                pinModeDecoder(sval,&rtsActive,&rtsInactive,DEFAULT_RTS_HIGH,DEFAULT_RTS_LOW);
                if(pinSupport[pinRTS])
                {
-#ifdef ZIMODEM_ESP32
                  serial.setFlowControlType(serial.getFlowControlType());
-#endif
                  s_pinWrite(pinRTS,rtsActive);
                }
                result=ZOK;

               {
                 pinRTS=sval;
                 pinMode(pinRTS,OUTPUT);
#ifdef ZIMODEM_ESP32
                 serial.setFlowControlType(serial.getFlowControlType());
#endif
                 s_pinWrite(pinRTS,rtsActive);
                 result=ZOK;
               }

        case 'u':
          result=doUpdateFirmware(vval,vbuf,vlen,isNumber);
          break;
        //TODO: host name cmd here somewhere...
        default:
          result=ZERROR;
          break;
