static void on_advertising_event(ble_adv_evt_t ble_adv_evt) { uint32_t err_code; switch (ble_adv_evt) { case BLE_ADV_EVT_IDLE: // 再度 slow でアドバタイジングを再開する。 err_code = ble_advertising_start(BLE_ADV_MODE_SLOW); APP_ERROR_CHECK(err_code); break; case BLE_ADV_EVT_DIRECTED: NRF_LOG_PRINTF_DEBUG("\nBLE_ADV_EVT_DIRECTED.\n"); break; case BLE_ADV_EVT_FAST: NRF_LOG_PRINTF_DEBUG("\nBLE_ADV_EVT_FAST.\n"); break; case BLE_ADV_EVT_SLOW: NRF_LOG_PRINTF_DEBUG("\nBLE_ADV_EVT_SLOW.\n"); break; case BLE_ADV_EVT_FAST_WHITELIST: NRF_LOG_PRINTF_DEBUG("\nBLE_ADV_EVT_FAST_WHITELIST.\n"); break; case BLE_ADV_EVT_SLOW_WHITELIST: NRF_LOG_PRINTF_DEBUG("\nBLE_ADV_EVT_SLOW_WHITELIST.\n"); break; case BLE_ADV_EVT_WHITELIST_REQUEST: NRF_LOG_PRINTF_DEBUG("\nBLE_ADV_EVT_WHITELIST_REQUEST.\n"); break; // Direct接続を使わないので、これを処理する必要はない。 case BLE_ADV_EVT_PEER_ADDR_REQUEST: NRF_LOG_PRINTF_DEBUG("\nBLE_ADV_EVT_PEER_ADDR_REQUEST.\n"); break; default: break; } }
static void on_advertising_error(uint32_t nrf_error) { NRF_LOG_PRINTF_DEBUG("\non_advertising_error() error:0x%0x.", nrf_error); }
/**@brief Function for handling Peer Manager events. * * @param[in] p_evt Peer Manager event. */ static void pm_evt_handler(pm_evt_t const * p_evt) { ret_code_t err_code; switch(p_evt->evt_id) { case PM_EVT_BONDED_PEER_CONNECTED: { NRF_LOG_PRINTF_DEBUG("Connected to previously bonded device\r\n"); err_code = pm_peer_rank_highest(p_evt->peer_id); if (err_code != NRF_ERROR_BUSY) { APP_ERROR_CHECK(err_code); } }break;//PM_EVT_BONDED_PEER_CONNECTED case PM_EVT_CONN_SEC_START: break;//PM_EVT_CONN_SEC_START case PM_EVT_CONN_SEC_SUCCEEDED: { NRF_LOG_PRINTF("Link secured. Role: %d. conn_handle: %d, Procedure: %d\r\n", ble_conn_state_role(p_evt->conn_handle), p_evt->conn_handle, p_evt->params.conn_sec_succeeded.procedure); err_code = pm_peer_rank_highest(p_evt->peer_id); if (err_code != NRF_ERROR_BUSY) { APP_ERROR_CHECK(err_code); } }break;//PM_EVT_CONN_SEC_SUCCEEDED case PM_EVT_CONN_SEC_FAILED: { /** In some cases, when securing fails, it can be restarted directly. Sometimes it can * be restarted, but only after changing some Security Parameters. Sometimes, it cannot * be restarted until the link is disconnected and reconnected. Sometimes it is * impossible, to secure the link, or the peer device does not support it. How to * handle this error is highly application dependent. */ switch (p_evt->params.conn_sec_failed.error) { case PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING: // Rebond if one party has lost its keys. err_code = pm_conn_secure(p_evt->conn_handle, true); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } break;//PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING default: break; } }break;//PM_EVT_CONN_SEC_FAILED case PM_EVT_CONN_SEC_CONFIG_REQ: { // Reject pairing request from an already bonded peer. pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false}; pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config); }break;//PM_EVT_CONN_SEC_CONFIG_REQ case PM_EVT_STORAGE_FULL: { // Run garbage collection on the flash. err_code = fds_gc(); if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES) { // Retry. } else { APP_ERROR_CHECK(err_code); } }break;//PM_EVT_STORAGE_FULL case PM_EVT_ERROR_UNEXPECTED: // Assert. APP_ERROR_CHECK(p_evt->params.error_unexpected.error); break;//PM_EVT_ERROR_UNEXPECTED case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED: break;//PM_EVT_PEER_DATA_UPDATE_SUCCEEDED case PM_EVT_PEER_DATA_UPDATE_FAILED: // Assert. APP_ERROR_CHECK_BOOL(false); break;//PM_EVT_PEER_DATA_UPDATE_FAILED case PM_EVT_PEER_DELETE_SUCCEEDED: break;//PM_EVT_PEER_DELETE_SUCCEEDED case PM_EVT_PEER_DELETE_FAILED: // Assert. APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error); break;//PM_EVT_PEER_DELETE_FAILED case PM_EVT_PEERS_DELETE_SUCCEEDED: adv_scan_start(); break;//PM_EVT_PEERS_DELETE_SUCCEEDED case PM_EVT_PEERS_DELETE_FAILED: // Assert. APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error); break;//PM_EVT_PEERS_DELETE_FAILED case PM_EVT_LOCAL_DB_CACHE_APPLIED: break;//PM_EVT_LOCAL_DB_CACHE_APPLIED case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED: // The local database has likely changed, send service changed indications. pm_local_database_has_changed(); break;//PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED case PM_EVT_SERVICE_CHANGED_IND_SENT: break;//PM_EVT_SERVICE_CHANGED_IND_SENT case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED: break;//PM_EVT_SERVICE_CHANGED_IND_CONFIRMED default: // No implementation needed. break; } } /**@brief Handles events coming from the Heart Rate central module. */ static void hrs_c_evt_handler(ble_hrs_c_t * p_hrs_c, ble_hrs_c_evt_t * p_hrs_c_evt) { switch (p_hrs_c_evt->evt_type) { case BLE_HRS_C_EVT_DISCOVERY_COMPLETE: { if (m_conn_handle_hrs_c == BLE_CONN_HANDLE_INVALID) { ret_code_t err_code; m_conn_handle_hrs_c = p_hrs_c_evt->conn_handle; NRF_LOG_PRINTF("HRS discovered on conn_handle 0x%x\r\n", m_conn_handle_hrs_c); err_code = ble_hrs_c_handles_assign(p_hrs_c, m_conn_handle_hrs_c, &p_hrs_c_evt->params.peer_db); APP_ERROR_CHECK(err_code); // Initiate bonding. err_code = pm_conn_secure(m_conn_handle_hrs_c, false); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } // Heart rate service discovered. Enable notification of Heart Rate Measurement. err_code = ble_hrs_c_hrm_notif_enable(p_hrs_c); APP_ERROR_CHECK(err_code); } } break; // BLE_HRS_C_EVT_DISCOVERY_COMPLETE case BLE_HRS_C_EVT_HRM_NOTIFICATION: { ret_code_t err_code; NRF_LOG_PRINTF("Heart Rate = %d\r\n", p_hrs_c_evt->params.hrm.hr_value); err_code = ble_hrs_heart_rate_measurement_send(&m_hrs, p_hrs_c_evt->params.hrm.hr_value); if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_INVALID_STATE) && (err_code != BLE_ERROR_NO_TX_PACKETS) && (err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING) ) { APP_ERROR_HANDLER(err_code); } } break; // BLE_HRS_C_EVT_HRM_NOTIFICATION default: // No implementation needed. break; } } /**@brief Handles events coming from Running Speed and Cadence central module. */ static void rscs_c_evt_handler(ble_rscs_c_t * p_rscs_c, ble_rscs_c_evt_t * p_rscs_c_evt) { switch (p_rscs_c_evt->evt_type) { case BLE_RSCS_C_EVT_DISCOVERY_COMPLETE: { if (m_conn_handle_rscs_c == BLE_CONN_HANDLE_INVALID) { ret_code_t err_code; m_conn_handle_rscs_c = p_rscs_c_evt->conn_handle; NRF_LOG_PRINTF("Running Speed and Cadence service discovered on conn_handle 0x%x\r\n", m_conn_handle_rscs_c); err_code = ble_rscs_c_handles_assign(p_rscs_c, m_conn_handle_rscs_c, &p_rscs_c_evt->params.rscs_db); APP_ERROR_CHECK(err_code); // Initiate bonding. err_code = pm_conn_secure(m_conn_handle_rscs_c, false); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } // Running speed cadence service discovered. Enable notifications. err_code = ble_rscs_c_rsc_notif_enable(p_rscs_c); APP_ERROR_CHECK(err_code); } } break; // BLE_RSCS_C_EVT_DISCOVERY_COMPLETE: case BLE_RSCS_C_EVT_RSC_NOTIFICATION: { uint32_t err_code; ble_rscs_meas_t rscs_measurment; NRF_LOG_PRINTF("Speed = %d\r\n", p_rscs_c_evt->params.rsc.inst_speed); rscs_measurment.is_running = p_rscs_c_evt->params.rsc.is_running; rscs_measurment.is_inst_stride_len_present = p_rscs_c_evt->params.rsc.is_inst_stride_len_present; rscs_measurment.is_total_distance_present = p_rscs_c_evt->params.rsc.is_total_distance_present; rscs_measurment.inst_stride_length = p_rscs_c_evt->params.rsc.inst_stride_length; rscs_measurment.inst_cadence = p_rscs_c_evt->params.rsc.inst_cadence; rscs_measurment.inst_speed = p_rscs_c_evt->params.rsc.inst_speed; rscs_measurment.total_distance = p_rscs_c_evt->params.rsc.total_distance; err_code = ble_rscs_measurement_send(&m_rscs, &rscs_measurment); if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_INVALID_STATE) && (err_code != BLE_ERROR_NO_TX_PACKETS) && (err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING) ) { APP_ERROR_HANDLER(err_code); } } break; // BLE_RSCS_C_EVT_RSC_NOTIFICATION default: // No implementation needed. break; } } /**@brief Function for searching a given name in the advertisement packets. * * @details Use this function to parse received advertising data and to find a given * name in them either as 'complete_local_name' or as 'short_local_name'. * * @param[in] p_adv_report advertising data to parse. * @param[in] name_to_find name to search. * @return true if the given name was found, false otherwise. */ static bool find_adv_name(const ble_gap_evt_adv_report_t *p_adv_report, const char * name_to_find) { uint32_t err_code; data_t adv_data; data_t dev_name; // Initialize advertisement report for parsing adv_data.p_data = (uint8_t *)p_adv_report->data; adv_data.data_len = p_adv_report->dlen; //search for advertising names err_code = adv_report_parse(BLE_GAP_AD_TYPE_COMPLETE_LOCAL_NAME, &adv_data, &dev_name); if (err_code == NRF_SUCCESS) { if(memcmp(name_to_find, dev_name.p_data, dev_name.data_len )== 0) { return true; } } else { // Look for the short local name if it was not found as complete err_code = adv_report_parse(BLE_GAP_AD_TYPE_SHORT_LOCAL_NAME, &adv_data, &dev_name); if (err_code != NRF_SUCCESS) { return false; } if(memcmp(m_target_periph_name, dev_name.p_data, dev_name.data_len )== 0) { return true; } } return false; }
/**@brief Function for handling Peer Manager events. * * @param[in] p_evt Peer Manager event. */ static void pm_evt_handler(pm_evt_t const * p_evt) { ret_code_t err_code; switch(p_evt->evt_id) { case PM_EVT_BONDED_PEER_CONNECTED: { NRF_LOG_PRINTF_DEBUG("Connected to previously bonded device\r\n"); // Start Security Request timer. err_code = app_timer_start(m_sec_req_timer_id, SECURITY_REQUEST_DELAY, NULL); APP_ERROR_CHECK(err_code); err_code = pm_peer_rank_highest(p_evt->peer_id); if (err_code != NRF_ERROR_BUSY) { APP_ERROR_CHECK(err_code); } }break;//PM_EVT_BONDED_PEER_CONNECTED case PM_EVT_CONN_SEC_START: break;//PM_EVT_CONN_SEC_START case PM_EVT_CONN_SEC_SUCCEEDED: { /*Check if the link is authenticated (meaning at least MITM)*/ pm_conn_sec_status_t conn_sec_status; err_code = pm_conn_sec_status_get(p_evt->conn_handle, &conn_sec_status); APP_ERROR_CHECK(err_code); if (!conn_sec_status.mitm_protected) { APP_LOG("Collector did not use MITM, disconnecting\r\n"); /*The peer did not use MITM, disconnect*/ err_code = pm_peer_id_get(m_conn_handle, &peer_to_be_deleted); APP_ERROR_CHECK(err_code); err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); APP_ERROR_CHECK(err_code); // m_state = W_ADV_STATE_UNBONDED; } else { NRF_LOG_PRINTF_DEBUG("Link secured. Role: %d. conn_handle: %d, Procedure: %d\r\n", ble_conn_state_role(p_evt->conn_handle), p_evt->conn_handle, p_evt->params.conn_sec_succeeded.procedure); err_code = pm_peer_rank_highest(p_evt->peer_id); if (err_code != NRF_ERROR_BUSY) { APP_ERROR_CHECK(err_code); } // m_state = W_ADV_STATE_BONDED; } }break;//PM_EVT_CONN_SEC_SUCCEEDED case PM_EVT_CONN_SEC_FAILED: { /** In some cases, when securing fails, it can be restarted directly. Sometimes it can * be restarted, but only after changing some Security Parameters. Sometimes, it cannot * be restarted until the link is disconnected and reconnected. Sometimes it is * impossible, to secure the link, or the peer device does not support it. How to * handle this error is highly application dependent. */ APP_LOG("link secure failed! "); switch (p_evt->params.conn_sec_failed.error) { case PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING: NRF_LOG_DEBUG("error: PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING"); break;//PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING case PM_CONN_SEC_ERROR_MIC_FAILURE: NRF_LOG_DEBUG("error: PM_CONN_SEC_ERROR_MIC_FAILURE"); break;//PM_CONN_SEC_ERROR_MIC_FAILURE case PM_CONN_SEC_ERROR_DISCONNECT : NRF_LOG_DEBUG("error: PM_CONN_SEC_ERROR_DISCONNECT "); break;//PM_CONN_SEC_ERROR_DISCONNECT case PM_CONN_SEC_ERROR_SMP_TIMEOUT: NRF_LOG_DEBUG("error: PM_CONN_SEC_ERROR_SMP_TIMEOUT"); break;//PM_CONN_SEC_ERROR_SMP_TIMEOUT default: NRF_LOG_DEBUG("unknown error"); break; } APP_LOG("\r\nDisconnecting\r\n"); err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); APP_ERROR_CHECK(err_code); m_conn_handle = BLE_CONN_HANDLE_INVALID; }break;//PM_EVT_CONN_SEC_FAILED case PM_EVT_CONN_SEC_CONFIG_REQ: { // Reject pairing request from an already bonded peer. pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false}; pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config); }break;//PM_EVT_CONN_SEC_CONFIG_REQ case PM_EVT_STORAGE_FULL: { // Run garbage collection on the flash. err_code = fds_gc(); if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES) { // Retry. } else { APP_ERROR_CHECK(err_code); } }break;//PM_EVT_STORAGE_FULL case PM_EVT_ERROR_UNEXPECTED: // Assert. APP_ERROR_CHECK(p_evt->params.error_unexpected.error); break;//PM_EVT_ERROR_UNEXPECTED case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED: break;//PM_EVT_PEER_DATA_UPDATE_SUCCEEDED case PM_EVT_PEER_DATA_UPDATE_FAILED: // Assert. APP_ERROR_CHECK_BOOL(false); break;//PM_EVT_PEER_DATA_UPDATE_FAILED case PM_EVT_PEER_DELETE_SUCCEEDED: break;//PM_EVT_PEER_DELETE_SUCCEEDED case PM_EVT_PEER_DELETE_FAILED: // Assert. APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error); break;//PM_EVT_PEER_DELETE_FAILED case PM_EVT_PEERS_DELETE_SUCCEEDED: NRF_LOG_PRINTF_DEBUG("%s: PM_EVT_PEERS_DELETE_SUCCEEDED\r\n", __func__); // m_erasing_bonds = false; // advertising_init(); // advertising_start(); break; case PM_EVT_PEERS_DELETE_FAILED: // Assert. APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error); break;//PM_EVT_PEERS_DELETE_FAILED case PM_EVT_LOCAL_DB_CACHE_APPLIED: break;//PM_EVT_LOCAL_DB_CACHE_APPLIED case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED: // The local database has likely changed, send service changed indications. pm_local_database_has_changed(); break;//PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED case PM_EVT_SERVICE_CHANGED_IND_SENT: break;//PM_EVT_SERVICE_CHANGED_IND_SENT case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED: break;//PM_EVT_SERVICE_CHANGED_IND_CONFIRMED default: // No implementation needed. break; } } /**@brief Function for handling Service errors. * * @details A pointer to this function will be passed to each service which may need to inform the * application about an error. * * @param[in] nrf_error Error code containing information about what went wrong. */ //static void service_error_handler(uint32_t nrf_error) //{ // APP_ERROR_HANDLER(nrf_error); //} /**@brief Function for performing battery measurement and updating the Battery Level characteristic * in Battery Service. */ static void battery_level_update(void) { uint32_t err_code; uint8_t battery_level; // battery_level = (uint8_t)sensorsim_measure(&m_battery_sim_state, &m_battery_sim_cfg); battery_level = 37; err_code = ble_bas_battery_level_update(&m_bas, battery_level); if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_INVALID_STATE) && (err_code != BLE_ERROR_NO_TX_PACKETS) && (err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING) ) { APP_ERROR_HANDLER(err_code); } // if (m_adv_state == W_ADV_STATE_IDLE) { // advertising_init(); // advertising_start(); // } }
/**@brief Function for handling Peer Manager events. * * @param[in] p_evt Peer Manager event. */ static void pm_evt_handler(pm_evt_t const * p_evt) { ret_code_t err_code; switch(p_evt->evt_id) { case PM_EVT_BONDED_PEER_CONNECTED: err_code = pm_peer_rank_highest(p_evt->peer_id); if(err_code != NRF_ERROR_BUSY) { APP_ERROR_CHECK(err_code); } break;//PM_EVT_BONDED_PEER_CONNECTED case PM_EVT_CONN_SEC_START: break;//PM_EVT_CONN_SEC_START case PM_EVT_CONN_SEC_SUCCEEDED: { NRF_LOG_PRINTF_DEBUG("Link secured. Role: %d. conn_handle: %d, Procedure: %d\r\n", ble_conn_state_role(p_evt->conn_handle), p_evt->conn_handle, p_evt->params.conn_sec_succeeded.procedure); err_code = pm_peer_rank_highest(p_evt->peer_id); if(err_code != NRF_ERROR_BUSY) { APP_ERROR_CHECK(err_code); } }break;//PM_EVT_CONN_SEC_SUCCEEDED case PM_EVT_CONN_SEC_FAILED: { /** In some cases, when securing fails, it can be restarted directly. Sometimes it can * be restarted, but only after changing some Security Parameters. Sometimes, it cannot * be restarted until the link is disconnected and reconnected. Sometimes it is * impossible, to secure the link, or the peer device does not support it. How to * handle this error is highly application dependent. */ switch (p_evt->params.conn_sec_failed.error) { case PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING: // Rebond if one party has lost its keys. err_code = pm_conn_secure(p_evt->conn_handle, true); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } break;//PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING default: break; } }break;//PM_EVT_CONN_SEC_FAILED case PM_EVT_CONN_SEC_CONFIG_REQ: { // Reject pairing request from an already bonded peer. pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false}; pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config); }break;//PM_EVT_CONN_SEC_CONFIG_REQ case PM_EVT_STORAGE_FULL: { // Run garbage collection on the flash. err_code = fds_gc(); if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES) { // Retry. } else { APP_ERROR_CHECK(err_code); } }break;//PM_EVT_STORAGE_FULL case PM_EVT_ERROR_UNEXPECTED: // Assert. APP_ERROR_CHECK(p_evt->params.error_unexpected.error); break;//PM_EVT_ERROR_UNEXPECTED case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED: break;//PM_EVT_PEER_DATA_UPDATE_SUCCEEDED case PM_EVT_PEER_DATA_UPDATE_FAILED: // Assert. APP_ERROR_CHECK_BOOL(false); break;//PM_EVT_PEER_DATA_UPDATE_FAILED case PM_EVT_PEER_DELETE_SUCCEEDED: break;//PM_EVT_PEER_DELETE_SUCCEEDED case PM_EVT_PEER_DELETE_FAILED: // Assert. APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error); break;//PM_EVT_PEER_DELETE_FAILED case PM_EVT_PEERS_DELETE_SUCCEEDED: advertising_start(); break;//PM_EVT_PEERS_DELETE_SUCCEEDED case PM_EVT_PEERS_DELETE_FAILED: // Assert. APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error); break;//PM_EVT_PEERS_DELETE_FAILED case PM_EVT_LOCAL_DB_CACHE_APPLIED: break;//PM_EVT_LOCAL_DB_CACHE_APPLIED case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED: // The local database has likely changed, send service changed indications. pm_local_database_has_changed(); break;//PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED case PM_EVT_SERVICE_CHANGED_IND_SENT: break;//PM_EVT_SERVICE_CHANGED_IND_SENT case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED: break;//PM_EVT_SERVICE_CHANGED_IND_CONFIRMED default: // No implementation needed. break; } } /**@brief Function for handling the security request timer time-out. * * @details This function is called each time the security request timer expires. * * @param[in] p_context Pointer used for passing context information from the * app_start_timer() call to the time-out handler. */ static void sec_req_timeout_handler(void * p_context) { uint32_t err_code; if (m_ans_c.conn_handle != BLE_CONN_HANDLE_INVALID) { // Initiate bonding. NRF_LOG_DEBUG("Start encryption\n\r"); err_code = pm_conn_secure(m_ans_c.conn_handle, false); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } } }