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diff --git a/examples/lm3s1968/hw/hw_kbd.h b/examples/lm3s1968/hw/hw_kbd.h
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+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \brief LM3S1968 keypad: hardware-specific definitions
+ *
+ * \author Andrea Righi <arighi@develer.com>
+ */
+
+#ifndef HW_KBD_H
+#define HW_KBD_H
+
+#include <cfg/macros.h> /* BV() */
+#include <io/lm3s.h> /* GPIO_PORTG_BASE */
+#include <drv/gpio_lm3s.h> /* lm3s_gpioPinConfig() / lm3s_gpioPinRead() */
+#include "hw/kbd_map.h"
+
+#define K_RPT_MASK (K_UP | K_DOWN | K_LEFT | K_RIGHT | K_OK)
+
+#define KBD_HW_INIT					\
+	do {						\
+		lm3s_gpioPinConfig(GPIO_PORTG_BASE,	\
+			K_RPT_MASK,			\
+			GPIO_DIR_MODE_IN,		\
+			GPIO_STRENGTH_2MA,		\
+			GPIO_PIN_TYPE_STD_WPU);		\
+	} while (0)
+
+/**
+ * Read the keyboard ports and return the mask of depressed keys.
+ */
+INLINE keymask_t kbd_readkeys(void)
+{
+	return ~lm3s_gpioPinRead(GPIO_PORTG_BASE,
+		K_UP | K_DOWN | K_LEFT | K_RIGHT | K_OK);
+}
+
+#endif /* HW_KBD_H */