added simple method for wrapping serial data in SLIP packets
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parent
98d23c3494
commit
2d8667cad1
2 changed files with 96 additions and 6 deletions
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@ -26,7 +26,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: SkySerial.java,v 1.9 2008/12/09 16:58:36 fros4943 Exp $
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* $Id: SkySerial.java,v 1.10 2009/01/15 13:13:47 fros4943 Exp $
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*/
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package se.sics.cooja.mspmote.interfaces;
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@ -39,6 +39,7 @@ import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.util.*;
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import javax.swing.*;
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import org.apache.log4j.Logger;
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import org.jdom.Element;
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@ -48,6 +49,7 @@ import se.sics.mspsim.core.*;
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import se.sics.cooja.interfaces.Log;
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import se.sics.cooja.interfaces.SerialPort;
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import se.sics.cooja.mspmote.SkyMote;
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import se.sics.cooja.plugins.SLIP;
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/**
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* @author Fredrik Österlind
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@ -63,6 +65,7 @@ public class SkySerial extends Log implements SerialPort, USARTListener {
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private JTextArea logTextPane = null;
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private USART usart;
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private JTextField commandField;
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private JCheckBox slipCheckbox;
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private String[] history = new String[50];
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private int historyPos = 0;
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private int historyCount = 0;
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@ -186,8 +189,15 @@ public class SkySerial extends Log implements SerialPort, USARTListener {
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historyCount = (historyCount + 1) % history.length;
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}
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historyPos = historyCount;
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if (slipCheckbox.isSelected()) {
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addToLog("SLIP> " + command);
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command += "\n";
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writeArray(SLIP.asSlip(command.getBytes()));
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} else {
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addToLog("> " + command);
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writeString(command);
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}
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commandField.setText("");
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} catch (Exception ex) {
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System.err.println("could not send '" + command + "':");
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@ -244,8 +254,12 @@ public class SkySerial extends Log implements SerialPort, USARTListener {
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});
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slipCheckbox = new JCheckBox("", false);
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slipCheckbox.setToolTipText("Wrap data as SLIP");
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commandField.addActionListener(action);
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sendButton.addActionListener(action);
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sendPane.add(BorderLayout.WEST, slipCheckbox);
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sendPane.add(BorderLayout.CENTER, commandField);
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sendPane.add(BorderLayout.EAST, sendButton);
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76
tools/cooja/java/se/sics/cooja/plugins/SLIP.java
Normal file
76
tools/cooja/java/se/sics/cooja/plugins/SLIP.java
Normal file
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@ -0,0 +1,76 @@
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/*
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* Copyright (c) 2009, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: SLIP.java,v 1.1 2009/01/15 13:13:47 fros4943 Exp $
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*/
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package se.sics.cooja.plugins;
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import java.util.ArrayList;
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import org.apache.log4j.Logger;
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public class SLIP {
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private static Logger logger = Logger.getLogger(SLIP.class);
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private final static byte SLIP_END = (byte)0300;
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private final static byte SLIP_ESC = (byte)0333;
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private final static byte SLIP_ESC_END = (byte)0334;
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private final static byte SLIP_ESC_ESC = (byte)0335;
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/**
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* Wraps packet as SLIP.
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*
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* @param packet Packet data
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*/
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public static byte[] asSlip(byte[] packet) {
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ArrayList<Byte> bytes = new ArrayList<Byte>();
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bytes.add(SLIP_END);
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for (byte b: packet) {
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if (b == SLIP_END) {
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bytes.add(SLIP_ESC);
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bytes.add(SLIP_ESC_END);
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} else if (b == SLIP_ESC) {
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bytes.add(SLIP_ESC);
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bytes.add(SLIP_ESC_ESC);
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} else {
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bytes.add(b);
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}
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}
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bytes.add(SLIP_END);
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byte[] arr = new byte[bytes.size()];
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for (int i=0; i < bytes.size(); i++) {
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arr[i] = (bytes.get(i)).byteValue();
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}
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return arr;
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}
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}
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