static void gap_params_init(void)

{

sdk_err_t error_code;

ble_gap_scan_param_t scan_param;

ble_gap_pair_enable(true);

ble_sec_params_set(&s_sec_param);

ble_gap_privacy_params_set(150, true);

scan_param.scan_type = BLE_GAP_SCAN_ACTIVE;

scan_param.scan_mode = BLE_GAP_SCAN_OBSERVER_MODE;

scan_param.scan_dup_filt = BLE_GAP_SCAN_FILT_DUPLIC_EN;

scan_param.use_whitelist = false;

scan_param.interval = APP_SCAN_INTERVAL;

scan_param.window = APP_SCAN_WINDOW;

scan_param.timeout = APP_SCAN_DURATION;

error_code = ble_gap_scan_param_set(BLE_GAP_OWN_ADDR_STATIC, &scan_param);

APP_ERROR_CHECK(error_code);

error_code = ble_gap_l2cap_params_set(MAX_MTU_DEFUALT, MAX_MPS_DEFUALT, MAX_NB_LECB_DEFUALT);

APP_ERROR_CHECK(error_code);

error_code = ble_gap_data_length_set(MAX_TX_OCTET_DEFUALT, MAX_TX_TIME_DEFUALT);

APP_ERROR_CHECK(error_code);

ble_gap_pref_phy_set(BLE_GAP_PHY_ANY, BLE_GAP_PHY_ANY);

}