Ref.: Portas Seriais

void listPortChoices() {
            CommPortIdentifier portId;

            Enumeration en = CommPortIdentifier.getPortIdentifiers();

            // iterate through the ports.
            while (en.hasMoreElements()) {
                portId = (CommPortIdentifier) en.nextElement();
                if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
                	System.out.println(portId.getName());
                    //portChoice.addItem(portId.getName());
                }
            }
            portChoice.select(parameters.getPortName());
        }