#define WP_YAW_BEHAVIOR_NONE 0 // auto pilot will never control yaw during missions or rtl (except for DO_CONDITIONAL_YAW command received)
#define WP_YAW_BEHAVIOR_LOOK_AT_NEXT_WP 1 // auto pilot will face next waypoint or home during rtl
#define WP_YAW_BEHAVIOR_LOOK_AT_NEXT_WP_EXCEPT_RTL 2 // auto pilot will face next waypoint except when doing RTL at which time it will stay in it's last
#define WP_YAW_BEHAVIOR_LOOK_AHEAD 3 // auto pilot will look ahead during missions and rtl (primarily meant for traditional helicotpers)
#define WP_YAW_BEHAVIOR_LOOK_AHEAD 3 // auto pilot will look ahead during missions and rtl (primarily meant for traditional helicopters)