/** * Opening Connection to the serial port.first check whether port is open if not create new * connection to the port. */ private void openConnection() { try { if (connection.isOpen()) { System.out.println("Port Open!,Can't open a new connection while a port is open."); ezlink.info("Port Open!,Can't open a new connection while a port is open : "); } connection.openConnection(); } catch (SerialConnectionException e2) { System.out.println(e2); ezlink.error(new Object(), e2); } }