/*******************************************************************************
**
** Function btm_ble_start_select_conn
**
** Description This function is to start/stop selective connection procedure.
**
** Parameters start: TRUE to start; FALSE to stop.
** p_select_cback: callback function to return application
** selection.
**
** Returns BOOLEAN: selective connectino procedure is started.
**
*******************************************************************************/
BOOLEAN btm_ble_start_select_conn(BOOLEAN start,tBTM_BLE_SEL_CBACK *p_select_cback)
{
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
UINT16 scan_int, scan_win;
BTM_TRACE_EVENT ("btm_ble_start_select_conn");
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;
if (start)
{
if (!BTM_BLE_IS_SCAN_ACTIVE(p_cb->scan_activity))
{
if (p_select_cback != NULL)
btm_cb.ble_ctr_cb.p_select_cback = p_select_cback;
btm_execute_wl_dev_operation();
btm_update_scanner_filter_policy(SP_ADV_WL);
btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_PASS;
if (!btsnd_hcic_ble_set_scan_params(BTM_BLE_SCAN_MODE_PASS, /* use passive scan by default */
scan_int, /* scan interval */
scan_win, /* scan window */
p_cb->addr_mgnt_cb.own_addr_type,
SP_ADV_WL) /* process advertising packets only from devices in the White List */
)
return FALSE;
if (!btm_ble_topology_check(BTM_BLE_STATE_PASSIVE_SCAN))
{
BTM_TRACE_ERROR("peripheral device cannot initiate passive scan for a selective connection");
return FALSE;
}
else if (p_cb->bg_dev_num > 0 && btm_ble_count_unconn_dev_in_whitelist() > 0 )
{
if (!btsnd_hcic_ble_set_scan_enable(TRUE, TRUE)) /* duplicate filtering enabled */
return FALSE;
/* mark up inquiry status flag */
p_cb->scan_activity |= BTM_LE_SELECT_CONN_ACTIVE;
p_cb->wl_state |= BTM_BLE_WL_SCAN;
}
}
else
{
BTM_TRACE_ERROR("scan active, can not start selective connection procedure");
return FALSE;
}
}
else /* disable selective connection mode */
{
p_cb->scan_activity &= ~BTM_LE_SELECT_CONN_ACTIVE;
p_cb->p_select_cback = NULL;
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
if (btm_cb.cmn_ble_vsc_cb.rpa_offloading == TRUE)
btm_ble_vendor_disable_irk_list();
#endif
p_cb->wl_state |= BTM_BLE_WL_SCAN;
/* stop scanning */
if (!BTM_BLE_IS_SCAN_ACTIVE(p_cb->scan_activity))
btm_ble_stop_scan(); /* duplicate filtering enabled */
btm_update_scanner_filter_policy(SP_ADV_ALL);
}
return TRUE;
}
/*******************************************************************************
**
** 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))
{
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;
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
if (btm_cb.cmn_ble_vsc_cb.rpa_offloading == TRUE)
btm_ble_vendor_disable_irk_list();
#endif
}
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;
}
