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diff --git a/digital/asserv/src/asserv/pos.h b/digital/asserv/src/asserv/pos.h
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+#ifndef pos_h
+#define pos_h
+/* pos.h */
+/* asserv - Position & speed motor control on AVR. {{{
+ *
+ * Copyright (C) 2008 Nicolas Schodet
+ *
+ * APBTeam:
+ * Web: http://apbteam.org/
+ * Email: team AT apbteam DOT org
+ *
+ * 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.
+ *
+ * }}} */
+
+extern uint32_t pos_theta_cur, pos_alpha_cur;
+extern uint32_t pos_theta_cons, pos_alpha_cons;
+
+extern int32_t pos_e_sat;
+extern int32_t pos_int_sat;
+extern uint16_t pos_theta_kp, pos_alpha_kp;
+extern uint16_t pos_theta_ki, pos_alpha_ki;
+extern uint16_t pos_theta_kd, pos_alpha_kd;
+extern int32_t pos_blocked;
+
+extern int32_t pos_theta_int, pos_alpha_int;
+extern int32_t pos_theta_e_old, pos_alpha_e_old;
+
+void
+pos_update (void);
+
+void
+pos_reset (void);
+
+#endif /* pos_h */