/*
* @(#)BaudRate.java 1.3 98/07/16 SMI
*
* Author: Tom Corson
*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license
* to use, modify and redistribute this software in source and binary
* code form, provided that i) this copyright notice and license appear
* on all copies of the software; and ii) Licensee does not utilize the
* software in a manner which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND
* ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
* LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE
* SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS
* BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES,
* HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING
* OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control
* of aircraft, air traffic, aircraft navigation or aircraft
* communications; or in the design, construction, operation or
* maintenance of any nuclear facility. Licensee represents and
* warrants that it will not use or redistribute the Software for such
* purposes.
*/
import java.awt.Choice;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;
import javax.comm.SerialPort;
import javax.comm.UnsupportedCommOperationException;
class BaudRate extends Choice implements ItemListener
{
private SerialPortDisplay owner;
public BaudRate(SerialPortDisplay owner)
{
super();
this.add("Unknown");
this.add("50");
this.add("75");
this.add("110");
this.add("134");
this.add("150");
this.add("200");
this.add("300");
this.add("600");
this.add("1200");
this.add("1800");
this.add("2400");
this.add("4800");
this.add("9600");
this.add("19200");
this.add("28800"); // This is a known bad value to test
this.add("38400");
this.add("57600");
this.add("115200");
this.addItemListener(this);
this.owner = owner;
}
protected void showValue()
{
SerialPort port = this.owner.port;
if (this.owner.open)
{
/*
* Get the baud rate
*/
this.select(new Integer(port.getBaudRate()).toString());
}
else
{
this.select("Unknown");
}
}
public void itemStateChanged(ItemEvent ev)
{
SerialPort port;
String sel = (String) ev.getItem();
int value = 0;
if (sel.equals("Unknown"))
{
this.showValue();
return;
}
else
{
value = (new Integer(sel)).intValue();
}
port = this.owner.port;
if ((value > 0) && (port != null))
{
/*
* Set the baud rate.
*
* Note: we must set all of the parameters, not just
* the baud rate, hence the use of get*
*/
try
{
port.setSerialPortParams(value,
port.getDataBits(),
port.getStopBits(),
port.getParity());
}
catch (UnsupportedCommOperationException e)
{
System.out.println("Cannot set baud rate to "
+ sel + " for port "
+ port.getName());
}
}
this.owner.showValues();
}
}