Some M600 and Filament Runout Fixes.

Marlin/src/lcd/anycubic_touchscreen.cpp

@@ -237,10 +237,12 @@ void AnycubicTouchscreenClass::Setup() {
 
   #if ENABLED(ANYCUBIC_FILAMENT_RUNOUT_SENSOR)
     if ((READ(FILAMENT_RUNOUT_PIN) == true) && FilamentSensorEnabled) {
+      /*
       #ifndef ANYCUBIC_TFT_DEBUG
         HARDWARE_SERIAL_PROTOCOLPGM("J15"); //J15 FILAMENT LACK
         HARDWARE_SERIAL_ENTER();
       #endif
+      */
       #ifdef ANYCUBIC_TFT_DEBUG
         SERIAL_ECHOLNPGM("TFT Serial Debug: Filament runout... J15");
       #endif
@@ -1394,6 +1396,15 @@ void AnycubicTouchscreenClass::StateHandler() {
   }
 }
 
+
+/*
+ * TODO: Refactoring of the filamentsensor-Stuff.
+ * 
+ * Every cycle a timer should be reset if the sensor reads "filament is present"
+ * If the timer is not reset within a period of time, the filament runout state
+ * should be triggered.
+ */
+
 void AnycubicTouchscreenClass::FilamentRunout() {
   if (FilamentSensorEnabled == true) {
     #if ENABLED(ANYCUBIC_FILAMENT_RUNOUT_SENSOR)