Get the fixed addr of ADV_REPORT continually (nRF52840)

Question

Environment

Platform: Windows 7
IDE: SEGGER Embedded Studio for ARM V5.42a (64bit)
SDK: clean nRF5_SDK_17.1.0
Project: usbd_ble_uart_c_v4 and modify with usbd function
SoftDevice: s140_nrf52_7.2.0_softdevice.hex
Terminal: PuTTy (COM7 , baud rate 115200)

Purpose/ Question

Hi everybody. I want to scan and print the address of advertising data to serial port on 52840 dongle. I set the scan filter (UUID/ ADDR/ NAME/ SHORT NAME) and

print the address in case BLE_GAP_EVT_ADV_REPORT of ble_evt_handler, and then it prints the fixed direct_addr/ peer_addr and fixed peer_addr.addr_id_peer continually

on the terminal. How can I solve it? Thank you.

Code

Scan part of sdk_config.h

// <e> NRF_BLE_SCAN_FILTER_ENABLE - Enabling filters for the Scanning Module.
//==========================================================
#ifndef NRF_BLE_SCAN_FILTER_ENABLE
#define NRF_BLE_SCAN_FILTER_ENABLE 1
#endif
// <o> NRF_BLE_SCAN_UUID_CNT - Number of filters for UUIDs. 
#ifndef NRF_BLE_SCAN_UUID_CNT
#define NRF_BLE_SCAN_UUID_CNT 0 // v0.02
#endif
// <o> NRF_BLE_SCAN_NAME_CNT - Number of name filters. 
#ifndef NRF_BLE_SCAN_NAME_CNT
#define NRF_BLE_SCAN_NAME_CNT 0 // v0.02
#endif
// <o> NRF_BLE_SCAN_SHORT_NAME_CNT - Number of short name filters. 
#ifndef NRF_BLE_SCAN_SHORT_NAME_CNT
#define NRF_BLE_SCAN_SHORT_NAME_CNT 1
#endif
// <o> NRF_BLE_SCAN_ADDRESS_CNT - Number of address filters. 
#ifndef NRF_BLE_SCAN_ADDRESS_CNT
#define NRF_BLE_SCAN_ADDRESS_CNT 0 // v0.02
#endif
// <o> NRF_BLE_SCAN_APPEARANCE_CNT - Number of appearance filters. 
#ifndef NRF_BLE_SCAN_APPEARANCE_CNT
#define NRF_BLE_SCAN_APPEARANCE_CNT 0
#endif

scan_init(void)

static void scan_init(void)
{
    ret_code_t          err_code;
    nrf_ble_scan_init_t init_scan;

    memset(&init_scan, 0, sizeof(init_scan));

    init_scan.connect_if_match = false;
    init_scan.conn_cfg_tag     = APP_BLE_CONN_CFG_TAG;

    err_code = nrf_ble_scan_init(&m_scan, &init_scan, scan_evt_handler);
    APP_ERROR_CHECK(err_code);

    /* v0.02  change from 'SCAN_UUID_FILTER' to 'SCAN_ADDR_FILTER' 
    err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_ADDR_FILTER, m_target_periph.addr);
    APP_ERROR_CHECK(err_code);

    err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_ADDR_FILTER, false);
    APP_ERROR_CHECK(err_code); */
    
    err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_SHORT_NAME_FILTER, m_target_periph_name);
    APP_ERROR_CHECK(err_code);

    err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_SHORT_NAME_FILTER, false);
    APP_ERROR_CHECK(err_code); 
}

case BLE_GAP_EVT_ADV_REPORT of ble_evt_handler

case BLE_GAP_EVT_ADV_REPORT: 
        {            
            size_t size;
            ret_code_t ret;

            size = sprintf(m_test_buffer, "PEER_ADDR:%x\r\n", p_gap_evt->params.adv_report.peer_addr.addr);
            ret = app_usbd_cdc_acm_write(&m_app_cdc_acm, m_test_buffer, size); 
            
            //size = sprintf(m_test_buffer, "DIRECT_ADDR:%s\r\n", p_gap_evt->params.adv_report.direct_addr.addr);
            //ret = app_usbd_cdc_acm_write(&m_app_cdc_acm, m_test_buffer, size); 

        } break;

Result on terminal