--- /dev/null
+/*
+ * control_ack.h
+ * ARDroneEngine
+ *
+ * Created by Mykonos on 25/03/10.
+ * Copyright 2010 Parrot SA. All rights reserved.
+ *
+ */
+#ifndef _PARROT_CONTROL_ACK_H_
+#define _PARROT_CONTROL_ACK_H_
+#include <ardrone_api.h>
+
+void control_ack_init(void);
+
+bool_t control_ack_configure_navdata_demo(bool_t navdata_demo);
+
+#endif // _PARROT_CONTROL_ACK_H_