WiFiThermostat/src/config.ino

// sets the corresponding config variable for 'param' to new value
// does not trigger saving to flash
// does not distinguish between config sets as they are only split on flash and
// in web interface called from commands:
//   serial command: set [param] [value]
//   MQTT cmd topic, payload "set [param] [value]"
//     -> must be committed by command 'save' after all desired values are set
// called from web interface setConf functions, which also saves the changed
// conf set to flash immediately

void setConfig(char *param, char *value)
{
  if (confLog.logLevelSerial >= LOGLEVEL_VERBOSE)
  {
    Serial.print("setConfig - '");
    Serial.print(param);
    Serial.print("' to '");
    Serial.print(value);
    Serial.println("'");
  }

  //char param_l[15];
  strlwr(param);

  // values
  if (strcmp(param, "temp") == 0)
  {
    float valueFloat = round(atof(value) * 2.0) / 2.0;
    setTempTo(valueFloat);
  }
  else if (strcmp(param, "templow") == 0)
  {
    float valueFloat = round(atof(value) * 2.0) / 2.0;
    setTempLowTo(valueFloat);
  }
  else if (strcmp(param, "templow2") == 0)
  {
    float valueFloat = round(atof(value) * 2.0) / 2.0;
    setTempLow2To(valueFloat);
  }
  else if (strcmp(param, "mode") == 0)
  {
    int val = atoi(value);
    if (val >= 0 && val <= 1)
    {
      setHeatingmodeTo(val);
    }
  }
  else if (strcmp(param, "preset") == 0)
  {
    int val = atoi(value);
    if (val >= 0 && val <= 2)
    {
      setPresetTo(val);
    }
  }

  // confDevWiFi
  else if (strcmp(param, "devname") == 0)
  {
    if (strcmp(value, confDevWiFi.deviceName) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confDevWiFi.deviceName, "", sizeof(confDevWiFi.deviceName));
        configChangedRestartRequired = true;
        confDevWiFi.wasChanged = true;
      }
      else
      {
        if (strlen(value) >= 4)
        {
          strlcpy(confDevWiFi.deviceName, value, sizeof(confDevWiFi.deviceName));
          configChangedRestartRequired = true;
          confDevWiFi.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "hostname") == 0)
  {
    if (strcmp(value, confDevWiFi.hostName) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confDevWiFi.hostName, "", sizeof(confDevWiFi.hostName));
        configChangedRestartRequired = true;
        confDevWiFi.wasChanged = true;
      }
      else
      {
        if (strlen(value) >= 4)
        {
          strlcpy(confDevWiFi.hostName, value, sizeof(confDevWiFi.hostName));
          configChangedRestartRequired = true;
          confDevWiFi.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "ssid1") == 0)
  {
    if (strcmp(value, confDevWiFi.WiFiSSID1) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confDevWiFi.WiFiSSID1, "", sizeof(confDevWiFi.WiFiSSID1));
        configChangedRestartRequired = true;
        confDevWiFi.wasChanged = true;
      }
      else
      {
        strlcpy(confDevWiFi.WiFiSSID1, value, sizeof(confDevWiFi.WiFiSSID1));
        configChangedRestartRequired = true;
        confDevWiFi.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "wpw1") == 0)
  {
    if (strcmp(value, confDevWiFi.WiFiPW1) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confDevWiFi.WiFiPW1, "", sizeof(confDevWiFi.WiFiPW1));
        configChangedRestartRequired = true;
        confDevWiFi.wasChanged = true;
      }
      else
      {
        if (!strcmp(value, "****") == 0)
        {
          strlcpy(confDevWiFi.WiFiPW1, value, sizeof(confDevWiFi.WiFiPW1));
          configChangedRestartRequired = true;
          confDevWiFi.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "ssid2") == 0)
  {
    if (strcmp(value, confDevWiFi.WiFiSSID2) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confDevWiFi.WiFiSSID2, "", sizeof(confDevWiFi.WiFiSSID2));
        configChangedRestartRequired = true;
        confDevWiFi.wasChanged = true;
      }
      else
      {
        strlcpy(confDevWiFi.WiFiSSID2, value, sizeof(confDevWiFi.WiFiSSID2));
        configChangedRestartRequired = true;
        confDevWiFi.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "wpw2") == 0)
  {
    if (strcmp(value, confDevWiFi.WiFiPW2) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confDevWiFi.WiFiPW2, "", sizeof(confDevWiFi.WiFiPW2));
        configChangedRestartRequired = true;
        confDevWiFi.wasChanged = true;
      }
      else
      {
        if (!strcmp(value, "****") == 0)
        {
          strlcpy(confDevWiFi.WiFiPW2, value, sizeof(confDevWiFi.WiFiPW2));
          configChangedRestartRequired = true;
          confDevWiFi.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "wpwap") == 0)
  {
    if (strcmp(value, confDevWiFi.WiFiAPModePassword) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confDevWiFi.WiFiAPModePassword, "", sizeof(confDevWiFi.WiFiAPModePassword));
        confDevWiFi.wasChanged = true;
      }
      else
      {
        if (!strcmp(value, "****") == 0)
        {
          strlcpy(confDevWiFi.WiFiAPModePassword, value, sizeof(confDevWiFi.WiFiAPModePassword));
          confDevWiFi.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "waptout") == 0)
  {
    int tmpval = atoi(value);
    if (tmpval != confDevWiFi.WiFiAPModeTimeout)
    {
      if (tmpval >= 0 && tmpval <= 120)
      {
        confDevWiFi.WiFiAPModeTimeout = tmpval;
        confDevWiFi.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "wconncheck") == 0)
  {
    int tmpval = atoi(value);
    if (tmpval != confDevWiFi.WiFiConnCheckInterval)
    {
      if (tmpval == 0)
      {
        confDevWiFi.WiFiConnCheckInterval = 0;
        confDevWiFi.wasChanged = true;
      }
      else
      {
        if (tmpval >= 10 && tmpval <= 3600)
        {
          confDevWiFi.WiFiConnCheckInterval = tmpval;
          confDevWiFi.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "wretry") == 0)
  {
    int tmpval = atoi(value);
    if (tmpval != confDevWiFi.WiFiRetryInterval)
    {
      if (tmpval >= 0 && tmpval <= 120)
      {
        confDevWiFi.WiFiRetryInterval = tmpval;
        confDevWiFi.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "wreboot") == 0)
  {
    int tmpval = atoi(value);
    if (tmpval != confDevWiFi.WiFiRebootOnNoConnect)
    {
      if (tmpval >= 0 && tmpval <= 2880)
      {
        confDevWiFi.WiFiRebootOnNoConnect = tmpval;
        confDevWiFi.wasChanged = true;
      }
    }
  }

  // confWeb
  else if (strcmp(param, "apitoken") == 0)
  {
    if (strcmp(value, confWeb.http_token) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confWeb.http_token, "", sizeof(confWeb.http_token));
        confWeb.wasChanged = true;
      }
      else
      {
        if (!strcmp(value, "****") == 0)
        {
          strlcpy(confWeb.http_token, value, sizeof(confWeb.http_token));
          confWeb.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "httpua") == 0)
  {
    if (strcmp(value, confWeb.http_user) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confWeb.http_user, "", sizeof(confWeb.http_user));
        confWeb.wasChanged = true;
      }
      else
      {
        strlcpy(confWeb.http_user, value, sizeof(confWeb.http_user));
        confWeb.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "httppa") == 0)
  {
    if (strcmp(value, confWeb.http_pass) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confWeb.http_pass, "", sizeof(confWeb.http_pass));
        confWeb.wasChanged = true;
      }
      else
      {
        if (!strcmp(value, "****") == 0)
        {
          strlcpy(confWeb.http_pass, value, sizeof(confWeb.http_pass));
          confWeb.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "httpauth") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confWeb.http_user_auth != tmpval)
    {
      confWeb.http_user_auth = tmpval;
      confWeb.wasChanged = true;
    }
  }
  else if (strcmp(param, "httpu1") == 0)
  {
    if (strcmp(value, confWeb.http_user1) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confWeb.http_user1, "", sizeof(confWeb.http_user1));
        confWeb.wasChanged = true;
      }
      else
      {
        strlcpy(confWeb.http_user1, value, sizeof(confWeb.http_user1));
        confWeb.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "httpp1") == 0)
  {
    if (strcmp(value, confWeb.http_pass1) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confWeb.http_pass1, "", sizeof(confWeb.http_pass1));
        confWeb.wasChanged = true;
      }
      else
      {
        if (!strcmp(value, "****") == 0)
        {
          strlcpy(confWeb.http_pass1, value, sizeof(confWeb.http_pass1));
          confWeb.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "httpu2") == 0)
  {
    if (strcmp(value, confWeb.http_user2) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confWeb.http_user2, "", sizeof(confWeb.http_user2));
        confWeb.wasChanged = true;
      }
      else
      {
        strlcpy(confWeb.http_user2, value, sizeof(confWeb.http_user2));
        confWeb.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "httpp2") == 0)
  {
    if (strcmp(value, confWeb.http_pass2) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confWeb.http_pass2, "", sizeof(confWeb.http_pass2));
        confWeb.wasChanged = true;
      }
      else
      {
        if (!strcmp(value, "****") == 0)
        {
          strlcpy(confWeb.http_pass2, value, sizeof(confWeb.http_pass2));
          confWeb.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "wconsole") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confWeb.wConsole != tmpval)
    {
      confWeb.wConsole = tmpval;
      configChangedRestartRequired = true;
      confWeb.wasChanged = true;
    }
  }
  else if (strcmp(param, "wsconsole") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confWeb.wsConsole != tmpval)
    {
      confWeb.wsConsole = tmpval;
      configChangedRestartRequired = true;
      confWeb.wasChanged = true;
    }
  }

  // confMqtt
  else if (strcmp(param, "mqttenable") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confMqtt.mqtt_enable != tmpval)
    {
      confMqtt.mqtt_enable = tmpval;
      configChangedMqttConnResetRequired = true;
      confMqtt.wasChanged = true;
    }
  }
  else if (strcmp(param, "mqtthost") == 0)
  {
    if (strcmp(value, confMqtt.mqtt_server) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confMqtt.mqtt_server, "", sizeof(confMqtt.mqtt_server));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
      else
      {
        strlcpy(confMqtt.mqtt_server, value, sizeof(confMqtt.mqtt_server));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "mqttport") == 0)
  {
    if (atoi(value) != confMqtt.mqtt_port)
    {
      confMqtt.mqtt_port = atoi(value);
      configChangedMqttConnResetRequired = true;
      confMqtt.wasChanged = true;
    }
  }
  else if (strcmp(param, "mqttuser") == 0)
  {
    if (strcmp(value, confMqtt.mqtt_user) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confMqtt.mqtt_user, "", sizeof(confMqtt.mqtt_user));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
      else
      {
        strlcpy(confMqtt.mqtt_user, value, sizeof(confMqtt.mqtt_user));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "mqttpass") == 0)
  {
    if (strcmp(value, confMqtt.mqtt_pass) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confMqtt.mqtt_pass, "", sizeof(confMqtt.mqtt_pass));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
      else
      {
        if (!strcmp(value, "****") == 0)
        {
          strlcpy(confMqtt.mqtt_pass, value, sizeof(confMqtt.mqtt_pass));
          configChangedMqttConnResetRequired = true;
          confMqtt.wasChanged = true;
        }
      }
    }
  }
  else if (strcmp(param, "intop") == 0)
  {
    if (strcmp(value, confMqtt.mqtt_topic_in) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confMqtt.mqtt_topic_in, "", sizeof(confMqtt.mqtt_topic_in));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
      else
      {
        strlcpy(confMqtt.mqtt_topic_in, value, sizeof(confMqtt.mqtt_topic_in));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "outtop") == 0)
  {
    if (strcmp(value, confMqtt.mqtt_topic_out) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confMqtt.mqtt_topic_out, "", sizeof(confMqtt.mqtt_topic_out));
        confMqtt.wasChanged = true;
      }
      else
      {
        strlcpy(confMqtt.mqtt_topic_out, value, sizeof(confMqtt.mqtt_topic_out));
        confMqtt.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "outret") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confMqtt.mqtt_outRetain != tmpval)
    {
      confMqtt.mqtt_outRetain = tmpval;
      confMqtt.wasChanged = true;
      if (tmpval == false)
      {
        publishDeleteRetainedOutMessages();
      }
    }
  }
  else if (strcmp(param, "outretsens") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confMqtt.mqtt_outRetain_sensors != tmpval)
    {
      confMqtt.mqtt_outRetain_sensors = tmpval;
      confMqtt.wasChanged = true;
      if (tmpval == false)
      {
        publishDeleteRetainedOutMessages_sensors();
      }
    }
  }
  else if (strcmp(param, "outpubint") == 0)
  {
    if (atoi(value) != confMqtt.mqtt_outPubInterval)
    {
      confMqtt.mqtt_outPubInterval = atoi(value);
      confMqtt.wasChanged = true;
    }
  }
  else if (strcmp(param, "outpubintsens") == 0)
  {
    if (atoi(value) != confMqtt.mqtt_outPubInterval_sensors)
    {
      confMqtt.mqtt_outPubInterval_sensors = atoi(value);
      confMqtt.wasChanged = true;
    }
  }
  else if (strcmp(param, "willtop") == 0)
  {
    if (strcmp(value, confMqtt.mqtt_willTopic) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confMqtt.mqtt_willTopic, "", sizeof(confMqtt.mqtt_willTopic));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
      else
      {
        strlcpy(confMqtt.mqtt_willTopic, value, sizeof(confMqtt.mqtt_willTopic));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "willqos") == 0)
  {
    int tmpval = atoi(value);
    if (tmpval != confMqtt.mqtt_willQos)
    {
      if (tmpval >= 0 && tmpval <= 2)
      {
        confMqtt.mqtt_willQos = tmpval;
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "willret") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confMqtt.mqtt_willRetain != tmpval)
    {
      confMqtt.mqtt_willRetain = tmpval;
      configChangedMqttConnResetRequired = true;
      confMqtt.wasChanged = true;
    }
  }
  else if (strcmp(param, "willmsg") == 0)
  {
    if (strcmp(value, confMqtt.mqtt_willMsg) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confMqtt.mqtt_willMsg, "", sizeof(confMqtt.mqtt_willMsg));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
      else
      {
        strlcpy(confMqtt.mqtt_willMsg, value, sizeof(confMqtt.mqtt_willMsg));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "connmsg") == 0)
  {
    if (strcmp(value, confMqtt.mqtt_connMsg) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confMqtt.mqtt_connMsg, "", sizeof(confMqtt.mqtt_connMsg));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
      else
      {
        strlcpy(confMqtt.mqtt_connMsg, value, sizeof(confMqtt.mqtt_connMsg));
        configChangedMqttConnResetRequired = true;
        confMqtt.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "hbenable") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confMqtt.mqtt_enable_heartbeat != tmpval)
    {
      confMqtt.mqtt_enable_heartbeat = tmpval;
      confMqtt.wasChanged = true;
    }
  }
  else if (strcmp(param, "hbreconn") == 0)
  {
    unsigned int tmpval = atoi(value);
    if ((tmpval * 60000) != confMqtt.mqtt_heartbeat_maxage_reconnect)
    {
      if (tmpval == 0)
      {
        confMqtt.mqtt_heartbeat_maxage_reconnect = 0;
        confMqtt.wasChanged = true;
      }
      else if (tmpval >= 2 && tmpval <= 10)
      {
        confMqtt.mqtt_heartbeat_maxage_reconnect = tmpval * 60000;
        confMqtt.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "hbreboot") == 0)
  {
    unsigned int tmpval = atoi(value);
    if ((tmpval * 60000) != confMqtt.mqtt_heartbeat_maxage_reboot)
    {
      if (tmpval == 0)
      {
        confMqtt.mqtt_heartbeat_maxage_reboot = 0;
        confMqtt.wasChanged = true;
      }
      else if (tmpval >= 10 && tmpval <= 120)
      {
        confMqtt.mqtt_heartbeat_maxage_reboot = tmpval * 60000;
        confMqtt.wasChanged = true;
      }
    }
  }

  // confBas
  else if (strcmp(param, "autosavetemp") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confBas.autoSaveSetTemp != tmpval)
    {
      confBas.autoSaveSetTemp = tmpval;
      confBas.wasChanged = true;
    }
  }
  else if (strcmp(param, "autosavemode") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confBas.autoSaveHeatingMode != tmpval)
    {
      confBas.autoSaveHeatingMode = tmpval;
      confBas.wasChanged = true;
    }
  }
  else if (strcmp(param, "savetomqttret") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confBas.saveToMqttRetained != tmpval)
    {
      confBas.saveToMqttRetained = tmpval;
      confBas.wasChanged = true;
      if (tmpval == false)
      {
        publishDeleteRetainedSavedStates();
      }
    }
  }
  else if (strcmp(param, "tempmin") == 0)
  {
    float valueFloat = round(atof(value) * 2.0) / 2.0;
    if (valueFloat != confBas.setTempMin)
    {
      if (valueFloat >= 10 && valueFloat <= 16)
      {
        confBas.setTempMin = valueFloat;
        confBas.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "tempmax") == 0)
  {
    float valueFloat = round(atof(value) * 2.0) / 2.0;
    if (valueFloat != confBas.setTempMax)
    {
      if (valueFloat >= 18 && valueFloat <= 30)
      {
        confBas.setTempMax = valueFloat;
        confBas.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "measint") == 0)
  {
    int valueInt = atoi(value);
    if (valueInt != confBas.measureInterval)
    {
      if (valueInt >= 5 && valueInt <= 60)
      {
        confBas.measureInterval = valueInt;
        confBas.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "dispint") == 0)
  {
    int valueInt = atoi(value);
    if (valueInt != confBas.displayInterval)
    {
      if (valueInt >= 1 && valueInt <= 60)
      {
        confBas.displayInterval = valueInt;
        confBas.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "disptout") == 0)
  {
    int valueInt = atoi(value);
    if (valueInt != confBas.displayTimeout)
    {
      if (valueInt >= 2 && valueInt <= 3600)
      {
        confBas.displayTimeout = valueInt;
        confBas.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "pirendisp") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (tmpval != confBas.PIR_enablesDisplay)
    {
      confBas.PIR_enablesDisplay = tmpval;
      confBas.wasChanged = true;
    }
  }
  else if (strcmp(param, "pirendispps0") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (tmpval != confBas.PIR_enablesDisplay_preset0only)
    {
      confBas.PIR_enablesDisplay_preset0only = tmpval;
      confBas.wasChanged = true;
    }
  }
  else if (strcmp(param, "togthdisp") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (tmpval != confBas.togglingTempHumAIDisplay)
    {
      confBas.togglingTempHumAIDisplay = tmpval;
      confBas.wasChanged = true;
    }
  }

  // confAdv
  else if (strcmp(param, "minofftime") == 0)
  {
    int valueInt = atoi(value);
    if (valueInt != confAdv.heatingMinOffTime)
    {
      confAdv.heatingMinOffTime = valueInt;
      confAdv.wasChanged = true;
    }
  }
  else if (strcmp(param, "tempdec") == 0)
  {
    float valueFloat = atof(value);
    if (valueFloat != confAdv.setTempDecreaseVal)
    {
      if (valueFloat >= 0.0 && valueFloat <= 1.5)
      {
        confAdv.setTempDecreaseVal = valueFloat;
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "hyst") == 0)
  {
    float valueFloat = atof(value);
    if (valueFloat != confAdv.hysteresis)
    {
      if (valueFloat >= 0.1 && valueFloat <= 4.0)
      {
        confAdv.hysteresis = valueFloat;
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "tempcorr") == 0)
  {
    float valueFloat = atof(value);
    if (valueFloat != confAdv.tempCorrVal)
    {
      if (valueFloat >= -5.0 && valueFloat <= 5.0)
      {
        confAdv.tempCorrVal = valueFloat;
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "humcorr") == 0)
  {
    int valueInt = atoi(value);
    if (valueInt != confAdv.humCorrVal)
    {
      if (valueInt >= -40 && valueInt <= 40)
      {
        confAdv.humCorrVal = valueInt;
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "offmsg") == 0)
  {
    if (strcmp(value, confAdv.offMessage) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdv.offMessage, "", sizeof(confAdv.offMessage));
        confAdv.wasChanged = true;
      }
      else
      {
        strlcpy(confAdv.offMessage, value, sizeof(confAdv.offMessage));
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "modename0") == 0)
  {
    if (strcmp(value, confAdv.modeName0) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdv.modeName0, "", sizeof(confAdv.modeName0));
        confAdv.wasChanged = true;
      }
      else
      {
        strlcpy(confAdv.modeName0, value, sizeof(confAdv.modeName0));
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "modename1") == 0)
  {
    if (strcmp(value, confAdv.modeName1) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdv.modeName1, "", sizeof(confAdv.modeName1));
        confAdv.wasChanged = true;
      }
      else
      {
        strlcpy(confAdv.modeName1, value, sizeof(confAdv.modeName1));
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "psetname0") == 0)
  {
    if (strcmp(value, confAdv.psetName0) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdv.psetName0, "", sizeof(confAdv.psetName0));
        confAdv.wasChanged = true;
      }
      else
      {
        strlcpy(confAdv.psetName0, value, sizeof(confAdv.psetName0));
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "psetname1") == 0)
  {
    if (strcmp(value, confAdv.psetName1) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdv.psetName1, "", sizeof(confAdv.psetName1));
        confAdv.wasChanged = true;
      }
      else
      {
        strlcpy(confAdv.psetName1, value, sizeof(confAdv.psetName1));
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "psetname2") == 0)
  {
    if (strcmp(value, confAdv.psetName2) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdv.psetName2, "", sizeof(confAdv.psetName2));
        confAdv.wasChanged = true;
      }
      else
      {
        strlcpy(confAdv.psetName2, value, sizeof(confAdv.psetName2));
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "itemplab") == 0)
  {
    if (strcmp(value, confAdv.iTempLabel) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdv.iTempLabel, "I", sizeof(confAdv.iTempLabel));
        confAdv.wasChanged = true;
      }
      else
      {
        strlcpy(confAdv.iTempLabel, value, sizeof(confAdv.iTempLabel));
        confAdv.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "otemplab") == 0)
  {
    if (strcmp(value, confAdv.oTempLabel) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdv.oTempLabel, "O", sizeof(confAdv.oTempLabel));
        confAdv.wasChanged = true;
      }
      else
      {
        strlcpy(confAdv.oTempLabel, value, sizeof(confAdv.oTempLabel));
        confAdv.wasChanged = true;
      }
    }
  }

  // confAdd
  else if (strcmp(param, "outtemptop") == 0)
  {
    if (strcmp(value, confAdd.outTemp_topic_in) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdd.outTemp_topic_in, "", sizeof(confAdd.outTemp_topic_in));
        configChangedMqttConnResetRequired = true;
        confAdd.wasChanged = true;
      }
      else
      {
        strlcpy(confAdd.outTemp_topic_in, value, sizeof(confAdd.outTemp_topic_in));
        configChangedMqttConnResetRequired = true;
        confAdd.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "outhumtop") == 0)
  {
    if (strcmp(value, confAdd.outHum_topic_in) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdd.outHum_topic_in, "", sizeof(confAdd.outHum_topic_in));
        configChangedMqttConnResetRequired = true;
        confAdd.wasChanged = true;
      }
      else
      {
        strlcpy(confAdd.outHum_topic_in, value, sizeof(confAdd.outHum_topic_in));
        configChangedMqttConnResetRequired = true;
        confAdd.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "pirtop") == 0)
  {
    if (strcmp(value, confAdd.mqtt_topic_pir) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdd.mqtt_topic_pir, "", sizeof(confAdd.mqtt_topic_pir));
        confAdd.wasChanged = true;
      }
      else
      {
        strlcpy(confAdd.mqtt_topic_pir, value, sizeof(confAdd.mqtt_topic_pir));
        confAdd.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "pironpld") == 0)
  {
    if (strcmp(value, confAdd.mqtt_payload_pir_on) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdd.mqtt_payload_pir_on, "", sizeof(confAdd.mqtt_payload_pir_on));
        confAdd.wasChanged = true;
      }
      else
      {
        strlcpy(confAdd.mqtt_payload_pir_on, value, sizeof(confAdd.mqtt_payload_pir_on));
        confAdd.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "piroffpld") == 0)
  {
    if (strcmp(value, confAdd.mqtt_payload_pir_off) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confAdd.mqtt_payload_pir_off, "", sizeof(confAdd.mqtt_payload_pir_off));
        confAdd.wasChanged = true;
      }
      else
      {
        strlcpy(confAdd.mqtt_payload_pir_off, value, sizeof(confAdd.mqtt_payload_pir_off));
        confAdd.wasChanged = true;
      }
    }
  }

#ifdef ENABLE_FEATURE_NTP_TIME
  // confTime
  else if (strcmp(param, "tzstr") == 0)
  {
    if (strcmp(value, confTime.timeZoneStr) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confTime.timeZoneStr, "", sizeof(confTime.timeZoneStr));
        configChangedRestartRequired = true;
        confTime.wasChanged = true;
      }
      else
      {
        strlcpy(confTime.timeZoneStr, value, sizeof(confTime.timeZoneStr));
        configChangedRestartRequired = true;
        confTime.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "ntpenable") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confTime.ntpEnable != tmpval)
    {
      confTime.ntpEnable = tmpval;
      configChangedRestartRequired = true;
      confTime.wasChanged = true;
    }
  }
  else if (strcmp(param, "ntpserver1") == 0)
  {
    if (strcmp(value, confTime.ntpServer1) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confTime.ntpServer1, "", sizeof(confTime.ntpServer1));
        configChangedRestartRequired = true;
        confTime.wasChanged = true;
      }
      else
      {
        strlcpy(confTime.ntpServer1, value, sizeof(confTime.ntpServer1));
        configChangedRestartRequired = true;
        confTime.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "ntpserver2") == 0)
  {
    if (strcmp(value, confTime.ntpServer2) != 0)
    {
      if (strcmp(value, "0") == 0)
      {
        strlcpy(confTime.ntpServer2, "", sizeof(confTime.ntpServer2));
        configChangedRestartRequired = true;
        confTime.wasChanged = true;
      }
      else
      {
        strlcpy(confTime.ntpServer2, value, sizeof(confTime.ntpServer2));
        configChangedRestartRequired = true;
        confTime.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "ntpsyncint") == 0)
  {
    unsigned int valueInt = atoi(value) * 60;
    if (confTime.ntpSyncInterval != valueInt)
    {
      confTime.ntpSyncInterval = valueInt;
      configChangedRestartRequired = true;
      confTime.wasChanged = true;
    }
  }
#endif

  // confLog
  else if (strcmp(param, "loglevser") == 0)
  {
    int valueInt = atoi(value);
    if (confLog.logLevelSerial != valueInt)
    {
      if (valueInt >= 0 && valueInt <= 5)
      {
        confLog.logLevelSerial = valueInt;
        confLog.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "loglevweb") == 0)
  {
    int valueInt = atoi(value);
    if (confLog.logLevelWeb != valueInt)
    {
      if (valueInt >= 0 && valueInt <= 5)
      {
        confLog.logLevelWeb = valueInt;
        confLog.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "loglevmqtt") == 0)
  {
    int valueInt = atoi(value);
    if (confLog.logLevelMqtt != valueInt)
    {
      if (valueInt >= 0 && valueInt <= 5)
      {
        confLog.logLevelMqtt = valueInt;
        confLog.wasChanged = true;
      }
    }
  }
  else if (strcmp(param, "logwebrequests") == 0)
  {
    bool tmpval;
    if (atoi(value) == 1)
      tmpval = true;
    else
      tmpval = false;

    if (confLog.logWebRequests != tmpval)
    {
      confLog.logWebRequests = tmpval;
      confLog.wasChanged = true;
    }
  }

  getConfig(param);
  
  if (confCheckUnsaved())
  {
    lastConfigChange = millis();
    lastConfigChangeNoteAlreadyDone = false;
  }
}

void getConfig(char *param)
{
  // gets and prints the corresponding config variable for 'param'

  //if (serialdebug)
  //{
  //  Serial.print("getConfig - '");
  //  Serial.print(param);
  //  Serial.println("'");
  //}

  strlwr(param);

  int isConfPage = 0;

  if (strcmp(param, "values") == 0)
    isConfPage = 100;
  else if (strcmp(param, "confdevwifi") == 0)
    isConfPage = 1;
  else if (strcmp(param, "confdev") == 0)
    isConfPage = 1;
  else if (strcmp(param, "confwifi") == 0)
    isConfPage = 1;
  else if (strcmp(param, "confweb") == 0)
    isConfPage = 2;
  else if (strcmp(param, "confmqtt") == 0)
    isConfPage = 3;
  else if (strcmp(param, "confbas") == 0)
    isConfPage = 4;
  else if (strcmp(param, "confadv") == 0)
    isConfPage = 5;
  else if (strcmp(param, "confadd") == 0)
    isConfPage = 6;
#ifdef ENABLE_FEATURE_NTP_TIME
  else if (strcmp(param, "conftime") == 0)
    isConfPage = 7;
#endif
  else if (strcmp(param, "conflog") == 0)
    isConfPage = 8;

  char buf[101];

  // values
  if (strcmp(param, "temp") == 0 || isConfPage == 100)
  {
    sprintf(buf, "setTemp: %2.1f", setTemp);
    sendLog(buf);
  }
  if (strcmp(param, "templow") == 0 || isConfPage == 100)
  {
    sprintf(buf, "setTempLow: %2.1f", setTempLow);
    sendLog(buf);
  }
  if (strcmp(param, "templow2") == 0 || isConfPage == 100)
  {
    sprintf(buf, "setTempLow2: %2.1f", setTempLow2);
    sendLog(buf);
  }
  if (strcmp(param, "mode") == 0 || isConfPage == 100)
  {
    sprintf(buf, "heatingMode: %d", heatingMode);
    sendLog(buf);
  }
  if (strcmp(param, "preset") == 0 || isConfPage == 100)
  {
    sprintf(buf, "preset: %d", preset);
    sendLog(buf);
  }

  // confDevWiFi
  if (strcmp(param, "devname") == 0 || isConfPage == 1)
  {
    sprintf_P(buf, "%s.devName: '%s'", PGMStr_confDevWiFi, confDevWiFi.deviceName);
    sendLog(buf);
  }
  if (strcmp(param, "hostname") == 0 || isConfPage == 1)
  {
    sprintf_P(buf, "%s.hostName: '%s'", PGMStr_confDevWiFi, confDevWiFi.hostName);
    sendLog(buf);
  }
  if (strcmp(param, "ssid1") == 0 || isConfPage == 1)
  {
    sprintf_P(buf, "%s.SSID1: '%s'", PGMStr_confDevWiFi, confDevWiFi.WiFiSSID1);
    sendLog(buf);
  }
  if (strcmp(param, "wpw1") == 0 || isConfPage == 1)
  {
#ifdef DEBUGMODE
    sprintf_P(buf, "%s.WPW1: '%s'", PGMStr_confDevWiFi, confDevWiFi.WiFiPW1);
#else
    sprintf_P(buf, "%s.WPW1: '******'", PGMStr_confDevWiFi);
#endif
    sendLog(buf);
  }
  if (strcmp(param, "ssid2") == 0 || isConfPage == 1)
  {
    sprintf_P(buf, "%s.SSID2: '%s'", PGMStr_confDevWiFi, confDevWiFi.WiFiSSID2);
    sendLog(buf);
  }
  if (strcmp(param, "wpw2") == 0 || isConfPage == 1)
  {
#ifdef DEBUGMODE
    sprintf_P(buf, "%s.WPW2: '%s'", PGMStr_confDevWiFi, confDevWiFi.WiFiPW2);
#else
    sprintf_P(buf, "%s.WPW2: '******'", PGMStr_confDevWiFi);
#endif
    sendLog(buf);
  }
  if (strcmp(param, "wpwap") == 0 || isConfPage == 1)
  {
#ifdef DEBUGMODE
    sprintf_P(buf, "%s.WPWAp: '%s'", PGMStr_confDevWiFi, confDevWiFi.WiFiAPModePassword);
#else
    sprintf_P(buf, "%s.WPWAp: '******'", PGMStr_confDevWiFi);
#endif
    sendLog(buf);
  }
  if (strcmp(param, "waptout") == 0 || isConfPage == 1)
  {
    sprintf_P(buf, "%s.WApTout: %d", PGMStr_confDevWiFi, confDevWiFi.WiFiAPModeTimeout);
    sendLog(buf);
  }
  if (strcmp(param, "wconncheck") == 0 || isConfPage == 1)
  {
    sprintf_P(buf, "%s.WConnCheck: %d", PGMStr_confDevWiFi, confDevWiFi.WiFiConnCheckInterval);
    sendLog(buf);
  }
  if (strcmp(param, "wretry") == 0 || isConfPage == 1)
  {
    sprintf_P(buf, "%s.WRetry: %d", PGMStr_confDevWiFi, confDevWiFi.WiFiRetryInterval);
    sendLog(buf);
  }
  if (strcmp(param, "wreboot") == 0 || isConfPage == 1)
  {
    sprintf_P(buf, "%s.WReboot: %d", PGMStr_confDevWiFi, confDevWiFi.WiFiRebootOnNoConnect);
    sendLog(buf);
  }

  //confWeb
  if (strcmp(param, "apitoken") == 0 || isConfPage == 2)
  {
    sprintf_P(buf, "%s.apiToken: '%s'", PGMStr_confWeb, confWeb.http_token);
    sendLog(buf);
  }
  if (strcmp(param, "httpua") == 0 || isConfPage == 2)
  {
    sprintf_P(buf, "%s.httpUA: '%s'", PGMStr_confWeb, confWeb.http_user);
    sendLog(buf);
  }
  if (strcmp(param, "httppa") == 0 || isConfPage == 2)
  {
#ifdef DEBUGMODE
    sprintf_P(buf, "%s.httpPA: '%s'", PGMStr_confWeb, confWeb.http_pass);
#else
    sprintf_P(buf, "%s.httpPA: '****'", PGMStr_confWeb);
#endif
    sendLog(buf);
  }
  if (strcmp(param, "httpauth") == 0 || isConfPage == 2)
  {
    int tmp;
    if (confWeb.http_user_auth)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.httpAuth: %d", PGMStr_confWeb, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "httpu1") == 0 || isConfPage == 2)
  {
    sprintf_P(buf, "%s.httpU1: '%s'", PGMStr_confWeb, confWeb.http_user1);
    sendLog(buf);
  }
  if (strcmp(param, "httpp1") == 0 || isConfPage == 2)
  {
#ifdef DEBUGMODE
    sprintf_P(buf, "%s.httpP1: '%s'", PGMStr_confWeb, confWeb.http_pass1);
#else
    sprintf_P(buf, "%s.httpP1: '****'", PGMStr_confWeb);
#endif
    sendLog(buf);
  }
  if (strcmp(param, "httpu2") == 0 || isConfPage == 2)
  {
    sprintf_P(buf, "%s.httpU2: '%s'", PGMStr_confWeb, confWeb.http_user2);
    sendLog(buf);
  }
  if (strcmp(param, "httpp2") == 0 || isConfPage == 2)
  {
#ifdef DEBUGMODE
    sprintf_P(buf, "%s.httpP2: '%s'", PGMStr_confWeb, confWeb.http_pass2);
#else
    sprintf_P(buf, "%s.httpP2: '****'", PGMStr_confWeb);
#endif
    sendLog(buf);
  }
  if (strcmp(param, "wconsole") == 0 || isConfPage == 2)
  {
    int tmp;
    if (confWeb.wConsole)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.wConsole: %d", PGMStr_confWeb, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "wsconsole") == 0 || isConfPage == 2)
  {
    int tmp;
    if (confWeb.wsConsole)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.wsConsole: %d", PGMStr_confWeb, tmp);
    sendLog(buf);
  }

  //confMqtt
  if (strcmp(param, "mqttenable") == 0 || isConfPage == 3)
  {
    int tmp;
    if (confMqtt.mqtt_enable)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.mqttEnable: %d", PGMStr_confMqtt, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "mqtthost") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.mqttHost: '%s'", PGMStr_confMqtt, confMqtt.mqtt_server);
    sendLog(buf);
  }
  if (strcmp(param, "mqttport") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.mqttPort: %d", PGMStr_confMqtt, confMqtt.mqtt_port);
    sendLog(buf);
  }
  if (strcmp(param, "mqttuser") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.mqttUser: '%s'", PGMStr_confMqtt, confMqtt.mqtt_user);
    sendLog(buf);
  }
  if (strcmp(param, "mqttpass") == 0 || isConfPage == 3)
  {
#ifdef DEBUGMODE
    sprintf_P(buf, "%s.mqttPass: '%s'", PGMStr_confMqtt, confMqtt.mqtt_pass);
#else
    sprintf_P(buf, "%s.mqttPass: '****'", PGMStr_confMqtt);
#endif
    sendLog(buf);
  }
  if (strcmp(param, "intop") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.inTop: '%s'", PGMStr_confMqtt, confMqtt.mqtt_topic_in);
    sendLog(buf);
  }
  if (strcmp(param, "outtop") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.outTop: '%s'", PGMStr_confMqtt, confMqtt.mqtt_topic_out);
    sendLog(buf);
  }
  if (strcmp(param, "outret") == 0 || isConfPage == 3)
  {
    int tmp;
    if (confMqtt.mqtt_outRetain)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.outRet: %d", PGMStr_confMqtt, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "outretsens") == 0 || isConfPage == 3)
  {
    int tmp;
    if (confMqtt.mqtt_outRetain_sensors)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.outRetSens: %d", PGMStr_confMqtt, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "outpubint") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.outPubInt: %d", PGMStr_confMqtt, confMqtt.mqtt_outPubInterval);
    sendLog(buf);
  }
  if (strcmp(param, "outpubintsens") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.outPubIntSens: %d", PGMStr_confMqtt, confMqtt.mqtt_outPubInterval_sensors);
    sendLog(buf);
  }
  if (strcmp(param, "willtop") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.willTop: '%s'", PGMStr_confMqtt, confMqtt.mqtt_willTopic);
    sendLog(buf);
  }
  if (strcmp(param, "willqos") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.willQos: %d", PGMStr_confMqtt, confMqtt.mqtt_willQos);
    sendLog(buf);
  }
  if (strcmp(param, "willret") == 0 || isConfPage == 3)
  {
    int tmp;
    if (confMqtt.mqtt_willRetain)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.willRet: %d", PGMStr_confMqtt, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "willmsg") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.willMsg: '%s'", PGMStr_confMqtt, confMqtt.mqtt_willMsg);
    sendLog(buf);
  }
  if (strcmp(param, "connmsg") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.connMsg: '%s'", PGMStr_confMqtt, confMqtt.mqtt_connMsg);
    sendLog(buf);
  }
  if (strcmp(param, "hbenable") == 0 || isConfPage == 3)
  {
    int tmp;
    if (confMqtt.mqtt_enable_heartbeat)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.hbEnable: %d", PGMStr_confMqtt, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "hbreconn") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.hbReconn: %lu", PGMStr_confMqtt, confMqtt.mqtt_heartbeat_maxage_reconnect / 60000);
    sendLog(buf);
  }
  if (strcmp(param, "hbreboot") == 0 || isConfPage == 3)
  {
    sprintf_P(buf, "%s.hbReboot: %lu", PGMStr_confMqtt, confMqtt.mqtt_heartbeat_maxage_reboot / 60000);
    sendLog(buf);
  }

  // confBas
  if (strcmp(param, "autosavetemp") == 0 || isConfPage == 4)
  {
    int tmp;
    if (confBas.autoSaveSetTemp)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.autoSaveTemp: %d", PGMStr_confBas, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "autosavemode") == 0 || isConfPage == 4)
  {
    int tmp;
    if (confBas.autoSaveHeatingMode)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.autoSaveMode: %d", PGMStr_confBas, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "savetomqttret") == 0 || isConfPage == 4)
  {
    int tmp;
    if (confBas.saveToMqttRetained)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.savetoMqttRet: %d", PGMStr_confBas, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "tempmin") == 0 || isConfPage == 4)
  {
    sprintf_P(buf, "%s.tempMin: '%2.1f'", PGMStr_confBas, confBas.setTempMin);
    sendLog(buf);
  }
  if (strcmp(param, "tempmax") == 0 || isConfPage == 4)
  {
    sprintf_P(buf, "%s.tempMax: '%2.1f'", PGMStr_confBas, confBas.setTempMax);
    sendLog(buf);
  }
  if (strcmp(param, "measint") == 0 || isConfPage == 4)
  {
    sprintf_P(buf, "%s.measInt: %d", PGMStr_confBas, confBas.measureInterval);
    sendLog(buf);
  }
  if (strcmp(param, "dispint") == 0 || isConfPage == 4)
  {
    sprintf_P(buf, "%s.dispInt: %d", PGMStr_confBas, confBas.displayInterval);
    sendLog(buf);
  }
  if (strcmp(param, "disptout") == 0 || isConfPage == 4)
  {
    sprintf_P(buf, "%s.dispTout: %d", PGMStr_confBas, confBas.displayTimeout);
    sendLog(buf);
  }
  if (strcmp(param, "pirendisp") == 0 || isConfPage == 4)
  {
    int tmp;
    if (confBas.PIR_enablesDisplay)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.pirEnDisp: %d", PGMStr_confBas, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "pirendispps0") == 0 || isConfPage == 4)
  {
    int tmp;
    if (confBas.PIR_enablesDisplay_preset0only)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.pirEnDispPs0: %d", PGMStr_confBas, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "togthdisp") == 0 || isConfPage == 4)
  {
    int tmp;
    if (confBas.togglingTempHumAIDisplay)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.togTHdisp: %d", PGMStr_confBas, tmp);
    sendLog(buf);
  }

  // confAdv
  if (strcmp(param, "minofftime") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.minOffTime: %d", PGMStr_confAdv, confAdv.heatingMinOffTime);
    sendLog(buf);
  }
  if (strcmp(param, "tempdec") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.tempDec: %2.1f", PGMStr_confAdv, confAdv.setTempDecreaseVal);
    sendLog(buf);
  }
  if (strcmp(param, "hyst") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.hyst: %1.2f", PGMStr_confAdv, confAdv.hysteresis);
    sendLog(buf);
  }
  if (strcmp(param, "tempcorr") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.tempCorr: %1.2f", PGMStr_confAdv, confAdv.tempCorrVal);
    sendLog(buf);
  }
  if (strcmp(param, "humcorr") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.humCorr: %d", PGMStr_confAdv, confAdv.humCorrVal);
    sendLog(buf);
  }
  if (strcmp(param, "offmsg") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.offMsg: '%s'", PGMStr_confAdv, confAdv.offMessage);
    sendLog(buf);
  }
  if (strcmp(param, "modename0") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.modeName0: '%s'", PGMStr_confAdv, confAdv.modeName0);
    sendLog(buf);
  }
  if (strcmp(param, "modename1") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.modeName1: '%s'", PGMStr_confAdv, confAdv.modeName1);
    sendLog(buf);
  }
  if (strcmp(param, "psetname0") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.psetName0: '%s'", PGMStr_confAdv, confAdv.psetName0);
    sendLog(buf);
  }
  if (strcmp(param, "psetname1") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.psetName1: '%s'", PGMStr_confAdv, confAdv.psetName1);
    sendLog(buf);
  }
  if (strcmp(param, "psetname2") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.psetName2: '%s'", PGMStr_confAdv, confAdv.psetName2);
    sendLog(buf);
  }
  if (strcmp(param, "itemplab") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.iTempLab: '%s'", PGMStr_confAdv, confAdv.iTempLabel);
    sendLog(buf);
  }
  if (strcmp(param, "otemplab") == 0 || isConfPage == 5)
  {
    sprintf_P(buf, "%s.oTempLab: '%s'", PGMStr_confAdv, confAdv.oTempLabel);
    sendLog(buf);
  }

  // confAdd
  if (strcmp(param, "outtemptop") == 0 || isConfPage == 6)
  {
    sprintf_P(buf, "%s.outTempTop: '%s'", PGMStr_confAdd, confAdd.outTemp_topic_in);
    sendLog(buf);
  }
  if (strcmp(param, "outhumtop") == 0 || isConfPage == 6)
  {
    sprintf_P(buf, "%s.outHumTop: '%s'", PGMStr_confAdd, confAdd.outHum_topic_in);
    sendLog(buf);
  }
  if (strcmp(param, "pirtop") == 0 || isConfPage == 6)
  {
    sprintf_P(buf, "%s.PIRTop: '%s'", PGMStr_confAdd, confAdd.mqtt_topic_pir);
    sendLog(buf);
  }
  if (strcmp(param, "pironpld") == 0 || isConfPage == 6)
  {
    sprintf_P(buf, "%s.PIROnPld: '%s'", PGMStr_confAdd, confAdd.mqtt_payload_pir_on);
    sendLog(buf);
  }
  if (strcmp(param, "piroffpld") == 0 || isConfPage == 6)
  {
    sprintf_P(buf, "%s.PIROffPld: '%s'", PGMStr_confAdd, confAdd.mqtt_payload_pir_off);
    sendLog(buf);
  }

#ifdef ENABLE_FEATURE_NTP_TIME
  // confTime
  if (strcmp(param, "tzstr") == 0 || isConfPage == 7)
  {
    sprintf_P(buf, "%s.TZstr: '%s'", PGMStr_confTime, confTime.timeZoneStr);
    sendLog(buf);
  }
  if (strcmp(param, "ntpenable") == 0 || isConfPage == 7)
  {
    int tmp;
    if (confTime.ntpEnable)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.ntpEnable: %d", PGMStr_confTime, tmp);
    sendLog(buf);
  }
  if (strcmp(param, "ntpserver1") == 0 || isConfPage == 7)
  {
    sprintf_P(buf, "%s.ntpServer1: '%s'", PGMStr_confTime, confTime.ntpServer1);
    sendLog(buf);
  }
  if (strcmp(param, "ntpserver2") == 0 || isConfPage == 7)
  {
    sprintf_P(buf, "%s.ntpServer2: '%s'", PGMStr_confTime, confTime.ntpServer2);
    sendLog(buf);
  }
  if (strcmp(param, "ntpsyncint") == 0 || isConfPage == 7)
  {
    sprintf_P(buf, "%s.ntpSyncInt: %lu", PGMStr_confTime, confTime.ntpSyncInterval / 60);
    sendLog(buf);
  }
#endif

  // confLog
  if (strcmp(param, "loglevser") == 0 || isConfPage == 8)
  {
    sprintf_P(buf, "%s.logLevSer: %d", PGMStr_confLog, confLog.logLevelSerial);
    sendLog(buf);
  }
  if (strcmp(param, "loglevweb") == 0 || isConfPage == 8)
  {
    sprintf_P(buf, "%s.logLevWeb: %d", PGMStr_confLog, confLog.logLevelWeb);
    sendLog(buf);
  }
  if (strcmp(param, "loglevmqtt") == 0 || isConfPage == 8)
  {
    sprintf_P(buf, "%s.logLevMqtt: %d", PGMStr_confLog, confLog.logLevelMqtt);
    sendLog(buf);
  }
  if (strcmp(param, "logwebrequests") == 0 || isConfPage == 8)
  {
    int tmp;
    if (confLog.logWebRequests)
      tmp = 1;
    else
      tmp = 0;
    sprintf_P(buf, "%s.logWebRequests: %d", PGMStr_confLog, tmp);
    sendLog(buf);
  }
}

boolean loadConfigDevWiFi()
{
  char configFileName[] = "/confDevWiFi.json";
  if (SPIFFS.exists(configFileName))
  {
    File configFile = SPIFFS.open(configFileName, "r");
    if (!configFile)
    {
      Serial.print(F("ERR: Failed to open file '"));
      Serial.print(configFileName);
      Serial.println("'");
      return false;
    }
    else
    {
      Serial.print("file '");
      Serial.print(configFileName);
      Serial.print("' opened. ");
      size_t size = configFile.size();
      Serial.print("size=");
      Serial.println(size);

      if (size > 1000)
      {
        Serial.println(F("Config file size is too large"));
        return false;
      }

      std::unique_ptr<char[]> buf(new char[size]);
#ifdef DEBUGMODE
      Serial.println(F("file content:"));
      while (configFile.available())
      {
        Serial.write(configFile.read());
      }
      Serial.println();
      configFile.seek(0, SeekSet); // reset so that we can read again
#endif
      configFile.readBytes(buf.get(), size);

      DynamicJsonDocument json(size + 50);
      DeserializationError error = deserializeJson(json, buf.get());
      if (error)
      {
        Serial.println(F("Failed to parse config file"));
        return false;
      }

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      char tmp[101];
#endif

      strlcpy(confDevWiFi.deviceName, json["devName"] | "", sizeof(confDevWiFi.deviceName));
      strlcpy(confDevWiFi.hostName, json["hostName"] | "", sizeof(confDevWiFi.hostName));

      strlcpy(confDevWiFi.WiFiSSID1, json["SSID1"] | "", sizeof(confDevWiFi.WiFiSSID1));

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      if (confEncryptionEnabled)
      {
        strlcpy(tmp, json["WPW1"] | "", sizeof(tmp));
        strlcpy(confDevWiFi.WiFiPW1, XORENC(tmp, encKey), sizeof(confDevWiFi.WiFiPW1));
      }
      else
        strlcpy(confDevWiFi.WiFiPW1, json["WPW1"] | "", sizeof(confDevWiFi.WiFiPW1));
#else
      strlcpy(confDevWiFi.WiFiPW1, json["WPW1"] | "", sizeof(confDevWiFi.WiFiPW1));
#endif

      strlcpy(confDevWiFi.WiFiSSID2, json["SSID2"] | "", sizeof(confDevWiFi.WiFiSSID2));

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      if (confEncryptionEnabled)
      {
        strlcpy(tmp, json["WPW2"] | "", sizeof(tmp));
        strlcpy(confDevWiFi.WiFiPW2, XORENC(tmp, encKey), sizeof(confDevWiFi.WiFiPW2));
      }
      else
        strlcpy(confDevWiFi.WiFiPW2, json["WPW2"] | "", sizeof(confDevWiFi.WiFiPW2));
#else
      strlcpy(confDevWiFi.WiFiPW2, json["WPW2"] | "", sizeof(confDevWiFi.WiFiPW2));
#endif

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      if (confEncryptionEnabled)
      {
        strlcpy(tmp, json["WPWAP"] | "", sizeof(tmp));
        strlcpy(confDevWiFi.WiFiAPModePassword, XORENC(tmp, encKey), sizeof(confDevWiFi.WiFiAPModePassword));
      }
      else
        strlcpy(confDevWiFi.WiFiAPModePassword, json["WPWAP"] | "", sizeof(confDevWiFi.WiFiAPModePassword));
#else
      strlcpy(confDevWiFi.WiFiAPModePassword, json["WPWAP"] | "", sizeof(confDevWiFi.WiFiAPModePassword));
#endif

      confDevWiFi.WiFiAPModeTimeout = json["WAPtout"] | DEFAULT_WIFI_APMODE_TIMEOUT;
      confDevWiFi.WiFiRetryInterval = json["Wretry"] | DEFAULT_WIFI_RETRY_INTERVAL;
      confDevWiFi.WiFiConnCheckInterval = json["WConnCheck"] | DEFAULT_WIFI_CONNCHECK_INTERVAL;
      confDevWiFi.WiFiRebootOnNoConnect = json["Wreboot"] | DEFAULT_WIFI_REBOOT_ONNOCONNECT;

      Serial.println(F("Loaded config values."));
      //getConfig((char *)"confDevWiFi");
      return true;
    }
    configFile.close();
  }
  else
  {
    Serial.print(F("NOTE: could not load confDevWiFi - file '"));
    Serial.print(configFileName);
    Serial.println(F("' does not exist."));
    return false;
  }
} // loadConfigDevWiFi

boolean loadConfigWeb()
{ // loadConfigWeb
  char configFileName[] = "/confWeb.json";
  if (SPIFFS.exists(configFileName))
  {
    File configFile = SPIFFS.open(configFileName, "r");
    if (!configFile)
    {
      Serial.print(F("ERR: Failed to open file '"));
      Serial.print(configFileName);
      Serial.println("'");
      return false;
    }
    else
    {
      Serial.print("file '");
      Serial.print(configFileName);
      Serial.print("' opened. ");
      size_t size = configFile.size();
      Serial.print("size=");
      Serial.println(size);

      if (size > 1000)
      {
        Serial.println(F("Config file size is too large"));
        return false;
      }

      std::unique_ptr<char[]> buf(new char[size]);
#ifdef DEBUGMODE
      Serial.println(F("file content:"));
      while (configFile.available())
      {
        Serial.write(configFile.read());
      }
      Serial.println();
      configFile.seek(0, SeekSet); // reset so that we can read again
#endif
      configFile.readBytes(buf.get(), size);

      DynamicJsonDocument json(size + 50);
      DeserializationError error = deserializeJson(json, buf.get());
      if (error)
      {
        Serial.println(F("Failed to parse config file"));
        return false;
      }
#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      char tmp[101];
#endif

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      if (confEncryptionEnabled)
      {
        strlcpy(tmp, json["apiToken"] | "", sizeof(tmp));
        strlcpy(confWeb.http_token, XORENC(tmp, encKey), sizeof(confWeb.http_token));
      }
      else
        strlcpy(confWeb.http_token, json["apiToken"] | "", sizeof(confWeb.http_token));
#else
      strlcpy(confWeb.http_token, json["apiToken"] | "", sizeof(confWeb.http_token));
#endif

      strlcpy(confWeb.http_user, json["httpUA"] | "", sizeof(confWeb.http_user));

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      if (confEncryptionEnabled)
      {
        strlcpy(tmp, json["httpPA"] | "", sizeof(tmp));
        strlcpy(confWeb.http_pass, XORENC(tmp, encKey), sizeof(confWeb.http_pass));
      }
      else
        strlcpy(confWeb.http_pass, json["httpPA"] | "", sizeof(confWeb.http_pass));
#else
      strlcpy(confWeb.http_pass, json["httpPA"] | "", sizeof(confWeb.http_pass));
#endif

      if ((json["httpAuth"] | 0) == 1)
        confWeb.http_user_auth = true;
      else
        confWeb.http_user_auth = false;

      strlcpy(confWeb.http_user1, json["httpU1"] | "", sizeof(confWeb.http_user1));

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      if (confEncryptionEnabled)
      {
        strlcpy(tmp, json["httpP1"] | "", sizeof(tmp));
        strlcpy(confWeb.http_pass1, XORENC(tmp, encKey), sizeof(confWeb.http_pass1));
      }
      else
        strlcpy(confWeb.http_pass1, json["httpP1"] | "", sizeof(confWeb.http_pass1));
#else
      strlcpy(confWeb.http_pass1, json["httpP1"] | "", sizeof(confWeb.http_pass1));
#endif

      strlcpy(confWeb.http_user2, json["httpU2"] | "", sizeof(confWeb.http_user2));

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      if (confEncryptionEnabled)
      {
        strlcpy(tmp, json["httpP2"] | "", sizeof(tmp));
        strlcpy(confWeb.http_pass2, XORENC(tmp, encKey), sizeof(confWeb.http_pass2));
      }
      else
        strlcpy(confWeb.http_pass2, json["httpP2"] | "", sizeof(confWeb.http_pass2));
#else
      strlcpy(confWeb.http_pass2, json["httpP2"] | "", sizeof(confWeb.http_pass2));
#endif

      if ((json["wConsole"] | 0) == 1)
        confWeb.wConsole = true;
      else
        confWeb.wConsole = false;

      if ((json["wsConsole"] | 0) == 1)
        confWeb.wsConsole = true;
      else
        confWeb.wsConsole = false;

      Serial.println(F("Loaded config values."));
      //getConfig((char *)"confWeb");
      return true;
    }
    configFile.close();
  }
  else
  {
    Serial.print(F("NOTE: could not load confWeb - file '"));
    Serial.print(configFileName);
    Serial.println(F("' does not exist."));
    return false;
  }
} // loadConfigWeb

boolean loadConfigMqtt()
{ // loadConfigMqtt
  char configFileName[] = "/confMqtt.json";
  if (SPIFFS.exists(configFileName))
  {
    File configFile = SPIFFS.open(configFileName, "r");
    if (!configFile)
    {
      Serial.print(F("ERR: Failed to open file '"));
      Serial.print(configFileName);
      Serial.println("'");
      return false;
    }
    else
    {
      Serial.print("file '");
      Serial.print(configFileName);
      Serial.print("' opened. ");
      size_t size = configFile.size();
      Serial.print("size=");
      Serial.println(size);

      if (size > 1000)
      {
        Serial.println(F("Config file size is too large"));
        return false;
      }

      std::unique_ptr<char[]> buf(new char[size]);
#ifdef DEBUGMODE
      Serial.println(F("file content:"));
      while (configFile.available())
      {
        Serial.write(configFile.read());
      }
      Serial.println();
      configFile.seek(0, SeekSet); // reset so that we can read again
#endif
      configFile.readBytes(buf.get(), size);

      DynamicJsonDocument json(size + 50);
      DeserializationError error = deserializeJson(json, buf.get());
      if (error)
      {
        Serial.println(F("Failed to parse config file"));
        return false;
      }

      if ((json["mqttEnable"] | 0) == 1)
        confMqtt.mqtt_enable = true;
      else
        confMqtt.mqtt_enable = false;

      strlcpy(confMqtt.mqtt_server, json["mqttHost"] | "", sizeof(confMqtt.mqtt_server));
      confMqtt.mqtt_port = json["mqttPort"] | 1883;
      strlcpy(confMqtt.mqtt_user, json["mqttUser"] | "", sizeof(confMqtt.mqtt_user));

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      char tmp[101];
#endif

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
      if (confEncryptionEnabled)
      {
        strlcpy(tmp, json["mqttPass"] | "", sizeof(tmp));
        strlcpy(confMqtt.mqtt_pass, XORENC(tmp, encKey), sizeof(confMqtt.mqtt_pass));
      }
      else
        strlcpy(confMqtt.mqtt_pass, json["mqttPass"] | "", sizeof(confMqtt.mqtt_pass));
#else
      strlcpy(confMqtt.mqtt_pass, json["mqttPass"] | "", sizeof(confMqtt.mqtt_pass));
#endif

      strlcpy(confMqtt.mqtt_topic_in, json["inTop"] | "", sizeof(confMqtt.mqtt_topic_in));
      strlcpy(confMqtt.mqtt_topic_out, json["outTop"] | "", sizeof(confMqtt.mqtt_topic_out));

      if ((json["outRet"] | 0) == 1)
        confMqtt.mqtt_outRetain = true;
      else
        confMqtt.mqtt_outRetain = false;

      if ((json["outRetSens"] | 0) == 1)
        confMqtt.mqtt_outRetain_sensors = true;
      else
        confMqtt.mqtt_outRetain_sensors = false;

      confMqtt.mqtt_outPubInterval = json["outPubInt"] | MQTT_OUT_PUBLISH_INTERVAL;
      confMqtt.mqtt_outPubInterval_sensors = json["outPubIntSens"] | MQTT_OUT_PUBLISH_INTERVAL_SENSORS;

      strlcpy(confMqtt.mqtt_willTopic, json["willTop"] | "", sizeof(confMqtt.mqtt_willTopic));

      confMqtt.mqtt_willQos = json["willQos"] | 0;

      if ((json["willRet"] | 0) == 1)
        confMqtt.mqtt_willRetain = true;
      else
        confMqtt.mqtt_willRetain = false;

      strlcpy(confMqtt.mqtt_willMsg, json["willMsg"] | "", sizeof(confMqtt.mqtt_willMsg));
      strlcpy(confMqtt.mqtt_connMsg, json["connMsg"] | "", sizeof(confMqtt.mqtt_connMsg));

      if ((json["hbEnable"] | 0) == 1)
        confMqtt.mqtt_enable_heartbeat = true;
      else
        confMqtt.mqtt_enable_heartbeat = false;

      uint16_t tmpval;
      tmpval = json["hbReconn"] | 0;
      if (tmpval == 0)
        confMqtt.mqtt_heartbeat_maxage_reconnect = 0;
      else if (tmpval >= 2 && tmpval <= 10)
        confMqtt.mqtt_heartbeat_maxage_reconnect = tmpval * 60000;

      tmpval = json["hbReboot"] | 0;
      if (tmpval == 0)
        confMqtt.mqtt_heartbeat_maxage_reboot = 0;
      else if (tmpval >= 2 && tmpval <= 10)
        confMqtt.mqtt_heartbeat_maxage_reboot = tmpval * 60000;

      Serial.println(F("Loaded config values."));
      //getConfig((char *)"confMqtt");
      return true;
    }
    configFile.close();
  }
  else
  {
    Serial.print(F("NOTE: could not load confMqtt - file '"));
    Serial.print(configFileName);
    Serial.println(F("' does not exist."));
    return false;
  }
} // loadConfigMqtt

boolean loadConfigBas()
{
  char configFileName[] = "/confBas.json";
  if (SPIFFS.exists(configFileName))
  {
    File configFile = SPIFFS.open(configFileName, "r");
    if (!configFile)
    {
      Serial.print(F("ERR: Failed to open file '"));
      Serial.print(configFileName);
      Serial.println("'");
      return false;
    }
    else
    {
      Serial.print("file '");
      Serial.print(configFileName);
      Serial.print("' opened. ");
      size_t size = configFile.size();
      Serial.print("size=");
      Serial.println(size);

      if (size > 1000)
      {
        Serial.println(F("Config file size is too large"));
        return false;
      }

      std::unique_ptr<char[]> buf(new char[size]);
#ifdef DEBUGMODE
      Serial.println(F("file content:"));
      while (configFile.available())
      {
        Serial.write(configFile.read());
      }
      Serial.println();
      configFile.seek(0, SeekSet); // reset so that we can read again
#endif
      configFile.readBytes(buf.get(), size);

      DynamicJsonDocument json(size + 50);
      DeserializationError error = deserializeJson(json, buf.get());
      if (error)
      {
        Serial.println(F("Failed to parse config file"));
        return false;
      }

      if ((json["autoSaveTemp"] | 0) == 1)
        confBas.autoSaveSetTemp = true;
      else
        confBas.autoSaveSetTemp = false;

      if ((json["autoSaveMode"] | 0) == 1)
        confBas.autoSaveHeatingMode = true;
      else
        confBas.autoSaveHeatingMode = false;

      if ((json["saveToMqttRet"] | 0) == 1)
        confBas.saveToMqttRetained = true;
      else
        confBas.saveToMqttRetained = false;

      if ((json["PIRenDisp"] | 0) == 1)
        confBas.PIR_enablesDisplay = true;
      else
        confBas.PIR_enablesDisplay = false;

      if ((json["PIRenDispPs0"] | 0) == 1)
        confBas.PIR_enablesDisplay_preset0only = true;
      else
        confBas.PIR_enablesDisplay_preset0only = false;

      if ((json["togTHdisp"] | 0) == 1)
        confBas.togglingTempHumAIDisplay = true;
      else
        confBas.togglingTempHumAIDisplay = false;

      confBas.setTempMin = json["tempMin"] | DEFAULT_SETTEMP_MIN;
      confBas.setTempMax = json["tempMax"] | DEFAULT_SETTEMP_MAX;
      confBas.measureInterval = json["measInt"] | DEFAULT_MEASURE_INTERVAL;
      confBas.displayInterval = json["dispInt"] | DEFAULT_DISPLAY_INTERVAL;
      confBas.displayTimeout = json["dispTout"] | DEFAULT_DISPLAY_TIMEOUT;

      // Serial.println(F("Loaded config values."));
      //getConfig((char *)"confBas");
      return true;
    }
    configFile.close();
  }
  else
  {
    Serial.print(F("NOTE: could not load confBas - file '"));
    Serial.print(configFileName);
    Serial.println(F("' does not exist."));
    return false;
  }
} // loadConfigBas

boolean loadConfigAdv()
{
  char configFileName[] = "/confAdv.json";
  if (SPIFFS.exists(configFileName))
  {
    File configFile = SPIFFS.open(configFileName, "r");
    if (!configFile)
    {
      Serial.print(F("ERR: Failed to open file '"));
      Serial.print(configFileName);
      Serial.println("'");
      return false;
    }
    else
    {
      Serial.print("file '");
      Serial.print(configFileName);
      Serial.print("' opened. ");
      size_t size = configFile.size();
      Serial.print("size=");
      Serial.println(size);

      if (size > 1000)
      {
        Serial.println(F("Config file size is too large"));
        return false;
      }

      std::unique_ptr<char[]> buf(new char[size]);
#ifdef DEBUGMODE
      Serial.println(F("file content:"));
      while (configFile.available())
      {
        Serial.write(configFile.read());
      }
      Serial.println();
      configFile.seek(0, SeekSet); // reset so that we can read again
#endif
      configFile.readBytes(buf.get(), size);

      DynamicJsonDocument json(size + 50);
      DeserializationError error = deserializeJson(json, buf.get());
      if (error)
      {
        Serial.println(F("Failed to parse config file"));
        return false;
      }

      confAdv.hysteresis = json["hyst"] | 0.1;
      confAdv.heatingMinOffTime = json["minOffTime"] | 120;
      confAdv.tempCorrVal = json["tempCorr"] | 0;
      confAdv.humCorrVal = json["humCorr"] | 0;
      confAdv.setTempDecreaseVal = json["tempDec"] | 0;

      strlcpy(confAdv.offMessage, json["offMsg"] | "", sizeof(confAdv.offMessage));

      strlcpy(confAdv.iTempLabel, json["iTempLab"] | "", sizeof(confAdv.iTempLabel));
      strlcpy(confAdv.oTempLabel, json["oTempLab"] | "", sizeof(confAdv.oTempLabel));

      strlcpy(confAdv.modeName0, json["modeName0"] | "", sizeof(confAdv.modeName0));
      strlcpy(confAdv.modeName1, json["modeName1"] | "", sizeof(confAdv.modeName1));
      strlcpy(confAdv.psetName0, json["psetName0"] | "", sizeof(confAdv.psetName0));
      strlcpy(confAdv.psetName1, json["psetName1"] | "", sizeof(confAdv.psetName1));
      strlcpy(confAdv.psetName2, json["psetName2"] | "", sizeof(confAdv.psetName2));

      // Serial.println("Loaded config values:");
      //getConfig((char *)"confAdv");
      return true;
    }
    configFile.close();
  }
  else
  {
    Serial.print(F("NOTE: could not load confAdv - file '"));
    Serial.print(configFileName);
    Serial.println(F("' does not exist."));
    return false;
  }
} // loadConfigAdv

boolean loadConfigAdd()
{
  char configFileName[] = "/confAdd.json";
  if (SPIFFS.exists(configFileName))
  {
    File configFile = SPIFFS.open(configFileName, "r");
    if (!configFile)
    {
      Serial.print(F("ERR: Failed to open file '"));
      Serial.print(configFileName);
      Serial.println("'");
      return false;
    }
    else
    {
      Serial.print("file '");
      Serial.print(configFileName);
      Serial.print("' opened. ");
      size_t size = configFile.size();
      Serial.print("size=");
      Serial.println(size);

      if (size > 1000)
      {
        Serial.println(F("Config file size is too large"));
        return false;
      }

      std::unique_ptr<char[]> buf(new char[size]);
#ifdef DEBUGMODE
      Serial.println(F("file content:"));
      while (configFile.available())
      {
        Serial.write(configFile.read());
      }
      Serial.println();
      configFile.seek(0, SeekSet); // reset so that we can read again
#endif
      configFile.readBytes(buf.get(), size);

      DynamicJsonDocument json(size + 50);
      DeserializationError error = deserializeJson(json, buf.get());
      if (error)
      {
        Serial.println(F("Failed to parse config file"));
        return false;
      }

      strlcpy(confAdd.mqtt_topic_pir, json["PIRTop"] | "", sizeof(confAdd.mqtt_topic_pir));
      strlcpy(confAdd.mqtt_payload_pir_on, json["PIROnPld"] | "", sizeof(confAdd.mqtt_payload_pir_on));
      strlcpy(confAdd.mqtt_payload_pir_off, json["PIROffPld"] | "", sizeof(confAdd.mqtt_payload_pir_off));
      strlcpy(confAdd.outTemp_topic_in, json["outTempTop"] | "", sizeof(confAdd.outTemp_topic_in));
      strlcpy(confAdd.outHum_topic_in, json["outHumTop"] | "", sizeof(confAdd.outHum_topic_in));

      // Serial.println("Loaded config values:");
      //getConfig((char *)"confAdd");
      return true;
    }
    configFile.close();
  }
  else
  {
    Serial.print(F("NOTE: could not load confAdd - file '"));
    Serial.print(configFileName);
    Serial.println(F("' does not exist."));
    return false;
  }
} // loadConfigAdd

#ifdef ENABLE_FEATURE_NTP_TIME
boolean loadConfigTime()
{
  char configFileName[] = "/confTime.json";
  if (SPIFFS.exists(configFileName))
  {
    File configFile = SPIFFS.open(configFileName, "r");
    if (!configFile)
    {
      Serial.print(F("ERR: Failed to open file '"));
      Serial.print(configFileName);
      Serial.println("'");
      return false;
    }
    else
    {
      Serial.print("file '");
      Serial.print(configFileName);
      Serial.print("' opened. ");
      size_t size = configFile.size();
      Serial.print("size=");
      Serial.println(size);

      if (size > 1000)
      {
        Serial.println(F("Config file size is too large"));
        return false;
      }

      std::unique_ptr<char[]> buf(new char[size]);
#ifdef DEBUGMODE
      Serial.println(F("file content:"));
      while (configFile.available())
      {
        Serial.write(configFile.read());
      }
      Serial.println();
      configFile.seek(0, SeekSet); // reset so that we can read again
#endif
      configFile.readBytes(buf.get(), size);

      DynamicJsonDocument json(size + 50);
      DeserializationError error = deserializeJson(json, buf.get());
      if (error)
      {
        Serial.println(F("Failed to parse config file"));
        return false;
      }

      if ((json["NTPEnable"] | 0) == 1)
        confTime.ntpEnable = true;
      else
        confTime.ntpEnable = false;

      strlcpy(confTime.ntpServer1, json["NTPServer1"] | "", sizeof(confTime.ntpServer1));
      strlcpy(confTime.ntpServer2, json["NTPServer2"] | "", sizeof(confTime.ntpServer2));
      unsigned int ntpSyncInterval = json["NTPSyncInt"];
      confTime.ntpSyncInterval = ntpSyncInterval * 60;
      strlcpy(confTime.timeZoneStr, json["TZstr"] | "", sizeof(confTime.timeZoneStr));

      // Serial.println("Loaded config values:");
      //getConfig((char *)"confTime");
      return true;
    }
    configFile.close();
  }
  else
  {
    Serial.print(F("NOTE: could not load confTime - file '"));
    Serial.print(configFileName);
    Serial.println(F("' does not exist."));
    return false;
  }
} // loadConfigTime
#endif

boolean loadConfigLog()
{
  char configFileName[] = "/confLog.json";
  if (SPIFFS.exists(configFileName))
  {
    File configFile = SPIFFS.open(configFileName, "r");
    if (!configFile)
    {
      Serial.print(F("ERR: Failed to open file '"));
      Serial.print(configFileName);
      Serial.println("'");
      return false;
    }
    else
    {
      Serial.print("file '");
      Serial.print(configFileName);
      Serial.print("' opened. ");
      size_t size = configFile.size();
      Serial.print("size=");
      Serial.println(size);

      if (size > 1000)
      {
        Serial.println(F("Config file size is too large"));
        return false;
      }

      std::unique_ptr<char[]> buf(new char[size]);
#ifdef DEBUGMODE
      Serial.println(F("file content:"));
      while (configFile.available())
      {
        Serial.write(configFile.read());
      }
      Serial.println();
      configFile.seek(0, SeekSet); // reset so that we can read again
#endif
      configFile.readBytes(buf.get(), size);

      DynamicJsonDocument json(size + 50);
      DeserializationError error = deserializeJson(json, buf.get());
      if (error)
      {
        Serial.println(F("Failed to parse config file"));
        return false;
      }

      //if ((json["NTPEnable"] | 0) == 1)
      //  confTime.ntpEnable = true;
      //else
      //  confTime.ntpEnable = false;

      confLog.logLevelSerial = json["logLevSer"];
      confLog.logLevelWeb = json["logLevWeb"];
      confLog.logLevelMqtt = json["logLevMqtt"];

      if ((json["logWebRequests"] | 0) == 1)
        confLog.logWebRequests = true;
      else
        confLog.logWebRequests = false;

      // Serial.println("Loaded config values:");
      //getConfig((char *)"confLog");
      return true;
    }
    configFile.close();
  }
  else
  {
    Serial.print(F("NOTE: could not load confTime - file '"));
    Serial.print(configFileName);
    Serial.println(F("' does not exist."));
    return false;
  }
} // loadConfigLog

boolean loadSetTemp()
{ // loadSetTemp
  File configFile = SPIFFS.open("/setTemp", "r");
  if (!configFile)
  {
    Serial.println(F("NOTE: Failed to open file /setTemp"));
    return false;
  }
  String s = configFile.readStringUntil('\n');
  configFile.close();
  float tmpSetTemp = s.toFloat();
  if (tmpSetTemp >= confBas.setTempMin && tmpSetTemp <= confBas.setTempMax)
  {
    setTemp = tmpSetTemp;
    setTempSaved = tmpSetTemp;
    return true;
  }
  else
    return false;
} // loadSetTemp

boolean loadSetTempLow()
{ // loadSetTempLow
  File configFile = SPIFFS.open("/setTempLow", "r");
  if (!configFile)
  {
    Serial.println(F("NOTE: Failed to open file /setTempLow"));
    return false;
  }
  String s = configFile.readStringUntil('\n');
  configFile.close();
  float tmpSetTempLow = s.toFloat();
  if (tmpSetTempLow >= setTempLowMin && tmpSetTempLow <= setTempLowMax)
  {
    setTempLow = tmpSetTempLow;
    setTempLowSaved = tmpSetTempLow;
    return true;
  }
  else
    return false;
} // loadSetTempLow

boolean loadSetTempLow2()
{ // loadSetTempLow2
  File configFile = SPIFFS.open("/setTempLow2", "r");
  if (!configFile)
  {
    Serial.println(F("NOTE: Failed to open file /setTempLow2"));
    return false;
  }
  String s = configFile.readStringUntil('\n');
  configFile.close();
  float tmpSetTempLow2 = s.toFloat();
  if (tmpSetTempLow2 >= setTempLowMin && tmpSetTempLow2 <= setTempLowMax)
  {
    setTempLow2 = tmpSetTempLow2;
    setTempLow2Saved = tmpSetTempLow2;
    return true;
  }
  else
    return false;
} // loadSetTempLow2

boolean loadHeatingMode()
{ // loadHeatingMode
  File configFile = SPIFFS.open("/heatingMode", "r");
  if (!configFile)
  {
    Serial.println(F("NOTE: Failed to open file /heatingMode"));
    return false;
  }
  String s = configFile.readStringUntil('\n');
  configFile.close();
  int tmpHeatingMode = s.toInt();
  if (tmpHeatingMode >= 0 && tmpHeatingMode <= 1)
  {
    heatingMode = tmpHeatingMode;
    heatingModeSaved = tmpHeatingMode;
    return true;
  }
  else
    return false;
} // loadHeatingMode

boolean loadPreset()
{ // loadPreset
  File configFile = SPIFFS.open("/preset", "r");
  if (!configFile)
  {
    Serial.println(F("NOTE: Failed to open file /preset"));
    return false;
  }
  String s = configFile.readStringUntil('\n');
  configFile.close();
  int tmpPreset = s.toInt();
  if (tmpPreset >= 0 && tmpPreset <= 2)
  {
    preset = tmpPreset;
    presetSaved = tmpPreset;
    return true;
  }
  else
    return false;
} // loadPreset

boolean saveConfigWeb()
{ // saveConfig
  if (confWeb.wasChanged)
  {
    char configFileName[] = "/confWeb.json";
    DynamicJsonDocument json(1050);

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
    if (confEncryptionEnabled)
      json["apiToken"] = XORENC(confWeb.http_token, encKey);
    else
      json["apiToken"] = confWeb.http_token;
#else
    json["apiToken"] = confWeb.http_token;
#endif

    json["httpUA"] = confWeb.http_user;

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
    if (confEncryptionEnabled)
      json["httpPA"] = XORENC(confWeb.http_pass, encKey);
    else
      json["httpPA"] = confWeb.http_pass;
#else
    json["httpPA"] = confWeb.http_pass;
#endif

    if (confWeb.http_user_auth)
      json["httpAuth"] = 1;
    else
      json["httpAuth"] = 0;

    json["httpU1"] = confWeb.http_user1;

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
    if (confEncryptionEnabled)
      json["httpP1"] = XORENC(confWeb.http_pass1, encKey);
    else
      json["httpP1"] = confWeb.http_pass1;
#else
    json["httpP1"] = confWeb.http_pass1;
#endif

    json["httpU2"] = confWeb.http_user2;

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
    if (confEncryptionEnabled)
      json["httpP2"] = XORENC(confWeb.http_pass2, encKey);
    else
      json["httpP2"] = confWeb.http_pass2;
#else
    json["httpP2"] = confWeb.http_pass2;
#endif

    if (confWeb.wConsole)
      json["wConsole"] = 1;
    else
      json["wConsole"] = 0;

    if (confWeb.wsConsole)
      json["wsConsole"] = 1;
    else
      json["wsConsole"] = 0;

    yield();

    File configFile = SPIFFS.open(configFileName, "w");
    if (!configFile)
    {
      Serial.print("Failed to open file '");
      Serial.print(configFileName);
      Serial.println("' for writing");
      return false;
    }
    serializeJson(json, configFile);
    confWeb.wasChanged = false;
    return true;
  }
  else
    return false;
} // saveConfigWeb

boolean saveConfigMqtt()
{ // safeConfig
  if (confMqtt.wasChanged)
  {
    char configFileName[] = "/confMqtt.json";
    DynamicJsonDocument json(1050);

    if (confMqtt.mqtt_enable)
      json["mqttEnable"] = 1;
    else
      json["mqttEnable"] = 0;

    json["mqttHost"] = confMqtt.mqtt_server;
    json["mqttPort"] = confMqtt.mqtt_port;
    json["mqttUser"] = confMqtt.mqtt_user;

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
    if (confEncryptionEnabled)
      json["mqttPass"] = XORENC(confMqtt.mqtt_pass, encKey);
    else
      json["mqttPass"] = confMqtt.mqtt_pass;
#else
    json["mqttPass"] = confMqtt.mqtt_pass;
#endif

    json["inTop"] = confMqtt.mqtt_topic_in;
    json["outTop"] = confMqtt.mqtt_topic_out;

    if (confMqtt.mqtt_outRetain)
      json["outRet"] = 1;
    else
      json["outRet"] = 0;

    if (confMqtt.mqtt_outRetain_sensors)
      json["outRetSens"] = 1;
    else
      json["outRetSens"] = 0;

    json["outPubInt"] = confMqtt.mqtt_outPubInterval;
    json["outPubIntSens"] = confMqtt.mqtt_outPubInterval_sensors;

    json["willTop"] = confMqtt.mqtt_willTopic;
    json["willQos"] = confMqtt.mqtt_willQos;

    if (confMqtt.mqtt_willRetain)
      json["willRet"] = 1;
    else
      json["willRet"] = 0;

    json["willMsg"] = confMqtt.mqtt_willMsg;
    json["connMsg"] = confMqtt.mqtt_connMsg;

    if (confMqtt.mqtt_enable_heartbeat)
      json["hbEnable"] = 1;
    else
      json["hbEnable"] = 0;

    json["hbReconn"] = confMqtt.mqtt_heartbeat_maxage_reconnect / 60000;
    json["hbReboot"] = confMqtt.mqtt_heartbeat_maxage_reboot / 60000;

    yield();

    File configFile = SPIFFS.open(configFileName, "w");
    if (!configFile)
    {
      Serial.print("Failed to open file '");
      Serial.print(configFileName);
      Serial.println("' for writing");
      return false;
    }
    serializeJson(json, configFile);
    confMqtt.wasChanged = false;
    return true;
  }
  else
    return false;
} // saveConfigMqtt

boolean saveConfigDevWiFi()
{ // saveConfig
  if (confDevWiFi.wasChanged)
  {
    char configFileName[] = "/confDevWiFi.json";
    DynamicJsonDocument json(1050);

    json["devName"] = confDevWiFi.deviceName;
    json["hostName"] = confDevWiFi.hostName;
    json["SSID1"] = confDevWiFi.WiFiSSID1;

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
    if (confEncryptionEnabled)
      json["WPW1"] = XORENC(confDevWiFi.WiFiPW1, encKey);
    else
      json["WPW1"] = confDevWiFi.WiFiPW1;
#else
    json["WPW1"] = confDevWiFi.WiFiPW1;
#endif

    json["SSID2"] = confDevWiFi.WiFiSSID2;

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
    if (confEncryptionEnabled)
      json["WPW2"] = XORENC(confDevWiFi.WiFiPW2, encKey);
    else
      json["WPW2"] = confDevWiFi.WiFiPW2;
#else
    json["WPW2"] = confDevWiFi.WiFiPW2;
#endif

#ifdef ENABLE_FEATURE_PW_ENCRYPTION
    if (confEncryptionEnabled)
      json["WPWAP"] = XORENC(confDevWiFi.WiFiAPModePassword, encKey);
    else
      json["WPWAP"] = confDevWiFi.WiFiAPModePassword;
#else
    json["WPWAP"] = confDevWiFi.WiFiAPModePassword;
#endif

    json["WAPtout"] = confDevWiFi.WiFiAPModeTimeout;
    json["WConnCheck"] = confDevWiFi.WiFiConnCheckInterval;
    json["Wretry"] = confDevWiFi.WiFiRetryInterval;
    json["Wreboot"] = confDevWiFi.WiFiRebootOnNoConnect;

    yield();

    File configFile = SPIFFS.open(configFileName, "w");
    if (!configFile)
    {
      Serial.print("Failed to open file '");
      Serial.print(configFileName);
      Serial.println("' for writing");
      return false;
    }
    serializeJson(json, configFile);
    confDevWiFi.wasChanged = false;
    return true;
  }
  else
    return false;
} // saveConfigDevWiFi

boolean saveConfigBas()
{ // safeConfig
  if (confBas.wasChanged)
  {
    char configFileName[] = "/confBas.json";
    DynamicJsonDocument json(1050);

    if (confBas.autoSaveSetTemp)
      json["autoSaveTemp"] = 1;
    else
      json["autoSaveTemp"] = 0;

    if (confBas.autoSaveHeatingMode)
      json["autoSaveMode"] = 1;
    else
      json["autoSaveMode"] = 0;

    if (confBas.saveToMqttRetained)
      json["saveToMqttRet"] = 1;
    else
      json["saveToMqttRet"] = 0;

    json["tempMin"] = confBas.setTempMin;
    json["tempMax"] = confBas.setTempMax;
    json["measInt"] = confBas.measureInterval;
    json["dispInt"] = confBas.displayInterval;
    json["dispTout"] = confBas.displayTimeout;

    if (confBas.PIR_enablesDisplay)
      json["PIRenDisp"] = 1;
    else
      json["PIRenDisp"] = 0;

    if (confBas.PIR_enablesDisplay_preset0only)
      json["PIRenDispPs0"] = 1;
    else
      json["PIRenDispPs0"] = 0;

    if (confBas.togglingTempHumAIDisplay)
      json["togTHdisp"] = 1;
    else
      json["togTHdisp"] = 0;

    yield();

    File configFile = SPIFFS.open(configFileName, "w");
    if (!configFile)
    {
      Serial.print("Failed to open file '");
      Serial.print(configFileName);
      Serial.println("' for writing");
      return false;
    }
    serializeJson(json, configFile);
    confBas.wasChanged = false;
    return true;
  }
  else
    return false;
} // saveConfigBas

boolean saveConfigAdv()
{ // safeConfig
  if (confAdv.wasChanged)
  {
    char configFileName[] = "/confAdv.json";
    DynamicJsonDocument json(1050);

    json["hyst"] = confAdv.hysteresis;
    json["minOffTime"] = confAdv.heatingMinOffTime;
    json["tempCorr"] = confAdv.tempCorrVal;
    json["humCorr"] = confAdv.humCorrVal;
    json["tempDec"] = confAdv.setTempDecreaseVal;
    json["offMsg"] = confAdv.offMessage;
    json["iTempLab"] = confAdv.iTempLabel;
    json["oTempLab"] = confAdv.oTempLabel;
    json["modeName0"] = confAdv.modeName0;
    json["modeName1"] = confAdv.modeName1;
    json["psetName0"] = confAdv.psetName0;
    json["psetName1"] = confAdv.psetName1;
    json["psetName2"] = confAdv.psetName2;

    yield();

    File configFile = SPIFFS.open(configFileName, "w");
    if (!configFile)
    {
      Serial.print("Failed to open file '");
      Serial.print(configFileName);
      Serial.println("' for writing");
      return false;
    }
    serializeJson(json, configFile);
    confAdv.wasChanged = false;
    return true;
  }
  else
    return false;
} // saveConfigAdv

boolean saveConfigAdd()
{ // safeConfig
  if (confAdd.wasChanged)
  {
    char configFileName[] = "/confAdd.json";
    DynamicJsonDocument json(1050);

    json["PIRTop"] = confAdd.mqtt_topic_pir;
    json["PIROnPld"] = confAdd.mqtt_payload_pir_on;
    json["PIROffPld"] = confAdd.mqtt_payload_pir_off;
    json["outTempTop"] = confAdd.outTemp_topic_in;
    json["outHumTop"] = confAdd.outHum_topic_in;

    yield();

    File configFile = SPIFFS.open(configFileName, "w");
    if (!configFile)
    {
      Serial.print("Failed to open file '");
      Serial.print(configFileName);
      Serial.println("' for writing");
      return false;
    }
    serializeJson(json, configFile);
    confAdd.wasChanged = false;
    return true;
  }
  else
    return false;
} // saveConfigAdd

#ifdef ENABLE_FEATURE_NTP_TIME
boolean saveConfigTime()
{
  if (confTime.wasChanged)
  {
    char configFileName[] = "/confTime.json";
    DynamicJsonDocument json(1050);

    if (confTime.ntpEnable)
      json["NTPEnable"] = 1;
    else
      json["NTPEnable"] = 0;

    json["NTPServer1"] = confTime.ntpServer1;
    json["NTPServer2"] = confTime.ntpServer2;
    json["NTPSyncInt"] = confTime.ntpSyncInterval / 60;
    json["TZstr"] = confTime.timeZoneStr;

    yield();

    File configFile = SPIFFS.open(configFileName, "w");
    if (!configFile)
    {
      Serial.print("Failed to open file '");
      Serial.print(configFileName);
      Serial.println("' for writing");
      return false;
    }
    serializeJson(json, configFile);
    confTime.wasChanged = false;
    return true;
  }
  else
    return false;
} // saveConfigTime
#endif

boolean saveConfigLog()
{
  if (confLog.wasChanged)
  {
    char configFileName[] = "/confLog.json";
    DynamicJsonDocument json(1050);

    //if(confTime.ntpEnable) json["NTPEnable"] = 1;
    //else json["NTPEnable"] = 0;

    json["logLevSer"] = confLog.logLevelSerial;
    json["logLevWeb"] = confLog.logLevelWeb;
    json["logLevMqtt"] = confLog.logLevelMqtt;

    if (confLog.logWebRequests)
      json["logWebRequests"] = 1;
    else
      json["logWebRequests"] = 0;

    yield();

    File configFile = SPIFFS.open(configFileName, "w");
    if (!configFile)
    {
      Serial.print("Failed to open file '");
      Serial.print(configFileName);
      Serial.println("' for writing");
      return false;
    }
    serializeJson(json, configFile);
    confLog.wasChanged = false;
    return true;
  }
  else
    return false;
} // saveConfigLog

boolean saveSetTemp()
{ // saveSetTemp
  File configFile = SPIFFS.open("/setTemp", "w");
  if (!configFile)
  {
    sendLog(F("Failed to write file /setTemp"), LOGLEVEL_ERROR);
    return false;
  }
  configFile.println(setTemp);
  configFile.close();
  setTempSaved = setTemp;
  return true;
} // saveSetTemp

boolean saveSetTempLow()
{ // saveSetTempLow
  File configFile = SPIFFS.open("/setTempLow", "w");
  if (!configFile)
  {
    sendLog(F("Failed to write file /setTempLow"), LOGLEVEL_ERROR);
    return false;
  }
  configFile.println(setTempLow);
  configFile.close();
  setTempLowSaved = setTempLow;
  return true;
} // saveSetTempLow

boolean saveSetTempLow2()
{ // saveSetTempLow
  File configFile = SPIFFS.open("/setTempLow2", "w");
  if (!configFile)
  {
    sendLog(F("Failed to write file setTempLow2"), LOGLEVEL_ERROR);
    return false;
  }
  configFile.println(setTempLow2);
  configFile.close();
  setTempLow2Saved = setTempLow2;
  return true;
} // saveSetTempLow

boolean saveHeatingMode()
{ // saveHeatingMode
  File configFile = SPIFFS.open("/heatingMode", "w");
  if (!configFile)
  {
    sendLog(F("Failed to write file /heatingMode"), LOGLEVEL_ERROR);
    return false;
  }
  configFile.println(heatingMode);
  configFile.close();
  heatingModeSaved = heatingMode;
  return true;
} // saveHeatingMode

boolean savePreset()
{ // savePreset
  File configFile = SPIFFS.open("/preset", "w");
  if (!configFile)
  {
    sendLog(F("Failed to write file /preset"), LOGLEVEL_ERROR);
    return false;
  }
  configFile.println(preset);
  configFile.close();
  presetSaved = preset;
  return true;
} // savePreset

void deleteConfig()
{
  sendLog(F("deleting configuration..."));
  SPIFFS_format();
  delay(100);
  ESP.restart();
}

void loadConf_all()
{
  sendLog("CONF: loading configurations...");
  loadConfigDevWiFi();
  loadConfigWeb();
  loadConfigMqtt();
  loadConfigBas();
  loadConfigAdv();
  loadConfigAdd();
#ifdef ENABLE_FEATURE_NTP_TIME
  loadConfigTime();
#endif
  loadConfigLog();
  sendLog("CONF: done.");
}

void saveConfig_all()
{
  if(confCheckUnsaved()) {
  sendLog(F("CONF: saving..."));
  saveConfigDevWiFi();
  yield();
  saveConfigWeb();
  yield();
  saveConfigMqtt();
  yield();
  saveConfigBas();
  yield();
  saveConfigAdv();
  yield();
  saveConfigAdd();
  yield();
#ifdef ENABLE_FEATURE_NTP_TIME
  saveConfigTime();
  yield();
#endif
  saveConfigLog();
  yield();
  sendLog(F("CONF: saving to SPIFFS DONE"));
  }
  else sendLog(F("CONF: nothing changed."));
}

void loadSavedValues()
{
  loadSetTemp();
  loadSetTempLow();
  loadSetTempLow2();
  loadHeatingMode();
  loadPreset();
}

void saveValues()
{
  sendLog(F("saving values..."));
  saveSetTemp();
  yield();
  saveSetTempLow();
  yield();
  saveSetTempLow2();
  yield();
  saveHeatingMode();
  yield();
  sendLog(F("saved values to SPIFFS - DONE"));
}

void SPIFFS_format()
{
  sendLog(F("formatting SPIFFS, please wait 30 secs"));
  SPIFFS.format();
  sendLog(F("SPIFFS formatted"));

  File f = SPIFFS.open("/formatted", "w");
  if (!f)
  {
    sendLog(F("creating file '/formatted' failed"));
  }
  else
  {
    f.println(F("Format Complete"));
  }
  f.close();
}

void SPIFFS_formatIfIsnt()
{
  if (!SPIFFS.exists("/formatted"))
  {
    SPIFFS_format();
  }
  // else
  //{
  //  if (serialdebug)
  //    Serial.println(F("SPIFFS is formatted. Moving along..."));
  //}
}

void SPIFFS_listFiles()
{
  //Serial.println(F("files in SPIFFS:"));
  sendLog(F("ls SPIFFS:"));
  Dir dir = SPIFFS.openDir("/");
  while (dir.next())
  {
    //Serial.print(dir.fileName());
    File f = dir.openFile("r");
    //Serial.print("  ");
    //Serial.println(f.size());
    char buf[101];
    sprintf(buf, "  %s    %d", dir.fileName().c_str(), f.size());
    sendLog(buf);
    f.close();
  }
  sendLog(F("--------"));
  //Serial.println(F("----"));
}

void loadConf_defaults()
{
  // set initial deviceName
  createDeviceName();

  // confDevWiFi
  // strlcpy(deviceName, DEVICE_NAME, sizeof(deviceName)); // now done via createDeviceName()
  strlcpy(confDevWiFi.hostName, confDevWiFi.deviceName, sizeof(confDevWiFi.hostName)); // copy deviceName to hostName as initial value
  strlcpy(confDevWiFi.WiFiAPModePassword, DEFAULT_WIFI_APMODE_PASSWORD, sizeof(confDevWiFi.WiFiAPModePassword));
  confDevWiFi.WiFiAPModeTimeout = DEFAULT_WIFI_APMODE_TIMEOUT;
  confDevWiFi.WiFiRetryInterval = DEFAULT_WIFI_RETRY_INTERVAL;
  confDevWiFi.WiFiConnCheckInterval = DEFAULT_WIFI_CONNCHECK_INTERVAL;
  confDevWiFi.WiFiRebootOnNoConnect = DEFAULT_WIFI_REBOOT_ONNOCONNECT;
  confDevWiFi.wasChanged = false;

  // confWeb
  strlcpy(confWeb.http_token, HTTP_SET_TOKEN, sizeof(confWeb.http_token));
  strlcpy(confWeb.http_user, DEFAULT_HTTP_USER, sizeof(confWeb.http_user));
  strlcpy(confWeb.http_pass, DEFAULT_HTTP_PASS, sizeof(confWeb.http_pass));
  confWeb.http_user_auth = DEFAULT_HTTP_USER_AUTH;
  confWeb.wasChanged = false;

  // confMqtt
  confMqtt.mqtt_enable = MQTT_ENABLE;
  strlcpy(confMqtt.mqtt_server, MQTT_SERVER, sizeof(confMqtt.mqtt_server));
  confMqtt.mqtt_port = MQTT_PORT;
  strlcpy(confMqtt.mqtt_user, MQTT_USER, sizeof(confMqtt.mqtt_user));
  strlcpy(confMqtt.mqtt_pass, MQTT_PASS, sizeof(confMqtt.mqtt_pass));
  strlcpy(confMqtt.mqtt_topic_in, MQTT_TOPIC_IN, sizeof(confMqtt.mqtt_topic_in));
  strlcpy(confMqtt.mqtt_topic_out, MQTT_TOPIC_OUT, sizeof(confMqtt.mqtt_topic_out));
  strlcpy(confMqtt.mqtt_willTopic, MQTT_WILLTOPIC, sizeof(confMqtt.mqtt_willTopic));
  confMqtt.mqtt_willQos = MQTT_WILLQOS;
  confMqtt.mqtt_willRetain = MQTT_WILLRETAIN;
  strlcpy(confMqtt.mqtt_willMsg, MQTT_WILLMSG, sizeof(confMqtt.mqtt_willMsg));
  strlcpy(confMqtt.mqtt_connMsg, MQTT_CONNMSG, sizeof(confMqtt.mqtt_connMsg));
  confMqtt.mqtt_outRetain = MQTT_OUT_RETAIN;
  confMqtt.mqtt_outRetain_sensors = MQTT_OUT_RETAIN_SENSORS;
  confMqtt.mqtt_enable_heartbeat = MQTT_ENABLE_HEARTBEAT;
  confMqtt.mqtt_heartbeat_maxage_reconnect = MQTT_HEARTBEAT_MAXAGE;
  confMqtt.mqtt_heartbeat_maxage_reboot = MQTT_HEARTBEAT_MAXAGE_REBOOT;
  confMqtt.wasChanged = false;

  // confBas
  confBas.setTempMin = DEFAULT_SETTEMP_MIN;
  confBas.setTempMax = DEFAULT_SETTEMP_MAX;
  confBas.autoSaveSetTemp = AUTOSAVE_SETTEMP;
  confBas.autoSaveHeatingMode = AUTOSAVE_SETMODE;
  confBas.saveToMqttRetained = SAVE_TO_MQTT_RETAINED;
  confBas.measureInterval = DEFAULT_MEASURE_INTERVAL;
  confBas.displayInterval = DEFAULT_DISPLAY_INTERVAL;
  confBas.displayTimeout = DEFAULT_DISPLAY_TIMEOUT;
  confBas.PIR_enablesDisplay = DEFAULT_PIR_ENABLES_DISPLAY;
  confBas.PIR_enablesDisplay_preset0only = DEFAULT_PIR_ENABLES_DISPLAY_PRESET0_ONLY;
  confBas.togglingTempHumAIDisplay = DEFAULT_TOGGLING_I_O_TEMPHUM;
  confBas.wasChanged = false;

  // confAdv
  confAdv.hysteresis = DEFAULT_HYSTERESIS;
  confAdv.heatingMinOffTime = DEFAULT_HEATING_MIN_OFFTIME;
  confAdv.tempCorrVal = TEMPSENSOR_CORRECTION_VALUE;
  confAdv.humCorrVal = HUMSENSOR_CORRECTION_VALUE;
  confAdv.setTempDecreaseVal = SETTEMP_DECREASE_VALUE;
  strlcpy(confAdv.offMessage, OFF_MESSAGE, sizeof(confAdv.offMessage));
  strlcpy(confAdv.iTempLabel, INSIDE_TEMP_LABEL, sizeof(confAdv.iTempLabel));
  strlcpy(confAdv.oTempLabel, OUTSIDE_TEMP_LABEL, sizeof(confAdv.oTempLabel));
  strlcpy(confAdv.modeName0, MODE_NAME_0, sizeof(confAdv.modeName0));
  strlcpy(confAdv.modeName1, MODE_NAME_1, sizeof(confAdv.modeName1));
  strlcpy(confAdv.psetName0, PRESET_NAME_0, sizeof(confAdv.psetName0));
  strlcpy(confAdv.psetName1, PRESET_NAME_1, sizeof(confAdv.psetName1));
  strlcpy(confAdv.psetName2, PRESET_NAME_2, sizeof(confAdv.psetName2));
  confAdv.wasChanged = false;

  // confAdd
  strlcpy(confAdd.mqtt_topic_pir, MQTT_TOPIC_PIR, sizeof(confAdd.mqtt_topic_pir));
  strlcpy(confAdd.mqtt_payload_pir_on, MQTT_TOPIC_PIR_ON, sizeof(confAdd.mqtt_payload_pir_on));
  strlcpy(confAdd.mqtt_payload_pir_off, MQTT_TOPIC_PIR_OFF, sizeof(confAdd.mqtt_payload_pir_off));
  strlcpy(confAdd.outTemp_topic_in, OUTTEMP_TOPIC_IN, sizeof(confAdd.outTemp_topic_in));
  strlcpy(confAdd.outHum_topic_in, OUTHUM_TOPIC_IN, sizeof(confAdd.outHum_topic_in));
  confAdd.wasChanged = false;

// confTime
#ifdef ENABLE_FEATURE_NTP_TIME
  confTime.ntpEnable = DEFAULT_NTP_ENABLED;
  strlcpy(confTime.timeZoneStr, DEFAULT_TIMEZONE, sizeof(confTime.timeZoneStr));
  strlcpy(confTime.ntpServer1, DEFAULT_NTP_SERVER, sizeof(confTime.ntpServer1));
  confTime.ntpSyncInterval = DEFAULT_NTP_SYNC_INTERVAL;
  confTime.wasChanged = false;
#endif

  // confLog
  confLog.logLevelSerial = DEFAULT_LOGLEVEL_SERIAL;
  confLog.logLevelWeb = DEFAULT_LOGLEVEL_WEB;
  confLog.logLevelMqtt = DEFAULT_LOGLEVEL_MQTT;
  confLog.logLevelSyslog = DEFAULT_LOGLEVEL_SYSLOG;
  confLog.wasChanged = false;
}

void loadConf_restoreDefaultWhenMissing()
{
  if (strlen(confDevWiFi.deviceName) < 4)
    createDeviceName();

  if (strlen(confDevWiFi.hostName) < 4)
    strlcpy(confDevWiFi.hostName, confDevWiFi.deviceName, sizeof(confDevWiFi.hostName));

  if (confAdv.modeName0[0] == '\0')
    strlcpy(confAdv.modeName0, MODE_NAME_0, sizeof(confAdv.modeName0));
  if (confAdv.modeName1[0] == '\0')
    strlcpy(confAdv.modeName1, MODE_NAME_1, sizeof(confAdv.modeName1));
  if (confAdv.psetName0[0] == '\0')
    strlcpy(confAdv.psetName0, PRESET_NAME_0, sizeof(confAdv.psetName0));
  if (confAdv.psetName1[0] == '\0')
    strlcpy(confAdv.psetName1, PRESET_NAME_1, sizeof(confAdv.psetName1));
  if (confAdv.psetName2[0] == '\0')
    strlcpy(confAdv.psetName2, PRESET_NAME_2, sizeof(confAdv.psetName2));
  if (confAdv.iTempLabel[0] == '\0')
    strlcpy(confAdv.iTempLabel, INSIDE_TEMP_LABEL, sizeof(confAdv.iTempLabel));
  if (confAdv.oTempLabel[0] == '\0')
    strlcpy(confAdv.oTempLabel, OUTSIDE_TEMP_LABEL, sizeof(confAdv.oTempLabel));

  if (confDevWiFi.WiFiConnCheckInterval == 0)
    confDevWiFi.WiFiConnCheckInterval = DEFAULT_WIFI_CONNCHECK_INTERVAL;

//NTP
#ifdef ENABLE_FEATURE_NTP_TIME
  if (confTime.ntpEnable && strlen(confTime.ntpServer1) == 0)
    strlcpy(confTime.ntpServer1, DEFAULT_NTP_SERVER, sizeof(confTime.ntpServer1));
  if (confTime.ntpEnable && strlen(confTime.timeZoneStr) == 0)
    strlcpy(confTime.timeZoneStr, DEFAULT_TIMEZONE, sizeof(confTime.timeZoneStr));
#endif
}

void confClearCredentials()
{
  strcpy(confWeb.http_token, "");
  strcpy(confWeb.http_pass, "");
  strcpy(confWeb.http_pass1, "");
  strcpy(confWeb.http_pass2, "");
  saveConfigWeb();
  strcpy(confMqtt.mqtt_pass, "");
  saveConfigMqtt();
  sendLog(F("CONF: cleared credentials"));
}

void confClearWiFiCredentials()
{
  strcpy(confDevWiFi.WiFiPW1, "");
  strcpy(confDevWiFi.WiFiPW2, "");
  strcpy(confDevWiFi.WiFiAPModePassword, "");
  saveConfigDevWiFi();
  sendLog(F("CONF: cleared WiFi credentials"));
}

bool confCheckEncrypted()
{
  if (SPIFFS.exists("/isEncrypted"))
  {
    confEncryptionEnabled = true;
    sendLog("CONF: is encrypted");
    return true;
  }
  else
  {
    confEncryptionEnabled = false;
    sendLog("CONF: is NOT encrypted");
    return false;
  }
}

void confEncrypt()
{
  if (!confCheckEncrypted())
  {
    sendLog(F("CONF: encrypting config..."));
    confEncryptionEnabled = true;
    saveConfig_all();
    File configFile = SPIFFS.open("/isEncrypted", "w");
    configFile.close();
    sendLog(F("CONF: config encryption DONE"));
  }
  else
  {
    sendLog(F("CONF: already encrypted."));
  }
}

void confDecrypt()
{
  if (confCheckEncrypted())
  {
    sendLog(F("CONF: decrypting config..."));
    confEncryptionEnabled = false;
    confClearCredentials();
    confClearWiFiCredentials();
    SPIFFS.remove("/isEncrypted");
    sendLog(F("CONF: config decrypted. all credentials were deleted. please re-enter WiFi credentials before reboot!"));
  }
  else
  {
    sendLog(F("CONF: config is not encrypted."));
  }
}

bool confCheckUnsaved()
{
  bool confChanged = false;
  if (confDevWiFi.wasChanged)
    confChanged = true;
  if (confWeb.wasChanged)
    confChanged = true;
  if (confMqtt.wasChanged)
    confChanged = true;
  if (confBas.wasChanged)
    confChanged = true;
  if (confAdv.wasChanged)
    confChanged = true;
  if (confAdd.wasChanged)
    confChanged = true;
  if (confTime.wasChanged)
    confChanged = true;
  if (confLog.wasChanged)
    confChanged = true;
  return confChanged;
}

void confChangedLogNote(bool force = false)
{
  if (confCheckUnsaved() && (force || (!lastConfigChangeNoteAlreadyDone && (millis() - lastConfigChange) > 5000)))
  {
    sendLog(F("NOTE: pending config changes. Execute 'saveconf' to save or 'loadconf' to discard."));
    confMqttConnResetRequiredLogNote();
    confRestartRequiredLogNote();
    lastConfigChangeNoteAlreadyDone = true;
  }
  if(force) {
    confMqttConnResetRequiredLogNote();
    confRestartRequiredLogNote();
  }
}

void confRestartRequiredLogNote()
{
  if (configChangedRestartRequired)
    sendLog(F("NOTE: config changes require restart. Remember 'saveconf' before!"));
}

void confMqttConnResetRequiredLogNote()
{
  if (configChangedMqttConnResetRequired)
    sendLog(F("NOTE: MQTT config changes require connection reset -> will be done automatically on 'saveconf'."));
}