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import java.io.*;
import javax.comm.*;
import java.util.*;
public class PortWriter
{
static Enumeration ports;
static CommPortIdentifier pID;
static OutputStream outStream;
SerialPort serPort;
static String messageToSend = "message!\n";
public PortWriter() throws Exception{
serPort = (SerialPort)pID.open("PortWriter",2000);
outStream = serPort.getOutputStream();
serPort.setSerialPortParams(9600, SerialPort.DATABITS_8,
SerialPort.STOPBITS_1,
SerialPort.PARITY_NONE);
}
public static void main(String[] args) throws Exception{
ports = CommPortIdentifier.getPortIdentifiers();
while(ports.hasMoreElements())
{
pID = (CommPortIdentifier)ports.nextElement();
System.out.println("Port " + pID.getName());
if (pID.getPortType() == CommPortIdentifier.PORT_SERIAL)
{
if (pID.getName().equals("COM1"))
{
PortWriter pWriter = new PortWriter();
System.out.println("COM1 found");
}
}
}
outStream.write(messageToSend.getBytes());
}
}
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