Initial Commit

Co-authored-by: Scott Lahteine <github@thinkyhead.com>

.editorconfig

@@ -4,10 +4,10 @@ root = true
 [{*.patch,syntax_test_*}]
 trim_trailing_whitespace = false
 
-[{*.c,*.cpp,*.h}]
+[{*.c,*.cpp,*.h,*.ino}]
 charset = utf-8
 
-[{*.c,*.cpp,*.h,Makefile}]
+[{*.c,*.cpp,*.h,*.ino,Makefile}]
 trim_trailing_whitespace = true
 insert_final_newline = true
 end_of_line = lf

.github/workflows/test-builds.yml

@@ -56,28 +56,31 @@ jobs:
 
         # STM32F1 (Maple) Environments
 
-        - STM32F103RC_btt
-        - STM32F103RC_btt_USB
-        - STM32F103RE_btt
-        - STM32F103RE_btt_USB
+        #- STM32F103RC_btt_maple
+        - STM32F103RC_btt_USB_maple
         - STM32F103RC_fysetc
         - STM32F103RC_meeb
         - jgaurora_a5s_a1
         - STM32F103VE_longer
-        - mks_robin
+        #- mks_robin_maple
         - mks_robin_lite
         - mks_robin_pro
-        - STM32F103RET6_creality
-        - mks_robin_nano35
+        #- mks_robin_nano35_maple
+        #- STM32F103RET6_creality_maple
 
         # STM32 (ST) Environments
 
+        - STM32F103RC_btt
+        #- STM32F103RC_btt_USB
+        - STM32F103RE_btt
+        - STM32F103RE_btt_USB
+        - STM32F103RET6_creality
         - STM32F407VE_black
         - STM32F401VE_STEVAL
         - BIGTREE_BTT002
         - BIGTREE_SKR_PRO
         - BIGTREE_GTR_V1_0
-        - mks_robin_stm32
+        - mks_robin
         - ARMED
         - FYSETC_S6
         - STM32F070CB_malyan
@@ -86,10 +89,12 @@ jobs:
         - FLYF407ZG
         - rumba32
         - LERDGEX
-        - mks_robin_nano35_stm32
+        - LERDGEK
+        - mks_robin_nano35
         - NUCLEO_F767ZI
         - REMRAM_V1
         - BTT_SKR_SE_BX
+        - chitu_f103
 
         # Put lengthy tests last
 

.gitignore

@@ -122,29 +122,6 @@ tags
 .gcc-flags.json
 /lib/
 
-# Workaround for Deviot+platformio quirks
-Marlin/lib
-Marlin/platformio.ini
-Marlin/*/platformio.ini
-Marlin/*/*/platformio.ini
-Marlin/*/*/*/platformio.ini
-Marlin/*/*/*/*/platformio.ini
-Marlin/.travis.yml
-Marlin/*/.travis.yml
-Marlin/*/*/.travis.yml
-Marlin/*/*/*/.travis.yml
-Marlin/*/*/*/*/.travis.yml
-Marlin/.gitignore
-Marlin/*/.gitignore
-Marlin/*/*/.gitignore
-Marlin/*/*/*/.gitignore
-Marlin/*/*/*/*/.gitignore
-Marlin/readme.txt
-Marlin/*/readme.txt
-Marlin/*/*/readme.txt
-Marlin/*/*/*/readme.txt
-Marlin/*/*/*/*/readme.txt
-
 # Secure Credentials
 Configuration_Secure.h
 

Marlin/Configuration.h

@@ -35,7 +35,7 @@
  *
  * Advanced settings can be found in Configuration_adv.h
  */
-#define CONFIGURATION_H_VERSION 020008
+#define CONFIGURATION_H_VERSION 02000900
 
 //===========================================================================
 //============================= Getting Started =============================
@@ -66,11 +66,19 @@
 //
 //===========================================================================
 
+//===========================================================================
+//=========================== FOAMCUTTER_XYUV ==============================
+//===========================================================================
+// For a hot wire cutter with parallel horizontal axes X, I where the hights
+// of the two wire ends are controlled by parallel axes Y, J.
+//
+//#define FOAMCUTTER_XYUV
+
 // @section info
 
 // Author info of this build printed to the host during boot and M115
-#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
-//#define CUSTOM_VERSION_FILE Version.h // Path from the root directory (no quotes)
+#define STRING_CONFIG_H_AUTHOR "InsanityAutomation" // Who made the changes.
+#define CUSTOM_VERSION_FILE Version.h // Path from the root directory (no quotes)
 
 /**
  * *** VENDORS PLEASE READ ***
@@ -87,7 +95,7 @@
 #define SHOW_BOOTSCREEN
 
 // Show the bitmap in Marlin/_Bootscreen.h on startup.
-//#define SHOW_CUSTOM_BOOTSCREEN
+#define SHOW_CUSTOM_BOOTSCREEN
 
 // Show the bitmap in Marlin/_Statusscreen.h on the status screen.
 //#define CUSTOM_STATUS_SCREEN_IMAGE
@@ -105,14 +113,9 @@
 #define SERIAL_PORT 0
 
 /**
- * Select a secondary serial port on the board to use for communication with the host.
- * Currently Ethernet (-2) is only supported on Teensy 4.1 boards.
- * :[-2, -1, 0, 1, 2, 3, 4, 5, 6, 7]
- */
-//#define SERIAL_PORT_2 -1
-
-/**
- * This setting determines the communication speed of the printer.
+ * Serial Port Baud Rate
+ * This is the default communication speed for all serial ports.
+ * Set the baud rate defaults for additional serial ports below.
  *
  * 250000 works in most cases, but you might try a lower speed if
  * you commonly experience drop-outs during host printing.
@@ -121,6 +124,23 @@
  * :[2400, 9600, 19200, 38400, 57600, 115200, 250000, 500000, 1000000]
  */
 #define BAUDRATE 250000
+//#define BAUD_RATE_GCODE     // Enable G-code M575 to set the baud rate
+
+/**
+ * Select a secondary serial port on the board to use for communication with the host.
+ * Currently Ethernet (-2) is only supported on Teensy 4.1 boards.
+ * :[-2, -1, 0, 1, 2, 3, 4, 5, 6, 7]
+ */
+//#define SERIAL_PORT_2 -1
+//#define BAUDRATE_2 250000   // Enable to override BAUDRATE
+
+/**
+ * Select a third serial port on the board to use for communication with the host.
+ * Currently only supported for AVR, DUE, LPC1768/9 and STM32/STM32F1
+ * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
+ */
+//#define SERIAL_PORT_3 1
+//#define BAUDRATE_3 250000   // Enable to override BAUDRATE
 
 // Enable the Bluetooth serial interface on AT90USB devices
 //#define BLUETOOTH
@@ -137,6 +157,45 @@
 // Choose your own or use a service like https://www.uuidgenerator.net/version4
 //#define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
 
+/**
+ * Define the number of coordinated linear axes.
+ * See https://github.com/DerAndere1/Marlin/wiki
+ * Each linear axis gets its own stepper control and endstop:
+ *
+ *   Steppers: *_STEP_PIN, *_ENABLE_PIN, *_DIR_PIN, *_ENABLE_ON
+ *   Endstops: *_STOP_PIN, USE_*MIN_PLUG, USE_*MAX_PLUG
+ *       Axes: *_MIN_POS, *_MAX_POS, INVERT_*_DIR
+ *    Planner: DEFAULT_AXIS_STEPS_PER_UNIT, DEFAULT_MAX_FEEDRATE
+ *             DEFAULT_MAX_ACCELERATION, AXIS_RELATIVE_MODES,
+ *             MICROSTEP_MODES, MANUAL_FEEDRATE
+ *
+ * :[3, 4, 5, 6]
+ */
+//#define LINEAR_AXES 3
+
+/**
+ * Axis codes for additional axes:
+ * This defines the axis code that is used in G-code commands to
+ * reference a specific axis.
+ * 'A' for rotational axis parallel to X
+ * 'B' for rotational axis parallel to Y
+ * 'C' for rotational axis parallel to Z
+ * 'U' for secondary linear axis parallel to X
+ * 'V' for secondary linear axis parallel to Y
+ * 'W' for secondary linear axis parallel to Z
+ * Regardless of the settings, firmware-internal axis IDs are
+ * I (AXIS4), J (AXIS5), K (AXIS6).
+ */
+#if LINEAR_AXES >= 4
+  #define AXIS4_NAME 'A' // :['A', 'B', 'C', 'U', 'V', 'W']
+#endif
+#if LINEAR_AXES >= 5
+  #define AXIS5_NAME 'B' // :['A', 'B', 'C', 'U', 'V', 'W']
+#endif
+#if LINEAR_AXES >= 6
+  #define AXIS6_NAME 'C' // :['A', 'B', 'C', 'U', 'V', 'W']
+#endif
+
 // @section extruder
 
 // This defines the number of extruders
@@ -417,7 +476,7 @@
 #define TEMP_SENSOR_5 0
 #define TEMP_SENSOR_6 0
 #define TEMP_SENSOR_7 0
-#define TEMP_SENSOR_BED 0
+#define TEMP_SENSOR_BED 1
 #define TEMP_SENSOR_PROBE 0
 #define TEMP_SENSOR_CHAMBER 0
 #define TEMP_SENSOR_COOLER 0
@@ -437,12 +496,12 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-#define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109
-#define TEMP_WINDOW                  1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_RESIDENCY_TIME         5  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW                  3  // (°C) Temperature proximity for the "temperature reached" timer
 #define TEMP_HYSTERESIS              3  // (°C) Temperature proximity considered "close enough" to the target
 
-#define TEMP_BED_RESIDENCY_TIME     10  // (seconds) Time to wait for bed to "settle" in M190
-#define TEMP_BED_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_RESIDENCY_TIME     5  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW              2  // (°C) Temperature proximity for the "temperature reached" timer
 #define TEMP_BED_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
 #define TEMP_CHAMBER_RESIDENCY_TIME 10  // (seconds) Time to wait for chamber to "settle" in M191
@@ -465,7 +524,7 @@
 // Above this temperature the heater will be switched off.
 // This can protect components from overheating, but NOT from shorts and failures.
 // (Use MINTEMP for thermistor short/failure protection.)
-#define HEATER_0_MAXTEMP 275
+#define HEATER_0_MAXTEMP 305
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
@@ -498,8 +557,8 @@
 #define PID_K1 0.95      // Smoothing factor within any PID loop
 
 #if ENABLED(PIDTEMP)
-  //#define PID_EDIT_MENU         // Add PID editing to the "Advanced Settings" menu. (~700 bytes of PROGMEM)
-  //#define PID_AUTOTUNE_MENU     // Add PID auto-tuning to the "Advanced Settings" menu. (~250 bytes of PROGMEM)
+  #define PID_EDIT_MENU         // Add PID editing to the "Advanced Settings" menu. (~700 bytes of PROGMEM)
+  #define PID_AUTOTUNE_MENU     // Add PID auto-tuning to the "Advanced Settings" menu. (~250 bytes of PROGMEM)
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
 
@@ -510,9 +569,9 @@
     #define DEFAULT_Ki_LIST {   1.08,   1.08 }
     #define DEFAULT_Kd_LIST { 114.00, 114.00 }
   #else
-    #define DEFAULT_Kp  22.20
-    #define DEFAULT_Ki   1.08
-    #define DEFAULT_Kd 114.00
+    #define DEFAULT_Kp  19.0
+    #define DEFAULT_Ki   1.47
+    #define DEFAULT_Kd 61.00
   #endif
 #endif // PIDTEMP
 
@@ -533,7 +592,7 @@
  * heater. If your configuration is significantly different than this and you don't understand
  * the issues involved, don't use bed PID until someone else verifies that your hardware works.
  */
-//#define PIDTEMPBED
+#define PIDTEMPBED
 
 //#define BED_LIMIT_SWITCHING
 
@@ -551,9 +610,9 @@
 
   // 120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
   // from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
-  #define DEFAULT_bedKp 10.00
-  #define DEFAULT_bedKi .023
-  #define DEFAULT_bedKd 305.4
+  #define DEFAULT_bedKp 195.13
+  #define DEFAULT_bedKi 29.05
+  #define DEFAULT_bedKd 873.85
 
   // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
 #endif // PIDTEMPBED
@@ -679,9 +738,15 @@
 #define USE_XMIN_PLUG
 #define USE_YMIN_PLUG
 #define USE_ZMIN_PLUG
+//#define USE_IMIN_PLUG
+//#define USE_JMIN_PLUG
+//#define USE_KMIN_PLUG
 //#define USE_XMAX_PLUG
 //#define USE_YMAX_PLUG
 //#define USE_ZMAX_PLUG
+//#define USE_IMAX_PLUG
+//#define USE_JMAX_PLUG
+//#define USE_KMAX_PLUG
 
 // Enable pullup for all endstops to prevent a floating state
 #define ENDSTOPPULLUPS
@@ -690,9 +755,15 @@
   //#define ENDSTOPPULLUP_XMAX
   //#define ENDSTOPPULLUP_YMAX
   //#define ENDSTOPPULLUP_ZMAX
+  //#define ENDSTOPPULLUP_IMAX
+  //#define ENDSTOPPULLUP_JMAX
+  //#define ENDSTOPPULLUP_KMAX
   //#define ENDSTOPPULLUP_XMIN
   //#define ENDSTOPPULLUP_YMIN
   //#define ENDSTOPPULLUP_ZMIN
+  //#define ENDSTOPPULLUP_IMIN
+  //#define ENDSTOPPULLUP_JMIN
+  //#define ENDSTOPPULLUP_KMIN
   //#define ENDSTOPPULLUP_ZMIN_PROBE
 #endif
 
@@ -703,19 +774,31 @@
   //#define ENDSTOPPULLDOWN_XMAX
   //#define ENDSTOPPULLDOWN_YMAX
   //#define ENDSTOPPULLDOWN_ZMAX
+  //#define ENDSTOPPULLDOWN_IMAX
+  //#define ENDSTOPPULLDOWN_JMAX
+  //#define ENDSTOPPULLDOWN_KMAX
   //#define ENDSTOPPULLDOWN_XMIN
   //#define ENDSTOPPULLDOWN_YMIN
   //#define ENDSTOPPULLDOWN_ZMIN
+  //#define ENDSTOPPULLDOWN_IMIN
+  //#define ENDSTOPPULLDOWN_JMIN
+  //#define ENDSTOPPULLDOWN_KMIN
   //#define ENDSTOPPULLDOWN_ZMIN_PROBE
 #endif
 
 // Mechanical endstop with COM to ground and NC to Signal uses "false" here (most common setup).
-#define X_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define Y_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define Z_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define X_MIN_ENDSTOP_INVERTING true // Set to true to invert the logic of the endstop.
+#define Y_MIN_ENDSTOP_INVERTING true // Set to true to invert the logic of the endstop.
+#define Z_MIN_ENDSTOP_INVERTING true // Set to true to invert the logic of the endstop.
+#define I_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define J_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define K_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define X_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define Y_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define Z_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define I_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define J_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define K_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define Z_MIN_PROBE_ENDSTOP_INVERTING false // Set to true to invert the logic of the probe.
 
 /**
@@ -744,6 +827,9 @@
 //#define Z2_DRIVER_TYPE A4988
 //#define Z3_DRIVER_TYPE A4988
 //#define Z4_DRIVER_TYPE A4988
+//#define I_DRIVER_TYPE  A4988
+//#define J_DRIVER_TYPE  A4988
+//#define K_DRIVER_TYPE  A4988
 #define E0_DRIVER_TYPE A4988
 //#define E1_DRIVER_TYPE A4988
 //#define E2_DRIVER_TYPE A4988
@@ -797,16 +883,16 @@
 /**
  * Default Axis Steps Per Unit (steps/mm)
  * Override with M92
- *                                      X, Y, Z, E0 [, E1[, E2...]]
+ *                                      X, Y, Z [, I [, J [, K]]], E0 [, E1[, E2...]]
  */
-#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 500 }
+#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 106.09 }
 
 /**
  * Default Max Feed Rate (mm/s)
  * Override with M203
- *                                      X, Y, Z, E0 [, E1[, E2...]]
+ *                                      X, Y, Z [, I [, J [, K]]], E0 [, E1[, E2...]]
  */
-#define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
+#define DEFAULT_MAX_FEEDRATE          { 300, 300, 15, 75 }
 
 //#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
 #if ENABLED(LIMITED_MAX_FR_EDITING)
@@ -817,9 +903,9 @@
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
  * Override with M201
- *                                      X, Y, Z, E0 [, E1[, E2...]]
+ *                                      X, Y, Z [, I [, J [, K]]], E0 [, E1[, E2...]]
  */
-#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
+#define DEFAULT_MAX_ACCELERATION      { 1500, 1500, 100, 10000 }
 
 //#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
 #if ENABLED(LIMITED_MAX_ACCEL_EDITING)
@@ -834,9 +920,9 @@
  *   M204 R    Retract Acceleration
  *   M204 T    Travel Acceleration
  */
-#define DEFAULT_ACCELERATION          3000    // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_ACCELERATION          750    // X, Y, Z and E acceleration for printing moves
 #define DEFAULT_RETRACT_ACCELERATION  3000    // E acceleration for retracts
-#define DEFAULT_TRAVEL_ACCELERATION   3000    // X, Y, Z acceleration for travel (non printing) moves
+#define DEFAULT_TRAVEL_ACCELERATION   750    // X, Y, Z acceleration for travel (non printing) moves
 
 /**
  * Default Jerk limits (mm/s)
@@ -846,11 +932,14 @@
  * When changing speed and direction, if the difference is less than the
  * value set here, it may happen instantaneously.
  */
-//#define CLASSIC_JERK
+#define CLASSIC_JERK
 #if ENABLED(CLASSIC_JERK)
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+  //#define DEFAULT_IJERK  0.3
+  //#define DEFAULT_JJERK  0.3
+  //#define DEFAULT_KJERK  0.3
 
   //#define TRAVEL_EXTRA_XYJERK 0.0     // Additional jerk allowance for all travel moves
 
@@ -883,7 +972,7 @@
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define S_CURVE_ACCELERATION
+#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================
@@ -933,8 +1022,7 @@
  * Use G29 repeatedly, adjusting the Z height at each point with movement commands
  * or (with LCD_BED_LEVELING) the LCD controller.
  */
-//#define PROBE_MANUALLY
-//#define MANUAL_PROBE_START_Z 0.2
+#define PROBE_MANUALLY
 
 /**
  * A Fix-Mounted Probe either doesn't deploy or needs manual deployment.
@@ -1166,12 +1254,18 @@
 #define Y_ENABLE_ON 0
 #define Z_ENABLE_ON 0
 #define E_ENABLE_ON 0 // For all extruders
+//#define I_ENABLE_ON 0
+//#define J_ENABLE_ON 0
+//#define K_ENABLE_ON 0
 
 // Disable axis steppers immediately when they're not being stepped.
 // WARNING: When motors turn off there is a chance of losing position accuracy!
 #define DISABLE_X false
 #define DISABLE_Y false
 #define DISABLE_Z false
+//#define DISABLE_I false
+//#define DISABLE_J false
+//#define DISABLE_K false
 
 // Turn off the display blinking that warns about possible accuracy reduction
 //#define DISABLE_REDUCED_ACCURACY_WARNING
@@ -1184,14 +1278,17 @@
 // @section machine
 
 // Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
-#define INVERT_X_DIR false
+#define INVERT_X_DIR true
 #define INVERT_Y_DIR true
 #define INVERT_Z_DIR false
+//#define INVERT_I_DIR false
+//#define INVERT_J_DIR false
+//#define INVERT_K_DIR false
 
 // @section extruder
 
 // For direct drive extruder v9 set to true, for geared extruder set to false.
-#define INVERT_E0_DIR false
+#define INVERT_E0_DIR true
 #define INVERT_E1_DIR false
 #define INVERT_E2_DIR false
 #define INVERT_E3_DIR false
@@ -1222,20 +1319,29 @@
 #define X_HOME_DIR -1
 #define Y_HOME_DIR -1
 #define Z_HOME_DIR -1
+//#define I_HOME_DIR -1
+//#define J_HOME_DIR -1
+//#define K_HOME_DIR -1
 
 // @section machine
 
-// The size of the print bed
-#define X_BED_SIZE 200
-#define Y_BED_SIZE 200
+// The size of the printable area
+#define X_BED_SIZE 310
+#define Y_BED_SIZE 310
 
 // Travel limits (mm) after homing, corresponding to endstop positions.
-#define X_MIN_POS 0
-#define Y_MIN_POS 0
+#define X_MIN_POS -10
+#define Y_MIN_POS -10
 #define Z_MIN_POS 0
 #define X_MAX_POS X_BED_SIZE
 #define Y_MAX_POS Y_BED_SIZE
-#define Z_MAX_POS 200
+#define Z_MAX_POS 400
+//#define I_MIN_POS 0
+//#define I_MAX_POS 50
+//#define J_MIN_POS 0
+//#define J_MAX_POS 50
+//#define K_MIN_POS 0
+//#define K_MAX_POS 50
 
 /**
  * Software Endstops
@@ -1252,6 +1358,9 @@
   #define MIN_SOFTWARE_ENDSTOP_X
   #define MIN_SOFTWARE_ENDSTOP_Y
   #define MIN_SOFTWARE_ENDSTOP_Z
+  #define MIN_SOFTWARE_ENDSTOP_I
+  #define MIN_SOFTWARE_ENDSTOP_J
+  #define MIN_SOFTWARE_ENDSTOP_K
 #endif
 
 // Max software endstops constrain movement within maximum coordinate bounds
@@ -1260,10 +1369,13 @@
   #define MAX_SOFTWARE_ENDSTOP_X
   #define MAX_SOFTWARE_ENDSTOP_Y
   #define MAX_SOFTWARE_ENDSTOP_Z
+  #define MAX_SOFTWARE_ENDSTOP_I
+  #define MAX_SOFTWARE_ENDSTOP_J
+  #define MAX_SOFTWARE_ENDSTOP_K
 #endif
 
 #if EITHER(MIN_SOFTWARE_ENDSTOPS, MAX_SOFTWARE_ENDSTOPS)
-  //#define SOFT_ENDSTOPS_MENU_ITEM  // Enable/Disable software endstops from the LCD
+  #define SOFT_ENDSTOPS_MENU_ITEM  // Enable/Disable software endstops from the LCD
 #endif
 
 /**
@@ -1279,10 +1391,11 @@
  * RAMPS-based boards use SERVO3_PIN for the first runout sensor.
  * For other boards you may need to define FIL_RUNOUT_PIN, FIL_RUNOUT2_PIN, etc.
  */
-//#define FILAMENT_RUNOUT_SENSOR
+#define FILAMENT_RUNOUT_SENSOR
 #if ENABLED(FILAMENT_RUNOUT_SENSOR)
   #define FIL_RUNOUT_ENABLED_DEFAULT true // Enable the sensor on startup. Override with M412 followed by M500.
   #define NUM_RUNOUT_SENSORS   1          // Number of sensors, up to one per extruder. Define a FIL_RUNOUT#_PIN for each.
+  #define FIL_RUNOUT_PIN       2
 
   #define FIL_RUNOUT_STATE     LOW        // Pin state indicating that filament is NOT present.
   #define FIL_RUNOUT_PULLUP               // Use internal pullup for filament runout pins.
@@ -1331,7 +1444,7 @@
   // After a runout is detected, continue printing this length of filament
   // before executing the runout script. Useful for a sensor at the end of
   // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
-  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+  #define FILAMENT_RUNOUT_DISTANCE_MM 5
 
   #ifdef FILAMENT_RUNOUT_DISTANCE_MM
     // Enable this option to use an encoder disc that toggles the runout pin
@@ -1381,7 +1494,7 @@
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
-//#define AUTO_BED_LEVELING_BILINEAR
+#define AUTO_BED_LEVELING_BILINEAR
 //#define AUTO_BED_LEVELING_UBL
 //#define MESH_BED_LEVELING
 
@@ -1390,7 +1503,7 @@
  * these options to restore the prior leveling state or to always enable
  * leveling immediately after G28.
  */
-//#define RESTORE_LEVELING_AFTER_G28
+#define RESTORE_LEVELING_AFTER_G28
 //#define ENABLE_LEVELING_AFTER_G28
 
 /**
@@ -1409,13 +1522,18 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ANY(MESH_BED_LEVELING, AUTO_BED_LEVELING_UBL, PROBE_MANUALLY)
+  // Set a height for the start of manual adjustment
+  #define MANUAL_PROBE_START_Z 0.2  // (mm) Comment out to use the last-measured height
+#endif
+
 #if ANY(MESH_BED_LEVELING, AUTO_BED_LEVELING_BILINEAR, AUTO_BED_LEVELING_UBL)
   // Gradually reduce leveling correction until a set height is reached,
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
   #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
-    #define DEFAULT_LEVELING_FADE_HEIGHT 10.0 // (mm) Default fade height.
+    #define DEFAULT_LEVELING_FADE_HEIGHT 00.0 // (mm) Default fade height.
   #endif
 
   // For Cartesian machines, instead of dividing moves on mesh boundaries,
@@ -1427,7 +1545,7 @@
   /**
    * Enable the G26 Mesh Validation Pattern tool.
    */
-  //#define G26_MESH_VALIDATION
+  #define G26_MESH_VALIDATION
   #if ENABLED(G26_MESH_VALIDATION)
     #define MESH_TEST_NOZZLE_SIZE    0.4  // (mm) Diameter of primary nozzle.
     #define MESH_TEST_LAYER_HEIGHT   0.2  // (mm) Default layer height for G26.
@@ -1443,7 +1561,7 @@
 #if EITHER(AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
-  #define GRID_MAX_POINTS_X 3
+  #define GRID_MAX_POINTS_X 5
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
 
   // Probe along the Y axis, advancing X after each column
@@ -1453,13 +1571,13 @@
 
     // Beyond the probed grid, continue the implied tilt?
     // Default is to maintain the height of the nearest edge.
-    //#define EXTRAPOLATE_BEYOND_GRID
+    #define EXTRAPOLATE_BEYOND_GRID
 
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
     //
-    //#define ABL_BILINEAR_SUBDIVISION
+    #define ABL_BILINEAR_SUBDIVISION
     #if ENABLED(ABL_BILINEAR_SUBDIVISION)
       // Number of subdivisions between probe points
       #define BILINEAR_SUBDIVISIONS 3
@@ -1487,14 +1605,16 @@
   //#define UBL_Z_RAISE_WHEN_OFF_MESH 2.5 // When the nozzle is off the mesh, this value is used
                                           // as the Z-Height correction value.
 
+  //#define UBL_MESH_WIZARD         // Run several commands in a row to get a complete mesh
+
 #elif ENABLED(MESH_BED_LEVELING)
 
   //===========================================================================
   //=================================== Mesh ==================================
   //===========================================================================
 
-  #define MESH_INSET 10          // Set Mesh bounds as an inset region of the bed
-  #define GRID_MAX_POINTS_X 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_INSET 5          // Set Mesh bounds as an inset region of the bed
+  #define GRID_MAX_POINTS_X 5    // Don't use more than 7 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
 
   //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
@@ -1505,12 +1625,12 @@
  * Add a bed leveling sub-menu for ABL or MBL.
  * Include a guided procedure if manual probing is enabled.
  */
-//#define LCD_BED_LEVELING
+#define LCD_BED_LEVELING
 
 #if ENABLED(LCD_BED_LEVELING)
   #define MESH_EDIT_Z_STEP  0.025 // (mm) Step size while manually probing Z axis.
   #define LCD_PROBE_Z_RANGE 4     // (mm) Z Range centered on Z_MIN_POS for LCD Z adjustment
-  //#define MESH_EDIT_MENU        // Add a menu to edit mesh points
+  #define MESH_EDIT_MENU        // Add a menu to edit mesh points
 #endif
 
 // Add a menu item to move between bed corners for manual bed adjustment
@@ -1564,6 +1684,9 @@
 //#define MANUAL_X_HOME_POS 0
 //#define MANUAL_Y_HOME_POS 0
 //#define MANUAL_Z_HOME_POS 0
+//#define MANUAL_I_HOME_POS 0
+//#define MANUAL_J_HOME_POS 0
+//#define MANUAL_K_HOME_POS 0
 
 // Use "Z Safe Homing" to avoid homing with a Z probe outside the bed area.
 //
@@ -1659,12 +1782,12 @@
  *   M501 - Read settings from EEPROM. (i.e., Throw away unsaved changes)
  *   M502 - Revert settings to "factory" defaults. (Follow with M500 to init the EEPROM.)
  */
-//#define EEPROM_SETTINGS     // Persistent storage with M500 and M501
+#define EEPROM_SETTINGS     // Persistent storage with M500 and M501
 //#define DISABLE_M503        // Saves ~2700 bytes of PROGMEM. Disable for release!
 #define EEPROM_CHITCHAT       // Give feedback on EEPROM commands. Disable to save PROGMEM.
 #define EEPROM_BOOT_SILENT    // Keep M503 quiet and only give errors during first load
 #if ENABLED(EEPROM_SETTINGS)
-  //#define EEPROM_AUTO_INIT  // Init EEPROM automatically on any errors.
+  #define EEPROM_AUTO_INIT  // Init EEPROM automatically on any errors.
 #endif
 
 //
@@ -1715,11 +1838,11 @@
  *    P1  Raise the nozzle always to Z-park height.
  *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
  */
-//#define NOZZLE_PARK_FEATURE
+#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   // Specify a park position as { X, Y, Z_raise }
-  #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
+  #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
   //#define NOZZLE_PARK_X_ONLY          // X move only is required to park
   //#define NOZZLE_PARK_Y_ONLY          // Y move only is required to park
   #define NOZZLE_PARK_Z_RAISE_MIN   2   // (mm) Always raise Z by at least this distance
@@ -1806,11 +1929,20 @@
 /**
  * Print Job Timer
  *
- * Automatically start and stop the print job timer on M104/M109/M190.
+ * Automatically start and stop the print job timer on M104/M109/M140/M190/M141/M191.
+ * The print job timer will only be stopped if the bed/chamber target temp is
+ * below BED_MINTEMP/CHAMBER_MINTEMP.
  *
- *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
- *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
- *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *   M104 (hotend, no wait)  - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)     - high temp = start timer, low temp = stop timer
+ *   M140 (bed, no wait)     - high temp = none,        low temp = stop timer
+ *   M190 (bed, wait)        - high temp = start timer, low temp = none
+ *   M141 (chamber, no wait) - high temp = none,        low temp = stop timer
+ *   M191 (chamber, wait)    - high temp = start timer, low temp = none
+ *
+ * For M104/M109, high temp is anything over EXTRUDE_MINTEMP / 2.
+ * For M140/M190, high temp is anything over BED_MINTEMP.
+ * For M141/M191, high temp is anything over CHAMBER_MINTEMP.
  *
  * The timer can also be controlled with the following commands:
  *
@@ -1923,7 +2055,7 @@
  * SD Card support is disabled by default. If your controller has an SD slot,
  * you must uncomment the following option or it won't work.
  */
-//#define SDSUPPORT
+#define SDSUPPORT
 
 /**
  * SD CARD: ENABLE CRC
@@ -1993,7 +2125,7 @@
 //
 // Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
 //
-//#define INDIVIDUAL_AXIS_HOMING_MENU
+#define INDIVIDUAL_AXIS_HOMING_MENU
 
 //
 // SPEAKER/BUZZER
@@ -2182,7 +2314,7 @@
 // RepRapDiscount FULL GRAPHIC Smart Controller
 // https://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-//#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
 
 //
 // K.3D Full Graphic Smart Controller
@@ -2254,7 +2386,8 @@
 // MKS LCD12864A/B with graphic controller and SD support. Follows MKS_MINI_12864 pinout.
 // https://www.aliexpress.com/item/33018110072.html
 //
-//#define MKS_LCD12864
+//#define MKS_LCD12864A
+//#define MKS_LCD12864B
 
 //
 // FYSETC variant of the MINI12864 graphic controller with SD support
@@ -2557,7 +2690,7 @@
 //#define DWIN_CREALITY_LCD
 
 //
-// ADS7843/XPT2046 ADC Touchscreen such as ILI9341 2.8
+// Touch Screen Settings
 //
 //#define TOUCH_SCREEN
 #if ENABLED(TOUCH_SCREEN)
@@ -2671,7 +2804,7 @@
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
   #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
-  #define NEOPIXEL_PIN     4       // LED driving pin
+  //#define NEOPIXEL_PIN     4     // LED driving pin
   //#define NEOPIXEL2_TYPE NEOPIXEL_TYPE
   //#define NEOPIXEL2_PIN    5
   #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip. (Longest strip when NEOPIXEL2_SEPARATE is disabled.)
@@ -2689,10 +2822,11 @@
     //#define NEOPIXEL2_INSERIES      // Default behavior is NeoPixel 2 in parallel
   #endif
 
-  // Use a single NeoPixel LED for static (background) lighting
-  //#define NEOPIXEL_BKGD_LED_INDEX  0               // Index of the LED to use
-  //#define NEOPIXEL_BKGD_COLOR { 255, 255, 255, 0 } // R, G, B, W
-  //#define NEOPIXEL_BKGD_ALWAYS_ON                  // Keep the backlight on when other NeoPixels are off
+  // Use some of the NeoPixel LEDs for static (background) lighting
+  //#define NEOPIXEL_BKGD_INDEX_FIRST  0              // Index of the first background LED
+  //#define NEOPIXEL_BKGD_INDEX_LAST   5              // Index of the last background LED
+  //#define NEOPIXEL_BKGD_COLOR { 255, 255, 255, 0 }  // R, G, B, W
+  //#define NEOPIXEL_BKGD_ALWAYS_ON                   // Keep the backlight on when other NeoPixels are off
 #endif
 
 /**

Marlin/Configuration_adv.h

@@ -30,7 +30,7 @@
  *
  * Basic settings can be found in Configuration.h
  */
-#define CONFIGURATION_ADV_H_VERSION 020008
+#define CONFIGURATION_ADV_H_VERSION 02000900
 
 //===========================================================================
 //============================= Thermal Settings ============================
@@ -238,12 +238,12 @@
  * THERMAL_PROTECTION_HYSTERESIS and/or THERMAL_PROTECTION_PERIOD
  */
 #if ENABLED(THERMAL_PROTECTION_HOTENDS)
-  #define THERMAL_PROTECTION_PERIOD 40        // Seconds
-  #define THERMAL_PROTECTION_HYSTERESIS 4     // Degrees Celsius
+  #define THERMAL_PROTECTION_PERIOD 60        // Seconds
+  #define THERMAL_PROTECTION_HYSTERESIS 15     // Degrees Celsius
 
-  //#define ADAPTIVE_FAN_SLOWING              // Slow part cooling fan if temperature drops
+  #define ADAPTIVE_FAN_SLOWING              // Slow part cooling fan if temperature drops
   #if BOTH(ADAPTIVE_FAN_SLOWING, PIDTEMP)
-    //#define NO_FAN_SLOWING_IN_PID_TUNING    // Don't slow fan speed during M303
+    #define NO_FAN_SLOWING_IN_PID_TUNING    // Don't slow fan speed during M303
   #endif
 
   /**
@@ -259,7 +259,7 @@
    * below 2.
    */
   #define WATCH_TEMP_PERIOD  20               // Seconds
-  #define WATCH_TEMP_INCREASE 2               // Degrees Celsius
+  #define WATCH_TEMP_INCREASE 2              // Degrees Celsius
 #endif
 
 /**
@@ -437,9 +437,9 @@
  * Hotend Idle Timeout
  * Prevent filament in the nozzle from charring and causing a critical jam.
  */
-//#define HOTEND_IDLE_TIMEOUT
+#define HOTEND_IDLE_TIMEOUT
 #if ENABLED(HOTEND_IDLE_TIMEOUT)
-  #define HOTEND_IDLE_TIMEOUT_SEC (5*60)    // (seconds) Time without extruder movement to trigger protection
+  #define HOTEND_IDLE_TIMEOUT_SEC (15*60)    // (seconds) Time without extruder movement to trigger protection
   #define HOTEND_IDLE_MIN_TRIGGER   180     // (°C) Minimum temperature to enable hotend protection
   #define HOTEND_IDLE_NOZZLE_TARGET   0     // (°C) Safe temperature for the nozzle after timeout
   #define HOTEND_IDLE_BED_TARGET      0     // (°C) Safe temperature for the bed after timeout
@@ -741,7 +741,7 @@
 
 //#define HOMING_BACKOFF_POST_MM { 2, 2, 2 }  // (mm) Backoff from endstops after homing
 
-//#define QUICK_HOME                          // If G28 contains XY do a diagonal move first
+#define QUICK_HOME                          // If G28 contains XY do a diagonal move first
 //#define HOME_Y_BEFORE_X                     // If G28 contains XY home Y before X
 //#define HOME_Z_FIRST                        // Home Z first. Requires a Z-MIN endstop (not a probe).
 //#define CODEPENDENT_XY_HOMING               // If X/Y can't home without homing Y/X first
@@ -918,6 +918,9 @@
 #define INVERT_X_STEP_PIN false
 #define INVERT_Y_STEP_PIN false
 #define INVERT_Z_STEP_PIN false
+#define INVERT_I_STEP_PIN false
+#define INVERT_J_STEP_PIN false
+#define INVERT_K_STEP_PIN false
 #define INVERT_E_STEP_PIN false
 
 /**
@@ -929,6 +932,9 @@
 #define DISABLE_INACTIVE_X true
 #define DISABLE_INACTIVE_Y true
 #define DISABLE_INACTIVE_Z true  // Set 'false' if the nozzle could fall onto your printed part!
+#define DISABLE_INACTIVE_I true
+#define DISABLE_INACTIVE_J true
+#define DISABLE_INACTIVE_K true
 #define DISABLE_INACTIVE_E true
 
 // Default Minimum Feedrates for printing and travel moves
@@ -965,23 +971,26 @@
 // Backlash Compensation
 // Adds extra movement to axes on direction-changes to account for backlash.
 //
-//#define BACKLASH_COMPENSATION
+#define BACKLASH_COMPENSATION
 #if ENABLED(BACKLASH_COMPENSATION)
   // Define values for backlash distance and correction.
   // If BACKLASH_GCODE is enabled these values are the defaults.
-  #define BACKLASH_DISTANCE_MM { 0, 0, 0 } // (mm)
-  #define BACKLASH_CORRECTION    0.0       // 0.0 = no correction; 1.0 = full correction
+  #define BACKLASH_DISTANCE_MM { 0, 0, 0 } // (mm) One value for each linear axis
+  #define BACKLASH_CORRECTION    0.02       // 0.0 = no correction; 1.0 = full correction
+
+  // Add steps for motor direction changes on CORE kinematics
+  //#define CORE_BACKLASH
 
   // Set BACKLASH_SMOOTHING_MM to spread backlash correction over multiple segments
   // to reduce print artifacts. (Enabling this is costly in memory and computation!)
   //#define BACKLASH_SMOOTHING_MM 3 // (mm)
 
   // Add runtime configuration and tuning of backlash values (M425)
-  //#define BACKLASH_GCODE
+  #define BACKLASH_GCODE
 
   #if ENABLED(BACKLASH_GCODE)
     // Measure the Z backlash when probing (G29) and set with "M425 Z"
-    #define MEASURE_BACKLASH_WHEN_PROBING
+    //#define MEASURE_BACKLASH_WHEN_PROBING
 
     #if ENABLED(MEASURE_BACKLASH_WHEN_PROBING)
       // When measuring, the probe will move up to BACKLASH_MEASUREMENT_LIMIT
@@ -1037,6 +1046,13 @@
   #define CALIBRATION_MEASURE_LEFT
   #define CALIBRATION_MEASURE_BACK
 
+  //#define CALIBRATION_MEASURE_IMIN
+  //#define CALIBRATION_MEASURE_IMAX
+  //#define CALIBRATION_MEASURE_JMIN
+  //#define CALIBRATION_MEASURE_JMAX
+  //#define CALIBRATION_MEASURE_KMIN
+  //#define CALIBRATION_MEASURE_KMAX
+
   // Probing at the exact top center only works if the center is flat. If
   // probing on a screwhead or hollow washer, probe near the edges.
   //#define CALIBRATION_MEASURE_AT_TOP_EDGES
@@ -1172,7 +1188,7 @@
   #endif
 
   // Include a page of printer information in the LCD Main Menu
-  //#define LCD_INFO_MENU
+  #define LCD_INFO_MENU
   #if ENABLED(LCD_INFO_MENU)
     //#define LCD_PRINTER_INFO_IS_BOOTSCREEN // Show bootscreen(s) instead of Printer Info pages
   #endif
@@ -1226,13 +1242,13 @@
   #endif
 
   // Scroll a longer status message into view
-  //#define STATUS_MESSAGE_SCROLLING
+  #define STATUS_MESSAGE_SCROLLING
 
   // On the Info Screen, display XY with one decimal place when possible
   //#define LCD_DECIMAL_SMALL_XY
 
   // Add an 'M73' G-code to set the current percentage
-  //#define LCD_SET_PROGRESS_MANUALLY
+  #define LCD_SET_PROGRESS_MANUALLY
 
   // Show the E position (filament used) during printing
   //#define LCD_SHOW_E_TOTAL
@@ -1298,7 +1314,9 @@
 
   //#define BROWSE_MEDIA_ON_INSERT          // Open the file browser when media is inserted
 
-  #define EVENT_GCODE_SD_ABORT "G28XY"      // G-code to run on SD Abort Print (e.g., "G28XY" or "G27")
+  //#define MEDIA_MENU_AT_TOP               // Force the media menu to be listed on the top of the main menu
+
+  #define EVENT_GCODE_SD_ABORT "M84"      // G-code to run on SD Abort Print (e.g., "G28XY" or "G27")
 
   #if ENABLED(PRINTER_EVENT_LEDS)
     #define PE_LEDS_COMPLETED_TIME  (30*60) // (seconds) Time to keep the LED "done" color before restoring normal illumination
@@ -1312,7 +1330,7 @@
    * an option on the LCD screen to continue the print from the last-known
    * point in the file.
    */
-  //#define POWER_LOSS_RECOVERY
+  #define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
     #define PLR_ENABLED_DEFAULT   false // Power Loss Recovery enabled by default. (Set with 'M413 Sn' & M500)
     //#define BACKUP_POWER_SUPPLY       // Backup power / UPS to move the steppers on power loss
@@ -1378,10 +1396,10 @@
   //#define UTF_FILENAME_SUPPORT
 
   // This allows hosts to request long names for files and folders with M33
-  //#define LONG_FILENAME_HOST_SUPPORT
+  #define LONG_FILENAME_HOST_SUPPORT
 
   // Enable this option to scroll long filenames in the SD card menu
-  //#define SCROLL_LONG_FILENAMES
+  #define SCROLL_LONG_FILENAMES
 
   // Leave the heaters on after Stop Print (not recommended!)
   //#define SD_ABORT_NO_COOLDOWN
@@ -1403,7 +1421,7 @@
   /**
    * Auto-report SdCard status with M27 S<seconds>
    */
-  //#define AUTO_REPORT_SD_STATUS
+  #define AUTO_REPORT_SD_STATUS
 
   /**
    * Support for USB thumb drives using an Arduino USB Host Shield or
@@ -1483,8 +1501,8 @@
   #if ENABLED(MULTI_VOLUME)
     #define VOLUME_SD_ONBOARD
     #define VOLUME_USB_FLASH_DRIVE
-    #define DEFAULT_VOLUME SD_ONBOARD
-    #define DEFAULT_SHARED_VOLUME USB_FLASH_DRIVE
+    #define DEFAULT_VOLUME SV_SD_ONBOARD
+    #define DEFAULT_SHARED_VOLUME SV_USB_FLASH_DRIVE
   #endif
 
 #endif // SDSUPPORT
@@ -1617,6 +1635,31 @@
   #endif
 #endif // HAS_DGUS_LCD
 
+//
+// Additional options for AnyCubic Chiron TFT displays
+//
+#if ENABLED(ANYCUBIC_LCD_CHIRON)
+  // By default the type of panel is automatically detected.
+  // Enable one of these options if you know the panel type.
+  //#define CHIRON_TFT_STANDARD
+  //#define CHIRON_TFT_NEW
+
+  // Enable the longer Anycubic powerup startup tune
+  //#define AC_DEFAULT_STARTUP_TUNE
+
+  /**
+   * Display Folders
+   * By default the file browser lists all G-code files (including those in subfolders) in a flat list.
+   * Enable this option to display a hierarchical file browser.
+   *
+   * NOTES:
+   * - Without this option it helps to enable SDCARD_SORT_ALPHA so files are sorted before/after folders.
+   * - When used with the "new" panel, folder names will also have '.gcode' appended to their names.
+   *   This hack is currently required to force the panel to show folders.
+   */
+  #define AC_SD_FOLDER_VIEW
+#endif
+
 //
 // Specify additional languages for the UI. Default specified by LCD_LANGUAGE.
 //
@@ -1762,18 +1805,18 @@
  *
  * Warning: Does not respect endstops!
  */
-//#define BABYSTEPPING
+#define BABYSTEPPING
 #if ENABLED(BABYSTEPPING)
-  //#define INTEGRATED_BABYSTEPPING         // EXPERIMENTAL integration of babystepping into the Stepper ISR
+  #define INTEGRATED_BABYSTEPPING         // EXPERIMENTAL integration of babystepping into the Stepper ISR
   //#define BABYSTEP_WITHOUT_HOMING
-  //#define BABYSTEP_ALWAYS_AVAILABLE       // Allow babystepping at all times (not just during movement).
+  #define BABYSTEP_ALWAYS_AVAILABLE       // Allow babystepping at all times (not just during movement).
   //#define BABYSTEP_XY                     // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false           // Change if Z babysteps should go the other way
   //#define BABYSTEP_MILLIMETER_UNITS       // Specify BABYSTEP_MULTIPLICATOR_(XY|Z) in mm instead of micro-steps
   #define BABYSTEP_MULTIPLICATOR_Z  1       // (steps or mm) Steps or millimeter distance for each Z babystep
   #define BABYSTEP_MULTIPLICATOR_XY 1       // (steps or mm) Steps or millimeter distance for each XY babystep
 
-  //#define DOUBLECLICK_FOR_Z_BABYSTEPPING  // Double-click on the Status Screen for Z Babystepping.
+  #define DOUBLECLICK_FOR_Z_BABYSTEPPING  // Double-click on the Status Screen for Z Babystepping.
   #if ENABLED(DOUBLECLICK_FOR_Z_BABYSTEPPING)
     #define DOUBLECLICK_MAX_INTERVAL 1250   // Maximum interval between clicks, in milliseconds.
                                             // Note: Extra time may be added to mitigate controller latency.
@@ -1783,7 +1826,7 @@
     #endif
   #endif
 
-  //#define BABYSTEP_DISPLAY_TOTAL          // Display total babysteps since last G28
+  #define BABYSTEP_DISPLAY_TOTAL          // Display total babysteps since last G28
 
   //#define BABYSTEP_ZPROBE_OFFSET          // Combine M851 Z and Babystepping
   #if ENABLED(BABYSTEP_ZPROBE_OFFSET)
@@ -2086,9 +2129,6 @@
   //#define SERIAL_XON_XOFF
 #endif
 
-// Add M575 G-code to change the baud rate
-//#define BAUD_RATE_GCODE
-
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
@@ -2113,11 +2153,22 @@
  * Currently handles M108, M112, M410, M876
  * NOTE: Not yet implemented for all platforms.
  */
-//#define EMERGENCY_PARSER
+#define EMERGENCY_PARSER
 
 /**
- * Realtime Reporting
- * Add support for commands S000 State, P000 Pause, and R000 Resume
+ * Realtime Reporting (requires EMERGENCY_PARSER)
+ *
+ * - Report position and state of the machine (like Grbl).
+ * - Auto-report position during long moves.
+ * - Useful for CNC/LASER.
+ *
+ * Adds support for commands:
+ *  S000 : Report State and Position while moving.
+ *  P000 : Instant Pause / Hold while moving.
+ *  R000 : Resume from Pause / Hold.
+ *
+ * - During Hold all Emergency Parser commands are available, as usual.
+ * - Enable NANODLP_Z_SYNC and NANODLP_ALL_AXIS for move command end-state reports.
  */
 //#define REALTIME_REPORTING_COMMANDS
 #if ENABLED(REALTIME_REPORTING_COMMANDS)
@@ -2128,10 +2179,10 @@
 // Therefore some clients abort after 30 seconds in a timeout.
 // Some other clients start sending commands while receiving a 'wait'.
 // This "wait" is only sent when the buffer is empty. 1 second is a good value here.
-//#define NO_TIMEOUTS 1000 // Milliseconds
+#define NO_TIMEOUTS 1000 // Milliseconds
 
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
-//#define ADVANCED_OK
+#define ADVANCED_OK
 
 // Printrun may have trouble receiving long strings all at once.
 // This option inserts short delays between lines of serial output.
@@ -2198,6 +2249,13 @@
     //#define EVENT_GCODE_AFTER_TOOLCHANGE "G12X"   // Extra G-code to run after tool-change
   #endif
 
+  /**
+   * Extra G-code to run while executing tool-change commands. Can be used to use an additional
+   * stepper motor (I axis, see option LINEAR_AXES in Configuration.h) to drive the tool-changer.
+   */
+  //#define EVENT_GCODE_TOOLCHANGE_T0 "G28 A\nG1 I0" // Extra G-code to run while executing tool-change command T0
+  //#define EVENT_GCODE_TOOLCHANGE_T1 "G1 A10"       // Extra G-code to run while executing tool-change command T1
+
   /**
    * Tool Sensors detect when tools have been picked up or dropped.
    * Requires the pins TOOL_SENSOR1_PIN, TOOL_SENSOR2_PIN, etc.
@@ -2262,16 +2320,17 @@
 #endif // HAS_MULTI_EXTRUDER
 
 /**
- * Advanced Pause
- * Experimental feature for filament change support and for parking the nozzle when paused.
- * Adds the GCode M600 for initiating filament change.
- * If PARK_HEAD_ON_PAUSE enabled, adds the GCode M125 to pause printing and park the nozzle.
+ * Advanced Pause for Filament Change
+ *  - Adds the G-code M600 Filament Change to initiate a filament change.
+ *  - This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
  *
- * Requires an LCD display.
- * Requires NOZZLE_PARK_FEATURE.
- * This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
+ * Requirements:
+ *  - For Filament Change parking enable and configure NOZZLE_PARK_FEATURE.
+ *  - For user interaction enable an LCD display, HOST_PROMPT_SUPPORT, or EMERGENCY_PARSER.
+ *
+ * Enable PARK_HEAD_ON_PAUSE to add the G-code M125 Pause and Park.
  */
-//#define ADVANCED_PAUSE_FEATURE
+#define ADVANCED_PAUSE_FEATURE
 #if ENABLED(ADVANCED_PAUSE_FEATURE)
   #define PAUSE_PARK_RETRACT_FEEDRATE         60  // (mm/s) Initial retract feedrate.
   #define PAUSE_PARK_RETRACT_LENGTH            2  // (mm) Initial retract.
@@ -2309,11 +2368,11 @@
   #define FILAMENT_CHANGE_ALERT_BEEPS         10  // Number of alert beeps to play when a response is needed.
   #define PAUSE_PARK_NO_STEPPER_TIMEOUT           // Enable for XYZ steppers to stay powered on during filament change.
 
-  //#define PARK_HEAD_ON_PAUSE                    // Park the nozzle during pause and filament change.
-  //#define HOME_BEFORE_FILAMENT_CHANGE           // If needed, home before parking for filament change
+  #define PARK_HEAD_ON_PAUSE                    // Park the nozzle during pause and filament change.
+  #define HOME_BEFORE_FILAMENT_CHANGE           // If needed, home before parking for filament change
 
-  //#define FILAMENT_LOAD_UNLOAD_GCODES           // Add M701/M702 Load/Unload G-codes, plus Load/Unload in the LCD Prepare menu.
-  //#define FILAMENT_UNLOAD_ALL_EXTRUDERS         // Allow M702 to unload all extruders above a minimum target temp (as set by M302)
+  #define FILAMENT_LOAD_UNLOAD_GCODES           // Add M701/M702 Load/Unload G-codes, plus Load/Unload in the LCD Prepare menu.
+  #define FILAMENT_UNLOAD_ALL_EXTRUDERS         // Allow M702 to unload all extruders above a minimum target temp (as set by M302)
 #endif
 
 // @section tmc
@@ -2374,6 +2433,24 @@
     #define Z4_MICROSTEPS       Z_MICROSTEPS
   #endif
 
+  #if AXIS_DRIVER_TYPE_I(TMC26X)
+    #define I_MAX_CURRENT    1000
+    #define I_SENSE_RESISTOR   91
+    #define I_MICROSTEPS       16
+  #endif
+
+  #if AXIS_DRIVER_TYPE_J(TMC26X)
+    #define J_MAX_CURRENT    1000
+    #define J_SENSE_RESISTOR   91
+    #define J_MICROSTEPS       16
+  #endif
+
+  #if AXIS_DRIVER_TYPE_K(TMC26X)
+    #define K_MAX_CURRENT    1000
+    #define K_SENSE_RESISTOR   91
+    #define K_MICROSTEPS       16
+  #endif
+
   #if AXIS_DRIVER_TYPE_E0(TMC26X)
     #define E0_MAX_CURRENT    1000
     #define E0_SENSE_RESISTOR   91
@@ -2524,6 +2601,33 @@
     //#define Z4_INTERPOLATE true
   #endif
 
+  #if AXIS_IS_TMC(I)
+    #define I_CURRENT      800
+    #define I_CURRENT_HOME I_CURRENT
+    #define I_MICROSTEPS    16
+    #define I_RSENSE         0.11
+    #define I_CHAIN_POS     -1
+    //#define I_INTERPOLATE  true
+  #endif
+
+  #if AXIS_IS_TMC(J)
+    #define J_CURRENT      800
+    #define J_CURRENT_HOME J_CURRENT
+    #define J_MICROSTEPS    16
+    #define J_RSENSE         0.11
+    #define J_CHAIN_POS     -1
+    //#define J_INTERPOLATE  true
+  #endif
+
+  #if AXIS_IS_TMC(K)
+    #define K_CURRENT      800
+    #define K_CURRENT_HOME K_CURRENT
+    #define K_MICROSTEPS    16
+    #define K_RSENSE         0.11
+    #define K_CHAIN_POS     -1
+    //#define K_INTERPOLATE  true
+  #endif
+
   #if AXIS_IS_TMC(E0)
     #define E0_CURRENT      800
     #define E0_MICROSTEPS    16
@@ -2599,6 +2703,10 @@
   //#define Y2_CS_PIN         -1
   //#define Z2_CS_PIN         -1
   //#define Z3_CS_PIN         -1
+  //#define Z4_CS_PIN         -1
+  //#define I_CS_PIN          -1
+  //#define J_CS_PIN          -1
+  //#define K_CS_PIN          -1
   //#define E0_CS_PIN         -1
   //#define E1_CS_PIN         -1
   //#define E2_CS_PIN         -1
@@ -2638,6 +2746,9 @@
   //#define Z2_SLAVE_ADDRESS 0
   //#define Z3_SLAVE_ADDRESS 0
   //#define Z4_SLAVE_ADDRESS 0
+  //#define  I_SLAVE_ADDRESS 0
+  //#define  J_SLAVE_ADDRESS 0
+  //#define  K_SLAVE_ADDRESS 0
   //#define E0_SLAVE_ADDRESS 0
   //#define E1_SLAVE_ADDRESS 0
   //#define E2_SLAVE_ADDRESS 0
@@ -2662,6 +2773,9 @@
    */
   #define STEALTHCHOP_XY
   #define STEALTHCHOP_Z
+  #define STEALTHCHOP_I
+  #define STEALTHCHOP_J
+  #define STEALTHCHOP_K
   #define STEALTHCHOP_E
 
   /**
@@ -2733,6 +2847,9 @@
   #define Z2_HYBRID_THRESHOLD      3
   #define Z3_HYBRID_THRESHOLD      3
   #define Z4_HYBRID_THRESHOLD      3
+  #define I_HYBRID_THRESHOLD       3
+  #define J_HYBRID_THRESHOLD       3
+  #define K_HYBRID_THRESHOLD       3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -2779,6 +2896,9 @@
     //#define Z2_STALL_SENSITIVITY Z_STALL_SENSITIVITY
     //#define Z3_STALL_SENSITIVITY Z_STALL_SENSITIVITY
     //#define Z4_STALL_SENSITIVITY Z_STALL_SENSITIVITY
+    //#define I_STALL_SENSITIVITY  8
+    //#define J_STALL_SENSITIVITY  8
+    //#define K_STALL_SENSITIVITY  8
     //#define SPI_ENDSTOPS              // TMC2130 only
     //#define IMPROVE_HOMING_RELIABILITY
   #endif
@@ -2803,7 +2923,7 @@
 
   /**
    * Enable M122 debugging command for TMC stepper drivers.
-   * M122 S0/1 will enable continous reporting.
+   * M122 S0/1 will enable continuous reporting.
    */
   //#define TMC_DEBUG
 
@@ -2919,6 +3039,33 @@
     #define Z4_SLEW_RATE                 1
   #endif
 
+  #if AXIS_DRIVER_TYPE_I(L6470)
+    #define I_MICROSTEPS      128
+    #define I_OVERCURRENT    2000
+    #define I_STALLCURRENT   1500
+    #define I_MAX_VOLTAGE     127
+    #define I_CHAIN_POS        -1
+    #define I_SLEW_RATE         1
+  #endif
+
+  #if AXIS_DRIVER_TYPE_J(L6470)
+    #define J_MICROSTEPS      128
+    #define J_OVERCURRENT    2000
+    #define J_STALLCURRENT   1500
+    #define J_MAX_VOLTAGE     127
+    #define J_CHAIN_POS        -1
+    #define J_SLEW_RATE         1
+  #endif
+
+  #if AXIS_DRIVER_TYPE_K(L6470)
+    #define K_MICROSTEPS      128
+    #define K_OVERCURRENT    2000
+    #define K_STALLCURRENT   1500
+    #define K_MAX_VOLTAGE     127
+    #define K_CHAIN_POS        -1
+    #define K_SLEW_RATE         1
+  #endif
+
   #if AXIS_IS_L64XX(E0)
     #define E0_MICROSTEPS              128
     #define E0_OVERCURRENT            2000
@@ -3124,10 +3271,22 @@
 
   #define SPINDLE_LASER_FREQUENCY       2500   // (Hz) Spindle/laser frequency (only on supported HALs: AVR and LPC)
 
-  //#define SPINDLE_SERVO         // A servo converting an angle to spindle power
+  //#define AIR_EVACUATION                     // Cutter Vacuum / Laser Blower motor control with G-codes M10-M11
+  #if ENABLED(AIR_EVACUATION)
+    #define AIR_EVACUATION_ACTIVE       LOW    // Set to "HIGH" if the on/off function is active HIGH
+    //#define AIR_EVACUATION_PIN        42     // Override the default Cutter Vacuum or Laser Blower pin
+  #endif
+
+  //#define AIR_ASSIST                         // Air Assist control with G-codes M8-M9
+  #if ENABLED(AIR_ASSIST)
+    #define AIR_ASSIST_ACTIVE           LOW    // Active state on air assist pin
+    //#define AIR_ASSIST_PIN            44     // Override the default Air Assist pin
+  #endif
+
+  //#define SPINDLE_SERVO                      // A servo converting an angle to spindle power
   #ifdef SPINDLE_SERVO
-    #define SPINDLE_SERVO_NR   0  // Index of servo used for spindle control
-    #define SPINDLE_SERVO_MIN 10  // Minimum angle for servo spindle
+    #define SPINDLE_SERVO_NR   0               // Index of servo used for spindle control
+    #define SPINDLE_SERVO_MIN 10               // Minimum angle for servo spindle
   #endif
 
   /**
@@ -3342,6 +3501,15 @@
   #define POWER_MONITOR_VOLTAGE_OFFSET  0         // Offset (in volts) applied to the calculated voltage
 #endif
 
+/**
+ * Stepper Driver Anti-SNAFU Protection
+ *
+ * If the SAFE_POWER_PIN is defined for your board, Marlin will check
+ * that stepper drivers are properly plugged in before applying power.
+ * Disable protection if your stepper drivers don't support the feature.
+ */
+//#define DISABLE_DRIVER_SAFE_POWER_PROTECT
+
 /**
  * CNC Coordinate Systems
  *
@@ -3355,6 +3523,11 @@
  */
 #define AUTO_REPORT_TEMPERATURES
 
+/**
+ * Auto-report position with M154 S<seconds>
+ */
+//#define AUTO_REPORT_POSITION
+
 /**
  * Include capabilities in M115 output
  */
@@ -3424,7 +3597,7 @@
 #define PROPORTIONAL_FONT_RATIO 1.0
 
 /**
- * Spend 28 bytes of SRAM to optimize the GCode parser
+ * Spend 28 bytes of SRAM to optimize the G-code parser
  */
 #define FASTER_GCODE_PARSER
 
@@ -3584,10 +3757,10 @@
  * Host Prompt Support enables Marlin to use the host for user prompts so
  * filament runout and other processes can be managed from the host side.
  */
-//#define HOST_ACTION_COMMANDS
+#define HOST_ACTION_COMMANDS
 #if ENABLED(HOST_ACTION_COMMANDS)
-  //#define HOST_PROMPT_SUPPORT
-  //#define HOST_START_MENU_ITEM  // Add a menu item that tells the host to start
+  #define HOST_PROMPT_SUPPORT
+  #define HOST_START_MENU_ITEM  // Add a menu item that tells the host to start
 #endif
 
 /**
@@ -3596,6 +3769,9 @@
  * Implement M486 to allow Marlin to skip objects
  */
 //#define CANCEL_OBJECTS
+#if ENABLED(CANCEL_OBJECTS)
+  #define CANCEL_OBJECTS_REPORTING // Emit the current object as a status message
+#endif
 
 /**
  * I2C position encoders for closed loop control.
@@ -3717,6 +3893,16 @@
   #define GANTRY_CALIBRATION_COMMANDS_POST  "G28"     // G28 highly recommended to ensure an accurate position
 #endif
 
+/**
+ * Instant freeze / unfreeze functionality
+ * Specified pin has pullup and connecting to ground will instantly pause motion.
+ * Potentially useful for emergency stop that allows being resumed.
+ */
+//#define FREEZE_FEATURE
+#if ENABLED(FREEZE_FEATURE)
+  //#define FREEZE_PIN 41   // Override the default (KILL) pin here
+#endif
+
 /**
  * MAX7219 Debug Matrix
  *
@@ -3753,14 +3939,13 @@
 /**
  * NanoDLP Sync support
  *
- * Add support for Synchronized Z moves when using with NanoDLP. G0/G1 axis moves will output "Z_move_comp"
- * string to enable synchronization with DLP projector exposure. This change will allow to use
- * [[WaitForDoneMessage]] instead of populating your gcode with M400 commands
+ * Support for Synchronized Z moves when used with NanoDLP. G0/G1 axis moves will
+ * output a "Z_move_comp" string to enable synchronization with DLP projector exposure.
+ * This feature allows you to use [[WaitForDoneMessage]] instead of M400 commands.
  */
 //#define NANODLP_Z_SYNC
 #if ENABLED(NANODLP_Z_SYNC)
-  //#define NANODLP_ALL_AXIS  // Enables "Z_move_comp" output on any axis move.
-                              // Default behavior is limited to Z axis only.
+  //#define NANODLP_ALL_AXIS  // Send a "Z_move_comp" report for any axis move (not just Z).
 #endif
 
 /**
@@ -3935,3 +4120,9 @@
  * a crash from a remote location. Requires ~400 bytes of SRAM and 5Kb of flash.
  */
 //#define POSTMORTEM_DEBUGGING
+
+/**
+ * Software Reset options
+ */
+//#define SOFT_RESET_VIA_SERIAL         // 'KILL' and '^X' commands will soft-reset the controller
+//#define SOFT_RESET_ON_KILL            // Use a digital button to soft-reset the controller after KILL

Marlin/Makefile

@@ -993,5 +993,5 @@ clean:
 
 .PHONY: all build elf hex eep lss sym program coff extcoff clean depend sizebefore sizeafter
 
-# Automaticaly include the dependency files created by gcc
+# Automatically include the dependency files created by gcc
 -include ${patsubst %.o, %.d, ${OBJ}}

Marlin/Version.h

@@ -28,25 +28,25 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "bugfix-2.0.x"
+#define SHORT_BUILD_VERSION "2.0.8"
 
 /**
  * Verbose version identifier which should contain a reference to the location
  * from where the binary was downloaded or the source code was compiled.
  */
-//#define DETAILED_BUILD_VERSION SHORT_BUILD_VERSION
+#define DETAILED_BUILD_VERSION "IA_" SHORT_BUILD_VERSION
 
 /**
  * The STRING_DISTRIBUTION_DATE represents when the binary file was built,
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
-//#define STRING_DISTRIBUTION_DATE "2019-07-10"
+#define STRING_DISTRIBUTION_DATE "2021-06-05"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.
  */
-//#define MACHINE_NAME "3D Printer"
+#define MACHINE_NAME "Insanity Automation S8"
 
 /**
  * The SOURCE_CODE_URL is the location where users will find the Marlin Source
@@ -54,7 +54,7 @@
  * has a distinct Github fork— the Source Code URL should just be the main
  * Marlin repository.
  */
-//#define SOURCE_CODE_URL "github.com/MarlinFirmware/Marlin"
+#define SOURCE_CODE_URL "github.com/InsanityAutomation"
 
 /**
  * Default generic printer UUID.
@@ -65,7 +65,7 @@
  * The WEBSITE_URL is the location where users can get more information such as
  * documentation about a specific Marlin release.
  */
-//#define WEBSITE_URL "marlinfw.org"
+//#define WEBSITE_URL "insanityautomation.com"
 
 /**
  * Set the vendor info the serial USB interface, if changable

Marlin/_Bootscreen.h

@@ -0,0 +1,113 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Custom Bitmap for splashscreen
+ *
+ * You may use one of the following tools to generate the C++ bitmap array from
+ * a black and white image:
+ *
+ *  - http://www.marlinfw.org/tools/u8glib/converter.html
+ *  - http://www.digole.com/tools/PicturetoC_Hex_converter.php
+ */
+#pragma once
+
+#define CUSTOM_BOOTSCREEN_TIMEOUT   2500
+#define CUSTOM_BOOTSCREEN_BMPWIDTH  128
+#define CUSTOM_BOOTSCREEN_BMPHEIGHT 64
+
+/**
+ * Made with Marlin Bitmap Converter
+ * https://marlinfw.org/tools/u8glib/converter.html
+ *
+ * This bitmap from 128x64 C/C++ data
+ */
+
+
+#define HMIJ3S_BMPWIDTH  128
+
+const unsigned char custom_start_bmp[] PROGMEM = {
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00001111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00111111,B11111000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B01111111,B11111100,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B11111111,B11111110,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B11111111,B11111110,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000001,B11111111,B11111111,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000001,B11111111,B11111111,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000001,B11111111,B11111111,B10000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000011,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000111,B11111111,B11111111,B11111000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00001111,B11111111,B11111111,B11111000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00011111,B11111111,B11111111,B11111100,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00111111,B11111111,B11111111,B11111110,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B01111111,B11111111,B01111111,B11111111,B10000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B11111111,B11111110,B00011111,B11111111,B11000000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B11111111,B11111100,B00001111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000001,B11111111,B11111000,B00000011,B11111111,B11110000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000011,B11111111,B11111000,B00000001,B11111111,B11111000,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000111,B11111111,B11110000,B00000000,B11111111,B11111100,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00001111,B11111111,B11100000,B00000000,B00111111,B11111110,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00011111,B11111111,B11000000,B00000000,B00001111,B11111111,B00000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00011111,B11111111,B10000000,B00000000,B00000111,B11111111,B10000000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00111111,B11111111,B00000000,B00000000,B00000001,B11111111,B11111000,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B01111111,B11111111,B00000000,B00000000,B00000000,B11111111,B11111110,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B11111111,B11111110,B00000000,B00000000,B00000000,B01111111,B11111111,B00000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000001,B11111111,B11111100,B00000000,B00000000,B00000000,B00011111,B11111111,B10000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000001,B11111111,B11111000,B00000000,B00000000,B00000000,B00001111,B11111111,B10000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000011,B11111111,B11110000,B00000000,B00000000,B00000000,B00000111,B11111111,B10000000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000111,B11111111,B11100000,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00001111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000011,B11111111,B11111110,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00011111,B11111111,B11000000,B00000000,B00000000,B00000000,B00000001,B11111111,B11111110,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00111111,B11111111,B10000000,B00000000,B00000000,B00000000,B00000000,B11111110,B01111110,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000001,B11111111,B11111111,B00000000,B00000000,B00000000,B00000000,B00000000,B11111000,B00001110,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00001111,B11111111,B11111110,B00000000,B00000000,B00000000,B00000000,B00000000,B11110000,B00001110,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00011111,B11111111,B11111100,B00000000,B00000000,B00000000,B00000000,B00000000,B11100000,B00000110,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00111111,B11111111,B11111100,B00000000,B00000000,B00000000,B00000000,B00000000,B11100000,B00000110,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B01111111,B11111111,B11111000,B00000000,B00000000,B00000000,B00000000,B00000001,B11100000,B00000110,B00000000,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B01111111,B11111111,B11110000,B00000000,B00000000,B00000000,B00000000,B00000001,B11111000,B00000110,B00000000,B00000000,B00000000,
+  B00000000,B00000111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000001,B11111111,B00111110,B00000000,B00000000,B00000000,
+  B00000000,B00011111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00011111,B11111001,B11110000,B00000000,B00000000,
+  B00000000,B00011111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000001,B11111111,B11110000,B00000000,B00000000,
+  B00000000,B00011111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000011,B11111111,B11000000,B00000000,B00000000,
+  B00000000,B00011111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000011,B11111111,B11100010,B00000000,B00000000,
+  B00000000,B00011111,B11111111,B11111111,B11111111,B11000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B11111111,B11111111,B10000000,B00000000,
+  B00000000,B00011111,B11111111,B11111111,B11111111,B11000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B01000011,B11111111,B11000000,B00000000,
+  B00000000,B00011111,B11111111,B11111111,B11111111,B10000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000111,B11111111,B10000000,B00000000,
+  B00000000,B00011111,B11111111,B11111111,B11111111,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00001111,B11111100,B00000000,B00000000,
+  B00000000,B00001111,B11111111,B11111111,B11111000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00011111,B11111100,B00000000,B00000000,
+  B00011111,B11111111,B11111111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000100,B00111100,B00000000,B00000000,
+  B00111111,B11111111,B11111111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00111001,B00000000,B00000000,
+  B00111111,B11111111,B11111111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B11100001,B11000000,B00000000,
+  B00111111,B11111111,B11111111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000001,B11111111,B11110000,B00000000,
+  B00111111,B11111111,B11111111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B11111111,B11111100,B00000000,
+  B00111111,B11111111,B11111111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B11111111,B11111111,B00000000,
+  B00011111,B11111111,B11111111,B11111111,B11111111,B11111111,B11100000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000111,B11111111,B11100111,B11000000,
+  B00001111,B11111111,B11111111,B11111111,B11111111,B11111111,B10000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000111,B11111111,B11000011,B11110000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000011,B11011111,B11100001,B10000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00001111,B11110000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000111,B11100000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000011,B00000000,B00000000,
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000
+};

Marlin/src/HAL/AVR/HAL.cpp

@@ -58,6 +58,15 @@ void HAL_init() {
   #endif
 }
 
+void HAL_reboot() {
+  #if ENABLED(USE_WATCHDOG)
+    while (1) { /* run out the watchdog */ }
+  #else
+    void (*resetFunc)() = 0;  // Declare resetFunc() at address 0
+    resetFunc();              // Jump to address 0
+  #endif
+}
+
 #if ENABLED(SDSUPPORT)
 
   #include "../../sd/SdFatUtil.h"

Marlin/src/HAL/AVR/HAL.h

@@ -93,28 +93,35 @@ typedef int8_t pin_t;
   #define MYSERIAL1 TERN(BLUETOOTH, btSerial, MSerial0)
 #else
   #if !WITHIN(SERIAL_PORT, -1, 3)
-    #error "SERIAL_PORT must be from -1 to 3. Please update your configuration."
+    #error "SERIAL_PORT must be from 0 to 3, or -1 for USB Serial."
   #endif
   #define MYSERIAL1 customizedSerial1
 
   #ifdef SERIAL_PORT_2
     #if !WITHIN(SERIAL_PORT_2, -1, 3)
-      #error "SERIAL_PORT_2 must be from -1 to 3. Please update your configuration."
+      #error "SERIAL_PORT_2 must be from 0 to 3, or -1 for USB Serial."
     #endif
     #define MYSERIAL2 customizedSerial2
   #endif
+
+  #ifdef SERIAL_PORT_3
+    #if !WITHIN(SERIAL_PORT_3, -1, 3)
+      #error "SERIAL_PORT_3 must be from 0 to 3, or -1 for USB Serial."
+    #endif
+    #define MYSERIAL3 customizedSerial3
+  #endif
 #endif
 
 #ifdef MMU2_SERIAL_PORT
   #if !WITHIN(MMU2_SERIAL_PORT, -1, 3)
-    #error "MMU2_SERIAL_PORT must be from -1 to 3. Please update your configuration."
+    #error "MMU2_SERIAL_PORT must be from 0 to 3, or -1 for USB Serial."
   #endif
   #define MMU2_SERIAL mmuSerial
 #endif
 
 #ifdef LCD_SERIAL_PORT
   #if !WITHIN(LCD_SERIAL_PORT, -1, 3)
-    #error "LCD_SERIAL_PORT must be from -1 to 3. Please update your configuration."
+    #error "LCD_SERIAL_PORT must be from 0 to 3, or -1 for USB Serial."
   #endif
   #define LCD_SERIAL lcdSerial
   #if HAS_DGUS_LCD
@@ -135,7 +142,7 @@ void HAL_init();
 inline void HAL_clear_reset_source() { MCUSR = 0; }
 inline uint8_t HAL_get_reset_source() { return MCUSR; }
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot();
 
 #if GCC_VERSION <= 50000
   #pragma GCC diagnostic push

Marlin/src/HAL/AVR/MarlinSerial.cpp

@@ -567,7 +567,7 @@ ISR(SERIAL_REGNAME(USART, SERIAL_PORT, _UDRE_vect)) {
 
 // Because of the template definition above, it's required to instantiate the template to have all methods generated
 template class MarlinSerial< MarlinSerialCfg<SERIAL_PORT> >;
-MSerialT customizedSerial1(MSerialT::HasEmergencyParser);
+MSerialT1 customizedSerial1(MSerialT1::HasEmergencyParser);
 
 #ifdef SERIAL_PORT_2
 
@@ -582,7 +582,24 @@ MSerialT customizedSerial1(MSerialT::HasEmergencyParser);
 
   template class MarlinSerial< MarlinSerialCfg<SERIAL_PORT_2> >;
   MSerialT2 customizedSerial2(MSerialT2::HasEmergencyParser);
-#endif
+
+#endif // SERIAL_PORT_2
+
+#ifdef SERIAL_PORT_3
+
+  // Hookup ISR handlers
+  ISR(SERIAL_REGNAME(USART, SERIAL_PORT_3, _RX_vect)) {
+    MarlinSerial<MarlinSerialCfg<SERIAL_PORT_3>>::store_rxd_char();
+  }
+
+  ISR(SERIAL_REGNAME(USART, SERIAL_PORT_3, _UDRE_vect)) {
+    MarlinSerial<MarlinSerialCfg<SERIAL_PORT_3>>::_tx_udr_empty_irq();
+  }
+
+  template class MarlinSerial< MarlinSerialCfg<SERIAL_PORT_3> >;
+  MSerialT3 customizedSerial3(MSerialT3::HasEmergencyParser);
+
+#endif // SERIAL_PORT_3
 
 #ifdef MMU2_SERIAL_PORT
 
@@ -595,8 +612,9 @@ MSerialT customizedSerial1(MSerialT::HasEmergencyParser);
   }
 
   template class MarlinSerial< MMU2SerialCfg<MMU2_SERIAL_PORT> >;
-  MSerialT3 mmuSerial(MSerialT3::HasEmergencyParser);
-#endif
+  MSerialMMU2 mmuSerial(MSerialMMU2::HasEmergencyParser);
+
+#endif // MMU2_SERIAL_PORT
 
 #ifdef LCD_SERIAL_PORT
 
@@ -609,7 +627,7 @@ MSerialT customizedSerial1(MSerialT::HasEmergencyParser);
   }
 
   template class MarlinSerial< LCDSerialCfg<LCD_SERIAL_PORT> >;
-  MSerialT4 lcdSerial(MSerialT4::HasEmergencyParser);
+  MSerialLCD lcdSerial(MSerialLCD::HasEmergencyParser);
 
   #if HAS_DGUS_LCD
     template<typename Cfg>
@@ -622,13 +640,13 @@ MSerialT customizedSerial1(MSerialT::HasEmergencyParser);
     }
   #endif
 
-#endif
+#endif // LCD_SERIAL_PORT
 
 #endif // !USBCON && (UBRRH || UBRR0H || UBRR1H || UBRR2H || UBRR3H)
 
 // For AT90USB targets use the UART for BT interfacing
 #if defined(USBCON) && ENABLED(BLUETOOTH)
-  MSerialT5 bluetoothSerial(false);
+  MSerialBT bluetoothSerial(false);
 #endif
 
 #endif // __AVR__

Marlin/src/HAL/AVR/MarlinSerial.h

@@ -238,14 +238,19 @@
     static constexpr bool MAX_RX_QUEUED     = ENABLED(SERIAL_STATS_MAX_RX_QUEUED);
   };
 
-  typedef Serial1Class< MarlinSerial< MarlinSerialCfg<SERIAL_PORT> > > MSerialT;
-  extern MSerialT customizedSerial1;
+  typedef Serial1Class< MarlinSerial< MarlinSerialCfg<SERIAL_PORT> > > MSerialT1;
+  extern MSerialT1 customizedSerial1;
 
   #ifdef SERIAL_PORT_2
     typedef Serial1Class< MarlinSerial< MarlinSerialCfg<SERIAL_PORT_2> > > MSerialT2;
     extern MSerialT2 customizedSerial2;
   #endif
 
+  #ifdef SERIAL_PORT_3
+    typedef Serial1Class< MarlinSerial< MarlinSerialCfg<SERIAL_PORT_3> > > MSerialT3;
+    extern MSerialT3 customizedSerial3;
+  #endif
+
 #endif // !USBCON
 
 #ifdef MMU2_SERIAL_PORT
@@ -262,8 +267,8 @@
     static constexpr bool RX_OVERRUNS       = false;
   };
 
-  typedef Serial1Class< MarlinSerial< MMU2SerialCfg<MMU2_SERIAL_PORT> > > MSerialT3;
-  extern MSerialT3 mmuSerial;
+  typedef Serial1Class< MarlinSerial< MMU2SerialCfg<MMU2_SERIAL_PORT> > > MSerialMMU2;
+  extern MSerialMMU2 mmuSerial;
 #endif
 
 #ifdef LCD_SERIAL_PORT
@@ -281,12 +286,12 @@
     static constexpr bool RX_OVERRUNS       = BOTH(HAS_DGUS_LCD, SERIAL_STATS_RX_BUFFER_OVERRUNS);
   };
 
-  typedef Serial1Class< MarlinSerial< LCDSerialCfg<LCD_SERIAL_PORT> > > MSerialT4;
-  extern MSerialT4 lcdSerial;
+  typedef Serial1Class< MarlinSerial< LCDSerialCfg<LCD_SERIAL_PORT> > > MSerialLCD;
+  extern MSerialLCD lcdSerial;
 #endif
 
 // Use the UART for Bluetooth in AT90USB configurations
 #if defined(USBCON) && ENABLED(BLUETOOTH)
-  typedef Serial1Class<HardwareSerial> MSerialT5;
-  extern MSerialT5 bluetoothSerial;
+  typedef Serial1Class<HardwareSerial> MSerialBT;
+  extern MSerialBT bluetoothSerial;
 #endif

Marlin/src/HAL/AVR/endstop_interrupts.h

@@ -168,6 +168,51 @@ void setup_endstop_interrupts() {
       pciSetup(Z_MIN_PIN);
     #endif
   #endif
+  #if HAS_I_MAX
+    #if (digitalPinToInterrupt(I_MAX_PIN) != NOT_AN_INTERRUPT)
+      _ATTACH(I_MAX_PIN);
+    #else
+      static_assert(digitalPinHasPCICR(I_MAX_PIN), "I_MAX_PIN is not interrupt-capable");
+      pciSetup(I_MAX_PIN);
+    #endif
+  #elif HAS_I_MIN
+    #if (digitalPinToInterrupt(I_MIN_PIN) != NOT_AN_INTERRUPT)
+      _ATTACH(I_MIN_PIN);
+    #else
+      static_assert(digitalPinHasPCICR(I_MIN_PIN), "I_MIN_PIN is not interrupt-capable");
+      pciSetup(I_MIN_PIN);
+    #endif
+  #endif
+  #if HAS_J_MAX
+    #if (digitalPinToInterrupt(J_MAX_PIN) != NOT_AN_INTERRUPT)
+      _ATTACH(J_MAX_PIN);
+    #else
+      static_assert(digitalPinHasPCICR(J_MAX_PIN), "J_MAX_PIN is not interrupt-capable");
+      pciSetup(J_MAX_PIN);
+    #endif
+  #elif HAS_J_MIN
+    #if (digitalPinToInterrupt(J_MIN_PIN) != NOT_AN_INTERRUPT)
+      _ATTACH(J_MIN_PIN);
+    #else
+      static_assert(digitalPinHasPCICR(J_MIN_PIN), "J_MIN_PIN is not interrupt-capable");
+      pciSetup(J_MIN_PIN);
+    #endif
+  #endif
+  #if HAS_K_MAX
+    #if (digitalPinToInterrupt(K_MAX_PIN) != NOT_AN_INTERRUPT)
+      _ATTACH(K_MAX_PIN);
+    #else
+      static_assert(digitalPinHasPCICR(K_MAX_PIN), "K_MAX_PIN is not interrupt-capable");
+      pciSetup(K_MAX_PIN);
+    #endif
+  #elif HAS_K_MIN
+    #if (digitalPinToInterrupt(K_MIN_PIN) != NOT_AN_INTERRUPT)
+      _ATTACH(K_MIN_PIN);
+    #else
+      static_assert(digitalPinHasPCICR(K_MIN_PIN), "K_MIN_PIN is not interrupt-capable");
+      pciSetup(K_MIN_PIN);
+    #endif
+  #endif
   #if HAS_X2_MAX
     #if (digitalPinToInterrupt(X2_MAX_PIN) != NOT_AN_INTERRUPT)
       _ATTACH(X2_MAX_PIN);
@@ -256,6 +301,5 @@ void setup_endstop_interrupts() {
       pciSetup(Z_MIN_PROBE_PIN);
     #endif
   #endif
-
   // If we arrive here without raising an assertion, each pin has either an EXT-interrupt or a PCI.
 }

Marlin/src/HAL/AVR/pinsDebug.h

@@ -38,7 +38,7 @@
   // portModeRegister takes a different argument
   #define digitalPinToTimer_DEBUG(p) digitalPinToTimer(p)
   #define digitalPinToBitMask_DEBUG(p) digitalPinToBitMask(p)
-  #define digitalPinToPort_DEBUG(p) digitalPinToPort_Teensy(p)
+  #define digitalPinToPort_DEBUG(p) digitalPinToPort(p)
   #define GET_PINMODE(pin) (*portModeRegister(pin) & digitalPinToBitMask_DEBUG(pin))
 
 #elif AVR_ATmega2560_FAMILY_PLUS_70   // So we can access/display all the pins on boards using more than 70

Marlin/src/HAL/DUE/HAL.cpp

@@ -77,6 +77,8 @@ uint8_t HAL_get_reset_source() {
   }
 }
 
+void HAL_reboot() { rstc_start_software_reset(RSTC); }
+
 void _delay_ms(const int delay_ms) {
   // Todo: port for Due?
   delay(delay_ms);

Marlin/src/HAL/DUE/HAL.h

@@ -50,13 +50,12 @@ extern DefaultSerial4 MSerial3;
 #define _MSERIAL(X) MSerial##X
 #define MSERIAL(X) _MSERIAL(X)
 
-// Define MYSERIAL1/2 before MarlinSerial includes!
 #if SERIAL_PORT == -1 || ENABLED(EMERGENCY_PARSER)
   #define MYSERIAL1 customizedSerial1
 #elif WITHIN(SERIAL_PORT, 0, 3)
   #define MYSERIAL1 MSERIAL(SERIAL_PORT)
 #else
-  #error "The required SERIAL_PORT must be from -1 to 3. Please update your configuration."
+  #error "The required SERIAL_PORT must be from 0 to 3, or -1 for USB Serial."
 #endif
 
 #ifdef SERIAL_PORT_2
@@ -65,7 +64,17 @@ extern DefaultSerial4 MSerial3;
   #elif WITHIN(SERIAL_PORT_2, 0, 3)
     #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
   #else
-    #error "SERIAL_PORT_2 must be from -1 to 3. Please update your configuration."
+    #error "SERIAL_PORT_2 must be from 0 to 3, or -1 for USB Serial."
+  #endif
+#endif
+
+#ifdef SERIAL_PORT_3
+  #if SERIAL_PORT_3 == -1 || ENABLED(EMERGENCY_PARSER)
+    #define MYSERIAL3 customizedSerial3
+  #elif WITHIN(SERIAL_PORT_3, 0, 3)
+    #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
+  #else
+    #error "SERIAL_PORT_3 must be from 0 to 3, or -1 for USB Serial."
   #endif
 #endif
 
@@ -73,17 +82,15 @@ extern DefaultSerial4 MSerial3;
   #if WITHIN(MMU2_SERIAL_PORT, 0, 3)
     #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
   #else
-    #error "MMU2_SERIAL_PORT must be from 0 to 3. Please update your configuration."
+    #error "MMU2_SERIAL_PORT must be from 0 to 3."
   #endif
 #endif
 
 #ifdef LCD_SERIAL_PORT
-  #if LCD_SERIAL_PORT == -1
-    #define LCD_SERIAL lcdSerial
-  #elif WITHIN(LCD_SERIAL_PORT, 0, 3)
+  #if WITHIN(LCD_SERIAL_PORT, 0, 3)
     #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
   #else
-    #error "LCD_SERIAL_PORT must be from -1 to 3. Please update your configuration."
+    #error "LCD_SERIAL_PORT must be from 0 to 3."
   #endif
 #endif
 
@@ -113,7 +120,7 @@ void sei();                     // Enable interrupts
 void HAL_clear_reset_source();  // clear reset reason
 uint8_t HAL_get_reset_source(); // get reset reason
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot();
 
 //
 // ADC

Marlin/src/HAL/DUE/MarlinSerial.cpp

@@ -478,7 +478,7 @@ void MarlinSerial<Cfg>::flushTX() {
 // If not using the USB port as serial port
 #if defined(SERIAL_PORT) && SERIAL_PORT >= 0
   template class MarlinSerial< MarlinSerialCfg<SERIAL_PORT> >;
-  MSerialT customizedSerial1(MarlinSerialCfg<SERIAL_PORT>::EMERGENCYPARSER);
+  MSerialT1 customizedSerial1(MarlinSerialCfg<SERIAL_PORT>::EMERGENCYPARSER);
 #endif
 
 #if defined(SERIAL_PORT_2) && SERIAL_PORT_2 >= 0
@@ -486,4 +486,9 @@ void MarlinSerial<Cfg>::flushTX() {
   MSerialT2 customizedSerial2(MarlinSerialCfg<SERIAL_PORT_2>::EMERGENCYPARSER);
 #endif
 
+#if defined(SERIAL_PORT_3) && SERIAL_PORT_3 >= 0
+  template class MarlinSerial< MarlinSerialCfg<SERIAL_PORT_3> >;
+  MSerialT3 customizedSerial3(MarlinSerialCfg<SERIAL_PORT_3>::EMERGENCYPARSER);
+#endif
+
 #endif // ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/MarlinSerial.h

@@ -141,11 +141,16 @@ struct MarlinSerialCfg {
 };
 
 #if defined(SERIAL_PORT) && SERIAL_PORT >= 0
-  typedef Serial1Class< MarlinSerial< MarlinSerialCfg<SERIAL_PORT> > > MSerialT;
-  extern MSerialT customizedSerial1;
+  typedef Serial1Class< MarlinSerial< MarlinSerialCfg<SERIAL_PORT> > > MSerialT1;
+  extern MSerialT1 customizedSerial1;
 #endif
 
 #if defined(SERIAL_PORT_2) && SERIAL_PORT_2 >= 0
   typedef Serial1Class< MarlinSerial< MarlinSerialCfg<SERIAL_PORT_2> > > MSerialT2;
   extern MSerialT2 customizedSerial2;
 #endif
+
+#if defined(SERIAL_PORT_3) && SERIAL_PORT_3 >= 0
+  typedef Serial1Class< MarlinSerial< MarlinSerialCfg<SERIAL_PORT_3> > > MSerialT3;
+  extern MSerialT3 customizedSerial3;
+#endif

Marlin/src/HAL/DUE/MarlinSerialUSB.cpp

@@ -19,13 +19,13 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+#ifdef ARDUINO_ARCH_SAM
 
 /**
  * MarlinSerial_Due.cpp - Hardware serial library for Arduino DUE
  * Copyright (c) 2017 Eduardo José Tagle. All right reserved
  * Based on MarlinSerial for AVR, copyright (c) 2006 Nicholas Zambetti.  All right reserved.
  */
-#ifdef ARDUINO_ARCH_SAM
 
 #include "../../inc/MarlinConfig.h"
 
@@ -65,7 +65,7 @@ int MarlinSerialUSB::peek() {
 
   pending_char = udi_cdc_getc();
 
-  TERN_(EMERGENCY_PARSER, emergency_parser.update(static_cast<MSerialT*>(this)->emergency_state, (char)pending_char));
+  TERN_(EMERGENCY_PARSER, emergency_parser.update(static_cast<MSerialT1*>(this)->emergency_state, (char)pending_char));
 
   return pending_char;
 }
@@ -87,7 +87,7 @@ int MarlinSerialUSB::read() {
 
   int c = udi_cdc_getc();
 
-  TERN_(EMERGENCY_PARSER, emergency_parser.update(static_cast<MSerialT*>(this)->emergency_state, (char)c));
+  TERN_(EMERGENCY_PARSER, emergency_parser.update(static_cast<MSerialT1*>(this)->emergency_state, (char)c));
 
   return c;
 }
@@ -129,10 +129,13 @@ size_t MarlinSerialUSB::write(const uint8_t c) {
 
 // Preinstantiate
 #if SERIAL_PORT == -1
-  MSerialT customizedSerial1(TERN0(EMERGENCY_PARSER, true));
+  MSerialT1 customizedSerial1(TERN0(EMERGENCY_PARSER, true));
 #endif
 #if SERIAL_PORT_2 == -1
-  MSerialT customizedSerial2(TERN0(EMERGENCY_PARSER, true));
+  MSerialT2 customizedSerial2(TERN0(EMERGENCY_PARSER, true));
+#endif
+#if SERIAL_PORT_3 == -1
+  MSerialT3 customizedSerial3(TERN0(EMERGENCY_PARSER, true));
 #endif
 
 #endif // HAS_USB_SERIAL

Marlin/src/HAL/DUE/MarlinSerialUSB.h

@@ -27,11 +27,9 @@
  */
 
 #include "../../inc/MarlinConfig.h"
-#if HAS_USB_SERIAL
-
-#include <WString.h>
 #include "../../core/serial_hook.h"
 
+#include <WString.h>
 
 struct MarlinSerialUSB {
   void begin(const long);
@@ -50,14 +48,18 @@ struct MarlinSerialUSB {
     FORCE_INLINE int rxMaxEnqueued() { return 0; }
   #endif
 };
-typedef Serial1Class<MarlinSerialUSB> MSerialT;
 
 #if SERIAL_PORT == -1
-  extern MSerialT customizedSerial1;
+  typedef Serial1Class<MarlinSerialUSB> MSerialT1;
+  extern MSerialT1 customizedSerial1;
 #endif
 
 #if SERIAL_PORT_2 == -1
-  extern MSerialT customizedSerial2;
+  typedef Serial1Class<MarlinSerialUSB> MSerialT2;
+  extern MSerialT2 customizedSerial2;
 #endif
 
-#endif // HAS_USB_SERIAL
+#if SERIAL_PORT_3 == -1
+  typedef Serial1Class<MarlinSerialUSB> MSerialT3;
+  extern MSerialT3 customizedSerial3;
+#endif

Marlin/src/HAL/DUE/endstop_interrupts.h

@@ -64,4 +64,10 @@ void setup_endstop_interrupts() {
   TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN));
   TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN));
   TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(HAS_I_MAX, _ATTACH(I_MAX_PIN));
+  TERN_(HAS_I_MIN, _ATTACH(I_MIN_PIN));
+  TERN_(HAS_J_MAX, _ATTACH(J_MAX_PIN));
+  TERN_(HAS_J_MIN, _ATTACH(J_MIN_PIN));
+  TERN_(HAS_K_MAX, _ATTACH(K_MAX_PIN));
+  TERN_(HAS_K_MIN, _ATTACH(K_MIN_PIN));
 }

Marlin/src/HAL/DUE/fastio.h

@@ -33,7 +33,7 @@
  * For ARDUINO_ARCH_SAM
  * Note the code here was specifically crafted by disassembling what GCC produces
  * out of it, so GCC is able to optimize it out as much as possible to the least
- * amount of instructions. Be very carefull if you modify them, as "clean code"
+ * amount of instructions. Be very careful if you modify them, as "clean code"
  * leads to less efficient compiled code!!
  */
 

Marlin/src/HAL/ESP32/HAL.cpp

@@ -141,6 +141,8 @@ void HAL_clear_reset_source() { }
 
 uint8_t HAL_get_reset_source() { return rtc_get_reset_reason(1); }
 
+void HAL_reboot() { ESP.restart(); }
+
 void _delay_ms(int delay_ms) { delay(delay_ms); }
 
 // return free memory between end of heap (or end bss) and whatever is current

Marlin/src/HAL/ESP32/HAL.h

@@ -101,7 +101,7 @@ void HAL_clear_reset_source();
 // reset reason
 uint8_t HAL_get_reset_source();
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot();
 
 void _delay_ms(int delay);
 

Marlin/src/HAL/ESP32/WebSocketSerial.cpp

@@ -29,7 +29,7 @@
 #include "wifi.h"
 #include <ESPAsyncWebServer.h>
 
-MSerialT webSocketSerial(false);
+MSerialWebSocketT webSocketSerial(false);
 AsyncWebSocket ws("/ws"); // TODO Move inside the class.
 
 // RingBuffer impl

Marlin/src/HAL/ESP32/WebSocketSerial.h

@@ -81,5 +81,5 @@ public:
   #endif
 };
 
-typedef Serial1Class<WebSocketSerial> MSerialT;
-extern MSerialT webSocketSerial;
+typedef Serial1Class<WebSocketSerial> MSerialWebSocketT;
+extern MSerialWebSocketT webSocketSerial;

Marlin/src/HAL/ESP32/endstop_interrupts.h

@@ -59,4 +59,10 @@ void setup_endstop_interrupts() {
   TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN));
   TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN));
   TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(HAS_I_MAX, _ATTACH(I_MAX_PIN));
+  TERN_(HAS_I_MIN, _ATTACH(I_MIN_PIN));
+  TERN_(HAS_J_MAX, _ATTACH(J_MAX_PIN));
+  TERN_(HAS_J_MIN, _ATTACH(J_MIN_PIN));
+  TERN_(HAS_K_MAX, _ATTACH(K_MAX_PIN));
+  TERN_(HAS_K_MIN, _ATTACH(K_MIN_PIN));
 }

Marlin/src/HAL/LINUX/HAL.cpp

@@ -73,4 +73,6 @@ void HAL_pwm_init() {
 
 }
 
+void HAL_reboot() { /* Reset the application state and GPIO */ }
+
 #endif // __PLAT_LINUX__

Marlin/src/HAL/LINUX/HAL.h

@@ -107,7 +107,7 @@ uint16_t HAL_adc_get_result();
 inline void HAL_clear_reset_source(void) {}
 inline uint8_t HAL_get_reset_source(void) { return RST_POWER_ON; }
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot(); // Reset the application state and GPIO
 
 /* ---------------- Delay in cycles */
 FORCE_INLINE static void DELAY_CYCLES(uint64_t x) {

Marlin/src/HAL/LPC1768/HAL.cpp

@@ -67,7 +67,7 @@ void flashFirmware(const int16_t) {
   delay(500);          // Give OS time to disconnect
   USB_Connect(false);  // USB clear connection
   delay(1000);         // Give OS time to notice
-  NVIC_SystemReset();
+  HAL_reboot();
 }
 
 void HAL_clear_reset_source(void) {
@@ -81,4 +81,6 @@ uint8_t HAL_get_reset_source(void) {
   return RST_POWER_ON;
 }
 
+void HAL_reboot() { NVIC_SystemReset(); }
+
 #endif // TARGET_LPC1768

Marlin/src/HAL/LPC1768/HAL.h

@@ -71,7 +71,7 @@ extern DefaultSerial1 USBSerial;
 #elif WITHIN(SERIAL_PORT, 0, 3)
   #define MYSERIAL1 MSERIAL(SERIAL_PORT)
 #else
-  #error "SERIAL_PORT must be from -1 to 3. Please update your configuration."
+  #error "SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
 #endif
 
 #ifdef SERIAL_PORT_2
@@ -80,7 +80,17 @@ extern DefaultSerial1 USBSerial;
   #elif WITHIN(SERIAL_PORT_2, 0, 3)
     #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
   #else
-    #error "SERIAL_PORT_2 must be from -1 to 3. Please update your configuration."
+    #error "SERIAL_PORT_2 must be from 0 to 3. You can also use -1 if the board supports Native USB."
+  #endif
+#endif
+
+#ifdef SERIAL_PORT_3
+  #if SERIAL_PORT_3 == -1
+    #define MYSERIAL3 USBSerial
+  #elif WITHIN(SERIAL_PORT_3, 0, 3)
+    #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
+  #else
+    #error "SERIAL_PORT_3 must be from 0 to 3. You can also use -1 if the board supports Native USB."
   #endif
 #endif
 
@@ -90,7 +100,7 @@ extern DefaultSerial1 USBSerial;
   #elif WITHIN(MMU2_SERIAL_PORT, 0, 3)
     #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
   #else
-    #error "MMU2_SERIAL_PORT must be from -1 to 3. Please update your configuration."
+    #error "MMU2_SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
   #endif
 #endif
 
@@ -100,7 +110,7 @@ extern DefaultSerial1 USBSerial;
   #elif WITHIN(LCD_SERIAL_PORT, 0, 3)
     #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
   #else
-    #error "LCD_SERIAL_PORT must be from -1 to 3. Please update your configuration."
+    #error "LCD_SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
   #endif
   #if HAS_DGUS_LCD
     #define SERIAL_GET_TX_BUFFER_FREE() MSerial0.available()
@@ -218,4 +228,4 @@ void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size=255,
 void HAL_clear_reset_source(void);
 uint8_t HAL_get_reset_source(void);
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot();

Marlin/src/HAL/LPC1768/HAL_MinSerial.cpp

@@ -21,6 +21,7 @@
  */
 #ifdef TARGET_LPC1768
 
+#include "../../inc/MarlinConfig.h"
 #include "HAL.h"
 
 #if ENABLED(POSTMORTEM_DEBUGGING)

Marlin/src/HAL/LPC1768/MarlinSerial.cpp

@@ -26,9 +26,9 @@
 #include "../../inc/MarlinConfig.h"
 
 #if USING_HW_SERIAL0
-  MarlinSerial _MSerial(LPC_UART0);
-  MSerialT MSerial0(true, _MSerial);
-  extern "C" void UART0_IRQHandler() { _MSerial.IRQHandler(); }
+  MarlinSerial _MSerial0(LPC_UART0);
+  MSerialT MSerial0(true, _MSerial0);
+  extern "C" void UART0_IRQHandler() { _MSerial0.IRQHandler(); }
 #endif
 #if USING_HW_SERIAL1
   MarlinSerial _MSerial1((LPC_UART_TypeDef *) LPC_UART1);
@@ -52,7 +52,7 @@
     // Need to figure out which serial port we are and react in consequence (Marlin does not have CONTAINER_OF macro)
     if (false) {}
     #if USING_HW_SERIAL0
-      else if (this == &_MSerial) emergency_parser.update(MSerial0.emergency_state, c);
+      else if (this == &_MSerial0) emergency_parser.update(MSerial0.emergency_state, c);
     #endif
     #if USING_HW_SERIAL1
       else if (this == &_MSerial1) emergency_parser.update(MSerial1.emergency_state, c);

Marlin/src/HAL/LPC1768/MarlinSerial.h

@@ -60,8 +60,8 @@ extern MSerialT MSerial1;
 extern MSerialT MSerial2;
 extern MSerialT MSerial3;
 
-// Consequently, we can't use a RuntimeSerial either. The workaround would be to use a RuntimeSerial<ForwardSerial<MarlinSerial>> type here
-// Right now, let's ignore this until it's actually required.
+// Consequently, we can't use a RuntimeSerial either. The workaround would be to use
+// a RuntimeSerial<ForwardSerial<MarlinSerial>> type here. Ignore for now until it's actually required.
 #if ENABLED(SERIAL_RUNTIME_HOOK)
   #error "SERIAL_RUNTIME_HOOK is not yet supported for LPC176x."
 #endif

Marlin/src/HAL/LPC1768/endstop_interrupts.h

@@ -122,4 +122,37 @@ void setup_endstop_interrupts() {
     #endif
     _ATTACH(Z_MIN_PROBE_PIN);
   #endif
+  #if HAS_I_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(I_MAX_PIN)
+      #error "I_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(I_MAX_PIN);
+  #elif HAS_I_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(I_MIN_PIN)
+      #error "I_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(I_MIN_PIN);
+  #endif
+  #if HAS_J_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(J_MAX_PIN)
+      #error "J_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(J_MAX_PIN);
+  #elif HAS_J_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(J_MIN_PIN)
+      #error "J_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(J_MIN_PIN);
+  #endif
+  #if HAS_K_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(K_MAX_PIN)
+      #error "K_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(K_MAX_PIN);
+  #elif HAS_K_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(K_MIN_PIN)
+      #error "K_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(K_MIN_PIN);
+  #endif
 }

Marlin/src/HAL/LPC1768/inc/SanityCheck.h

@@ -144,7 +144,7 @@ static_assert(DISABLED(BAUD_RATE_GCODE), "BAUD_RATE_GCODE is not yet supported o
     #error "Serial port pins (2) conflict with Z4 pins!"
   #elif ANY_RX(2, X_DIR_PIN, Y_DIR_PIN)
     #error "Serial port pins (2) conflict with other pins!"
-  #elif Y_HOME_DIR < 0 && IS_TX2(Y_STOP_PIN)
+  #elif Y_HOME_TO_MIN && IS_TX2(Y_STOP_PIN)
     #error "Serial port pins (2) conflict with Y endstop pin!"
   #elif HAS_CUSTOM_PROBE_PIN && IS_TX2(Z_MIN_PROBE_PIN)
     #error "Serial port pins (2) conflict with probe pin!"

Marlin/src/HAL/LPC1768/main.cpp

@@ -117,7 +117,7 @@ void HAL_init() {
     PinCfg.Pinmode = 2;    // no pull-up/pull-down
     PINSEL_ConfigPin(&PinCfg);
     // now set CLKOUT_EN bit
-    LPC_SC->CLKOUTCFG |= (1<<8);
+    SBI(LPC_SC->CLKOUTCFG, 8);
   #endif
 
   USB_Init();                               // USB Initialization

Marlin/src/HAL/LPC1768/tft/xpt2046.cpp

@@ -22,7 +22,7 @@
 
 #include "../../../inc/MarlinConfig.h"
 
-#if HAS_TFT_XPT2046 || HAS_TOUCH_BUTTONS
+#if HAS_TFT_XPT2046 || HAS_RES_TOUCH_BUTTONS
 
 #include "xpt2046.h"
 #include <SPI.h>

Marlin/src/HAL/LPC1768/upload_extra_script.py

@@ -20,101 +20,104 @@ def print_error(e):
 		  'or copy the firmware (.pio/build/%s/firmware.bin) manually to the appropriate disk\n' \
 		  %(e, env.get('PIOENV')))
 
-try:
-	#
-	# Find a disk for upload
-	#
-	upload_disk = 'Disk not found'
-	target_file_found = False
-	target_drive_found = False
-	if current_OS == 'Windows':
+def before_upload(source, target, env):
+	try:
 		#
-		# platformio.ini will accept this for a Windows upload port designation: 'upload_port = L:'
-		#   Windows - doesn't care about the disk's name, only cares about the drive letter
-		import subprocess,string
-		from ctypes import windll
+		# Find a disk for upload
+		#
+		upload_disk = 'Disk not found'
+		target_file_found = False
+		target_drive_found = False
+		if current_OS == 'Windows':
+			#
+			# platformio.ini will accept this for a Windows upload port designation: 'upload_port = L:'
+			#   Windows - doesn't care about the disk's name, only cares about the drive letter
+			import subprocess,string
+			from ctypes import windll
 
-		# getting list of drives
-		# https://stackoverflow.com/questions/827371/is-there-a-way-to-list-all-the-available-drive-letters-in-python
-		drives = []
-		bitmask = windll.kernel32.GetLogicalDrives()
-		for letter in string.ascii_uppercase:
-			if bitmask & 1:
-				drives.append(letter)
-			bitmask >>= 1
+			# getting list of drives
+			# https://stackoverflow.com/questions/827371/is-there-a-way-to-list-all-the-available-drive-letters-in-python
+			drives = []
+			bitmask = windll.kernel32.GetLogicalDrives()
+			for letter in string.ascii_uppercase:
+				if bitmask & 1:
+					drives.append(letter)
+				bitmask >>= 1
 
-		for drive in drives:
-			final_drive_name = drive + ':\\'
-			# print ('disc check: {}'.format(final_drive_name))
-			try:
-				volume_info = str(subprocess.check_output('cmd /C dir ' + final_drive_name, stderr=subprocess.STDOUT))
-			except Exception as e:
-				print ('error:{}'.format(e))
-				continue
-			else:
-				if target_drive in volume_info and not target_file_found:  # set upload if not found target file yet
-					target_drive_found = True
-					upload_disk = final_drive_name
-				if target_filename in volume_info:
-					if not target_file_found:
+			for drive in drives:
+				final_drive_name = drive + ':\\'
+				# print ('disc check: {}'.format(final_drive_name))
+				try:
+					volume_info = str(subprocess.check_output('cmd /C dir ' + final_drive_name, stderr=subprocess.STDOUT))
+				except Exception as e:
+					print ('error:{}'.format(e))
+					continue
+				else:
+					if target_drive in volume_info and not target_file_found:  # set upload if not found target file yet
+						target_drive_found = True
 						upload_disk = final_drive_name
-					target_file_found = True
+					if target_filename in volume_info:
+						if not target_file_found:
+							upload_disk = final_drive_name
+						target_file_found = True
 
-	elif current_OS == 'Linux':
-		#
-		# platformio.ini will accept this for a Linux upload port designation: 'upload_port = /media/media_name/drive'
-		#
-		drives = os.listdir(os.path.join(os.sep, 'media', getpass.getuser()))
-		if target_drive in drives:  # If target drive is found, use it.
-			target_drive_found = True
-			upload_disk = os.path.join(os.sep, 'media', getpass.getuser(), target_drive) + os.sep
-		else:
+		elif current_OS == 'Linux':
+			#
+			# platformio.ini will accept this for a Linux upload port designation: 'upload_port = /media/media_name/drive'
+			#
+			drives = os.listdir(os.path.join(os.sep, 'media', getpass.getuser()))
+			if target_drive in drives:  # If target drive is found, use it.
+				target_drive_found = True
+				upload_disk = os.path.join(os.sep, 'media', getpass.getuser(), target_drive) + os.sep
+			else:
+				for drive in drives:
+					try:
+						files = os.listdir(os.path.join(os.sep, 'media', getpass.getuser(), drive))
+					except:
+						continue
+					else:
+						if target_filename in files:
+							upload_disk = os.path.join(os.sep, 'media', getpass.getuser(), drive) + os.sep
+							target_file_found = True
+							break
+			#
+			# set upload_port to drive if found
+			#
+
+			if target_file_found or target_drive_found:
+				env.Replace(
+					UPLOAD_FLAGS="-P$UPLOAD_PORT"
+				)
+
+		elif current_OS == 'Darwin':  # MAC
+			#
+			# platformio.ini will accept this for a OSX upload port designation: 'upload_port = /media/media_name/drive'
+			#
+			drives = os.listdir('/Volumes')  # human readable names
+			if target_drive in drives and not target_file_found:  # set upload if not found target file yet
+				target_drive_found = True
+				upload_disk = '/Volumes/' + target_drive + '/'
 			for drive in drives:
 				try:
-					files = os.listdir(os.path.join(os.sep, 'media', getpass.getuser(), drive))
+					filenames = os.listdir('/Volumes/' + drive + '/')   # will get an error if the drive is protected
 				except:
 					continue
 				else:
-					if target_filename in files:
-						upload_disk = os.path.join(os.sep, 'media', getpass.getuser(), drive) + os.sep
+					if target_filename in filenames:
+						if not target_file_found:
+							upload_disk = '/Volumes/' + drive + '/'
 						target_file_found = True
-						break
-		#
-		# set upload_port to drive if found
-		#
 
+		#
+		# Set upload_port to drive if found
+		#
 		if target_file_found or target_drive_found:
-			env.Replace(
-				UPLOAD_FLAGS="-P$UPLOAD_PORT"
-			)
+			env.Replace(UPLOAD_PORT=upload_disk)
+			print('\nUpload disk: ', upload_disk, '\n')
+		else:
+			print_error('Autodetect Error')
 
-	elif current_OS == 'Darwin':  # MAC
-		#
-		# platformio.ini will accept this for a OSX upload port designation: 'upload_port = /media/media_name/drive'
-		#
-		drives = os.listdir('/Volumes')  # human readable names
-		if target_drive in drives and not target_file_found:  # set upload if not found target file yet
-			target_drive_found = True
-			upload_disk = '/Volumes/' + target_drive + '/'
-		for drive in drives:
-			try:
-				filenames = os.listdir('/Volumes/' + drive + '/')   # will get an error if the drive is protected
-			except:
-				continue
-			else:
-				if target_filename in filenames:
-					if not target_file_found:
-						upload_disk = '/Volumes/' + drive + '/'
-					target_file_found = True
+	except Exception as e:
+		print_error(str(e))
 
-	#
-	# Set upload_port to drive if found
-	#
-	if target_file_found or target_drive_found:
-		env.Replace(UPLOAD_PORT=upload_disk)
-		print('\nUpload disk: ', upload_disk, '\n')
-	else:
-		print_error('Autodetect Error')
-
-except Exception as e:
-	print_error(str(e))
+env.AddPreAction("upload", before_upload)

Marlin/src/HAL/SAMD51/HAL.cpp

@@ -436,6 +436,8 @@ uint8_t HAL_get_reset_source() {
 }
 #pragma pop_macro("WDT")
 
+void HAL_reboot() { NVIC_SystemReset(); }
+
 extern "C" {
   void * _sbrk(int incr);
 

Marlin/src/HAL/SAMD51/HAL.h

@@ -43,8 +43,6 @@
   extern DefaultSerial4 MSerial3;
   extern DefaultSerial5 MSerial4;
 
-  // MYSERIAL1 required before MarlinSerial includes!
-
   #define __MSERIAL(X) MSerial##X
   #define _MSERIAL(X) __MSERIAL(X)
   #define MSERIAL(X) _MSERIAL(INCREMENT(X))
@@ -54,7 +52,7 @@
   #elif WITHIN(SERIAL_PORT, 0, 3)
     #define MYSERIAL1 MSERIAL(SERIAL_PORT)
   #else
-    #error "SERIAL_PORT must be from -1 to 3. Please update your configuration."
+    #error "SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
   #endif
 
   #ifdef SERIAL_PORT_2
@@ -63,7 +61,7 @@
     #elif WITHIN(SERIAL_PORT_2, 0, 3)
       #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
     #else
-      #error "SERIAL_PORT_2 must be from -1 to 3. Please update your configuration."
+      #error "SERIAL_PORT_2 must be from 0 to 3. You can also use -1 if the board supports Native USB."
     #endif
   #endif
 
@@ -73,7 +71,7 @@
     #elif WITHIN(MMU2_SERIAL_PORT, 0, 3)
       #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
     #else
-      #error "MMU2_SERIAL_PORT must be from -1 to 3. Please update your configuration."
+      #error "MMU2_SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
     #endif
   #endif
 
@@ -83,7 +81,7 @@
     #elif WITHIN(LCD_SERIAL_PORT, 0, 3)
       #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
     #else
-      #error "LCD_SERIAL_PORT must be from -1 to 3. Please update your configuration."
+      #error "LCD_SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
     #endif
   #endif
 
@@ -109,7 +107,7 @@ typedef int8_t pin_t;
 void HAL_clear_reset_source();  // clear reset reason
 uint8_t HAL_get_reset_source(); // get reset reason
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot();
 
 //
 // ADC

Marlin/src/HAL/SAMD51/endstop_interrupts.h

@@ -47,80 +47,38 @@
 
 #include "../../module/endstops.h"
 
-#define MATCH_EILINE(P1,P2)     (P1 != P2 && PIN_TO_EILINE(P1) == PIN_TO_EILINE(P2))
-#if HAS_X_MAX
-  #define MATCH_X_MAX_EILINE(P) MATCH_EILINE(P, X_MAX_PIN)
-#else
-  #define MATCH_X_MAX_EILINE(P) false
-#endif
-#if HAS_X_MIN
-  #define MATCH_X_MIN_EILINE(P) MATCH_EILINE(P, X_MIN_PIN)
-#else
-  #define MATCH_X_MIN_EILINE(P) false
-#endif
-#if HAS_Y_MAX
-   #define MATCH_Y_MAX_EILINE(P) MATCH_EILINE(P, Y_MAX_PIN)
-#else
-   #define MATCH_Y_MAX_EILINE(P) false
-#endif
-#if HAS_Y_MIN
-  #define MATCH_Y_MIN_EILINE(P) MATCH_EILINE(P, Y_MIN_PIN)
-#else
-  #define MATCH_Y_MIN_EILINE(P) false
-#endif
-#if HAS_Z_MAX
-   #define MATCH_Z_MAX_EILINE(P) MATCH_EILINE(P, Z_MAX_PIN)
-#else
-  #define MATCH_Z_MAX_EILINE(P) false
-#endif
-#if HAS_Z_MIN
-  #define MATCH_Z_MIN_EILINE(P) MATCH_EILINE(P, Z_MIN_PIN)
-#else
-  #define MATCH_Z_MIN_EILINE(P) false
-#endif
-#if HAS_Z2_MAX
-  #define MATCH_Z2_MAX_EILINE(P) MATCH_EILINE(P, Z2_MAX_PIN)
-#else
-  #define MATCH_Z2_MAX_EILINE(P) false
-#endif
-#if HAS_Z2_MIN
-  #define MATCH_Z2_MIN_EILINE(P) MATCH_EILINE(P, Z2_MIN_PIN)
-#else
-  #define MATCH_Z2_MIN_EILINE(P) false
-#endif
-#if HAS_Z3_MAX
-  #define MATCH_Z3_MAX_EILINE(P) MATCH_EILINE(P, Z3_MAX_PIN)
-#else
-  #define MATCH_Z3_MAX_EILINE(P) false
-#endif
-#if HAS_Z3_MIN
-  #define MATCH_Z3_MIN_EILINE(P) MATCH_EILINE(P, Z3_MIN_PIN)
-#else
-  #define MATCH_Z3_MIN_EILINE(P) false
-#endif
-#if HAS_Z4_MAX
-  #define MATCH_Z4_MAX_EILINE(P) MATCH_EILINE(P, Z4_MAX_PIN)
-#else
-  #define MATCH_Z4_MAX_EILINE(P) false
-#endif
-#if HAS_Z4_MIN
-  #define MATCH_Z4_MIN_EILINE(P) MATCH_EILINE(P, Z4_MIN_PIN)
-#else
-  #define MATCH_Z4_MIN_EILINE(P) false
-#endif
-#if HAS_Z_MIN_PROBE_PIN
-  #define MATCH_Z_MIN_PROBE_EILINE(P)   MATCH_EILINE(P, Z_MIN_PROBE_PIN)
-#else
-  #define MATCH_Z_MIN_PROBE_EILINE(P) false
-#endif
-#define AVAILABLE_EILINE(P)     (PIN_TO_EILINE(P) != -1                                 \
-                                 && !MATCH_X_MAX_EILINE(P) && !MATCH_X_MIN_EILINE(P)    \
-                                 && !MATCH_Y_MAX_EILINE(P) && !MATCH_Y_MIN_EILINE(P)    \
-                                 && !MATCH_Z_MAX_EILINE(P) && !MATCH_Z_MIN_EILINE(P)    \
-                                 && !MATCH_Z2_MAX_EILINE(P) && !MATCH_Z2_MIN_EILINE(P)  \
-                                 && !MATCH_Z3_MAX_EILINE(P) && !MATCH_Z3_MIN_EILINE(P)  \
-                                 && !MATCH_Z4_MAX_EILINE(P) && !MATCH_Z4_MIN_EILINE(P)  \
-                                 && !MATCH_Z_MIN_PROBE_EILINE(P))
+#define MATCH_EILINE(P1,P2) (P1 != P2 && PIN_TO_EILINE(P1) == PIN_TO_EILINE(P2))
+#define MATCH_X_MAX_EILINE(P)   TERN0(HAS_X_MAX,  DEFER4(MATCH_EILINE)(P, X_MAX_PIN))
+#define MATCH_X_MIN_EILINE(P)   TERN0(HAS_X_MIN,  DEFER4(MATCH_EILINE)(P, X_MIN_PIN))
+#define MATCH_Y_MAX_EILINE(P)   TERN0(HAS_Y_MAX,  DEFER4(MATCH_EILINE)(P, Y_MAX_PIN))
+#define MATCH_Y_MIN_EILINE(P)   TERN0(HAS_Y_MIN,  DEFER4(MATCH_EILINE)(P, Y_MIN_PIN))
+#define MATCH_Z_MAX_EILINE(P)   TERN0(HAS_Z_MAX,  DEFER4(MATCH_EILINE)(P, Z_MAX_PIN))
+#define MATCH_Z_MIN_EILINE(P)   TERN0(HAS_Z_MIN,  DEFER4(MATCH_EILINE)(P, Z_MIN_PIN))
+#define MATCH_I_MAX_EILINE(P)   TERN0(HAS_I_MAX,  DEFER4(MATCH_EILINE)(P, I_MAX_PIN))
+#define MATCH_I_MIN_EILINE(P)   TERN0(HAS_I_MIN,  DEFER4(MATCH_EILINE)(P, I_MIN_PIN))
+#define MATCH_J_MAX_EILINE(P)   TERN0(HAS_J_MAX,  DEFER4(MATCH_EILINE)(P, J_MAX_PIN))
+#define MATCH_J_MIN_EILINE(P)   TERN0(HAS_J_MIN,  DEFER4(MATCH_EILINE)(P, J_MIN_PIN))
+#define MATCH_K_MAX_EILINE(P)   TERN0(HAS_K_MAX,  DEFER4(MATCH_EILINE)(P, K_MAX_PIN))
+#define MATCH_K_MIN_EILINE(P)   TERN0(HAS_K_MIN,  DEFER4(MATCH_EILINE)(P, K_MIN_PIN))
+#define MATCH_Z2_MAX_EILINE(P)  TERN0(HAS_Z2_MAX, DEFER4(MATCH_EILINE)(P, Z2_MAX_PIN))
+#define MATCH_Z2_MIN_EILINE(P)  TERN0(HAS_Z2_MIN, DEFER4(MATCH_EILINE)(P, Z2_MIN_PIN))
+#define MATCH_Z3_MAX_EILINE(P)  TERN0(HAS_Z3_MAX, DEFER4(MATCH_EILINE)(P, Z3_MAX_PIN))
+#define MATCH_Z3_MIN_EILINE(P)  TERN0(HAS_Z3_MIN, DEFER4(MATCH_EILINE)(P, Z3_MIN_PIN))
+#define MATCH_Z4_MAX_EILINE(P)  TERN0(HAS_Z4_MAX, DEFER4(MATCH_EILINE)(P, Z4_MAX_PIN))
+#define MATCH_Z4_MIN_EILINE(P)  TERN0(HAS_Z4_MIN, DEFER4(MATCH_EILINE)(P, Z4_MIN_PIN))
+#define MATCH_Z_MIN_PROBE_EILINE(P) TERN0(HAS_Z_MIN_PROBE_PIN, DEFER4(MATCH_EILINE)(P, Z_MIN_PROBE_PIN))
+
+#define AVAILABLE_EILINE(P) ( PIN_TO_EILINE(P) != -1    \
+  && !MATCH_X_MAX_EILINE(P) && !MATCH_X_MIN_EILINE(P)   \
+  && !MATCH_Y_MAX_EILINE(P) && !MATCH_Y_MIN_EILINE(P)   \
+  && !MATCH_Z_MAX_EILINE(P) && !MATCH_Z_MIN_EILINE(P)   \
+  && !MATCH_I_MAX_EILINE(P) && !MATCH_I_MIN_EILINE(P)   \
+  && !MATCH_J_MAX_EILINE(P) && !MATCH_J_MIN_EILINE(P)   \
+  && !MATCH_K_MAX_EILINE(P) && !MATCH_K_MIN_EILINE(P)   \
+  && !MATCH_Z2_MAX_EILINE(P) && !MATCH_Z2_MIN_EILINE(P) \
+  && !MATCH_Z3_MAX_EILINE(P) && !MATCH_Z3_MIN_EILINE(P) \
+  && !MATCH_Z4_MAX_EILINE(P) && !MATCH_Z4_MIN_EILINE(P) \
+  && !MATCH_Z_MIN_PROBE_EILINE(P) )
 
 // One ISR for all EXT-Interrupts
 void endstop_ISR() { endstops.update(); }
@@ -204,5 +162,37 @@ void setup_endstop_interrupts() {
       #error "Z_MIN_PROBE_PIN has no EXTINT line available."
     #endif
     _ATTACH(Z_MIN_PROBE_PIN);
+  #elif HAS_I_MAX
+    #if !AVAILABLE_EILINE(I_MAX_PIN)
+      #error "I_MAX_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(I_MAX_PIN, endstop_ISR, CHANGE);
+  #elif HAS_I_MIN
+    #if !AVAILABLE_EILINE(I_MIN_PIN)
+      #error "I_MIN_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(I_MIN_PIN, endstop_ISR, CHANGE);
+  #endif
+  #if HAS_J_MAX
+    #if !AVAILABLE_EILINE(J_MAX_PIN)
+      #error "J_MAX_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(J_MAX_PIN, endstop_ISR, CHANGE);
+  #elif HAS_J_MIN
+    #if !AVAILABLE_EILINE(J_MIN_PIN)
+      #error "J_MIN_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(J_MIN_PIN, endstop_ISR, CHANGE);
+  #endif
+  #if HAS_K_MAX
+    #if !AVAILABLE_EILINE(K_MAX_PIN)
+      #error "K_MAX_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(K_MAX_PIN, endstop_ISR, CHANGE);
+  #elif HAS_K_MIN
+    #if !AVAILABLE_EILINE(K_MIN_PIN)
+      #error "K_MIN_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(K_MIN_PIN, endstop_ISR, CHANGE);
   #endif
 }

Marlin/src/HAL/STM32/HAL.cpp

@@ -96,6 +96,12 @@ void HAL_init() {
   #if HAS_SD_HOST_DRIVE
     MSC_SD_init();                         // Enable USB SD card access
   #endif
+
+  #if PIN_EXISTS(USB_CONNECT)
+    OUT_WRITE(USB_CONNECT_PIN, !USB_CONNECT_INVERTING);  // USB clear connection
+    delay(1000);                                         // Give OS time to notice
+    WRITE(USB_CONNECT_PIN, USB_CONNECT_INVERTING);
+  #endif
 }
 
 // HAL idle task
@@ -133,6 +139,8 @@ uint8_t HAL_get_reset_source() {
   ;
 }
 
+void HAL_reboot() { NVIC_SystemReset(); }
+
 void _delay_ms(const int delay_ms) { delay(delay_ms); }
 
 extern "C" {
@@ -147,8 +155,8 @@ extern "C" {
 void HAL_adc_start_conversion(const uint8_t adc_pin) { HAL_adc_result = analogRead(adc_pin); }
 uint16_t HAL_adc_get_result() { return HAL_adc_result; }
 
-// Reset the system (to initiate a firmware flash)
-void flashFirmware(const int16_t) { NVIC_SystemReset(); }
+// Reset the system to initiate a firmware flash
+void flashFirmware(const int16_t) { HAL_reboot(); }
 
 // Maple Compatibility
 volatile uint32_t systick_uptime_millis = 0;

Marlin/src/HAL/STM32/HAL.h

@@ -37,6 +37,9 @@
 
 #include <stdint.h>
 
+//
+// Serial Ports
+//
 #ifdef USBCON
   #include <USBSerial.h>
   #include "../../core/serial_hook.h"
@@ -44,9 +47,6 @@
   extern DefaultSerial1 MSerial0;
 #endif
 
-// ------------------------
-// Defines
-// ------------------------
 #define _MSERIAL(X) MSerial##X
 #define MSERIAL(X) _MSERIAL(X)
 
@@ -55,7 +55,7 @@
 #elif WITHIN(SERIAL_PORT, 1, 6)
   #define MYSERIAL1 MSERIAL(SERIAL_PORT)
 #else
-  #error "SERIAL_PORT must be -1 or from 1 to 6. Please update your configuration."
+  #error "SERIAL_PORT must be from 1 to 6. You can also use -1 if the board supports Native USB."
 #endif
 
 #ifdef SERIAL_PORT_2
@@ -64,7 +64,17 @@
   #elif WITHIN(SERIAL_PORT_2, 1, 6)
     #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
   #else
-    #error "SERIAL_PORT_2 must be -1 or from 1 to 6. Please update your configuration."
+    #error "SERIAL_PORT_2 must be from 1 to 6. You can also use -1 if the board supports Native USB."
+  #endif
+#endif
+
+#ifdef SERIAL_PORT_3
+  #if SERIAL_PORT_3 == -1
+    #define MYSERIAL3 MSerial0
+  #elif WITHIN(SERIAL_PORT_3, 1, 6)
+    #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
+  #else
+    #error "SERIAL_PORT_3 must be from 1 to 6. You can also use -1 if the board supports Native USB."
   #endif
 #endif
 
@@ -74,7 +84,7 @@
   #elif WITHIN(MMU2_SERIAL_PORT, 1, 6)
     #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
   #else
-    #error "MMU2_SERIAL_PORT must be -1 or from 1 to 6. Please update your configuration."
+    #error "MMU2_SERIAL_PORT must be from 1 to 6. You can also use -1 if the board supports Native USB."
   #endif
 #endif
 
@@ -84,7 +94,7 @@
   #elif WITHIN(LCD_SERIAL_PORT, 1, 6)
     #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
   #else
-    #error "LCD_SERIAL_PORT must be -1 or from 1 to 6. Please update your configuration."
+    #error "LCD_SERIAL_PORT must be from 1 to 6. You can also use -1 if the board supports Native USB."
   #endif
   #if HAS_DGUS_LCD
     #define SERIAL_GET_TX_BUFFER_FREE() LCD_SERIAL.availableForWrite()
@@ -144,7 +154,7 @@ void HAL_clear_reset_source();
 // Reset reason
 uint8_t HAL_get_reset_source();
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot();
 
 void _delay_ms(const int delay);
 

Marlin/src/HAL/STM32/HAL_MinSerial.cpp

@@ -71,8 +71,8 @@ static void TXBegin() {
       volatile uint32_t ICER[32];
     };
 
-    NVICMin * nvicBase = (NVICMin*)0xE000E100;
-    nvicBase->ICER[nvicIndex / 32] |= _BV32(nvicIndex % 32);
+    NVICMin *nvicBase = (NVICMin*)0xE000E100;
+    SBI32(nvicBase->ICER[nvicIndex >> 5], nvicIndex & 0x1F);
 
     // We NEED memory barriers to ensure Interrupts are actually disabled!
     // ( https://dzone.com/articles/nvic-disabling-interrupts-on-arm-cortex-m-and-the )

Marlin/src/HAL/STM32/eeprom_bl24cxx.cpp

@@ -0,0 +1,82 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef STM32F1
+
+/**
+ * PersistentStore for Arduino-style EEPROM interface
+ * with simple implementations supplied by Marlin.
+ */
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(IIC_BL24CXX_EEPROM)
+
+#include "../shared/eeprom_if.h"
+#include "../shared/eeprom_api.h"
+
+//
+// PersistentStore
+//
+
+#ifndef MARLIN_EEPROM_SIZE
+  #error "MARLIN_EEPROM_SIZE is required for IIC_BL24CXX_EEPROM."
+#endif
+
+size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE; }
+
+bool PersistentStore::access_start()  { eeprom_init(); return true; }
+bool PersistentStore::access_finish() { return true; }
+
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
+  uint16_t written = 0;
+  while (size--) {
+    uint8_t v = *value;
+    uint8_t * const p = (uint8_t * const)pos;
+    if (v != eeprom_read_byte(p)) { // EEPROM has only ~100,000 write cycles, so only write bytes that have changed!
+      eeprom_write_byte(p, v);
+      if (++written & 0x7F) delay(2); else safe_delay(2); // Avoid triggering watchdog during long EEPROM writes
+      if (eeprom_read_byte(p) != v) {
+        SERIAL_ECHO_MSG(STR_ERR_EEPROM_WRITE);
+        return true;
+      }
+    }
+    crc16(crc, &v, 1);
+    pos++;
+    value++;
+  }
+  return false;
+}
+
+bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
+  do {
+    uint8_t * const p = (uint8_t * const)pos;
+    uint8_t c = eeprom_read_byte(p);
+    if (writing) *value = c;
+    crc16(crc, &c, 1);
+    pos++;
+    value++;
+  } while (--size);
+  return false;
+}
+
+#endif // IIC_BL24CXX_EEPROM
+#endif // STM32F1

Marlin/src/HAL/STM32/eeprom_if_iic.cpp

@@ -0,0 +1,54 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Platform-independent Arduino functions for I2C EEPROM.
+ * Enable USE_SHARED_EEPROM if not supplied by the framework.
+ */
+
+#ifdef STM32F1
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(IIC_BL24CXX_EEPROM)
+
+#include "../../libs/BL24CXX.h"
+#include "../shared/eeprom_if.h"
+
+void eeprom_init() { BL24CXX::init(); }
+
+// ------------------------
+// Public functions
+// ------------------------
+
+void eeprom_write_byte(uint8_t *pos, uint8_t value) {
+  const unsigned eeprom_address = (unsigned)pos;
+  return BL24CXX::writeOneByte(eeprom_address, value);
+}
+
+uint8_t eeprom_read_byte(uint8_t *pos) {
+  const unsigned eeprom_address = (unsigned)pos;
+  return BL24CXX::readOneByte(eeprom_address);
+}
+
+#endif // IIC_BL24CXX_EEPROM
+#endif // STM32F1

Marlin/src/HAL/STM32/endstop_interrupts.h

@@ -46,4 +46,10 @@ void setup_endstop_interrupts() {
   TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN));
   TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN));
   TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(HAS_I_MAX, _ATTACH(I_MAX_PIN));
+  TERN_(HAS_I_MIN, _ATTACH(I_MIN_PIN));
+  TERN_(HAS_J_MAX, _ATTACH(J_MAX_PIN));
+  TERN_(HAS_J_MIN, _ATTACH(J_MIN_PIN));
+  TERN_(HAS_K_MAX, _ATTACH(K_MAX_PIN));
+  TERN_(HAS_K_MIN, _ATTACH(K_MIN_PIN));
 }

Marlin/src/HAL/STM32/inc/Conditionals_adv.h

@@ -21,7 +21,7 @@
  */
 #pragma once
 
-#if defined(USBD_USE_CDC_MSC) && DISABLED(NO_SD_HOST_DRIVE)
+#if BOTH(SDSUPPORT, USBD_USE_CDC_MSC) && DISABLED(NO_SD_HOST_DRIVE)
   #define HAS_SD_HOST_DRIVE 1
 #endif
 

Marlin/src/HAL/STM32/msc_sd.cpp

@@ -38,7 +38,7 @@ public:
         return &card.media_usbFlashDrive;
       #endif
     #else
-      return diskIODriver();
+      return card.diskIODriver();
     #endif
   }
 

Marlin/src/HAL/STM32/tft/gt911.cpp

@@ -0,0 +1,202 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ENABLED(TFT_TOUCH_DEVICE_GT911)
+
+#include "gt911.h"
+#include "pinconfig.h"
+
+SW_IIC::SW_IIC(uint16_t sda, uint16_t scl) {
+  scl_pin = scl;
+  sda_pin = sda;
+}
+
+// Software I2C hardware io init
+void SW_IIC::init() {
+  OUT_WRITE(scl_pin, HIGH);
+  OUT_WRITE(sda_pin, HIGH);
+}
+
+// Software I2C start signal
+void SW_IIC::start() {
+  write_sda(HIGH); // SDA = 1
+  write_scl(HIGH); // SCL = 1
+  iic_delay(2);
+  write_sda(LOW); // SDA = 0
+  iic_delay(1);
+  write_scl(LOW); // SCL = 0  // keep SCL low, avoid false stop caused by level jump caused by SDA switching IN/OUT
+}
+
+// Software I2C stop signal
+void SW_IIC::stop() {
+  write_scl(LOW); // SCL = 0
+  iic_delay(2);
+  write_sda(LOW); // SDA = 0
+  iic_delay(2);
+  write_scl(HIGH); // SCL = 1
+  iic_delay(2);
+  write_sda(HIGH); // SDA = 1
+}
+
+// Software I2C sends ACK or NACK signal
+void SW_IIC::send_ack(bool ack) {
+  write_sda(ack ? LOW : HIGH); // SDA = !ack
+  iic_delay(2);
+  write_scl(HIGH); // SCL = 1
+  iic_delay(2);
+  write_scl(LOW); // SCL = 0
+}
+
+// Software I2C read ACK or NACK signal
+bool SW_IIC::read_ack() {
+  bool error = 0;
+  set_sda_in();
+
+  iic_delay(2);
+
+  write_scl(HIGH); // SCL = 1
+  error = read_sda();
+
+  iic_delay(2);
+
+  write_scl(LOW);  // SCL = 0
+
+  set_sda_out();
+  return error;
+}
+
+void SW_IIC::send_byte(uint8_t txd) {
+  LOOP_L_N(i, 8) {
+    write_sda(txd & 0x80); // write data bit
+    txd <<= 1;
+    iic_delay(1);
+    write_scl(HIGH); // SCL = 1
+    iic_delay(2);
+    write_scl(LOW); // SCL = 0
+    iic_delay(1);
+  }
+
+  read_ack();  // wait ack
+}
+
+uint8_t SW_IIC::read_byte(bool ack) {
+  uint8_t data = 0;
+
+  set_sda_in();
+  LOOP_L_N(i, 8) {
+    write_scl(HIGH); // SCL = 1
+    iic_delay(1);
+    data <<= 1;
+    if (read_sda()) data++;
+    write_scl(LOW); // SCL = 0
+    iic_delay(2);
+  }
+  set_sda_out();
+
+  send_ack(ack);
+
+  return data;
+}
+
+GT911_REG_MAP GT911::reg;
+SW_IIC GT911::sw_iic = SW_IIC(GT911_SW_I2C_SDA_PIN, GT911_SW_I2C_SCL_PIN);
+
+void GT911::write_reg(uint16_t reg, uint8_t reg_len, uint8_t* w_data, uint8_t w_len) {
+  sw_iic.start();
+  sw_iic.send_byte(gt911_slave_address);  // Set IIC Slave address
+  LOOP_L_N(i, reg_len) {  // Set reg address
+    uint8_t r = (reg >> (8 * (reg_len - 1 - i))) & 0xFF;
+    sw_iic.send_byte(r);
+  }
+
+  LOOP_L_N(i, w_len) {  // Write data to reg
+    sw_iic.send_byte(w_data[i]);
+  }
+  sw_iic.stop();
+}
+
+void GT911::read_reg(uint16_t reg, uint8_t reg_len, uint8_t* r_data, uint8_t r_len) {
+  sw_iic.start();
+  sw_iic.send_byte(gt911_slave_address);  // Set IIC Slave address
+  LOOP_L_N(i, reg_len) {  // Set reg address
+    uint8_t r = (reg >> (8 * (reg_len - 1 - i))) & 0xFF;
+    sw_iic.send_byte(r);
+  }
+
+  sw_iic.start();
+  sw_iic.send_byte(gt911_slave_address + 1);  // Set read mode
+
+  LOOP_L_N(i, r_len) {
+    r_data[i] = sw_iic.read_byte(1);  // Read data from reg
+  }
+  sw_iic.stop();
+}
+
+void GT911::Init() {
+  OUT_WRITE(GT911_RST_PIN, LOW);
+  OUT_WRITE(GT911_INT_PIN, LOW);
+  delay(20);
+  WRITE(GT911_RST_PIN, HIGH);
+  SET_INPUT(GT911_INT_PIN);
+
+  sw_iic.init();
+
+  uint8_t clear_reg = 0x0000;
+  write_reg(0x814E, 2, &clear_reg, 2); // Reset to 0 for start
+}
+
+bool GT911::getFirstTouchPoint(int16_t *x, int16_t *y) {
+  read_reg(0x814E, 2, &reg.REG.status, 1);
+
+  if (reg.REG.status & 0x80) {
+    uint8_t clear_reg = 0x00;
+    write_reg(0x814E, 2, &clear_reg, 1); // Reset to 0 for start
+    read_reg(0x8150, 2, reg.map + 2, 8 * (reg.REG.status & 0x0F));
+
+    // First touch point
+    *x = ((reg.REG.point[0].xh & 0x0F) << 8) | reg.REG.point[0].xl;
+    *y = ((reg.REG.point[0].yh & 0x0F) << 8) | reg.REG.point[0].yl;
+    return true;
+  }
+  return false;
+}
+
+bool GT911::getPoint(int16_t *x, int16_t *y) {
+  static bool touched = 0;
+  static int16_t read_x = 0, read_y = 0;
+  static millis_t next_time = 0;
+
+  if (ELAPSED(millis(), next_time)) {
+    touched = getFirstTouchPoint(&read_x, &read_y);
+    next_time = millis() + 20;
+  }
+
+  *x = read_x;
+  *y = read_y;
+  return touched;
+}
+
+#endif // TFT_TOUCH_DEVICE_GT911
+#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC

Marlin/src/HAL/STM32/tft/gt911.h

@@ -0,0 +1,120 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../../inc/MarlinConfig.h"
+
+#define GT911_SLAVE_ADDRESS   0xBA
+
+#if !PIN_EXISTS(GT911_RST)
+  #error "GT911_RST_PIN is not defined."
+#elif !PIN_EXISTS(GT911_INT)
+  #error "GT911_INT_PIN is not defined."
+#elif !PIN_EXISTS(GT911_SW_I2C_SCL)
+  #error "GT911_SW_I2C_SCL_PIN is not defined."
+#elif !PIN_EXISTS(GT911_SW_I2C_SDA)
+  #error "GT911_SW_I2C_SDA_PIN is not defined."
+#endif
+
+class SW_IIC {
+  private:
+    uint16_t scl_pin;
+    uint16_t sda_pin;
+    void write_scl(bool level)
+    {
+      WRITE(scl_pin, level);
+    }
+    void write_sda(bool level)
+    {
+      WRITE(sda_pin, level);
+    }
+    bool read_sda()
+    {
+      return READ(sda_pin);
+    }
+    void set_sda_out()
+    {
+      SET_OUTPUT(sda_pin);
+    }
+    void set_sda_in()
+    {
+      SET_INPUT_PULLUP(sda_pin);
+    }
+    static void iic_delay(uint8_t t)
+    {
+      delayMicroseconds(t);
+    }
+
+  public:
+    SW_IIC(uint16_t sda, uint16_t scl);
+    // setSCL/SDA have to be called before begin()
+    void setSCL(uint16_t scl)
+    {
+      scl_pin = scl;
+    };
+    void setSDA(uint16_t sda)
+    {
+      sda_pin = sda;
+    };
+    void init();                // Initialize the IO port of IIC
+    void start();               // Send IIC start signal
+    void stop();                // Send IIC stop signal
+    void send_byte(uint8_t txd); // IIC sends a byte
+    uint8_t read_byte(bool ack); // IIC reads a byte
+    void send_ack(bool ack);            // IIC sends ACK or NACK signal
+    bool read_ack();
+};
+
+typedef struct __attribute__((__packed__)) {
+  uint8_t xl;
+  uint8_t xh;
+  uint8_t yl;
+  uint8_t yh;
+  uint8_t sizel;
+  uint8_t sizeh;
+  uint8_t reserved;
+  uint8_t track_id;
+} GT911_POINT;
+
+typedef union __attribute__((__packed__)) {
+  uint8_t map[42];
+  struct {
+    uint8_t status;    // 0x814E
+    uint8_t track_id;  // 0x814F
+
+    GT911_POINT point[5]; // [0]:0x8150 - 0x8157 / [1]:0x8158 - 0x815F / [2]:0x8160 - 0x8167 / [3]:0x8168 - 0x816F / [4]:0x8170 - 0x8177
+ } REG;
+} GT911_REG_MAP;
+
+class GT911 {
+  private:
+    static const uint8_t gt911_slave_address = GT911_SLAVE_ADDRESS;
+    static GT911_REG_MAP reg;
+    static SW_IIC sw_iic;
+    static void write_reg(uint16_t reg, uint8_t reg_len, uint8_t* w_data, uint8_t w_len);
+    static void read_reg(uint16_t reg, uint8_t reg_len, uint8_t* r_data, uint8_t r_len);
+
+  public:
+    static void Init();
+    static bool getFirstTouchPoint(int16_t *x, int16_t *y);
+    static bool getPoint(int16_t *x, int16_t *y);
+};

Marlin/src/HAL/STM32/tft/tft_ltdc.cpp

@@ -45,7 +45,6 @@
 #define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000)
 #define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE     ((uint16_t)0x0200)
 
-
 void SDRAM_Initialization_Sequence(SDRAM_HandleTypeDef *hsdram, FMC_SDRAM_CommandTypeDef *Command) {
 
   __IO uint32_t tmpmrd =0;
@@ -192,7 +191,7 @@ void LTDC_Config() {
 
   hltdc_F.Instance = LTDC;
 
-/* Layer0 Configuration ------------------------------------------------------*/
+  /* Layer0 Configuration ------------------------------------------------------*/
 
   /* Windowing configuration */
   pLayerCfg.WindowX0 = 0;
@@ -289,22 +288,21 @@ void TFT_LTDC::DrawRect(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint
   uint16_t offline = TFT_WIDTH - (ex - sx);
   uint32_t addr = (uint32_t)&framebuffer[(TFT_WIDTH * sy) + sx];
 
-  DMA2D->CR &= ~(1 << 0);
+  CBI(DMA2D->CR, 0);
   DMA2D->CR = 3 << 16;
   DMA2D->OPFCCR = 0X02;
   DMA2D->OOR = offline;
   DMA2D->OMAR = addr;
   DMA2D->NLR = (ey - sy) | ((ex - sx) << 16);
   DMA2D->OCOLR = color;
-  DMA2D->CR |= 1<<0;
+  SBI(DMA2D->CR, 0);
 
   uint32_t timeout = 0;
-  while((DMA2D->ISR & (1<<1)) == 0)
-  {
+  while (!TEST(DMA2D->ISR, 1)) {
     timeout++;
-    if(timeout>0X1FFFFF)break;
+    if (timeout > 0x1FFFFF) break;
   }
-  DMA2D->IFCR |= 1<<1;
+  SBI(DMA2D->IFCR, 1);
 }
 
 void TFT_LTDC::DrawImage(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint16_t *colors) {
@@ -314,7 +312,7 @@ void TFT_LTDC::DrawImage(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uin
   uint16_t offline = TFT_WIDTH - (ex - sx);
   uint32_t addr = (uint32_t)&framebuffer[(TFT_WIDTH * sy) + sx];
 
-  DMA2D->CR &= ~(1 << 0);
+  CBI(DMA2D->CR, 0);
   DMA2D->CR = 0 << 16;
   DMA2D->FGPFCCR = 0X02;
   DMA2D->FGOR = 0;
@@ -322,15 +320,14 @@ void TFT_LTDC::DrawImage(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uin
   DMA2D->FGMAR = (uint32_t)colors;
   DMA2D->OMAR = addr;
   DMA2D->NLR = (ey - sy) | ((ex - sx) << 16);
-  DMA2D->CR |= 1<<0;
+  SBI(DMA2D->CR, 0);
 
   uint32_t timeout = 0;
-  while((DMA2D->ISR & (1<<1)) == 0)
-  {
+  while (!TEST(DMA2D->ISR, 1)) {
     timeout++;
-    if(timeout>0X1FFFFF)break;
+    if (timeout > 0x1FFFFF) break;
   }
-  DMA2D->IFCR |= 1<<1;
+  SBI(DMA2D->IFCR, 1);
 }
 
 void TFT_LTDC::WriteData(uint16_t data) {

Marlin/src/HAL/STM32/tft/xpt2046.cpp

@@ -23,7 +23,7 @@
 
 #include "../../../inc/MarlinConfig.h"
 
-#if HAS_TFT_XPT2046 || HAS_TOUCH_BUTTONS
+#if HAS_TFT_XPT2046 || HAS_RES_TOUCH_BUTTONS
 
 #include "xpt2046.h"
 #include "pinconfig.h"

Marlin/src/HAL/STM32/timers.h

@@ -21,15 +21,12 @@
  */
 #pragma once
 
-#include <stdint.h>
 #include "../../inc/MarlinConfig.h"
 
 // ------------------------
 // Defines
 // ------------------------
 
-#define FORCE_INLINE __attribute__((always_inline)) inline
-
 // STM32 timers may be 16 or 32 bit. Limiting HAL_TIMER_TYPE_MAX to 16 bits
 // avoids issues with STM32F0 MCUs, which seem to pause timers if UINT32_MAX
 // is written to the register. STM32F4 timers do not manifest this issue,

Marlin/src/HAL/STM32/usb_host.cpp

@@ -110,7 +110,7 @@ uint8_t BulkStorage::Read(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t bl
 }
 
 uint8_t BulkStorage::Write(uint8_t lun, uint32_t addr, uint16_t bsize, uint8_t blocks, const uint8_t * buf) {
-  return USBH_MSC_Write(&hUsbHost, lun, addr, const_cast <uint8_t*>(buf), blocks) != USBH_OK;
+  return USBH_MSC_Write(&hUsbHost, lun, addr, const_cast<uint8_t*>(buf), blocks) != USBH_OK;
 }
 
 #endif // USE_OTG_USB_HOST && USBHOST

Marlin/src/HAL/STM32F1/HAL.cpp

@@ -293,7 +293,7 @@ void HAL_init() {
   #if PIN_EXISTS(USB_CONNECT)
     OUT_WRITE(USB_CONNECT_PIN, !USB_CONNECT_INVERTING);  // USB clear connection
     delay(1000);                                         // Give OS time to notice
-    OUT_WRITE(USB_CONNECT_PIN, USB_CONNECT_INVERTING);
+    WRITE(USB_CONNECT_PIN, USB_CONNECT_INVERTING);
   #endif
   TERN_(POSTMORTEM_DEBUGGING, install_min_serial());    // Install the minimal serial handler
 }
@@ -453,6 +453,8 @@ void analogWrite(pin_t pin, int pwm_val8) {
     analogWrite(uint8_t(pin), pwm_val8);
 }
 
-void flashFirmware(const int16_t) { nvic_sys_reset(); }
+void HAL_reboot() { nvic_sys_reset(); }
+
+void flashFirmware(const int16_t) { HAL_reboot(); }
 
 #endif // __STM32F1__

Marlin/src/HAL/STM32F1/HAL.h

@@ -36,7 +36,6 @@
 #include "fastio.h"
 #include "watchdog.h"
 
-
 #include <stdint.h>
 #include <util/atomic.h>
 
@@ -63,11 +62,10 @@
 #ifdef SERIAL_USB
   typedef ForwardSerial1Class< USBSerial > DefaultSerial1;
   extern DefaultSerial1 MSerial0;
-
-  #if !HAS_SD_HOST_DRIVE
-    #define UsbSerial MSerial0
-  #else
+  #if HAS_SD_HOST_DRIVE
     #define UsbSerial MarlinCompositeSerial
+  #else
+    #define UsbSerial MSerial0
   #endif
 #endif
 
@@ -86,11 +84,7 @@
   #define MYSERIAL1 MSERIAL(SERIAL_PORT)
 #else
   #define MYSERIAL1 MSERIAL(1) // dummy port
-  #if NUM_UARTS == 5
-    #error "SERIAL_PORT must be -1 or from 1 to 5. Please update your configuration."
-  #else
-    #error "SERIAL_PORT must be -1 or from 1 to 3. Please update your configuration."
-  #endif
+  static_assert(false, "SERIAL_PORT must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
 #endif
 
 #ifdef SERIAL_PORT_2
@@ -100,11 +94,18 @@
     #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
   #else
     #define MYSERIAL2 MSERIAL(1) // dummy port
-    #if NUM_UARTS == 5
-      #error "SERIAL_PORT_2 must be -1 or from 1 to 5. Please update your configuration."
-    #else
-      #error "SERIAL_PORT_2 must be -1 or from 1 to 3. Please update your configuration."
-    #endif
+    static_assert(false, "SERIAL_PORT_2 must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
+  #endif
+#endif
+
+#ifdef SERIAL_PORT_3
+  #if SERIAL_PORT_3 == -1
+    #define MYSERIAL3 UsbSerial
+  #elif WITHIN(SERIAL_PORT_3, 1, NUM_UARTS)
+    #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
+  #else
+    #define MYSERIAL3 MSERIAL(1) // dummy port
+    static_assert(false, "SERIAL_PORT_3 must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
   #endif
 #endif
 
@@ -115,11 +116,7 @@
     #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
   #else
     #define MMU2_SERIAL MSERIAL(1) // dummy port
-    #if NUM_UARTS == 5
-      #error "MMU2_SERIAL_PORT must be -1 or from 1 to 5. Please update your configuration."
-    #else
-      #error "MMU2_SERIAL_PORT must be -1 or from 1 to 3. Please update your configuration."
-    #endif
+    static_assert(false, "MMU2_SERIAL_PORT must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
   #endif
 #endif
 
@@ -130,11 +127,7 @@
     #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
   #else
     #define LCD_SERIAL MSERIAL(1) // dummy port
-    #if NUM_UARTS == 5
-      #error "LCD_SERIAL_PORT must be -1 or from 1 to 5. Please update your configuration."
-    #else
-      #error "LCD_SERIAL_PORT must be -1 or from 1 to 3. Please update your configuration."
-    #endif
+    static_assert(false, "LCD_SERIAL_PORT must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
   #endif
   #if HAS_DGUS_LCD
     #define SERIAL_GET_TX_BUFFER_FREE() LCD_SERIAL.availableForWrite()
@@ -207,7 +200,7 @@ void HAL_clear_reset_source();
 // Reset reason
 uint8_t HAL_get_reset_source();
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot();
 
 void _delay_ms(const int delay);
 

Marlin/src/HAL/STM32F1/HAL_MinSerial.cpp

@@ -55,7 +55,7 @@ static void TXBegin() {
     nvic_irq_disable(dev->irq_num);
 
     // Use this if removing libmaple
-    //NVIC_BASE->ICER[1] |= _BV(irq - 32);
+    //SBI(NVIC_BASE->ICER[1], irq - 32);
 
     // We NEED memory barriers to ensure Interrupts are actually disabled!
     // ( https://dzone.com/articles/nvic-disabling-interrupts-on-arm-cortex-m-and-the )

Marlin/src/HAL/STM32F1/MarlinSerial.cpp

@@ -60,7 +60,7 @@ static inline __always_inline void my_usart_irq(ring_buffer *rb, ring_buffer *wb
   }
   else if (srflags & USART_SR_ORE) {
     // overrun and empty data, just do a dummy read to clear ORE
-    // and prevent a raise condition where a continous interrupt stream (due to ORE set) occurs
+    // and prevent a raise condition where a continuous interrupt stream (due to ORE set) occurs
     // (see chapter "Overrun error" ) in STM32 reference manual
     regs->DR;
   }
@@ -167,6 +167,15 @@ constexpr bool IsSerialClassAllowed(const HardwareSerial&) { return false; }
 #if AXIS_HAS_HW_SERIAL(Z4)
   CHECK_AXIS_SERIAL(Z4);
 #endif
+#if AXIS_HAS_HW_SERIAL(I)
+  CHECK_AXIS_SERIAL(I);
+#endif
+#if AXIS_HAS_HW_SERIAL(J)
+  CHECK_AXIS_SERIAL(J);
+#endif
+#if AXIS_HAS_HW_SERIAL(K)
+  CHECK_AXIS_SERIAL(K);
+#endif
 #if AXIS_HAS_HW_SERIAL(E0)
   CHECK_AXIS_SERIAL(E0);
 #endif

Marlin/src/HAL/STM32F1/build_flags.py

@@ -11,6 +11,7 @@ if __name__ == "__main__":
                     "-fsigned-char",
                     "-fno-move-loop-invariants",
                     "-fno-strict-aliasing",
+                    "-fsingle-precision-constant",
 
                     "--specs=nano.specs",
                     "--specs=nosys.specs",

Marlin/src/HAL/STM32F1/endstop_interrupts.h

@@ -71,4 +71,10 @@ void setup_endstop_interrupts() {
   TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN));
   TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN));
   TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(HAS_I_MAX, _ATTACH(I_MAX_PIN));
+  TERN_(HAS_I_MIN, _ATTACH(I_MIN_PIN));
+  TERN_(HAS_J_MAX, _ATTACH(J_MAX_PIN));
+  TERN_(HAS_J_MIN, _ATTACH(J_MIN_PIN));
+  TERN_(HAS_K_MAX, _ATTACH(K_MAX_PIN));
+  TERN_(HAS_K_MIN, _ATTACH(K_MIN_PIN));
 }

Marlin/src/HAL/STM32F1/tft/xpt2046.cpp

@@ -22,7 +22,7 @@
 
 #include "../../../inc/MarlinConfig.h"
 
-#if HAS_TFT_XPT2046 || HAS_TOUCH_BUTTONS
+#if HAS_TFT_XPT2046 || HAS_RES_TOUCH_BUTTONS
 
 #include "xpt2046.h"
 #include <SPI.h>

Marlin/src/HAL/STM32F1/timers.h

@@ -25,9 +25,10 @@
  * HAL for stm32duino.com based on Libmaple and compatible (STM32F1)
  */
 
-#include <stdint.h>
+#include "../../inc/MarlinConfig.h"
+#include "HAL.h"
+
 #include <libmaple/timer.h>
-#include "../../core/boards.h"
 
 // ------------------------
 // Defines
@@ -37,7 +38,6 @@
  * TODO: Check and confirm what timer we will use for each Temps and stepper driving.
  * We should probable drive temps with PWM.
  */
-#define FORCE_INLINE __attribute__((always_inline)) inline
 
 typedef uint16_t hal_timer_t;
 #define HAL_TIMER_TYPE_MAX 0xFFFF
@@ -80,7 +80,7 @@ typedef uint16_t hal_timer_t;
   //#define TEMP_TIMER_NUM      4  // 2->4, Timer 2 for Stepper Current PWM
 #endif
 
-#if MB(BTT_SKR_MINI_E3_V1_0, BTT_SKR_E3_DIP, BTT_SKR_MINI_E3_V1_2, MKS_ROBIN_LITE)
+#if MB(BTT_SKR_MINI_E3_V1_0, BTT_SKR_E3_DIP, BTT_SKR_MINI_E3_V1_2, MKS_ROBIN_LITE, MKS_ROBIN_E3D, MKS_ROBIN_E3)
   // SKR Mini E3 boards use PA8 as FAN_PIN, so TIMER 1 is used for Fan PWM.
   #ifdef STM32_HIGH_DENSITY
     #define SERVO0_TIMER_NUM 8  // tone.cpp uses Timer 4

Marlin/src/HAL/TEENSY31_32/HAL.cpp

@@ -35,6 +35,8 @@
 #define IMPLEMENT_SERIAL(X)  _IMPLEMENT_SERIAL(X)
 #if WITHIN(SERIAL_PORT, 0, 3)
   IMPLEMENT_SERIAL(SERIAL_PORT);
+#else
+  #error "SERIAL_PORT must be from 0 to 3."
 #endif
 USBSerialType USBSerial(false, SerialUSB);
 
@@ -76,6 +78,8 @@ uint8_t HAL_get_reset_source() {
   return 0;
 }
 
+void HAL_reboot() { _reboot_Teensyduino_(); }
+
 extern "C" {
   extern char __bss_end;
   extern char __heap_start;

Marlin/src/HAL/TEENSY31_32/HAL.h

@@ -34,7 +34,6 @@
 #include "fastio.h"
 #include "watchdog.h"
 
-
 #include <stdint.h>
 
 #define ST7920_DELAY_1 DELAY_NS(600)
@@ -69,6 +68,8 @@ extern USBSerialType USBSerial;
 #elif WITHIN(SERIAL_PORT, 0, 3)
   DECLARE_SERIAL(SERIAL_PORT);
   #define MYSERIAL1 MSERIAL(SERIAL_PORT)
+#else
+  #error "The required SERIAL_PORT must be from 0 to 3, or -1 for Native USB."
 #endif
 
 #define HAL_SERVO_LIB libServo
@@ -93,7 +94,7 @@ void HAL_clear_reset_source();
 // Get the reason for the reset
 uint8_t HAL_get_reset_source();
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot();
 
 FORCE_INLINE void _delay_ms(const int delay_ms) { delay(delay_ms); }
 

Marlin/src/HAL/TEENSY31_32/HAL_SPI.cpp

@@ -21,11 +21,12 @@
  */
 #ifdef __MK20DX256__
 
+#include "../../inc/MarlinConfig.h"
 #include "HAL.h"
+
 #include <SPI.h>
 #include <pins_arduino.h>
 #include "spi_pins.h"
-#include "../../core/macros.h"
 
 static SPISettings spiConfig;
 

Marlin/src/HAL/TEENSY31_32/endstop_interrupts.h

@@ -64,4 +64,10 @@ void setup_endstop_interrupts() {
   TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN));
   TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN));
   TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(HAS_I_MAX, _ATTACH(I_MAX_PIN));
+  TERN_(HAS_I_MIN, _ATTACH(I_MIN_PIN));
+  TERN_(HAS_J_MAX, _ATTACH(J_MAX_PIN));
+  TERN_(HAS_J_MIN, _ATTACH(J_MIN_PIN));
+  TERN_(HAS_K_MAX, _ATTACH(K_MAX_PIN));
+  TERN_(HAS_K_MIN, _ATTACH(K_MIN_PIN));
 }

Marlin/src/HAL/TEENSY35_36/HAL.cpp

@@ -86,6 +86,8 @@ uint8_t HAL_get_reset_source() {
   return 0;
 }
 
+void HAL_reboot() { _reboot_Teensyduino_(); }
+
 extern "C" {
   extern char __bss_end;
   extern char __heap_start;

Marlin/src/HAL/TEENSY35_36/HAL.h

@@ -72,6 +72,8 @@ extern USBSerialType USBSerial;
 #elif WITHIN(SERIAL_PORT, 0, 3)
   #define MYSERIAL1 MSERIAL(SERIAL_PORT)
   DECLARE_SERIAL(SERIAL_PORT);
+#else
+  #error "SERIAL_PORT must be from 0 to 3, or -1 for Native USB."
 #endif
 
 #define HAL_SERVO_LIB libServo
@@ -99,7 +101,7 @@ void HAL_clear_reset_source();
 // Reset reason
 uint8_t HAL_get_reset_source();
 
-inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+void HAL_reboot();
 
 FORCE_INLINE void _delay_ms(const int delay_ms) { delay(delay_ms); }
 

Marlin/src/HAL/TEENSY35_36/HAL_SPI.cpp

@@ -26,11 +26,12 @@
 
 #if defined(__MK64FX512__) || defined(__MK66FX1M0__)
 
+#include "../../inc/MarlinConfig.h"
 #include "HAL.h"
+
 #include <SPI.h>
 #include <pins_arduino.h>
 #include "spi_pins.h"
-#include "../../core/macros.h"
 
 static SPISettings spiConfig;
 

Marlin/src/HAL/TEENSY35_36/endstop_interrupts.h

@@ -63,4 +63,10 @@ void setup_endstop_interrupts() {
   TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN));
   TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN));
   TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(HAS_I_MAX, _ATTACH(I_MAX_PIN));
+  TERN_(HAS_I_MIN, _ATTACH(I_MIN_PIN));
+  TERN_(HAS_J_MAX, _ATTACH(J_MAX_PIN));
+  TERN_(HAS_J_MIN, _ATTACH(J_MIN_PIN));
+  TERN_(HAS_K_MAX, _ATTACH(K_MAX_PIN));
+  TERN_(HAS_K_MIN, _ATTACH(K_MIN_PIN));
 }

Marlin/src/HAL/TEENSY40_41/HAL.cpp

@@ -26,10 +26,11 @@
 
 #ifdef __IMXRT1062__
 
+#include "../../inc/MarlinConfig.h"
 #include "HAL.h"
+
 #include "../shared/Delay.h"
 #include "timers.h"
-
 #include <Wire.h>
 
 #define _IMPLEMENT_SERIAL(X) DefaultSerial##X MSerial##X(false, Serial##X)
@@ -120,6 +121,8 @@ uint8_t HAL_get_reset_source() {
   return 0;
 }
 
+void HAL_reboot() { _reboot_Teensyduino_(); }
+
 #define __bss_end _ebss
 
 extern "C" {

Marlin/src/HAL/TEENSY40_41/HAL.h

@@ -74,7 +74,7 @@ extern USBSerialType USBSerial;
   DECLARE_SERIAL(SERIAL_PORT);
   #define MYSERIAL1 MSERIAL(SERIAL_PORT)
 #else
-  #error "The required SERIAL_PORT must be from -1 to 8. Please update your configuration."
+  #error "The required SERIAL_PORT must be from 0 to 8, or -1 for Native USB."
 #endif
 
 #ifdef SERIAL_PORT_2
@@ -85,7 +85,7 @@ extern USBSerialType USBSerial;
   #elif WITHIN(SERIAL_PORT_2, 0, 8)
     #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
   #else
-    #error "SERIAL_PORT_2 must be from -2 to 8. Please update your configuration."
+    #error "SERIAL_PORT_2 must be from 0 to 8, or -1 for Native USB, or -2 for Ethernet."
   #endif
 #endif
 
@@ -121,6 +121,8 @@ void HAL_clear_reset_source();
 // Reset reason
 uint8_t HAL_get_reset_source();
 
+void HAL_reboot();
+
 FORCE_INLINE void _delay_ms(const int delay_ms) { delay(delay_ms); }
 
 #if GCC_VERSION <= 50000

Marlin/src/HAL/TEENSY40_41/HAL_SPI.cpp

@@ -26,11 +26,12 @@
 
 #ifdef __IMXRT1062__
 
+#include "../../inc/MarlinConfig.h"
 #include "HAL.h"
+
 #include <SPI.h>
 #include <pins_arduino.h>
 #include "spi_pins.h"
-#include "../../core/macros.h"
 
 static SPISettings spiConfig;
 

Marlin/src/HAL/TEENSY40_41/endstop_interrupts.h

@@ -63,4 +63,10 @@ void setup_endstop_interrupts() {
   TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN));
   TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN));
   TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(HAS_I_MAX, _ATTACH(I_MAX_PIN));
+  TERN_(HAS_I_MIN, _ATTACH(I_MIN_PIN));
+  TERN_(HAS_J_MAX, _ATTACH(J_MAX_PIN));
+  TERN_(HAS_J_MIN, _ATTACH(J_MIN_PIN));
+  TERN_(HAS_K_MAX, _ATTACH(K_MAX_PIN));
+  TERN_(HAS_K_MIN, _ATTACH(K_MIN_PIN));
 }

Marlin/src/HAL/shared/Marduino.h

@@ -82,4 +82,8 @@
   #define UNUSED(x) ((void)(x))
 #endif
 
+#ifndef FORCE_INLINE
+  #define FORCE_INLINE inline __attribute__((always_inline))
+#endif
+
 #include "progmem.h"

Marlin/src/HAL/shared/eeprom_if_i2c.cpp

@@ -30,11 +30,17 @@
 #if ENABLED(I2C_EEPROM)
 
 #include "eeprom_if.h"
-#include <Wire.h>
+
+#if ENABLED(SOFT_I2C_EEPROM)
+  #include <SlowSoftWire.h>
+  SlowSoftWire Wire = SlowSoftWire(I2C_SDA_PIN, I2C_SCL_PIN, true);
+#else
+  #include <Wire.h>
+#endif
 
 void eeprom_init() {
   Wire.begin(
-    #if PINS_EXIST(I2C_SCL, I2C_SDA)
+    #if PINS_EXIST(I2C_SCL, I2C_SDA) && DISABLED(SOFT_I2C_EEPROM)
       uint8_t(I2C_SDA_PIN), uint8_t(I2C_SCL_PIN)
     #endif
   );

Marlin/src/MarlinCore.cpp

@@ -68,9 +68,9 @@
 #endif
 
 #if HAS_TFT_LVGL_UI
-  #include "lcd/extui/lib/mks_ui/tft_lvgl_configuration.h"
-  #include "lcd/extui/lib/mks_ui/draw_ui.h"
-  #include "lcd/extui/lib/mks_ui/mks_hardware_test.h"
+  #include "lcd/extui/mks_ui/tft_lvgl_configuration.h"
+  #include "lcd/extui/mks_ui/draw_ui.h"
+  #include "lcd/extui/mks_ui/mks_hardware_test.h"
   #include <lvgl.h>
 #endif
 
@@ -229,7 +229,11 @@
 #endif
 
 #if ENABLED(DGUS_LCD_UI_MKS)
-  #include "lcd/extui/lib/dgus/DGUSScreenHandler.h"
+  #include "lcd/extui/dgus/DGUSScreenHandler.h"
+#endif
+
+#if HAS_DRIVER_SAFE_POWER_PROTECT
+  #include "feature/stepper_driver_safety.h"
 #endif
 
 PGMSTR(M112_KILL_STR, "M112 Shutdown");
@@ -300,6 +304,9 @@ void enable_all_steppers() {
   ENABLE_AXIS_X();
   ENABLE_AXIS_Y();
   ENABLE_AXIS_Z();
+  ENABLE_AXIS_I(); // Marlin 6-axis support by DerAndere (https://github.com/DerAndere1/Marlin/wiki)
+  ENABLE_AXIS_J();
+  ENABLE_AXIS_K();
   enable_e_steppers();
 
   TERN_(EXTENSIBLE_UI, ExtUI::onSteppersEnabled());
@@ -313,7 +320,7 @@ void disable_e_steppers() {
 void disable_e_stepper(const uint8_t e) {
   #define _CASE_DIS_E(N) case N: DISABLE_AXIS_E##N(); break;
   switch (e) {
-    REPEAT(EXTRUDERS, _CASE_DIS_E)
+    REPEAT(E_STEPPERS, _CASE_DIS_E)
   }
 }
 
@@ -321,24 +328,23 @@ void disable_all_steppers() {
   DISABLE_AXIS_X();
   DISABLE_AXIS_Y();
   DISABLE_AXIS_Z();
+  DISABLE_AXIS_I();
+  DISABLE_AXIS_J();
+  DISABLE_AXIS_K();
   disable_e_steppers();
 
   TERN_(EXTENSIBLE_UI, ExtUI::onSteppersDisabled());
 }
 
 /**
- * A Print Job exists when the timer is running or SD printing
+ * A Print Job exists when the timer is running or SD is printing
  */
-bool printJobOngoing() {
-  return print_job_timer.isRunning() || IS_SD_PRINTING();
-}
+bool printJobOngoing() { return print_job_timer.isRunning() || IS_SD_PRINTING(); }
 
 /**
- * Printing is active when the print job timer is running
+ * Printing is active when a job is underway but not paused
  */
-bool printingIsActive() {
-  return !did_pause_print && (print_job_timer.isRunning() || IS_SD_PRINTING());
-}
+bool printingIsActive() { return !did_pause_print && printJobOngoing(); }
 
 /**
  * Printing is paused according to SD or host indicators
@@ -363,7 +369,7 @@ void startOrResumeJob() {
 
   inline void abortSDPrinting() {
     IF_DISABLED(NO_SD_AUTOSTART, card.autofile_cancel());
-    card.endFilePrint(TERN_(SD_RESORT, true));
+    card.abortFilePrintNow(TERN_(SD_RESORT, true));
 
     queue.clear();
     quickstop_stepper();
@@ -386,8 +392,8 @@ void startOrResumeJob() {
   }
 
   inline void finishSDPrinting() {
-    if (queue.enqueue_one_P(PSTR("M1001"))) {
-      marlin_state = MF_RUNNING;
+    if (queue.enqueue_one_P(PSTR("M1001"))) { // Keep trying until it gets queued
+      marlin_state = MF_RUNNING;              // Signal to stop trying
       TERN_(PASSWORD_AFTER_SD_PRINT_END, password.lock_machine());
       TERN_(DGUS_LCD_UI_MKS, ScreenHandler.SDPrintingFinished());
     }
@@ -444,6 +450,9 @@ inline void manage_inactivity(const bool ignore_stepper_queue=false) {
         if (ENABLED(DISABLE_INACTIVE_X)) DISABLE_AXIS_X();
         if (ENABLED(DISABLE_INACTIVE_Y)) DISABLE_AXIS_Y();
         if (ENABLED(DISABLE_INACTIVE_Z)) DISABLE_AXIS_Z();
+        if (ENABLED(DISABLE_INACTIVE_I)) DISABLE_AXIS_I();
+        if (ENABLED(DISABLE_INACTIVE_J)) DISABLE_AXIS_J();
+        if (ENABLED(DISABLE_INACTIVE_K)) DISABLE_AXIS_K();
         if (ENABLED(DISABLE_INACTIVE_E)) disable_e_steppers();
 
         TERN_(AUTO_BED_LEVELING_UBL, ubl.steppers_were_disabled());
@@ -453,7 +462,8 @@ inline void manage_inactivity(const bool ignore_stepper_queue=false) {
       already_shutdown_steppers = false;
   }
 
-  #if PIN_EXISTS(CHDK) // Check if pin should be set to LOW (after M240 set it HIGH)
+  #if ENABLED(PHOTO_GCODE) && PIN_EXISTS(CHDK)
+    // Check if CHDK should be set to LOW (after M240 set it HIGH)
     extern millis_t chdk_timeout;
     if (chdk_timeout && ELAPSED(ms, chdk_timeout)) {
       chdk_timeout = 0;
@@ -482,6 +492,10 @@ inline void manage_inactivity(const bool ignore_stepper_queue=false) {
     }
   #endif
 
+  #if HAS_FREEZE_PIN
+    Stepper::frozen = !READ(FREEZE_PIN);
+  #endif
+
   #if HAS_HOME
     // Handle a standalone HOME button
     constexpr millis_t HOME_DEBOUNCE_DELAY = 1000UL;
@@ -599,7 +613,7 @@ inline void manage_inactivity(const bool ignore_stepper_queue=false) {
   TERN_(HOTEND_IDLE_TIMEOUT, hotend_idle.check());
 
   #if ENABLED(EXTRUDER_RUNOUT_PREVENT)
-    if (thermalManager.degHotend(active_extruder) > EXTRUDER_RUNOUT_MINTEMP
+    if (thermalManager.degHotend(active_extruder) > (EXTRUDER_RUNOUT_MINTEMP)
       && ELAPSED(ms, gcode.previous_move_ms + SEC_TO_MS(EXTRUDER_RUNOUT_SECONDS))
       && !planner.has_blocks_queued()
     ) {
@@ -743,7 +757,7 @@ void idle(TERN_(ADVANCED_PAUSE_FEATURE, bool no_stepper_sleep/*=false*/)) {
 
   // Handle Power-Loss Recovery
   #if ENABLED(POWER_LOSS_RECOVERY) && PIN_EXISTS(POWER_LOSS)
-    if (printJobOngoing()) recovery.outage();
+    if (IS_SD_PRINTING()) recovery.outage();
   #endif
 
   // Run StallGuard endstop checks
@@ -791,6 +805,7 @@ void idle(TERN_(ADVANCED_PAUSE_FEATURE, bool no_stepper_sleep/*=false*/)) {
     if (!gcode.autoreport_paused) {
       TERN_(AUTO_REPORT_TEMPERATURES, thermalManager.auto_reporter.tick());
       TERN_(AUTO_REPORT_SD_STATUS, card.auto_reporter.tick());
+      TERN_(AUTO_REPORT_POSITION, position_auto_reporter.tick());
     }
   #endif
 
@@ -820,18 +835,19 @@ void kill(PGM_P const lcd_error/*=nullptr*/, PGM_P const lcd_component/*=nullptr
 
   TERN_(HAS_CUTTER, cutter.kill()); // Full cutter shutdown including ISR control
 
-  SERIAL_ERROR_MSG(STR_ERR_KILLED);
+  // Echo the LCD message to serial for extra context
+  if (lcd_error) { SERIAL_ECHO_START(); SERIAL_ECHOLNPGM_P(lcd_error); }
 
   #if HAS_DISPLAY
     ui.kill_screen(lcd_error ?: GET_TEXT(MSG_KILLED), lcd_component ?: NUL_STR);
   #else
-    UNUSED(lcd_error);
-    UNUSED(lcd_component);
+    UNUSED(lcd_error); UNUSED(lcd_component);
   #endif
 
-  #if HAS_TFT_LVGL_UI
-    lv_draw_error_message(lcd_error);
-  #endif
+  TERN_(HAS_TFT_LVGL_UI, lv_draw_error_message(lcd_error));
+
+  // "Error:Printer halted. kill() called!"
+  SERIAL_ERROR_MSG(STR_ERR_KILLED);
 
   #ifdef ACTION_ON_KILL
     host_action_kill();
@@ -862,20 +878,22 @@ void minkill(const bool steppers_off/*=false*/) {
 
   TERN_(HAS_SUICIDE, suicide());
 
-  #if HAS_KILL
+  #if EITHER(HAS_KILL, SOFT_RESET_ON_KILL)
 
-    // Wait for kill to be released
-    while (kill_state()) watchdog_refresh();
+    // Wait for both KILL and ENC to be released
+    while (TERN0(HAS_KILL, !kill_state()) || TERN0(SOFT_RESET_ON_KILL, !ui.button_pressed()))
+      watchdog_refresh();
 
-    // Wait for kill to be pressed
-    while (!kill_state()) watchdog_refresh();
+    // Wait for either KILL or ENC press
+    while (TERN1(HAS_KILL, kill_state()) && TERN1(SOFT_RESET_ON_KILL, ui.button_pressed()))
+      watchdog_refresh();
 
-    void (*resetFunc)() = 0;      // Declare resetFunc() at address 0
-    resetFunc();                  // Jump to address 0
+    // Reboot the board
+    HAL_reboot();
 
   #else
 
-    for (;;) watchdog_refresh();  // Wait for reset
+    for (;;) watchdog_refresh();  // Wait for RESET button or power-cycle
 
   #endif
 }
@@ -893,7 +911,7 @@ void stop() {
     thermalManager.set_fans_paused(false); // Un-pause fans for safety
   #endif
 
-  if (IsRunning()) {
+  if (!IsStopped()) {
     SERIAL_ERROR_MSG(STR_ERR_STOPPED);
     LCD_MESSAGEPGM(MSG_STOPPED);
     safe_delay(350);       // allow enough time for messages to get out before stopping
@@ -926,6 +944,15 @@ inline void tmc_standby_setup() {
   #if PIN_EXISTS(Z4_STDBY)
     SET_INPUT_PULLDOWN(Z4_STDBY_PIN);
   #endif
+  #if PIN_EXISTS(I_STDBY)
+    SET_INPUT_PULLDOWN(I_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(J_STDBY)
+    SET_INPUT_PULLDOWN(J_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(K_STDBY)
+    SET_INPUT_PULLDOWN(K_STDBY_PIN);
+  #endif
   #if PIN_EXISTS(E0_STDBY)
     SET_INPUT_PULLDOWN(E0_STDBY_PIN);
   #endif
@@ -1064,9 +1091,20 @@ void setup() {
   while (!MYSERIAL1.connected() && PENDING(millis(), serial_connect_timeout)) { /*nada*/ }
 
   #if HAS_MULTI_SERIAL && !HAS_ETHERNET
-    MYSERIAL2.begin(BAUDRATE);
+    #ifndef BAUDRATE_2
+      #define BAUDRATE_2 BAUDRATE
+    #endif
+    MYSERIAL2.begin(BAUDRATE_2);
     serial_connect_timeout = millis() + 1000UL;
     while (!MYSERIAL2.connected() && PENDING(millis(), serial_connect_timeout)) { /*nada*/ }
+    #ifdef SERIAL_PORT_3
+      #ifndef BAUDRATE_3
+        #define BAUDRATE_3 BAUDRATE
+      #endif
+      MYSERIAL3.begin(BAUDRATE_3);
+      serial_connect_timeout = millis() + 1000UL;
+      while (!MYSERIAL3.connected() && PENDING(millis(), serial_connect_timeout)) { /*nada*/ }
+    #endif
   #endif
   SERIAL_ECHOLNPGM("start");
 
@@ -1080,6 +1118,10 @@ void setup() {
     #endif
   #endif
 
+  #if HAS_FREEZE_PIN
+    SET_INPUT_PULLUP(FREEZE_PIN);
+  #endif
+
   #if HAS_SUICIDE
     SETUP_LOG("SUICIDE_PIN");
     OUT_WRITE(SUICIDE_PIN, !SUICIDE_PIN_INVERTING);
@@ -1213,12 +1255,22 @@ void setup() {
     DWIN_UpdateLCD();     // Show bootscreen (first image)
   #else
     SETUP_RUN(ui.init());
-    #if HAS_WIRED_LCD && ENABLED(SHOW_BOOTSCREEN)
+    #if BOTH(HAS_WIRED_LCD, SHOW_BOOTSCREEN)
       SETUP_RUN(ui.show_bootscreen());
+      const millis_t bootscreen_ms = millis();
     #endif
     SETUP_RUN(ui.reset_status());     // Load welcome message early. (Retained if no errors exist.)
   #endif
 
+  #if PIN_EXISTS(SAFE_POWER)
+    #if HAS_DRIVER_SAFE_POWER_PROTECT
+      SETUP_RUN(stepper_driver_backward_check());
+    #else
+      SETUP_LOG("SAFE_POWER");
+      OUT_WRITE(SAFE_POWER_PIN, HIGH);
+    #endif
+  #endif
+
   #if ENABLED(PROBE_TARE)
     SETUP_RUN(probe.tare_init());
   #endif
@@ -1389,10 +1441,7 @@ void setup() {
   #endif
 
   #if HAS_PRUSA_MMU1
-    SETUP_LOG("Prusa MMU1");
-    SET_OUTPUT(E_MUX0_PIN);
-    SET_OUTPUT(E_MUX1_PIN);
-    SET_OUTPUT(E_MUX2_PIN);
+    SETUP_RUN(mmu_init());
   #endif
 
   #if HAS_FANMUX
@@ -1460,7 +1509,11 @@ void setup() {
   #endif
 
   #if HAS_TRINAMIC_CONFIG && DISABLED(PSU_DEFAULT_OFF)
-    SETUP_RUN(test_tmc_connection(true, true, true, true));
+    SETUP_RUN(test_tmc_connection());
+  #endif
+
+  #if HAS_DRIVER_SAFE_POWER_PROTECT
+    SETUP_RUN(stepper_driver_backward_report());
   #endif
 
   #if HAS_PRUSA_MMU2
@@ -1500,6 +1553,14 @@ void setup() {
     SETUP_RUN(tft_lvgl_init());
   #endif
 
+  #if BOTH(HAS_WIRED_LCD, SHOW_BOOTSCREEN)
+    const millis_t elapsed = millis() - bootscreen_ms;
+    #if ENABLED(MARLIN_DEV_MODE)
+      SERIAL_ECHOLNPAIR("elapsed=", elapsed);
+    #endif
+    SETUP_RUN(ui.bootscreen_completion(elapsed));
+  #endif
+
   #if ENABLED(PASSWORD_ON_STARTUP)
     SETUP_RUN(password.lock_machine());      // Will not proceed until correct password provided
   #endif

Marlin/src/MarlinCore.h

@@ -56,20 +56,21 @@ void minkill(const bool steppers_off=false);
 
 // Global State of the firmware
 enum MarlinState : uint8_t {
-  MF_INITIALIZING =  0,
-  MF_RUNNING      = _BV(0),
-  MF_PAUSED       = _BV(1),
-  MF_WAITING      = _BV(2),
-  MF_STOPPED      = _BV(3),
-  MF_SD_COMPLETE  = _BV(4),
-  MF_KILLED       = _BV(7)
+  MF_INITIALIZING = 0,
+  MF_STOPPED,
+  MF_KILLED,
+  MF_RUNNING,
+  MF_SD_COMPLETE,
+  MF_PAUSED,
+  MF_WAITING,
 };
 
 extern MarlinState marlin_state;
-inline bool IsRunning() { return marlin_state == MF_RUNNING; }
-inline bool IsStopped() { return marlin_state != MF_RUNNING; }
+inline bool IsRunning() { return marlin_state >= MF_RUNNING; }
+inline bool IsStopped() { return marlin_state == MF_STOPPED; }
 
 bool printingIsActive();
+bool printJobOngoing();
 bool printingIsPaused();
 void startOrResumeJob();
 

Marlin/src/core/boards.h

@@ -159,6 +159,7 @@
 #define BOARD_PICA_REVB               1324  // PICA Shield (original version)
 #define BOARD_PICA                    1325  // PICA Shield (rev C or later)
 #define BOARD_INTAMSYS40              1326  // Intamsys 4.0 (Funmat HT)
+#define BOARD_MALYAN_M180             1327  // Malyan M180 Mainboard Version 2 (no display function, direct gcode only)
 
 //
 // ATmega1281, ATmega2561
@@ -363,24 +364,30 @@
 #define BOARD_BLACK_STM32F407VE       4204  // BLACK_STM32F407VE
 #define BOARD_BLACK_STM32F407ZE       4205  // BLACK_STM32F407ZE
 #define BOARD_STEVAL_3DP001V1         4206  // STEVAL-3DP001V1 3D PRINTER BOARD
-#define BOARD_BTT_SKR_PRO_V1_1        4207  // BigTreeTech SKR Pro v1.1 (STM32F407ZG)
-#define BOARD_BTT_SKR_PRO_V1_2        4208  // BigTreeTech SKR Pro v1.2 (STM32F407ZG)
-#define BOARD_BTT_BTT002_V1_0         4209  // BigTreeTech BTT002 v1.0 (STM32F407VG)
-#define BOARD_BTT_GTR_V1_0            4210  // BigTreeTech GTR v1.0 (STM32F407IGT)
-#define BOARD_LERDGE_K                4211  // Lerdge K (STM32F407ZG)
-#define BOARD_LERDGE_S                4212  // Lerdge S (STM32F407VE)
-#define BOARD_LERDGE_X                4213  // Lerdge X (STM32F407VE)
-#define BOARD_VAKE403D                4214  // VAkE 403D (STM32F446VET6)
-#define BOARD_FYSETC_S6               4215  // FYSETC S6 (STM32F446VET6)
-#define BOARD_FYSETC_S6_V2_0          4216  // FYSETC S6 v2.0 (STM32F446VET6)
-#define BOARD_FYSETC_SPIDER           4217  // FYSETC Spider (STM32F446VET6)
-#define BOARD_FLYF407ZG               4218  // FLYF407ZG (STM32F407ZG)
-#define BOARD_MKS_ROBIN2              4219  // MKS_ROBIN2 (STM32F407ZE)
-#define BOARD_MKS_ROBIN_PRO_V2        4220  // MKS Robin Pro V2 (STM32F407VE)
-#define BOARD_MKS_ROBIN_NANO_V3       4221  // MKS Robin Nano V3 (STM32F407VG)
-#define BOARD_ANET_ET4                4222  // ANET ET4 V1.x (STM32F407VGT6)
-#define BOARD_ANET_ET4P               4223  // ANET ET4P V1.x (STM32F407VGT6)
-#define BOARD_FYSETC_CHEETAH_V20      4224  // FYSETC Cheetah V2.0
+#define BOARD_BTT_SKR_PRO_V1_1        4207  // BigTreeTech SKR Pro v1.1 (STM32F407ZGT6)
+#define BOARD_BTT_SKR_PRO_V1_2        4208  // BigTreeTech SKR Pro v1.2 (STM32F407ZGT6)
+#define BOARD_BTT_BTT002_V1_0         4209  // BigTreeTech BTT002 v1.0 (STM32F407VGT6)
+#define BOARD_BTT_E3_RRF              4210  // BigTreeTech E3 RRF (STM32F407VGT6)
+#define BOARD_BTT_SKR_V2_0_REV_A      4211  // BigTreeTech SKR v2.0 Rev A (STM32F407VGT6)
+#define BOARD_BTT_SKR_V2_0_REV_B      4212  // BigTreeTech SKR v2.0 Rev B (STM32F407VGT6)
+#define BOARD_BTT_GTR_V1_0            4213  // BigTreeTech GTR v1.0 (STM32F407IGT)
+#define BOARD_BTT_OCTOPUS_V1_0        4214  // BigTreeTech Octopus v1.0 (STM32F446ZET6)
+#define BOARD_BTT_OCTOPUS_V1_1        4215  // BigTreeTech Octopus v1.1 (STM32F446ZET6)
+#define BOARD_LERDGE_K                4216  // Lerdge K (STM32F407ZG)
+#define BOARD_LERDGE_S                4217  // Lerdge S (STM32F407VE)
+#define BOARD_LERDGE_X                4218  // Lerdge X (STM32F407VE)
+#define BOARD_VAKE403D                4219  // VAkE 403D (STM32F446VET6)
+#define BOARD_FYSETC_S6               4220  // FYSETC S6 (STM32F446VET6)
+#define BOARD_FYSETC_S6_V2_0          4221  // FYSETC S6 v2.0 (STM32F446VET6)
+#define BOARD_FYSETC_SPIDER           4222  // FYSETC Spider (STM32F446VET6)
+#define BOARD_FLYF407ZG               4223  // FLYF407ZG (STM32F407ZG)
+#define BOARD_MKS_ROBIN2              4224  // MKS_ROBIN2 (STM32F407ZE)
+#define BOARD_MKS_ROBIN_PRO_V2        4225  // MKS Robin Pro V2 (STM32F407VE)
+#define BOARD_MKS_ROBIN_NANO_V3       4226  // MKS Robin Nano V3 (STM32F407VG)
+#define BOARD_ANET_ET4                4227  // ANET ET4 V1.x (STM32F407VGT6)
+#define BOARD_ANET_ET4P               4228  // ANET ET4P V1.x (STM32F407VGT6)
+#define BOARD_FYSETC_CHEETAH_V20      4229  // FYSETC Cheetah V2.0
+
 
 //
 // ARM Cortex M7

Marlin/src/core/debug_section.h

@@ -44,6 +44,6 @@ private:
       SERIAL_ECHOPGM_P(the_msg);
     }
     SERIAL_CHAR(' ');
-    print_xyz(current_position);
+    print_pos(current_position);
   }
 };

Marlin/src/core/drivers.h

@@ -60,6 +60,9 @@
 #define AXIS_DRIVER_TYPE_X(T) _AXIS_DRIVER_TYPE(X,T)
 #define AXIS_DRIVER_TYPE_Y(T) _AXIS_DRIVER_TYPE(Y,T)
 #define AXIS_DRIVER_TYPE_Z(T) _AXIS_DRIVER_TYPE(Z,T)
+#define AXIS_DRIVER_TYPE_I(T) _AXIS_DRIVER_TYPE(I,T)
+#define AXIS_DRIVER_TYPE_J(T) _AXIS_DRIVER_TYPE(J,T)
+#define AXIS_DRIVER_TYPE_K(T) _AXIS_DRIVER_TYPE(K,T)
 
 #define AXIS_DRIVER_TYPE_X2(T) (EITHER(X_DUAL_STEPPER_DRIVERS, DUAL_X_CARRIAGE) && _AXIS_DRIVER_TYPE(X2,T))
 #define AXIS_DRIVER_TYPE_Y2(T) (ENABLED(Y_DUAL_STEPPER_DRIVERS) && _AXIS_DRIVER_TYPE(Y2,T))
@@ -83,6 +86,7 @@
 #define HAS_E_DRIVER(T) (0 RREPEAT2(E_STEPPERS, _OR_ADTE, T))
 
 #define HAS_DRIVER(T) (  AXIS_DRIVER_TYPE_X(T)  || AXIS_DRIVER_TYPE_Y(T)  || AXIS_DRIVER_TYPE_Z(T)  \
+                      || AXIS_DRIVER_TYPE_I(T)  || AXIS_DRIVER_TYPE_J(T)  || AXIS_DRIVER_TYPE_K(T)  \
                       || AXIS_DRIVER_TYPE_X2(T) || AXIS_DRIVER_TYPE_Y2(T) || AXIS_DRIVER_TYPE_Z2(T) \
                       || AXIS_DRIVER_TYPE_Z3(T) || AXIS_DRIVER_TYPE_Z4(T) || HAS_E_DRIVER(T) )
 
@@ -153,9 +157,11 @@
 #define _OR_EAH(N,T)    || AXIS_HAS_##T(E##N)
 #define E_AXIS_HAS(T)   (0 _OR_EAH(0,T) _OR_EAH(1,T) _OR_EAH(2,T) _OR_EAH(3,T) _OR_EAH(4,T) _OR_EAH(5,T) _OR_EAH(6,T) _OR_EAH(7,T))
 
-#define ANY_AXIS_HAS(T) (    AXIS_HAS_##T(X)  || AXIS_HAS_##T(Y)  || AXIS_HAS_##T(Z)  \
-                          || AXIS_HAS_##T(X2) || AXIS_HAS_##T(Y2) || AXIS_HAS_##T(Z2) \
-                          || AXIS_HAS_##T(Z3) || AXIS_HAS_##T(Z4) || E_AXIS_HAS(T) )
+#define ANY_AXIS_HAS(T) (    AXIS_HAS_##T(X) || AXIS_HAS_##T(X2) \
+                          || AXIS_HAS_##T(Y) || AXIS_HAS_##T(Y2) \
+                          || AXIS_HAS_##T(Z) || AXIS_HAS_##T(Z2) || AXIS_HAS_##T(Z3) || AXIS_HAS_##T(Z4) \
+                          || AXIS_HAS_##T(I) || AXIS_HAS_##T(J)  || AXIS_HAS_##T(K) \
+                          || E_AXIS_HAS(T) )
 
 #if ANY_AXIS_HAS(STEALTHCHOP)
   #define HAS_STEALTHCHOP 1

Marlin/src/core/language.h

@@ -140,25 +140,7 @@
 #define STR_RESEND                          "Resend: "
 #define STR_UNKNOWN_COMMAND                 "Unknown command: \""
 #define STR_ACTIVE_EXTRUDER                 "Active Extruder: "
-#define STR_X_MIN                           "x_min"
-#define STR_X_MAX                           "x_max"
-#define STR_X2_MIN                          "x2_min"
-#define STR_X2_MAX                          "x2_max"
-#define STR_Y_MIN                           "y_min"
-#define STR_Y_MAX                           "y_max"
-#define STR_Y2_MIN                          "y2_min"
-#define STR_Y2_MAX                          "y2_max"
-#define STR_Z_MIN                           "z_min"
-#define STR_Z_MAX                           "z_max"
-#define STR_Z2_MIN                          "z2_min"
-#define STR_Z2_MAX                          "z2_max"
-#define STR_Z3_MIN                          "z3_min"
-#define STR_Z3_MAX                          "z3_max"
-#define STR_Z4_MIN                          "z4_min"
-#define STR_Z4_MAX                          "z4_max"
-#define STR_Z_PROBE                         "z_probe"
-#define STR_PROBE_EN                        "probe_en"
-#define STR_FILAMENT_RUNOUT_SENSOR          "filament"
+
 #define STR_PROBE_OFFSET                    "Probe Offset"
 #define STR_SKEW_MIN                        "min_skew_factor: "
 #define STR_SKEW_MAX                        "max_skew_factor: "
@@ -277,17 +259,43 @@
 #define STR_REMINDER_SAVE_SETTINGS          "Remember to save!"
 #define STR_PASSWORD_SET                    "Password is "
 
-// LCD Menu Messages
+//
+// Endstop Names used by Endstops::report_states
+//
+#define STR_X_MIN                           "x_min"
+#define STR_X_MAX                           "x_max"
+#define STR_X2_MIN                          "x2_min"
+#define STR_X2_MAX                          "x2_max"
 
-#define LANGUAGE_DATA_INCL_(M) STRINGIFY_(fontdata/langdata_##M.h)
-#define LANGUAGE_DATA_INCL(M) LANGUAGE_DATA_INCL_(M)
+#if HAS_Y_AXIS
+  #define STR_Y_MIN                         "y_min"
+  #define STR_Y_MAX                         "y_max"
+  #define STR_Y2_MIN                        "y2_min"
+  #define STR_Y2_MAX                        "y2_max"
+#endif
 
-#define LANGUAGE_INCL_(M) STRINGIFY_(../lcd/language/language_##M.h)
-#define LANGUAGE_INCL(M) LANGUAGE_INCL_(M)
+#if HAS_Z_AXIS
+  #define STR_Z_MIN                         "z_min"
+  #define STR_Z_MAX                         "z_max"
+  #define STR_Z2_MIN                        "z2_min"
+  #define STR_Z2_MAX                        "z2_max"
+  #define STR_Z3_MIN                        "z3_min"
+  #define STR_Z3_MAX                        "z3_max"
+  #define STR_Z4_MIN                        "z4_min"
+  #define STR_Z4_MAX                        "z4_max"
+#endif
 
+#define STR_Z_PROBE                         "z_probe"
+#define STR_PROBE_EN                        "probe_en"
+#define STR_FILAMENT_RUNOUT_SENSOR          "filament"
+
+// General axis names
 #define STR_X "X"
 #define STR_Y "Y"
 #define STR_Z "Z"
+#define STR_I AXIS4_STR
+#define STR_J AXIS5_STR
+#define STR_K AXIS6_STR
 #define STR_E "E"
 #if IS_KINEMATIC
   #define STR_A "A"
@@ -307,8 +315,114 @@
 #define LCD_STR_A STR_A
 #define LCD_STR_B STR_B
 #define LCD_STR_C STR_C
+#define LCD_STR_I STR_I
+#define LCD_STR_J STR_J
+#define LCD_STR_K STR_K
 #define LCD_STR_E STR_E
 
+// Extra Axis and Endstop Names
+#if LINEAR_AXES >= 4
+  #if AXIS4_NAME == 'A'
+    #define AXIS4_STR "A"
+    #define STR_I_MIN "a_min"
+    #define STR_I_MAX "a_max"
+  #elif AXIS4_NAME == 'B'
+    #define AXIS4_STR "B"
+    #define STR_I_MIN "b_min"
+    #define STR_I_MAX "b_max"
+  #elif AXIS4_NAME == 'C'
+    #define AXIS4_STR "C"
+    #define STR_I_MIN "c_min"
+    #define STR_I_MAX "c_max"
+  #elif AXIS4_NAME == 'U'
+    #define AXIS4_STR "U"
+    #define STR_I_MIN "u_min"
+    #define STR_I_MAX "u_max"
+  #elif AXIS4_NAME == 'V'
+    #define AXIS4_STR "V"
+    #define STR_I_MIN "v_min"
+    #define STR_I_MAX "v_max"
+  #elif AXIS4_NAME == 'W'
+    #define AXIS4_STR "W"
+    #define STR_I_MIN "w_min"
+    #define STR_I_MAX "w_max"
+  #else
+    #define AXIS4_STR "A"
+    #define STR_I_MIN "a_min"
+    #define STR_I_MAX "a_max"
+  #endif
+#else
+  #define AXIS4_STR   ""
+#endif
+
+#if LINEAR_AXES >= 5
+  #if AXIS5_NAME == 'A'
+    #define AXIS5_STR "A"
+    #define STR_J_MIN "a_min"
+    #define STR_J_MAX "a_max"
+  #elif AXIS5_NAME == 'B'
+    #define AXIS5_STR "B"
+    #define STR_J_MIN "b_min"
+    #define STR_J_MAX "b_max"
+  #elif AXIS5_NAME == 'C'
+    #define AXIS5_STR "C"
+    #define STR_J_MIN "c_min"
+    #define STR_J_MAX "c_max"
+  #elif AXIS5_NAME == 'U'
+    #define AXIS5_STR "U"
+    #define STR_J_MIN "u_min"
+    #define STR_J_MAX "u_max"
+  #elif AXIS5_NAME == 'V'
+    #define AXIS5_STR "V"
+    #define STR_J_MIN "v_min"
+    #define STR_J_MAX "v_max"
+  #elif AXIS5_NAME == 'W'
+    #define AXIS5_STR "W"
+    #define STR_J_MIN "w_min"
+    #define STR_J_MAX "w_max"
+  #else
+    #define AXIS5_STR "B"
+    #define STR_J_MIN "b_min"
+    #define STR_J_MAX "b_max"
+  #endif
+#else
+  #define AXIS5_STR   ""
+#endif
+
+#if LINEAR_AXES >= 6
+  #if AXIS6_NAME == 'A'
+    #define AXIS6_STR "A"
+    #define STR_K_MIN "a_min"
+    #define STR_K_MAX "a_max"
+  #elif AXIS6_NAME == 'B'
+    #define AXIS6_STR "B"
+    #define STR_K_MIN "b_min"
+    #define STR_K_MAX "b_max"
+  #elif AXIS6_NAME == 'C'
+    #define AXIS6_STR "C"
+    #define STR_K_MIN "c_min"
+    #define STR_K_MAX "c_max"
+  #elif AXIS6_NAME == 'U'
+    #define AXIS6_STR "U"
+    #define STR_K_MIN "u_min"
+    #define STR_K_MAX "u_max"
+  #elif AXIS6_NAME == 'V'
+    #define AXIS6_STR "V"
+    #define STR_K_MIN "v_min"
+    #define STR_K_MAX "v_max"
+  #elif AXIS6_NAME == 'W'
+    #define AXIS6_STR "W"
+    #define STR_K_MIN "w_min"
+    #define STR_K_MAX "w_max"
+  #else
+    #define AXIS6_STR "C"
+    #define STR_K_MIN "c_min"
+    #define STR_K_MAX "c_max"
+  #endif
+#else
+  #define AXIS6_STR   ""
+#endif
+
 #if EITHER(HAS_MARLINUI_HD44780, IS_TFTGLCD_PANEL)
 
   // Custom characters defined in the first 8 characters of the LCD
@@ -386,6 +500,14 @@
 #define LCD_STR_E6 "E" LCD_STR_N6
 #define LCD_STR_E7 "E" LCD_STR_N7
 
+// Include localized LCD Menu Messages
+
+#define LANGUAGE_DATA_INCL_(M) STRINGIFY_(fontdata/langdata_##M.h)
+#define LANGUAGE_DATA_INCL(M) LANGUAGE_DATA_INCL_(M)
+
+#define LANGUAGE_INCL_(M) STRINGIFY_(../lcd/language/language_##M.h)
+#define LANGUAGE_INCL(M) LANGUAGE_INCL_(M)
+
 // Use superscripts, if possible. Evaluated at point of use.
 #define SUPERSCRIPT_TWO   TERN(NOT_EXTENDED_ISO10646_1_5X7, "^2", "²")
 #define SUPERSCRIPT_THREE TERN(NOT_EXTENDED_ISO10646_1_5X7, "^3", "³")

Marlin/src/core/macros.h

@@ -36,12 +36,21 @@
 #define _XMIN_   100
 #define _YMIN_   200
 #define _ZMIN_   300
+#define _IMIN_   400
+#define _JMIN_   500
+#define _KMIN_   600
 #define _XMAX_   101
 #define _YMAX_   201
 #define _ZMAX_   301
+#define _IMAX_   401
+#define _JMAX_   501
+#define _KMAX_   601
 #define _XDIAG_  102
 #define _YDIAG_  202
 #define _ZDIAG_  302
+#define _IDIAG_  502
+#define _JDIAG_  602
+#define _KDIAG_  702
 #define _E0DIAG_ 400
 #define _E1DIAG_ 401
 #define _E2DIAG_ 402
@@ -195,6 +204,11 @@
 #define __TERN(T,V...)      ___TERN(_CAT(_NO,T),V)  // Prepend '_NO' to get '_NOT_0' or '_NOT_1'
 #define ___TERN(P,V...)     THIRD(P,V)              // If first argument has a comma, A. Else B.
 
+#define _OPTARG(A)          , A
+#define OPTARG(O,A)         TERN_(O,DEFER4(_OPTARG)(A))
+#define _OPTCODE(A)         A;
+#define OPTCODE(O,A)        TERN_(O,DEFER4(_OPTCODE)(A))
+
 // Macros to avoid 'f + 0.0' which is not always optimized away. Minus included for symmetry.
 // Compiler flags -fno-signed-zeros -ffinite-math-only also cover 'f * 1.0', 'f - f', etc.
 #define PLUS_TERN0(O,A)     _TERN(_ENA_1(O),,+ (A)) // OPTION ? '+ (A)' : '<nul>'
@@ -237,6 +251,38 @@
     memcpy(&a[0],&b[0],_MIN(sizeof(a),sizeof(b))); \
   }while(0)
 
+#define CODE_9( A,B,C,D,E,F,G,H,I,...) A; B; C; D; E; F; G; H; I
+#define CODE_8( A,B,C,D,E,F,G,H,...) A; B; C; D; E; F; G; H
+#define CODE_7( A,B,C,D,E,F,G,...) A; B; C; D; E; F; G
+#define CODE_6( A,B,C,D,E,F,...) A; B; C; D; E; F
+#define CODE_5( A,B,C,D,E,...) A; B; C; D; E
+#define CODE_4( A,B,C,D,...) A; B; C; D
+#define CODE_3( A,B,C,...) A; B; C
+#define CODE_2( A,B,...) A; B
+#define CODE_1( A,...) A
+#define _CODE_N(N,V...) CODE_##N(V)
+#define CODE_N(N,V...) _CODE_N(N,V)
+
+#define GANG_16(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,...) A B C D E F G H I J K L M N O P
+#define GANG_15(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,...) A B C D E F G H I J K L M N O
+#define GANG_14(A,B,C,D,E,F,G,H,I,J,K,L,M,N,...) A B C D E F G H I J K L M N
+#define GANG_13(A,B,C,D,E,F,G,H,I,J,K,L,M...) A B C D E F G H I J K L M
+#define GANG_12(A,B,C,D,E,F,G,H,I,J,K,L...) A B C D E F G H I J K L
+#define GANG_11(A,B,C,D,E,F,G,H,I,J,K,...) A B C D E F G H I J K
+#define GANG_10(A,B,C,D,E,F,G,H,I,J,...) A B C D E F G H I J
+#define GANG_9( A,B,C,D,E,F,G,H,I,...) A B C D E F G H I
+#define GANG_8( A,B,C,D,E,F,G,H,...) A B C D E F G H
+#define GANG_7( A,B,C,D,E,F,G,...) A B C D E F G
+#define GANG_6( A,B,C,D,E,F,...) A B C D E F
+#define GANG_5( A,B,C,D,E,...) A B C D E
+#define GANG_4( A,B,C,D,...) A B C D
+#define GANG_3( A,B,C,...) A B C
+#define GANG_2( A,B,...) A B
+#define GANG_1( A,...) A
+#define _GANG_N(N,V...) GANG_##N(V)
+#define GANG_N(N,V...) _GANG_N(N,V)
+#define GANG_N_1(N,K) _GANG_N(N,K,K,K,K,K,K,K,K,K,K,K,K,K,K,K,K)
+
 // Macros for initializing arrays
 #define LIST_16(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P
 #define LIST_15(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O
@@ -254,10 +300,13 @@
 #define LIST_3( A,B,C,...) A,B,C
 #define LIST_2( A,B,...) A,B
 #define LIST_1( A,...) A
+#define LIST_0(...)
 
 #define _LIST_N(N,V...) LIST_##N(V)
 #define LIST_N(N,V...) _LIST_N(N,V)
+#define LIST_N_1(N,K) _LIST_N(N,K,K,K,K,K,K,K,K,K,K,K,K,K,K,K,K)
 #define ARRAY_N(N,V...) { _LIST_N(N,V) }
+#define ARRAY_N_1(N,K)  { LIST_N_1(N,K) }
 
 #define _JOIN_1(O)         (O)
 #define JOIN_N(N,C,V...)   (DO(JOIN,C,LIST_N(N,V)))
@@ -301,8 +350,12 @@
 #define HYPOT(x,y)  SQRT(HYPOT2(x,y))
 
 // Use NUM_ARGS(__VA_ARGS__) to get the number of variadic arguments
-#define _NUM_ARGS(_,Z,Y,X,W,V,U,T,S,R,Q,P,O,N,M,L,K,J,I,H,G,F,E,D,C,B,A,OUT,...) OUT
-#define NUM_ARGS(V...) _NUM_ARGS(0,V,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
+#define _NUM_ARGS(_,n,m,l,k,j,i,h,g,f,e,d,c,b,a,Z,Y,X,W,V,U,T,S,R,Q,P,O,N,M,L,K,J,I,H,G,F,E,D,C,B,A,OUT,...) OUT
+#define NUM_ARGS(V...) _NUM_ARGS(0,V,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
+
+// Use TWO_ARGS(__VA_ARGS__) to get whether there are 1, 2, or >2 arguments
+#define _TWO_ARGS(_,n,m,l,k,j,i,h,g,f,e,d,c,b,a,Z,Y,X,W,V,U,T,S,R,Q,P,O,N,M,L,K,J,I,H,G,F,E,D,C,B,A,OUT,...) OUT
+#define TWO_ARGS(V...) _TWO_ARGS(0,V,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,2,1,0)
 
 #ifdef __cplusplus
 
@@ -414,31 +467,19 @@
 
 #else
 
-  #define MIN_2(a,b)      ((a)<(b)?(a):(b))
-  #define MIN_3(a,V...)   MIN_2(a,MIN_2(V))
-  #define MIN_4(a,V...)   MIN_2(a,MIN_3(V))
-  #define MIN_5(a,V...)   MIN_2(a,MIN_4(V))
-  #define MIN_6(a,V...)   MIN_2(a,MIN_5(V))
-  #define MIN_7(a,V...)   MIN_2(a,MIN_6(V))
-  #define MIN_8(a,V...)   MIN_2(a,MIN_7(V))
-  #define MIN_9(a,V...)   MIN_2(a,MIN_8(V))
-  #define MIN_10(a,V...)  MIN_2(a,MIN_9(V))
   #define __MIN_N(N,V...) MIN_##N(V)
   #define _MIN_N(N,V...)  __MIN_N(N,V)
-  #define _MIN(V...)      _MIN_N(NUM_ARGS(V), V)
+  #define _MIN_N_REF()    _MIN_N
+  #define _MIN(V...)      EVAL(_MIN_N(TWO_ARGS(V),V))
+  #define MIN_2(a,b)      ((a)<(b)?(a):(b))
+  #define MIN_3(a,V...)   MIN_2(a,DEFER2(_MIN_N_REF)()(TWO_ARGS(V),V))
 
-  #define MAX_2(a,b)      ((a)>(b)?(a):(b))
-  #define MAX_3(a,V...)   MAX_2(a,MAX_2(V))
-  #define MAX_4(a,V...)   MAX_2(a,MAX_3(V))
-  #define MAX_5(a,V...)   MAX_2(a,MAX_4(V))
-  #define MAX_6(a,V...)   MAX_2(a,MAX_5(V))
-  #define MAX_7(a,V...)   MAX_2(a,MAX_6(V))
-  #define MAX_8(a,V...)   MAX_2(a,MAX_7(V))
-  #define MAX_9(a,V...)   MAX_2(a,MAX_8(V))
-  #define MAX_10(a,V...)  MAX_2(a,MAX_9(V))
   #define __MAX_N(N,V...) MAX_##N(V)
   #define _MAX_N(N,V...)  __MAX_N(N,V)
-  #define _MAX(V...)      _MAX_N(NUM_ARGS(V), V)
+  #define _MAX_N_REF()    _MAX_N
+  #define _MAX(V...)      EVAL(_MAX_N(TWO_ARGS(V),V))
+  #define MAX_2(a,b)      ((a)>(b)?(a):(b))
+  #define MAX_3(a,V...)   MAX_2(a,DEFER2(_MAX_N_REF)()(TWO_ARGS(V),V))
 
 #endif
 
@@ -473,6 +514,9 @@
 #define ADD8(N)  ADD4(ADD4(N))
 #define ADD9(N)  ADD4(ADD5(N))
 #define ADD10(N) ADD5(ADD5(N))
+#define SUM(A,B) _CAT(ADD,A)(B)
+#define DOUBLE_(n) ADD##n(n)
+#define DOUBLE(n) DOUBLE_(n)
 
 // Macros for subtracting
 #define DEC_0   0
@@ -581,6 +625,7 @@
 // Repeat a macro passing S...N-1.
 #define REPEAT_S(S,N,OP)        EVAL(_REPEAT(S,SUB##S(N),OP))
 #define REPEAT(N,OP)            REPEAT_S(0,N,OP)
+#define REPEAT_1(N,OP)          REPEAT_S(1,INCREMENT(N),OP)
 
 // Repeat a macro passing 0...N-1 plus additional arguments.
 #define REPEAT2_S(S,N,OP,V...)  EVAL(_REPEAT2(S,SUB##S(N),OP,V))

Marlin/src/core/serial.cpp

@@ -36,6 +36,10 @@ PGMSTR(X_LBL,     "X:"); PGMSTR(Y_LBL,     "Y:"); PGMSTR(Z_LBL,     "Z:"); PGMST
 PGMSTR(SP_A_STR, " A");  PGMSTR(SP_B_STR, " B");  PGMSTR(SP_C_STR, " C");
 PGMSTR(SP_X_STR, " X");  PGMSTR(SP_Y_STR, " Y");  PGMSTR(SP_Z_STR, " Z");  PGMSTR(SP_E_STR, " E");
 PGMSTR(SP_X_LBL, " X:"); PGMSTR(SP_Y_LBL, " Y:"); PGMSTR(SP_Z_LBL, " Z:"); PGMSTR(SP_E_LBL, " E:");
+PGMSTR(I_STR, AXIS4_STR);     PGMSTR(J_STR, AXIS5_STR);     PGMSTR(K_STR, AXIS6_STR);
+PGMSTR(I_LBL, AXIS4_STR ":"); PGMSTR(J_LBL, AXIS5_STR ":"); PGMSTR(K_LBL, AXIS6_STR ":");
+PGMSTR(SP_I_STR, " " AXIS4_STR);     PGMSTR(SP_J_STR, " " AXIS5_STR);     PGMSTR(SP_K_STR, " " AXIS6_STR);
+PGMSTR(SP_I_LBL, " " AXIS4_STR ":"); PGMSTR(SP_J_LBL, " " AXIS5_STR ":"); PGMSTR(SP_K_LBL, " " AXIS6_STR ":");
 
 // Hook Meatpack if it's enabled on the first leaf
 #if ENABLED(MEATPACK_ON_SERIAL_PORT_1)
@@ -44,6 +48,9 @@ PGMSTR(SP_X_LBL, " X:"); PGMSTR(SP_Y_LBL, " Y:"); PGMSTR(SP_Z_LBL, " Z:"); PGMST
 #if ENABLED(MEATPACK_ON_SERIAL_PORT_2)
   SerialLeafT2 mpSerial2(false, _SERIAL_LEAF_2);
 #endif
+#if ENABLED(MEATPACK_ON_SERIAL_PORT_3)
+  SerialLeafT3 mpSerial3(false, _SERIAL_LEAF_3);
+#endif
 
 // Step 2: For multiserial, handle the second serial port as well
 #if HAS_MULTI_SERIAL
@@ -52,7 +59,14 @@ PGMSTR(SP_X_LBL, " X:"); PGMSTR(SP_Y_LBL, " Y:"); PGMSTR(SP_Z_LBL, " Z:"); PGMST
     SerialLeafT2 msSerial2(ethernet.have_telnet_client, MYSERIAL2, false);
   #endif
 
-  SerialOutputT multiSerial(SERIAL_LEAF_1, SERIAL_LEAF_2);
+  #define __S_LEAF(N) ,SERIAL_LEAF_##N
+  #define _S_LEAF(N) __S_LEAF(N)
+
+  SerialOutputT multiSerial( SERIAL_LEAF_1 REPEAT_S(2, INCREMENT(NUM_SERIAL), _S_LEAF) );
+
+  #undef __S_LEAF
+  #undef _S_LEAF
+
 #endif
 
 void serialprintPGM(PGM_P str) {
@@ -91,8 +105,10 @@ void print_bin(uint16_t val) {
   }
 }
 
-void print_xyz(const_float_t x, const_float_t y, const_float_t z, PGM_P const prefix/*=nullptr*/, PGM_P const suffix/*=nullptr*/) {
+void print_pos(LINEAR_AXIS_ARGS(const_float_t), PGM_P const prefix/*=nullptr*/, PGM_P const suffix/*=nullptr*/) {
   if (prefix) serialprintPGM(prefix);
-  SERIAL_ECHOPAIR_P(SP_X_STR, x, SP_Y_STR, y, SP_Z_STR, z);
+  SERIAL_ECHOPAIR_P(
+    LIST_N(DOUBLE(LINEAR_AXES), SP_X_STR, x, SP_Y_STR, y, SP_Z_STR, z, SP_I_STR, i, SP_J_STR, j, SP_K_STR, k)
+  );
   if (suffix) serialprintPGM(suffix); else SERIAL_EOL();
 }

Marlin/src/core/serial.h

@@ -29,12 +29,16 @@
 #endif
 
 // Commonly-used strings in serial output
-extern const char NUL_STR[], SP_P_STR[], SP_T_STR[],
+extern const char NUL_STR[],
+                  SP_X_STR[], SP_Y_STR[], SP_Z_STR[],
+                  SP_A_STR[], SP_B_STR[], SP_C_STR[], SP_E_STR[],
+                  SP_X_LBL[], SP_Y_LBL[], SP_Z_LBL[], SP_E_LBL[],
+                  SP_I_STR[], SP_J_STR[], SP_K_STR[],
+                  SP_I_LBL[], SP_J_LBL[], SP_K_LBL[],
+                  SP_P_STR[], SP_T_STR[],
                   X_STR[], Y_STR[], Z_STR[], E_STR[],
                   X_LBL[], Y_LBL[], Z_LBL[], E_LBL[],
-                  SP_A_STR[], SP_B_STR[], SP_C_STR[],
-                  SP_X_STR[], SP_Y_STR[], SP_Z_STR[], SP_E_STR[],
-                  SP_X_LBL[], SP_Y_LBL[], SP_Z_LBL[], SP_E_LBL[];
+                  I_LBL[], J_LBL[], K_LBL[];
 
 //
 // Debugging flags for use by M111
@@ -62,11 +66,11 @@ extern uint8_t marlin_debug_flags;
 //
 // Serial redirection
 //
-// Step 1: Find what's the first serial leaf
+// Step 1: Find out what the first serial leaf is
 #if BOTH(HAS_MULTI_SERIAL, SERIAL_CATCHALL)
-  #define _SERIAL_LEAF_1  MYSERIAL
+  #define _SERIAL_LEAF_1 MYSERIAL
 #else
-  #define _SERIAL_LEAF_1  MYSERIAL1
+  #define _SERIAL_LEAF_1 MYSERIAL1
 #endif
 
 // Hook Meatpack if it's enabled on the first leaf
@@ -78,7 +82,8 @@ extern uint8_t marlin_debug_flags;
   #define SERIAL_LEAF_1 _SERIAL_LEAF_1
 #endif
 
-// Step 2: For multiserial, handle the second serial port as well
+// Step 2: For multiserial wrap all serial ports in a single
+//         interface with the ability to output to multiple serial ports.
 #if HAS_MULTI_SERIAL
   #define _PORT_REDIRECT(n,p) REMEMBER(n,multiSerial.portMask,p)
   #define _PORT_RESTORE(n,p)  RESTORE(n)
@@ -86,18 +91,17 @@ extern uint8_t marlin_debug_flags;
   // If we have a catchall, use that directly
   #ifdef SERIAL_CATCHALL
     #define _SERIAL_LEAF_2 SERIAL_CATCHALL
+  #elif HAS_ETHERNET
+    typedef ConditionalSerial<decltype(MYSERIAL2)> SerialLeafT2;  // We need to create an instance here
+    extern SerialLeafT2 msSerial2;
+    #define _SERIAL_LEAF_2 msSerial2
   #else
-    #if HAS_ETHERNET
-      // We need to create an instance here
-      typedef ConditionalSerial<decltype(MYSERIAL2)> SerialLeafT2;
-      extern SerialLeafT2 msSerial2;
-      #define _SERIAL_LEAF_2 msSerial2
-    #else
-      // Don't create a useless instance here, directly use the existing instance
-      #define _SERIAL_LEAF_2 MYSERIAL2
-    #endif
+    #define _SERIAL_LEAF_2 MYSERIAL2 // Don't create a useless instance here, directly use the existing instance
   #endif
 
+  // Nothing complicated here
+  #define _SERIAL_LEAF_3 MYSERIAL3
+
   // Hook Meatpack if it's enabled on the second leaf
   #if ENABLED(MEATPACK_ON_SERIAL_PORT_2)
     typedef MeatpackSerial<decltype(_SERIAL_LEAF_2)> SerialLeafT2;
@@ -107,7 +111,23 @@ extern uint8_t marlin_debug_flags;
     #define SERIAL_LEAF_2 _SERIAL_LEAF_2
   #endif
 
-  typedef MultiSerial<decltype(SERIAL_LEAF_1), decltype(SERIAL_LEAF_2), 0> SerialOutputT;
+  // Hook Meatpack if it's enabled on the third leaf
+  #if ENABLED(MEATPACK_ON_SERIAL_PORT_3)
+    typedef MeatpackSerial<decltype(_SERIAL_LEAF_3)> SerialLeafT3;
+    extern SerialLeafT3 mpSerial3;
+    #define SERIAL_LEAF_3 mpSerial3
+  #else
+    #define SERIAL_LEAF_3 _SERIAL_LEAF_3
+  #endif
+
+  #define __S_MULTI(N) decltype(SERIAL_LEAF_##N),
+  #define _S_MULTI(N) __S_MULTI(N)
+
+  typedef MultiSerial< REPEAT_1(NUM_SERIAL, _S_MULTI) 0> SerialOutputT;
+
+  #undef __S_MULTI
+  #undef _S_MULTI
+
   extern SerialOutputT        multiSerial;
   #define SERIAL_IMPL         multiSerial
 #else
@@ -166,139 +186,45 @@ inline void SERIAL_FLUSHTX()  { SERIAL_IMPL.flushTX(); }
 // Print a single PROGMEM string to serial
 void serialprintPGM(PGM_P str);
 
-// SERIAL_ECHOPAIR / SERIAL_ECHOPAIR_P is used to output a key value pair. The key must be a string and the value can be anything
-// Print up to 12 pairs of values. Odd elements auto-wrapped in PSTR().
-#define __SEP_N(N,V...)   _SEP_##N(V)
-#define _SEP_N(N,V...)    __SEP_N(N,V)
-#define _SEP_1(PRE)       SERIAL_ECHOPGM(PRE)
-#define _SEP_2(PRE,V)     serial_echopair_PGM(PSTR(PRE),V)
-#define _SEP_3(a,b,c)     do{ _SEP_2(a,b); SERIAL_ECHOPGM(c); }while(0)
-#define _SEP_4(a,b,V...)  do{ _SEP_2(a,b); _SEP_2(V); }while(0)
-#define _SEP_5(a,b,V...)  do{ _SEP_2(a,b); _SEP_3(V); }while(0)
-#define _SEP_6(a,b,V...)  do{ _SEP_2(a,b); _SEP_4(V); }while(0)
-#define _SEP_7(a,b,V...)  do{ _SEP_2(a,b); _SEP_5(V); }while(0)
-#define _SEP_8(a,b,V...)  do{ _SEP_2(a,b); _SEP_6(V); }while(0)
-#define _SEP_9(a,b,V...)  do{ _SEP_2(a,b); _SEP_7(V); }while(0)
-#define _SEP_10(a,b,V...) do{ _SEP_2(a,b); _SEP_8(V); }while(0)
-#define _SEP_11(a,b,V...) do{ _SEP_2(a,b); _SEP_9(V); }while(0)
-#define _SEP_12(a,b,V...) do{ _SEP_2(a,b); _SEP_10(V); }while(0)
-#define _SEP_13(a,b,V...) do{ _SEP_2(a,b); _SEP_11(V); }while(0)
-#define _SEP_14(a,b,V...) do{ _SEP_2(a,b); _SEP_12(V); }while(0)
-#define _SEP_15(a,b,V...) do{ _SEP_2(a,b); _SEP_13(V); }while(0)
-#define _SEP_16(a,b,V...) do{ _SEP_2(a,b); _SEP_14(V); }while(0)
-#define _SEP_17(a,b,V...) do{ _SEP_2(a,b); _SEP_15(V); }while(0)
-#define _SEP_18(a,b,V...) do{ _SEP_2(a,b); _SEP_16(V); }while(0)
-#define _SEP_19(a,b,V...) do{ _SEP_2(a,b); _SEP_17(V); }while(0)
-#define _SEP_20(a,b,V...) do{ _SEP_2(a,b); _SEP_18(V); }while(0)
-#define _SEP_21(a,b,V...) do{ _SEP_2(a,b); _SEP_19(V); }while(0)
-#define _SEP_22(a,b,V...) do{ _SEP_2(a,b); _SEP_20(V); }while(0)
-#define _SEP_23(a,b,V...) do{ _SEP_2(a,b); _SEP_21(V); }while(0)
-#define _SEP_24(a,b,V...) do{ _SEP_2(a,b); _SEP_22(V); }while(0)
+//
+// SERIAL_ECHOPAIR... macros are used to output string-value pairs.
+//
 
-#define SERIAL_ECHOPAIR(V...) _SEP_N(NUM_ARGS(V),V)
+// Print up to 20 pairs of values. Odd elements must be literal strings.
+#define __SEP_N(N,V...)           _SEP_##N(V)
+#define _SEP_N(N,V...)            __SEP_N(N,V)
+#define _SEP_N_REF()              _SEP_N
+#define _SEP_1(s)                 SERIAL_ECHOPGM(s);
+#define _SEP_2(s,v)               serial_echopair_PGM(PSTR(s),v);
+#define _SEP_3(s,v,V...)          _SEP_2(s,v); DEFER2(_SEP_N_REF)()(TWO_ARGS(V),V);
+#define SERIAL_ECHOPAIR(V...)     do{ EVAL(_SEP_N(TWO_ARGS(V),V)); }while(0)
 
-// Print up to 12 pairs of values. Odd elements must be PSTR pointers.
-#define __SEP_N_P(N,V...)   _SEP_##N##_P(V)
-#define _SEP_N_P(N,V...)    __SEP_N_P(N,V)
-#define _SEP_1_P(PRE)       serialprintPGM(PRE)
-#define _SEP_2_P(PRE,V)     serial_echopair_PGM(PRE,V)
-#define _SEP_3_P(a,b,c)     do{ _SEP_2_P(a,b); serialprintPGM(c); }while(0)
-#define _SEP_4_P(a,b,V...)  do{ _SEP_2_P(a,b); _SEP_2_P(V); }while(0)
-#define _SEP_5_P(a,b,V...)  do{ _SEP_2_P(a,b); _SEP_3_P(V); }while(0)
-#define _SEP_6_P(a,b,V...)  do{ _SEP_2_P(a,b); _SEP_4_P(V); }while(0)
-#define _SEP_7_P(a,b,V...)  do{ _SEP_2_P(a,b); _SEP_5_P(V); }while(0)
-#define _SEP_8_P(a,b,V...)  do{ _SEP_2_P(a,b); _SEP_6_P(V); }while(0)
-#define _SEP_9_P(a,b,V...)  do{ _SEP_2_P(a,b); _SEP_7_P(V); }while(0)
-#define _SEP_10_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_8_P(V); }while(0)
-#define _SEP_11_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_9_P(V); }while(0)
-#define _SEP_12_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_10_P(V); }while(0)
-#define _SEP_13_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_11_P(V); }while(0)
-#define _SEP_14_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_12_P(V); }while(0)
-#define _SEP_15_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_13_P(V); }while(0)
-#define _SEP_16_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_14_P(V); }while(0)
-#define _SEP_17_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_15_P(V); }while(0)
-#define _SEP_18_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_16_P(V); }while(0)
-#define _SEP_19_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_17_P(V); }while(0)
-#define _SEP_20_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_18_P(V); }while(0)
-#define _SEP_21_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_19_P(V); }while(0)
-#define _SEP_22_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_20_P(V); }while(0)
-#define _SEP_23_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_21_P(V); }while(0)
-#define _SEP_24_P(a,b,V...) do{ _SEP_2_P(a,b); _SEP_22_P(V); }while(0)
+// Print up to 20 pairs of values followed by newline. Odd elements must be literal strings.
+#define __SELP_N(N,V...)          _SELP_##N(V)
+#define _SELP_N(N,V...)           __SELP_N(N,V)
+#define _SELP_N_REF()             _SELP_N
+#define _SELP_1(s)                SERIAL_ECHOLNPGM(s);
+#define _SELP_2(s,v)              serial_echopair_PGM(PSTR(s),v); SERIAL_EOL();
+#define _SELP_3(s,v,V...)         _SEP_2(s,v); DEFER2(_SELP_N_REF)()(TWO_ARGS(V),V);
+#define SERIAL_ECHOLNPAIR(V...)   do{ EVAL(_SELP_N(TWO_ARGS(V),V)); }while(0)
 
-// SERIAL_ECHOPAIR_P is used to output a key value pair. Unlike SERIAL_ECHOPAIR, the key must be a PGM string already and the value can be anything
-#define SERIAL_ECHOPAIR_P(V...) _SEP_N_P(NUM_ARGS(V),V)
+// Print up to 20 pairs of values. Odd elements must be PSTR pointers.
+#define __SEP_N_P(N,V...)         _SEP_##N##_P(V)
+#define _SEP_N_P(N,V...)          __SEP_N_P(N,V)
+#define _SEP_N_P_REF()            _SEP_N_P
+#define _SEP_1_P(s)               serialprintPGM(s);
+#define _SEP_2_P(s,v)             serial_echopair_PGM(s,v);
+#define _SEP_3_P(s,v,V...)        _SEP_2_P(s,v); DEFER2(_SEP_N_P_REF)()(TWO_ARGS(V),V);
+#define SERIAL_ECHOPAIR_P(V...)   do{ EVAL(_SEP_N_P(TWO_ARGS(V),V)); }while(0)
 
-// Print up to 12 pairs of values followed by newline
-#define __SELP_N(N,V...)   _SELP_##N(V)
-#define _SELP_N(N,V...)    __SELP_N(N,V)
-#define _SELP_1(PRE)       SERIAL_ECHOLNPGM(PRE)
-#define _SELP_2(PRE,V)     do{ serial_echopair_PGM(PSTR(PRE),V); SERIAL_EOL(); }while(0)
-#define _SELP_3(a,b,c)     do{ _SEP_2(a,b); SERIAL_ECHOLNPGM(c); }while(0)
-#define _SELP_4(a,b,V...)  do{ _SEP_2(a,b); _SELP_2(V); }while(0)
-#define _SELP_5(a,b,V...)  do{ _SEP_2(a,b); _SELP_3(V); }while(0)
-#define _SELP_6(a,b,V...)  do{ _SEP_2(a,b); _SELP_4(V); }while(0)
-#define _SELP_7(a,b,V...)  do{ _SEP_2(a,b); _SELP_5(V); }while(0)
-#define _SELP_8(a,b,V...)  do{ _SEP_2(a,b); _SELP_6(V); }while(0)
-#define _SELP_9(a,b,V...)  do{ _SEP_2(a,b); _SELP_7(V); }while(0)
-#define _SELP_10(a,b,V...) do{ _SEP_2(a,b); _SELP_8(V); }while(0)
-#define _SELP_11(a,b,V...) do{ _SEP_2(a,b); _SELP_9(V); }while(0)
-#define _SELP_12(a,b,V...) do{ _SEP_2(a,b); _SELP_10(V); }while(0)
-#define _SELP_13(a,b,V...) do{ _SEP_2(a,b); _SELP_11(V); }while(0)
-#define _SELP_14(a,b,V...) do{ _SEP_2(a,b); _SELP_12(V); }while(0)
-#define _SELP_15(a,b,V...) do{ _SEP_2(a,b); _SELP_13(V); }while(0)
-#define _SELP_16(a,b,V...) do{ _SEP_2(a,b); _SELP_14(V); }while(0)
-#define _SELP_17(a,b,V...) do{ _SEP_2(a,b); _SELP_15(V); }while(0)
-#define _SELP_18(a,b,V...) do{ _SEP_2(a,b); _SELP_16(V); }while(0)
-#define _SELP_19(a,b,V...) do{ _SEP_2(a,b); _SELP_17(V); }while(0)
-#define _SELP_20(a,b,V...) do{ _SEP_2(a,b); _SELP_18(V); }while(0)
-#define _SELP_21(a,b,V...) do{ _SEP_2(a,b); _SELP_19(V); }while(0)
-#define _SELP_22(a,b,V...) do{ _SEP_2(a,b); _SELP_20(V); }while(0)
-#define _SELP_23(a,b,V...) do{ _SEP_2(a,b); _SELP_21(V); }while(0)
-#define _SELP_24(a,b,V...) do{ _SEP_2(a,b); _SELP_22(V); }while(0)
-#define _SELP_25(a,b,V...) do{ _SEP_2(a,b); _SELP_23(V); }while(0)
-#define _SELP_26(a,b,V...) do{ _SEP_2(a,b); _SELP_24(V); }while(0)
-#define _SELP_27(a,b,V...) do{ _SEP_2(a,b); _SELP_25(V); }while(0)
-#define _SELP_28(a,b,V...) do{ _SEP_2(a,b); _SELP_26(V); }while(0)
-#define _SELP_29(a,b,V...) do{ _SEP_2(a,b); _SELP_27(V); }while(0)
-#define _SELP_30(a,b,V...) do{ _SEP_2(a,b); _SELP_28(V); }while(0) // Eat two args, pass the rest up
-
-#define SERIAL_ECHOLNPAIR(V...) _SELP_N(NUM_ARGS(V),V)
-
-// Print up to 12 pairs of values followed by newline
-#define __SELP_N_P(N,V...)   _SELP_##N##_P(V)
-#define _SELP_N_P(N,V...)    __SELP_N_P(N,V)
-#define _SELP_1_P(PRE)       serialprintPGM(PRE)
-#define _SELP_2_P(PRE,V)     do{ serial_echopair_PGM(PRE,V); SERIAL_EOL(); }while(0)
-#define _SELP_3_P(a,b,c)     do{ _SEP_2_P(a,b); serialprintPGM(c); }while(0)
-#define _SELP_4_P(a,b,V...)  do{ _SEP_2_P(a,b); _SELP_2_P(V); }while(0)
-#define _SELP_5_P(a,b,V...)  do{ _SEP_2_P(a,b); _SELP_3_P(V); }while(0)
-#define _SELP_6_P(a,b,V...)  do{ _SEP_2_P(a,b); _SELP_4_P(V); }while(0)
-#define _SELP_7_P(a,b,V...)  do{ _SEP_2_P(a,b); _SELP_5_P(V); }while(0)
-#define _SELP_8_P(a,b,V...)  do{ _SEP_2_P(a,b); _SELP_6_P(V); }while(0)
-#define _SELP_9_P(a,b,V...)  do{ _SEP_2_P(a,b); _SELP_7_P(V); }while(0)
-#define _SELP_10_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_8_P(V); }while(0)
-#define _SELP_11_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_9_P(V); }while(0)
-#define _SELP_12_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_10_P(V); }while(0)
-#define _SELP_13_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_11_P(V); }while(0)
-#define _SELP_14_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_12_P(V); }while(0)
-#define _SELP_15_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_13_P(V); }while(0)
-#define _SELP_16_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_14_P(V); }while(0)
-#define _SELP_17_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_15_P(V); }while(0)
-#define _SELP_18_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_16_P(V); }while(0)
-#define _SELP_19_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_17_P(V); }while(0)
-#define _SELP_20_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_18_P(V); }while(0)
-#define _SELP_21_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_19_P(V); }while(0)
-#define _SELP_22_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_20_P(V); }while(0)
-#define _SELP_23_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_21_P(V); }while(0)
-#define _SELP_24_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_22_P(V); }while(0)
-#define _SELP_25_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_23_P(V); }while(0)
-#define _SELP_26_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_24_P(V); }while(0)
-#define _SELP_27_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_25_P(V); }while(0)
-#define _SELP_28_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_26_P(V); }while(0)
-#define _SELP_29_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_27_P(V); }while(0)
-#define _SELP_30_P(a,b,V...) do{ _SEP_2_P(a,b); _SELP_28_P(V); }while(0) // Eat two args, pass the rest up
-
-#define SERIAL_ECHOLNPAIR_P(V...) _SELP_N_P(NUM_ARGS(V),V)
+// Print up to 20 pairs of values followed by newline. Odd elements must be PSTR pointers.
+#define __SELP_N_P(N,V...)        _SELP_##N##_P(V)
+#define _SELP_N_P(N,V...)         __SELP_N_P(N,V)
+#define _SELP_N_P_REF()           _SELP_N_P
+#define _SELP_1_P(s)              { serialprintPGM(s); SERIAL_EOL(); }
+#define _SELP_2_P(s,v)            { serial_echopair_PGM(s,v); SERIAL_EOL(); }
+#define _SELP_3_P(s,v,V...)       { _SEP_2_P(s,v); DEFER2(_SELP_N_P_REF)()(TWO_ARGS(V),V); }
+#define SERIAL_ECHOLNPAIR_P(V...) do{ EVAL(_SELP_N_P(TWO_ARGS(V),V)); }while(0)
 
 #ifdef AllowDifferentTypeInList
 
@@ -388,11 +314,11 @@ void serialprint_truefalse(const bool tf);
 void serial_spaces(uint8_t count);
 
 void print_bin(const uint16_t val);
-void print_xyz(const_float_t x, const_float_t y, const_float_t z, PGM_P const prefix=nullptr, PGM_P const suffix=nullptr);
+void print_pos(LINEAR_AXIS_ARGS(const_float_t), PGM_P const prefix=nullptr, PGM_P const suffix=nullptr);
 
-inline void print_xyz(const xyz_pos_t &xyz, PGM_P const prefix=nullptr, PGM_P const suffix=nullptr) {
-  print_xyz(xyz.x, xyz.y, xyz.z, prefix, suffix);
+inline void print_pos(const xyz_pos_t &xyz, PGM_P const prefix=nullptr, PGM_P const suffix=nullptr) {
+  print_pos(LINEAR_AXIS_ELEM(xyz), prefix, suffix);
 }
 
-#define SERIAL_POS(SUFFIX,VAR) do { print_xyz(VAR, PSTR("  " STRINGIFY(VAR) "="), PSTR(" : " SUFFIX "\n")); }while(0)
-#define SERIAL_XYZ(PREFIX,V...) do { print_xyz(V, PSTR(PREFIX), nullptr); }while(0)
+#define SERIAL_POS(SUFFIX,VAR) do { print_pos(VAR, PSTR("  " STRINGIFY(VAR) "="), PSTR(" : " SUFFIX "\n")); }while(0)
+#define SERIAL_XYZ(PREFIX,V...) do { print_pos(V, PSTR(PREFIX), nullptr); }while(0)

Marlin/src/core/serial_hook.h

@@ -67,7 +67,7 @@ struct BaseSerial : public SerialBase< BaseSerial<SerialT> >, public SerialT {
 
   SerialFeature features(serial_index_t index) const { return CALL_IF_EXISTS(SerialFeature, static_cast<const SerialT*>(this), features, index);  }
 
-  // We have 2 implementation of the same method in both base class, let's say which one we want
+  // Two implementations of the same method exist in both base classes so indicate the right one
   using SerialT::available;
   using SerialT::read;
   using SerialT::begin;
@@ -134,7 +134,7 @@ struct ForwardSerial : public SerialBase< ForwardSerial<SerialT> > {
   ForwardSerial(const bool e, SerialT & out) : BaseClassT(e), out(out) {}
 };
 
-// A class that's can be hooked and unhooked at runtime, useful to capturing the output of the serial interface
+// A class that can be hooked and unhooked at runtime, useful to capture the output of the serial interface
 template <class SerialT>
 struct RuntimeSerial : public SerialBase< RuntimeSerial<SerialT> >, public SerialT {
   typedef SerialBase< RuntimeSerial<SerialT> > BaseClassT;
@@ -195,54 +195,71 @@ struct RuntimeSerial : public SerialBase< RuntimeSerial<SerialT> >, public Seria
   RuntimeSerial(const bool e, Args... args) : BaseClassT(e), SerialT(args...), writeHook(0), eofHook(0), userPointer(0) {}
 };
 
-// A class that duplicates its output conditionally to 2 serial interfaces
-template <class Serial0T, class Serial1T, const uint8_t offset = 0, const uint8_t step = 1>
-struct MultiSerial : public SerialBase< MultiSerial<Serial0T, Serial1T, offset, step> > {
-  typedef SerialBase< MultiSerial<Serial0T, Serial1T, offset, step> > BaseClassT;
+#define _S_CLASS(N) class Serial##N##T,
+#define _S_NAME(N) Serial##N##T,
+
+template < REPEAT(NUM_SERIAL, _S_CLASS) const uint8_t offset=0, const uint8_t step=1 >
+struct MultiSerial : public SerialBase< MultiSerial< REPEAT(NUM_SERIAL, _S_NAME) offset, step > > {
+  typedef SerialBase< MultiSerial< REPEAT(NUM_SERIAL, _S_NAME) offset, step > > BaseClassT;
+
+  #undef _S_CLASS
+  #undef _S_NAME
 
   SerialMask portMask;
-  Serial0T & serial0;
-  Serial1T & serial1;
 
-  static constexpr uint8_t Usage         =  ((1 << step) - 1); // A bit mask containing as many bits as step
-  static constexpr uint8_t FirstOutput   = (Usage << offset);
-  static constexpr uint8_t SecondOutput  = (Usage << (offset + step));
-  static constexpr uint8_t Both          = FirstOutput | SecondOutput;
+  #define _S_DECLARE(N) Serial##N##T & serial##N;
+  REPEAT(NUM_SERIAL, _S_DECLARE);
+  #undef _S_DECLARE
+
+  static constexpr uint8_t Usage = _BV(step) - 1; // A bit mask containing 'step' bits
+
+  #define _OUT_PORT(N) (Usage << (offset + (step * N))),
+  static constexpr uint8_t output[] = { REPEAT(NUM_SERIAL, _OUT_PORT) };
+  #undef _OUT_PORT
+
+  #define _OUT_MASK(N) | output[N]
+  static constexpr uint8_t ALL = 0 REPEAT(NUM_SERIAL, _OUT_MASK);
+  #undef _OUT_MASK
 
   NO_INLINE void write(uint8_t c) {
-    if (portMask.enabled(FirstOutput))   serial0.write(c);
-    if (portMask.enabled(SecondOutput))  serial1.write(c);
+    #define _S_WRITE(N) if (portMask.enabled(output[N])) serial##N.write(c);
+    REPEAT(NUM_SERIAL, _S_WRITE);
+    #undef _S_WRITE
   }
   NO_INLINE void msgDone() {
-    if (portMask.enabled(FirstOutput))   serial0.msgDone();
-    if (portMask.enabled(SecondOutput))  serial1.msgDone();
+    #define _S_DONE(N) if (portMask.enabled(output[N])) serial##N.msgDone();
+    REPEAT(NUM_SERIAL, _S_DONE);
+    #undef _S_DONE
   }
   int available(serial_index_t index) {
-    if (index.within(0 + offset, step + offset - 1))
-      return serial0.available(index);
-    else if (index.within(step + offset, 2 * step + offset - 1))
-      return serial1.available(index);
+    uint8_t pos = offset;
+    #define _S_AVAILABLE(N) if (index.within(pos, pos + step - 1)) return serial##N.available(index); else pos += step;
+    REPEAT(NUM_SERIAL, _S_AVAILABLE);
+    #undef _S_AVAILABLE
     return false;
   }
   int read(serial_index_t index) {
-    if (index.within(0 + offset, step + offset - 1))
-      return serial0.read(index);
-    else if (index.within(step + offset, 2 * step + offset - 1))
-      return serial1.read(index);
+    uint8_t pos = offset;
+    #define _S_READ(N) if (index.within(pos, pos + step - 1)) return serial##N.read(index); else pos += step;
+    REPEAT(NUM_SERIAL, _S_READ);
+    #undef _S_READ
     return -1;
   }
   void begin(const long br) {
-    if (portMask.enabled(FirstOutput))   serial0.begin(br);
-    if (portMask.enabled(SecondOutput))  serial1.begin(br);
+    #define _S_BEGIN(N) if (portMask.enabled(output[N])) serial##N.begin(br);
+    REPEAT(NUM_SERIAL, _S_BEGIN);
+    #undef _S_BEGIN
   }
   void end() {
-    if (portMask.enabled(FirstOutput))   serial0.end();
-    if (portMask.enabled(SecondOutput))  serial1.end();
+    #define _S_END(N) if (portMask.enabled(output[N])) serial##N.end();
+    REPEAT(NUM_SERIAL, _S_END);
+    #undef _S_END
   }
   bool connected() {
     bool ret = true;
-    if (portMask.enabled(FirstOutput))   ret = CALL_IF_EXISTS(bool, &serial0, connected);
-    if (portMask.enabled(SecondOutput))  ret = ret && CALL_IF_EXISTS(bool, &serial1, connected);
+    #define _S_CONNECTED(N) if (portMask.enabled(output[N]) && !CALL_IF_EXISTS(bool, &serial##N, connected)) ret = false;
+    REPEAT(NUM_SERIAL, _S_CONNECTED);
+    #undef _S_CONNECTED
     return ret;
   }
 
@@ -250,27 +267,32 @@ struct MultiSerial : public SerialBase< MultiSerial<Serial0T, Serial1T, offset,
   using BaseClassT::read;
 
   // Redirect flush
-  NO_INLINE void flush()      {
-    if (portMask.enabled(FirstOutput))   serial0.flush();
-    if (portMask.enabled(SecondOutput))  serial1.flush();
+  NO_INLINE void flush() {
+    #define _S_FLUSH(N) if (portMask.enabled(output[N])) serial##N.flush();
+    REPEAT(NUM_SERIAL, _S_FLUSH);
+    #undef _S_FLUSH
   }
-  NO_INLINE void flushTX()    {
-    if (portMask.enabled(FirstOutput))   CALL_IF_EXISTS(void, &serial0, flushTX);
-    if (portMask.enabled(SecondOutput))  CALL_IF_EXISTS(void, &serial1, flushTX);
+  NO_INLINE void flushTX() {
+    #define _S_FLUSHTX(N) if (portMask.enabled(output[N])) CALL_IF_EXISTS(void, &serial0, flushTX);
+    REPEAT(NUM_SERIAL, _S_FLUSHTX);
+    #undef _S_FLUSHTX
   }
 
   // Forward feature queries
-  SerialFeature features(serial_index_t index) const  {
-    if (index.within(0 + offset, step + offset - 1))
-      return serial0.features(index);
-    else if (index.within(step + offset, 2 * step + offset - 1))
-      return serial1.features(index);
+  SerialFeature features(serial_index_t index) const {
+    uint8_t pos = offset;
+    #define _S_FEATURES(N) if (index.within(pos, pos + step - 1)) return serial##N.features(index); else pos += step;
+    REPEAT(NUM_SERIAL, _S_FEATURES);
+    #undef _S_FEATURES
     return SerialFeature::None;
   }
 
-  MultiSerial(Serial0T & serial0, Serial1T & serial1, const SerialMask mask = Both, const bool e = false) :
-    BaseClassT(e),
-    portMask(mask), serial0(serial0), serial1(serial1) {}
+  #define _S_REFS(N) Serial##N##T & serial##N,
+  #define _S_INIT(N) ,serial##N (serial##N)
+
+  MultiSerial(REPEAT(NUM_SERIAL, _S_REFS) const SerialMask mask = ALL, const bool e = false)
+    : BaseClassT(e), portMask(mask) REPEAT(NUM_SERIAL, _S_INIT) {}
+
 };
 
 // Build the actual serial object depending on current configuration
@@ -278,4 +300,7 @@ struct MultiSerial : public SerialBase< MultiSerial<Serial0T, Serial1T, offset,
 #define ForwardSerial1Class TERN(SERIAL_RUNTIME_HOOK, RuntimeSerial, ForwardSerial)
 #ifdef HAS_MULTI_SERIAL
   #define Serial2Class ConditionalSerial
+  #if NUM_SERIAL >= 3
+    #define Serial3Class ConditionalSerial
+  #endif
 #endif

Marlin/src/core/types.h

@@ -29,34 +29,6 @@
 class __FlashStringHelper;
 typedef const __FlashStringHelper *progmem_str;
 
-//
-// Enumerated axis indices
-//
-//  - X_AXIS, Y_AXIS, and Z_AXIS should be used for axes in Cartesian space
-//  - A_AXIS, B_AXIS, and C_AXIS should be used for Steppers, corresponding to XYZ on Cartesians
-//  - X_HEAD, Y_HEAD, and Z_HEAD should be used for Steppers on Core kinematics
-//
-enum AxisEnum : uint8_t {
-  X_AXIS   = 0, A_AXIS = 0,
-  Y_AXIS   = 1, B_AXIS = 1,
-  Z_AXIS   = 2, C_AXIS = 2,
-  E_AXIS   = 3,
-  X_HEAD   = 4, Y_HEAD = 5, Z_HEAD = 6,
-  E0_AXIS  = 3,
-  E1_AXIS, E2_AXIS, E3_AXIS, E4_AXIS, E5_AXIS, E6_AXIS, E7_AXIS,
-  ALL_AXES = 0xFE, NO_AXIS = 0xFF
-};
-
-//
-// Loop over XYZE axes
-//
-#define LOOP_XYZ(VAR) LOOP_S_LE_N(VAR, X_AXIS, Z_AXIS)
-#define LOOP_XYZE(VAR) LOOP_S_LE_N(VAR, X_AXIS, E_AXIS)
-#define LOOP_XYZE_N(VAR) LOOP_S_L_N(VAR, X_AXIS, XYZE_N)
-#define LOOP_ABC(VAR) LOOP_S_LE_N(VAR, A_AXIS, C_AXIS)
-#define LOOP_ABCE(VAR) LOOP_S_LE_N(VAR, A_AXIS, E_AXIS)
-#define LOOP_ABCE_N(VAR) LOOP_S_L_N(VAR, A_AXIS, XYZE_N)
-
 //
 // Conditional type assignment magic. For example...
 //
@@ -67,6 +39,85 @@ struct IF { typedef R type; };
 template <class L, class R>
 struct IF<true, L, R> { typedef L type; };
 
+#define LINEAR_AXIS_GANG(V...) GANG_N(LINEAR_AXES, V)
+#define LINEAR_AXIS_CODE(V...) CODE_N(LINEAR_AXES, V)
+#define LINEAR_AXIS_LIST(V...) LIST_N(LINEAR_AXES, V)
+#define LINEAR_AXIS_ARRAY(V...) { LINEAR_AXIS_LIST(V) }
+#define LINEAR_AXIS_ARGS(T...) LINEAR_AXIS_LIST(T x, T y, T z, T i, T j, T k)
+#define LINEAR_AXIS_ELEM(O)    LINEAR_AXIS_LIST(O.x, O.y, O.z, O.i, O.j, O.k)
+#define LINEAR_AXIS_DEFS(T,V)  LINEAR_AXIS_LIST(T x=V, T y=V, T z=V, T i=V, T j=V, T k=V)
+
+#define LOGICAL_AXIS_GANG(E,V...) LINEAR_AXIS_GANG(V) GANG_ITEM_E(E)
+#define LOGICAL_AXIS_CODE(E,V...) LINEAR_AXIS_CODE(V) CODE_ITEM_E(E)
+#define LOGICAL_AXIS_LIST(E,V...) LINEAR_AXIS_LIST(V) LIST_ITEM_E(E)
+#define LOGICAL_AXIS_ARRAY(E,V...) { LOGICAL_AXIS_LIST(E,V) }
+#define LOGICAL_AXIS_ARGS(T...) LOGICAL_AXIS_LIST(T e, T x, T y, T z, T i, T j, T k)
+#define LOGICAL_AXIS_ELEM(O)    LOGICAL_AXIS_LIST(O.e, O.x, O.y, O.z, O.i, O.j, O.k)
+#define LOGICAL_AXIS_DECL(T,V)  LOGICAL_AXIS_LIST(T e=V, T x=V, T y=V, T z=V, T i=V, T j=V, T k=V)
+
+#if HAS_EXTRUDERS
+  #define LIST_ITEM_E(N) , N
+  #define CODE_ITEM_E(N) ; N
+  #define GANG_ITEM_E(N) N
+#else
+  #define LIST_ITEM_E(N)
+  #define CODE_ITEM_E(N)
+  #define GANG_ITEM_E(N)
+#endif
+
+//
+// Enumerated axis indices
+//
+//  - X_AXIS, Y_AXIS, and Z_AXIS should be used for axes in Cartesian space
+//  - A_AXIS, B_AXIS, and C_AXIS should be used for Steppers, corresponding to XYZ on Cartesians
+//  - X_HEAD, Y_HEAD, and Z_HEAD should be used for Steppers on Core kinematics
+//
+enum AxisEnum : uint8_t {
+
+  // Linear axes may be controlled directly or indirectly
+  LINEAR_AXIS_LIST(X_AXIS, Y_AXIS, Z_AXIS, I_AXIS, J_AXIS, K_AXIS)
+
+  // Extruder axes may be considered distinctly
+  #define _EN_ITEM(N) , E##N##_AXIS
+  REPEAT(EXTRUDERS, _EN_ITEM)
+  #undef _EN_ITEM
+
+  // Core also keeps toolhead directions
+  #if IS_CORE
+    , X_HEAD, Y_HEAD, Z_HEAD
+  #endif
+
+  // Distinct axes, including all E and Core
+  , NUM_AXIS_ENUMS
+
+  // Most of the time we refer only to the single E_AXIS
+  #if HAS_EXTRUDERS
+    , E_AXIS = E0_AXIS
+  #endif
+
+  // A, B, and C are for DELTA, SCARA, etc.
+  , A_AXIS = X_AXIS
+  #if LINEAR_AXES >= 2
+    , B_AXIS = Y_AXIS
+  #endif
+  #if LINEAR_AXES >= 3
+    , C_AXIS = Z_AXIS
+  #endif
+
+  // To refer to all or none
+  , ALL_AXES_ENUM = 0xFE, NO_AXIS_ENUM = 0xFF
+};
+
+typedef IF<(NUM_AXIS_ENUMS > 8), uint16_t, uint8_t>::type axis_bits_t;
+
+//
+// Loop over axes
+//
+#define LOOP_ABC(VAR) LOOP_S_LE_N(VAR, A_AXIS, C_AXIS)
+#define LOOP_LINEAR_AXES(VAR) LOOP_S_L_N(VAR, X_AXIS, LINEAR_AXES)
+#define LOOP_LOGICAL_AXES(VAR) LOOP_S_L_N(VAR, X_AXIS, LOGICAL_AXES)
+#define LOOP_DISTINCT_AXES(VAR) LOOP_S_L_N(VAR, X_AXIS, DISTINCT_AXES)
+
 //
 // feedRate_t is just a humble float
 //
@@ -77,6 +128,7 @@ typedef float feedRate_t;
 // For more resolition (e.g., for a chocolate printer) this may later be changed to Celsius x 100
 //
 typedef int16_t celsius_t;
+typedef float celsius_float_t;
 
 //
 // On AVR pointers are only 2 bytes so use 'const float &' for 'const float'
@@ -87,17 +139,18 @@ typedef int16_t celsius_t;
   typedef const float const_float_t;
 #endif
 typedef const_float_t const_feedRate_t;
+typedef const_float_t const_celsius_float_t;
 
 // Conversion macros
-#define MMM_TO_MMS(MM_M) feedRate_t(float(MM_M) / 60.0f)
-#define MMS_TO_MMM(MM_S) (float(MM_S) * 60.0f)
+#define MMM_TO_MMS(MM_M) feedRate_t(static_cast<float>(MM_M) / 60.0f)
+#define MMS_TO_MMM(MM_S) (static_cast<float>(MM_S) * 60.0f)
 
 //
 // Coordinates structures for XY, XYZ, XYZE...
 //
 
 // Helpers
-#define _RECIP(N) ((N) ? 1.0f / float(N) : 0.0f)
+#define _RECIP(N) ((N) ? 1.0f / static_cast<float>(N) : 0.0f)
 #define _ABS(N) ((N) < 0 ? -(N) : (N))
 #define _LS(N)  (N = (T)(uint32_t(N) << v))
 #define _RS(N)  (N = (T)(uint32_t(N) >> v))
@@ -185,7 +238,7 @@ void toNative(xyz_pos_t &raw);
 void toNative(xyze_pos_t &raw);
 
 //
-// XY coordinates, counters, etc.
+// Paired XY coordinates, counters, flags, etc.
 //
 template<typename T>
 struct XYval {
@@ -194,18 +247,34 @@ struct XYval {
     struct { T a, b; };
     T pos[2];
   };
-  FI void set(const T px)                               { x = px; }
-  FI void set(const T px, const T py)                   { x = px; y = py; }
-  FI void set(const T (&arr)[XY])                       { x = arr[0]; y = arr[1]; }
-  FI void set(const T (&arr)[XYZ])                      { x = arr[0]; y = arr[1]; }
-  FI void set(const T (&arr)[XYZE])                     { x = arr[0]; y = arr[1]; }
-  #if XYZE_N > XYZE
-    FI void set(const T (&arr)[XYZE_N])                 { x = arr[0]; y = arr[1]; }
-  #endif
+
+  // Set all to 0
   FI void reset()                                       { x = y = 0; }
+
+  // Setters taking struct types and arrays
+  FI void set(const T px)                               { x = px; }
+  #if HAS_Y_AXIS
+    FI void set(const T px, const T py)                 { x = px; y = py; }
+    FI void set(const T (&arr)[XY])                     { x = arr[0]; y = arr[1]; }
+  #endif
+  #if LINEAR_AXES > XY
+    FI void set(const T (&arr)[LINEAR_AXES])            { x = arr[0]; y = arr[1]; }
+  #endif
+  #if LOGICAL_AXES > LINEAR_AXES
+    FI void set(const T (&arr)[LOGICAL_AXES])           { x = arr[0]; y = arr[1]; }
+    #if DISTINCT_AXES > LOGICAL_AXES
+      FI void set(const T (&arr)[DISTINCT_AXES])        { x = arr[0]; y = arr[1]; }
+    #endif
+  #endif
+
+  // Length reduced to one dimension
   FI T magnitude()                                const { return (T)sqrtf(x*x + y*y); }
+  // Pointer to the data as a simple array
   FI operator T* ()                                     { return pos; }
+  // If any element is true then it's true
   FI operator bool()                                    { return x || y; }
+
+  // Explicit copy and copies with conversion
   FI XYval<T>           copy()                    const { return *this; }
   FI XYval<T>            ABS()                    const { return { T(_ABS(x)), T(_ABS(y)) }; }
   FI XYval<int16_t>    asInt()                          { return { int16_t(x), int16_t(y) }; }
@@ -214,20 +283,30 @@ struct XYval {
   FI XYval<int32_t>   asLong()                    const { return { int32_t(x), int32_t(y) }; }
   FI XYval<int32_t>   ROUNDL()                          { return { int32_t(LROUND(x)), int32_t(LROUND(y)) }; }
   FI XYval<int32_t>   ROUNDL()                    const { return { int32_t(LROUND(x)), int32_t(LROUND(y)) }; }
-  FI XYval<float>    asFloat()                          { return {   float(x),   float(y) }; }
-  FI XYval<float>    asFloat()                    const { return {   float(x),   float(y) }; }
+  FI XYval<float>    asFloat()                          { return { static_cast<float>(x), static_cast<float>(y) }; }
+  FI XYval<float>    asFloat()                    const { return { static_cast<float>(x), static_cast<float>(y) }; }
   FI XYval<float> reciprocal()                    const { return {  _RECIP(x),  _RECIP(y) }; }
+
+  // Marlin workspace shifting is done with G92 and M206
   FI XYval<float>  asLogical()                    const { XYval<float> o = asFloat(); toLogical(o); return o; }
   FI XYval<float>   asNative()                    const { XYval<float> o = asFloat(); toNative(o);  return o; }
+
+  // Cast to a type with more fields by making a new object
   FI operator XYZval<T>()                               { return { x, y }; }
   FI operator XYZval<T>()                         const { return { x, y }; }
   FI operator XYZEval<T>()                              { return { x, y }; }
   FI operator XYZEval<T>()                        const { return { x, y }; }
-  FI       T&  operator[](const int i)                  { return pos[i]; }
-  FI const T&  operator[](const int i)            const { return pos[i]; }
+
+  // Accessor via an AxisEnum (or any integer) [index]
+  FI       T&  operator[](const int n)                  { return pos[n]; }
+  FI const T&  operator[](const int n)            const { return pos[n]; }
+
+  // Assignment operator overrides do the expected thing
   FI XYval<T>& operator= (const T v)                    { set(v,    v   ); return *this; }
   FI XYval<T>& operator= (const XYZval<T>  &rs)         { set(rs.x, rs.y); return *this; }
   FI XYval<T>& operator= (const XYZEval<T> &rs)         { set(rs.x, rs.y); return *this; }
+
+  // Override other operators to get intuitive behaviors
   FI XYval<T>  operator+ (const XYval<T>   &rs)   const { XYval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; return ls; }
   FI XYval<T>  operator+ (const XYval<T>   &rs)         { XYval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; return ls; }
   FI XYval<T>  operator- (const XYval<T>   &rs)   const { XYval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; return ls; }
@@ -264,6 +343,10 @@ struct XYval {
   FI XYval<T>  operator>>(const int &v)                 { XYval<T> ls = *this; _RS(ls.x);    _RS(ls.y);    return ls; }
   FI XYval<T>  operator<<(const int &v)           const { XYval<T> ls = *this; _LS(ls.x);    _LS(ls.y);    return ls; }
   FI XYval<T>  operator<<(const int &v)                 { XYval<T> ls = *this; _LS(ls.x);    _LS(ls.y);    return ls; }
+  FI const XYval<T> operator-()                   const { XYval<T> o = *this; o.x = -x; o.y = -y; return o; }
+  FI XYval<T>       operator-()                         { XYval<T> o = *this; o.x = -x; o.y = -y; return o; }
+
+  // Modifier operators
   FI XYval<T>& operator+=(const XYval<T>   &rs)         { x += rs.x; y += rs.y; return *this; }
   FI XYval<T>& operator-=(const XYval<T>   &rs)         { x -= rs.x; y -= rs.y; return *this; }
   FI XYval<T>& operator*=(const XYval<T>   &rs)         { x *= rs.x; y *= rs.y; return *this; }
@@ -277,6 +360,8 @@ struct XYval {
   FI XYval<T>& operator*=(const int &v)                 { x *= v;    y *= v;    return *this; }
   FI XYval<T>& operator>>=(const int &v)                { _RS(x);    _RS(y);    return *this; }
   FI XYval<T>& operator<<=(const int &v)                { _LS(x);    _LS(y);    return *this; }
+
+  // Exact comparisons. For floats a "NEAR" operation may be better.
   FI bool      operator==(const XYval<T>   &rs)         { return x == rs.x && y == rs.y; }
   FI bool      operator==(const XYZval<T>  &rs)         { return x == rs.x && y == rs.y; }
   FI bool      operator==(const XYZEval<T> &rs)         { return x == rs.x && y == rs.y; }
@@ -289,224 +374,291 @@ struct XYval {
   FI bool      operator!=(const XYval<T>   &rs)   const { return !operator==(rs); }
   FI bool      operator!=(const XYZval<T>  &rs)   const { return !operator==(rs); }
   FI bool      operator!=(const XYZEval<T> &rs)   const { return !operator==(rs); }
-  FI XYval<T>       operator-()                         { XYval<T> o = *this; o.x = -x; o.y = -y; return o; }
-  FI const XYval<T> operator-()                   const { XYval<T> o = *this; o.x = -x; o.y = -y; return o; }
 };
 
 //
-// XYZ coordinates, counters, etc.
+// Linear Axes coordinates, counters, flags, etc.
 //
 template<typename T>
 struct XYZval {
   union {
-    struct { T x, y, z; };
-    struct { T a, b, c; };
-    T pos[3];
+    struct { T LINEAR_AXIS_ARGS(); };
+    struct { T LINEAR_AXIS_LIST(a, b, c, u, v, w); };
+    T pos[LINEAR_AXES];
   };
+
+  // Set all to 0
+  FI void reset()                                      { LINEAR_AXIS_GANG(x =, y =, z =, i =, j =, k =) 0; }
+
+  // Setters taking struct types and arrays
   FI void set(const T px)                              { x = px; }
   FI void set(const T px, const T py)                  { x = px; y = py; }
-  FI void set(const T px, const T py, const T pz)      { x = px; y = py; z = pz; }
-  FI void set(const XYval<T> pxy, const T pz)          { x = pxy.x; y = pxy.y; z = pz; }
+  FI void set(const XYval<T> pxy)                      { x = pxy.x; y = pxy.y; }
+  FI void set(const XYval<T> pxy, const T pz)          { LINEAR_AXIS_CODE(x = pxy.x, y = pxy.y, z = pz, NOOP, NOOP, NOOP); }
   FI void set(const T (&arr)[XY])                      { x = arr[0]; y = arr[1]; }
-  FI void set(const T (&arr)[XYZ])                     { x = arr[0]; y = arr[1]; z = arr[2]; }
-  FI void set(const T (&arr)[XYZE])                    { x = arr[0]; y = arr[1]; z = arr[2]; }
-  #if XYZE_N > XYZE
-    FI void set(const T (&arr)[XYZE_N])                { x = arr[0]; y = arr[1]; z = arr[2]; }
+  #if HAS_Z_AXIS
+    FI void set(const T (&arr)[LINEAR_AXES])           { LINEAR_AXIS_CODE(x = arr[0], y = arr[1], z = arr[2], i = arr[3], j = arr[4], k = arr[5]); }
+    FI void set(LINEAR_AXIS_ARGS(const T))             { LINEAR_AXIS_CODE(a = x,      b = y,      c = z,      u = i,      v = j,      w = k    ); }
   #endif
-  FI void reset()                                      { x = y = z = 0; }
-  FI T magnitude()                               const { return (T)sqrtf(x*x + y*y + z*z); }
+  #if LOGICAL_AXES > LINEAR_AXES
+    FI void set(const T (&arr)[LOGICAL_AXES])          { LINEAR_AXIS_CODE(x = arr[0], y = arr[1], z = arr[2], i = arr[3], j = arr[4], k = arr[5]); }
+    FI void set(LOGICAL_AXIS_ARGS(const T))            { LINEAR_AXIS_CODE(a = x,      b = y,      c = z,      u = i,      v = j,      w = k    ); }
+    #if DISTINCT_AXES > LOGICAL_AXES
+      FI void set(const T (&arr)[DISTINCT_AXES])       { LINEAR_AXIS_CODE(x = arr[0], y = arr[1], z = arr[2], i = arr[3], j = arr[4], k = arr[5]); }
+    #endif
+  #endif
+  #if LINEAR_AXES >= 4
+    FI void set(const T px, const T py, const T pz)                         { x = px; y = py; z = pz; }
+  #endif
+  #if LINEAR_AXES >= 5
+    FI void set(const T px, const T py, const T pz, const T pi)             { x = px; y = py; z = pz; i = pi; }
+  #endif
+  #if LINEAR_AXES >= 6
+    FI void set(const T px, const T py, const T pz, const T pi, const T pj) { x = px; y = py; z = pz; i = pi; j = pj; }
+  #endif
+
+  // Length reduced to one dimension
+  FI T magnitude()                               const { return (T)sqrtf(LINEAR_AXIS_GANG(x*x, + y*y, + z*z, + i*i, + j*j, + k*k)); }
+  // Pointer to the data as a simple array
   FI operator T* ()                                    { return pos; }
-  FI operator bool()                                   { return z || x || y; }
+  // If any element is true then it's true
+  FI operator bool()                                   { return LINEAR_AXIS_GANG(x, || y, || z, || i, || j, || k); }
+
+  // Explicit copy and copies with conversion
   FI XYZval<T>          copy()                   const { XYZval<T> o = *this; return o; }
-  FI XYZval<T>           ABS()                   const { return { T(_ABS(x)), T(_ABS(y)), T(_ABS(z)) }; }
-  FI XYZval<int16_t>   asInt()                         { return { int16_t(x), int16_t(y), int16_t(z) }; }
-  FI XYZval<int16_t>   asInt()                   const { return { int16_t(x), int16_t(y), int16_t(z) }; }
-  FI XYZval<int32_t>  asLong()                         { return { int32_t(x), int32_t(y), int32_t(z) }; }
-  FI XYZval<int32_t>  asLong()                   const { return { int32_t(x), int32_t(y), int32_t(z) }; }
-  FI XYZval<int32_t>  ROUNDL()                         { return { int32_t(LROUND(x)), int32_t(LROUND(y)), int32_t(LROUND(z)) }; }
-  FI XYZval<int32_t>  ROUNDL()                   const { return { int32_t(LROUND(x)), int32_t(LROUND(y)), int32_t(LROUND(z)) }; }
-  FI XYZval<float>   asFloat()                         { return {   float(x),   float(y),   float(z) }; }
-  FI XYZval<float>   asFloat()                   const { return {   float(x),   float(y),   float(z) }; }
-  FI XYZval<float> reciprocal()                  const { return {  _RECIP(x),  _RECIP(y),  _RECIP(z) }; }
+  FI XYZval<T>           ABS()                   const { return LINEAR_AXIS_ARRAY(T(_ABS(x)), T(_ABS(y)), T(_ABS(z)), T(_ABS(i)), T(_ABS(j)), T(_ABS(k))); }
+  FI XYZval<int16_t>   asInt()                         { return LINEAR_AXIS_ARRAY(int16_t(x), int16_t(y), int16_t(z), int16_t(i), int16_t(j), int16_t(k)); }
+  FI XYZval<int16_t>   asInt()                   const { return LINEAR_AXIS_ARRAY(int16_t(x), int16_t(y), int16_t(z), int16_t(i), int16_t(j), int16_t(k)); }
+  FI XYZval<int32_t>  asLong()                         { return LINEAR_AXIS_ARRAY(int32_t(x), int32_t(y), int32_t(z), int32_t(i), int32_t(j), int32_t(k)); }
+  FI XYZval<int32_t>  asLong()                   const { return LINEAR_AXIS_ARRAY(int32_t(x), int32_t(y), int32_t(z), int32_t(i), int32_t(j), int32_t(k)); }
+  FI XYZval<int32_t>  ROUNDL()                         { return LINEAR_AXIS_ARRAY(int32_t(LROUND(x)), int32_t(LROUND(y)), int32_t(LROUND(z)), int32_t(LROUND(i)), int32_t(LROUND(j)), int32_t(LROUND(k))); }
+  FI XYZval<int32_t>  ROUNDL()                   const { return LINEAR_AXIS_ARRAY(int32_t(LROUND(x)), int32_t(LROUND(y)), int32_t(LROUND(z)), int32_t(LROUND(i)), int32_t(LROUND(j)), int32_t(LROUND(k))); }
+  FI XYZval<float>   asFloat()                         { return LINEAR_AXIS_ARRAY(static_cast<float>(x), static_cast<float>(y), static_cast<float>(z), static_cast<float>(i), static_cast<float>(j), static_cast<float>(k)); }
+  FI XYZval<float>   asFloat()                   const { return LINEAR_AXIS_ARRAY(static_cast<float>(x), static_cast<float>(y), static_cast<float>(z), static_cast<float>(i), static_cast<float>(j), static_cast<float>(k)); }
+  FI XYZval<float> reciprocal()                  const { return LINEAR_AXIS_ARRAY(_RECIP(x),  _RECIP(y),  _RECIP(z),  _RECIP(i),  _RECIP(j),  _RECIP(k)); }
+
+  // Marlin workspace shifting is done with G92 and M206
   FI XYZval<float> asLogical()                   const { XYZval<float> o = asFloat(); toLogical(o); return o; }
   FI XYZval<float>  asNative()                   const { XYZval<float> o = asFloat(); toNative(o);  return o; }
+
+  // In-place cast to types having fewer fields
   FI operator       XYval<T>&()                        { return *(XYval<T>*)this; }
   FI operator const XYval<T>&()                  const { return *(const XYval<T>*)this; }
-  FI operator       XYZEval<T>()                 const { return { x, y, z }; }
-  FI       T&   operator[](const int i)                { return pos[i]; }
-  FI const T&   operator[](const int i)          const { return pos[i]; }
-  FI XYZval<T>& operator= (const T v)                  { set(v,    v,    v   ); return *this; }
+
+  // Cast to a type with more fields by making a new object
+  FI operator       XYZEval<T>()                 const { return LINEAR_AXIS_ARRAY(x, y, z, i, j, k); }
+
+  // Accessor via an AxisEnum (or any integer) [index]
+  FI       T&   operator[](const int n)                { return pos[n]; }
+  FI const T&   operator[](const int n)          const { return pos[n]; }
+
+  // Assignment operator overrides do the expected thing
+  FI XYZval<T>& operator= (const T v)                  { set(ARRAY_N_1(LINEAR_AXES, v)); return *this; }
   FI XYZval<T>& operator= (const XYval<T>   &rs)       { set(rs.x, rs.y      ); return *this; }
-  FI XYZval<T>& operator= (const XYZEval<T> &rs)       { set(rs.x, rs.y, rs.z); return *this; }
-  FI XYZval<T>  operator+ (const XYval<T>   &rs) const { XYZval<T> ls = *this; ls.x += rs.x; ls.y += rs.y;               return ls; }
-  FI XYZval<T>  operator+ (const XYval<T>   &rs)       { XYZval<T> ls = *this; ls.x += rs.x; ls.y += rs.y;               return ls; }
-  FI XYZval<T>  operator- (const XYval<T>   &rs) const { XYZval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y;               return ls; }
-  FI XYZval<T>  operator- (const XYval<T>   &rs)       { XYZval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y;               return ls; }
-  FI XYZval<T>  operator* (const XYval<T>   &rs) const { XYZval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y;               return ls; }
-  FI XYZval<T>  operator* (const XYval<T>   &rs)       { XYZval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y;               return ls; }
-  FI XYZval<T>  operator/ (const XYval<T>   &rs) const { XYZval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y;               return ls; }
-  FI XYZval<T>  operator/ (const XYval<T>   &rs)       { XYZval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y;               return ls; }
-  FI XYZval<T>  operator+ (const XYZval<T>  &rs) const { XYZval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; ls.z += rs.z; return ls; }
-  FI XYZval<T>  operator+ (const XYZval<T>  &rs)       { XYZval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; ls.z += rs.z; return ls; }
-  FI XYZval<T>  operator- (const XYZval<T>  &rs) const { XYZval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; ls.z -= rs.z; return ls; }
-  FI XYZval<T>  operator- (const XYZval<T>  &rs)       { XYZval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; ls.z -= rs.z; return ls; }
-  FI XYZval<T>  operator* (const XYZval<T>  &rs) const { XYZval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; ls.z *= rs.z; return ls; }
-  FI XYZval<T>  operator* (const XYZval<T>  &rs)       { XYZval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; ls.z *= rs.z; return ls; }
-  FI XYZval<T>  operator/ (const XYZval<T>  &rs) const { XYZval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; ls.z /= rs.z; return ls; }
-  FI XYZval<T>  operator/ (const XYZval<T>  &rs)       { XYZval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; ls.z /= rs.z; return ls; }
-  FI XYZval<T>  operator+ (const XYZEval<T> &rs) const { XYZval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; ls.z += rs.z; return ls; }
-  FI XYZval<T>  operator+ (const XYZEval<T> &rs)       { XYZval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; ls.z += rs.z; return ls; }
-  FI XYZval<T>  operator- (const XYZEval<T> &rs) const { XYZval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; ls.z -= rs.z; return ls; }
-  FI XYZval<T>  operator- (const XYZEval<T> &rs)       { XYZval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; ls.z -= rs.z; return ls; }
-  FI XYZval<T>  operator* (const XYZEval<T> &rs) const { XYZval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; ls.z *= rs.z; return ls; }
-  FI XYZval<T>  operator* (const XYZEval<T> &rs)       { XYZval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; ls.z *= rs.z; return ls; }
-  FI XYZval<T>  operator/ (const XYZEval<T> &rs) const { XYZval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; ls.z /= rs.z; return ls; }
-  FI XYZval<T>  operator/ (const XYZEval<T> &rs)       { XYZval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; ls.z /= rs.z; return ls; }
-  FI XYZval<T>  operator* (const float &v)       const { XYZval<T> ls = *this; ls.x *= v;    ls.y *= v;    ls.z *= v;    return ls; }
-  FI XYZval<T>  operator* (const float &v)             { XYZval<T> ls = *this; ls.x *= v;    ls.y *= v;    ls.z *= v;    return ls; }
-  FI XYZval<T>  operator* (const int &v)         const { XYZval<T> ls = *this; ls.x *= v;    ls.y *= v;    ls.z *= v;    return ls; }
-  FI XYZval<T>  operator* (const int &v)               { XYZval<T> ls = *this; ls.x *= v;    ls.y *= v;    ls.z *= v;    return ls; }
-  FI XYZval<T>  operator/ (const float &v)       const { XYZval<T> ls = *this; ls.x /= v;    ls.y /= v;    ls.z /= v;    return ls; }
-  FI XYZval<T>  operator/ (const float &v)             { XYZval<T> ls = *this; ls.x /= v;    ls.y /= v;    ls.z /= v;    return ls; }
-  FI XYZval<T>  operator/ (const int &v)         const { XYZval<T> ls = *this; ls.x /= v;    ls.y /= v;    ls.z /= v;    return ls; }
-  FI XYZval<T>  operator/ (const int &v)               { XYZval<T> ls = *this; ls.x /= v;    ls.y /= v;    ls.z /= v;    return ls; }
-  FI XYZval<T>  operator>>(const int &v)         const { XYZval<T> ls = *this; _RS(ls.x); _RS(ls.y); _RS(ls.z); return ls; }
-  FI XYZval<T>  operator>>(const int &v)               { XYZval<T> ls = *this; _RS(ls.x); _RS(ls.y); _RS(ls.z); return ls; }
-  FI XYZval<T>  operator<<(const int &v)         const { XYZval<T> ls = *this; _LS(ls.x); _LS(ls.y); _LS(ls.z); return ls; }
-  FI XYZval<T>  operator<<(const int &v)               { XYZval<T> ls = *this; _LS(ls.x); _LS(ls.y); _LS(ls.z); return ls; }
-  FI XYZval<T>& operator+=(const XYval<T>   &rs)       { x += rs.x; y += rs.y;            return *this; }
-  FI XYZval<T>& operator-=(const XYval<T>   &rs)       { x -= rs.x; y -= rs.y;            return *this; }
-  FI XYZval<T>& operator*=(const XYval<T>   &rs)       { x *= rs.x; y *= rs.y;            return *this; }
-  FI XYZval<T>& operator/=(const XYval<T>   &rs)       { x /= rs.x; y /= rs.y;            return *this; }
-  FI XYZval<T>& operator+=(const XYZval<T>  &rs)       { x += rs.x; y += rs.y; z += rs.z; return *this; }
-  FI XYZval<T>& operator-=(const XYZval<T>  &rs)       { x -= rs.x; y -= rs.y; z -= rs.z; return *this; }
-  FI XYZval<T>& operator*=(const XYZval<T>  &rs)       { x *= rs.x; y *= rs.y; z *= rs.z; return *this; }
-  FI XYZval<T>& operator/=(const XYZval<T>  &rs)       { x /= rs.x; y /= rs.y; z /= rs.z; return *this; }
-  FI XYZval<T>& operator+=(const XYZEval<T> &rs)       { x += rs.x; y += rs.y; z += rs.z; return *this; }
-  FI XYZval<T>& operator-=(const XYZEval<T> &rs)       { x -= rs.x; y -= rs.y; z -= rs.z; return *this; }
-  FI XYZval<T>& operator*=(const XYZEval<T> &rs)       { x *= rs.x; y *= rs.y; z *= rs.z; return *this; }
-  FI XYZval<T>& operator/=(const XYZEval<T> &rs)       { x /= rs.x; y /= rs.y; z /= rs.z; return *this; }
-  FI XYZval<T>& operator*=(const float &v)             { x *= v;    y *= v;    z *= v;    return *this; }
-  FI XYZval<T>& operator*=(const int &v)               { x *= v;    y *= v;    z *= v;    return *this; }
-  FI XYZval<T>& operator>>=(const int &v)              { _RS(x);   _RS(y);   _RS(z);   return *this; }
-  FI XYZval<T>& operator<<=(const int &v)              { _LS(x);   _LS(y);   _LS(z);   return *this; }
-  FI bool       operator==(const XYZEval<T> &rs)       { return x == rs.x && y == rs.y && z == rs.z; }
+  FI XYZval<T>& operator= (const XYZEval<T> &rs)       { set(LINEAR_AXIS_ELEM(rs)); return *this; }
+
+  // Override other operators to get intuitive behaviors
+  FI XYZval<T>  operator+ (const XYval<T>   &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x += rs.x, ls.y += rs.y, NOOP        , NOOP        , NOOP        , NOOP        ); return ls; }
+  FI XYZval<T>  operator+ (const XYval<T>   &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x += rs.x, ls.y += rs.y, NOOP        , NOOP        , NOOP        , NOOP        ); return ls; }
+  FI XYZval<T>  operator- (const XYval<T>   &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x -= rs.x, ls.y -= rs.y, NOOP        , NOOP        , NOOP        , NOOP        ); return ls; }
+  FI XYZval<T>  operator- (const XYval<T>   &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x -= rs.x, ls.y -= rs.y, NOOP        , NOOP        , NOOP        , NOOP        ); return ls; }
+  FI XYZval<T>  operator* (const XYval<T>   &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= rs.x, ls.y *= rs.y, NOOP        , NOOP        , NOOP        , NOOP        ); return ls; }
+  FI XYZval<T>  operator* (const XYval<T>   &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= rs.x, ls.y *= rs.y, NOOP        , NOOP        , NOOP        , NOOP        ); return ls; }
+  FI XYZval<T>  operator/ (const XYval<T>   &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= rs.x, ls.y /= rs.y, NOOP        , NOOP        , NOOP        , NOOP        ); return ls; }
+  FI XYZval<T>  operator/ (const XYval<T>   &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= rs.x, ls.y /= rs.y, NOOP        , NOOP        , NOOP        , NOOP        ); return ls; }
+  FI XYZval<T>  operator+ (const XYZval<T>  &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x += rs.x, ls.y += rs.y, ls.z += rs.z, ls.i += rs.i, ls.j += rs.j, ls.k += rs.k); return ls; }
+  FI XYZval<T>  operator+ (const XYZval<T>  &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x += rs.x, ls.y += rs.y, ls.z += rs.z, ls.i += rs.i, ls.j += rs.j, ls.k += rs.k); return ls; }
+  FI XYZval<T>  operator- (const XYZval<T>  &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x -= rs.x, ls.y -= rs.y, ls.z -= rs.z, ls.i -= rs.i, ls.j -= rs.j, ls.k -= rs.k); return ls; }
+  FI XYZval<T>  operator- (const XYZval<T>  &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x -= rs.x, ls.y -= rs.y, ls.z -= rs.z, ls.i -= rs.i, ls.j -= rs.j, ls.k -= rs.k); return ls; }
+  FI XYZval<T>  operator* (const XYZval<T>  &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= rs.x, ls.y *= rs.y, ls.z *= rs.z, ls.i *= rs.i, ls.j *= rs.j, ls.k *= rs.k); return ls; }
+  FI XYZval<T>  operator* (const XYZval<T>  &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= rs.x, ls.y *= rs.y, ls.z *= rs.z, ls.i *= rs.i, ls.j *= rs.j, ls.k *= rs.k); return ls; }
+  FI XYZval<T>  operator/ (const XYZval<T>  &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= rs.x, ls.y /= rs.y, ls.z /= rs.z, ls.i /= rs.i, ls.j /= rs.j, ls.k /= rs.k); return ls; }
+  FI XYZval<T>  operator/ (const XYZval<T>  &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= rs.x, ls.y /= rs.y, ls.z /= rs.z, ls.i /= rs.i, ls.j /= rs.j, ls.k /= rs.k); return ls; }
+  FI XYZval<T>  operator+ (const XYZEval<T> &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x += rs.x, ls.y += rs.y, ls.z += rs.z, ls.i += rs.i, ls.j += rs.j, ls.k += rs.k); return ls; }
+  FI XYZval<T>  operator+ (const XYZEval<T> &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x += rs.x, ls.y += rs.y, ls.z += rs.z, ls.i += rs.i, ls.j += rs.j, ls.k += rs.k); return ls; }
+  FI XYZval<T>  operator- (const XYZEval<T> &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x -= rs.x, ls.y -= rs.y, ls.z -= rs.z, ls.i -= rs.i, ls.j -= rs.j, ls.k -= rs.k); return ls; }
+  FI XYZval<T>  operator- (const XYZEval<T> &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x -= rs.x, ls.y -= rs.y, ls.z -= rs.z, ls.i -= rs.i, ls.j -= rs.j, ls.k -= rs.k); return ls; }
+  FI XYZval<T>  operator* (const XYZEval<T> &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= rs.x, ls.y *= rs.y, ls.z *= rs.z, ls.i *= rs.i, ls.j *= rs.j, ls.k *= rs.k); return ls; }
+  FI XYZval<T>  operator* (const XYZEval<T> &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= rs.x, ls.y *= rs.y, ls.z *= rs.z, ls.i *= rs.i, ls.j *= rs.j, ls.k *= rs.k); return ls; }
+  FI XYZval<T>  operator/ (const XYZEval<T> &rs) const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= rs.x, ls.y /= rs.y, ls.z /= rs.z, ls.i /= rs.i, ls.j /= rs.j, ls.k /= rs.k); return ls; }
+  FI XYZval<T>  operator/ (const XYZEval<T> &rs)       { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= rs.x, ls.y /= rs.y, ls.z /= rs.z, ls.i /= rs.i, ls.j /= rs.j, ls.k /= rs.k); return ls; }
+  FI XYZval<T>  operator* (const float &v)       const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v   ); return ls; }
+  FI XYZval<T>  operator* (const float &v)             { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v   ); return ls; }
+  FI XYZval<T>  operator* (const int &v)         const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v   ); return ls; }
+  FI XYZval<T>  operator* (const int &v)               { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v   ); return ls; }
+  FI XYZval<T>  operator/ (const float &v)       const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v   ); return ls; }
+  FI XYZval<T>  operator/ (const float &v)             { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v   ); return ls; }
+  FI XYZval<T>  operator/ (const int &v)         const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v   ); return ls; }
+  FI XYZval<T>  operator/ (const int &v)               { XYZval<T> ls = *this; LINEAR_AXIS_CODE(ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v   ); return ls; }
+  FI XYZval<T>  operator>>(const int &v)         const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(_RS(ls.x),    _RS(ls.y),    _RS(ls.z),    _RS(ls.i),    _RS(ls.j),    _RS(ls.k)   ); return ls; }
+  FI XYZval<T>  operator>>(const int &v)               { XYZval<T> ls = *this; LINEAR_AXIS_CODE(_RS(ls.x),    _RS(ls.y),    _RS(ls.z),    _RS(ls.i),    _RS(ls.j),    _RS(ls.k)   ); return ls; }
+  FI XYZval<T>  operator<<(const int &v)         const { XYZval<T> ls = *this; LINEAR_AXIS_CODE(_LS(ls.x),    _LS(ls.y),    _LS(ls.z),    _LS(ls.i),    _LS(ls.j),    _LS(ls.k)   ); return ls; }
+  FI XYZval<T>  operator<<(const int &v)               { XYZval<T> ls = *this; LINEAR_AXIS_CODE(_LS(ls.x),    _LS(ls.y),    _LS(ls.z),    _LS(ls.i),    _LS(ls.j),    _LS(ls.k)   ); return ls; }
+  FI const XYZval<T> operator-()                 const { XYZval<T> o = *this; LINEAR_AXIS_CODE(o.x = -x, o.y = -y, o.z = -z, o.i = -i, o.j = -j, o.k = -k); return o; }
+  FI XYZval<T>       operator-()                       { XYZval<T> o = *this; LINEAR_AXIS_CODE(o.x = -x, o.y = -y, o.z = -z, o.i = -i, o.j = -j, o.k = -k); return o; }
+
+  // Modifier operators
+  FI XYZval<T>& operator+=(const XYval<T>   &rs)       { LINEAR_AXIS_CODE(x += rs.x, y += rs.y, NOOP,      NOOP,      NOOP,      NOOP     ); return *this; }
+  FI XYZval<T>& operator-=(const XYval<T>   &rs)       { LINEAR_AXIS_CODE(x -= rs.x, y -= rs.y, NOOP,      NOOP,      NOOP,      NOOP     ); return *this; }
+  FI XYZval<T>& operator*=(const XYval<T>   &rs)       { LINEAR_AXIS_CODE(x *= rs.x, y *= rs.y, NOOP,      NOOP,      NOOP,      NOOP     ); return *this; }
+  FI XYZval<T>& operator/=(const XYval<T>   &rs)       { LINEAR_AXIS_CODE(x /= rs.x, y /= rs.y, NOOP,      NOOP,      NOOP,      NOOP     ); return *this; }
+  FI XYZval<T>& operator+=(const XYZval<T>  &rs)       { LINEAR_AXIS_CODE(x += rs.x, y += rs.y, z += rs.z, i += rs.i, j += rs.j, k += rs.k); return *this; }
+  FI XYZval<T>& operator-=(const XYZval<T>  &rs)       { LINEAR_AXIS_CODE(x -= rs.x, y -= rs.y, z -= rs.z, i -= rs.i, j -= rs.j, k -= rs.k); return *this; }
+  FI XYZval<T>& operator*=(const XYZval<T>  &rs)       { LINEAR_AXIS_CODE(x *= rs.x, y *= rs.y, z *= rs.z, i *= rs.i, j *= rs.j, k *= rs.k); return *this; }
+  FI XYZval<T>& operator/=(const XYZval<T>  &rs)       { LINEAR_AXIS_CODE(x /= rs.x, y /= rs.y, z /= rs.z, i /= rs.i, j /= rs.j, k /= rs.k); return *this; }
+  FI XYZval<T>& operator+=(const XYZEval<T> &rs)       { LINEAR_AXIS_CODE(x += rs.x, y += rs.y, z += rs.z, i += rs.i, j += rs.j, k += rs.k); return *this; }
+  FI XYZval<T>& operator-=(const XYZEval<T> &rs)       { LINEAR_AXIS_CODE(x -= rs.x, y -= rs.y, z -= rs.z, i -= rs.i, j -= rs.j, k -= rs.k); return *this; }
+  FI XYZval<T>& operator*=(const XYZEval<T> &rs)       { LINEAR_AXIS_CODE(x *= rs.x, y *= rs.y, z *= rs.z, i *= rs.i, j *= rs.j, k *= rs.k); return *this; }
+  FI XYZval<T>& operator/=(const XYZEval<T> &rs)       { LINEAR_AXIS_CODE(x /= rs.x, y /= rs.y, z /= rs.z, i /= rs.i, j /= rs.j, k /= rs.k); return *this; }
+  FI XYZval<T>& operator*=(const float &v)             { LINEAR_AXIS_CODE(x *= v,    y *= v,    z *= v,    i *= v,    j *= v,    k *= v);    return *this; }
+  FI XYZval<T>& operator*=(const int &v)               { LINEAR_AXIS_CODE(x *= v,    y *= v,    z *= v,    i *= v,    j *= v,    k *= v);    return *this; }
+  FI XYZval<T>& operator>>=(const int &v)              { LINEAR_AXIS_CODE(_RS(x),    _RS(y),    _RS(z),    _RS(i),    _RS(j),    _RS(k));    return *this; }
+  FI XYZval<T>& operator<<=(const int &v)              { LINEAR_AXIS_CODE(_LS(x),    _LS(y),    _LS(z),    _LS(i),    _LS(j),    _LS(k));    return *this; }
+
+  // Exact comparisons. For floats a "NEAR" operation may be better.
+  FI bool       operator==(const XYZEval<T> &rs)       { return true LINEAR_AXIS_GANG(&& x == rs.x, && y == rs.y, && z == rs.z, && i == rs.i, && j == rs.j, && k == rs.k); }
+  FI bool       operator==(const XYZEval<T> &rs) const { return true LINEAR_AXIS_GANG(&& x == rs.x, && y == rs.y, && z == rs.z, && i == rs.i, && j == rs.j, && k == rs.k); }
   FI bool       operator!=(const XYZEval<T> &rs)       { return !operator==(rs); }
-  FI bool       operator==(const XYZEval<T> &rs) const { return x == rs.x && y == rs.y && z == rs.z; }
   FI bool       operator!=(const XYZEval<T> &rs) const { return !operator==(rs); }
-  FI XYZval<T>       operator-()                       { XYZval<T> o = *this; o.x = -x; o.y = -y; o.z = -z; return o; }
-  FI const XYZval<T> operator-()                 const { XYZval<T> o = *this; o.x = -x; o.y = -y; o.z = -z; return o; }
 };
 
 //
-// XYZE coordinates, counters, etc.
+// Logical Axes coordinates, counters, etc.
 //
 template<typename T>
 struct XYZEval {
   union {
-    struct{ T x, y, z, e; };
-    struct{ T a, b, c; };
-    T pos[4];
+    struct { T LOGICAL_AXIS_ARGS(); };
+    struct { T LOGICAL_AXIS_LIST(_e, a, b, c, u, v, w); };
+    T pos[LOGICAL_AXES];
   };
-  FI void reset()                                             { x = y = z = e = 0; }
-  FI T magnitude()                                      const { return (T)sqrtf(x*x + y*y + z*z + e*e); }
-  FI operator T* ()                                           { return pos; }
-  FI operator bool()                                          { return e || z || x || y; }
-  FI void set(const T px)                                     { x = px;                                        }
-  FI void set(const T px, const T py)                         { x = px;     y = py;                            }
-  FI void set(const T px, const T py, const T pz)             { x = px;     y = py;     z = pz;                }
-  FI void set(const T px, const T py, const T pz, const T pe) { x = px;     y = py;     z = pz;     e = pe;    }
-  FI void set(const XYval<T> pxy)                             { x = pxy.x;  y = pxy.y;                         }
-  FI void set(const XYval<T> pxy, const T pz)                 { x = pxy.x;  y = pxy.y;  z = pz;                }
-  FI void set(const XYZval<T> pxyz)                           { x = pxyz.x; y = pxyz.y; z = pxyz.z;            }
-  FI void set(const XYval<T> pxy, const T pz, const T pe)     { x = pxy.x;  y = pxy.y;  z = pz;     e = pe;    }
-  FI void set(const XYval<T> pxy, const XYval<T> pze)         { x = pxy.x;  y = pxy.y;  z = pze.z;  e = pze.e; }
-  FI void set(const XYZval<T> pxyz, const T pe)               { x = pxyz.x; y = pxyz.y; z = pxyz.z; e = pe;    }
-  FI void set(const T (&arr)[XY])                             { x = arr[0]; y = arr[1]; }
-  FI void set(const T (&arr)[XYZ])                            { x = arr[0]; y = arr[1]; z = arr[2]; }
-  FI void set(const T (&arr)[XYZE])                           { x = arr[0]; y = arr[1]; z = arr[2]; e = arr[3]; }
-  #if XYZE_N > XYZE
-    FI void set(const T (&arr)[XYZE_N])                       { x = arr[0]; y = arr[1]; z = arr[2]; e = arr[3]; }
+  // Reset all to 0
+  FI void reset()                     { LOGICAL_AXIS_GANG(e =, x =, y =, z =, i =, j =, k =) 0; }
+
+  // Setters taking struct types and arrays
+  FI void set(const T px)             { x = px;               }
+  FI void set(const T px, const T py) { x = px;    y = py;    }
+  FI void set(const XYval<T> pxy)     { x = pxy.x; y = pxy.y; }
+  FI void set(const XYZval<T> pxyz)   { set(LINEAR_AXIS_ELEM(pxyz)); }
+  #if HAS_Z_AXIS
+    FI void set(LINEAR_AXIS_ARGS(const T))         { LINEAR_AXIS_CODE(a = x, b = y, c = z, u = i, v = j, w = k); }
   #endif
-  FI XYZEval<T>          copy()                         const { return *this; }
-  FI XYZEval<T>           ABS()                         const { return { T(_ABS(x)), T(_ABS(y)), T(_ABS(z)), T(_ABS(e)) }; }
-  FI XYZEval<int16_t>   asInt()                               { return { int16_t(x), int16_t(y), int16_t(z), int16_t(e) }; }
-  FI XYZEval<int16_t>   asInt()                         const { return { int16_t(x), int16_t(y), int16_t(z), int16_t(e) }; }
-  FI XYZEval<int32_t>  asLong()                               { return { int32_t(x), int32_t(y), int32_t(z), int32_t(e) }; }
-  FI XYZEval<int32_t>  asLong()                         const { return { int32_t(x), int32_t(y), int32_t(z), int32_t(e) }; }
-  FI XYZEval<int32_t>  ROUNDL()                               { return { int32_t(LROUND(x)), int32_t(LROUND(y)), int32_t(LROUND(z)), int32_t(LROUND(e)) }; }
-  FI XYZEval<int32_t>  ROUNDL()                         const { return { int32_t(LROUND(x)), int32_t(LROUND(y)), int32_t(LROUND(z)), int32_t(LROUND(e)) }; }
-  FI XYZEval<float>   asFloat()                               { return {   float(x),   float(y),   float(z),   float(e) }; }
-  FI XYZEval<float>   asFloat()                         const { return {   float(x),   float(y),   float(z),   float(e) }; }
-  FI XYZEval<float> reciprocal()                        const { return {  _RECIP(x),  _RECIP(y),  _RECIP(z),  _RECIP(e) }; }
-  FI XYZEval<float> asLogical()                         const { XYZEval<float> o = asFloat(); toLogical(o); return o; }
-  FI XYZEval<float>  asNative()                         const { XYZEval<float> o = asFloat(); toNative(o);  return o; }
-  FI operator       XYval<T>&()                               { return *(XYval<T>*)this; }
-  FI operator const XYval<T>&()                         const { return *(const XYval<T>*)this; }
-  FI operator       XYZval<T>&()                              { return *(XYZval<T>*)this; }
-  FI operator const XYZval<T>&()                        const { return *(const XYZval<T>*)this; }
-  FI       T&    operator[](const int i)                      { return pos[i]; }
-  FI const T&    operator[](const int i)                const { return pos[i]; }
-  FI XYZEval<T>& operator= (const T v)                        { set(v, v, v, v); return *this; }
-  FI XYZEval<T>& operator= (const XYval<T>   &rs)             { set(rs.x, rs.y); return *this; }
-  FI XYZEval<T>& operator= (const XYZval<T>  &rs)             { set(rs.x, rs.y, rs.z); return *this; }
-  FI XYZEval<T>  operator+ (const XYval<T>   &rs)       const { XYZEval<T> ls = *this; ls.x += rs.x; ls.y += rs.y;                             return ls; }
-  FI XYZEval<T>  operator+ (const XYval<T>   &rs)             { XYZEval<T> ls = *this; ls.x += rs.x; ls.y += rs.y;                             return ls; }
-  FI XYZEval<T>  operator- (const XYval<T>   &rs)       const { XYZEval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y;                             return ls; }
-  FI XYZEval<T>  operator- (const XYval<T>   &rs)             { XYZEval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y;                             return ls; }
-  FI XYZEval<T>  operator* (const XYval<T>   &rs)       const { XYZEval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y;                             return ls; }
-  FI XYZEval<T>  operator* (const XYval<T>   &rs)             { XYZEval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y;                             return ls; }
-  FI XYZEval<T>  operator/ (const XYval<T>   &rs)       const { XYZEval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y;                             return ls; }
-  FI XYZEval<T>  operator/ (const XYval<T>   &rs)             { XYZEval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y;                             return ls; }
-  FI XYZEval<T>  operator+ (const XYZval<T>  &rs)       const { XYZEval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; ls.z += rs.z;               return ls; }
-  FI XYZEval<T>  operator+ (const XYZval<T>  &rs)             { XYZEval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; ls.z += rs.z;               return ls; }
-  FI XYZEval<T>  operator- (const XYZval<T>  &rs)       const { XYZEval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; ls.z -= rs.z;               return ls; }
-  FI XYZEval<T>  operator- (const XYZval<T>  &rs)             { XYZEval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; ls.z -= rs.z;               return ls; }
-  FI XYZEval<T>  operator* (const XYZval<T>  &rs)       const { XYZEval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; ls.z *= rs.z;               return ls; }
-  FI XYZEval<T>  operator* (const XYZval<T>  &rs)             { XYZEval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; ls.z *= rs.z;               return ls; }
-  FI XYZEval<T>  operator/ (const XYZval<T>  &rs)       const { XYZEval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; ls.z /= rs.z;               return ls; }
-  FI XYZEval<T>  operator/ (const XYZval<T>  &rs)             { XYZEval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; ls.z /= rs.z;               return ls; }
-  FI XYZEval<T>  operator+ (const XYZEval<T> &rs)       const { XYZEval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; ls.z += rs.z; ls.e += rs.e; return ls; }
-  FI XYZEval<T>  operator+ (const XYZEval<T> &rs)             { XYZEval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; ls.z += rs.z; ls.e += rs.e; return ls; }
-  FI XYZEval<T>  operator- (const XYZEval<T> &rs)       const { XYZEval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; ls.z -= rs.z; ls.e -= rs.e; return ls; }
-  FI XYZEval<T>  operator- (const XYZEval<T> &rs)             { XYZEval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; ls.z -= rs.z; ls.e -= rs.e; return ls; }
-  FI XYZEval<T>  operator* (const XYZEval<T> &rs)       const { XYZEval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; ls.z *= rs.z; ls.e *= rs.e; return ls; }
-  FI XYZEval<T>  operator* (const XYZEval<T> &rs)             { XYZEval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; ls.z *= rs.z; ls.e *= rs.e; return ls; }
-  FI XYZEval<T>  operator/ (const XYZEval<T> &rs)       const { XYZEval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; ls.z /= rs.z; ls.e /= rs.e; return ls; }
-  FI XYZEval<T>  operator/ (const XYZEval<T> &rs)             { XYZEval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; ls.z /= rs.z; ls.e /= rs.e; return ls; }
-  FI XYZEval<T>  operator* (const float &v)             const { XYZEval<T> ls = *this; ls.x *= v;    ls.y *= v;    ls.z *= v;    ls.e *= v;    return ls; }
-  FI XYZEval<T>  operator* (const float &v)                   { XYZEval<T> ls = *this; ls.x *= v;    ls.y *= v;    ls.z *= v;    ls.e *= v;    return ls; }
-  FI XYZEval<T>  operator* (const int &v)               const { XYZEval<T> ls = *this; ls.x *= v;    ls.y *= v;    ls.z *= v;    ls.e *= v;    return ls; }
-  FI XYZEval<T>  operator* (const int &v)                     { XYZEval<T> ls = *this; ls.x *= v;    ls.y *= v;    ls.z *= v;    ls.e *= v;    return ls; }
-  FI XYZEval<T>  operator/ (const float &v)             const { XYZEval<T> ls = *this; ls.x /= v;    ls.y /= v;    ls.z /= v;    ls.e /= v;    return ls; }
-  FI XYZEval<T>  operator/ (const float &v)                   { XYZEval<T> ls = *this; ls.x /= v;    ls.y /= v;    ls.z /= v;    ls.e /= v;    return ls; }
-  FI XYZEval<T>  operator/ (const int &v)               const { XYZEval<T> ls = *this; ls.x /= v;    ls.y /= v;    ls.z /= v;    ls.e /= v;    return ls; }
-  FI XYZEval<T>  operator/ (const int &v)                     { XYZEval<T> ls = *this; ls.x /= v;    ls.y /= v;    ls.z /= v;    ls.e /= v;    return ls; }
-  FI XYZEval<T>  operator>>(const int &v)               const { XYZEval<T> ls = *this; _RS(ls.x);    _RS(ls.y);    _RS(ls.z);    _RS(ls.e);    return ls; }
-  FI XYZEval<T>  operator>>(const int &v)                     { XYZEval<T> ls = *this; _RS(ls.x);    _RS(ls.y);    _RS(ls.z);    _RS(ls.e);    return ls; }
-  FI XYZEval<T>  operator<<(const int &v)               const { XYZEval<T> ls = *this; _LS(ls.x);    _LS(ls.y);    _LS(ls.z);    _LS(ls.e);    return ls; }
-  FI XYZEval<T>  operator<<(const int &v)                     { XYZEval<T> ls = *this; _LS(ls.x);    _LS(ls.y);    _LS(ls.z);    _LS(ls.e);    return ls; }
-  FI XYZEval<T>& operator+=(const XYval<T>   &rs)             { x += rs.x; y += rs.y;                       return *this; }
-  FI XYZEval<T>& operator-=(const XYval<T>   &rs)             { x -= rs.x; y -= rs.y;                       return *this; }
-  FI XYZEval<T>& operator*=(const XYval<T>   &rs)             { x *= rs.x; y *= rs.y;                       return *this; }
-  FI XYZEval<T>& operator/=(const XYval<T>   &rs)             { x /= rs.x; y /= rs.y;                       return *this; }
-  FI XYZEval<T>& operator+=(const XYZval<T>  &rs)             { x += rs.x; y += rs.y; z += rs.z;            return *this; }
-  FI XYZEval<T>& operator-=(const XYZval<T>  &rs)             { x -= rs.x; y -= rs.y; z -= rs.z;            return *this; }
-  FI XYZEval<T>& operator*=(const XYZval<T>  &rs)             { x *= rs.x; y *= rs.y; z *= rs.z;            return *this; }
-  FI XYZEval<T>& operator/=(const XYZval<T>  &rs)             { x /= rs.x; y /= rs.y; z /= rs.z;            return *this; }
-  FI XYZEval<T>& operator+=(const XYZEval<T> &rs)             { x += rs.x; y += rs.y; z += rs.z; e += rs.e; return *this; }
-  FI XYZEval<T>& operator-=(const XYZEval<T> &rs)             { x -= rs.x; y -= rs.y; z -= rs.z; e -= rs.e; return *this; }
-  FI XYZEval<T>& operator*=(const XYZEval<T> &rs)             { x *= rs.x; y *= rs.y; z *= rs.z; e *= rs.e; return *this; }
-  FI XYZEval<T>& operator/=(const XYZEval<T> &rs)             { x /= rs.x; y /= rs.y; z /= rs.z; e /= rs.e; return *this; }
-  FI XYZEval<T>& operator*=(const T &v)                       { x *= v;    y *= v;    z *= v;    e *= v;    return *this; }
-  FI XYZEval<T>& operator>>=(const int &v)                    { _RS(x);    _RS(y);    _RS(z);    _RS(e);    return *this; }
-  FI XYZEval<T>& operator<<=(const int &v)                    { _LS(x);    _LS(y);    _LS(z);    _LS(e);    return *this; }
-  FI bool        operator==(const XYZval<T>  &rs)             { return x == rs.x && y == rs.y && z == rs.z; }
-  FI bool        operator!=(const XYZval<T>  &rs)             { return !operator==(rs); }
-  FI bool        operator==(const XYZval<T>  &rs)       const { return x == rs.x && y == rs.y && z == rs.z; }
-  FI bool        operator!=(const XYZval<T>  &rs)       const { return !operator==(rs); }
-  FI       XYZEval<T> operator-()                             { return { -x, -y, -z, -e }; }
-  FI const XYZEval<T> operator-()                       const { return { -x, -y, -z, -e }; }
+  #if LOGICAL_AXES > LINEAR_AXES
+    FI void set(const XYval<T> pxy, const T pe)    { set(pxy); e = pe; }
+    FI void set(const XYZval<T> pxyz, const T pe)  { set(pxyz); e = pe; }
+    FI void set(LOGICAL_AXIS_ARGS(const T))        { LOGICAL_AXIS_CODE(_e = e, a = x, b = y, c = z, u = i, v = j, w = k); }
+  #endif
+  #if LINEAR_AXES >= 4
+    FI void set(const T px, const T py, const T pz)                         { x = px; y = py; z = pz; }
+  #endif
+  #if LINEAR_AXES >= 5
+    FI void set(const T px, const T py, const T pz, const T pi)             { x = px; y = py; z = pz; i = pi; }
+  #endif
+  #if LINEAR_AXES >= 6
+    FI void set(const T px, const T py, const T pz, const T pi, const T pj) { x = px; y = py; z = pz; i = pi; j = pj; }
+  #endif
+
+  // Length reduced to one dimension
+  FI T magnitude()                                 const { return (T)sqrtf(LOGICAL_AXIS_GANG(+ e*e, + x*x, + y*y, + z*z, + i*i, + j*j, + k*k)); }
+  // Pointer to the data as a simple array
+  FI operator T* ()                                      { return pos; }
+  // If any element is true then it's true
+  FI operator bool()                                     { return 0 LOGICAL_AXIS_GANG(|| e, || x, || y, || z, || i, || j, || k); }
+
+  // Explicit copy and copies with conversion
+  FI XYZEval<T>          copy()  const { XYZEval<T> o = *this; return o; }
+  FI XYZEval<T>           ABS()  const { return LOGICAL_AXIS_ARRAY(T(_ABS(e)), T(_ABS(x)), T(_ABS(y)), T(_ABS(z)), T(_ABS(i)), T(_ABS(j)), T(_ABS(k))); }
+  FI XYZEval<int16_t>   asInt()        { return LOGICAL_AXIS_ARRAY(int16_t(e), int16_t(x), int16_t(y), int16_t(z), int16_t(i), int16_t(j), int16_t(k)); }
+  FI XYZEval<int16_t>   asInt()  const { return LOGICAL_AXIS_ARRAY(int16_t(e), int16_t(x), int16_t(y), int16_t(z), int16_t(i), int16_t(j), int16_t(k)); }
+  FI XYZEval<int32_t>  asLong()        { return LOGICAL_AXIS_ARRAY(int32_t(e), int32_t(x), int32_t(y), int32_t(z), int32_t(i), int32_t(j), int32_t(k)); }
+  FI XYZEval<int32_t>  asLong()  const { return LOGICAL_AXIS_ARRAY(int32_t(e), int32_t(x), int32_t(y), int32_t(z), int32_t(i), int32_t(j), int32_t(k)); }
+  FI XYZEval<int32_t>  ROUNDL()        { return LOGICAL_AXIS_ARRAY(int32_t(LROUND(e)), int32_t(LROUND(x)), int32_t(LROUND(y)), int32_t(LROUND(z)), int32_t(LROUND(i)), int32_t(LROUND(j)), int32_t(LROUND(k))); }
+  FI XYZEval<int32_t>  ROUNDL()  const { return LOGICAL_AXIS_ARRAY(int32_t(LROUND(e)), int32_t(LROUND(x)), int32_t(LROUND(y)), int32_t(LROUND(z)), int32_t(LROUND(i)), int32_t(LROUND(j)), int32_t(LROUND(k))); }
+  FI XYZEval<float>   asFloat()        { return LOGICAL_AXIS_ARRAY(static_cast<float>(e), static_cast<float>(x), static_cast<float>(y), static_cast<float>(z), static_cast<float>(i), static_cast<float>(j), static_cast<float>(k)); }
+  FI XYZEval<float>   asFloat()  const { return LOGICAL_AXIS_ARRAY(static_cast<float>(e), static_cast<float>(x), static_cast<float>(y), static_cast<float>(z), static_cast<float>(i), static_cast<float>(j), static_cast<float>(k)); }
+  FI XYZEval<float> reciprocal() const { return LOGICAL_AXIS_ARRAY(_RECIP(e),  _RECIP(x),  _RECIP(y),  _RECIP(z),  _RECIP(i),  _RECIP(j),  _RECIP(k)); }
+
+  // Marlin workspace shifting is done with G92 and M206
+  FI XYZEval<float> asLogical()  const { XYZEval<float> o = asFloat(); toLogical(o); return o; }
+  FI XYZEval<float>  asNative()  const { XYZEval<float> o = asFloat(); toNative(o);  return o; }
+
+  // In-place cast to types having fewer fields
+  FI operator       XYval<T>&()        { return *(XYval<T>*)this; }
+  FI operator const XYval<T>&()  const { return *(const XYval<T>*)this; }
+  FI operator       XYZval<T>&()       { return *(XYZval<T>*)this; }
+  FI operator const XYZval<T>&() const { return *(const XYZval<T>*)this; }
+
+  // Accessor via an AxisEnum (or any integer) [index]
+  FI       T&    operator[](const int n)                  { return pos[n]; }
+  FI const T&    operator[](const int n)            const { return pos[n]; }
+
+  // Assignment operator overrides do the expected thing
+  FI XYZEval<T>& operator= (const T v)                    { set(LIST_N_1(LINEAR_AXES, v)); return *this; }
+  FI XYZEval<T>& operator= (const XYval<T>   &rs)         { set(rs.x, rs.y); return *this; }
+  FI XYZEval<T>& operator= (const XYZval<T>  &rs)         { set(LINEAR_AXIS_ELEM(rs)); return *this; }
+
+  // Override other operators to get intuitive behaviors
+  FI XYZEval<T>  operator+ (const XYval<T>   &rs)   const { XYZEval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; return ls; }
+  FI XYZEval<T>  operator+ (const XYval<T>   &rs)         { XYZEval<T> ls = *this; ls.x += rs.x; ls.y += rs.y; return ls; }
+  FI XYZEval<T>  operator- (const XYval<T>   &rs)   const { XYZEval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; return ls; }
+  FI XYZEval<T>  operator- (const XYval<T>   &rs)         { XYZEval<T> ls = *this; ls.x -= rs.x; ls.y -= rs.y; return ls; }
+  FI XYZEval<T>  operator* (const XYval<T>   &rs)   const { XYZEval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; return ls; }
+  FI XYZEval<T>  operator* (const XYval<T>   &rs)         { XYZEval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; return ls; }
+  FI XYZEval<T>  operator/ (const XYval<T>   &rs)   const { XYZEval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; return ls; }
+  FI XYZEval<T>  operator/ (const XYval<T>   &rs)         { XYZEval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; return ls; }
+  FI XYZEval<T>  operator+ (const XYZval<T>  &rs)   const { XYZval<T>  ls = *this; LINEAR_AXIS_CODE(ls.x += rs.x, ls.y += rs.y, ls.z += rs.z, ls.i += rs.i, ls.j += rs.j, ls.k += rs.k); return ls; }
+  FI XYZEval<T>  operator+ (const XYZval<T>  &rs)         { XYZval<T>  ls = *this; LINEAR_AXIS_CODE(ls.x += rs.x, ls.y += rs.y, ls.z += rs.z, ls.i += rs.i, ls.j += rs.j, ls.k += rs.k); return ls; }
+  FI XYZEval<T>  operator- (const XYZval<T>  &rs)   const { XYZval<T>  ls = *this; LINEAR_AXIS_CODE(ls.x -= rs.x, ls.y -= rs.y, ls.z -= rs.z, ls.i -= rs.i, ls.j -= rs.j, ls.k -= rs.k); return ls; }
+  FI XYZEval<T>  operator- (const XYZval<T>  &rs)         { XYZval<T>  ls = *this; LINEAR_AXIS_CODE(ls.x -= rs.x, ls.y -= rs.y, ls.z -= rs.z, ls.i -= rs.i, ls.j -= rs.j, ls.k -= rs.k); return ls; }
+  FI XYZEval<T>  operator* (const XYZval<T>  &rs)   const { XYZval<T>  ls = *this; LINEAR_AXIS_CODE(ls.x *= rs.x, ls.y *= rs.y, ls.z *= rs.z, ls.i *= rs.i, ls.j *= rs.j, ls.k *= rs.k); return ls; }
+  FI XYZEval<T>  operator* (const XYZval<T>  &rs)         { XYZval<T>  ls = *this; LINEAR_AXIS_CODE(ls.x *= rs.x, ls.y *= rs.y, ls.z *= rs.z, ls.i *= rs.i, ls.j *= rs.j, ls.k *= rs.k); return ls; }
+  FI XYZEval<T>  operator/ (const XYZval<T>  &rs)   const { XYZval<T>  ls = *this; LINEAR_AXIS_CODE(ls.x /= rs.x, ls.y /= rs.y, ls.z /= rs.z, ls.i /= rs.i, ls.j /= rs.j, ls.k /= rs.k); return ls; }
+  FI XYZEval<T>  operator/ (const XYZval<T>  &rs)         { XYZval<T>  ls = *this; LINEAR_AXIS_CODE(ls.x /= rs.x, ls.y /= rs.y, ls.z /= rs.z, ls.i /= rs.i, ls.j /= rs.j, ls.k /= rs.k); return ls; }
+  FI XYZEval<T>  operator+ (const XYZEval<T>  &rs)  const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e += rs.e, ls.x += rs.x, ls.y += rs.y, ls.z += rs.z, ls.i += rs.i, ls.j += rs.j, ls.k += rs.k); return ls; }
+  FI XYZEval<T>  operator+ (const XYZEval<T>  &rs)        { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e += rs.e, ls.x += rs.x, ls.y += rs.y, ls.z += rs.z, ls.i += rs.i, ls.j += rs.j, ls.k += rs.k); return ls; }
+  FI XYZEval<T>  operator- (const XYZEval<T>  &rs)  const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e -= rs.e, ls.x -= rs.x, ls.y -= rs.y, ls.z -= rs.z, ls.i -= rs.i, ls.j -= rs.j, ls.k -= rs.k); return ls; }
+  FI XYZEval<T>  operator- (const XYZEval<T>  &rs)        { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e -= rs.e, ls.x -= rs.x, ls.y -= rs.y, ls.z -= rs.z, ls.i -= rs.i, ls.j -= rs.j, ls.k -= rs.k); return ls; }
+  FI XYZEval<T>  operator* (const XYZEval<T>  &rs)  const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= rs.e, ls.x *= rs.x, ls.y *= rs.y, ls.z *= rs.z, ls.i *= rs.i, ls.j *= rs.j, ls.k *= rs.k); return ls; }
+  FI XYZEval<T>  operator* (const XYZEval<T>  &rs)        { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= rs.e, ls.x *= rs.x, ls.y *= rs.y, ls.z *= rs.z, ls.i *= rs.i, ls.j *= rs.j, ls.k *= rs.k); return ls; }
+  FI XYZEval<T>  operator/ (const XYZEval<T>  &rs)  const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= rs.e, ls.x /= rs.x, ls.y /= rs.y, ls.z /= rs.z, ls.i /= rs.i, ls.j /= rs.j, ls.k /= rs.k); return ls; }
+  FI XYZEval<T>  operator/ (const XYZEval<T>  &rs)        { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= rs.e, ls.x /= rs.x, ls.y /= rs.y, ls.z /= rs.z, ls.i /= rs.i, ls.j /= rs.j, ls.k /= rs.k); return ls; }
+  FI XYZEval<T>  operator* (const float &v)         const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= v,    ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v   ); return ls; }
+  FI XYZEval<T>  operator* (const float &v)               { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= v,    ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v   ); return ls; }
+  FI XYZEval<T>  operator* (const int &v)           const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= v,    ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v   ); return ls; }
+  FI XYZEval<T>  operator* (const int &v)                 { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= v,    ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v   ); return ls; }
+  FI XYZEval<T>  operator/ (const float &v)         const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= v,    ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v   ); return ls; }
+  FI XYZEval<T>  operator/ (const float &v)               { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= v,    ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v   ); return ls; }
+  FI XYZEval<T>  operator/ (const int &v)           const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= v,    ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v   ); return ls; }
+  FI XYZEval<T>  operator/ (const int &v)                 { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= v,    ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v   ); return ls; }
+  FI XYZEval<T>  operator>>(const int &v)           const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(_RS(ls.e),    _RS(ls.x),    _RS(ls.y),    _RS(ls.z),    _RS(ls.i),    _RS(ls.j),    _RS(ls.k)   ); return ls; }
+  FI XYZEval<T>  operator>>(const int &v)                 { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(_RS(ls.e),    _RS(ls.x),    _RS(ls.y),    _RS(ls.z),    _RS(ls.i),    _RS(ls.j),    _RS(ls.k)   ); return ls; }
+  FI XYZEval<T>  operator<<(const int &v)           const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(_LS(ls.e),    _LS(ls.x),    _LS(ls.y),    _LS(ls.z),    _LS(ls.i),    _LS(ls.j),    _LS(ls.k)   ); return ls; }
+  FI XYZEval<T>  operator<<(const int &v)                 { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(_LS(ls.e),    _LS(ls.x),    _LS(ls.y),    _LS(ls.z),    _LS(ls.i),    _LS(ls.j),    _LS(ls.k)   ); return ls; }
+  FI const XYZEval<T> operator-()                   const { return LOGICAL_AXIS_ARRAY(-e, -x, -y, -z, -i, -j, -k); }
+  FI       XYZEval<T> operator-()                         { return LOGICAL_AXIS_ARRAY(-e, -x, -y, -z, -i, -j, -k); }
+
+  // Modifier operators
+  FI XYZEval<T>& operator+=(const XYval<T>   &rs)         { x += rs.x; y += rs.y; return *this; }
+  FI XYZEval<T>& operator-=(const XYval<T>   &rs)         { x -= rs.x; y -= rs.y; return *this; }
+  FI XYZEval<T>& operator*=(const XYval<T>   &rs)         { x *= rs.x; y *= rs.y; return *this; }
+  FI XYZEval<T>& operator/=(const XYval<T>   &rs)         { x /= rs.x; y /= rs.y; return *this; }
+  FI XYZEval<T>& operator+=(const XYZval<T>  &rs)         { LINEAR_AXIS_CODE(x += rs.x, y += rs.y, z += rs.z, i += rs.i, j += rs.j, k += rs.k); return *this; }
+  FI XYZEval<T>& operator-=(const XYZval<T>  &rs)         { LINEAR_AXIS_CODE(x -= rs.x, y -= rs.y, z -= rs.z, i -= rs.i, j -= rs.j, k -= rs.k); return *this; }
+  FI XYZEval<T>& operator*=(const XYZval<T>  &rs)         { LINEAR_AXIS_CODE(x *= rs.x, y *= rs.y, z *= rs.z, i *= rs.i, j *= rs.j, k *= rs.k); return *this; }
+  FI XYZEval<T>& operator/=(const XYZval<T>  &rs)         { LINEAR_AXIS_CODE(x /= rs.x, y /= rs.y, z /= rs.z, i /= rs.i, j /= rs.j, k /= rs.k); return *this; }
+  FI XYZEval<T>& operator+=(const XYZEval<T> &rs)         { LOGICAL_AXIS_CODE(e += rs.e, x += rs.x, y += rs.y, z += rs.z, i += rs.i, j += rs.j, k += rs.k); return *this; }
+  FI XYZEval<T>& operator-=(const XYZEval<T> &rs)         { LOGICAL_AXIS_CODE(e -= rs.e, x -= rs.x, y -= rs.y, z -= rs.z, i -= rs.i, j -= rs.j, k -= rs.k); return *this; }
+  FI XYZEval<T>& operator*=(const XYZEval<T> &rs)         { LOGICAL_AXIS_CODE(e *= rs.e, x *= rs.x, y *= rs.y, z *= rs.z, i *= rs.i, j *= rs.j, k *= rs.k); return *this; }
+  FI XYZEval<T>& operator/=(const XYZEval<T> &rs)         { LOGICAL_AXIS_CODE(e /= rs.e, x /= rs.x, y /= rs.y, z /= rs.z, i /= rs.i, j /= rs.j, k /= rs.k); return *this; }
+  FI XYZEval<T>& operator*=(const T &v)                   { LOGICAL_AXIS_CODE(e *= v,    x *= v,    y *= v,    z *= v,    i *= v,    j *= v,    k *= v);    return *this; }
+  FI XYZEval<T>& operator>>=(const int &v)                { LOGICAL_AXIS_CODE(_RS(e),    _RS(x),    _RS(y),    _RS(z),    _RS(i),    _RS(j),    _RS(k));    return *this; }
+  FI XYZEval<T>& operator<<=(const int &v)                { LOGICAL_AXIS_CODE(_LS(e),    _LS(x),    _LS(y),    _LS(z),    _LS(i),    _LS(j),    _LS(k));    return *this; }
+
+  // Exact comparisons. For floats a "NEAR" operation may be better.
+  FI bool        operator==(const XYZval<T>  &rs)         { return true LINEAR_AXIS_GANG(&& x == rs.x, && y == rs.y, && z == rs.z, && i == rs.i, && j == rs.j, && k == rs.k); }
+  FI bool        operator==(const XYZval<T>  &rs)   const { return true LINEAR_AXIS_GANG(&& x == rs.x, && y == rs.y, && z == rs.z, && i == rs.i, && j == rs.j, && k == rs.k); }
+  FI bool        operator!=(const XYZval<T>  &rs)         { return !operator==(rs); }
+  FI bool        operator!=(const XYZval<T>  &rs)   const { return !operator==(rs); }
 };
 
 #undef _RECIP
@@ -514,6 +666,3 @@ struct XYZEval {
 #undef _LS
 #undef _RS
 #undef FI
-
-const xyze_char_t axis_codes { 'X', 'Y', 'Z', 'E' };
-#define XYZ_CHAR(A) ((char)('X' + A))

Marlin/src/core/utility.cpp

@@ -122,10 +122,10 @@ void safe_delay(millis_t ms) {
             SERIAL_ECHOLNPAIR("Z Fade: ", planner.z_fade_height);
         #endif
         #if ABL_PLANAR
-          SERIAL_ECHOPGM("ABL Adjustment X");
-          LOOP_XYZ(a) {
+          SERIAL_ECHOPGM("ABL Adjustment");
+          LOOP_LINEAR_AXES(a) {
             const float v = planner.get_axis_position_mm(AxisEnum(a)) - current_position[a];
-            SERIAL_CHAR(' ', XYZ_CHAR(a));
+            SERIAL_CHAR(' ', AXIS_CHAR(a));
             if (v > 0) SERIAL_CHAR('+');
             SERIAL_DECIMAL(v);
           }

Marlin/src/core/utility.h

@@ -25,8 +25,7 @@
 #include "../core/types.h"
 #include "../core/millis_t.h"
 
-// Delay that ensures heaters and watchdog are kept alive
-void safe_delay(millis_t ms);
+void safe_delay(millis_t ms);           // Delay ensuring that temperatures are updated and the watchdog is kept alive.
 
 #if ENABLED(SERIAL_OVERRUN_PROTECTION)
   void serial_delay(const millis_t ms);
@@ -77,3 +76,11 @@ public:
 // Converts from an uint8_t in the range of 0-255 to an uint8_t
 // in the range 0-100 while avoiding rounding artifacts
 constexpr uint8_t ui8_to_percent(const uint8_t i) { return (int(i) * 100 + 127) / 255; }
+
+const xyze_char_t axis_codes LOGICAL_AXIS_ARRAY('E', 'X', 'Y', 'Z', AXIS4_NAME, AXIS5_NAME, AXIS6_NAME);
+
+#if LINEAR_AXES <= XYZ
+  #define AXIS_CHAR(A) ((char)('X' + A))
+#else
+  #define AXIS_CHAR(A) axis_codes[A]
+#endif

Marlin/src/feature/backlash.cpp

@@ -63,10 +63,24 @@ Backlash backlash;
 void Backlash::add_correction_steps(const int32_t &da, const int32_t &db, const int32_t &dc, const uint8_t dm, block_t * const block) {
   static uint8_t last_direction_bits;
   uint8_t changed_dir = last_direction_bits ^ dm;
-  // Ignore direction change if no steps are taken in that direction
-  if (da == 0) CBI(changed_dir, X_AXIS);
-  if (db == 0) CBI(changed_dir, Y_AXIS);
-  if (dc == 0) CBI(changed_dir, Z_AXIS);
+  // Ignore direction change unless steps are taken in that direction
+  #if DISABLED(CORE_BACKLASH) || ENABLED(MARKFORGED_XY)
+    if (!da) CBI(changed_dir, X_AXIS);
+    if (!db) CBI(changed_dir, Y_AXIS);
+    if (!dc) CBI(changed_dir, Z_AXIS);
+  #elif CORE_IS_XY
+    if (!(da + db)) CBI(changed_dir, X_AXIS);
+    if (!(da - db)) CBI(changed_dir, Y_AXIS);
+    if (!dc)        CBI(changed_dir, Z_AXIS);
+  #elif CORE_IS_XZ
+    if (!(da + dc)) CBI(changed_dir, X_AXIS);
+    if (!(da - dc)) CBI(changed_dir, Z_AXIS);
+    if (!db)        CBI(changed_dir, Y_AXIS);
+  #elif CORE_IS_YZ
+    if (!(db + dc)) CBI(changed_dir, Y_AXIS);
+    if (!(db - dc)) CBI(changed_dir, Z_AXIS);
+    if (!da)        CBI(changed_dir, X_AXIS);
+  #endif
   last_direction_bits ^= changed_dir;
 
   if (correction == 0) return;
@@ -90,7 +104,7 @@ void Backlash::add_correction_steps(const int32_t &da, const int32_t &db, const
 
   const float f_corr = float(correction) / 255.0f;
 
-  LOOP_XYZ(axis) {
+  LOOP_LINEAR_AXES(axis) {
     if (distance_mm[axis]) {
       const bool reversing = TEST(dm,axis);
 
@@ -105,18 +119,35 @@ void Backlash::add_correction_steps(const int32_t &da, const int32_t &db, const
           // Take up a portion of the residual_error in this segment, but only when
           // the current segment travels in the same direction as the correction
           if (reversing == (error_correction < 0)) {
-            if (segment_proportion == 0)
-              segment_proportion = _MIN(1.0f, block->millimeters / smoothing_mm);
+            if (segment_proportion == 0) segment_proportion = _MIN(1.0f, block->millimeters / smoothing_mm);
             error_correction = CEIL(segment_proportion * error_correction);
           }
           else
             error_correction = 0; // Don't take up any backlash in this segment, as it would subtract steps
         }
       #endif
-      // Making a correction reduces the residual error and adds block steps
+
+      // This correction reduces the residual error and adds block steps
       if (error_correction) {
         block->steps[axis] += ABS(error_correction);
-        residual_error[axis] -= error_correction;
+        #if ENABLED(CORE_BACKLASH)
+          switch (axis) {
+            case CORE_AXIS_1:
+              //block->steps[CORE_AXIS_2] += influence_distance_mm[axis] * planner.settings.axis_steps_per_mm[CORE_AXIS_2];
+              //SERIAL_ECHOLNPAIR("CORE_AXIS_1 dir change. distance=", distance_mm[axis], " r.err=", residual_error[axis],
+              //  " da=", da, " db=", db, " block->steps[axis]=", block->steps[axis], " err_corr=", error_correction);
+              break;
+            case CORE_AXIS_2:
+              //block->steps[CORE_AXIS_1] += influence_distance_mm[axis] * planner.settings.axis_steps_per_mm[CORE_AXIS_1];;
+              //SERIAL_ECHOLNPAIR("CORE_AXIS_2 dir change. distance=", distance_mm[axis], " r.err=", residual_error[axis],
+              //  " da=", da, " db=", db, " block->steps[axis]=", block->steps[axis], " err_corr=", error_correction);
+              break;
+            case NORMAL_AXIS: break;
+          }
+          residual_error[axis] = 0; // No residual_error needed for next CORE block, I think...
+        #else
+          residual_error[axis] -= error_correction;
+        #endif
       }
     }
   }

Marlin/src/feature/bedlevel/bedlevel.cpp

@@ -213,27 +213,27 @@ void reset_bed_level() {
 
   void _manual_goto_xy(const xy_pos_t &pos) {
 
+    // Get the resting Z position for after the XY move
     #ifdef MANUAL_PROBE_START_Z
-      constexpr float startz = _MAX(0, MANUAL_PROBE_START_Z);
-      #if MANUAL_PROBE_HEIGHT > 0
-        do_blocking_move_to_xy_z(pos, MANUAL_PROBE_HEIGHT);
-        do_blocking_move_to_z(startz);
-      #else
-        do_blocking_move_to_xy_z(pos, startz);
-      #endif
-    #elif MANUAL_PROBE_HEIGHT > 0
-      const float prev_z = current_position.z;
-      do_blocking_move_to_xy_z(pos, MANUAL_PROBE_HEIGHT);
-      do_blocking_move_to_z(prev_z);
+      constexpr float finalz = _MAX(0, MANUAL_PROBE_START_Z); // If a MANUAL_PROBE_START_Z value is set, always respect it
     #else
-      do_blocking_move_to_xy(pos);
+      #warning "It's recommended to set some MANUAL_PROBE_START_Z value for manual leveling."
+    #endif
+    #if Z_CLEARANCE_BETWEEN_MANUAL_PROBES > 0     // A probe/obstacle clearance exists so there is a raise:
+      #ifndef MANUAL_PROBE_START_Z
+        const float finalz = current_position.z;  // - Use the current Z for starting-Z if no MANUAL_PROBE_START_Z was provided
+      #endif
+      do_blocking_move_to_xy_z(pos, Z_CLEARANCE_BETWEEN_MANUAL_PROBES); // - Raise Z, then move to the new XY
+      do_blocking_move_to_z(finalz);              // - Lower down to the starting Z height, ready for adjustment!
+    #elif defined(MANUAL_PROBE_START_Z)           // A starting-Z was provided, but there's no raise:
+      do_blocking_move_to_xy_z(pos, finalz);      // - Move in XY then down to the starting Z height, ready for adjustment!
+    #else                                         // Zero raise and no starting Z height either:
+      do_blocking_move_to_xy(pos);                // - Move over with no raise, ready for adjustment!
     #endif
-
-    current_position = pos;
 
     TERN_(LCD_BED_LEVELING, ui.wait_for_move = false);
   }
 
-#endif
+#endif // MESH_BED_LEVELING || PROBE_MANUALLY
 
 #endif // HAS_LEVELING

Marlin/src/feature/bedlevel/mbl/mesh_bed_leveling.h

@@ -103,9 +103,7 @@ public:
   }
 
   static float get_z(const xy_pos_t &pos
-    #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
-      , const_float_t factor=1.0f
-    #endif
+    OPTARG(ENABLE_LEVELING_FADE_HEIGHT, const_float_t factor=1.0f)
   ) {
     #if DISABLED(ENABLE_LEVELING_FADE_HEIGHT)
       constexpr float factor = 1.0f;

Marlin/src/feature/bedlevel/ubl/ubl.cpp

@@ -35,6 +35,7 @@ unified_bed_leveling ubl;
 #include "../../../module/planner.h"
 #include "../../../module/motion.h"
 #include "../../../module/probe.h"
+#include "../../../module/temperature.h"
 
 #if ENABLED(EXTENSIBLE_UI)
   #include "../../../lcd/extui/ui_api.h"
@@ -254,4 +255,48 @@ bool unified_bed_leveling::sanity_check() {
   return !!error_flag;
 }
 
+#if ENABLED(UBL_MESH_WIZARD)
+
+  /**
+   * M1004: UBL Mesh Wizard - One-click mesh creation with or without a probe
+   */
+  void GcodeSuite::M1004() {
+
+    #define ALIGN_GCODE TERN(Z_STEPPER_AUTO_ALIGN, "G34", "")
+    #define PROBE_GCODE TERN(HAS_BED_PROBE, "G29P1\nG29P3", "G29P4R255")
+
+    #if HAS_HOTEND
+      if (parser.seenval('H')) {                          // Handle H# parameter to set Hotend temp
+        const celsius_t hotend_temp = parser.value_int(); // Marlin never sends itself F or K, always C
+        thermalManager.setTargetHotend(hotend_temp, 0);
+        thermalManager.wait_for_hotend(false);
+      }
+    #endif
+
+    #if HAS_HEATED_BED
+      if (parser.seenval('B')) {                        // Handle B# parameter to set Bed temp
+        const celsius_t bed_temp = parser.value_int();  // Marlin never sends itself F or K, always C
+        thermalManager.setTargetBed(bed_temp);
+        thermalManager.wait_for_bed(false);
+      }
+    #endif
+
+    process_subcommands_now_P(G28_STR);               // Home
+    process_subcommands_now_P(PSTR(ALIGN_GCODE "\n"   // Align multi z axis if available
+                                   PROBE_GCODE "\n"   // Build mesh with available hardware
+                                   "G29P3\nG29P3"));  // Ensure mesh is complete by running smart fill twice
+
+    if (parser.seenval('S')) {
+      char umw_gcode[32];
+      sprintf_P(umw_gcode, PSTR("G29S%i"), parser.value_int());
+      queue.inject(umw_gcode);
+    }
+
+    process_subcommands_now_P(PSTR("G29A\nG29F10\n"   // Set UBL Active & Fade 10
+                                   "M140S0\nM104S0\n" // Turn off heaters
+                                   "M500"));          // Store settings
+  }
+
+#endif // UBL_MESH_WIZARD
+
 #endif // AUTO_BED_LEVELING_UBL

Marlin/src/feature/bedlevel/ubl/ubl.h

@@ -32,7 +32,7 @@
 #define UBL_OK false
 #define UBL_ERR true
 
-enum MeshPointType : char { INVALID, REAL, SET_IN_BITMAP };
+enum MeshPointType : char { INVALID, REAL, SET_IN_BITMAP, CLOSEST };
 
 // External references
 

Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp

@@ -306,7 +306,7 @@ void unified_bed_leveling::G29() {
   if (G29_parse_parameters()) return; // Abort on parameter error
 
   const int8_t p_val = parser.intval('P', -1);
-  const bool may_move = p_val == 1 || p_val == 2 || p_val == 4 || parser.seen('J');
+  const bool may_move = p_val == 1 || p_val == 2 || p_val == 4 || parser.seen_test('J');
   #if ENABLED(HAS_MULTI_HOTEND)
     const uint8_t old_tool_index = active_extruder;
   #endif
@@ -315,7 +315,7 @@ void unified_bed_leveling::G29() {
   if (may_move) {
     planner.synchronize();
     // Send 'N' to force homing before G29 (internal only)
-    if (axes_should_home() || parser.seen('N')) gcode.home_all_axes();
+    if (axes_should_home() || parser.seen_test('N')) gcode.home_all_axes();
     TERN_(HAS_MULTI_HOTEND, if (active_extruder) tool_change(0));
   }
 
@@ -380,7 +380,7 @@ void unified_bed_leveling::G29() {
         // Allow the user to specify the height because 10mm is a little extreme in some cases.
         for (uint8_t x = (GRID_MAX_POINTS_X) / 3; x < 2 * (GRID_MAX_POINTS_X) / 3; x++)     // Create a rectangular raised area in
           for (uint8_t y = (GRID_MAX_POINTS_Y) / 3; y < 2 * (GRID_MAX_POINTS_Y) / 3; y++) { // the center of the bed
-            z_values[x][y] += parser.seen('C') ? param.C_constant : 9.99f;
+            z_values[x][y] += parser.seen_test('C') ? param.C_constant : 9.99f;
             TERN_(EXTENSIBLE_UI, ExtUI::onMeshUpdate(x, y, z_values[x][y]));
           }
         break;
@@ -389,7 +389,7 @@ void unified_bed_leveling::G29() {
 
   #if HAS_BED_PROBE
 
-    if (parser.seen('J')) {
+    if (parser.seen_test('J')) {
       save_ubl_active_state_and_disable();
       tilt_mesh_based_on_probed_grid(param.J_grid_size == 0); // Zero size does 3-Point
       restore_ubl_active_state_and_leave();
@@ -402,7 +402,7 @@ void unified_bed_leveling::G29() {
 
   #endif // HAS_BED_PROBE
 
-  if (parser.seen('P')) {
+  if (parser.seen_test('P')) {
     if (WITHIN(param.P_phase, 0, 1) && storage_slot == -1) {
       storage_slot = 0;
       SERIAL_ECHOLNPGM("Default storage slot 0 selected.");
@@ -423,7 +423,7 @@ void unified_bed_leveling::G29() {
           //
           // Invalidate Entire Mesh and Automatically Probe Mesh in areas that can be reached by the probe
           //
-          if (!parser.seen('C')) {
+          if (!parser.seen_test('C')) {
             invalidate();
             SERIAL_ECHOLNPGM("Mesh invalidated. Probing mesh.");
           }
@@ -433,7 +433,7 @@ void unified_bed_leveling::G29() {
             SERIAL_DECIMAL(param.XY_pos.y);
             SERIAL_ECHOLNPGM(").\n");
           }
-          probe_entire_mesh(param.XY_pos, parser.seen('T'), parser.seen('E'), parser.seen('U'));
+          probe_entire_mesh(param.XY_pos, parser.seen_test('T'), parser.seen_test('E'), parser.seen_test('U'));
 
           report_current_position();
           probe_deployed = true;
@@ -449,7 +449,7 @@ void unified_bed_leveling::G29() {
           SERIAL_ECHOLNPGM("Manually probing unreachable points.");
           do_z_clearance(Z_CLEARANCE_BETWEEN_PROBES);
 
-          if (parser.seen('C') && !param.XY_seen) {
+          if (parser.seen_test('C') && !param.XY_seen) {
 
             /**
              * Use a good default location for the path.
@@ -483,7 +483,7 @@ void unified_bed_leveling::G29() {
           }
 
           const float height = parser.floatval('H', Z_CLEARANCE_BETWEEN_PROBES);
-          manually_probe_remaining_mesh(param.XY_pos, height, param.B_shim_thickness, parser.seen('T'));
+          manually_probe_remaining_mesh(param.XY_pos, height, param.B_shim_thickness, parser.seen_test('T'));
 
           SERIAL_ECHOLNPGM("G29 P2 finished.");
 
@@ -555,7 +555,7 @@ void unified_bed_leveling::G29() {
 
       case 4: // Fine Tune (i.e., Edit) the Mesh
         #if HAS_LCD_MENU
-          fine_tune_mesh(param.XY_pos, parser.seen('T'));
+          fine_tune_mesh(param.XY_pos, parser.seen_test('T'));
         #else
           SERIAL_ECHOLNPGM("?P4 is only available when an LCD is present.");
           return;
@@ -574,7 +574,7 @@ void unified_bed_leveling::G29() {
     // Much of the 'What?' command can be eliminated. But until we are fully debugged, it is
     // good to have the extra information. Soon... we prune this to just a few items
     //
-    if (parser.seen('W')) g29_what_command();
+    if (parser.seen_test('W')) g29_what_command();
 
     //
     // When we are fully debugged, this may go away. But there are some valid
@@ -640,7 +640,7 @@ void unified_bed_leveling::G29() {
     SERIAL_ECHOLNPGM("Done.");
   }
 
-  if (parser.seen('T'))
+  if (parser.seen_test('T'))
     display_map(param.T_map_type);
 
   LEAVE:
@@ -915,7 +915,7 @@ void set_message_with_feedback(PGM_P const msg_P) {
 
       if (do_ubl_mesh_map) display_map(param.T_map_type);   // Show user where we're probing
 
-      if (parser.seen('B')) {
+      if (parser.seen_test('B')) {
         SERIAL_ECHOPGM_P(GET_TEXT(MSG_UBL_BC_INSERT));
         LCD_MESSAGEPGM(MSG_UBL_BC_INSERT);
       }
@@ -954,7 +954,7 @@ void set_message_with_feedback(PGM_P const msg_P) {
    *          NOTE: Blocks the G-code queue and captures Marlin UI during use.
    */
   void unified_bed_leveling::fine_tune_mesh(const xy_pos_t &pos, const bool do_ubl_mesh_map) {
-    if (!parser.seen('R'))        // fine_tune_mesh() is special. If no repetition count flag is specified
+    if (!parser.seen_test('R')) // fine_tune_mesh() is special. If no repetition count flag is specified
       param.R_repetition = 1;   // do exactly one mesh location. Otherwise use what the parser decided.
 
     #if ENABLED(UBL_MESH_EDIT_MOVES_Z)
@@ -1091,7 +1091,7 @@ bool unified_bed_leveling::G29_parse_parameters() {
     }
   }
 
-  param.V_verbosity = parser.seen('V') ? parser.value_int() : 0;
+  param.V_verbosity = parser.intval('V');
   if (!WITHIN(param.V_verbosity, 0, 4)) {
     SERIAL_ECHOLNPGM("?(V)erbose level implausible (0-4).\n");
     err_flag = true;
@@ -1153,15 +1153,15 @@ bool unified_bed_leveling::G29_parse_parameters() {
    *       Leveling is being enabled here with old data, possibly
    *       none. Error handling should disable for safety...
    */
-  if (parser.seen('A')) {
-    if (parser.seen('D')) {
+  if (parser.seen_test('A')) {
+    if (parser.seen_test('D')) {
       SERIAL_ECHOLNPGM("?Can't activate and deactivate at the same time.\n");
       return UBL_ERR;
     }
     set_bed_leveling_enabled(true);
     report_state();
   }
-  else if (parser.seen('D')) {
+  else if (parser.seen_test('D')) {
     set_bed_leveling_enabled(false);
     report_state();
   }
@@ -1282,7 +1282,7 @@ mesh_index_pair unified_bed_leveling::find_furthest_invalid_mesh_point() {
 
   static bool test_func(uint8_t i, uint8_t j, void *data) {
     find_closest_t *d = (find_closest_t*)data;
-    if ( (d->type == (isnan(ubl.z_values[i][j]) ? INVALID : REAL))
+    if (  d->type == CLOSEST || d->type == (isnan(ubl.z_values[i][j]) ? INVALID : REAL)
       || (d->type == SET_IN_BITMAP && !d->done_flags->marked(i, j))
     ) {
       // Found a Mesh Point of the specified type!
@@ -1326,7 +1326,7 @@ mesh_index_pair unified_bed_leveling::find_closest_mesh_point_of_type(const Mesh
     float best_so_far = 99999.99f;
 
     GRID_LOOP(i, j) {
-      if ( (type == (isnan(z_values[i][j]) ? INVALID : REAL))
+      if (  type == CLOSEST || type == (isnan(z_values[i][j]) ? INVALID : REAL)
         || (type == SET_IN_BITMAP && !done_flags->marked(i, j))
       ) {
         // Found a Mesh Point of the specified type!
@@ -1520,7 +1520,7 @@ void unified_bed_leveling::smart_fill_mesh() {
             SERIAL_ECHOLNPAIR("Tilting mesh point ", point_num, "/", total_points, "\n");
             TERN_(HAS_STATUS_MESSAGE, ui.status_printf_P(0, PSTR(S_FMT " %i/%i"), GET_TEXT(MSG_LCD_TILTING_MESH), point_num, total_points));
 
-            measured_z = probe.probe_at_point(rpos, parser.seen('E') ? PROBE_PT_STOW : PROBE_PT_RAISE, param.V_verbosity); // TODO: Needs error handling
+            measured_z = probe.probe_at_point(rpos, parser.seen_test('E') ? PROBE_PT_STOW : PROBE_PT_RAISE, param.V_verbosity); // TODO: Needs error handling
 
             abort_flag = isnan(measured_z);
 

Marlin/src/feature/bedlevel/ubl/ubl_motion.cpp

@@ -113,20 +113,22 @@
     const xy_float_t ad = sign * dist;
     const bool use_x_dist = ad.x > ad.y;
 
-    float on_axis_distance = use_x_dist ? dist.x : dist.y,
-          e_position = end.e - start.e,
-          z_position = end.z - start.z;
+    float on_axis_distance = use_x_dist ? dist.x : dist.y;
 
-    const float e_normalized_dist = e_position / on_axis_distance, // Allow divide by zero
-                z_normalized_dist = z_position / on_axis_distance;
+    const float z_normalized_dist = (end.z - start.z) / on_axis_distance; // Allow divide by zero
+    #if HAS_EXTRUDERS
+      const float e_normalized_dist = (end.e - start.e) / on_axis_distance;
+      const bool inf_normalized_flag = isinf(e_normalized_dist);
+    #endif
 
     xy_int8_t icell = istart;
 
     const float ratio = dist.y / dist.x,        // Allow divide by zero
                 c = start.y - ratio * start.x;
 
-    const bool inf_normalized_flag = isinf(e_normalized_dist),
-               inf_ratio_flag = isinf(ratio);
+    const bool inf_ratio_flag = isinf(ratio);
+
+    xyze_pos_t dest; // Stores XYZE for segmented moves
 
     /**
      * Handle vertical lines that stay within one column.
@@ -143,34 +145,36 @@
          * For others the next X is the same so this can continue.
          * Calculate X at the next Y mesh line.
          */
-        const float rx = inf_ratio_flag ? start.x : (next_mesh_line_y - c) / ratio;
+        dest.x = inf_ratio_flag ? start.x : (next_mesh_line_y - c) / ratio;
 
-        float z0 = z_correction_for_x_on_horizontal_mesh_line(rx, icell.x, icell.y)
+        float z0 = z_correction_for_x_on_horizontal_mesh_line(dest.x, icell.x, icell.y)
                    * planner.fade_scaling_factor_for_z(end.z);
 
         // Undefined parts of the Mesh in z_values[][] are NAN.
         // Replace NAN corrections with 0.0 to prevent NAN propagation.
         if (isnan(z0)) z0 = 0.0;
 
-        const float ry = mesh_index_to_ypos(icell.y);
+        dest.y = mesh_index_to_ypos(icell.y);
 
         /**
          * Without this check, it's possible to generate a zero length move, as in the case where
          * the line is heading down, starting exactly on a mesh line boundary. Since this is rare
          * it might be fine to remove this check and let planner.buffer_segment() filter it out.
          */
-        if (ry != start.y) {
+        if (dest.y != start.y) {
           if (!inf_normalized_flag) { // fall-through faster than branch
-            on_axis_distance = use_x_dist ? rx - start.x : ry - start.y;
-            e_position = start.e + on_axis_distance * e_normalized_dist;
-            z_position = start.z + on_axis_distance * z_normalized_dist;
+            on_axis_distance = use_x_dist ? dest.x - start.x : dest.y - start.y;
+            TERN_(HAS_EXTRUDERS, dest.e = start.e + on_axis_distance * e_normalized_dist);
+            dest.z = start.z + on_axis_distance * z_normalized_dist;
           }
           else {
-            e_position = end.e;
-            z_position = end.z;
+            TERN_(HAS_EXTRUDERS, dest.e = end.e);
+            dest.z = end.z;
           }
 
-          planner.buffer_segment(rx, ry, z_position + z0, e_position, scaled_fr_mm_s, extruder);
+          dest.z += z0;
+          planner.buffer_segment(dest, scaled_fr_mm_s, extruder);
+
         } //else printf("FIRST MOVE PRUNED  ");
       }
 
@@ -188,12 +192,13 @@
      */
     if (iadd.y == 0) {      // Horizontal line?
       icell.x += ineg.x;     // Heading left? Just go to the left edge of the cell for the first move.
+
       while (icell.x != iend.x + ineg.x) {
         icell.x += iadd.x;
-        const float rx = mesh_index_to_xpos(icell.x);
-        const float ry = ratio * rx + c;    // Calculate Y at the next X mesh line
+        dest.x = mesh_index_to_xpos(icell.x);
+        dest.y = ratio * dest.x + c;    // Calculate Y at the next X mesh line
 
-        float z0 = z_correction_for_y_on_vertical_mesh_line(ry, icell.x, icell.y)
+        float z0 = z_correction_for_y_on_vertical_mesh_line(dest.y, icell.x, icell.y)
                      * planner.fade_scaling_factor_for_z(end.z);
 
         // Undefined parts of the Mesh in z_values[][] are NAN.
@@ -205,19 +210,20 @@
          * the line is heading left, starting exactly on a mesh line boundary. Since this is rare
          * it might be fine to remove this check and let planner.buffer_segment() filter it out.
          */
-        if (rx != start.x) {
+        if (dest.x != start.x) {
           if (!inf_normalized_flag) {
-            on_axis_distance = use_x_dist ? rx - start.x : ry - start.y;
-            e_position = start.e + on_axis_distance * e_normalized_dist;  // is based on X or Y because this is a horizontal move
-            z_position = start.z + on_axis_distance * z_normalized_dist;
+            on_axis_distance = use_x_dist ? dest.x - start.x : dest.y - start.y;
+            TERN_(HAS_EXTRUDERS, dest.e = start.e + on_axis_distance * e_normalized_dist); // Based on X or Y because the move is horizontal
+            dest.z = start.z + on_axis_distance * z_normalized_dist;
           }
           else {
-            e_position = end.e;
-            z_position = end.z;
+            TERN_(HAS_EXTRUDERS, dest.e = end.e);
+            dest.z = end.z;
           }
 
-          if (!planner.buffer_segment(rx, ry, z_position + z0, e_position, scaled_fr_mm_s, extruder))
-            break;
+          dest.z += z0;
+          if (!planner.buffer_segment(dest, scaled_fr_mm_s, extruder)) break;
+
         } //else printf("FIRST MOVE PRUNED  ");
       }
 
@@ -239,57 +245,65 @@
     while (cnt) {
 
       const float next_mesh_line_x = mesh_index_to_xpos(icell.x + iadd.x),
-                  next_mesh_line_y = mesh_index_to_ypos(icell.y + iadd.y),
-                  ry = ratio * next_mesh_line_x + c,    // Calculate Y at the next X mesh line
-                  rx = (next_mesh_line_y - c) / ratio;  // Calculate X at the next Y mesh line
-                                                        // (No need to worry about ratio == 0.
-                                                        //  In that case, it was already detected
-                                                        //  as a vertical line move above.)
+                  next_mesh_line_y = mesh_index_to_ypos(icell.y + iadd.y);
 
-      if (neg.x == (rx > next_mesh_line_x)) { // Check if we hit the Y line first
+      dest.y = ratio * next_mesh_line_x + c;    // Calculate Y at the next X mesh line
+      dest.x = (next_mesh_line_y - c) / ratio;  // Calculate X at the next Y mesh line
+                                                // (No need to worry about ratio == 0.
+                                                //  In that case, it was already detected
+                                                //  as a vertical line move above.)
+
+      if (neg.x == (dest.x > next_mesh_line_x)) { // Check if we hit the Y line first
         // Yes!  Crossing a Y Mesh Line next
-        float z0 = z_correction_for_x_on_horizontal_mesh_line(rx, icell.x - ineg.x, icell.y + iadd.y)
+        float z0 = z_correction_for_x_on_horizontal_mesh_line(dest.x, icell.x - ineg.x, icell.y + iadd.y)
                    * planner.fade_scaling_factor_for_z(end.z);
 
         // Undefined parts of the Mesh in z_values[][] are NAN.
         // Replace NAN corrections with 0.0 to prevent NAN propagation.
         if (isnan(z0)) z0 = 0.0;
 
+        dest.y = next_mesh_line_y;
+
         if (!inf_normalized_flag) {
-          on_axis_distance = use_x_dist ? rx - start.x : next_mesh_line_y - start.y;
-          e_position = start.e + on_axis_distance * e_normalized_dist;
-          z_position = start.z + on_axis_distance * z_normalized_dist;
+          on_axis_distance = use_x_dist ? dest.x - start.x : dest.y - start.y;
+          TERN_(HAS_EXTRUDERS, dest.e = start.e + on_axis_distance * e_normalized_dist);
+          dest.z = start.z + on_axis_distance * z_normalized_dist;
         }
         else {
-          e_position = end.e;
-          z_position = end.z;
+          TERN_(HAS_EXTRUDERS, dest.e = end.e);
+          dest.z = end.z;
         }
-        if (!planner.buffer_segment(rx, next_mesh_line_y, z_position + z0, e_position, scaled_fr_mm_s, extruder))
-          break;
+
+        dest.z += z0;
+        if (!planner.buffer_segment(dest, scaled_fr_mm_s, extruder)) break;
+
         icell.y += iadd.y;
         cnt.y--;
       }
       else {
         // Yes!  Crossing a X Mesh Line next
-        float z0 = z_correction_for_y_on_vertical_mesh_line(ry, icell.x + iadd.x, icell.y - ineg.y)
+        float z0 = z_correction_for_y_on_vertical_mesh_line(dest.y, icell.x + iadd.x, icell.y - ineg.y)
                    * planner.fade_scaling_factor_for_z(end.z);
 
         // Undefined parts of the Mesh in z_values[][] are NAN.
         // Replace NAN corrections with 0.0 to prevent NAN propagation.
         if (isnan(z0)) z0 = 0.0;
 
+        dest.x = next_mesh_line_x;
+
         if (!inf_normalized_flag) {
-          on_axis_distance = use_x_dist ? next_mesh_line_x - start.x : ry - start.y;
-          e_position = start.e + on_axis_distance * e_normalized_dist;
-          z_position = start.z + on_axis_distance * z_normalized_dist;
+          on_axis_distance = use_x_dist ? dest.x - start.x : dest.y - start.y;
+          TERN_(HAS_EXTRUDERS, dest.e = start.e + on_axis_distance * e_normalized_dist);
+          dest.z = start.z + on_axis_distance * z_normalized_dist;
         }
         else {
-          e_position = end.e;
-          z_position = end.z;
+          TERN_(HAS_EXTRUDERS, dest.e = end.e);
+          dest.z = end.z;
         }
 
-        if (!planner.buffer_segment(next_mesh_line_x, ry, z_position + z0, e_position, scaled_fr_mm_s, extruder))
-          break;
+        dest.z += z0;
+        if (!planner.buffer_segment(dest, scaled_fr_mm_s, extruder)) break;
+
         icell.x += iadd.x;
         cnt.x--;
       }
@@ -362,15 +376,11 @@
       while (--segments) {
         raw += diff;
         planner.buffer_line(raw, scaled_fr_mm_s, active_extruder, segment_xyz_mm
-          #if ENABLED(SCARA_FEEDRATE_SCALING)
-            , inv_duration
-          #endif
+          OPTARG(SCARA_FEEDRATE_SCALING, inv_duration)
         );
       }
       planner.buffer_line(destination, scaled_fr_mm_s, active_extruder, segment_xyz_mm
-        #if ENABLED(SCARA_FEEDRATE_SCALING)
-          , inv_duration
-        #endif
+        OPTARG(SCARA_FEEDRATE_SCALING, inv_duration)
       );
       return false; // Did not set current from destination
     }
@@ -442,11 +452,9 @@
           #endif
         ;
 
-        planner.buffer_line(raw.x, raw.y, raw.z + z_cxcy, raw.e, scaled_fr_mm_s, active_extruder, segment_xyz_mm
-          #if ENABLED(SCARA_FEEDRATE_SCALING)
-            , inv_duration
-          #endif
-        );
+        const float oldz = raw.z; raw.z += z_cxcy;
+        planner.buffer_line(raw, scaled_fr_mm_s, active_extruder, segment_xyz_mm OPTARG(SCARA_FEEDRATE_SCALING, inv_duration) );
+        raw.z = oldz;
 
         if (segments == 0)                        // done with last segment
           return false;                           // didn't set current from destination

Marlin/src/feature/cancel_object.cpp

@@ -43,7 +43,7 @@ void CancelObject::set_active_object(const int8_t obj) {
   else
     skipping = false;
 
-  #if HAS_STATUS_MESSAGE
+  #if BOTH(HAS_STATUS_MESSAGE, CANCEL_OBJECTS_REPORTING)
     if (active_object >= 0)
       ui.status_printf_P(0, PSTR(S_FMT " %i"), GET_TEXT(MSG_PRINTING_OBJECT), int(active_object));
     else

Marlin/src/feature/caselight.cpp

@@ -28,10 +28,6 @@
 
 CaseLight caselight;
 
-#if CASE_LIGHT_IS_COLOR_LED
-  #include "leds/leds.h"
-#endif
-
 #if CASELIGHT_USES_BRIGHTNESS && !defined(CASE_LIGHT_DEFAULT_BRIGHTNESS)
   #define CASE_LIGHT_DEFAULT_BRIGHTNESS 0 // For use on PWM pin as non-PWM just sets a default
 #endif
@@ -43,17 +39,9 @@ CaseLight caselight;
 bool CaseLight::on = CASE_LIGHT_DEFAULT_ON;
 
 #if CASE_LIGHT_IS_COLOR_LED
-  LEDColor CaseLight::color =
-    #ifdef CASE_LIGHT_DEFAULT_COLOR
-      CASE_LIGHT_DEFAULT_COLOR
-    #else
-      { 255, 255, 255, 255 }
-    #endif
-  ;
-#endif
-
-#ifndef INVERT_CASE_LIGHT
-  #define INVERT_CASE_LIGHT false
+  #include "leds/leds.h"
+  constexpr uint8_t init_case_light[] = CASE_LIGHT_DEFAULT_COLOR;
+  LEDColor CaseLight::color = { init_case_light[0], init_case_light[1], init_case_light[2] OPTARG(HAS_WHITE_LED, init_case_light[3]) };
 #endif
 
 void CaseLight::update(const bool sflag) {
@@ -72,16 +60,12 @@ void CaseLight::update(const bool sflag) {
     if (sflag && on)
       brightness = brightness_sav;  // Restore last brightness for M355 S1
 
-    const uint8_t i = on ? brightness : 0, n10ct = INVERT_CASE_LIGHT ? 255 - i : i;
+    const uint8_t i = on ? brightness : 0, n10ct = ENABLED(INVERT_CASE_LIGHT) ? 255 - i : i;
+    UNUSED(n10ct);
   #endif
 
   #if CASE_LIGHT_IS_COLOR_LED
-
-    leds.set_color(
-      MakeLEDColor(color.r, color.g, color.b, color.w, n10ct),
-      false
-    );
-
+    leds.set_color(LEDColor(color.r, color.g, color.b OPTARG(HAS_WHITE_LED, color.w), n10ct));
   #else // !CASE_LIGHT_IS_COLOR_LED
 
     #if CASELIGHT_USES_BRIGHTNESS
@@ -96,7 +80,7 @@ void CaseLight::update(const bool sflag) {
       else
     #endif
       {
-        const bool s = on ? !INVERT_CASE_LIGHT : INVERT_CASE_LIGHT;
+        const bool s = on ? TERN(INVERT_CASE_LIGHT, LOW, HIGH) : TERN(INVERT_CASE_LIGHT, HIGH, LOW);
         WRITE(CASE_LIGHT_PIN, s ? HIGH : LOW);
       }