📝 No longer experimental (#25238)

Marlin/Configuration.h

@@ -2019,7 +2019,7 @@
     //#define EXTRAPOLATE_BEYOND_GRID
 
     //
-    // Experimental Subdivision of the grid by Catmull-Rom method.
+    // Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
     //
     //#define ABL_BILINEAR_SUBDIVISION
@@ -2304,7 +2304,7 @@
 #endif
 
 /**
- * Clean Nozzle Feature -- EXPERIMENTAL
+ * Clean Nozzle Feature
  *
  * Adds the G12 command to perform a nozzle cleaning process.
  *
@@ -2338,7 +2338,6 @@
  *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
  *
  *   Caveats: The ending Z should be the same as starting Z.
- * Attention: EXPERIMENTAL. G-code arguments may change.
  */
 //#define NOZZLE_CLEAN_FEATURE
 

Marlin/Configuration_adv.h

@@ -375,7 +375,7 @@
 #endif
 
 #if ENABLED(PIDTEMP)
-  // Add an experimental additional term to the heater power, proportional to the extrusion speed.
+  // Add an additional term to the heater power, proportional to the extrusion speed.
   // A well-chosen Kc value should add just enough power to melt the increased material volume.
   //#define PID_EXTRUSION_SCALING
   #if ENABLED(PID_EXTRUSION_SCALING)
@@ -384,7 +384,7 @@
   #endif
 
   /**
-   * Add an experimental additional term to the heater power, proportional to the fan speed.
+   * Add an additional term to the heater power, proportional to the fan speed.
    * A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
    * You can either just add a constant compensation with the DEFAULT_Kf value
    * or follow the instruction below to get speed-dependent compensation.
@@ -2121,7 +2121,6 @@
   #endif
   //#define ADVANCE_K_EXTRA       // Add a second linear advance constant, configurable with M900 L.
   //#define LA_DEBUG              // Print debug information to serial during operation. Disable for production use.
-  //#define EXPERIMENTAL_SCURVE   // Allow S-Curve Acceleration to be used with LA.
   //#define ALLOW_LOW_EJERK       // Allow a DEFAULT_EJERK value of <10. Recommended for direct drive hotends.
   //#define EXPERIMENTAL_I2S_LA   // Allow I2S_STEPPER_STREAM to be used with LA. Performance degrades as the LA step rate reaches ~20kHz.
 #endif

Marlin/src/inc/SanityCheck.h

@@ -666,6 +666,8 @@
   #error "SCARA_FEEDRATE_SCALING is now FEEDRATE_SCALING."
 #elif defined(MILLISECONDS_PREHEAT_TIME)
   #error "MILLISECONDS_PREHEAT_TIME is now PREHEAT_TIME_HOTEND_MS."
+#elif defined(EXPERIMENTAL_SCURVE)
+  #error "EXPERIMENTAL_SCURVE is no longer needed and should be removed."
 #endif
 
 // L64xx stepper drivers have been removed
@@ -1370,22 +1372,14 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
   #else
     static_assert(WITHIN(ADVANCE_K, 0, 10), "ADVANCE_K must be from 0 to 10 (Changed in LIN_ADVANCE v1.5, Marlin 1.1.9).");
   #endif
-  #if ENABLED(S_CURVE_ACCELERATION) && DISABLED(EXPERIMENTAL_SCURVE)
-    #error "LIN_ADVANCE and S_CURVE_ACCELERATION may not play well together! Enable EXPERIMENTAL_SCURVE to continue."
-  #elif ENABLED(DIRECT_STEPPING)
-    #error "DIRECT_STEPPING is incompatible with LIN_ADVANCE. Enable in external planner if possible."
+
+  #if ENABLED(DIRECT_STEPPING)
+    #error "DIRECT_STEPPING is incompatible with LIN_ADVANCE. (Extrusion is controlled externally by the Step Daemon.)"
   #elif NONE(HAS_JUNCTION_DEVIATION, ALLOW_LOW_EJERK) && defined(DEFAULT_EJERK)
     static_assert(DEFAULT_EJERK >= 10, "It is strongly recommended to set DEFAULT_EJERK >= 10 when using LIN_ADVANCE. Enable ALLOW_LOW_EJERK to bypass this alert (e.g., for direct drive).");
   #endif
 #endif
 
-/**
- * POLAR warnings
- */
-#if BOTH(POLAR, S_CURVE_ACCELERATION)
-  #warning "POLAR Kinematics may not work well with S_CURVE_ACCELERATION."
-#endif
-
 /**
  * Special tool-changing options
  */

Marlin/src/inc/Warnings.cpp

@@ -783,3 +783,10 @@
 #if ENABLED(BD_SENSOR) && DISABLED(BABYSTEPPING)
   #warning "BABYSTEPPING is recommended with BD_SENSOR."
 #endif
+
+/**
+ * POLAR warnings
+ */
+#if BOTH(POLAR, S_CURVE_ACCELERATION)
+  #warning "POLAR kinematics may not work well with S_CURVE_ACCELERATION."
+#endif

buildroot/tests/SAMD21_minitronics20

@@ -26,7 +26,7 @@ opt_enable ENDSTOP_INTERRUPTS_FEATURE BLTOUCH Z_MIN_PROBE_REPEATABILITY_TEST \
            SCROLL_LONG_FILENAMES BABYSTEPPING DOUBLECLICK_FOR_Z_BABYSTEPPING \
            MOVE_Z_WHEN_IDLE BABYSTEP_ZPROBE_OFFSET BABYSTEP_ZPROBE_GFX_OVERLAY \
            LIN_ADVANCE ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE MONITOR_DRIVER_STATUS SENSORLESS_HOMING \
-           SQUARE_WAVE_STEPPING EXPERIMENTAL_SCURVE
+           SQUARE_WAVE_STEPPING
 exec_test $1 $2 "Minitronics 2.0 with assorted features" "$3"
 
 # clean up

buildroot/tests/SAMD51_grandcentral_m4

@@ -26,7 +26,7 @@ opt_enable ENDSTOP_INTERRUPTS_FEATURE S_CURVE_ACCELERATION BLTOUCH Z_MIN_PROBE_R
            SCROLL_LONG_FILENAMES BABYSTEPPING DOUBLECLICK_FOR_Z_BABYSTEPPING \
            MOVE_Z_WHEN_IDLE BABYSTEP_ZPROBE_OFFSET BABYSTEP_ZPROBE_GFX_OVERLAY \
            LIN_ADVANCE ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE MONITOR_DRIVER_STATUS SENSORLESS_HOMING \
-           SQUARE_WAVE_STEPPING TMC_DEBUG EXPERIMENTAL_SCURVE
+           SQUARE_WAVE_STEPPING TMC_DEBUG
 exec_test $1 $2 "Grand Central M4 with assorted features" "$3"
 
 # clean up