msg: first draft of vehicle_constraints message

msg/CMakeLists.txt

@@ -132,6 +132,7 @@ set(msg_files
 	vehicle_status_flags.msg
 	vtol_vehicle_status.msg
 	wind_estimate.msg
+	vehicle_constraints.msg
 	)
 
 if(NOT EXTERNAL_MODULES_LOCATION STREQUAL "")

msg/vehicle_constraints.msg

@@ -0,0 +1,8 @@
+# Local setpoint constraints in NED frame
+# setting something to NaN means that no limit is provided
+
+float32 yawspeed	# in radians/sec
+float32 speed_xy	# in meters/sec
+float32 speed_up	# in meters/sec
+float32 speed_down	# in meters/sec
+float32 tilt    # in radians [-Pi, Pi]