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+#ifndef dsp_h
+#define dsp_h
+/* dsp.h */
+/* asserv - Position & speed motor control on a ATmega128. {{{
+ *
+ * Copyright (C) 2004 Nicolas Schodet
+ *
+ * Robot APB Team/Efrei 2005.
+ * 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.
+ *
+ * }}} */
+
+#include <inttypes.h>
+
+/* +AutoDec */
+
+/** Add two signed words and saturate. UNTESTED. */
+extern inline int16_t
+dsp_add_sat_i16i16 (int16_t a, int16_t b);
+
+/** Multiply signed 16 by fixed 8.8. */
+extern inline int16_t
+dsp_mul_i16f88 (int16_t a, uint16_t b);
+
+/* -AutoDec */
+
+#include "dsp.c"
+
+#endif /* dsp_h */