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diff --git a/os/hal/dox/serial.dox b/os/hal/dox/serial.dox
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+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT 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; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @defgroup SERIAL Serial Driver
+ * @brief Generic Serial Driver.
+ * @details This module implements a generic full duplex serial driver. The
+ * driver implements a @p SerialDriver interface and uses I/O Queues for
+ * communication between the upper and the lower driver. Event flags are used
+ * to notify the application about incoming data, outgoing data and other I/O
+ * events.<br>
+ * The  module also contains functions that make the implementation of the
+ * interrupt service routines much easier.
+ * @pre     In order to use the ADC driver the @p CH_HAL_USE_SERIAL option
+ *          must be enabled in @p halconf.h.
+ *
+ * @ingroup IO
+ */