Arduino loop()

loop.c

void loop()
{
  if(locUpTime - generalTime > 3){
    int chk = DHT.read22(DHT11_PIN);
    dtostrf(DHT.temperature, 4,1,TemperatiraDHT);
    dtostrf(DHT.humidity, 4,1,Humidade);
    generalTime=locUpTime;
  }
  dtostrf(Termistor(), 4,1,TemperaturraTermistor);
  dtostrf(bitRead(PORTD,3), 2,0, Ar);
  dtostrf(bitRead(PORTD,4), 2,0,isPorta);
  sprintf(mensagem, "AR %s | PORTA %s" ,Ar, isPorta);
  Agentuino.listen();
  locUpTime = millis()/1000;
  dtostrf(locUpTime, 10,0,upTimeString);
  if(!digitalRead(BOTAO_PIN)){
    lcd.clear();
    MostrarNoLCD(tela);
    delay(500);
    tela++;
    if(tela>7) tela=1;
  }
}