message type updates

aerpaw/MESSAGE_TYPE.m

@@ -0,0 +1,9 @@
+classdef MESSAGE_TYPE < uint8
+    enumeration
+        TARGET  (1)  % Server->Client: target coordinates follow (3 doubles)
+        ACK     (2)  % Client->Server: command received
+        READY   (3)  % Both: ready for next command / mission complete
+        RTL     (4)  % Server->Client: return to launch
+        LAND    (5)  % Server->Client: land now
+    end
+end