304 305 /* execute action functions */ 306 if(event < BTA_DM_NUM_ACTIONS) 307 { 308 (*bta_dm_action[event])( (tBTA_DM_MSG*) p_msg); 309 } 310 311 return TRUE; 312 } 313 314 /******************************************************************************* 315 ** 316 ** Function bta_dm_sm_search_disable 317 ** 318 ** Description unregister BTA SEARCH DM 319 ** 320 ** 321 ** Returns void 322 ** 323 *******************************************************************************/ 324 void bta_dm_search_sm_disable( ) 325 { 326 bta_sys_deregister( BTA_ID_DM_SEARCH ); 327 328 } 329 330 331 /******************************************************************************* 332 ** 333 ** Function bta_dm_search_sm_execute 334 ** 335 ** Description State machine event handling function for DM 336 ** 337 ** 338 ** Returns void 339 ** 340 *******************************************************************************/ 341 BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg) 342 { 343 tBTA_DM_ST_TBL state_table; 344 UINT8 action; 345 int i; 346 347 APPL_TRACE_EVENT2("bta_dm_search_sm_execute state:%d, event:0x%x", 348 bta_dm_search_cb.state, p_msg->event); 349 350 /* look up the state table for the current state */ 351 state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state]; 352 353 bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE]; 354 355 356 /* execute action functions */ 357 for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++) 358 { 359 if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE) 360 { 361 (*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg); 362 } 363 else 364 { 365 break; 366 } 367 } 368 return TRUE; 369 } 370 371
