Add'l PLR options, AVR strstr_P compat (#13880)

Marlin/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss (optional)
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

Marlin/src/HAL/shared/Marduino.h

 #ifndef CBI
   #define CBI(A,B) (A &= ~(1 << (B)))
 #endif
+
+#ifndef __AVR__
+  #ifndef strchr_P // Some platforms define a macro (DUE, teensy35)
+    inline const char* strchr_P(const char *s, int c) { return strchr(s,c); }
+    //#define strchr_P(s,c) strchr(s,c)
+  #endif
+#endif

Marlin/src/feature/power_loss_recovery.cpp

 
 PrintJobRecovery recovery;
 
+#ifndef POWER_LOSS_PURGE_LEN
+  #define POWER_LOSS_PURGE_LEN 0
+#endif
+#ifndef POWER_LOSS_RETRACT_LEN
+  #define POWER_LOSS_RETRACT_LEN 0
+#endif
+
 /**
  * Clear the recovery info
  */
     //gcode.process_subcommands_now(cmd);
     gcode.process_subcommands_now_P(PSTR("G1 E" STRINGIFY(POWER_LOSS_PURGE_LEN) " F200"));
   #endif
+
   #if POWER_LOSS_RETRACT_LEN
-    sprintf_P(cmd, PSTR("G1 E%d F3000"), POWER_LOSS_PURGE_LEN - POWER_LOSS_RETRACT_LEN);
+    sprintf_P(cmd, PSTR("G1 E%d F3000"), POWER_LOSS_PURGE_LEN - (POWER_LOSS_RETRACT_LEN));
     gcode.process_subcommands_now(cmd);
   #endif
 

Marlin/src/feature/power_loss_recovery.h

   #include "../feature/mixing.h"
 #endif
 
-#define SAVE_INFO_INTERVAL_MS 0
-//#define SAVE_EACH_CMD_MODE
 //#define DEBUG_POWER_LOSS_RECOVERY
-#define POWER_LOSS_PURGE_LEN 20
-#define POWER_LOSS_RETRACT_LEN 10
+//#define SAVE_EACH_CMD_MODE
+//#define SAVE_INFO_INTERVAL_MS 0
 
 typedef struct {
   uint8_t valid_head;

buildroot/share/tests/DUE-tests

 
 restore_configs
 opt_set MOTHERBOARD BOARD_RAMPS4DUE_EFB
-opt_enable S_CURVE_ACCELERATION EEPROM_SETTINGS
+opt_enable S_CURVE_ACCELERATION EEPROM_SETTINGS GCODE_MACROS
 opt_set E0_AUTO_FAN_PIN 8
 opt_set EXTRUDER_AUTO_FAN_SPEED 100
-exec_test $1 $2 "RAMPS4DUE_EFB S_CURVE_ACCELERATION EEPROM_SETTINGS"
+exec_test $1 $2 "RAMPS4DUE_EFB with S_CURVE_ACCELERATION, EEPROM_SETTINGS, GCODE_MACROS"
 
 restore_configs
 opt_set MOTHERBOARD BOARD_RADDS
 pins_set RAMPS Y_MAX_PIN -1
 opt_add Z2_MAX_PIN 2
 opt_add Z3_MAX_PIN 3
-exec_test $1 $2 "Test RADDS with Z_TRIPLE_STEPPER_DRIVERS and Z_STEPPER_AUTO_ALIGN"
+exec_test $1 $2 "RADDS with Z_TRIPLE_STEPPER_DRIVERS and Z_STEPPER_AUTO_ALIGN"
 
 #
 # Test SWITCHING_EXTRUDER
 opt_set MOTHERBOARD BOARD_RAMPS4DUE_EEF
 opt_set EXTRUDERS 2
 opt_set NUM_SERVOS 1
-opt_enable SWITCHING_EXTRUDER ULTIMAKERCONTROLLER BEEP_ON_FEEDRATE_CHANGE
-exec_test $1 $2 "Test RAMPS4DUE with SWITCHING_EXTRUDER"
+opt_enable SWITCHING_EXTRUDER ULTIMAKERCONTROLLER BEEP_ON_FEEDRATE_CHANGE POWER_LOSS_RECOVERY
+exec_test $1 $2 "RAMPS4DUE_EEF with SWITCHING_EXTRUDER, POWER_LOSS_RECOVERY"

buildroot/share/tests/LPC1768-tests

 opt_set TEMP_SENSOR_BED 5
 opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT ADAPTIVE_FAN_SLOWING NO_FAN_SLOWING_IN_PID_TUNING \
            FILAMENT_WIDTH_SENSOR FILAMENT_LCD_DISPLAY PID_EXTRUSION_SCALING \
-           FIX_MOUNTED_PROBE Z_SAFE_HOMING AUTO_BED_LEVELING_BILINEAR Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
+           FIX_MOUNTED_PROBE AUTO_BED_LEVELING_BILINEAR G29_RETRY_AND_RECOVER Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
            BABYSTEPPING BABYSTEP_XY BABYSTEP_ZPROBE_OFFSET BABYSTEP_ZPROBE_GFX_OVERLAY \
            PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE SLOW_PWM_HEATERS PIDTEMPBED EEPROM_SETTINGS INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT \
-           ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE \
+           Z_SAFE_HOMING ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE \
            LCD_INFO_MENU ARC_SUPPORT BEZIER_CURVE_SUPPORT EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES SDCARD_SORT_ALPHA
 opt_set GRID_MAX_POINTS_X 16
 exec_test $1 $2 "MKS SBASE Many Features"
            AUTO_BED_LEVELING_UBL RESTORE_LEVELING_AFTER_G28 EEPROM_SETTINGS \
            FILAMENT_LCD_DISPLAY FILAMENT_WIDTH_SENSOR FAN_SOFT_PWM \
            SHOW_TEMP_ADC_VALUES HOME_Y_BEFORE_X EMERGENCY_PARSER FAN_KICKSTART_TIME \
-           ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED ADVANCED_OK \
+           ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED ADVANCED_OK GCODE_MACROS \
            VOLUMETRIC_DEFAULT_ON NO_WORKSPACE_OFFSETS ACTION_ON_KILL \
            EXTRA_FAN_SPEED FWRETRACT Z_DUAL_STEPPER_DRIVERS Z_DUAL_ENDSTOPS \
            MENU_ADDAUTOSTART SDCARD_SORT_ALPHA

buildroot/share/tests/LPC1769-tests

 opt_set TEMP_SENSOR_1 -1
 opt_set TEMP_SENSOR_BED 5
 opt_enable VIKI2 SDSUPPORT ADAPTIVE_FAN_SLOWING NO_FAN_SLOWING_IN_PID_TUNING \
-           FIX_MOUNTED_PROBE Z_SAFE_HOMING AUTO_BED_LEVELING_BILINEAR Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
+           FIX_MOUNTED_PROBE AUTO_BED_LEVELING_BILINEAR G29_RETRY_AND_RECOVER Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
            BABYSTEPPING BABYSTEP_XY BABYSTEP_ZPROBE_OFFSET BABYSTEP_ZPROBE_GFX_OVERLAY \
            PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE SLOW_PWM_HEATERS PIDTEMPBED EEPROM_SETTINGS INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT \
-           ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE \
+           Z_SAFE_HOMING ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE \
            LCD_INFO_MENU ARC_SUPPORT BEZIER_CURVE_SUPPORT EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES SDCARD_SORT_ALPHA
 opt_set GRID_MAX_POINTS_X 16
 exec_test $1 $2 "Smoothieboard Many Features"
            AUTO_BED_LEVELING_UBL RESTORE_LEVELING_AFTER_G28 EEPROM_SETTINGS \
            FILAMENT_LCD_DISPLAY FILAMENT_WIDTH_SENSOR FAN_SOFT_PWM \
            SHOW_TEMP_ADC_VALUES HOME_Y_BEFORE_X EMERGENCY_PARSER FAN_KICKSTART_TIME \
-           ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED ADVANCED_OK \
+           ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED ADVANCED_OK GCODE_MACROS \
            VOLUMETRIC_DEFAULT_ON NO_WORKSPACE_OFFSETS ACTION_ON_KILL \
            EXTRA_FAN_SPEED FWRETRACT MENU_ADDAUTOSTART SDCARD_SORT_ALPHA
 opt_set FAN_MIN_PWM 50

buildroot/share/tests/STM32F1-tests

 opt_set MOTHERBOARD BOARD_STM32F1R
 opt_set EXTRUDERS 2
 opt_enable EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT \
-           PAREN_COMMENTS GCODE_MOTION_MODES SINGLENOZZLE TOOLCHANGE_FILAMENT_SWAP TOOLCHANGE_PARK
+           PAREN_COMMENTS GCODE_MOTION_MODES SINGLENOZZLE TOOLCHANGE_FILAMENT_SWAP TOOLCHANGE_PARK \
+           GCODE_MACROS
 exec_test $1 $2 "STM32F1R EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT PAREN_COMMENTS GCODE_MOTION_MODES"
 
 # cleanup

buildroot/share/tests/esp32-tests

 
 restore_configs
 opt_set MOTHERBOARD BOARD_ESP32
-opt_enable WIFISUPPORT
+opt_enable WIFISUPPORT GCODE_MACROS
 opt_set "WIFI_SSID \"ssid\""
 opt_set "WIFI_PWD \"password\""
 opt_set TX_BUFFER_SIZE 64

buildroot/share/tests/megaatmega2560-tests

 opt_set TEMP_SENSOR_4 1000
 opt_set TEMP_SENSOR_BED 1
 opt_enable AUTO_BED_LEVELING_UBL RESTORE_LEVELING_AFTER_G28 DEBUG_LEVELING_FEATURE G26_MESH_EDITING ENABLE_LEVELING_FADE_HEIGHT SKEW_CORRECTION \
-           EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT \
+           EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT GCODE_MACROS \
            USB_FLASH_DRIVE_SUPPORT SDCARD_SORT_ALPHA STATUS_MESSAGE_SCROLLING SCROLL_LONG_FILENAMES LIGHTWEIGHT_UI \
            CUSTOM_USER_MENUS I2C_POSITION_ENCODERS BABYSTEPPING BABYSTEP_XY LIN_ADVANCE NANODLP_Z_SYNC QUICK_HOME JUNCTION_DEVIATION
 exec_test $1 $2 "Azteeg X3 with 5 extruders, RRDFGSC, probeless UBL, Linear Advance, and more"

config/default/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20   // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10   // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/3DFabXYZ/Migbot/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/AlephObjects/TAZ4/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/AliExpress/UM2pExt/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Anet/A2/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Anet/A2plus/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Anet/A6/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Anet/A8/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/AnyCubic/i3/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/ArmEd/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/BQ/Hephestos/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/BQ/Hephestos_2/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/BQ/WITBOX/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Cartesio/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Creality/CR-10_5S/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Einstart-S/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Felix/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/FlashForge/CreatorPro/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Formbot/Raptor/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Formbot/T_Rex_2+/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Formbot/T_Rex_3/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Geeetech/A10M/Configuration_adv.h

    */
   #define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    #define POWER_LOSS_PIN   69     // Pin to detect power loss
-    #define POWER_LOSS_STATE LOW    // State of pin indicating power loss
+    #define POWER_LOSS_PIN           69 // Pin to detect power loss
+    #define POWER_LOSS_STATE        LOW // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
+
+    // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
+    // especially with "vase mode" printing. Set too high and vases cannot be continued.
+    #define POWER_LOSS_MIN_Z_CHANGE 0.05 // (mm) Minimum Z change before saving power-loss data
   #endif
 
   /**

config/examples/Geeetech/A20M/Configuration_adv.h

    */
   #define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    #define POWER_LOSS_PIN   69     // Pin to detect power loss
-    #define POWER_LOSS_STATE LOW    // State of pin indicating power loss
+    #define POWER_LOSS_PIN           69 // Pin to detect power loss
+    #define POWER_LOSS_STATE        LOW // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
+
+    // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
+    // especially with "vase mode" printing. Set too high and vases cannot be continued.
+    #define POWER_LOSS_MIN_Z_CHANGE 0.05 // (mm) Minimum Z change before saving power-loss data
   #endif
 
   /**

config/examples/Geeetech/MeCreator2/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/JGAurora/A5/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/MakerParts/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Malyan/M150/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Malyan/M200/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Mks/Robin/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Mks/Sbase/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/RapideLite/RL200/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/RigidBot/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/SCARA/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/STM32/Black_STM32F407VET6/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Sanguinololu/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/TheBorg/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/TinyBoy2/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Tronxy/X3A/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Tronxy/X5S-2E/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/UltiMachine/Archim1/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/UltiMachine/Archim2/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/VORONDesign/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Velleman/K8200/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/Velleman/K8400/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/WASP/PowerWASP/Configuration_adv.h

    */
   #define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    #define POWER_LOSS_PIN   65    // Pin to detect power loss
-    #define POWER_LOSS_STATE LOW   // State of pin indicating power loss
+    #define POWER_LOSS_PIN           65 // Pin to detect power loss
+    #define POWER_LOSS_STATE        LOW // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
+
+    // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
+    // especially with "vase mode" printing. Set too high and vases cannot be continued.
+    #define POWER_LOSS_MIN_Z_CHANGE 0.05 // (mm) Minimum Z change before saving power-loss data
   #endif
 
   /**

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/delta/Anycubic/Kossel/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/delta/MKS/SBASE/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/delta/Tevo Little Monster/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/delta/generic/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/delta/kossel_mini/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/delta/kossel_xl/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

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

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/makibox/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/tvrrug/Round2/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.

config/examples/wt150/Configuration_adv.h

    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    //#define POWER_LOSS_PIN   44     // Pin to detect power loss
-    //#define POWER_LOSS_STATE HIGH   // State of pin indicating power loss
+    //#define POWER_LOSS_PIN         44 // Pin to detect power loss
+    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
+    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
+    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.