   }
 #endif
 
-  if (machinestate == WAITINGFORCARD && millis()-laststatechange > 500)
+  if (machinestate == WAITINGFORCARD && millis() - laststatechange > 500)
     if (checkTagReader())
       machinestate = CHECKING;
 }


// Enduser visible Timeouts
//
const unsigned int   VACUUM_TO      = (5 * 1000); // 5 seconds extra vacuum on
const unsigned int   IDLE_TO        = (20 * 60 * 1000); // Auto disable/off after 20 minutes.
const unsigned int   CHECK_TO       = (3 * 1000); // Wait up to 3 second for result of card ok check.


}

const char * state2str(int state) {
#ifdef DEBUG
  switch (state) {
    case  /* -4 */ MQTT_CONNECTION_TIMEOUT:
      return "the server didn't respond within the keepalive time";
