Adaptive multiaxis step smoothing

- Stepper bugs fixed
- Support MIXING_EXTRUDER with Linear Advance
- Miscellaneous cleanup

Marlin/src/config/default/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 4, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Anet/A6/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Anet/A8/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Azteeg/X5GT/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Cartesio/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Felix/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/MakerParts/Configuration.h

@@ -631,7 +631,7 @@
  * Override with M201
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4]]]]
  */
-#define DEFAULT_MAX_ACCELERATION        { MAX_XYAXIS_ACCEL, MAX_XYAXIS_ACCEL, 100, 200 }
+#define DEFAULT_MAX_ACCELERATION        { MAX_XYAXIS_ACCEL, MAX_XYAXIS_ACCEL, 10, 200 }
 
 /**
  * Default Acceleration (change/s) change = mm/s

Marlin/src/config/examples/MakerParts/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Malyan/M150/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Malyan/M200/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/RigidBot/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/SCARA/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Sanguinololu/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/TheBorg/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/TinyBoy2/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h

@@ -453,6 +453,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -452,6 +452,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -452,6 +452,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -452,6 +452,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/delta/generic/Configuration_adv.h

@@ -452,6 +452,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h

@@ -452,6 +452,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/delta/kossel_pro/Configuration_adv.h

@@ -457,6 +457,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h

@@ -452,6 +452,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

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

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/makibox/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]
 

Marlin/src/config/examples/wt150/Configuration_adv.h

@@ -450,6 +450,14 @@
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 
+/**
+ * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
+ * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
+ * lowest stepping frequencies.
+ */
+//#define ADAPTIVE_STEP_SMOOTHING
+
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES { 16, 16, 16, 16, 16 } // [1,2,4,8,16]