Remove legacy ADVANCE feature

Marlin/Conditionals_post.h

@@ -227,13 +227,8 @@
   #define MICROSTEP16 HIGH,HIGH
 
   /**
-   * Advance calculated values
+   * Override here because this is set in Configuration_adv.h
    */
-  #if ENABLED(ADVANCE)
-    #define EXTRUSION_AREA (0.25 * (D_FILAMENT) * (D_FILAMENT) * M_PI)
-    #define STEPS_PER_CUBIC_MM_E (axis_steps_per_mm[E_AXIS_N] / (EXTRUSION_AREA))
-  #endif
-
   #if ENABLED(ULTIPANEL) && DISABLED(ELB_FULL_GRAPHIC_CONTROLLER)
     #undef SD_DETECT_INVERTED
   #endif

Marlin/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/SanityCheck.h

@@ -208,6 +208,8 @@
   #error "CONTROLLERFAN_PIN is now CONTROLLER_FAN_PIN, enabled with USE_CONTROLLER_FAN. Please update your Configuration_adv.h."
 #elif defined(MIN_RETRACT)
   #error "MIN_RETRACT is now MIN_AUTORETRACT and MAX_AUTORETRACT. Please update your Configuration_adv.h."
+#elif defined(ADVANCE)
+  #error "ADVANCE was removed in Marlin 1.1.6. Please use LIN_ADVANCE."
 #endif
 
 /**
@@ -816,13 +818,6 @@ static_assert(1 >= 0
 #endif // DISABLE_[XYZ]
 
 /**
- * Advance Extrusion
- */
-#if ENABLED(ADVANCE) && ENABLED(LIN_ADVANCE)
-  #error "You can enable ADVANCE or LIN_ADVANCE, but not both."
-#endif
-
-/**
  * Filament Width Sensor
  */
 #if ENABLED(FILAMENT_WIDTH_SENSOR) && !HAS_FILAMENT_WIDTH_SENSOR

Marlin/example_configurations/AlephObjects/TAZ4/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Anet/A6/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Anet/A8/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/BQ/Hephestos/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 1.75
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/BQ/Hephestos_2/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/BQ/WITBOX/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 1.75
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Cartesio/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Creality/CR-10/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Felix/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Folger Tech/i3-2020/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Infitary/i3-M508/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Malyan/M150/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/RigidBot/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 1.75
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/SCARA/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 1.75
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Sanguinololu/Configuration_adv.h

@@ -603,20 +603,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/TinyBoy2/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Velleman/K8200/Configuration_adv.h

@@ -627,20 +627,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/Velleman/K8400/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration_adv.h

@@ -616,20 +616,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration_adv.h

@@ -616,20 +616,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/delta/generic/Configuration_adv.h

@@ -616,20 +616,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

@@ -616,20 +616,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

@@ -621,20 +621,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

@@ -616,20 +616,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/gCreate/gMax1.5+/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/makibox/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/example_configurations/wt150/Configuration_adv.h

@@ -614,20 +614,6 @@
 
 // @section extruder
 
-// extruder advance constant (s2/mm3)
-//
-// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
-//
-// Hooke's law says:    force = k * distance
-// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
-// so: v ^ 2 is proportional to number of steps we advance the extruder
-//#define ADVANCE
-
-#if ENABLED(ADVANCE)
-  #define EXTRUDER_ADVANCE_K .0
-  #define D_FILAMENT 2.85
-#endif
-
 /**
  * Implementation of linear pressure control
  *

Marlin/planner.cpp

@@ -211,10 +211,6 @@ void Planner::calculate_trapezoid_for_block(block_t* const block, const float &e
     block->decelerate_after = accelerate_steps + plateau_steps;
     block->initial_rate = initial_rate;
     block->final_rate = final_rate;
-    #if ENABLED(ADVANCE)
-      block->initial_advance = block->advance * sq(entry_factor);
-      block->final_advance = block->advance * sq(exit_factor);
-    #endif
   }
   CRITICAL_SECTION_END;
 }
@@ -1405,27 +1401,7 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
         * axis_steps_per_mm[E_AXIS_N] * 256.0
       );
 
-  #elif ENABLED(ADVANCE)
-
-    // Calculate advance rate
-    if (esteps && (block->steps[X_AXIS] || block->steps[Y_AXIS] || block->steps[Z_AXIS])) {
-      const long acc_dist = estimate_acceleration_distance(0, block->nominal_rate, block->acceleration_steps_per_s2);
-      const float advance = ((STEPS_PER_CUBIC_MM_E) * (EXTRUDER_ADVANCE_K)) * HYPOT(current_speed[E_AXIS], EXTRUSION_AREA) * 256;
-      block->advance = advance;
-      block->advance_rate = acc_dist ? advance / (float)acc_dist : 0;
-    }
-    else
-      block->advance_rate = block->advance = 0;
-
-    /**
-     SERIAL_ECHO_START();
-     SERIAL_ECHOPGM("advance :");
-     SERIAL_ECHO(block->advance/256.0);
-     SERIAL_ECHOPGM("advance rate :");
-     SERIAL_ECHOLN(block->advance_rate/256.0);
-     */
-
-  #endif // ADVANCE or LIN_ADVANCE
+  #endif // LIN_ADVANCE
 
   calculate_trapezoid_for_block(block, block->entry_speed / block->nominal_speed, safe_speed / block->nominal_speed);
 

Marlin/planner.h

@@ -96,11 +96,6 @@ typedef struct {
   #if ENABLED(LIN_ADVANCE)
     bool use_advance_lead;
     uint32_t abs_adv_steps_multiplier8; // Factorised by 2^8 to avoid float
-  #elif ENABLED(ADVANCE)
-    int32_t advance_rate;
-    volatile int32_t initial_advance;
-    volatile int32_t final_advance;
-    float advance;
   #endif
 
   // Fields used by the motion planner to manage acceleration

Marlin/stepper.cpp

@@ -97,7 +97,7 @@ long Stepper::counter_X = 0,
 
 volatile uint32_t Stepper::step_events_completed = 0; // The number of step events executed in the current block
 
-#if ENABLED(ADVANCE) || ENABLED(LIN_ADVANCE)
+#if ENABLED(LIN_ADVANCE)
 
   constexpr uint16_t ADV_NEVER = 65535;
 
@@ -105,18 +105,10 @@ volatile uint32_t Stepper::step_events_completed = 0; // The number of step even
            Stepper::nextAdvanceISR = ADV_NEVER,
            Stepper::eISR_Rate = ADV_NEVER;
 
-  #if ENABLED(LIN_ADVANCE)
-    volatile int Stepper::e_steps[E_STEPPERS];
-    int Stepper::final_estep_rate,
-        Stepper::current_estep_rate[E_STEPPERS],
-        Stepper::current_adv_steps[E_STEPPERS];
-  #else
-    long Stepper::e_steps[E_STEPPERS],
-         Stepper::final_advance = 0,
-         Stepper::old_advance = 0,
-         Stepper::advance_rate,
-         Stepper::advance;
-  #endif
+  volatile int Stepper::e_steps[E_STEPPERS];
+  int Stepper::final_estep_rate,
+      Stepper::current_estep_rate[E_STEPPERS],
+      Stepper::current_adv_steps[E_STEPPERS];
 
   /**
    * See https://github.com/MarlinFirmware/Marlin/issues/5699#issuecomment-309264382
@@ -133,7 +125,7 @@ volatile uint32_t Stepper::step_events_completed = 0; // The number of step even
     return ADV_NEVER;
   }
 
-#endif // ADVANCE || LIN_ADVANCE
+#endif // LIN_ADVANCE
 
 long Stepper::acceleration_time, Stepper::deceleration_time;
 
@@ -325,7 +317,7 @@ void Stepper::set_directions() {
     SET_STEP_DIR(Z); // C
   #endif
 
-  #if DISABLED(ADVANCE) && DISABLED(LIN_ADVANCE)
+  #if DISABLED(LIN_ADVANCE)
     if (motor_direction(E_AXIS)) {
       REV_E_DIR();
       count_direction[E_AXIS] = -1;
@@ -334,7 +326,7 @@ void Stepper::set_directions() {
       NORM_E_DIR();
       count_direction[E_AXIS] = 1;
     }
-  #endif // !ADVANCE && !LIN_ADVANCE
+  #endif // !LIN_ADVANCE
 }
 
 #if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
@@ -356,7 +348,7 @@ void Stepper::set_directions() {
  *  4000   500  Hz - init rate
  */
 ISR(TIMER1_COMPA_vect) {
-  #if ENABLED(ADVANCE) || ENABLED(LIN_ADVANCE)
+  #if ENABLED(LIN_ADVANCE)
     Stepper::advance_isr_scheduler();
   #else
     Stepper::isr();
@@ -372,7 +364,7 @@ void Stepper::isr() {
   #define ENDSTOP_NOMINAL_OCR_VAL 3000    // check endstops every 1.5ms to guarantee two stepper ISRs within 5ms for BLTouch
   #define OCR_VAL_TOLERANCE 1000          // First max delay is 2.0ms, last min delay is 0.5ms, all others 1.5ms
 
-  #if DISABLED(ADVANCE) && DISABLED(LIN_ADVANCE)
+  #if DISABLED(LIN_ADVANCE)
     // Disable Timer0 ISRs and enable global ISR again to capture UART events (incoming chars)
     CBI(TIMSK0, OCIE0B); // Temperature ISR
     DISABLE_STEPPER_DRIVER_INTERRUPT();
@@ -455,10 +447,6 @@ void Stepper::isr() {
           return;
         }
       #endif
-
-      // #if ENABLED(ADVANCE)
-      //   e_steps[TOOL_E_INDEX] = 0;
-      // #endif
     }
     else {
       _NEXT_ISR(2000); // Run at slow speed - 1 KHz
@@ -504,33 +492,7 @@ void Stepper::isr() {
         }
       #endif
 
-    #elif ENABLED(ADVANCE)
-
-      // Always count the unified E axis
-      counter_E += current_block->steps[E_AXIS];
-      if (counter_E > 0) {
-        counter_E -= current_block->step_event_count;
-        #if DISABLED(MIXING_EXTRUDER)
-          // Don't step E here for mixing extruder
-          motor_direction(E_AXIS) ? --e_steps[TOOL_E_INDEX] : ++e_steps[TOOL_E_INDEX];
-        #endif
-      }
-
-      #if ENABLED(MIXING_EXTRUDER)
-
-        // Step mixing steppers proportionally
-        const bool dir = motor_direction(E_AXIS);
-        MIXING_STEPPERS_LOOP(j) {
-          counter_m[j] += current_block->steps[E_AXIS];
-          if (counter_m[j] > 0) {
-            counter_m[j] -= current_block->mix_event_count[j];
-            dir ? --e_steps[j] : ++e_steps[j];
-          }
-        }
-
-      #endif // MIXING_EXTRUDER
-
-    #endif // ADVANCE or LIN_ADVANCE
+    #endif // LIN_ADVANCE
 
     #define _COUNTER(AXIS) counter_## AXIS
     #define _APPLY_STEP(AXIS) AXIS ##_APPLY_STEP
@@ -591,7 +553,7 @@ void Stepper::isr() {
     #else
       #define _CYCLE_APPROX_6 _CYCLE_APPROX_5
     #endif
-    #if DISABLED(ADVANCE) && DISABLED(LIN_ADVANCE)
+    #if DISABLED(LIN_ADVANCE)
       #if ENABLED(MIXING_EXTRUDER)
         #define _CYCLE_APPROX_7 _CYCLE_APPROX_6 + (MIXING_STEPPERS) * 6
       #else
@@ -627,7 +589,7 @@ void Stepper::isr() {
     #endif
 
     // For non-advance use linear interpolation for E also
-    #if DISABLED(ADVANCE) && DISABLED(LIN_ADVANCE)
+    #if DISABLED(LIN_ADVANCE)
       #if ENABLED(MIXING_EXTRUDER)
         // Keep updating the single E axis
         counter_E += current_block->steps[E_AXIS];
@@ -641,7 +603,7 @@ void Stepper::isr() {
       #else // !MIXING_EXTRUDER
         PULSE_START(E);
       #endif
-    #endif // !ADVANCE && !LIN_ADVANCE
+    #endif // !LIN_ADVANCE
 
     // For minimum pulse time wait before stopping pulses
     #if EXTRA_CYCLES_XYZE > 20
@@ -661,7 +623,7 @@ void Stepper::isr() {
       PULSE_STOP(Z);
     #endif
 
-    #if DISABLED(ADVANCE) && DISABLED(LIN_ADVANCE)
+    #if DISABLED(LIN_ADVANCE)
       #if ENABLED(MIXING_EXTRUDER)
         // Always step the single E axis
         if (counter_E > 0) {
@@ -677,7 +639,7 @@ void Stepper::isr() {
       #else // !MIXING_EXTRUDER
         PULSE_STOP(E);
       #endif
-    #endif // !ADVANCE && !LIN_ADVANCE
+    #endif // !LIN_ADVANCE
 
     if (++step_events_completed >= current_block->step_event_count) {
       all_steps_done = true;
@@ -694,6 +656,7 @@ void Stepper::isr() {
   } // steps_loop
 
   #if ENABLED(LIN_ADVANCE)
+
     if (current_block->use_advance_lead) {
       const int delta_adv_steps = current_estep_rate[TOOL_E_INDEX] - current_adv_steps[TOOL_E_INDEX];
       current_adv_steps[TOOL_E_INDEX] += delta_adv_steps;
@@ -705,13 +668,11 @@ void Stepper::isr() {
         // For most extruders, advance the single E stepper
         e_steps[TOOL_E_INDEX] += delta_adv_steps;
       #endif
-   }
-  #endif
-
-  #if ENABLED(ADVANCE) || ENABLED(LIN_ADVANCE)
+    }
     // If we have esteps to execute, fire the next advance_isr "now"
     if (e_steps[TOOL_E_INDEX]) nextAdvanceISR = 0;
-  #endif
+
+  #endif // LIN_ADVANCE
 
   // Calculate new timer value
   if (step_events_completed <= (uint32_t)current_block->accelerate_until) {
@@ -740,32 +701,9 @@ void Stepper::isr() {
           current_estep_rate[TOOL_E_INDEX] = ((uint32_t)acc_step_rate * current_block->abs_adv_steps_multiplier8) >> 17;
         #endif
       }
-
-    #elif ENABLED(ADVANCE)
-
-      advance += advance_rate * step_loops;
-      //NOLESS(advance, current_block->advance);
-
-      const long advance_whole = advance >> 8,
-                 advance_factor = advance_whole - old_advance;
-
-      // Do E steps + advance steps
-      #if ENABLED(MIXING_EXTRUDER)
-        // ...for mixing steppers proportionally
-        MIXING_STEPPERS_LOOP(j)
-          e_steps[j] += advance_factor * current_block->step_event_count / current_block->mix_event_count[j];
-      #else
-        // ...for the active extruder
-        e_steps[TOOL_E_INDEX] += advance_factor;
-      #endif
-
-      old_advance = advance_whole;
-
-    #endif // ADVANCE or LIN_ADVANCE
-
-    #if ENABLED(ADVANCE) || ENABLED(LIN_ADVANCE)
       eISR_Rate = adv_rate(e_steps[TOOL_E_INDEX], timer, step_loops);
-    #endif
+
+    #endif // LIN_ADVANCE
   }
   else if (step_events_completed > (uint32_t)current_block->decelerate_after) {
     uint16_t step_rate;
@@ -796,30 +734,9 @@ void Stepper::isr() {
           current_estep_rate[TOOL_E_INDEX] = ((uint32_t)step_rate * current_block->abs_adv_steps_multiplier8) >> 17;
         #endif
       }
-
-    #elif ENABLED(ADVANCE)
-
-      advance -= advance_rate * step_loops;
-      NOLESS(advance, final_advance);
-
-      // Do E steps + advance steps
-      const long advance_whole = advance >> 8,
-                 advance_factor = advance_whole - old_advance;
-
-      #if ENABLED(MIXING_EXTRUDER)
-        MIXING_STEPPERS_LOOP(j)
-          e_steps[j] += advance_factor * current_block->step_event_count / current_block->mix_event_count[j];
-      #else
-        e_steps[TOOL_E_INDEX] += advance_factor;
-      #endif
-
-      old_advance = advance_whole;
-
-    #endif // ADVANCE or LIN_ADVANCE
-
-    #if ENABLED(ADVANCE) || ENABLED(LIN_ADVANCE)
       eISR_Rate = adv_rate(e_steps[TOOL_E_INDEX], timer, step_loops);
-    #endif
+
+    #endif // LIN_ADVANCE
   }
   else {
 
@@ -839,7 +756,7 @@ void Stepper::isr() {
     step_loops = step_loops_nominal;
   }
 
-  #if DISABLED(ADVANCE) && DISABLED(LIN_ADVANCE)
+  #if DISABLED(LIN_ADVANCE)
     NOLESS(OCR1A, TCNT1 + 16);
   #endif
 
@@ -848,12 +765,12 @@ void Stepper::isr() {
     current_block = NULL;
     planner.discard_current_block();
   }
-  #if DISABLED(ADVANCE) && DISABLED(LIN_ADVANCE)
+  #if DISABLED(LIN_ADVANCE)
     _ENABLE_ISRs(); // re-enable ISRs
   #endif
 }
 
-#if ENABLED(ADVANCE) || ENABLED(LIN_ADVANCE)
+#if ENABLED(LIN_ADVANCE)
 
   #define CYCLES_EATEN_E (E_STEPPERS * 5)
   #define EXTRA_CYCLES_E (STEP_PULSE_CYCLES - (CYCLES_EATEN_E))
@@ -987,7 +904,7 @@ void Stepper::isr() {
     _ENABLE_ISRs();
   }
 
-#endif // ADVANCE or LIN_ADVANCE
+#endif // LIN_ADVANCE
 
 void Stepper::init() {
 
@@ -1170,12 +1087,10 @@ void Stepper::init() {
   TCNT1 = 0;
   ENABLE_STEPPER_DRIVER_INTERRUPT();
 
-  #if ENABLED(ADVANCE) || ENABLED(LIN_ADVANCE)
+  #if ENABLED(LIN_ADVANCE)
     for (uint8_t i = 0; i < COUNT(e_steps); i++) e_steps[i] = 0;
-    #if ENABLED(LIN_ADVANCE)
-      ZERO(current_adv_steps);
-    #endif
-  #endif // ADVANCE || LIN_ADVANCE
+    ZERO(current_adv_steps);
+  #endif
 
   endstops.enable(true); // Start with endstops active. After homing they can be disabled
   sei();

Marlin/stepper.h

@@ -111,24 +111,21 @@ class Stepper {
     static long counter_X, counter_Y, counter_Z, counter_E;
     static volatile uint32_t step_events_completed; // The number of step events executed in the current block
 
-    #if ENABLED(ADVANCE) || ENABLED(LIN_ADVANCE)
+    #if ENABLED(LIN_ADVANCE)
+
       static uint16_t nextMainISR, nextAdvanceISR, eISR_Rate;
       #define _NEXT_ISR(T) nextMainISR = T
-      #if ENABLED(LIN_ADVANCE)
-        static volatile int e_steps[E_STEPPERS];
-        static int final_estep_rate;
-        static int current_estep_rate[E_STEPPERS]; // Actual extruder speed [steps/s]
-        static int current_adv_steps[E_STEPPERS];  // The amount of current added esteps due to advance.
-                                                   // i.e., the current amount of pressure applied
-                                                   // to the spring (=filament).
-      #else
-        static long e_steps[E_STEPPERS];
-        static long advance_rate, advance, final_advance;
-        static long old_advance;
-      #endif
-    #else
+      static volatile int e_steps[E_STEPPERS];
+      static int final_estep_rate;
+      static int current_estep_rate[E_STEPPERS]; // Actual extruder speed [steps/s]
+      static int current_adv_steps[E_STEPPERS];  // The amount of current added esteps due to advance.
+                                                 // i.e., the current amount of pressure applied
+                                                 // to the spring (=filament).
+    #else // !LIN_ADVANCE
+
       #define _NEXT_ISR(T) OCR1A = T
-    #endif // ADVANCE or LIN_ADVANCE
+
+    #endif // !LIN_ADVANCE
 
     static long acceleration_time, deceleration_time;
     //unsigned long accelerate_until, decelerate_after, acceleration_rate, initial_rate, final_rate, nominal_rate;
@@ -177,7 +174,7 @@ class Stepper {
 
     static void isr();
 
-    #if ENABLED(ADVANCE) || ENABLED(LIN_ADVANCE)
+    #if ENABLED(LIN_ADVANCE)
       static void advance_isr();
       static void advance_isr_scheduler();
     #endif
@@ -337,26 +334,6 @@ class Stepper {
         set_directions();
       }
 
-      #if ENABLED(ADVANCE)
-
-        advance = current_block->initial_advance;
-        final_advance = current_block->final_advance;
-
-        // Do E steps + advance steps
-        #if ENABLED(MIXING_EXTRUDER)
-          long advance_factor = (advance >> 8) - old_advance;
-          // ...for mixing steppers proportionally
-          MIXING_STEPPERS_LOOP(j)
-            e_steps[j] += advance_factor * current_block->step_event_count / current_block->mix_event_count[j];
-        #else
-          // ...for the active extruder
-          e_steps[TOOL_E_INDEX] += ((advance >> 8) - old_advance);
-        #endif
-
-        old_advance = advance >> 8;
-
-      #endif
-
       deceleration_time = 0;
       // step_rate to timer interval
       OCR1A_nominal = calc_timer(current_block->nominal_rate);