diff --git a/tools/cooja/apps/mspsim/src/se/sics/cooja/mspmote/interfaces/SkySerial.java b/tools/cooja/apps/mspsim/src/se/sics/cooja/mspmote/interfaces/SkySerial.java
new file mode 100644
index 000000000..392cfe73e
--- /dev/null
+++ b/tools/cooja/apps/mspsim/src/se/sics/cooja/mspmote/interfaces/SkySerial.java
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2007, 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: SkySerial.java,v 1.1 2008/02/11 15:23:37 fros4943 Exp $
+ */
+
+package se.sics.cooja.mspmote.interfaces;
+
+import java.awt.*;
+import java.util.*;
+import javax.swing.*;
+import org.apache.log4j.Logger;
+import org.jdom.Element;
+
+import se.sics.cooja.*;
+import se.sics.mspsim.core.*;
+import se.sics.cooja.interfaces.Log;
+import se.sics.cooja.mspmote.SkyMote;
+
+/**
+ * @author Fredrik Osterlind
+ */
+@ClassDescription("Serial port")
+public class SkySerial extends Log implements USARTListener {
+  private static Logger logger = Logger.getLogger(SkySerial.class);
+
+  private Mote myMote;
+  private String lastLogMessage = "";
+  private String newMessage = "";
+
+  public SkySerial(SkyMote mote) {
+    myMote = mote;
+
+    /* Listen to port writes */
+    IOUnit usart = mote.getCPU().getIOUnit("USART 1");
+    if (usart instanceof USART) {
+      ((USART) usart).setUSARTListener(this);
+    }
+  }
+
+  public String getLastLogMessages() {
+    return lastLogMessage;
+  }
+
+  public void doActionsBeforeTick() {
+  }
+
+  public void doActionsAfterTick() {
+  }
+
+  public JPanel getInterfaceVisualizer() {
+    JPanel panel = new JPanel();
+    panel.setLayout(new BorderLayout());
+    final JTextArea logTextPane = new JTextArea();
+    logTextPane.setOpaque(false);
+    logTextPane.setEditable(false);
+
+    if (getLastLogMessages() == null) {
+      logTextPane.setText("");
+    } else {
+      logTextPane.append(getLastLogMessages());
+    }
+
+    Observer observer;
+    this.addObserver(observer = new Observer() {
+      public void update(Observable obs, Object obj) {
+        logTextPane.append(getLastLogMessages());
+        logTextPane.setCaretPosition(logTextPane.getDocument().getLength());
+      }
+    });
+
+    // Saving observer reference for releaseInterfaceVisualizer
+    panel.putClientProperty("intf_obs", observer);
+
+    JScrollPane scrollPane = new JScrollPane(logTextPane);
+    scrollPane.setPreferredSize(new Dimension(100,100));
+    panel.add(BorderLayout.NORTH, new JLabel("Last log messages:"));
+    panel.add(BorderLayout.CENTER, scrollPane);
+    return panel;
+  }
+
+  public void releaseInterfaceVisualizer(JPanel panel) {
+    Observer observer = (Observer) panel.getClientProperty("intf_obs");
+    if (observer == null) {
+      logger.fatal("Error when releasing panel, observer is null");
+      return;
+    }
+
+    this.deleteObserver(observer);
+  }
+
+  public double energyConsumptionPerTick() {
+    return 0.0;
+  }
+
+  public Collection<Element> getConfigXML() {
+    return null;
+  }
+
+  public void setConfigXML(Collection<Element> configXML, boolean visAvailable) {
+  }
+
+  public void dataReceived(USART source, int data) {
+    newMessage += (char) data;
+    if (data == '\n') {
+      lastLogMessage = newMessage;
+      newMessage = "";
+      this.setChanged();
+      this.notifyObservers(myMote);
+    }
+  }
+
+}