add control modes h file

src/px4_connection/include/drone_control_modes.h

@@ -0,0 +1,15 @@
+#ifndef DRONE_CONTROL_MODES_H
+#define DRONE_CONTROL_MODES_H
+
+#define CONTROL_MODE_ATTITUDE 1
+#define CONTROL_MODE_VELOCITY 2
+#define CONTROL_MODE_POSITION 3
+
+#define CONTROL_ACTUATOR_POS 0
+#define CONTROL_BODY_RATE_POS 1
+#define CONTROL_ATTITUDE_POS 2
+#define CONTROL_ACCELERATION_POS 3
+#define CONTROL_VELOCITY_POS 4
+#define CONTROL_POSITION_POS 5
+
+#endif