added option to program Sky nodes from the Java interface

examples/sky-shell/build.xml

@@ -27,13 +27,13 @@
   <target name="dist" depends="compile">
     <mkdir dir="${dist}"/>
     <jar destfile="${dist}/${archive}" basedir="${build}">
-<!--       <fileset dir="${build}"/> -->
       <manifest>
         <attribute name="Main-Class" value="${main}"/>
         <attribute name="Class-Path" value="lib/jcommon-1.0.13.jar lib/jfreechart-1.0.10.jar"/>
       </manifest>
     </jar>
     <copy todir="${dist}" file="collect-init.script"/>
+    <copy todir="${dist}" file="sky-shell.ihex"/>
     <mkdir dir="${dist}/lib"/>
     <copy todir="${dist}/lib">
       <fileset dir="${lib}">
@@ -42,10 +42,7 @@
     </copy>
     <mkdir dir="${dist}/tools"/>
     <copy todir="${dist}/tools">
-      <fileset dir="${contiki}/tools/sky">
+      <fileset dir="${contiki}/tools/sky"/>
-        <include name="**/motelist*"/>
-        <include name="**/serialdump*"/>
-      </fileset>
     </copy>
     <copy file="${contiki}/tools/cygwin/cygwin1.dll" todir="${dist}/tools"/>
   </target>

examples/sky-shell/src/se/sics/contiki/collect/CollectServer.java

@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: CollectServer.java,v 1.3 2008/07/10 00:19:20 nifi Exp $
+ * $Id: CollectServer.java,v 1.4 2008/07/10 14:52:59 nifi Exp $
  *
  * -----------------------------------------------------------------
  *
@@ -34,8 +34,8 @@
  *
  * Authors : Joakim Eriksson, Niclas Finne
  * Created : 3 jul 2008
- * Updated : $Date: 2008/07/10 00:19:20 $
+ * Updated : $Date: 2008/07/10 14:52:59 $
- *           $Revision: 1.3 $
+ *           $Revision: 1.4 $
  */
 
 package se.sics.contiki.collect;
@@ -89,13 +89,12 @@ import se.sics.contiki.collect.gui.TimeChartPanel;
 public class CollectServer {
 
   public static final String WINDOW_TITLE = "Sensor Data Collect with Contiki";
-  public static final double TICKS_PER_SECOND = 4096; /* TODO Convert from TimerB ticks to seconds */
-  public static final double UPDATE_PERIOD = 1; /* TODO Set update period (1 second?) */
 
   public static final String CONFIG_FILE = "collect.conf";
   public static final String SENSORDATA_FILE = "sensordata.log";
   public static final String CONFIG_DATA_FILE = "collect-data.conf";
   public static final String INIT_SCRIPT = "collect-init.script";
+  public static final String FIRMWARE_FILE = "sky-shell.ihex";
 
   private Properties config = new Properties();
 
@@ -110,6 +109,7 @@ public class CollectServer {
 
   private JFrame window;
   private JTabbedPane mainPanel;
+  private JMenuItem serialItem;
 
   private Visualizer[] visualizers;
   private MapPanel mapPanel;
@@ -158,9 +158,6 @@ public class CollectServer {
     nodeModel = new DefaultListModel();
     nodeList = new JList(nodeModel);
     nodeList.setPrototypeCellValue("Node 88888");
-//    DefaultListCellRenderer l = new DefaultListCellRenderer();
-//    l.setHorizontalAlignment(DefaultListCellRenderer.RIGHT);
-//    nodeList.setCellRenderer(l);
     nodeList.addListSelectionListener(new ListSelectionListener() {
 
       @Override
@@ -293,7 +290,14 @@ public class CollectServer {
     JMenu fileMenu = new JMenu("File");
     fileMenu.setMnemonic(KeyEvent.VK_F);
     menuBar.add(fileMenu);
+    serialItem = new JMenuItem("Connect to serial");
+    serialItem.addActionListener(new SerialItemHandler());
+    fileMenu.add(serialItem);
+    JMenuItem item = new JMenuItem("Program Sky nodes...");
+    item.addActionListener(new ProgramItemHandler());
+    fileMenu.add(item);
 
+    fileMenu.addSeparator();
     final JMenuItem clearMapItem = new JMenuItem("Remove Map Background");
     clearMapItem.addActionListener(new ActionListener() {
 
@@ -306,7 +310,7 @@ public class CollectServer {
     });
     clearMapItem.setEnabled(mapPanel.getMapBackground() != null);
 
-    JMenuItem item = new JMenuItem("Select Map Background...");
+    item = new JMenuItem("Select Map Background...");
     item.addActionListener(new ActionListener() {
 
       public void actionPerformed(ActionEvent e) {
@@ -404,12 +408,6 @@ public class CollectServer {
       }
     });
 
-    if (comPort == null) {
-      comPort = MoteFinder.selectComPort(window);
-//      if (comPort == null) {
-//        exit();
-//      }
-    }
     serialConnection = new SerialConnection() {
 
       private boolean hasOpened;
@@ -448,6 +446,7 @@ public class CollectServer {
         } else {
           prefix = "Failed to connect to " + getComPort() + '\n';
         }
+        if (!isClosed) {
           String options[] = {"Retry", "Search for connected nodes", "Cancel"};
           int value = JOptionPane.showOptionDialog(window,
               prefix + "Do you want to retry or search for connected nodes?",
@@ -470,6 +469,7 @@ public class CollectServer {
             }
           }
         }
+      }
 
       @Override
       protected void serialData(String line) {
@@ -477,10 +477,23 @@ public class CollectServer {
       }
 
     };
+    if (comPort != null) {
+      serialConnection.setComPort(comPort);
+    }
+    connectToSerial();
+  }
+
+  protected void connectToSerial() {
+    if (!serialConnection.isOpen()) {
+      String comPort = serialConnection.getComPort();
+      if (comPort == null) {
+        comPort = MoteFinder.selectComPort(window);
+      }
       if (comPort != null) {
         serialConnection.open(comPort);
       }
     }
+  }
 
   private void exit() {
     /* TODO Clean up resources */
@@ -551,7 +564,9 @@ public class CollectServer {
         } else {
           window.setTitle(WINDOW_TITLE + " (" + message + ')');
         }
+        serialItem.setText(serialConnection.isOpen() ? "Disconnect from serial" : "Connect to serial");
       }
+
     });
   }
 
@@ -860,6 +875,77 @@ public class CollectServer {
     this.sensorDataOutput = null;
   }
 
+  protected class SerialItemHandler implements ActionListener, Runnable {
+
+    private boolean isRunning;
+
+    public void actionPerformed(ActionEvent e) {
+      if (!isRunning) {
+        isRunning = true;
+        new Thread(this, "serial").start();
+      }
+    }
+
+    public void run() {
+      try {
+        if (serialConnection != null && serialConnection.isOpen()) {
+          serialConnection.close();
+        } else {
+          connectToSerial();
+        }
+      } finally {
+        isRunning = false;
+      }
+    }
+
+  }
+
+  protected class ProgramItemHandler implements ActionListener, Runnable {
+
+    private boolean isRunning = false;
+    public void actionPerformed(ActionEvent e) {
+      if (!isRunning) {
+        isRunning = true;
+        new Thread(this, "program thread").start();
+      }
+    }
+
+    @Override
+    public void run() {
+      try {
+        MoteProgrammer mp = new MoteProgrammer();
+        mp.setParentComponent(window);
+        mp.setFirmwareFile(FIRMWARE_FILE);
+        mp.searchForMotes();
+        int[] motes = mp.getMotes();
+        if (motes == null || motes.length == 0) {
+          JOptionPane.showMessageDialog(window, "Could not find any connected Sky nodes", "Error", JOptionPane.ERROR_MESSAGE);
+          return;
+        }
+        int reply = JOptionPane.showConfirmDialog(window, "Found " + motes.length + " connected Sky nodes.\n"
+            + "Do you want to upload the firmware " + FIRMWARE_FILE + '?');
+        if (reply == JFileChooser.APPROVE_OPTION) {
+          boolean wasOpen = serialConnection.isOpen();
+          serialConnection.close();
+          if (wasOpen) {
+            Thread.sleep(1000);
+          }
+          mp.programMotes();
+          mp.waitForProcess();
+          if (wasOpen) {
+            connectToSerial();
+          }
+        }
+      } catch (Exception e) {
+        e.printStackTrace();
+        JOptionPane.showMessageDialog(window, "Programming failed: " + e, "Error", JOptionPane.ERROR_MESSAGE);
+      } finally {
+        isRunning = false;
+      }
+    }
+
+  }
+
   // -------------------------------------------------------------------
   // Main
   // -------------------------------------------------------------------

examples/sky-shell/src/se/sics/contiki/collect/MoteProgrammer.java

@@ -0,0 +1,269 @@
+/*
+ * Copyright (c) 2008, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: MoteProgrammer.java,v 1.1 2008/07/10 14:52:59 nifi Exp $
+ *
+ * -----------------------------------------------------------------
+ *
+ * MoteProgrammer
+ *
+ * Authors : Joakim Eriksson, Niclas Finne
+ * Created : 10 jul 2008
+ * Updated : $Date: 2008/07/10 14:52:59 $
+ *           $Revision: 1.1 $
+ */
+
+package se.sics.contiki.collect;
+import java.awt.BorderLayout;
+import java.awt.Window;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.File;
+import java.io.IOException;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+import javax.swing.SwingUtilities;
+
+/**
+ *
+ */
+public class MoteProgrammer {
+
+  private MoteProgrammerProcess[] processes;
+  private int[] motes;
+  private String firmwareFile;
+
+  private Window parent;
+  protected JTextArea logTextArea;
+  protected JDialog dialog;
+  protected JButton closeButton;
+  private boolean isDone;
+
+  public MoteProgrammer() {
+  }
+
+  public Window getParentComponent() {
+    return parent;
+  }
+
+  public void setParentComponent(Window parent) {
+    this.parent = parent;
+  }
+
+  public boolean hasMotes() {
+    return motes != null && motes.length > 0;
+  }
+
+  public int[] getMotes() {
+    return motes;
+  }
+
+  public void setMotes(int[] motes) {
+    this.motes = motes;
+  }
+
+  public void searchForMotes() throws IOException {
+    MoteFinder finder = new MoteFinder();
+    motes = finder.getMotes();
+    finder.close();
+  }
+
+  public String getFirmwareFile() {
+    return firmwareFile;
+  }
+
+  public void setFirmwareFile(String firmwareFile) {
+    this.firmwareFile = firmwareFile;
+  }
+
+  public void programMotes() throws IOException {
+    if (firmwareFile == null) {
+      throw new IllegalStateException("no firmware");
+    }
+    if (!hasMotes()) {
+      throw new IllegalStateException("no motes");
+    }
+    File fp = new File(firmwareFile);
+    if (!fp.canRead()) {
+      throw new IllegalStateException("can not read firmware file '" + fp.getAbsolutePath() + '\'');
+    }
+    if (parent != null) {
+      // Use GUI
+      dialog = new JDialog(parent, "Mote Programmer");
+      logTextArea = new JTextArea(28, 80);
+      logTextArea.setEditable(false);
+      logTextArea.setLineWrap(true);
+      dialog.getContentPane().add(new JScrollPane(logTextArea), BorderLayout.CENTER);
+      JPanel panel = new JPanel();
+      closeButton = new JButton("Cancel");
+      closeButton.addActionListener(new ActionListener() {
+
+        public void actionPerformed(ActionEvent e) {
+          MoteProgrammer.this.close();
+        }
+
+      });
+      panel.add(closeButton);
+      dialog.getContentPane().add(panel, BorderLayout.SOUTH);
+      dialog.pack();
+      dialog.setLocationRelativeTo(parent);
+      dialog.setVisible(true);
+    }
+    processes = new MoteProgrammerProcess[motes.length];
+    isDone = false;
+    try {
+      log("Programming " + motes.length + " motes with '" + firmwareFile + '\'', null);
+      for (int i = 0, n = processes.length; i < n; i++) {
+        processes[i] = new MoteProgrammerProcess(motes[i], firmwareFile) {
+          protected void logLine(String line, boolean stderr, Throwable e) {
+            if (!handleLogLine(this, line, stderr, e)) {
+              super.logLine(line, stderr, e);
+            }
+          }
+          protected void processEnded() {
+            handleProcessEnded(this);
+          }
+        };
+        processes[i].start();
+      }
+    } catch (Exception e) {
+      throw (IOException) new IOException("Failed to program motes").initCause(e);
+    }
+  }
+
+  public synchronized void waitForProcess() throws InterruptedException {
+    while (!isDone) {
+      wait();
+    }
+  }
+
+  public void close() {
+    MoteProgrammerProcess[] processes = this.processes;
+    if (processes != null) {
+      this.processes = null;
+      for (int i = 0, n = processes.length; i < n; i++) {
+        if (processes[i] != null) {
+          processes[i].stop();
+        }
+      }
+    }
+    if (dialog != null) {
+      SwingUtilities.invokeLater(new Runnable() {
+        public void run() {
+          dialog.setVisible(false);
+        }
+      });
+    }
+    isDone = true;
+    synchronized (this) {
+      notifyAll();
+    }
+  }
+
+  protected void handleProcessEnded(MoteProgrammerProcess process) {
+    // Another process has finished
+    log("Mote@" + process.getMote() + "> finished" + (process.hasError() ? " with errors": ""), null);
+    MoteProgrammerProcess[] processes = this.processes;
+    if (processes != null) {
+      int running = 0;
+      int errors = 0;
+      for(MoteProgrammerProcess p: processes) {
+        if (p.isRunning()) {
+          running++;
+        } else if (p.hasError()) {
+          errors++;
+        }
+      }
+      if (running == 0) {
+        // All processes has finished
+        isDone = true;
+
+        log("Programming finished with " + errors + " errors.", null);
+        if (closeButton != null) {
+          SwingUtilities.invokeLater(new Runnable() {
+            public void run() {
+              closeButton.setText("Close");
+            }});
+        }
+        synchronized (this) {
+          notifyAll();
+        }
+      }
+    }
+  }
+
+  protected boolean handleLogLine(MoteProgrammerProcess moteProgrammerProcess,
+      String line, boolean stderr, final Throwable e) {
+    log("Mote@" + moteProgrammerProcess.getMote() + "> " + line, e);
+    return true;
+  }
+
+  private void log(String line, final Throwable e) {
+    System.err.println(line);
+    if (e != null) {
+      e.printStackTrace();
+      line += "\n  " + e;
+    }
+    final String text = line;
+    SwingUtilities.invokeLater(new Runnable() {
+      public void run() {
+        int len = logTextArea.getDocument().getLength();
+        if (len == 0) {
+          logTextArea.append(text);
+        } else {
+          logTextArea.append('\n' + text);
+          len++;
+        }
+        logTextArea.setCaretPosition(len + text.length());
+      }
+    });
+  }
+
+  public static void main(String[] args) throws IOException {
+    MoteProgrammer mp = new MoteProgrammer();
+    if (args.length < 1 || args.length > 2) {
+      System.err.println("Usage: MoteProgrammer <firmware> [mote]");
+      System.exit(1);
+    }
+    mp.setFirmwareFile(args[0]);
+    if (args.length == 2) {
+      mp.setMotes(new int[] { Integer.parseInt(args[1]) });
+    } else {
+      mp.searchForMotes();
+    }
+    if (!mp.hasMotes()) {
+      System.err.println("No motes connected");
+      System.exit(1);
+    }
+    mp.programMotes();
+  }
+
+}

examples/sky-shell/src/se/sics/contiki/collect/MoteProgrammerProcess.java

@@ -0,0 +1,229 @@
+/*
+ * Copyright (c) 2008, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: MoteProgrammerProcess.java,v 1.1 2008/07/10 14:52:59 nifi Exp $
+ *
+ * -----------------------------------------------------------------
+ *
+ * MoteProgrammerProcess
+ *
+ * Authors : Joakim Eriksson, Niclas Finne
+ * Created : 10 jul 2008
+ * Updated : $Date: 2008/07/10 14:52:59 $
+ *           $Revision: 1.1 $
+ */
+
+package se.sics.contiki.collect;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+/**
+ *
+ */
+public class MoteProgrammerProcess {
+
+  public static final String BSL_WINDOWS = "./tools/msp430-bsl-windows.exe";
+  public static final String BSL_LINUX = "./tools/msp430-bsl-linux";
+
+  private final int mote;
+  private final String moteID;
+  private final String firmwareFile;
+  private final String[][] commandSet;
+  private int retry = 3;
+
+  private Process currentProcess;
+  private Thread commandThread;
+  private boolean isRunning;
+  private boolean hasError;
+
+  public MoteProgrammerProcess(int mote, String firmwareFile) {
+    this.mote = mote;
+    this.moteID = "" + (mote - 1);
+    this.firmwareFile = firmwareFile;
+    String osName = System.getProperty("os.name").toLowerCase();
+    String bslCommand;
+    if (osName.startsWith("win")) {
+      bslCommand = BSL_WINDOWS;
+    } else {
+      bslCommand = BSL_LINUX;
+    }
+    commandSet = new String[][] {
+        { bslCommand, "--telosb", "-c", moteID, "-e" },
+        { bslCommand, "--telosb", "-c", moteID, "-I", "-p", firmwareFile },
+        { bslCommand, "--telosb", "-c", moteID, "-r" }
+    };
+  }
+
+  public int getMote() {
+    return mote;
+  }
+
+  public String getFirmwareFile() {
+    return firmwareFile;
+  }
+
+  public int getRetry() {
+    return retry;
+  }
+
+  public void setRetry(int retry) {
+    this.retry = retry;
+  }
+
+  public boolean isRunning() {
+    return isRunning;
+  }
+
+  public boolean hasError() {
+    return hasError;
+  }
+
+  public void start() {
+    if (isRunning) {
+      // Already running
+      return;
+    }
+    isRunning = true;
+    commandThread = new Thread(new Runnable() {
+      public void run() {
+        try {
+          int count = 0;
+          do {
+            if (count > 0) {
+              logLine("An error occurred. Retrying.", true, null);
+            }
+            count++;
+            hasError = false;
+            for (int j = 0, m = commandSet.length; j < m && isRunning && !hasError; j++) {
+              runCommand(commandSet[j]);
+              Thread.sleep(2000);
+            }
+          } while (isRunning && hasError && count < retry);
+        } catch (Exception e) {
+          e.printStackTrace();
+        } finally {
+          isRunning = false;
+          processEnded();
+        }
+      }
+    });
+    commandThread.start();
+  }
+
+  public void stop() {
+    isRunning = false;
+    Process process = currentProcess;
+    if (process != null) {
+      process.destroy();
+    }
+  }
+
+  public void waitForProcess() throws InterruptedException {
+    if (isRunning && commandThread != null) {
+      commandThread.join();
+    }
+  }
+
+  protected void processEnded() {
+  }
+
+  private void runCommand(String[] cmd) throws IOException, InterruptedException {
+    if (currentProcess != null) {
+      currentProcess.destroy();
+    }
+    currentProcess = Runtime.getRuntime().exec(cmd);
+    final BufferedReader input = new BufferedReader(new InputStreamReader(currentProcess.getInputStream()));
+    final BufferedReader err = new BufferedReader(new InputStreamReader(currentProcess.getErrorStream()));
+
+    /* Start thread listening on stdout */
+    Thread readInput = new Thread(new Runnable() {
+      public void run() {
+        String line;
+        try {
+          while ((line = input.readLine()) != null) {
+            handleLine(line, false);
+          }
+          input.close();
+        } catch (IOException e) {
+          logLine("Error reading from command", false, e);
+        }
+      }
+    }, "read stdout thread");
+
+    /* Start thread listening on stderr */
+    Thread readError = new Thread(new Runnable() {
+      public void run() {
+        String line;
+        try {
+          while ((line = err.readLine()) != null) {
+            handleLine(line, true);
+          }
+          err.close();
+        } catch (IOException e) {
+          logLine("Error reading from command", true, e);
+        }
+      }
+    }, "read stderr thread");
+
+    readInput.start();
+    readError.start();
+
+    // Wait for the bsl program to finish executing
+    readInput.join();
+    currentProcess = null;
+  }
+
+  private void handleLine(String line, boolean stderr) {
+    if (line.toLowerCase().contains("error")) {
+      hasError = true;
+    }
+    logLine(line, stderr, null);
+  }
+
+  protected void logLine(String line, boolean stderr, Throwable e) {
+    if (stderr) {
+      System.err.println("Programmer@" + mote + "> " + line);
+    } else {
+      System.out.println("Programmer@" + mote + "> " + line);
+    }
+    if (e != null) {
+      e.printStackTrace();
+    }
+  }
+
+  protected String toString(String[] cmd) {
+    StringBuilder sb = new StringBuilder();
+    for (int i = 0, n = cmd.length; i < n; i++) {
+      if (i > 0) sb.append(' ');
+      sb.append(cmd[i]);
+    }
+    return sb.toString();
+  }
+
+}

examples/sky-shell/src/se/sics/contiki/collect/SerialConnection.java

@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: SerialConnection.java,v 1.1 2008/07/09 23:18:06 nifi Exp $
+ * $Id: SerialConnection.java,v 1.2 2008/07/10 14:52:59 nifi Exp $
  *
  * -----------------------------------------------------------------
  *
@@ -34,8 +34,8 @@
  *
  * Authors : Joakim Eriksson, Niclas Finne
  * Created : 5 jul 2008
- * Updated : $Date: 2008/07/09 23:18:06 $
+ * Updated : $Date: 2008/07/10 14:52:59 $
- *           $Revision: 1.1 $
+ *           $Revision: 1.2 $
  */
 
 package se.sics.contiki.collect;
@@ -56,9 +56,9 @@ public abstract class SerialConnection {
   private String comPort;
   private Process serialDumpProcess;
   private PrintWriter serialOutput;
-  private boolean isRunning;
+  protected boolean isOpen;
-  private boolean isOpen;
+  protected boolean isClosed = true;
-  private String lastError;
+  protected String lastError;
 
   public boolean isOpen() {
     return isOpen;
@@ -68,14 +68,21 @@ public abstract class SerialConnection {
     return comPort;
   }
 
+  public void setComPort(String comPort) {
+    this.comPort = comPort;
+  }
+
   public String getLastError() {
     return lastError;
   }
 
   public void open(String comPort) {
+    if (comPort == null) {
+      throw new IllegalStateException("no com port");
+    }
     close();
-
     this.comPort = comPort;
+
     /* Connect to COM using external serialdump application */
     String osName = System.getProperty("os.name").toLowerCase();
     String fullCommand;
@@ -85,7 +92,7 @@ public abstract class SerialConnection {
       fullCommand = SERIALDUMP_LINUX + " " + "-b115200" + " " + comPort;
     }
 
-    isRunning = true;
+    isClosed = false;
     try {
       String[] cmd = fullCommand.split(" ");
 
@@ -161,13 +168,13 @@ public abstract class SerialConnection {
   }
 
   public void close() {
-    isOpen = false;
+    isClosed = true;
-    isRunning = false;
     lastError = null;
     closeConnection();
   }
 
   protected void closeConnection() {
+    isOpen = false;
     if (serialOutput != null) {
       serialOutput.close();
       serialOutput = null;
@@ -176,11 +183,8 @@ public abstract class SerialConnection {
       serialDumpProcess.destroy();
       serialDumpProcess = null;
     }
-    if (isRunning) {
-      isRunning = false;
     serialClosed();
   }
-  }
 
   protected abstract void serialData(String line);