/** Opens the Serial port with the baud and port_name given */
  public boolean OpenSerial(int baud, String port) {
    CommPortIdentifier portId = null;
    Enumeration portEnum = CommPortIdentifier.getPortIdentifiers();

    while (portEnum.hasMoreElements()) {
      CommPortIdentifier currPortId = (CommPortIdentifier) portEnum.nextElement();
      if (currPortId.getName().equals(port)) {
        portId = currPortId;
        break;
      }
    }

    if (portId == null) {
      System.err.println("Can not open serial port");
      return false;
    }

    try {
      serialPort = (SerialPort) portId.open(this.getClass().getName(), 2000);

      serialPort.setSerialPortParams(
          baud, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);

      input = serialPort.getInputStream();
      output = serialPort.getOutputStream();

      serialPort.addEventListener(this);
      serialPort.notifyOnDataAvailable(true);
      Thread.sleep(1500);
    } catch (Exception e) {
      return false;
    }

    return true;
  }
Ejemplo n.º 2
0
  /**
   * This creates an mbed object for an mbed connected over Serial. <br>
   * Using this class requires the Sun Communications API to be installed
   *
   * @param PortName The Serial Port mbed is connected to eg "COM5" on Windows.
   * @param Baud The baud rate
   */
  public SerialRPC(String PortName, int Baud) {
    // open serial port
    try {
      mbedPortID = CommPortIdentifier.getPortIdentifier(PortName);

      mbedPort = mbedPortID.open("mbed", 100000);
      mbedSerialPort = (SerialPort) mbedPort;
      mbedSerialPort.setSerialPortParams(
          Baud, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);

      inputStream = new DataInputStream(mbedPort.getInputStream());
      outputStream = new PrintStream(mbedPort.getOutputStream(), true);

      reader = new BufferedReader(new InputStreamReader(inputStream));
      to_mbed = new PrintWriter(outputStream, true);

      mbedSerialPort.addEventListener(this);
      // Important to set this regardless of whether interrupts are in use to keep the buffer clear
      mbedSerialPort.notifyOnDataAvailable(true);

    } catch (TooManyListenersException e) {
      // Error adding event listener
      System.out.println("Too many Event Listeners");
    } catch (NoSuchPortException e) {
      System.out.println("No Such Port");
    } catch (PortInUseException e) {
      System.out.println("Port Already In Use");
    } catch (UnsupportedCommOperationException e) {
      System.out.println("Unsupported Comm Operation");
    } catch (IOException e) {
      System.out.println("Serial Port IOException");
    }
  }
Ejemplo n.º 3
0
  // open a serial connection to a device.  We won't know it's the robot until
  public int OpenPort(String portName) {
    if (portOpened && portName.equals(recentPort)) return 0;

    ClosePort();

    Log("<font color='green'>Connecting to " + portName + "...</font>\n");

    // find the port
    try {
      portIdentifier = CommPortIdentifier.getPortIdentifier(portName);
    } catch (Exception e) {
      Log("<span style='color:red'>Ports could not be identified:" + e.getMessage() + "</span>\n");
      e.printStackTrace();
      return 1;
    }

    if (portIdentifier.isCurrentlyOwned()) {
      Log(
          "<span style='color:red'>Error: Another program is currently using this port."
              + "</span>\n");
      return 2;
    }

    // open the port
    try {
      commPort = portIdentifier.open("DrawbotGUI", 2000);
    } catch (Exception e) {
      Log("Port could not be opened:" + e.getMessage() + NL);
      e.printStackTrace();
      return 3;
    }

    if ((commPort instanceof SerialPort) == false) {
      Log("<span style='color:red'>Only serial ports are handled by this example." + "</span>\n");
      return 4;
    }

    // set the port parameters (like baud rate)
    serialPort = (SerialPort) commPort;
    try {
      serialPort.setSerialPortParams(
          BAUD_RATE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
    } catch (Exception e) {
      Log("<span style='color:red'>Port could not be configured:" + e.getMessage() + "</span>\n");
      return 5;
    }

    try {
      in = serialPort.getInputStream();
      out = serialPort.getOutputStream();
    } catch (Exception e) {
      Log("<span style='color:red'>Streams could not be opened:" + e.getMessage() + "</span>\n");
      return 6;
    }

    try {
      serialPort.addEventListener(this);
      serialPort.notifyOnDataAvailable(true);
    } catch (TooManyListenersException e) {
      Log("<span style='color:red'>Streams could not be opened:" + e.getMessage() + "</span>\n");
      return 7;
    }

    Log("<span style='green'>Opened.</span>\n");
    SetRecentPort(portName);
    portOpened = true;
    UpdateMenuBar();

    return 0;
  }