/*-------------------------------------------------------------------------
| rxtx is a native interface to communication ports in java.
| Copyright 1997-2004 by Trent Jarvi taj@www.linux.org.uk
|
| This library is free software; you can redistribute it and/or
| modify it under the terms of the GNU Library General Public
| License as published by the Free Software Foundation; either
| version 2 of the License, or (at your option) any later version.
|
| This library is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
| Library General Public License for more details.
|
| You should have received a copy of the GNU Library General Public
| License along with this library; if not, write to the Free
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--------------------------------------------------------------------------*/
package gnu.io;
import java.io.*;
import java.util.*;
/**
* @author Trent Jarvi
* @version %I%, %G%
* @since JDK1.0
*/
public abstract class ParallelPort extends CommPort
{
public static final int LPT_MODE_ANY =0;
public static final int LPT_MODE_SPP =1;
public static final int LPT_MODE_PS2 =2;
public static final int LPT_MODE_EPP =3;
public static final int LPT_MODE_ECP =4;
public static final int LPT_MODE_NIBBLE=5;
public abstract int getMode();
public abstract int setMode(int mode)
throws UnsupportedCommOperationException;
public abstract void restart();
public abstract void suspend();
public abstract boolean isPaperOut();
public abstract boolean isPrinterBusy();
public abstract boolean isPrinterError();
public abstract boolean isPrinterSelected();
public abstract boolean isPrinterTimedOut();
public abstract int getOutputBufferFree();
public abstract void addEventListener( ParallelPortEventListener lsnr )
throws TooManyListenersException;
public abstract void removeEventListener();
public abstract void notifyOnError( boolean enable );
public abstract void notifyOnBuffer( boolean enable );
/*
public int PAR_EV_ERROR 1
public int PAR_EV_BUFFER 2
public ParallelPort(){}
private native static void Initialize();
public LPRPort( String name ) throws IOException;
private native int open( String name ) throws IOException;
private int fd;
private final ParallelOutputStream out = new ParallelOutputStream();
public OutputStream getOutputStream();
private final ParallelInputStream in = new ParallelInputStream();
public InputStream getInputStream();
private int lprmode=LPT_MODE_ANY;
public native boolean setLPRMode(int mode)
throws UnsupportedCommOperationException;
private int speed;
public int getBaudRate();
private int dataBits;
public int getDataBits();
private int stopBits;
public int getStopBits();
private int parity;
public int getParity();
private native void nativeClose();
public void close();
public void enableReceiveFraming( int f )
throws UnsupportedCommOperationException;
public void disableReceiveFraming() {}
public boolean isReceiveFramingEnabled();
public int getReceiveFramingByte();
private int timeout = 0;
public void enableReceiveTimeout( int t );
public void disableReceiveTimeout();
public boolean isReceiveTimeoutEnabled();
public int getReceiveTimeout();
private int threshold = 1;
public void enableReceiveThreshold( int t );
public void disableReceiveThreshold();
public int getReceiveThreshold();
public boolean isReceiveThresholdEnabled();
public native void setInputBufferSize( int size );
public native int getInputBufferSize();
public native void setOutputBufferSize( int size );
public Abstract int getOutputBufferSize();
private native void writeByte( int b ) throws IOException;
private native void writeArray( byte b[], int off, int len )
throws IOException;
private native void drain() throws IOException;
private native int nativeavailable() throws IOException;
private native int readByte() throws IOException;
private native int readArray( byte b[], int off, int len )
throws IOException;
private ParallelPortEventListener PPEventListener;
private MonitorThread monThread;
native void eventLoop();
void sendEvent( int event, boolean state );
protected void finalize();
*/
}