/*-------------------------------------------------------------------------
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| rxtx is a native interface to serial ports in java.
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| Copyright 1997-2004 by Trent Jarvi taj@parcelfarce.linux.theplanet.co.uk
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| This library is free software; you can redistribute it and/or
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| modify it under the terms of the GNU Library General Public
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| License as published by the Free Software Foundation; either
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| version 2 of the License, or (at your option) any later version.
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| This library is distributed in the hope that it will be useful,
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| but WITHOUT ANY WARRANTY; without even the implied warranty of
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| Library General Public License for more details.
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| You should have received a copy of the GNU Library General Public
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| License along with this library; if not, write to the Free
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| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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--------------------------------------------------------------------------*/
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/*
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test : TestMonitorThread
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Author : Trent Jarvi
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added : Sat Oct 13 17:45:31 MDT 2001
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Problem: Monitor Thread didnt go away in the past. This makes sure
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the thread does exit and is GC's. You can watch the threads
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in a native threads jvm with top.
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todo : There are still some issues with the way BlackBox open/closes
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the ports and the removal of the eventListener.
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*/
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import gnu.io.*;
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import java.util.*;
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public class TestMonitorThread implements SerialPortEventListener
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{
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public TestMonitorThread()
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{
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CommPortIdentifier cpi;
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Enumeration ports;
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SerialPort port = null;
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Date d = new Date();
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long result, t1 = d.getTime(), t2 = d.getTime();
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ports = CommPortIdentifier.getPortIdentifiers();
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while ( ports.hasMoreElements() )
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{
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cpi = (CommPortIdentifier) ports.nextElement();
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if ( cpi.getPortType() == CommPortIdentifier.PORT_SERIAL )
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{
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if ( cpi.getName().equals( "/dev/ttyS0" ) )
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{
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try {
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port = (SerialPort) cpi.open("TestMonitorThread", 2000);
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} catch (PortInUseException e) {}
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break;
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}
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}
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}
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for( int i=0;i<30;i++ )
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{
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try {
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port.addEventListener(this);
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} catch (TooManyListenersException e ) {
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e.printStackTrace();
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}
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t2 = new Date().getTime();
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port.removeEventListener();
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System.out.println( t2 - t1 );
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t1 = t2;
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}
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port.close();
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}
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public static void main( String[] args )
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{
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System.out.println(">my TestMonitorThread");
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TestMonitorThread thisTestMonitorThread = new TestMonitorThread();
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System.out.println("<my TestMonitorThread");
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}
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public void serialEvent(SerialPortEvent event)
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{
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switch (event.getEventType())
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{
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case SerialPortEvent.BI:
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case SerialPortEvent.OE:
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case SerialPortEvent.FE:
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case SerialPortEvent.PE:
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case SerialPortEvent.CD:
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case SerialPortEvent.CTS:
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case SerialPortEvent.DSR:
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case SerialPortEvent.RI:
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case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
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case SerialPortEvent.DATA_AVAILABLE:
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System.out.println("Event");
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break;
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}
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}
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}
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