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/******************************************************************************
*
* 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;
}
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