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104 lines
3.0 KiB
104 lines
3.0 KiB
import gnu.io.*;
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import java.util.*;
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import java.io.InputStream;
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import java.io.OutputStream;
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public class Simple implements SerialPortEventListener
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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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InputStream input;
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OutputStream output;
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public static void main( String args[] )
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{
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boolean done = false;
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Simple reader = new Simple( );
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while ( !done )
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{
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try {
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Thread.sleep(100);
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} catch (Exception e) {}
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}
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}
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public Simple( )
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{
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System.out.println("Getting PortIdentifiers");
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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/ttyS1" ) )
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{
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try {
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port = (SerialPort) cpi.open("Simple", 2000);
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port.addEventListener(this);
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port.notifyOnDataAvailable(true);
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output=port.getOutputStream();
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input=port.getInputStream();
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System.out.println("writing output");
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output.write( new String("123456789\0").getBytes() );
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} catch (Exception e)
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{
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e.printStackTrace();
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}
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}
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}
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}
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return;
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}
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public void serialEvent(SerialPortEvent event) {
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switch(event.getEventType())
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{
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case SerialPortEvent.BI:
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System.out.print("BI\n");
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case SerialPortEvent.OE:
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System.out.print("OE\n");
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case SerialPortEvent.FE:
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System.out.print("FE\n");
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case SerialPortEvent.PE:
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System.out.print("PE\n");
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case SerialPortEvent.CD:
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System.out.print("CD\n");
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case SerialPortEvent.CTS:
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System.out.print("CTS\n");
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case SerialPortEvent.DSR:
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System.out.print("DSR\n");
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case SerialPortEvent.RI:
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System.out.print("RI\n");
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case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
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System.out.print("Out Buff Empty\n");
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break;
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case SerialPortEvent.DATA_AVAILABLE:
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byte in[] = new byte[800];
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int ret = 0;
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System.out.println("Got Data Available");
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try {
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ret = input.read( in, 0, 63 );
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} catch (Exception e) {
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System.out.println("Input Exception");
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}
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System.out.println("Printing read() results");
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if ( ret > 0 )
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{
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try {
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System.out.write( in, 0, ret );
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System.out.println();
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} catch ( Exception e )
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{
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e.printStackTrace();
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}
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}
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System.exit( 0 );
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break;
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}
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}
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}
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