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, /* 10 BTA_DM_API_BOND_EVT */ 65 bta_dm_bond_cancel, /* 11 BTA_DM_API_BOND_CANCEL_EVT */ 66 bta_dm_pin_reply, /* 12 BTA_DM_API_PIN_REPLY_EVT */ 67 bta_dm_link_policy, /* 13 BTA_DM_API_LINK_POLICY_EVT */ 68 bta_dm_auth_reply, /* 14 BTA_DM_API_AUTH_REPLY_EVT */ 69 70 /* power manger events */ 71 bta_dm_pm_btm_status, /* 15 BTA_DM_PM_BTM_STATUS_EVT */ 72 bta_dm_pm_timer, /* 16 BTA_DM_PM_TIMER_EVT*/ 73 74 /* simple pairing events */ 75 bta_dm_confirm, /* 17 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 #endif 100 101 #if ( BTM_EIR_SERVER_INCLUDED == TRUE )&&( BTA_EIR_CANNED_UUID_LIST != TRUE )&&(BTA_EIR_SERVER_NUM_CUSTOM_UUID > 0) 102 bta_dm_update_eir_uuid, /* BTA_DM_API_UPDATE_EIR_UUID_EVT */ 103 #endif 104 #if (BTM_EIR_SERVER_INCLUDED == TRUE) 105 bta_dm_set_eir_config, /* BTA_DM_API_SET_EIR_CONFIG_EVT */ 106 #endif 107 108 bta_dm_enable_test_mode, /* BTA_DM_API_ENABLE_TEST_MODE_EVT */ 109 bta_dm_disable_test_mode, /* BTA_DM_API_DISABLE_TEST_MODE_EVT */ 110 bta_dm_execute_callback, /* BTA_DM_API_EXECUTE_CBACK_EVT */ 111 bta_dm_set_afh_channel_assesment /* BTA_DM_API_SET_AFH_CHANNEL_ASSESMENT_EVT */ 112 }; 113 114 115 116 /* state machine action enumeration list */ 117 enum 118 { 119 BTA_DM_API_SEARCH, /* 0 bta_dm_search_start */ 120 BTA_DM_API_SEARCH_CANCEL, /* 1 bta_dm_search_cancel */ 121 BTA_DM_API_DISCOVER, /* 2 bta_dm_discover */ 122 BTA_DM_INQUIRY_CMPL, /* 3 bta_dm_inq_cmpl */ 123 BTA_DM_REMT_NAME, /* 4 bta_dm_rmt_name */ 124 BTA_DM_SDP_RESULT, /* 5 bta_dm_sdp_result */ 125 BTA_DM_SEARCH_CMPL, /* 6 bta_dm_search_cmpl*/ 126 BTA_DM_FREE_SDP_DB, /* 7 bta_dm_free_sdp_db */ 127 BTA_DM_DISC_RESULT, /* 8 bta_dm_disc_result */ 128 BTA_DM_SEARCH_RESULT, /* 9 bta_dm_search_result */ 129 BTA_DM_QUEUE_SEARCH, /* 10 bta_dm_queue_search */ 130 BTA_DM_QUEUE_DISC, /* 11 bta_dm_queue_disc */ 131 BTA_DM_SEARCH_CLEAR_QUEUE, /* 12 bta_dm_search_clear_queue */ 132 BTA_DM_SEARCH_CANCEL_CMPL, /* 13 bta_dm_search_cancel_cmpl */ 133 BTA_DM_SEARCH_CANCEL_NOTIFY, /* 14 bta_dm_search_cancel_notify */ 134 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, /* 15 bta_dm_search_cancel_transac_cmpl */ 135 BTA_DM_DISC_RMT_NAME, /* 16 bta_dm_disc_rmt_name */ 136 BTA_DM_API_DI_DISCOVER, /* 17 bta_dm_di_disc */ 137 BTA_DM_SEARCH_NUM_ACTIONS /* 18 */ 138 }; 139 140 141 /* action function list */ 142 const tBTA_DM_ACTION bta_dm_search_action[] = 143 { 144 145 bta_dm_search_start, /* 0 BTA_DM_API_SEARCH */ 146 bta_dm_search_cancel, /* 1 BTA_DM_API_SEARCH_CANCEL */ 147 bta_dm_discover, /* 2 BTA_DM_API_DISCOVER */ 148 bta_dm_inq_cmpl, /* 3 BTA_DM_INQUIRY_CMPL */ 149 bta_dm_rmt_name, /* 4 BTA_DM_REMT_NAME */ 150 bta_dm_sdp_result, /* 5 BTA_DM_SDP_RESULT */ 151 bta_dm_search_cmpl, /* 6 BTA_DM_SEARCH_CMPL */ 152 bta_dm_free_sdp_db, /* 7 BTA_DM_FREE_SDP_DB */ 153 bta_dm_disc_result, /* 8 BTA_DM_DISC_RESULT */ 154 bta_dm_search_result, /* 9 BTA_DM_SEARCH_RESULT */ 155 bta_dm_queue_search, /* 10 BTA_DM_QUEUE_SEARCH */ 156 bta_dm_queue_disc, /* 11 BTA_DM_QUEUE_DISC */ 157 bta_dm_search_clear_queue, /* 12 BTA_DM_SEARCH_CLEAR_QUEUE */ 158 bta_dm_search_cancel_cmpl, /* 13 BTA_DM_SEARCH_CANCEL_CMPL */ 159 bta_dm_search_cancel_notify, /* 14 BTA_DM_SEARCH_CANCEL_NOTIFY */ 160 bta_dm_search_cancel_transac_cmpl, /* 15 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL */ 161 bta_dm_disc_rmt_name, /* 16 BTA_DM_DISC_RMT_NAME */ 162 bta_dm_di_disc /* 17 BTA_DM_API_DI_DISCOVER */ 163 }; 164 165 #define BTA_DM_SEARCH_IGNORE BTA_DM_SEARCH_NUM_ACTIONS 166 /* state table information */ 167 #define BTA_DM_SEARCH_ACTIONS 2 /* number of actions */ 168 #define BTA_DM_SEARCH_NEXT_STATE 2 /* position of next state */ 169 #define BTA_DM_SEARCH_NUM_COLS 3 /* number of columns in state tables */ 170 171 172 173 /* state table for listen state */ 174 const UINT8 bta_dm_search_idle_st_table[][BTA_DM_SEARCH_NUM_COLS] = 175 { 176 177 /* Event Action 1 Action 2 Next State */ 178 /* API_SEARCH */ {BTA_DM_API_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 179 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 180 /* API_SEARCH_DISC */ {BTA_DM_API_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 181 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 182 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 183 /* SDP_RESULT_EVT */ {BTA_DM_FREE_SDP_DB, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 184 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 185 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 186 /* API_DI_DISCOVER_EVT */ {BTA_DM_API_DI_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 187 188 }; 189 const UINT8 bta_dm_search_search_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = 190 { 191 192 /* Event Action 1 Action 2 Next State */ 193 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 194 /* API_SEARCH_CANCEL */ {BTA_DM_API_SEARCH_CANCEL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 195 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 196 /* INQUIRY_CMPL */ {BTA_DM_INQUIRY_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 197 /* REMT_NAME_EVT */ {BTA_DM_REMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 198 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 199 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 200 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 201 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 202 203 204 }; 205 206 const UINT8 bta_dm_search_search_cancelling_st_table[][BTA_DM_SEARCH_NUM_COLS] = 207 { 208 209 /* Event Action 1 Action 2 Next State */ 210 /* API_SEARCH */ {BTA_DM_QUEUE_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 211 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CLEAR_QUEUE, BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_CANCELLING}, 212 /* API_SEARCH_DISC */ {BTA_DM_QUEUE_DISC, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 213 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 214 /* REMT_NAME_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 215 /* SDP_RESULT_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 216 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 217 /* DISCV_RES_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 218 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING} 219 220 221 }; 222 223 const UINT8 bta_dm_search_disc_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = 224 { 225 226 /* Event Action 1 Action 2 Next State */ 227 /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 228 /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 229 /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 230 /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 231 /* REMT_NAME_EVT */ {BTA_DM_DISC_RMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 232 /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 233 /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 234 /* DISCV_RES_EVT */ {BTA_DM_DISC_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 235 /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE} 236 237 }; 238 239 typedef const UINT8 (*tBTA_DM_ST_TBL)[BTA_DM_SEARCH_NUM_COLS]; 240 241 /* state table */ 242 const tBTA_DM_ST_TBL bta_dm_search_st_tbl[] = { 243 bta_dm_search_idle_st_table, 244 bta_dm_search_search_active_st_table, 245 bta_dm_search_search_cancelling_st_table, 246 bta_dm_search_disc_active_st_table 247 }; 248 249 250 /******************************************************************************* 251 ** 252 ** Function bta_dm_sm_disable 253 ** 254 ** Description unregister BTA DM 255 ** 256 ** 257 ** Returns void 258 ** 259 *******************************************************************************/ 260 void bta_dm_sm_disable( ) 261 { 262 bta_sys_deregister( BTA_ID_DM ); 263 } 264 265 266 /******************************************************************************* 267 ** 268 ** Function bta_dm_sm_execute 269 ** 270 ** Description State machine event handling function for DM 271 ** 272 ** 273 ** Returns void 274 ** 275 *******************************************************************************/ 276 BOOLEAN bta_dm_sm_execute(BT_HDR *p_msg) 277 { 278 UINT16 event = p_msg->event & 0x00ff; 279 280 APPL_TRACE_EVENT1("bta_dm_sm_execute event:0x%x", event); 281 282 /* execute action functions */ 283 if(event < BTA_DM_NUM_ACTIONS) 284 { 285 (*bta_dm_action[event])( (tBTA_DM_MSG*) p_msg); 286 } 287 288 return TRUE; 289 } 290 291 /******************************************************************************* 292 ** 293 ** Function bta_dm_sm_search_disable 294 ** 295 ** Description unregister BTA SEARCH DM 296 ** 297 ** 298 ** Returns void 299 ** 300 *******************************************************************************/ 301 void bta_dm_search_sm_disable( ) 302 { 303 bta_sys_deregister( BTA_ID_DM_SEARCH ); 304 305 } 306 307 308 /******************************************************************************* 309 ** 310 ** Function bta_dm_search_sm_execute 311 ** 312 ** Description State machine event handling function for DM 313 ** 314 ** 315 ** Returns void 316 ** 317 *******************************************************************************/ 318 BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg) 319 { 320 tBTA_DM_ST_TBL state_table; 321 UINT8 action; 322 int i; 323 324 APPL_TRACE_EVENT2("bta_dm_search_sm_execute state:%d, event:0x%x", 325 bta_dm_search_cb.state, p_msg->event); 326 327 /* look up the state table for the current state */ 328 state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state]; 329 330 bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE]; 331 332 333 /* execute action functions */ 334 for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++) 335 { 336 if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE) 337 { 338 (*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg); 339 } 340 else 341 { 342 break; 343 } 344 } 345 return TRUE; 346 } 347 348
