NimBLEServerCallbacks::onPassKeyRequest(),

NimBLEServer::handleGapEvent() {
            } else if(event->passkey.params.action == BLE_SM_IOACT_INPUT) {
                NIMBLE_LOGI(LOG_TAG, "BLE_SM_IOACT_INPUT!!!!");
                pServer->m_pServerCallbacks->onPassKeyRequest(peerInfo);
            }
}
added.
This function/action is necessary when using NimBLEDevice::setSecurityIOCap(BLE_HS_IO_KEYBOARD_ONLY).

Author: syscode1

src/NimBLEServer.cpp

@@ -601,7 +601,10 @@ int NimBLEServer::handleGapEvent(ble_gap_event* event, void* arg) {
             } else if (event->passkey.params.action == BLE_SM_IOACT_NONE) {
                 NIMBLE_LOGD(LOG_TAG, "No passkey action required");
             }
-
+            else if(event->passkey.params.action == BLE_SM_IOACT_INPUT) {
+                NIMBLE_LOGI(LOG_TAG, "BLE_SM_IOACT_INPUT!!!!");
+                pServer->m_pServerCallbacks->onPassKeyRequest(peerInfo);
+            }
             break;
         } // BLE_GAP_EVENT_PASSKEY_ACTION
 
@@ -1032,4 +1035,7 @@ void NimBLEServerCallbacks::onPhyUpdate(NimBLEConnInfo& connInfo, uint8_t txPhy,
     NIMBLE_LOGD("NimBLEServerCallbacks", "onPhyUpdate: default, txPhy: %d, rxPhy: %d", txPhy, rxPhy);
 } // onPhyUpdate
 
+void NimBLEServerCallbacks::onPassKeyRequest(NimBLEConnInfo& connInfo) {
+    NIMBLE_LOGD("NimBLEServerCallbacks", "onPassKeyRequest: default");
+} // onPassKeyRequest
 #endif // CONFIG_BT_NIMBLE_ENABLED && MYNEWT_VAL(BLE_ROLE_PERIPHERAL)

src/NimBLEServer.h

@@ -221,6 +221,7 @@ class NimBLEServerCallbacks {
      * * BLE_GAP_LE_PHY_CODED
      */
     virtual void onPhyUpdate(NimBLEConnInfo& connInfo, uint8_t txPhy, uint8_t rxPhy);
+    virtual void onPassKeyRequest(NimBLEConnInfo& connInfo);
 }; // NimBLEServerCallbacks
 
 #endif // CONFIG_BT_NIMBLE_ENABLED && MYNEWT_VAL(BLE_ROLE_PERIPHERAL)