BLE_GAP_EVT_SEC_REQUEST event missing?

Question

Hello everyone, 
 
 1st of all, thank you for taking your time to have a look over my "problem". 
 
 I have a device that I am working on, that acts as aperipheral, it is a non NRF one. 
 I also have a NRF52DK that I am using to develop the central device for my peripheral. 
 In the central (NRF52DK), for connection, I am scanning for Local Name (shortened local name never works for me). 
 Immediately after a connection is estabilished, from peripheral I issue a BLE_GAP_EVT_SEC_REQUEST, that is visible on the sniffer log, but I seem to get no event in the central device at ble_evt_handler level. 
 
 Probably I am completely missing something, but please, can anyone help me out finding out what am I missing? 
 
 Thank you in advance, 
 Victor

Susheel Nuguru · Answer

Changing #define NRF_LOG_DEFAULT_LEVEL 4 in sdk_config.h file and using unchanged main.c file you attached. changing the name and adding authenticate in blinky peripheral example at the connected event as below case BLE_GAP_EVT_CONNECTED: NRF_LOG_INFO("Connected"); bsp_board_led_on(CONNECTED_LED); bsp_board_led_off(ADVERTISING_LED); m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle; err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_conn_handle); APP_ERROR_CHECK(err_code); err_code = app_button_enable(); APP_ERROR_CHECK(err_code); sd_ble_gap_authenticate(m_conn_handle, &sec_params ); break; I get the event you said is missing in your end. nrf_ble_gq: Registering connection handle: 0x0000 ble_db_disc: Starting discovery of service with UUID 0x1523 on connection handle 0x0. nrf_ble_gq: Adding item to the request queue nrf_ble_gq: GATTC Primary Services Discovery Request nrf_ble_gq: SD GATT procedure (2) succeeded on connection handle: 0. app: security requested ble_db_disc: Found service UUID 0x1523. nrf_ble_gq: Adding item to the request queue nrf_ble_gq: GATTC Characteristic Discovery Request nrf_ble_gq: SD GATT procedure (3) succeeded on connection handle: 0. nrf_ble_gq: Processing the request queue... nrf_ble_gq: Adding item to the request queue nrf_ble_gq: GATTC Characteristic Discovery Request nrf_ble_gq: SD GATT procedure (3) succeeded on connection handle: 0. nrf_ble_gq: Processing the request queue... nrf_ble_gq: Adding item to the request queue nrf_ble_gq: GATTC Characteristic Discovery Request nrf_ble_gq: SD GATT procedure (3) succeeded on connection handle: 0. nrf_ble_gq: Processing the request queue... nrf_ble_gq: Adding item to the request queue nrf_ble_gq: GATTC Characteristic Descriptor Request nrf_ble_gq: SD GATT procedure (4) succeeded on connection handle: 0. nrf_ble_gq: Processing the request queue... nrf_ble_gq: Adding item to the request queue nrf_ble_gq: GATTC Characteristic Descriptor Request nrf_ble_gq: SD GATT procedure (4) succeeded on connection handle: 0. nrf_ble_gq: Processing the request queue... ble_db_disc: Discovery of service with UUID 0x1523 completed with success on connection handle 0x0. ble_lbs_c: LED Button Service discovered at peer. app: LED Button service discovered on conn_handle 0x0. ble_lbs_c: Configuring CCCD. CCCD Handle = 14, Connection Handle = 0 nrf_ble_gq: Adding item to the request queue nrf_ble_gq: GATTC Write Request nrf_ble_gq: SD GATT procedure (1) succeeded on connection handle: 0. nrf_ble_gq: Processing the request queue... nrf_ble_gq: Processing the request queue...

BLE_GAP_EVT_SEC_REQUEST event missing?

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