Feed slowly if FilamentLoadState is unknown

src/logic/feed_to_finda.cpp

@@ -28,6 +28,9 @@ bool FeedToFinda::Step() {
             dbg_logic_sprintf_P(PSTR("Pulley start steps %u"), mm::motion.CurPosition(mm::Pulley));
             state = PushingFilament;
             mm::motion.InitAxis(mm::Pulley);
+            if (mg::globals.FilamentLoaded() == mg::FilamentLoadState::NotLoaded) { // feed slowly filament to PTFE
+                mm::motion.PlanMove<mm::Pulley>(config::filamentMinLoadedToMMU, config::pulleySlowFeedrate);
+            }
             mm::motion.PlanMove<mm::Pulley>(config::feedToFinda, config::pulleyFeedrate);
             mg::globals.SetFilamentLoaded(mg::FilamentLoadState::InSelector);
             mui::userInput.Clear(); // remove all buffered events if any just before we wait for some input

src/modules/globals.h

@@ -11,7 +11,7 @@ namespace globals {
 /// - the firmware depends on the order of these values to check for various situations.
 /// - the unit tests abuse the bitmask-like values to check for multiple situations easily
 enum FilamentLoadState : uint8_t {
-    // NotLoaded = 0, ///< not loaded in the MMU at all @@TODO still need to decide whether this state is of any use to us
+    NotLoaded = 0, ///< not loaded in the MMU at all
     AtPulley = 1, ///< loaded to mmu (idler and pulley can grab it)
     InSelector = 2, ///< 'P1' loaded in selector (i.e. unsure where the filament is while doing some operation)
     InFSensor = 4, ///< 'f1' loaded into printer's filament sensor