Add extra Linear Advance factors (#13490)

Marlin/Configuration_adv.h

@@ -1029,8 +1029,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

Marlin/src/gcode/feature/advance/M900.cpp

@@ -28,45 +28,115 @@
 #include "../../../module/planner.h"
 #include "../../../module/stepper.h"
 
+#if ENABLED(EXTRA_LIN_ADVANCE_K)
+  float saved_extruder_advance_K[EXTRUDERS];
+  uint8_t lin_adv_slot = 0;
+#endif
+
+
 /**
  * M900: Get or Set Linear Advance K-factor
- *
- *  K<factor>   Set advance K factor
+ *  T<tool>     Which tool to address
+ *  K<factor>   Set current advance K factor (Slot 0).
+ *  L<factor>   Set secondary advance K factor (Slot 1). Requires EXTRA_LIN_ADVANCE_K.
+ *  S<0/1>      Activate slot 0 or 1. Requires EXTRA_LIN_ADVANCE_K.
  */
 void GcodeSuite::M900() {
 
   #if EXTRUDERS < 2
     constexpr uint8_t tmp_extruder = 0;
   #else
-    const uint8_t tmp_extruder = parser.seenval('T') ? parser.value_int() : active_extruder;
+    const uint8_t tmp_extruder = parser.intval('T', active_extruder);
     if (tmp_extruder >= EXTRUDERS) {
       SERIAL_ECHOLNPGM("?T value out of range.");
       return;
     }
   #endif
 
-  if (parser.seenval('K')) {
-    const float newK = parser.floatval('K');
-    if (WITHIN(newK, 0, 10)) {
-      planner.synchronize();
-      planner.extruder_advance_K[tmp_extruder] = newK;
+  #if ENABLED(EXTRA_LIN_ADVANCE_K)
+
+    bool ext_slot = bitRead(lin_adv_slot, tmp_extruder);
+
+    if (parser.seenval('S')) {
+      const bool slot = parser.value_bool();
+      if (ext_slot != slot) {
+        ext_slot = slot;
+        bitWrite(lin_adv_slot, tmp_extruder, slot);
+        planner.synchronize();
+        const float temp = planner.extruder_advance_K[tmp_extruder];
+        planner.extruder_advance_K[tmp_extruder] = saved_extruder_advance_K[tmp_extruder];
+        saved_extruder_advance_K[tmp_extruder] = temp;
+      }
     }
-    else
-      SERIAL_ECHOLNPGM("?K value out of range (0-10).");
-  }
-  else {
-    SERIAL_ECHO_START();
-    #if EXTRUDERS < 2
-      SERIAL_ECHOLNPAIR("Advance K=", planner.extruder_advance_K[0]);
-    #else
-      SERIAL_ECHOPGM("Advance K");
-      LOOP_L_N(i, EXTRUDERS) {
-        SERIAL_CHAR(' '); SERIAL_ECHO(int(i));
-        SERIAL_CHAR('='); SERIAL_ECHO(planner.extruder_advance_K[i]);
+
+    if (parser.seenval('K')) {
+      const float newK = parser.value_float();
+      if (WITHIN(newK, 0, 10)) {
+        if (ext_slot)
+          saved_extruder_advance_K[tmp_extruder] = newK;
+        else {
+          planner.synchronize();
+          planner.extruder_advance_K[tmp_extruder] = newK;
+        }
       }
-      SERIAL_EOL();
-    #endif
-  }
+      else
+        SERIAL_ECHOLNPGM("?K value out of range (0-10).");
+    }
+
+    if (parser.seenval('L')) {
+      const float newL = parser.value_float();
+      if (WITHIN(newL, 0, 10)) {
+        if (!ext_slot)
+          saved_extruder_advance_K[tmp_extruder] = newL;
+        else {
+          planner.synchronize();
+          planner.extruder_advance_K[tmp_extruder] = newL;
+        }
+      }
+      else
+        SERIAL_ECHOLNPGM("?L value out of range (0-10).");
+    }
+
+    if (!parser.seen_any()) {
+      #if EXTRUDERS < 2
+        SERIAL_ECHOLNPAIR("Advance S", ext_slot, " K", planner.extruder_advance_K[0]);
+        SERIAL_ECHOLNPAIR("(Slot ", 1 - ext_slot, " K", saved_extruder_advance_K[0], ")");
+      #else
+        LOOP_L_N(i, EXTRUDERS) {
+          const int slot = (int)bitRead(lin_adv_slot, i);
+          SERIAL_ECHOLNPAIR("Advance T", int(i), " S", slot, " K", planner.extruder_advance_K[i]);
+          SERIAL_ECHOLNPAIR("(Slot ", 1 - slot, " K", saved_extruder_advance_K[i], ")");
+          SERIAL_EOL();
+        }
+      #endif
+    }
+
+  #else
+
+    if (parser.seenval('K')) {
+      const float newK = parser.value_float();
+      if (WITHIN(newK, 0, 10)) {
+        planner.synchronize();
+        planner.extruder_advance_K[tmp_extruder] = newK;
+      }
+      else
+        SERIAL_ECHOLNPGM("?K value out of range (0-10).");
+    }
+    else {
+      SERIAL_ECHO_START();
+      #if EXTRUDERS < 2
+        SERIAL_ECHOLNPAIR("Advance K=", planner.extruder_advance_K[0]);
+      #else
+        SERIAL_ECHOPGM("Advance K");
+        LOOP_L_N(i, EXTRUDERS) {
+          SERIAL_CHAR(' '); SERIAL_ECHO(int(i));
+          SERIAL_CHAR('='); SERIAL_ECHO(planner.extruder_advance_K[i]);
+        }
+        SERIAL_EOL();
+      #endif
+    }
+
+  #endif
 }
 
 #endif // LIN_ADVANCE

Marlin/src/module/configuration_store.cpp

@@ -86,6 +86,10 @@
 
 #include "../feature/pause.h"
 
+#if ENABLED(EXTRA_LIN_ADVANCE_K)
+extern float saved_extruder_advance_K[EXTRUDERS];
+#endif
+
 #if EXTRUDERS > 1
   #include "tool_change.h"
   void M217_report(const bool eeprom);
@@ -2233,7 +2237,12 @@ void MarlinSettings::reset() {
   //
 
   #if ENABLED(LIN_ADVANCE)
-    LOOP_L_N(i, EXTRUDERS) planner.extruder_advance_K[i] = LIN_ADVANCE_K;
+    LOOP_L_N(i, EXTRUDERS) {
+      planner.extruder_advance_K[i] = LIN_ADVANCE_K;
+    #if ENABLED(EXTRA_LIN_ADVANCE_K)
+      saved_extruder_advance_K[i] = LIN_ADVANCE_K;
+    #endif
+    }
   #endif
 
   //

config/default/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/3DFabXYZ/Migbot/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/AlephObjects/TAZ4/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/AliExpress/UM2pExt/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Anet/A2/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Anet/A2plus/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Anet/A6/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Anet/A8/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/AnyCubic/i3/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/ArmEd/Configuration_adv.h

@@ -1036,8 +1036,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/BIBO/TouchX/cyclops/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/BIBO/TouchX/default/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/BQ/Hephestos/Configuration_adv.h

@@ -1029,8 +1029,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/BQ/Hephestos_2/Configuration_adv.h

@@ -1037,8 +1037,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/BQ/WITBOX/Configuration_adv.h

@@ -1029,8 +1029,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Cartesio/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Creality/CR-10/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Creality/CR-10S/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Creality/CR-10_5S/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Creality/CR-10mini/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Creality/CR-8/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Creality/Ender-2/Configuration_adv.h

@@ -1029,8 +1029,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Creality/Ender-3/Configuration_adv.h

@@ -1029,8 +1029,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Creality/Ender-4/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Einstart-S/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Felix/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/FlashForge/CreatorPro/Configuration_adv.h

@@ -1028,8 +1028,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/FolgerTech/i3-2020/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Formbot/Raptor/Configuration_adv.h

@@ -1034,8 +1034,9 @@
   #define LIN_ADVANCE
 #endif
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Formbot/T_Rex_2+/Configuration_adv.h

@@ -1036,8 +1036,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Formbot/T_Rex_3/Configuration_adv.h

@@ -1036,8 +1036,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Geeetech/A10M/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Geeetech/A20M/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 #define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 #define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Infitary/i3-M508/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/JGAurora/A5/Configuration_adv.h

@@ -1029,8 +1029,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/MakerParts/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Malyan/M150/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Malyan/M200/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Micromake/C1/enhanced/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Mks/Robin/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Mks/Sbase/Configuration_adv.h

@@ -1033,8 +1033,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/RapideLite/RL200/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/RigidBot/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/SCARA/Configuration_adv.h

@@ -1029,8 +1029,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Sanguinololu/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/TheBorg/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/TinyBoy2/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Tronxy/X3A/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Tronxy/X5S-2E/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/UltiMachine/Archim1/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/UltiMachine/Archim2/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/VORONDesign/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Velleman/K8200/Configuration_adv.h

@@ -1045,8 +1045,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Velleman/K8400/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/WASP/PowerWASP/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/Wanhao/Duplicator 6/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 #define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0     // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.00    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/Anycubic/Kossel/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/FLSUN/kossel/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/MKS/SBASE/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/Tevo Little Monster/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/generic/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/kossel_mini/Configuration_adv.h

@@ -1030,8 +1030,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/delta/kossel_xl/Configuration_adv.h

@@ -1031,8 +1031,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/gCreate/gMax1.5+/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/makibox/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/tvrrug/Round2/Configuration_adv.h

@@ -1032,8 +1032,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling

config/examples/wt150/Configuration_adv.h

@@ -1033,8 +1033,9 @@
  */
 //#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  #define LIN_ADVANCE_K 0.22  // Unit: mm compression per 1mm/s extruder speed
-  //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
+  //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
 // @section leveling