/****************************************************************************** * * Copyright (C) 2003-2012 Broadcom Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /****************************************************************************** * * This is the main implementation file for the BTA device manager. * ******************************************************************************/ #include "bta_api.h" #include "bta_sys.h" #include "bta_dm_int.h" /***************************************************************************** ** Constants and types *****************************************************************************/ #if BTA_DYNAMIC_MEMORY == FALSE tBTA_DM_CB bta_dm_cb; tBTA_DM_SEARCH_CB bta_dm_search_cb; tBTA_DM_DI_CB bta_dm_di_cb; #endif #define BTA_DM_NUM_ACTIONS (BTA_DM_MAX_EVT & 0x00ff) /* type for action functions */ typedef void (*tBTA_DM_ACTION)(tBTA_DM_MSG *p_data); /* action function list */ const tBTA_DM_ACTION bta_dm_action[] = { /* device manager local device API events */ bta_dm_enable, /* 0 BTA_DM_API_ENABLE_EVT */ bta_dm_disable, /* 1 BTA_DM_API_DISABLE_EVT */ bta_dm_set_dev_name, /* 2 BTA_DM_API_SET_NAME_EVT */ bta_dm_set_visibility, /* 3 BTA_DM_API_SET_VISIBILITY_EVT */ bta_dm_set_afhchannels, /* 4 BTA_DM_API_SET_AFH_CHANNELS_EVT */ bta_dm_signal_strength, /* 5 BTA_API_DM_SIG_STRENGTH_EVT */ bta_dm_vendor_spec_command,/* 6 BTA_DM_API_VENDOR_SPECIFIC_COMMAND_EVT */ bta_dm_tx_inqpower, /* 7 BTA_DM_API_SIG_STRENGTH_EVT */ bta_dm_acl_change, /* 8 BTA_DM_ACL_CHANGE_EVT */ bta_dm_add_device, /* 9 BTA_DM_API_ADD_DEVICE_EVT */ /* security API events */ bta_dm_bond, /* 10 BTA_DM_API_BOND_EVT */ bta_dm_bond_cancel, /* 11 BTA_DM_API_BOND_CANCEL_EVT */ bta_dm_pin_reply, /* 12 BTA_DM_API_PIN_REPLY_EVT */ bta_dm_link_policy, /* 13 BTA_DM_API_LINK_POLICY_EVT */ bta_dm_auth_reply, /* 14 BTA_DM_API_AUTH_REPLY_EVT */ /* power manger events */ bta_dm_pm_btm_status, /* 15 BTA_DM_PM_BTM_STATUS_EVT */ bta_dm_pm_timer, /* 16 BTA_DM_PM_TIMER_EVT*/ /* simple pairing events */ bta_dm_confirm, /* 17 BTA_DM_API_CONFIRM_EVT */ bta_dm_set_encryption, /* BTA_DM_API_SET_ENCRYPTION_EVT */ #if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE) bta_dm_passkey_cancel, /* 19 BTA_DM_API_PASKY_CANCEL_EVT */ #endif #if (BTM_OOB_INCLUDED == TRUE) bta_dm_loc_oob, /* 20 BTA_DM_API_LOC_OOB_EVT */ bta_dm_ci_io_req_act, /* 21 BTA_DM_CI_IO_REQ_EVT */ bta_dm_ci_rmt_oob_act, /* 22 BTA_DM_CI_RMT_OOB_EVT */ #endif /* BTM_OOB_INCLUDED */ bta_dm_remove_device, /* BTA_DM_API_REMOVE_DEVICE_EVT */ #if BLE_INCLUDED == TRUE bta_dm_add_blekey, /* BTA_DM_API_ADD_BLEKEY_EVT */ bta_dm_add_ble_device, /* BTA_DM_API_ADD_BLEDEVICE_EVT */ bta_dm_ble_passkey_reply, /* BTA_DM_API_BLE_PASSKEY_REPLY_EVT */ bta_dm_security_grant, bta_dm_ble_set_bg_conn_type, bta_dm_ble_set_conn_params, /* BTA_DM_API_BLE_CONN_PARAM_EVT */ bta_dm_ble_set_scan_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */ #endif #if ( BTM_EIR_SERVER_INCLUDED == TRUE )&&( BTA_EIR_CANNED_UUID_LIST != TRUE )&&(BTA_EIR_SERVER_NUM_CUSTOM_UUID > 0) bta_dm_update_eir_uuid, /* BTA_DM_API_UPDATE_EIR_UUID_EVT */ #endif #if (BTM_EIR_SERVER_INCLUDED == TRUE) bta_dm_set_eir_config, /* BTA_DM_API_SET_EIR_CONFIG_EVT */ #endif bta_dm_enable_test_mode, /* BTA_DM_API_ENABLE_TEST_MODE_EVT */ bta_dm_disable_test_mode, /* BTA_DM_API_DISABLE_TEST_MODE_EVT */ bta_dm_execute_callback, /* BTA_DM_API_EXECUTE_CBACK_EVT */ bta_dm_set_afh_channel_assesment /* BTA_DM_API_SET_AFH_CHANNEL_ASSESMENT_EVT */ }; /* state machine action enumeration list */ enum { BTA_DM_API_SEARCH, /* 0 bta_dm_search_start */ BTA_DM_API_SEARCH_CANCEL, /* 1 bta_dm_search_cancel */ BTA_DM_API_DISCOVER, /* 2 bta_dm_discover */ BTA_DM_INQUIRY_CMPL, /* 3 bta_dm_inq_cmpl */ BTA_DM_REMT_NAME, /* 4 bta_dm_rmt_name */ BTA_DM_SDP_RESULT, /* 5 bta_dm_sdp_result */ BTA_DM_SEARCH_CMPL, /* 6 bta_dm_search_cmpl*/ BTA_DM_FREE_SDP_DB, /* 7 bta_dm_free_sdp_db */ BTA_DM_DISC_RESULT, /* 8 bta_dm_disc_result */ BTA_DM_SEARCH_RESULT, /* 9 bta_dm_search_result */ BTA_DM_QUEUE_SEARCH, /* 10 bta_dm_queue_search */ BTA_DM_QUEUE_DISC, /* 11 bta_dm_queue_disc */ BTA_DM_SEARCH_CLEAR_QUEUE, /* 12 bta_dm_search_clear_queue */ BTA_DM_SEARCH_CANCEL_CMPL, /* 13 bta_dm_search_cancel_cmpl */ BTA_DM_SEARCH_CANCEL_NOTIFY, /* 14 bta_dm_search_cancel_notify */ BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, /* 15 bta_dm_search_cancel_transac_cmpl */ BTA_DM_DISC_RMT_NAME, /* 16 bta_dm_disc_rmt_name */ BTA_DM_API_DI_DISCOVER, /* 17 bta_dm_di_disc */ BTA_DM_SEARCH_NUM_ACTIONS /* 18 */ }; /* action function list */ const tBTA_DM_ACTION bta_dm_search_action[] = { bta_dm_search_start, /* 0 BTA_DM_API_SEARCH */ bta_dm_search_cancel, /* 1 BTA_DM_API_SEARCH_CANCEL */ bta_dm_discover, /* 2 BTA_DM_API_DISCOVER */ bta_dm_inq_cmpl, /* 3 BTA_DM_INQUIRY_CMPL */ bta_dm_rmt_name, /* 4 BTA_DM_REMT_NAME */ bta_dm_sdp_result, /* 5 BTA_DM_SDP_RESULT */ bta_dm_search_cmpl, /* 6 BTA_DM_SEARCH_CMPL */ bta_dm_free_sdp_db, /* 7 BTA_DM_FREE_SDP_DB */ bta_dm_disc_result, /* 8 BTA_DM_DISC_RESULT */ bta_dm_search_result, /* 9 BTA_DM_SEARCH_RESULT */ bta_dm_queue_search, /* 10 BTA_DM_QUEUE_SEARCH */ bta_dm_queue_disc, /* 11 BTA_DM_QUEUE_DISC */ bta_dm_search_clear_queue, /* 12 BTA_DM_SEARCH_CLEAR_QUEUE */ bta_dm_search_cancel_cmpl, /* 13 BTA_DM_SEARCH_CANCEL_CMPL */ bta_dm_search_cancel_notify, /* 14 BTA_DM_SEARCH_CANCEL_NOTIFY */ bta_dm_search_cancel_transac_cmpl, /* 15 BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL */ bta_dm_disc_rmt_name, /* 16 BTA_DM_DISC_RMT_NAME */ bta_dm_di_disc /* 17 BTA_DM_API_DI_DISCOVER */ }; #define BTA_DM_SEARCH_IGNORE BTA_DM_SEARCH_NUM_ACTIONS /* state table information */ #define BTA_DM_SEARCH_ACTIONS 2 /* number of actions */ #define BTA_DM_SEARCH_NEXT_STATE 2 /* position of next state */ #define BTA_DM_SEARCH_NUM_COLS 3 /* number of columns in state tables */ /* state table for listen state */ const UINT8 bta_dm_search_idle_st_table[][BTA_DM_SEARCH_NUM_COLS] = { /* Event Action 1 Action 2 Next State */ /* API_SEARCH */ {BTA_DM_API_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* API_SEARCH_DISC */ {BTA_DM_API_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* REMT_NAME_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* SDP_RESULT_EVT */ {BTA_DM_FREE_SDP_DB, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* DISCV_RES_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* API_DI_DISCOVER_EVT */ {BTA_DM_API_DI_DISCOVER, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} }; const UINT8 bta_dm_search_search_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = { /* Event Action 1 Action 2 Next State */ /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, /* API_SEARCH_CANCEL */ {BTA_DM_API_SEARCH_CANCEL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, /* INQUIRY_CMPL */ {BTA_DM_INQUIRY_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, /* REMT_NAME_EVT */ {BTA_DM_REMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* DISCV_RES_EVT */ {BTA_DM_SEARCH_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE}, /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_ACTIVE} }; const UINT8 bta_dm_search_search_cancelling_st_table[][BTA_DM_SEARCH_NUM_COLS] = { /* Event Action 1 Action 2 Next State */ /* API_SEARCH */ {BTA_DM_QUEUE_SEARCH, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CLEAR_QUEUE, BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_CANCELLING}, /* API_SEARCH_DISC */ {BTA_DM_QUEUE_DISC, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, /* INQUIRY_CMPL */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* REMT_NAME_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, /* SDP_RESULT_EVT */ {BTA_DM_SEARCH_CANCEL_TRANSAC_CMPL, BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IDLE}, /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* DISCV_RES_EVT */ {BTA_DM_SEARCH_CANCEL_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING} }; const UINT8 bta_dm_search_disc_active_st_table[][BTA_DM_SEARCH_NUM_COLS] = { /* Event Action 1 Action 2 Next State */ /* API_SEARCH */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, /* API_SEARCH_CANCEL */ {BTA_DM_SEARCH_CANCEL_NOTIFY, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_CANCELLING}, /* API_SEARCH_DISC */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, /* INQUIRY_CMPL */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, /* REMT_NAME_EVT */ {BTA_DM_DISC_RMT_NAME, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, /* SDP_RESULT_EVT */ {BTA_DM_SDP_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, /* SEARCH_CMPL_EVT */ {BTA_DM_SEARCH_CMPL, BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IDLE}, /* DISCV_RES_EVT */ {BTA_DM_DISC_RESULT, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE}, /* API_DI_DISCOVER_EVT */ {BTA_DM_SEARCH_IGNORE, BTA_DM_SEARCH_IGNORE, BTA_DM_DISCOVER_ACTIVE} }; typedef const UINT8 (*tBTA_DM_ST_TBL)[BTA_DM_SEARCH_NUM_COLS]; /* state table */ const tBTA_DM_ST_TBL bta_dm_search_st_tbl[] = { bta_dm_search_idle_st_table, bta_dm_search_search_active_st_table, bta_dm_search_search_cancelling_st_table, bta_dm_search_disc_active_st_table }; /******************************************************************************* ** ** Function bta_dm_sm_disable ** ** Description unregister BTA DM ** ** ** Returns void ** *******************************************************************************/ void bta_dm_sm_disable( ) { bta_sys_deregister( BTA_ID_DM ); } /******************************************************************************* ** ** Function bta_dm_sm_execute ** ** Description State machine event handling function for DM ** ** ** Returns void ** *******************************************************************************/ BOOLEAN bta_dm_sm_execute(BT_HDR *p_msg) { UINT16 event = p_msg->event & 0x00ff; APPL_TRACE_EVENT1("bta_dm_sm_execute event:0x%x", event); /* execute action functions */ if(event < BTA_DM_NUM_ACTIONS) { (*bta_dm_action[event])( (tBTA_DM_MSG*) p_msg); } return TRUE; } /******************************************************************************* ** ** Function bta_dm_sm_search_disable ** ** Description unregister BTA SEARCH DM ** ** ** Returns void ** *******************************************************************************/ void bta_dm_search_sm_disable( ) { bta_sys_deregister( BTA_ID_DM_SEARCH ); } /******************************************************************************* ** ** Function bta_dm_search_sm_execute ** ** Description State machine event handling function for DM ** ** ** Returns void ** *******************************************************************************/ BOOLEAN bta_dm_search_sm_execute(BT_HDR *p_msg) { tBTA_DM_ST_TBL state_table; UINT8 action; int i; APPL_TRACE_EVENT2("bta_dm_search_sm_execute state:%d, event:0x%x", bta_dm_search_cb.state, p_msg->event); /* look up the state table for the current state */ state_table = bta_dm_search_st_tbl[bta_dm_search_cb.state]; bta_dm_search_cb.state = state_table[p_msg->event & 0x00ff][BTA_DM_SEARCH_NEXT_STATE]; /* execute action functions */ for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++) { if ((action = state_table[p_msg->event & 0x00ff][i]) != BTA_DM_SEARCH_IGNORE) { (*bta_dm_search_action[action])( (tBTA_DM_MSG*) p_msg); } else { break; } } return TRUE; }