示例#1
0
/*******************************************************************************
**
** Function         btm_ble_start_auto_conn
**
** Description      This function is to start/stop auto connection procedure.
**
** Parameters       start: TRUE to start; FALSE to stop.
**
** Returns          void
**
*******************************************************************************/
BOOLEAN btm_ble_start_auto_conn(BOOLEAN start)
{
    tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
    BD_ADDR dummy_bda = {0};
    BOOLEAN exec = TRUE;
    UINT16 scan_int, scan_win;

    scan_int = (p_cb->scan_int == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_CONN_EST_SCAN_INT : p_cb->scan_int;
    scan_win = (p_cb->scan_win == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_CONN_EST_SCAN_WIND : p_cb->scan_win;

    if (start)
    {
        if (!l2cb.is_ble_connecting &&
            btm_ble_count_unconn_dev_in_whitelist() > 0)
        {
            if (p_cb->bg_conn_state != BLE_BG_CONN_ACTIVE && p_cb->bg_conn_dev_num > 0)
            {
                if (!btsnd_hcic_ble_create_ll_conn (scan_int,  /* UINT16 scan_int      */
                                                    scan_win,    /* UINT16 scan_win      */
                                                    0x01,                   /* UINT8 white_list     */
                                                    BLE_ADDR_PUBLIC,        /* UINT8 addr_type_peer */
                                                    dummy_bda,              /* BD_ADDR bda_peer     */
                                                    BLE_ADDR_PUBLIC,         /* UINT8 addr_type_own  */
                                                    BTM_BLE_CONN_INT_MIN_DEF,   /* UINT16 conn_int_min  */
                                                    BTM_BLE_CONN_INT_MAX_DEF,   /* UINT16 conn_int_max  */
                                                    BTM_BLE_CONN_SLAVE_LATENCY_DEF,  /* UINT16 conn_latency  */
                                                    BTM_BLE_CONN_TIMEOUT_DEF,        /* UINT16 conn_timeout  */
                                                    0,                       /* UINT16 min_len       */
                                                    0))                      /* UINT16 max_len       */
                {
                    /* start auto connection failed */
                    exec =  FALSE;
                }
                else
                {
                    p_cb->bg_conn_state = BLE_BG_CONN_ACTIVE;
                }
            }
        }
        else
            exec = FALSE;
    }
    else
    {
        if (p_cb->bg_conn_state == BLE_BG_CONN_ACTIVE)
        {
            if (!btsnd_hcic_ble_create_conn_cancel())
                exec = FALSE;
            else
                p_cb->bg_conn_state = BLE_BG_CONN_IDLE;
        }
    }
    return exec;
}
/*******************************************************************************
**
** Function         l2cble_init_direct_conn
**
** Description      This function is to initate a direct connection
**
** Returns          TRUE connection initiated, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN l2cble_init_direct_conn (tL2C_LCB *p_lcb)
{
    tBTM_SEC_DEV_REC    *p_dev_rec = btm_find_or_alloc_dev (p_lcb->remote_bd_addr);
    tBTM_BLE_CB         *p_cb = &btm_cb.ble_ctr_cb;
    UINT16               scan_int, scan_win;
    BD_ADDR         init_addr;
    UINT8           init_addr_type = BLE_ADDR_PUBLIC,
                    own_addr_type = BLE_ADDR_PUBLIC;

    /* There can be only one BLE connection request outstanding at a time */
    if (p_dev_rec == NULL)
    {
        BTM_TRACE_WARNING0 ("unknown device, can not initate connection");
        return(FALSE);
    }

    scan_int = (p_cb->scan_int == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_INT : p_cb->scan_int;
    scan_win = (p_cb->scan_win == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_WIN : p_cb->scan_win;

    init_addr_type = p_lcb->ble_addr_type;
    memcpy(init_addr, p_lcb->remote_bd_addr, BD_ADDR_LEN);

    if (!btsnd_hcic_ble_create_ll_conn (scan_int,/* UINT16 scan_int      */
                                        scan_win, /* UINT16 scan_win      */
                                        FALSE,                   /* UINT8 white_list     */
                                        p_lcb->ble_addr_type,          /* UINT8 addr_type_peer */
                                        p_lcb->remote_bd_addr,         /* BD_ADDR bda_peer     */
                                        BLE_ADDR_PUBLIC,         /* UINT8 addr_type_own  */
                                        (UINT16) ((p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.min_conn_int : BTM_BLE_CONN_INT_MIN),  /* UINT16 conn_int_min  */
                                        (UINT16) ((p_dev_rec->conn_params.max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.max_conn_int : BTM_BLE_CONN_INT_MIN),  /* UINT16 conn_int_max  */
                                        (UINT16) ((p_dev_rec->conn_params.slave_latency != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.slave_latency : 0), /* UINT16 conn_latency  */
                                        (UINT16) ((p_dev_rec->conn_params.supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.supervision_tout : BTM_BLE_CONN_SUP_TOUT_DEF), /* UINT16 conn_timeout  */
                                        0,                       /* UINT16 min_len       */
                                        0))                      /* UINT16 max_len       */
    {
        l2cu_release_lcb (p_lcb);
        L2CAP_TRACE_ERROR0("initate direct connection fail, no resources");
        return (FALSE);
    }
    else
    {
        p_lcb->link_state = LST_CONNECTING;
        memcpy (l2cb.ble_connecting_bda, p_lcb->remote_bd_addr, BD_ADDR_LEN);
        //Assigning below variable which is checked at LE conn cancel
        l2cb.is_ble_connecting=TRUE;
        btu_start_timer (&p_lcb->timer_entry, BTU_TTYPE_L2CAP_LINK, L2CAP_BLE_LINK_CONNECT_TOUT);
        btm_ble_set_conn_st (BLE_DIR_CONN);

        return (TRUE);
    }
}
示例#3
0
/*******************************************************************************
**
** Function         l2cble_init_direct_conn
**
** Description      This function is to initate a direct connection
**
** Returns          TRUE connection initiated, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN l2cble_init_direct_conn (tL2C_LCB *p_lcb)
{
    tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (p_lcb->remote_bd_addr);
    tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
    UINT16 scan_int;
    UINT16 scan_win;
    BD_ADDR peer_addr;
    UINT8 peer_addr_type = BLE_ADDR_PUBLIC;
    UINT8 own_addr_type = BLE_ADDR_PUBLIC;

    /* There can be only one BLE connection request outstanding at a time */
    if (p_dev_rec == NULL)
    {
        L2CAP_TRACE_WARNING ("unknown device, can not initate connection");
        return(FALSE);
    }

    scan_int = (p_cb->scan_int == BTM_BLE_SCAN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_INT : p_cb->scan_int;
    scan_win = (p_cb->scan_win == BTM_BLE_SCAN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_WIN : p_cb->scan_win;

    peer_addr_type = p_lcb->ble_addr_type;
    memcpy(peer_addr, p_lcb->remote_bd_addr, BD_ADDR_LEN);

#if ( (defined BLE_PRIVACY_SPT) && (BLE_PRIVACY_SPT == TRUE))
    own_addr_type = btm_cb.ble_ctr_cb.privacy_mode ? BLE_ADDR_RANDOM : BLE_ADDR_PUBLIC;
    if (p_dev_rec->ble.in_controller_list & BTM_RESOLVING_LIST_BIT)
    {
        if (btm_cb.ble_ctr_cb.privacy_mode >=  BTM_PRIVACY_1_2)
            own_addr_type |= BLE_ADDR_TYPE_ID_BIT;

        btm_ble_enable_resolving_list(BTM_BLE_RL_INIT);
        btm_random_pseudo_to_identity_addr(peer_addr, &peer_addr_type);
    }
    else
        btm_ble_disable_resolving_list(BTM_BLE_RL_INIT, TRUE);
#endif

    if (!btm_ble_topology_check(BTM_BLE_STATE_INIT))
    {
        l2cu_release_lcb (p_lcb);
        L2CAP_TRACE_ERROR("initate direct connection fail, topology limitation");
        return FALSE;
    }

    if (!btsnd_hcic_ble_create_ll_conn (scan_int,/* UINT16 scan_int      */
                                        scan_win, /* UINT16 scan_win      */
                                        FALSE,                   /* UINT8 white_list     */
                                        peer_addr_type,          /* UINT8 addr_type_peer */
                                        peer_addr,               /* BD_ADDR bda_peer     */
                                        own_addr_type,         /* UINT8 addr_type_own  */
        (UINT16) ((p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
        p_dev_rec->conn_params.min_conn_int : BTM_BLE_CONN_INT_MIN_DEF),  /* UINT16 conn_int_min  */
        (UINT16) ((p_dev_rec->conn_params.max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
        p_dev_rec->conn_params.max_conn_int : BTM_BLE_CONN_INT_MAX_DEF),  /* UINT16 conn_int_max  */
        (UINT16) ((p_dev_rec->conn_params.slave_latency != BTM_BLE_CONN_PARAM_UNDEF) ?
        p_dev_rec->conn_params.slave_latency : BTM_BLE_CONN_SLAVE_LATENCY_DEF), /* UINT16 conn_latency  */
        (UINT16) ((p_dev_rec->conn_params.supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) ?
        p_dev_rec->conn_params.supervision_tout : BTM_BLE_CONN_TIMEOUT_DEF), /* conn_timeout */
                                        0,                       /* UINT16 min_len       */
                                        0))                      /* UINT16 max_len       */
    {
        l2cu_release_lcb (p_lcb);
        L2CAP_TRACE_ERROR("initate direct connection fail, no resources");
        return (FALSE);
    }
    else
    {
        p_lcb->link_state = LST_CONNECTING;
        l2cb.is_ble_connecting = TRUE;
        memcpy (l2cb.ble_connecting_bda, p_lcb->remote_bd_addr, BD_ADDR_LEN);
        btu_start_timer (&p_lcb->timer_entry, BTU_TTYPE_L2CAP_LINK, L2CAP_BLE_LINK_CONNECT_TOUT);
        btm_ble_set_conn_st (BLE_DIR_CONN);

        return (TRUE);
    }
}
示例#4
0
/*******************************************************************************
**
** Function         btm_ble_start_auto_conn
**
** Description      This function is to start/stop auto connection procedure.
**
** Parameters       start: TRUE to start; FALSE to stop.
**
** Returns          void
**
*******************************************************************************/
BOOLEAN btm_ble_start_auto_conn(BOOLEAN start)
{
    tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
    BD_ADDR dummy_bda = {0};
    BOOLEAN exec = TRUE;
    UINT16 scan_int;
    UINT16 scan_win;
    UINT8 own_addr_type = p_cb->addr_mgnt_cb.own_addr_type;
    UINT8 peer_addr_type = BLE_ADDR_PUBLIC;

    if (start)
    {
        if (p_cb->conn_state == BLE_CONN_IDLE && background_connections_pending()
            && btm_ble_topology_check(BTM_BLE_STATE_INIT))
        {
            p_cb->wl_state  |= BTM_BLE_WL_INIT;

            btm_execute_wl_dev_operation();

#if BLE_PRIVACY_SPT == TRUE
            btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_INIT);
#endif
            scan_int = (p_cb->scan_int == BTM_BLE_SCAN_PARAM_UNDEF) ?
                                          BTM_BLE_SCAN_SLOW_INT_1 : p_cb->scan_int;
            scan_win = (p_cb->scan_win == BTM_BLE_SCAN_PARAM_UNDEF) ?
                                          BTM_BLE_SCAN_SLOW_WIN_1 : p_cb->scan_win;

#if BLE_PRIVACY_SPT == TRUE
            if (btm_cb.ble_ctr_cb.rl_state != BTM_BLE_RL_IDLE)
            {
                own_addr_type |= BLE_ADDR_TYPE_ID_BIT;
                peer_addr_type |= BLE_ADDR_TYPE_ID_BIT;
            }
#endif

            if (!btsnd_hcic_ble_create_ll_conn (scan_int,  /* UINT16 scan_int      */
                                                scan_win,    /* UINT16 scan_win      */
                                                0x01,                   /* UINT8 white_list     */
                                                peer_addr_type,        /* UINT8 addr_type_peer */
                                                dummy_bda,              /* BD_ADDR bda_peer     */
                                                own_addr_type,          /* UINT8 addr_type_own */
                                                BTM_BLE_CONN_INT_MIN_DEF,   /* UINT16 conn_int_min  */
                                                BTM_BLE_CONN_INT_MAX_DEF,   /* UINT16 conn_int_max  */
                                                BTM_BLE_CONN_SLAVE_LATENCY_DEF,  /* UINT16 conn_latency  */
                                                BTM_BLE_CONN_TIMEOUT_DEF,        /* UINT16 conn_timeout  */
                                                0,                       /* UINT16 min_len       */
                                                0))                      /* UINT16 max_len       */
            {
                /* start auto connection failed */
                exec =  FALSE;
                p_cb->wl_state &= ~BTM_BLE_WL_INIT;
            }
            else
            {
                btm_ble_set_conn_st (BLE_BG_CONN);
            }
        }
        else
        {
            exec = FALSE;
        }
    }
    else
    {
        if (p_cb->conn_state == BLE_BG_CONN)
        {
            btsnd_hcic_ble_create_conn_cancel();
            btm_ble_set_conn_st (BLE_CONN_CANCEL);
            p_cb->wl_state &= ~BTM_BLE_WL_INIT;
        }
        else
        {
            BTM_TRACE_DEBUG("conn_st = %d, not in auto conn state, cannot stop", p_cb->conn_state);
            exec = FALSE;
        }
    }
    return exec;
}
/*******************************************************************************
**
** Function         btm_ble_start_auto_conn
**
** Description      This function is to start/stop auto connection procedure.
**
** Parameters       start: TRUE to start; FALSE to stop.
**
** Returns          void
**
*******************************************************************************/
BOOLEAN btm_ble_start_auto_conn(BOOLEAN start)
{
    tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
    BD_ADDR dummy_bda = {0};
    BOOLEAN exec = TRUE;
    UINT16 scan_int, scan_win;

    if (start)
    {
        if ( p_cb->conn_state == BLE_CONN_IDLE )
        {
            exec = btm_execute_wl_dev_operation();
        }
        if ((p_cb->conn_state == BLE_CONN_IDLE && btm_ble_count_unconn_dev_in_whitelist() > 0)
            && btm_ble_topology_check(BTM_BLE_STATE_INIT))
        {
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
            /*enable offload if any unconn dev in WL are in IRK list*/
            if (btm_cb.cmn_ble_vsc_cb.rpa_offloading == TRUE && btm_ble_count_unconn_dev_in_wl_irk() > 0)
                btm_ble_vendor_enable_irk_feature(TRUE);
#endif
            scan_int = (p_cb->scan_int == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_SLOW_INT_1 : p_cb->scan_int;
            scan_win = (p_cb->scan_win == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_SLOW_WIN_1 : p_cb->scan_win;

            if (!btsnd_hcic_ble_create_ll_conn (scan_int,  /* UINT16 scan_int      */
                                                scan_win,    /* UINT16 scan_win      */
                                                0x01,                   /* UINT8 white_list     */
                                                BLE_ADDR_PUBLIC,        /* UINT8 addr_type_peer */
                                                dummy_bda,              /* BD_ADDR bda_peer     */
                                                p_cb->addr_mgnt_cb.own_addr_type,
                                                   /* UINT8 addr_type_own,
                                                   not allow random address for central  */
                                                BTM_BLE_CONN_INT_MIN_DEF,   /* UINT16 conn_int_min  */
                                                BTM_BLE_CONN_INT_MAX_DEF,   /* UINT16 conn_int_max  */
                                                BTM_BLE_CONN_SLAVE_LATENCY_DEF,  /* UINT16 conn_latency  */
                                                BTM_BLE_CONN_TIMEOUT_DEF,        /* UINT16 conn_timeout  */
                                                0,                       /* UINT16 min_len       */
                                                0))                      /* UINT16 max_len       */
            {
                /* start auto connection failed */
                exec =  FALSE;
            }
            else
            {
                btm_ble_set_conn_st (BLE_BG_CONN);
                p_cb->wl_state |= BTM_BLE_WL_INIT;
            }
        }
        else
        {
            exec = FALSE;
        }
    }
    else
    {
        if (p_cb->conn_state == BLE_BG_CONN)
        {
            btsnd_hcic_ble_create_conn_cancel();
            btm_ble_set_conn_st (BLE_CONN_CANCEL);
            p_cb->wl_state |= BTM_BLE_WL_INIT;
        }
        else
        {
#if 0
            BTM_TRACE_ERROR("conn_st = %d, not in auto conn state, can not stop.", p_cb->conn_state);
            exec = FALSE;
#endif
        }
    }
    return exec;
}
/*******************************************************************************
**
** Function         btm_ble_start_auto_conn
**
** Description      This function is to start/stop auto connection procedure.
**
** Parameters       start: TRUE to start; FALSE to stop.
**
** Returns          void
**
*******************************************************************************/
BOOLEAN btm_ble_start_auto_conn(BOOLEAN start)
{
    tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
    BD_ADDR dummy_bda = {0};
    BOOLEAN exec = TRUE;
    UINT8  own_addr_type = BLE_ADDR_PUBLIC;
    UINT16 scan_int, scan_win;

    if (start)
    {
        if (p_cb->conn_state == BLE_CONN_IDLE && btm_ble_count_unconn_dev_in_whitelist() > 0)
        {
            btm_execute_wl_dev_operation();

            scan_int = (p_cb->scan_int == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_SLOW_INT_1 : p_cb->scan_int;
            scan_win = (p_cb->scan_win == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_SLOW_WIN_1 : p_cb->scan_win;

            if (!btsnd_hcic_ble_create_ll_conn (scan_int,  /* UINT16 scan_int      */
                                                scan_win,    /* UINT16 scan_win      */
                                                0x01,                   /* UINT8 white_list     */
                                                BLE_ADDR_PUBLIC,        /* UINT8 addr_type_peer */
                                                dummy_bda,              /* BD_ADDR bda_peer     */
                                                own_addr_type,         /* UINT8 addr_type_own, not allow random address for central  */
                                                BTM_BLE_CONN_INT_MIN_DEF,   /* UINT16 conn_int_min  */
                                                BTM_BLE_CONN_INT_MAX_DEF,   /* UINT16 conn_int_max  */
                                                BTM_BLE_CONN_SLAVE_LATENCY_DEF,  /* UINT16 conn_latency  */
                                                BTM_BLE_CONN_TIMEOUT_DEF,        /* UINT16 conn_timeout  */
                                                0,                       /* UINT16 min_len       */
                                                0))                      /* UINT16 max_len       */
            {
                /* start auto connection failed */
                exec =  FALSE;
            }
            else
            {
#ifdef BLUETOOTH_RTK
                p_cb->wl_state |= BTM_BLE_WL_INIT;
#endif
                btm_ble_set_conn_st (BLE_BG_CONN);

            }
        }
        else
        {
            exec = FALSE;
        }
    }
    else
    {
        if (p_cb->conn_state == BLE_BG_CONN)
        {
            btsnd_hcic_ble_create_conn_cancel();
            btm_ble_set_conn_st (BLE_CONN_CANCEL); 

        }
        else
        {
#if 0
            BTM_TRACE_ERROR1("conn_st = %d, not in auto conn state, can not stop.", p_cb->conn_state);
            exec = FALSE;
#endif
        }
    }
    return exec;
}
/*******************************************************************************
**
** Function         l2cble_init_direct_conn
**
** Description      This function is to initate a direct connection
**
** Returns          TRUE connection initiated, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN l2cble_init_direct_conn (tL2C_LCB *p_lcb)
{
    tBTM_SEC_DEV_REC    *p_dev_rec = btm_find_or_alloc_dev (p_lcb->remote_bd_addr);
    tBTM_BLE_CB         *p_cb = &btm_cb.ble_ctr_cb;
    UINT16               scan_int, scan_win;
    BD_ADDR         init_addr;
    UINT8           init_addr_type = BLE_ADDR_PUBLIC,
                    own_addr_type = BLE_ADDR_PUBLIC;

    /* There can be only one BLE connection request outstanding at a time */
    if (p_dev_rec == NULL)
    {
        L2CAP_TRACE_WARNING ("unknown device, can not initate connection");
        return(FALSE);
    }

    scan_int = (p_cb->scan_int == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_INT : p_cb->scan_int;
    scan_win = (p_cb->scan_win == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_WIN : p_cb->scan_win;

    init_addr_type = p_lcb->ble_addr_type;
    memcpy(init_addr, p_lcb->remote_bd_addr, BD_ADDR_LEN);

#if BLE_PRIVACY_SPT == TRUE
    /* if RPA offloading supported */
    if (btm_ble_vendor_irk_list_load_dev(p_dev_rec))
        btm_random_pseudo_to_public(init_addr, &init_addr_type);
    /* otherwise, if remote is RPA enabled, use latest RPA */
    else if (p_dev_rec->ble.active_addr_type == BTM_BLE_ADDR_RRA)
    {
        init_addr_type = BLE_ADDR_RANDOM;
        memcpy(init_addr, p_dev_rec->ble.cur_rand_addr, BD_ADDR_LEN);
    }
    /* if privacy is on and current do not consider using reconnection address */
    if (btm_cb.ble_ctr_cb.privacy ) /* && p_dev_rec->ble.use_reconn_addr */
        own_addr_type = BLE_ADDR_RANDOM;
#endif

    if (!btm_ble_topology_check(BTM_BLE_STATE_INIT))
    {
        l2cu_release_lcb (p_lcb);
        L2CAP_TRACE_ERROR("initate direct connection fail, topology limitation");
        return FALSE;
    }

    if (!btsnd_hcic_ble_create_ll_conn (scan_int,/* UINT16 scan_int      */
                                        scan_win, /* UINT16 scan_win      */
                                        FALSE,                   /* UINT8 white_list     */
                                        init_addr_type,          /* UINT8 addr_type_peer */
                                        init_addr,               /* BD_ADDR bda_peer     */
                                        own_addr_type,         /* UINT8 addr_type_own  */
                                        (UINT16) ((p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
                                                p_dev_rec->conn_params.min_conn_int : BTM_BLE_CONN_INT_MIN_DEF),  /* UINT16 conn_int_min  */
                                        (UINT16) ((p_dev_rec->conn_params.max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
                                                p_dev_rec->conn_params.max_conn_int : BTM_BLE_CONN_INT_MAX_DEF),  /* UINT16 conn_int_max  */
                                        (UINT16) ((p_dev_rec->conn_params.slave_latency != BTM_BLE_CONN_PARAM_UNDEF) ?
                                                p_dev_rec->conn_params.slave_latency : BTM_BLE_CONN_SLAVE_LATENCY_DEF), /* UINT16 conn_latency  */
                                        (UINT16) ((p_dev_rec->conn_params.supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) ?
                                                p_dev_rec->conn_params.supervision_tout : BTM_BLE_CONN_TIMEOUT_DEF), /* conn_timeout */
                                        0,                       /* UINT16 min_len       */
                                        0))                      /* UINT16 max_len       */
    {
        l2cu_release_lcb (p_lcb);
        L2CAP_TRACE_ERROR("initate direct connection fail, no resources");
        return (FALSE);
    }
    else
    {
        p_lcb->link_state = LST_CONNECTING;
        l2cb.is_ble_connecting = TRUE;
        memcpy (l2cb.ble_connecting_bda, p_lcb->remote_bd_addr, BD_ADDR_LEN);
        btu_start_timer (&p_lcb->timer_entry, BTU_TTYPE_L2CAP_LINK, L2CAP_BLE_LINK_CONNECT_TOUT);
        btm_ble_set_conn_st (BLE_DIR_CONN);

        return (TRUE);
    }
}