} catch (NumberFormatException ex){
intervalo = DEFAULT_INTERVAL;
}
if (threadReceptora == null){
threadReceptora = new ThreadReceptoraTinyOS(/*infoSessao,*/ this);
threadReceptora.addPropertyChangeListener( this );
if (threadReceptora.run(file, "serial@"+txtPortaSerial.getText()+":telosb", intervalo))
threadReceptora.startListening(file, intervalo, chkMagEnabled.isSelected());
}else{
threadReceptora.startListening(file, intervalo, chkMagEnabled.isSelected());