https://devzone.nordicsemi.com/f/nordic-q-a/47690/add-whitelist-to-ble_central_and_peripheral-examples-error-code-12804Add whitelist function in \ nrf5_sdk_15.2.0 _9412b96\examples\ble_central_and_peripheral\experimental\ble_app_hrs_rscs_relay, and report error 12804 (0x3204) after disconnection. From the identities_set(PM_PEER_ID_LIST_SKIP_ALL) in BLE_ADV_EVT_PEER_ADDR_REQUEST;en-USTelligent Community 13Fri, 24 May 2019 14:41:58 GMThttps://devzone.nordicsemi.com/thread/189089?ContentTypeID=1Fri, 24 May 2019 14:41:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f0eb0a98-1b56-4701-87bb-4a6484bb55d4J&#248;rgen Holmefjord<p>Hi,</p> <p>This is from the documentation of return values from&nbsp;<a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.api.v6.1.1/group___b_l_e___g_a_p___f_u_n_c_t_i_o_n_s.html#ga16fa7a0ac608c4955a2e4feea7a10784">sd_ble_gap_device_identities_set</a>:</p> <table> <tbody> <tr> <td colspan="1" rowspan="1"><a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.api.v6.1.1/group___b_l_e___e_r_r_o_r_s___g_a_p.html#ga257371c3cf06045f7d4be9eb7b6c03f7">BLE_ERROR_GAP_DEVICE_IDENTITIES_IN_USE</a></td> <td colspan="1" rowspan="1">The device identity list is in use and cannot be set or cleared.</td> </tr> </tbody> </table> <p>You cannot update the identity list when it is used by scanner. You need to stop scanner and restart it as you suggest, in order to set the new list.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/188927?ContentTypeID=1Fri, 24 May 2019 01:41:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4b72e650-c78b-4e11-ad0f-8ca75d620e93shenwrt<p>Before all identities_set(), I first nrf_ble_scan_stop(); then identities_set, and finally scan_start(); there will be no error. Is there any problem with this?</p><div style="clear:both;"></div>