--- a/master/master.h	Thu Apr 20 14:34:58 2006 +0000
+++ b/master/master.h	Fri Apr 21 12:35:17 2006 +0000
@@ -6,6 +6,23 @@
  *
  *  $Id$
  *
+ *  Copyright (C) 2006  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
+ *  as published by the Free Software Foundation; version 2 of the License.
+ *
+ *  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
+ *
  *****************************************************************************/
 
 #ifndef _EC_MASTER_H_
@@ -21,6 +38,14 @@
 /*****************************************************************************/
 
 /**
+   \defgroup Master EtherCAT master
+   Data types and functions of the EtherCAT master.
+   \{
+*/
+
+/*****************************************************************************/
+
+/**
    EtherCAT master mode.
 */
 
@@ -80,6 +105,8 @@
     ec_master_mode_t mode; /**< master mode */
 };
 
+/** \} */
+
 /*****************************************************************************/
 
 // master creation and deletion