✨ VOLUMETRIC_EXTRUDER_LIMIT_MAX (MarlinFirmware#25884)

Author: GMagician

Marlin/Configuration_adv.h

@@ -3650,7 +3650,8 @@
      * Use 'M200 [T<extruder>] L<limit>' to override and 'M502' to reset.
      * A non-zero value activates Volume-based Extrusion Limiting.
      */
-    #define DEFAULT_VOLUMETRIC_EXTRUDER_LIMIT 0.00      // (mm^3/sec)
+    #define DEFAULT_VOLUMETRIC_EXTRUDER_LIMIT  0.00     // (mm^3/sec)
+    #define VOLUMETRIC_EXTRUDER_LIMIT_MAX     20        // (mm^3/sec)
   #endif
 #endif
 

Marlin/src/gcode/config/M200-M205.cpp

@@ -64,10 +64,10 @@
       if (parser.seenval('L')) {
         // Set volumetric limit (in mm^3/sec)
         const float lval = parser.value_float();
-        if (WITHIN(lval, 0, 20))
+        if (WITHIN(lval, 0, VOLUMETRIC_EXTRUDER_LIMIT_MAX))
           planner.set_volumetric_extruder_limit(target_extruder, lval);
         else
-          SERIAL_ECHOLNPGM("?L value out of range (0-20).");
+          SERIAL_ECHOLNPGM("?L value out of range (0-" STRINGIFY(VOLUMETRIC_EXTRUDER_LIMIT_MAX) ").");
       }
     #endif
 

Marlin/src/lcd/menu/menu_advanced.cpp

@@ -120,10 +120,10 @@ void menu_backlash();
       EDIT_ITEM(bool, MSG_VOLUMETRIC_ENABLED, &parser.volumetric_enabled, planner.calculate_volumetric_multipliers);
 
       #if ENABLED(VOLUMETRIC_EXTRUDER_LIMIT)
-        EDIT_ITEM_FAST(float42_52, MSG_VOLUMETRIC_LIMIT, &planner.volumetric_extruder_limit[active_extruder], 0.0f, 20.0f, planner.calculate_volumetric_extruder_limits);
+        EDIT_ITEM_FAST(float42_52, MSG_VOLUMETRIC_LIMIT, &planner.volumetric_extruder_limit[active_extruder], 0.0f, float(VOLUMETRIC_EXTRUDER_LIMIT_MAX), planner.calculate_volumetric_extruder_limits);
         #if HAS_MULTI_EXTRUDER
           EXTRUDER_LOOP()
-            EDIT_ITEM_FAST_N(float42_52, e, MSG_VOLUMETRIC_LIMIT_E, &planner.volumetric_extruder_limit[e], 0.0f, 20.00f, planner.calculate_volumetric_extruder_limits);
+            EDIT_ITEM_FAST_N(float42_52, e, MSG_VOLUMETRIC_LIMIT_E, &planner.volumetric_extruder_limit[e], 0.0f, float(VOLUMETRIC_EXTRUDER_LIMIT_MAX), planner.calculate_volumetric_extruder_limits);
         #endif
       #endif