UARTControlStream.java example

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/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved.             *
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*    derived from this software without specific prior written permission.*
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/*
** $Id: UARTControlStream.java,v 1.1.1.1 2004/07/12 14:07:48 cvs Exp $
*/

package com.acunia.device.uart;

import javax.comm.SerialPort;
import javax.comm.SerialPortEvent;

import java.io.IOException;

public class UARTControlStream {

  private native void createFromString(String path)
    throws SecurityException, IOException;

  public UARTControlStream(String name) throws IOException {
  // TODO: security check?
    createFromString(name);
  }

  public synchronized native int getbaudrate();

  public synchronized native int setbaudrate(int newrate);

  public synchronized native int getstopbits();

  public synchronized native int setstopbits(int newbits);

  public synchronized native int getdatabits();

  public synchronized native int setdatabits(int newbits);

  public synchronized native int getflowcontrol();

  public synchronized native int setflowcontrol(int newflowcon);

  public synchronized native int getparity();

  public synchronized native int setparity(int newparity);

  public synchronized native boolean getdsr();

  public synchronized native boolean getcd();

  public synchronized native boolean getcts();

  public synchronized native boolean getri();

  public synchronized native boolean setdtr(boolean newval);

  public synchronized native boolean setrts(boolean newval);

  public synchronized native void sendbreak(int millis);

  private native void waitforevent(SerialPortEvent e);

  public SerialPortEvent getevent(SerialPort port) {
    SerialPortEvent e = new SerialPortEvent(port);

    this.waitforevent(e);

    return e;
  }

  public synchronized native void close();

  /*
  ** If we are garbage-collected, make sure our run() method also terminates.
  ** (Do we need to do this?)
  */
  protected void finalize() {
    close();
  }

}