Examples of javax.comm.CommPortIdentifier

javax.comm.CommPortIdentifier
Communications port management. CommPortIdentifier is the central class for controlling access to communications ports. It includes methods for:
- Determining the communications ports made available by the driver.
- Opening communications ports for I/O operations.
- Determining port ownership.
- Resolving port ownership contention.
- Managing events that indicate changes in port ownership status.
An application first uses methods in CommPortIdentifier to negotiate with the driver to discover which communication ports are available and then select a port for opening. It then uses methods in other classes like CommPort, ParallelPort and SerialPort to communicate through the port. @author Jagane Sundar @version 1.11, 23 Jan 1998 @see javax.comm.CommPort @see javax.comm.CommPortOwnershipListener @see javax.comm.ParallelPort @see javax.comm.SerialPort

  public SerialConnection(String aPort) throws SerialServerException {
    if (SerialServerProperties.getInstance().getDebugLevel() > 2) {
      debug = true;
    }
    Enumeration portList = CommPortIdentifier.getPortIdentifiers();
    CommPortIdentifier portId = null;
    while (portList.hasMoreElements()) {
      portId = (CommPortIdentifier) portList.nextElement();
      if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL &&
        portId.getName().equals(aPort)) {
        break;
      }
    }
    
    try {
      serialPort = (SerialPort) portId.open("SerialConnection", 2000);
      outputStream = serialPort.getOutputStream();
      inputStream = serialPort.getInputStream();
      serialPort.setSerialPortParams(9600, 
          SerialPort.DATABITS_8, 
          SerialPort.STOPBITS_2,

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     * @throws UnsupportedCommOperationException
     * @throws PortInUseException
     */
    public UARTTransport(String commPortName) throws HCIException {
        try {
            CommPortIdentifier commPort = CommPortIdentifier.getPortIdentifier(commPortName);
            if (commPort.getPortType() != CommPortIdentifier.PORT_SERIAL)
                throw new HCIException(commPortName + " is not a serial port. ");
            SerialPort serial = (SerialPort)commPort.open("Bluetooth", 10000);
            serial.setSerialPortParams(115200, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
            inStream = serial.getInputStream();
            outStream = serial.getOutputStream();
            readBuffer = new byte[32];
            serial.addEventListener(this);

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        // Enumerate the available ports.
        Enumeration ports = CommPortIdentifier.getPortIdentifiers();
        String defaultChoice = null;


        while (ports.hasMoreElements()) {
            CommPortIdentifier identifier = (CommPortIdentifier) ports
                    .nextElement();


            if (identifier.getPortType() == CommPortIdentifier.PORT_SERIAL) {
                String value = identifier.getName();
                serialPortName.addChoice(value);


                if (defaultChoice == null) {
                    defaultChoice = value;
                }

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        super.preinitialize();
        _directorFiredAtAlready = false;


        try {
            String serialPortNameValue = serialPortName.stringValue();
            CommPortIdentifier portID = CommPortIdentifier
                    .getPortIdentifier(serialPortNameValue);
            synchronized (PortListener.class) {
                if (_serialPort == null
                        || !toplevel().getName().equals(
                                portID.getCurrentOwner())) {
                    // NOTE: Do not do this in a static initializer so that
                    // we don't initialize the port if there is no actor using it.
                    // This is synchronized on the SerialComm class to prevent multiple actors
                    // from trying to do this simultaneously.
                    _serialPort = (SerialPort) portID.open(
                            toplevel().getName(), 2000);
                    if (_serialPortListener == null) {
                        // This should only be done once.
                        _serialPortListener = new PortListener();
                    }

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  }


  public static void main(String[] args)
  {
    Enumeration     ports;
    CommPortIdentifier  portId;
    boolean      allPorts = true,
          lineMonitor = false;
    int      idx = 0;


    win = new BlackBox();
    win.setLayout(new FlowLayout());
    win.setBackground(Color.gray);


    portDisp = new SerialPortDisplay[40];


    while (args.length > idx)
    {
      if (args[idx].equals("-h"))
      {
        printUsage();
      }


      else if (args[idx].equals("-f"))
      {
        friendly = true;
  
        System.out.println("Friendly mode");
      }


      else if (args[idx].equals("-n"))
      {
        threaded = false;
  
        System.out.println("No threads");
      }


      else if (args[idx].equals("-l"))
      {
        lineMonitor = true;
  
        System.out.println("Line Monitor mode");
      }


      else if (args[idx].equals("-m"))
      {
        modemMode = true;
  
        System.out.println("Modem mode");
      }


      else if (args[idx].equals("-s"))
      {
        silentReceive = true;
  
        System.out.println("Silent Reciever");
      }


      else if (args[idx].equals("-d"))
      {
        idx++;
        rcvDelay = new Integer(args[idx]).intValue();
  
        System.out.println("Receive delay = "
              + rcvDelay + " msecs");
      }


      else if (args[idx].equals("-p"))
      {
        idx++;


        while (args.length > idx)
        {
          /*
           *  Get the specific port
           */
    
          try
          {
            portId = 
               CommPortIdentifier.getPortIdentifier(args[idx]);


            System.out.println("Opening port "
                  + portId.getName());
  
            win.addPort(portId);
          }
  
          catch (NoSuchPortException e)

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     *
     * @see
     */
    public static void main(String[] args) {
  Enumeration     ports;
  CommPortIdentifier portId;
  boolean       allPorts = true, lineMonitor = false;
  int       idx = 0;


  win = new ParallelBlackBox();


  win.setLayout(new FlowLayout());
  win.setBackground(Color.gray);


  portDisp = new ParallelPortDisplay[4];


  while (args.length > idx) {
      if (args[idx].equals("-h")) {
    printUsage();
      } else if (args[idx].equals("-f")) {
    friendly = true;


    System.out.println("Friendly mode");
      } else if (args[idx].equals("-n")) {
    threaded = false;


    System.out.println("No threads");
      } else if (args[idx].equals("-l")) {
    lineMonitor = true;


    System.out.println("Line Monitor mode");
      } else if (args[idx].equals("-d")) {
    idx++;
    rcvDelay = new Integer(args[idx]).intValue();


    System.out.println("Receive delay = " + rcvDelay + " msecs");
      } else if (args[idx].equals("-p")) {
    idx++;


    while (args.length > idx) {


        /*
         * Get the specific port
         */
        try {
      portId = 
          CommPortIdentifier.getPortIdentifier(args[idx]);


      System.out.println("Opening port " 
             + portId.getName());
      win.addPort(portId);
        } catch (NoSuchPortException e) {
      System.out.println("Port " + args[idx] 
             + " not found!");
        }

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  }


  public static void main(String[] args)
  {
    Enumeration     ports;
    CommPortIdentifier  portId;
    boolean      allPorts = true,
          lineMonitor = false;
    int      idx = 0;


    win = new ParallelBlackBox();
    win.setLayout(new FlowLayout());
    win.setBackground(Color.gray);


    portDisp = new ParallelPortDisplay[4];


    while (args.length > idx)
    {
      if (args[idx].equals("-h"))
      {
        printUsage();
      }


      else if (args[idx].equals("-f"))
      {
        friendly = true;
  
        System.out.println("Friendly mode");
      }


      else if (args[idx].equals("-n"))
      {
        threaded = false;
  
        System.out.println("No threads");
      }


      else if (args[idx].equals("-l"))
      {
        lineMonitor = true;
  
        System.out.println("Line Monitor mode");
      }


      else if (args[idx].equals("-d"))
      {
        idx++;
        rcvDelay = new Integer(args[idx]).intValue();
  
        System.out.println("Receive delay = "
              + rcvDelay + " msecs");
      }


      else if (args[idx].equals("-p"))
      {
        idx++;


        while (args.length > idx)
        {
          /*
           *  Get the specific port
           */
    
          try
          {
            portId = 
               CommPortIdentifier.getPortIdentifier(args[idx]);


            System.out.println("Opening port "
                  + portId.getName());
  
            win.addPort(portId);
          }
  
          catch (NoSuchPortException e)

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  }


  public static void main(String[] args)
  {
    Enumeration     ports;
    CommPortIdentifier  portId;
    boolean      allPorts = true,
          lineMonitor = false;
    int      idx = 0;


    win = new BlackBox();
    win.setLayout(new FlowLayout());
    win.setBackground(Color.gray);


    portDisp = new SerialPortDisplay[4];


    while (args.length > idx)
    {
      if (args[idx].equals("-h"))
      {
        printUsage();
      }


      else if (args[idx].equals("-f"))
      {
        friendly = true;
  
        System.out.println("Friendly mode");
      }


      else if (args[idx].equals("-n"))
      {
        threaded = false;
  
        System.out.println("No threads");
      }


      else if (args[idx].equals("-l"))
      {
        lineMonitor = true;
  
        System.out.println("Line Monitor mode");
      }


      else if (args[idx].equals("-m"))
      {
        modemMode = true;
  
        System.out.println("Modem mode");
      }


      else if (args[idx].equals("-s"))
      {
        silentReceive = true;
  
        System.out.println("Silent Reciever");
      }


      else if (args[idx].equals("-d"))
      {
        idx++;
        rcvDelay = new Integer(args[idx]).intValue();
  
        System.out.println("Receive delay = "
              + rcvDelay + " msecs");
      }


      else if (args[idx].equals("-p"))
      {
        idx++;


        while (args.length > idx)
        {
          /*
           *  Get the specific port
           */
    
          try
          {
            portId = 
               CommPortIdentifier.getPortIdentifier(args[idx]);


            System.out.println("Opening port "
                  + portId.getName());
  
            win.addPort(portId);
          }
  
          catch (NoSuchPortException e)

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      getContentPane().add("South", p2);
      resize(300, 100);
   }


   private boolean listPorts() {
      CommPortIdentifier defaultPort;
      try {
         defaultPort = CommPortIdentifier.getPortIdentifier(defaultPortName);
      } catch (NoSuchPortException e) {
         defaultPort = null;
      }
      Enumeration ports = defaultPort.getPortIdentifiers();
      String name;
      int added = 0;
      for (Enumeration e = ports; e.hasMoreElements();) {


         CommPortIdentifier portIdentifier = (CommPortIdentifier) e
               .nextElement();
         name = portIdentifier.getName();


         int type = portIdentifier.getPortType();


         // Can only use serial ports
         if (type != CommPortIdentifier.PORT_SERIAL) {
            System.out
                  .println("PortDialog.listenForPort() non serial com port, excluding it: "

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    */


   private SerialPort getOpenPort(String portName) {
      Object found = c_ports.get(portName);
      SerialPort port = null;
      CommPortIdentifier portId = null;
      try {
         portId = CommPortIdentifier.getPortIdentifier(portName);
      } catch (Exception e) {
      }
      if (found == null) {
         try {
            port = (SerialPort) portId.open("SerialPortConnection", 2000);
         } catch (PortInUseException e) {
            return null;
         }
         c_ports.put(portName, port);
      } else {

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