diff --git a/components/bt/bluedroid/stack/btm/btm_ble_gap.c b/components/bt/bluedroid/stack/btm/btm_ble_gap.c index 4444a11d94..109a816896 100644 --- a/components/bt/bluedroid/stack/btm/btm_ble_gap.c +++ b/components/bt/bluedroid/stack/btm/btm_ble_gap.c @@ -441,6 +441,7 @@ tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT32 duration, tBTM_STATUS BTM_BleScan(BOOLEAN start, UINT32 duration, tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb) { + tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var; tBTM_STATUS status = BTM_WRONG_MODE; if (!controller_get_interface()->supports_ble()) { @@ -465,6 +466,20 @@ tBTM_STATUS BTM_BleScan(BOOLEAN start, UINT32 duration, /* enable resolving list */ btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_SCAN); #endif + // if not set scan params, set default scan params + if (!p_inq->scan_params_set) { + /* allow config of scan type */ + p_inq->scan_type = BTM_BLE_SCAN_MODE_ACTI; + p_inq->scan_interval = BTM_BLE_GAP_DISC_SCAN_INT; + p_inq->scan_window = BTM_BLE_GAP_DISC_SCAN_WIN; + p_inq->sfp = BTM_BLE_DEFAULT_SFP; + p_inq->scan_params_set = TRUE; + p_inq->scan_duplicate_filter = BTM_BLE_DUPLICATE_DISABLE; + btsnd_hcic_ble_set_scan_params(p_inq->scan_type, p_inq->scan_interval, + p_inq->scan_window, + btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type, + p_inq->sfp); + } status = btm_ble_start_scan(); } @@ -3211,25 +3226,6 @@ static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt } } -static void btm_ble_recover_scan_params(void) -{ - tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var; - - if (p_inq->scan_params_set) { - /// set back the scan params to the controller after stop the scan - btsnd_hcic_ble_set_scan_params(p_inq->scan_type, p_inq->scan_interval, - p_inq->scan_window, - btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type, - p_inq->sfp); - } else { - /// set the default value if the scan params not set yet - btm_update_scanner_filter_policy(SP_ADV_ALL); - - btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_SCAN; - } - -} - /******************************************************************************* ** ** Function btm_ble_start_scan @@ -3243,8 +3239,7 @@ tBTM_STATUS btm_ble_start_scan(void) { tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var; tBTM_STATUS status = BTM_CMD_STARTED; - // recoverly the scan parameters to the controller before start scan - btm_ble_recover_scan_params(); + if(p_inq->scan_duplicate_filter > BTM_BLE_DUPLICATE_MAX) { p_inq->scan_duplicate_filter = BTM_BLE_DUPLICATE_DISABLE; } @@ -3378,8 +3373,6 @@ static void btm_ble_stop_discover(void) btm_cb.ble_ctr_cb.inq_var.state = BTM_BLE_STOP_SCAN; /* stop discovery now */ btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE); - // recoverly the scan parameters to the controller after stop scan - btm_ble_recover_scan_params(); } if (p_scan_cb) {