--- /dev/null
+
+#ifndef VIEW_DRONE_ATTITUDE_H
+#define VIEW_DRONE_ATTITUDE_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <sys/time.h>
+#include <math.h>
+#include <gtk/gtk.h>
+
+#define START_BUTTON_DA_SIZE 18
+
+#ifdef USE_ARDRONE_VICON
+#define VICON_BUTTON_DA_SIZE 18
+#endif
+
+void set_control_state(int32_t control_state);
+
+#ifdef USE_ARDRONE_VICON
+void set_vicon_state(int32_t vicon_state);
+#endif
+
+gboolean update_display(gpointer pData);
+
+#endif // VIEW_DRONE_ATTITUDE_H