homing backoff to clear switches

Author: inib

Marlin/Configuration_adv.h

@@ -521,7 +521,7 @@
 #define HOMING_BUMP_DIVISOR { 2, 2, 4 }  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //@
 #define QUICK_HOME                     // If homing includes X and Y, do a diagonal move initially
-//#define HOMING_BACKOFF_MM { 2, 2, 2 }  // (mm) Move away from the endstops after homing
+#define HOMING_BACKOFF_MM { 3, 25, 10 }  // (mm) Move away from the endstops after homing
 
 // When G28 is called, this option will make Y home before X
 //#define HOME_Y_BEFORE_X
@@ -644,7 +644,8 @@
 #define DEFAULT_MINIMUMFEEDRATE       0.0     // minimum feedrate
 #define DEFAULT_MINTRAVELFEEDRATE     0.0
 
-//#define HOME_AFTER_DEACTIVATE  // Require rehoming after steppers are deactivated
+//@
+#define HOME_AFTER_DEACTIVATE  // Require rehoming after steppers are deactivated
 
 // Minimum time that a segment needs to take if the buffer is emptied
 #define DEFAULT_MINSEGMENTTIME        20000   // (ms)
@@ -754,7 +755,7 @@
  * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
  * lowest stepping frequencies.
  */
-//#define ADAPTIVE_STEP_SMOOTHING
+#define ADAPTIVE_STEP_SMOOTHING
 
 /**
  * Custom Microstepping
@@ -832,11 +833,12 @@
   #endif
 #endif
 
+//@ was set too fast
 // Change values more rapidly when the encoder is rotated faster
 #define ENCODER_RATE_MULTIPLIER
 #if ENABLED(ENCODER_RATE_MULTIPLIER)
-  #define ENCODER_10X_STEPS_PER_SEC   30  // (steps/s) Encoder rate for 10x speed
-  #define ENCODER_100X_STEPS_PER_SEC  80  // (steps/s) Encoder rate for 100x speed
+  #define ENCODER_10X_STEPS_PER_SEC   50  // (steps/s) Encoder rate for 10x speed
+  #define ENCODER_100X_STEPS_PER_SEC  200  // (steps/s) Encoder rate for 100x speed
 #endif
 
 // Play a beep when the feedrate is changed from the Status Screen
@@ -1154,7 +1156,8 @@
   //@
   #define STATUS_HEAT_PERCENT       // Show heating in a progress bar
   //#define BOOT_MARLIN_LOGO_SMALL    // Show a smaller Marlin logo on the Boot Screen (saving 399 bytes of flash)
-  //#define BOOT_MARLIN_LOGO_ANIMATED // Animated Marlin logo. Costs ~‭3260 (or ~940) bytes of PROGMEM.
+  //@ testing
+  #define BOOT_MARLIN_LOGO_ANIMATED // Animated Marlin logo. Costs ~‭3260 (or ~940) bytes of PROGMEM.
 
   // Frivolous Game Options
   //#define MARLIN_BRICKOUT
@@ -1290,8 +1293,8 @@
   //#define BABYSTEP_WITHOUT_HOMING
   //#define BABYSTEP_XY                     // Also enable X/Y Babystepping. Not supported on DELTA!
   //@
-  #define BABYSTEP_INVERT_Z true           // Change if Z babysteps should go the other way
-  #define BABYSTEP_MULTIPLICATOR  25         // Babysteps are very small. Increase for faster motion.
+  #define BABYSTEP_INVERT_Z false           // Change if Z babysteps should go the other way
+  #define BABYSTEP_MULTIPLICATOR  10         // Babysteps are very small. Increase for faster motion.
 
   #define DOUBLECLICK_FOR_Z_BABYSTEPPING  // Double-click on the Status Screen for Z Babystepping.
   #if ENABLED(DOUBLECLICK_FOR_Z_BABYSTEPPING)
@@ -1333,10 +1336,15 @@
  * See http://marlinfw.org/docs/features/lin_advance.html for full instructions.
  * Mention @Sebastianv650 on GitHub to alert the author of any issues.
  */
-//#define LIN_ADVANCE
+#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
+
+  //@ ~0.8 on my printer for PLA
+  // K = 0 - but will be activated via gcode filament-type-specific
+  // extruder seems to rattle quite hard, need to check acc/jerk settings
+
   //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
-  #define LIN_ADVANCE_K 0.22    // Unit: mm compression per 1mm/s extruder speed
+  #define LIN_ADVANCE_K 0    // Unit: mm compression per 1mm/s extruder speed
   //#define LA_DEBUG            // If enabled, this will generate debug information output over USB.
 #endif
 
@@ -1643,39 +1651,39 @@
  * Requires NOZZLE_PARK_FEATURE.
  * This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
  */
-//@ not properly tested yet!
+//@ 1st measurements - check retraction settings
 #define ADVANCED_PAUSE_FEATURE
 #if ENABLED(ADVANCED_PAUSE_FEATURE)
   #define PAUSE_PARK_RETRACT_FEEDRATE         35  // (mm/s) Initial retract feedrate.
   #define PAUSE_PARK_RETRACT_LENGTH            2  // (mm) Initial retract.
                                                   // This short retract is done immediately, before parking the nozzle.
   #define FILAMENT_CHANGE_UNLOAD_FEEDRATE     10  // (mm/s) Unload filament feedrate. This can be pretty fast.
   #define FILAMENT_CHANGE_UNLOAD_ACCEL        25  // (mm/s^2) Lower acceleration may allow a faster feedrate.
-  #define FILAMENT_CHANGE_UNLOAD_LENGTH      300  // (mm) The length of filament for a complete unload.
+  #define FILAMENT_CHANGE_UNLOAD_LENGTH      650  // (mm) The length of filament for a complete unload.
                                                   //   For Bowden, the full length of the tube and nozzle.
                                                   //   For direct drive, the full length of the nozzle.
                                                   //   Set to 0 for manual unloading.
-  #define FILAMENT_CHANGE_SLOW_LOAD_FEEDRATE   6  // (mm/s) Slow move when starting load.
-  #define FILAMENT_CHANGE_SLOW_LOAD_LENGTH     0  // (mm) Slow length, to allow time to insert material.
+  #define FILAMENT_CHANGE_SLOW_LOAD_FEEDRATE   2  // (mm/s) Slow move when starting load.
+  #define FILAMENT_CHANGE_SLOW_LOAD_LENGTH    25  // (mm) Slow length, to allow time to insert material.
                                                   // 0 to disable start loading and skip to fast load only
   #define FILAMENT_CHANGE_FAST_LOAD_FEEDRATE   6  // (mm/s) Load filament feedrate. This can be pretty fast.
   #define FILAMENT_CHANGE_FAST_LOAD_ACCEL     25  // (mm/s^2) Lower acceleration may allow a faster feedrate.
-  #define FILAMENT_CHANGE_FAST_LOAD_LENGTH   300  // (mm) Load length of filament, from extruder gear to nozzle.
+  #define FILAMENT_CHANGE_FAST_LOAD_LENGTH   615  // (mm) Load length of filament, from extruder gear to nozzle.
                                                   //   For Bowden, the full length of the tube and nozzle.
                                                   //   For direct drive, the full length of the nozzle.
-  //#define ADVANCED_PAUSE_CONTINUOUS_PURGE       // Purge continuously up to the purge length until interrupted.
+  #define ADVANCED_PAUSE_CONTINUOUS_PURGE       // Purge continuously up to the purge length until interrupted.
   #define ADVANCED_PAUSE_PURGE_FEEDRATE        2  // (mm/s) Extrude feedrate (after loading). Should be slower than load feedrate.
   #define ADVANCED_PAUSE_PURGE_LENGTH         50  // (mm) Length to extrude after loading.
                                                   //   Set to 0 for manual extrusion.
                                                   //   Filament can be extruded repeatedly from the Filament Change menu
                                                   //   until extrusion is consistent, and to purge old filament.
   #define ADVANCED_PAUSE_RESUME_PRIME          0  // (mm) Extra distance to prime nozzle after returning from park.
-  //#define ADVANCED_PAUSE_FANS_PAUSE             // Turn off print-cooling fans while the machine is paused.
+  #define ADVANCED_PAUSE_FANS_PAUSE             // Turn off print-cooling fans while the machine is paused.
 
                                                   // Filament Unload does a Retract, Delay, and Purge first:
-  #define FILAMENT_UNLOAD_RETRACT_LENGTH      13  // (mm) Unload initial retract length.
-  #define FILAMENT_UNLOAD_DELAY             5000  // (ms) Delay for the filament to cool after retract.
-  #define FILAMENT_UNLOAD_PURGE_LENGTH         8  // (mm) An unretract is done, then this length is purged.
+  #define FILAMENT_UNLOAD_RETRACT_LENGTH      10  // (mm) Unload initial retract length.
+  #define FILAMENT_UNLOAD_DELAY              750  // (ms) Delay for the filament to cool after retract.
+  #define FILAMENT_UNLOAD_PURGE_LENGTH         3  // (mm) An unretract is done, then this length is purged.
 
   #define PAUSE_PARK_NOZZLE_TIMEOUT           45  // (seconds) Time limit before the nozzle is turned off for safety.
   #define FILAMENT_CHANGE_ALERT_BEEPS         10  // Number of alert beeps to play when a response is needed.