diff -r df9b00bda8dc -r 6aaf77798445 tool/CommandRescan.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tool/CommandRescan.cpp	Thu Sep 16 10:16:12 2010 +0200
@@ -0,0 +1,85 @@
+/*****************************************************************************
+ *
+ *  $Id$
+ *
+ *  Copyright (C) 2006-2009  Florian Pose, Ingenieurgemeinschaft IgH
+ *
+ *  This file is part of the IgH EtherCAT Master.
+ *
+ *  The IgH EtherCAT Master is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License version 2, as
+ *  published by the Free Software Foundation.
+ *
+ *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ *  Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with the IgH EtherCAT Master; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *  ---
+ *
+ *  The license mentioned above concerns the source code only. Using the
+ *  EtherCAT technology and brand is only permitted in compliance with the
+ *  industrial property and similar rights of Beckhoff Automation GmbH.
+ *
+ *  vim: expandtab
+ *
+ ****************************************************************************/
+
+#include <sstream>
+#include <iomanip>
+using namespace std;
+
+#include "CommandRescan.h"
+#include "MasterDevice.h"
+
+/*****************************************************************************/
+
+CommandRescan::CommandRescan():
+    Command("rescan", "Rescan the bus.")
+{
+}
+
+/*****************************************************************************/
+
+string CommandRescan::helpString() const
+{
+    stringstream str;
+
+    str << getName() << endl
+        << endl
+        << getBriefDescription() << endl
+        << endl
+        << "Command a bus rescan. Gathered slave information will be" << endl
+        << "forgotten and slaves will be read in again." << endl
+        << endl;
+
+    return str.str();
+}
+
+/****************************************************************************/
+
+void CommandRescan::execute(const StringVector &args)
+{
+	MasterIndexList masterIndices;
+    
+    if (args.size() != 0) {
+        stringstream err;
+        err << "'" << getName() << "' takes no arguments!";
+        throwInvalidUsageException(err);
+    }
+
+	masterIndices = getMasterIndices();
+    MasterIndexList::const_iterator mi;
+    for (mi = masterIndices.begin();
+            mi != masterIndices.end(); mi++) {
+        MasterDevice m(*mi);
+        m.open(MasterDevice::ReadWrite);
+        m.rescan();
+    }
+}
+
+/*****************************************************************************/