diagmsgdisplay.java

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/*
 * Copyright (c) 2003, Vanderbilt University
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without written agreement is
 * hereby granted, provided that the above copyright notice, the following
 * two paragraphs and the author appear in all copies of this software.
 * 
 * IN NO EVENT SHALL THE VANDERBILT UNIVERSITY BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE VANDERBILT
 * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * THE VANDERBILT UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE VANDERBILT UNIVERSITY HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 */

package net.tinyos.mcenter;
import net.tinyos.packet.*;
/**
 *
 * @author  nadand
 */
public class DiagMSGDisplay extends MessageCenterInternalFrame implements PacketListenerIF {
    
    protected String delimiter = " ";
    protected java.text.SimpleDateFormat timestamp = null;
    
    static final int PACKET_TYPE_FIELD = 2;
    static final int PACKET_LENGTH_FIELD = 4;
    static final int PACKET_DATA_FIELD = 5;
    static final int PACKET_CRC_SIZE = 0;
    
    private byte diagActiveMessage = (byte)0xB1;
    
    private java.util.prefs.Preferences prefsRoot = java.util.prefs.Preferences.userNodeForPackage(this.getClass());
    private java.util.prefs.Preferences prefs;
   
    
    /** Creates new form DiagMSGDisplay */
    public DiagMSGDisplay() {
        super("Diag Message Display");
        prefs = prefsRoot.node(prefsRoot.absolutePath()+"/DiagMSGDisplay");
        diagActiveMessage = (byte)prefs.getInt("DiagActiveMessage",0xB1);
        initComponents();
        SerialConnector.instance().registerPacketListener(this,diagActiveMessage);
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        java.awt.GridBagConstraints gridBagConstraints;

        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        subPanel = new javax.swing.JPanel();
        timestampCheckBox = new javax.swing.JCheckBox();
        jLabel1 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();

        setTitle("Diag Message Display");
        jScrollPane1.setPreferredSize(new java.awt.Dimension(320, 240));
        jScrollPane1.setViewportView(jTextArea1);

        getContentPane().add(jScrollPane1, java.awt.BorderLayout.CENTER);

        subPanel.setLayout(new java.awt.GridBagLayout());

        timestampCheckBox.setText("print timestamp");
        timestampCheckBox.addItemListener(new java.awt.event.ItemListener() {
            public void itemStateChanged(java.awt.event.ItemEvent evt) {
                timestampCheckBoxItemStateChanged(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.weightx = 1.0;
        subPanel.add(timestampCheckBox, gridBagConstraints);

        jLabel1.setHorizontalAlignment(javax.swing.SwingConstants.TRAILING);
        jLabel1.setText("msg type");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 1.0;
        subPanel.add(jLabel1, gridBagConstraints);

        jTextField1.setHorizontalAlignment(javax.swing.JTextField.TRAILING);
        jTextField1.setText("0XB1");
        jTextField1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField1ActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 2.0;
        subPanel.add(jTextField1, gridBagConstraints);

        getContentPane().add(subPanel, java.awt.BorderLayout.SOUTH);

        pack();
    }//GEN-END:initComponents

    private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField1ActionPerformed
        String arg = jTextField1.getText();
        arg.toUpperCase();
        if( !arg.startsWith("0X") ) {
            jTextField1.setText("0X"+Integer.toHexString(diagActiveMessage));
        }
        else{
            
            
            SerialConnector.instance().removePacketListener(this,diagActiveMessage);
            diagActiveMessage = (byte)Integer.parseInt(arg.substring(2), 16);
            SerialConnector.instance().registerPacketListener(this,diagActiveMessage);
            prefs.putInt("DiagActiveMessage",diagActiveMessage);
        }
    }//GEN-LAST:event_jTextField1ActionPerformed
    
    private void timestampCheckBoxItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_timestampCheckBoxItemStateChanged
        if (evt.getStateChange() == java.awt.event.ItemEvent.SELECTED) {
            timestamp = new java.text.SimpleDateFormat("HH:mm:ss.SSSS");
        } else if(evt.getStateChange() == java.awt.event.ItemEvent.DESELECTED) {
            timestamp = null;
        }
    }//GEN-LAST:event_timestampCheckBoxItemStateChanged
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel jLabel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextArea jTextArea1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JPanel subPanel;
    private javax.swing.JCheckBox timestampCheckBox;
    // End of variables declaration//GEN-END:variables
    protected String getTimeStamp() {
        if( timestamp != null )
            return timestamp.format(new java.util.Date()) + delimiter;
        
        return "";
    }
    
    /**  .
     */
    public void packetReceived(byte[] packet) {
        if( packet[PACKET_TYPE_FIELD] == diagActiveMessage ) {
            try {
                jTextArea1.append(getTimeStamp() + decode(packet)+ "\n");
                jTextArea1.setCaretPosition(this.jTextArea1.getDocument().getLength());
                
            }
            catch(DiagMsgException e) {
                System.out.println(e.getMessage());
            }
        }
    }
    
    static protected class DiagMsgException extends Exception {
        public DiagMsgException(String cause) {
            super(cause);
        }
    }
    
    protected byte[] packet;
    protected int end;
    protected int head;
    protected StringBuffer line;
    
    protected synchronized String decode(byte[] packet) throws DiagMsgException {
        this.packet = packet;
        
        head = PACKET_DATA_FIELD;
        end = PACKET_DATA_FIELD + packet[PACKET_LENGTH_FIELD];
        if( end < head || end > packet.length - PACKET_CRC_SIZE )
            throw new DiagMsgException("illegal message length");
        
        line = new StringBuffer();
        
        while(head < end) {
            byte code = getByte();
            
            addSimple(code & 0xF);
            addSimple((code >> 4) & 0xF);
        }
        
        // delete the leading space
        if( line.length() > 0 && line.substring(0, delimiter.length()).equals(delimiter) )
            line.delete(0, delimiter.length());
        
        return new String(line);
    }
    
    static final int TYPE_END = 0;
    static final int TYPE_INT8 = 1;
    static final int TYPE_UINT8 = 2;
    static final int TYPE_HEX8 = 3;
    static final int TYPE_INT16 = 4;
    static final int TYPE_UINT16 = 5;
    static final int TYPE_HEX16 = 6;
    static final int TYPE_INT32 = 7;
    static final int TYPE_UINT32 = 8;
    static final int TYPE_HEX32 = 9;
    static final int TYPE_FLOAT = 10;
    static final int TYPE_CHAR = 11;
    static final int TYPE_INT64 = 12;
    static final int TYPE_UINT64 = 13;
    static final int TYPE_TOKEN = 14;
    static final int TYPE_ARRAY = 15;
    
    protected void addSimple(int type) throws DiagMsgException {
        switch(type) {
            case TYPE_END:                 break;
            case TYPE_INT8:   addInt8();   break;
            case TYPE_UINT8:  addUint8();  break;
            case TYPE_HEX8:   addHex8();   break;
            case TYPE_INT16:  addInt16();  break;
            case TYPE_UINT16: addUint16(); break;
            case TYPE_HEX16:  addHex16();  break;
            case TYPE_INT32:  addInt32();  break;
            case TYPE_UINT32: addUint32(); break;
            case TYPE_HEX32:  addHex32();  break;
            case TYPE_FLOAT:  addReal();   break;