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+#ifndef lcd_h
+#define lcd_h
+// lcd.h
+// es - Input/Output general purpose board. {{{
+//
+// Copyright (C) 2006 Dufour Jérémy
+//
+// Robot APB Team/Efrei 2004.
+// Web: http://assos.efrei.fr/robot/
+// Email: robot AT efrei DOT fr
+//
+// This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// }}}
+/** Communication with the LCD card. */
+
+#include "common.h"
+
+#define TWI_LCD_ADDR 0x02
+
+/* Init communication with the LCD. */
+void lcd_init (void);
+
+/* Print something on the LCD */
+inline void lcd_print (uint8_t *string, uint8_t size);
+
+/* What key is pressed into the LCD keyboard ? */
+uint8_t lcd_key (void);
+
+/* Tell the LCD we have seen the Grub ! */
+void lcd_grub_booting (void);
+
+#endif // lcd_h