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_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 62 /* security API events */ 63 bta_dm_bond, /* 10 BTA_DM_API_BOND_EVT */ 64 bta_dm_bond_cancel, /* 11 BTA_DM_API_BOND_CANCEL_EVT */ 65 bta_dm_pin_reply, /* 12 BTA_DM_API_PIN_REPLY_EVT */ 66 bta_dm_link_policy, /* 13 BTA_DM_API_LINK_POLICY_EVT */ 67 bta_dm_auth_reply, /* 14 BTA_DM_API_AUTH_REPLY_EVT */ 68 69 /* power manger events */ 70 bta_dm_pm_btm_status, /* 15 BTA_DM_PM_BTM_STATUS_EVT */ 71 bta_dm_pm_timer, /* 16 BTA_DM_PM_TIMER_EVT*/ 72 73 /* simple pairing events */ 74 bta_dm_confirm, /* 17 BTA_DM_API_CONFIRM_EVT */ 75 76 bta_dm_set_encryption, /* BTA_DM_API_SET_ENCRYPTION_EVT */ 77 78#if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE) 79 bta_dm_passkey_cancel, /* 19 BTA_DM_API_PASKY_CANCEL_EVT */ 80#endif 81#if (BTM_OOB_INCLUDED == TRUE) 82 bta_dm_loc_oob, /* 20 BTA_DM_API_LOC_OOB_EVT */ 83 bta_dm_ci_io_req_act, /* 21 BTA_DM_CI_IO_REQ_EVT */ 84 bta_dm_ci_rmt_oob_act, /* 22 BTA_DM_CI_RMT_OOB_EVT */ 85#endif /* BTM_OOB_INCLUDED */ 86 87 bta_dm_remove_device, /* BTA_DM_API_REMOVE_DEVICE_EVT */ 88 89#if BLE_INCLUDED == TRUE 90 bta_dm_add_blekey, /* BTA_DM_API_ADD_BLEKEY_EVT */ 91 bta_dm_add_ble_device, /* BTA_DM_API_ADD_BLEDEVICE_EVT */ 92 bta_dm_ble_passkey_reply, /* BTA_DM_API_BLE_PASSKEY_REPLY_EVT */ 93 bta_dm_security_grant, 94 bta_dm_ble_set_bg_conn_type, 95 bta_dm_ble_set_conn_params, /* BTA_DM_API_BLE_CONN_PARAM_EVT */ 96 bta_dm_ble_set_scan_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */ 97#endif 98 99#if ( BTM_EIR_SERVER_INCLUDED == TRUE )&&( BTA_EIR_CANNED_UUID_LIST != TRUE )&&(BTA_EIR_SERVER_NUM_CUSTOM_UUID > 0) 100 bta_dm_update_eir_uuid, /* BTA_DM_API_UPDATE_EIR_UUID_EVT */ 101#endif 102#if (BTM_EIR_SERVER_INCLUDED == TRUE) 103 bta_dm_set_eir_config, /* BTA_DM_API_SET_EIR_CONFIG_EVT */ 104#endif 105 106 bta_dm_enable_test_mode, /* BTA_DM_API_ENABLE_TEST_MODE_EVT */ 107 bta_dm_disable_test_mode, /* BTA_DM_API_DISABLE_TEST_MODE_EVT */ 108 bta_dm_execute_callback, /* BTA_DM_API_EXECUTE_CBACK_EVT */ 109 bta_dm_set_afh_channel_assesment /* BTA_DM_API_SET_AFH_CHANNEL_ASSESMENT_EVT */ 110}; 111 112 113 114/* state machine action enumeration list */ 115enum 116{ 117 BTA_DM_API_SEARCH, /* 0 bta_dm_search_start */ 118 BTA_DM_API_SEARCH_CANCEL, /* 1 bta_dm_search_cancel */ 119 BTA_DM_API_DISCOVER, /* 2 bta_dm_discover */ 120 BTA_DM_INQUIRY_CMPL, /* 3 bta_dm_inq_cmpl */ 121 BTA_DM_REMT_NAME, /* 4 bta_dm_rmt_name */ 122 BTA_DM_SDP_RESULT, /* 5 bta_dm_sdp_result */ 123 BTA_DM_SEARCH_CMPL, /* 6 bta_dm_search_cmpl*/ 124 BTA_DM_FREE_SDP_DB, /* 7 bta_dm_free_sdp_db */ 125 BTA_DM_DISC_RESULT, /* 8 bta_dm_disc_result */ 126 BTA_DM_SEARCH_RESULT, /* 9 bta_dm_search_result */ 127 BTA_DM_QUEUE_SEARCH, /* 10 bta_dm_queue_search */ 128 BTA_DM_QUEUE_DISC, /* 11 bta_dm_queue_disc */ 129 BTA_DM_SEARCH_CLEAR_QUEUE, /* 12 bta_dm_search_clear_queue */ 130 BTA_DM_SEARCH_CANCEL_CMPL, /* 13 bta_dm_search_cancel_cmpl */ 131 BTA_DM_SEARCH_CANCEL_NOTIFY, /* 14 bta_dm_search_cancel_notify */ 132 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, /* 15 bta_dm_search_cancel_transac_cmpl */ 133 BTA_DM_DISC_RMT_NAME, /* 16 bta_dm_disc_rmt_name */ 134 BTA_DM_API_DI_DISCOVER, /* 17 bta_dm_di_disc */ 135 BTA_DM_SEARCH_NUM_ACTIONS /* 18 */ 136}; 137 138 139/* action function list */ 140const tBTA_DM_ACTION bta_dm_search_action[] = 141{ 142 143 bta_dm_search_start, /* 0 BTA_DM_API_SEARCH */ 144 bta_dm_search_cancel, /* 1 BTA_DM_API_SEARCH_CANCEL */ 145 bta_dm_discover, /* 2 BTA_DM_API_DISCOVER */ 146 bta_dm_inq_cmpl, /* 3 BTA_DM_INQUIRY_CMPL */ 147 bta_dm_rmt_name, /* 4 BTA_DM_REMT_NAME */ 148 bta_dm_sdp_result, /* 5 BTA_DM_SDP_RESULT */ 149 bta_dm_search_cmpl, /* 6 BTA_DM_SEARCH_CMPL */ 150 bta_dm_free_sdp_db, /* 7 BTA_DM_FREE_SDP_DB */ 151 bta_dm_disc_result, /* 8 BTA_DM_DISC_RESULT */ 152 bta_dm_search_result, /* 9 BTA_DM_SEARCH_RESULT */ 153 bta_dm_queue_search, /* 10 BTA_DM_QUEUE_SEARCH */ 154 bta_dm_queue_disc, /* 11 BTA_DM_QUEUE_DISC */ 155 bta_dm_search_clear_queue, /* 12 BTA_DM_SEARCH_CLEAR_QUEUE */ 156 bta_dm_search_cancel_cmpl, /* 13 BTA_DM_SEARCH_CANCEL_CMPL */ 157 bta_dm_search_cancel_notify, /* 14 BTA_DM_SEARCH_CANCEL_NOTIFY */ 158 bta_dm_search_cancel_transac_cmpl, /* 15 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL */ 159 bta_dm_disc_rmt_name, /* 16 BTA_DM_DISC_RMT_NAME */ 160 bta_dm_di_disc /* 17 BTA_DM_API_DI_DISCOVER */ 161}; 162 163#define BTA_DM_SEARCH_IGNORE BTA_DM_SEARCH_NUM_ACTIONS 164/* state table information */ 165#define BTA_DM_SEARCH_ACTIONS 2 /* number of actions */ 166#define BTA_DM_SEARCH_NEXT_STATE 2 /* position of next state */ 167#define BTA_DM_SEARCH_NUM_COLS 3 /* number of columns in state tables */ 168 169 170 171/* state table for listen state */ 172const UINT8 bta_dm_search_idle_st_table[][BTA_DM_SEARCH_NUM_COLS] = 173{ 174 175/* Event Action 1 Action 2 Next State */ 176/* API_SEARCH */ {BTA_DM_API_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 177/* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 178/* API_SEARCH_DISC */ {BTA_DM_API_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 179/* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 180/* REMT_NAME_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 181/* SDP_RESULT_EVT */ {BTA_DM_FREE_SDP_DB, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 182/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 183/* DISCV_RES_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 184/* API_DI_DISCOVER_EVT */ {BTA_DM_API_DI_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 185 186}; 187const UINT8 bta_dm_search_search_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = 188{ 189 190/* Event Action 1 Action 2 Next State */ 191/* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 192/* API_SEARCH_CANCEL */ {BTA_DM_API_SEARCH_CANCEL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 193/* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 194/* INQUIRY_CMPL */ {BTA_DM_INQUIRY_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 195/* REMT_NAME_EVT */ {BTA_DM_REMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 196/* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 197/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 198/* DISCV_RES_EVT */ {BTA_DM_SEARCH_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, 199/* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} 200 201 202}; 203 204const UINT8 bta_dm_search_search_cancelling_st_table[][BTA_DM_SEARCH_NUM_COLS] = 205{ 206 207/* Event Action 1 Action 2 Next State */ 208/* API_SEARCH */ {BTA_DM_QUEUE_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 209/* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CLEAR_QUEUE, BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_CANCELLING}, 210/* API_SEARCH_DISC */ {BTA_DM_QUEUE_DISC, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 211/* INQUIRY_CMPL */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 212/* REMT_NAME_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 213/* SDP_RESULT_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, 214/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 215/* DISCV_RES_EVT */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 216/* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING} 217 218 219}; 220 221const UINT8 bta_dm_search_disc_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_DISCOVER_ACTIVE}, 226/* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, 227/* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 228/* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 229/* REMT_NAME_EVT */ {BTA_DM_DISC_RMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 230/* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 231/* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, 232/* DISCV_RES_EVT */ {BTA_DM_DISC_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, 233/* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE} 234 235}; 236 237typedef const UINT8 (*tBTA_DM_ST_TBL)[BTA_DM_SEARCH_NUM_COLS]; 238 239/* state table */ 240const tBTA_DM_ST_TBL bta_dm_search_st_tbl[] = { 241 bta_dm_search_idle_st_table, 242 bta_dm_search_search_active_st_table, 243 bta_dm_search_search_cancelling_st_table, 244 bta_dm_search_disc_active_st_table 245}; 246 247 248/******************************************************************************* 249** 250** Function bta_dm_sm_disable 251** 252** Description unregister BTA DM 253** 254** 255** Returns void 256** 257*******************************************************************************/ 258void bta_dm_sm_disable( ) 259{ 260 bta_sys_deregister( BTA_ID_DM ); 261} 262 263 264/******************************************************************************* 265** 266** Function bta_dm_sm_execute 267** 268** Description State machine event handling function for DM 269** 270** 271** Returns void 272** 273*******************************************************************************/ 274BOOLEAN bta_dm_sm_execute(BT_HDR *p_msg) 275{ 276 UINT16 event = p_msg->event & 0x00ff; 277 278 APPL_TRACE_EVENT1("bta_dm_sm_execute event:0x%x", event); 279 280 /* execute action functions */ 281 if(event < BTA_DM_NUM_ACTIONS) 282 { 283 (*bta_dm_action[event])( (tBTA_DM_MSG*) p_msg); 284 } 285 286 return TRUE; 287} 288 289/******************************************************************************* 290** 291** Function bta_dm_sm_search_disable 292** 293** Description unregister BTA SEARCH DM 294** 295** 296** Returns void 297** 298*******************************************************************************/ 299void bta_dm_search_sm_disable( ) 300{ 301 bta_sys_deregister( BTA_ID_DM_SEARCH ); 302 303} 304 305 306/******************************************************************************* 307** 308** Function bta_dm_search_sm_execute 309** 310** Description State machine event handling function for DM 311** 312** 313** Returns void 314** 315*******************************************************************************/ 316BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg) 317{ 318 tBTA_DM_ST_TBL state_table; 319 UINT8 action; 320 int i; 321 322 APPL_TRACE_EVENT2("bta_dm_search_sm_execute state:%d, event:0x%x", 323 bta_dm_search_cb.state, p_msg->event); 324 325 /* look up the state table for the current state */ 326 state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state]; 327 328 bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE]; 329 330 331 /* execute action functions */ 332 for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++) 333 { 334 if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE) 335 { 336 (*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg); 337 } 338 else 339 { 340 break; 341 } 342 } 343 return TRUE; 344} 345 346