Rover: Add manual mode to MIS_DONE_BEHAVIOR

Rover/Parameters.cpp

@@ -589,7 +589,7 @@ const AP_Param::GroupInfo ParametersG2::var_info[] = {
     // @Param: MIS_DONE_BEHAVE
     // @DisplayName: Mission done behave
     // @Description: Behaviour after mission completes
-    // @Values: 0:Hold,1:Loiter,2:Acro
+    // @Values: 0:Hold,1:Loiter,2:Acro,3:Manual
     // @User: Standard
     AP_GROUPINFO("MIS_DONE_BEHAVE", 38, ParametersG2, mis_done_behave, 0),
 

Rover/mode.h

@@ -327,7 +327,8 @@ private:
     enum Mis_Done_Behave {
         MIS_DONE_BEHAVE_HOLD      = 0,
         MIS_DONE_BEHAVE_LOITER    = 1,
-        MIS_DONE_BEHAVE_ACRO      = 2
+        MIS_DONE_BEHAVE_ACRO      = 2,
+        MIS_DONE_BEHAVE_MANUAL    = 3
     };
 
     bool auto_triggered;        // true when auto has been triggered to start

Rover/mode_auto.cpp

@@ -449,6 +449,10 @@ void ModeAuto::exit_mission()
         return;
     }
 
+    if (g2.mis_done_behave == MIS_DONE_BEHAVE_MANUAL && rover.set_mode(rover.mode_manual, ModeReason::MISSION_END)) {
+        return;
+    }
+
     start_stop();
 }