static void advertising_init(void)
{

    uint32_t               err_code;
    ble_advertising_init_t init;

    uint8_t m_addl_adv_manuf_data[19] = {0xaa,0xbb,0x00,0x00,0xC4,0xF1,0x00,0x0b,0x03,0x01};			

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

    ble_advdata_manuf_data_t   manuf_data;	
		
		
    manuf_data.data.size          = sizeof(m_addl_adv_manuf_data);
    manuf_data.data.p_data        = &m_addl_adv_manuf_data[2];
		
    init.advdata.p_manuf_specific_data 	= &manuf_data;		
    init.advdata.flags              		= BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;

    init.srdata.name_type          			= BLE_ADVDATA_FULL_NAME;		
    init.srdata.include_appearance 			= false;
    init.srdata.uuids_complete.uuid_cnt	= sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]);
    init.srdata.uuids_complete.p_uuids  = m_adv_uuids;	
		
	
    init.config.ble_adv_fast_enabled  = true;

	
    init.config.ble_adv_fast_interval = APP_ADV_INTERVAL;
		
    init.config.ble_adv_fast_timeout  = APP_ADV_DURATION;

    err_code = ble_advertising_init(&m_advertising, &init);
    APP_ERROR_CHECK(err_code);
		
    ble_advertising_conn_cfg_tag_set(&m_advertising, APP_BLE_CONN_CFG_TAG);
							
}

ble_gap_scan_params_t const m_scan_params =
{
    .active   = 1,
    .interval = SCAN_INTERVAL,
    .window   = SCAN_WINDOW,

    .timeout           = SCAN_DURATION,
    .scan_phys         = BLE_GAP_PHY_1MBPS,
    .filter_policy     = BLE_GAP_SCAN_FP_ACCEPT_ALL,

};

void on_adv_report(ble_gap_evt_adv_report_t const * p_adv_report)
{
	
	printf("scan_response=%04x\r\n",p_adv_report->type);
	printf("%02x %02x %02x %02x %02x %02x\r\n",p_adv_report->peer_addr.addr[5],
						   p_adv_report->peer_addr.addr[4],p_adv_report->peer_addr.addr[3],
						   p_adv_report->peer_addr.addr[2],p_adv_report->peer_addr.addr[1],
						   p_adv_report->peer_addr.addr[0]);

	if(p_adv_report->peer_addr.addr[5]==0xDE&&p_adv_report->peer_addr.addr[4]==0x88)
	{
	     printf("ADV data:\r\n");
	     for(uint8_t i=0;i<p_adv_report->data.len;i++)
		printf("%02x ",p_adv_report->data.p_data[i]);
	     printf("\r\n");	
	}

	uint32_t ret = sd_ble_gap_scan_start(&m_scan_params, &m_scan_buffer);
}