Improvement: M600

Author: huang-w-y

Marlin/src/Marlin.cpp

@@ -532,6 +532,7 @@ void disable_all_steppers() {
         enqueue_and_echo_commands_P(PSTR(FILAMENT_RUNOUT_SCRIPT));
     #else
       systemservice.PauseTrigger(TRIGGER_SOURCE_RUNOUT);
+      RunoutResponseDelayed::modify_runout_distance_mm(FILAMENT_RUNOUT_DISTANCE_MM);
     #endif
   }
 

Marlin/src/feature/runout.h

@@ -384,6 +384,14 @@ class FilamentSensorBase {
         #endif
       }
 
+      static inline void modify_runout_distance_mm(float distance) {
+        #if EXTRUDERS > 1
+          runout_mm_countdown[actual_extruder] = runout_distance_mm = distance;
+        #else
+          runout_mm_countdown[active_extruder] = runout_distance_mm = distance;
+        #endif
+      }
+
       static inline bool has_run_out() {
         return runout_mm_countdown[active_extruder] < 0;
       }

Marlin/src/gcode/feature/pause/M600.cpp

@@ -159,13 +159,18 @@ void GcodeSuite::M600() {
 #else
 #include "../../../gcode/gcode.h"
 #include "../snapmaker/src/module/toolhead_3dp.h"
+#include "../../../feature/runout.h"
 void GcodeSuite::M600() {
+  planner.synchronize();
+  if (systemservice.GetCurrentStatus() == SYSTAT_WORK) {
+    RunoutResponseDelayed::modify_runout_distance_mm(0.001);
+  }
+  
   #if EXTRUDERS > 1
     printer1->ResetFilamentState(0, actual_extruder);
   #else
     printer1->ResetFilamentState(0, active_extruder);
   #endif
-  event_filament_runout();
 }
 
 #endif // ADVANCED_PAUSE_FEATURE

Marlin/src/inc/Version.h

@@ -38,7 +38,7 @@
   /**
    * Marlin release version identifier
    */
-  #define SHORT_BUILD_VERSION "SM2-5.2.0"
+  #define SHORT_BUILD_VERSION "SM2-5.2.1"
 
   /**
    * Verbose version identifier which should contain a reference to the location
@@ -51,7 +51,7 @@
    * here we define this default string as the date where the latest release
    * version was tagged.
    */
-  #define STRING_DISTRIBUTION_DATE "2024-1113"
+  #define STRING_DISTRIBUTION_DATE "2024-1216"
 
   /**
    * Required minimum Configuration.h and Configuration_adv.h file versions.

snapmaker/src/service/system.cpp

@@ -507,6 +507,7 @@ ErrCode SystemService::ResumeOver() {
   switch (ModuleBase::toolhead()) {
   case MODULE_TOOLHEAD_3DP:
   case MODULE_TOOLHEAD_DUALEXTRUDER:
+    RunoutResponseDelayed::modify_runout_distance_mm(FILAMENT_RUNOUT_DISTANCE_MM);
     if (runout.is_filament_runout()) {
       LOG_E("No filemant! Please insert filemant!\n");
       PauseTrigger(TRIGGER_SOURCE_RUNOUT);