Merge pull request #10858 from thinkyhead/bf2_rename_some_options

[2.0.x] Rename and document some configuration options

.travis.yml

@@ -453,7 +453,7 @@ script:
   - export TEST_PLATFORM="-e DUE"
   - restore_configs
   - opt_set MOTHERBOARD BOARD_RAMPS4DUE_EFB
-  - opt_set BEZIER_JERK_CONTROL
+  - opt_set S_CURVE_ACCELERATION
   - cp Marlin/Configuration.h Marlin/src/config/default/Configuration.h
   - cp Marlin/Configuration_adv.h Marlin/src/config/default/Configuration_adv.h
   - build_marlin_pio ${TRAVIS_BUILD_DIR} ${TEST_PLATFORM}

Marlin/Configuration.h

@@ -639,15 +639,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/Configuration_adv.h

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/default/Configuration.h

@@ -639,15 +639,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/src/config/default/Configuration_adv.h

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -658,15 +658,14 @@
 #define DEFAULT_EJERK                 10.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/examples/AliExpress/CL-260/Configuration.h

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -686,15 +686,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -645,15 +645,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -626,15 +626,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -639,15 +639,14 @@
 #define DEFAULT_EJERK                  1.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -626,15 +626,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -637,15 +637,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -648,15 +648,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -657,15 +657,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -648,15 +648,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -642,15 +642,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -642,15 +642,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -648,15 +648,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -620,15 +620,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/examples/Felix/DUAL/Configuration.h

@@ -620,15 +620,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -644,15 +644,14 @@
 #define DEFAULT_EJERK                  4.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/examples/Geeetech/GT2560/Configuration.h

@@ -653,15 +653,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  4.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h

@@ -653,15 +653,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h

@@ -653,15 +653,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -642,15 +642,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -650,15 +650,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -658,15 +658,14 @@
 #define DEFAULT_EJERK                  8.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -658,15 +658,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -637,15 +637,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/examples/Micromake/C1/basic/Configuration.h

@@ -642,15 +642,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -642,15 +642,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/examples/RepRapPro/Huxley/Configuration.h

@@ -678,15 +678,14 @@ Black rubber belt(MXL), 18 - tooth aluminium pulley : 87.489 step per mm (Huxley
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -636,15 +636,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -651,15 +651,14 @@
 #define DEFAULT_EJERK                  3.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/examples/STM32F10/Configuration.h

@@ -640,15 +640,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/src/config/examples/STM32F4/Configuration.h

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -669,15 +669,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -689,15 +689,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/examples/Tronxy/X1/Configuration.h

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/src/config/examples/Tronxy/X5S/Configuration.h

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/src/config/examples/Tronxy/XY100/Configuration.h

@@ -649,15 +649,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -667,15 +667,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -449,8 +449,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                 20.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                 20.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -648,15 +648,14 @@
 #define DEFAULT_EJERK                  1.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -446,8 +446,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

Marlin/src/config/examples/adafruit/ST7565/Configuration.h

@@ -638,15 +638,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -720,15 +720,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -448,8 +448,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -720,15 +720,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

@@ -448,8 +448,8 @@
 //
 //#define JUNCTION_DEVIATION
 #if ENABLED(JUNCTION_DEVIATION)
-  #define JUNCTION_DEVIATION_FACTOR 0.05
+  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
-  #define JUNCTION_ACCELERATION_FACTOR 1000
+  #define JUNCTION_ACCELERATION 1000  // (mm/s²) Maximum centripetal acceleration
   //#define JUNCTION_DEVIATION_INCLUDE_E
 #endif
 

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

@@ -720,15 +720,14 @@
 #define DEFAULT_EJERK                  5.0
 
 /**
- * Realtime Jerk Control
+ * S-Curve Acceleration
  *
  * This option eliminates vibration during printing by fitting a Bézier
  * curve to move acceleration, producing much smoother direction changes.
- * Because this is computationally-intensive, a 32-bit MCU is required.
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define BEZIER_JERK_CONTROL
+//#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================