import java.io.*;
import java.awt.Frame;
import java.awt.FlowLayout;
import java.awt.Color;
import java.awt.Insets;
import java.awt.Dimension;
import java.awt.event.WindowListener;
import java.awt.event.WindowEvent;
import java.util.Enumeration;
import javax.comm.CommPort;
import javax.comm.CommPortIdentifier;
import javax.comm.SerialPort;
import javax.comm.NoSuchPortException;
import javax.comm.PortInUseException;
public class BlackBox extends Frame implements WindowListener
{
static int portNum = 0,
panelNum = 0,
rcvDelay = 0;
static SerialPortDisplay[] portDisp;
static BlackBox win;
static boolean threaded = true,
silentReceive = false,
modemMode = false,
friendly = false;
public BlackBox()
{
super("Serial Port Black Box Tester");
addNotify();
addWindowListener(this);
}
public void windowIconified(WindowEvent event)
{
}
public void windowDeiconified(WindowEvent event)
{
}
public void windowOpened(WindowEvent event)
{
}
public void windowClosed(WindowEvent event)
{
}
public void windowActivated(WindowEvent event)
{
}
public void windowDeactivated(WindowEvent event)
{
}
public void windowClosing(WindowEvent event)
{
cleanup();
dispose();
System.exit(0);
}
public static void main(String[] args)
{
Enumeration ports;
CommPortIdentifier portId;
boolean allPorts = true,
lineMonitor = false;
int idx = 0;
win = new BlackBox();
win.setLayout(new FlowLayout());
win.setBackground(Color.gray);
portDisp = new SerialPortDisplay[4];
while (args.length > idx)
{
if (args[idx].equals("-h"))
{
printUsage();
}
else if (args[idx].equals("-f"))
{
friendly = true;
System.out.println("Friendly mode");
}
else if (args[idx].equals("-n"))
{
threaded = false;
System.out.println("No threads");
}
else if (args[idx].equals("-l"))
{
lineMonitor = true;
System.out.println("Line Monitor mode");
}
else if (args[idx].equals("-m"))
{
modemMode = true;
System.out.println("Modem mode");
}
else if (args[idx].equals("-s"))
{
silentReceive = true;
System.out.println("Silent Reciever");
}
else if (args[idx].equals("-d"))
{
idx++;
rcvDelay = new Integer(args[idx]).intValue();
System.out.println("Receive delay = "
+ rcvDelay + " msecs");
}
else if (args[idx].equals("-p"))
{
idx++;
while (args.length > idx)
{
/*
* Get the specific port
*/
try
{
portId =
CommPortIdentifier.getPortIdentifier(args[idx]);
System.out.println("Opening port "
+ portId.getName());
win.addPort(portId);
}
catch (NoSuchPortException e)
{
System.out.println("Port "
+ args[idx]
+ " not found!");
}
idx++;
}
allPorts = false;
break;
}
else
{
System.out.println("Unknown option "
+ args[idx]);
printUsage();
}
idx++;
}
if (allPorts)
{
/*
* Get an enumeration of all of the comm ports
* on the machine
*/
ports = CommPortIdentifier.getPortIdentifiers();
if (ports == null)
{
System.out.println("No comm ports found!");
return;
}
while (ports.hasMoreElements())
{
/*
* Get the specific port
*/
portId = (CommPortIdentifier)
ports.nextElement();
win.addPort(portId);
}
}
if (portNum > 0)
{
if (lineMonitor)
{
if (portNum >= 2)
{
portDisp[0].setLineMonitor(portDisp[1],
true);
}
else
{
System.out.println("Need 2 ports for line monitor!");
System.exit(0);
}
}
}
else
{
System.out.println("No serial ports found!");
System.exit(0);
}
}
private void addPort(CommPortIdentifier portId)
{
/*
* Is this a serial port?
*/
if (portId.getPortType()
== CommPortIdentifier.PORT_SERIAL)
{
// Is the port in use?
if (portId.isCurrentlyOwned())
{
System.out.println("Detected "
+ portId.getName()
+ " in use by "
+ portId.getCurrentOwner());
}
/*
* Open the port and add it to our GUI
*/
try
{
portDisp[portNum] = new
SerialPortDisplay(portId,
threaded,
friendly,
silentReceive,
modemMode,
rcvDelay,
win);
this.portNum++;
}
catch (PortInUseException e)
{
System.out.println(portId.getName()
+ " in use by "
+ e.currentOwner);
}
}
}
public void addPanel(SerialPortDisplay panel)
{
Dimension dim;
Insets ins;
win.add(panel);
win.validate();
dim = panel.getSize();
ins = win.getInsets();
dim.height = ((this.panelNum + 1) * (dim.height + ins.top
+ ins.bottom)) + 10;
dim.width = dim.width + ins.left + ins.right + 20;
win.setSize(dim);
win.show();
panelNum++;
}
static void printUsage()
{
System.out.println("Usage: BlackBox [-h] | [-f] [-l] [-m] [-n] [-s] [-d receive_delay] [-p ports]");
System.out.println("Where:");
System.out.println("\t-h this usage message");
System.out.println("\t-f friendly - relinquish port if requested");
System.out.println("\t-l run as a line monitor");
System.out.println("\t-m newline is \\n\\r (modem mode)");
System.out.println("\t-n do not use receiver threads");
System.out.println("\t-s don't display received data");
System.out.println("\t-d sleep for receive_delay msecs after each read");
System.out.println("\t-p list of ports to open (separated by spaces)");
System.exit(0);
}
private void cleanup()
{
SerialPort p;
while (portNum > 0)
{
portNum--;
panelNum--;
/*
* Close the port
*/
p = portDisp[portNum].getPort();
if (p != null)
{
System.out.println("Closing port "
+ portNum
+ " ("
+ p.getName()
+ ")");
portDisp[portNum].closeBBPort();
}
}
}
}
