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import gnu.io.CommPort;
import gnu.io.CommPortIdentifier;
import gnu.io.SerialPort;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
public class COMListener {
private int rate=19200;
public COMListener() {
super();
}
void connect(String portName) throws Exception {
CommPortIdentifier portIdentifier = CommPortIdentifier
.getPortIdentifier(portName);
if (portIdentifier.isCurrentlyOwned()) {
System.out.println("Error: Port is currently in use");
} else {
CommPort commPort = portIdentifier.open(this.getClass().getName(),
2000);
if (commPort instanceof SerialPort) {
SerialPort serialPort = (SerialPort) commPort;
//serialPort.setSerialPortParams(57600, SerialPort.DATABITS_8,SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
//serialPort.setSerialPortParams(9600, SerialPort.DATABITS_8,SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
serialPort.setSerialPortParams(rate, SerialPort.DATABITS_8,SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
InputStream in = serialPort.getInputStream();
OutputStream out = serialPort.getOutputStream();
(new Thread(new SerialReader(in))).start();
(new Thread(new SerialWriter(out))).start();
} else {
System.out
.println("Error: Only serial ports are handled by this example.");
}
}
}
/** */
public static class SerialReader implements Runnable {
InputStream in;
public SerialReader(InputStream in) {
this.in = in;
}
public void run() {
PrintWriter out = null;
byte[] buffer = new byte[8];
int len = -1;
try {
out = new PrintWriter(new BufferedWriter(new FileWriter(
"C:\\eck4.txt",true)));
while ((len = this.in.read(buffer)) > -1) {
String next=new String(buffer,0,len);
System.out.print(next);
out.print(next);
out.flush();
}
} catch (IOException e) {
if (out != null)
out.close();
e.printStackTrace();
}
}
}
/** */
public static class SerialWriter implements Runnable {
OutputStream out;
public SerialWriter(OutputStream out) {
this.out = out;
}
public void run() {
try {
int c = 0;
while ((c = System.in.read()) > -1) {
this.out.write(c);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) {
String rate=args[0];
COMListener l=new COMListener();
if (rate!=null && !rate.trim().equals("")){
try{
l.rate=Integer.parseInt(rate);
}
catch (NumberFormatException nfe){
System.out.println("BAUDRATE n'est pas un nombre");
}
}
try {
l.connect("COM4");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
} |
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