.editorconfig

@@ -14,6 +14,10 @@ end_of_line = lf
 indent_style = space
 indent_size = 2
 
-[{*.py,*.conf,*.sublime-project}]
+[{*.py}]
+indent_style = space
+indent_size = 4
+
+[{*.conf,*.sublime-project}]
 indent_style = tab
 indent_size = 4

.gitignore

@@ -147,6 +147,7 @@ vc-fileutils.settings
 imgui.ini
 eeprom.dat
 spi_flash.bin
+fs.img
 
 #cmake
 CMakeLists.txt

Makefile

@@ -27,7 +27,7 @@ tests-single-ci:
 
 tests-single-local:
 	@if ! test -n "$(TEST_TARGET)" ; then echo "***ERROR*** Set TEST_TARGET=<your-module> or use make tests-all-local" ; return 1; fi
-	export PATH=./buildroot/bin/:./buildroot/tests/:${PATH} \
+	export PATH="./buildroot/bin/:./buildroot/tests/:${PATH}" \
 	  && export VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) \
 	  && run_tests . $(TEST_TARGET) "$(ONLY_TEST)"
 .PHONY: tests-single-local
@@ -38,7 +38,7 @@ tests-single-local-docker:
 .PHONY: tests-single-local-docker
 
 tests-all-local:
-	export PATH=./buildroot/bin/:./buildroot/tests/:${PATH} \
+	export PATH="./buildroot/bin/:./buildroot/tests/:${PATH}" \
 	  && export VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) \
 	  && for TEST_TARGET in $$(./get_test_targets.py) ; do echo "Running tests for $$TEST_TARGET" ; run_tests . $$TEST_TARGET ; done
 .PHONY: tests-all-local

Marlin/Configuration.h

@@ -35,8 +35,7 @@
  *
  * Advanced settings can be found in Configuration_adv.h
  */
-#define CONFIGURATION_H_VERSION 02010100
+#define CONFIGURATION_H_VERSION 02010200
-
 #define ANYCUBIC_TOUCHSCREEN
 #if DISABLED(KNUTWURST_4MAXP2)
   #define ANYCUBIC_FILAMENT_RUNOUT_SENSOR
@@ -222,6 +221,8 @@
 // Choose your own or use a service like https://www.uuidgenerator.net/version4
 // #define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
 
+// @section stepper drivers
+
 /**
  * Stepper Drivers
  *
@@ -346,6 +347,8 @@
   // #define SINGLENOZZLE_STANDBY_FAN
 #endif
 
+// @section multi-material
+
 /**
  * Multi-Material Unit
  * Set to one of these predefined models:
@@ -358,6 +361,7 @@
  *
  * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
  * See additional options in Configuration_adv.h.
+ * :["PRUSA_MMU1", "PRUSA_MMU2", "PRUSA_MMU2S", "EXTENDABLE_EMU_MMU2", "EXTENDABLE_EMU_MMU2S"]
  */
 // #define MMU_MODEL PRUSA_MMU2
 
@@ -597,7 +601,7 @@
  *    30 : 100kΩ  Kis3d Silicone heating mat 200W/300W with 6mm precision cast plate (EN AW 5083) NTC100K - beta 3950
  *    60 : 100kΩ  Maker's Tool Works Kapton Bed Thermistor - beta 3950
  *    61 : 100kΩ  Formbot/Vivedino 350°C Thermistor - beta 3950
- *    66 : 4.7MΩ  Dyze Design High Temperature Thermistor
+ *    66 : 4.7MΩ  Dyze Design / Trianglelab T-D500 500°C High Temperature Thermistor
  *    67 : 500kΩ  SliceEngineering 450°C Thermistor
  *    68 : PT100 amplifier board from Dyze Design
  *    70 : 100kΩ  bq Hephestos 2
@@ -619,6 +623,7 @@
  *   110 : Pt100  with 1kΩ pullup (atypical)
  *   147 : Pt100  with 4.7kΩ pullup
  *  1010 : Pt1000 with 1kΩ pullup (atypical)
+ *  1022 : Pt1000 with 2.2kΩ pullup
  *  1047 : Pt1000 with 4.7kΩ pullup (E3D)
  *    20 : Pt100  with circuit in the Ultimainboard V2.x with mainboard ADC reference voltage = INA826 amplifier-board supply voltage.
  *                NOTE: (1) Must use an ADC input with no pullup. (2) Some INA826 amplifiers are unreliable at 3.3V so consider using sensor 147, 110, or 21.
@@ -672,6 +677,10 @@
   #define MAX31865_SENSOR_OHMS_1      100
   #define MAX31865_CALIBRATION_OHMS_1 430
 #endif
+#if TEMP_SENSOR_IS_MAX_TC(2)
+  #define MAX31865_SENSOR_OHMS_2      100
+  #define MAX31865_CALIBRATION_OHMS_2 430
+#endif
 
 #if HAS_E_TEMP_SENSOR
   #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109
@@ -1020,7 +1029,7 @@
 // #define POLARGRAPH
 #if ENABLED(POLARGRAPH)
   #define POLARGRAPH_MAX_BELT_LEN 1035.0
-  #define POLAR_SEGMENTS_PER_SECOND 5
+  #define DEFAULT_SEGMENTS_PER_SECOND 5
 #endif
 
 // @section delta
@@ -1032,28 +1041,26 @@
   // Make delta curves from many straight lines (linear interpolation).
   // This is a trade-off between visible corners (not enough segments)
   // and processor overload (too many expensive sqrt calls).
-  #define DELTA_SEGMENTS_PER_SECOND 200
+  #define DEFAULT_SEGMENTS_PER_SECOND 200
 
   // After homing move down to a height where XY movement is unconstrained
   // #define DELTA_HOME_TO_SAFE_ZONE
 
   // Delta calibration menu
-  // uncomment to add three points calibration menu option.
+  // Add three-point calibration to the MarlinUI menu.
   // See http://minow.blogspot.com/index.html#4918805519571907051
   // #define DELTA_CALIBRATION_MENU
 
-  // uncomment to add G33 Delta Auto-Calibration (Enable EEPROM_SETTINGS to store results)
+  // G33 Delta Auto-Calibration. Enable EEPROM_SETTINGS to store results.
   // #define DELTA_AUTO_CALIBRATION
 
-  // NOTE NB all values for DELTA_* values MUST be floating point, so always have a decimal point in them
-
   #if ENABLED(DELTA_AUTO_CALIBRATION)
-    // set the default number of probe points : n*n (1 -> 7)
+    // Default number of probe points : n*n (1 -> 7)
     #define DELTA_CALIBRATION_DEFAULT_POINTS 4
   #endif
 
   #if EITHER(DELTA_AUTO_CALIBRATION, DELTA_CALIBRATION_MENU)
-    // Set the steprate for papertest probing
+    // Step size for paper-test probing
     #define PROBE_MANUALLY_STEP 0.05      // (mm)
   #endif
 
@@ -1098,7 +1105,7 @@
 // #define MP_SCARA
 #if EITHER(MORGAN_SCARA, MP_SCARA)
   // If movement is choppy try lowering this value
-  #define SCARA_SEGMENTS_PER_SECOND 200
+  #define DEFAULT_SEGMENTS_PER_SECOND 200
 
   // Length of inner and outer support arms. Measure arm lengths precisely.
   #define SCARA_LINKAGE_1 150       // (mm)
@@ -1134,18 +1141,18 @@
 // Enable for TPARA kinematics and configure below
 // #define AXEL_TPARA
 #if ENABLED(AXEL_TPARA)
-  #define DEBUG_ROBOT_KINEMATICS
+  #define DEBUG_TPARA_KINEMATICS
-  #define ROBOT_SEGMENTS_PER_SECOND 200
+  #define DEFAULT_SEGMENTS_PER_SECOND 200
 
   // Length of inner and outer support arms. Measure arm lengths precisely.
-  #define ROBOT_LINKAGE_1 120       // (mm)
+  #define TPARA_LINKAGE_1 120       // (mm)
-  #define ROBOT_LINKAGE_2 120       // (mm)
+  #define TPARA_LINKAGE_2 120       // (mm)
 
   // SCARA tower offset (position of Tower relative to bed zero position)
   // This needs to be reasonably accurate as it defines the printbed position in the SCARA space.
-  #define ROBOT_OFFSET_X    0       // (mm)
+  #define TPARA_OFFSET_X    0       // (mm)
-  #define ROBOT_OFFSET_Y    0       // (mm)
+  #define TPARA_OFFSET_Y    0       // (mm)
-  #define ROBOT_OFFSET_Z    0       // (mm)
+  #define TPARA_OFFSET_Z    0       // (mm)
 
   #define SCARA_FEEDRATE_SCALING  // Convert XY feedrate from mm/s to degrees/s on the fly
 
@@ -1998,7 +2005,7 @@
 #define DISABLE_E false             // Disable the extruder when not stepping
 #define DISABLE_INACTIVE_EXTRUDER   // Keep only the active extruder enabled
 
-// @section machine
+// @section motion
 
 #if DISABLED(KNUTWURST_TMC)
   #if ANY(KNUTWURST_MEGA, KNUTWURST_MEGA_S, KNUTWURST_MEGA_X)
@@ -2519,17 +2526,21 @@
 #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.
+   * Gradually reduce leveling correction until a set height is reached,
-  // The height can be set with M420 Z<height>
+   * 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 0.0 // (mm) Default fade height.
   #endif
 
-  // For Cartesian machines, instead of dividing moves on mesh boundaries,
+  /**
-  // split up moves into short segments like a Delta. This follows the
+   * For Cartesian machines, instead of dividing moves on mesh boundaries,
-  // contours of the bed more closely than edge-to-edge straight moves.
+   * split up moves into short segments like a Delta. This follows the
+   * contours of the bed more closely than edge-to-edge straight moves.
+   */
   #define SEGMENT_LEVELED_MOVES
   #define LEVELED_SEGMENT_LENGTH 5.0 // (mm) Length of all segments (except the last one)
 
@@ -2758,9 +2769,8 @@
   #define XY_DIAG_BD 282.8427124746
   #define XY_SIDE_AD 200
 
-  // Or, set the default skew factors directly here
+  // Or, set the XY skew factor directly:
-  // to override the above measurements:
+  // #define XY_SKEW_FACTOR 0.0
-  #define XY_SKEW_FACTOR 0.0
 
   // #define SKEW_CORRECTION_FOR_Z
   #if ENABLED(SKEW_CORRECTION_FOR_Z)
@@ -2769,8 +2779,10 @@
     #define YZ_DIAG_AC 282.8427124746
     #define YZ_DIAG_BD 282.8427124746
     #define YZ_SIDE_AD 200
-    #define XZ_SKEW_FACTOR 0.0
+
-    #define YZ_SKEW_FACTOR 0.0
+    // Or, set the Z skew factors directly:
+    // #define XZ_SKEW_FACTOR 0.0
+    // #define YZ_SKEW_FACTOR 0.0
   #endif
 
   // Enable this option for M852 to set skew at runtime
@@ -2828,7 +2840,7 @@
 // @section temperature
 
 //
-// Preheat Constants - Up to 6 are supported without changes
+// Preheat Constants - Up to 10 are supported without changes
 //
 #define PREHEAT_1_LABEL       "PLA"
 #define PREHEAT_1_TEMP_HOTEND 180
@@ -2986,7 +2998,7 @@
  */
 #define PRINTCOUNTER
 #if ENABLED(PRINTCOUNTER)
-  #define PRINTCOUNTER_SAVE_INTERVAL 60 // (minutes) EEPROM save interval during print
+  #define PRINTCOUNTER_SAVE_INTERVAL 60 // (minutes) EEPROM save interval during print. A value of 0 will save stats at end of print.
 #endif
 
 // @section security
@@ -3368,7 +3380,7 @@
 
 //
 // ReprapWorld Graphical LCD
-// https://reprapworld.com/?products_details&products_id/1218
+// https://reprapworld.com/electronics/3d-printer-modules/autonomous-printing/graphical-lcd-screen-v1-0/
 //
 // #define REPRAPWORLD_GRAPHICAL_LCD
 
@@ -3623,6 +3635,7 @@
 // #define ANYCUBIC_LCD_CHIRON
 #if EITHER(ANYCUBIC_LCD_I3MEGA, ANYCUBIC_LCD_CHIRON)
   // #define ANYCUBIC_LCD_DEBUG
+  // #define ANYCUBIC_LCD_GCODE_EXT  // Add ".gcode" to menu entries for DGUS clone compatibility
 #endif
 
 //
@@ -3691,7 +3704,7 @@
 // #define MKS_ROBIN_TFT_V1_1R
 
 //
-// 480x320, 3.5", FSMC Stock Display from TronxXY
+// 480x320, 3.5", FSMC Stock Display from Tronxy
 //
 // #define TFT_TRONXY_X5SA
 
@@ -3758,6 +3771,10 @@
 // #define TFT_COLOR_UI
 // #define TFT_LVGL_UI
 
+#if ENABLED(TFT_COLOR_UI)
+  // #define TFT_SHARED_SPI   // SPI is shared between TFT display and other devices. Disable async data transfer
+#endif
+
 #if ENABLED(TFT_LVGL_UI)
   // #define MKS_WIFI_MODULE  // MKS WiFi module
 #endif
@@ -3793,7 +3810,8 @@
   #define BUTTON_DELAY_EDIT      50 // (ms) Button repeat delay for edit screens
   #define BUTTON_DELAY_MENU     250 // (ms) Button repeat delay for menus
 
-  // #define TOUCH_IDLE_SLEEP 300 // (s) Turn off the TFT backlight if set (5mn)
+  // #define DISABLE_ENCODER         // Disable the click encoder, if any
+  // #define TOUCH_IDLE_SLEEP_MINS 5 // (minutes) Display Sleep after a period of inactivity. Set with M255 S.
 
   #define TOUCH_SCREEN_CALIBRATION
 
@@ -3884,16 +3902,19 @@
  * luminance values can be set from 0 to 255.
  * For NeoPixel LED an overall brightness parameter is also available.
  *
- * *** CAUTION ***
+ *  === CAUTION ===
  *  LED Strips require a MOSFET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
+ *
  *  NOTE: A separate 5V power supply is required! The NeoPixel LED needs
  *  more current than the Arduino 5V linear regulator can produce.
- * *** CAUTION ***
  *
- * LED Type. Enable only one of the following two options.
+ *  Requires PWM frequency between 50 <> 100Hz (Check HAL or variant)
+ *  Use FAST_PWM_FAN, if possible, to reduce fan noise.
  */
+
+// LED Type. Enable only one of the following two options:
 // #define RGB_LED
 // #define RGBW_LED
 
@@ -3902,6 +3923,10 @@
   // #define RGB_LED_G_PIN 43
   // #define RGB_LED_B_PIN 35
   // #define RGB_LED_W_PIN -1
+  // #define RGB_STARTUP_TEST              // For PWM pins, fade between all colors
+  #if ENABLED(RGB_STARTUP_TEST)
+    #define RGB_STARTUP_TEST_INNER_MS 10  // (ms) Reduce or increase fading speed
+  #endif
 #endif
 
 // Support for Adafruit NeoPixel LED driver
@@ -3923,6 +3948,7 @@
     #define NEOPIXEL2_PIXELS           15 // Number of LEDs in the second strip
     #define NEOPIXEL2_BRIGHTNESS      127 // Initial brightness (0-255)
     #define NEOPIXEL2_STARTUP_TEST        // Cycle through colors at startup
+    #define NEOPIXEL_M150_DEFAULT      -1 // Default strip for M150 without 'S'. Use -1 to set all by default.
   #else
     // #define NEOPIXEL2_INSERIES          // Default behavior is NeoPixel 2 in parallel
   #endif

Marlin/Configuration_adv.h

@@ -30,7 +30,7 @@
  *
  * Basic settings can be found in Configuration.h
  */
-#define CONFIGURATION_ADV_H_VERSION 02010100
+#define CONFIGURATION_ADV_H_VERSION 02010200
 
 // @section develop
 
@@ -48,7 +48,7 @@
  *  3 = schema.json - The entire configuration schema. (13 = pattern groups)
  *  4 = schema.yml - The entire configuration schema.
  */
-// #define CONFIG_EXPORT   // :[1:'JSON', 2:'config.ini', 3:'schema.json', 4:'schema.yml']
+// #define CONFIG_EXPORT 2 // :[1:'JSON', 2:'config.ini', 3:'schema.json', 4:'schema.yml']
 
 #define KNUTWURST_MEGAS_ADV
 #define KNUTWURST_TMC_ADV
@@ -178,6 +178,7 @@
 // #define TEMP_SENSOR_FORCE_HW_SPI                // Ignore SCK/MOSI/MISO pins; use CS and the default SPI bus.
 // #define MAX31865_SENSOR_WIRES_0 2               // (2-4) Number of wires for the probe connected to a MAX31865 board.
 // #define MAX31865_SENSOR_WIRES_1 2
+// #define MAX31865_SENSOR_WIRES_2 2
 
 // #define MAX31865_50HZ_FILTER                    // Use a 50Hz filter instead of the default 60Hz.
 // #define MAX31865_USE_READ_ERROR_DETECTION       // Treat value spikes (20°C delta in under 1s) as read errors.
@@ -188,6 +189,7 @@
 
 // #define MAX31865_WIRE_OHMS_0              0.95f // For 2-wire, set the wire resistances for more accurate readings.
 // #define MAX31865_WIRE_OHMS_1              0.0f
+// #define MAX31865_WIRE_OHMS_2              0.0f
 
 /**
  * Hephestos 2 24V heated bed upgrade kit.
@@ -507,18 +509,22 @@
   // #define MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED 0
 #endif
 
-// The number of milliseconds a hotend will preheat before starting to check
+/**
-// the temperature. This value should NOT be set to the time it takes the
+ * The number of milliseconds a hotend will preheat before starting to check
-// hot end to reach the target temperature, but the time it takes to reach
+ * the temperature. This value should NOT be set to the time it takes the
-// the minimum temperature your thermistor can read. The lower the better/safer.
+ * hot end to reach the target temperature, but the time it takes to reach
-// This shouldn't need to be more than 30 seconds (30000)
+ * the minimum temperature your thermistor can read. The lower the better/safer.
+ * This shouldn't need to be more than 30 seconds (30000)
+ */
 // #define MILLISECONDS_PREHEAT_TIME 0
 
 // @section extruder
 
-// Extruder runout prevention.
+/**
-// If the machine is idle and the temperature over MINTEMP
+ * Extruder runout prevention.
-// then extrude some filament every couple of SECONDS.
+ * If the machine is idle and the temperature over MINTEMP
+ * then extrude some filament every couple of SECONDS.
+ */
 // #define EXTRUDER_RUNOUT_PREVENT
 #if ENABLED(EXTRUDER_RUNOUT_PREVENT)
   #define EXTRUDER_RUNOUT_MINTEMP 190
@@ -558,6 +564,7 @@
 #define USE_CONTROLLER_FAN
 #if ENABLED(USE_CONTROLLER_FAN)
   // #define CONTROLLER_FAN_PIN -1           // Set a custom pin for the controller fan
+  // #define CONTROLLER_FAN2_PIN -1          // Set a custom pin for second controller fan
   // #define CONTROLLER_FAN_USE_Z_ONLY       // With this option only the Z axis is considered
   // #define CONTROLLER_FAN_IGNORE_Z         // Ignore Z stepper. Useful when stepper timeout is disabled.
   #define CONTROLLERFAN_SPEED_MIN         0 // (0-255) Minimum speed. (If set below this value the fan is turned off.)
@@ -574,10 +581,14 @@
   #endif
 #endif
 
-// When first starting the main fan, run it at full speed for the
+/**
-// given number of milliseconds.  This gets the fan spinning reliably
+ * Fan Kickstart
-// before setting a PWM value. (Does not work with software PWM for fan on Sanguinololu)
+ * When part cooling or controller fans first start, run at a speed that
-// #define FAN_KICKSTART_TIME 100
+ * gets it spinning reliably for a short time before setting the requested speed.
+ * (Does not work on Sanguinololu with FAN_SOFT_PWM.)
+ */
+// #define FAN_KICKSTART_TIME  100  // (ms)
+// #define FAN_KICKSTART_POWER 180  // 64-255
 
 // Some coolers may require a non-zero "off" state.
 // #define FAN_OFF_PWM  1
@@ -907,6 +918,7 @@
 #if DISABLED(KNUTWURST_CHIRON)
   #define HOMING_BACKOFF_POST_MM { 2, 2, 2 }  // (linear=mm, rotational=°) Backoff from endstops after homing
 #endif
+// #define XY_COUNTERPART_BACKOFF_MM 0         // (mm) Backoff X after homing Y, and vice-versa
 
 // #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
@@ -1358,7 +1370,7 @@
 //
 // LCD Backlight Timeout
 //
-// #define LCD_BACKLIGHT_TIMEOUT 30 // (s) Timeout before turning off the backlight
+// #define LCD_BACKLIGHT_TIMEOUT_MINS 1  // (minutes) Timeout before turning off the backlight
 
 #if HAS_BED_PROBE && EITHER(HAS_MARLINUI_MENU, HAS_TFT_LVGL_UI)
   // #define PROBE_OFFSET_WIZARD       // Add a Probe Z Offset calibration option to the LCD menu
@@ -1435,9 +1447,6 @@
   // 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
-
   // Show the E position (filament used) during printing
   // #define LCD_SHOW_E_TOTAL
 
@@ -1467,21 +1476,29 @@
     #endif
   #endif
 
-#endif // if EITHER(HAS_DISPLAY, DWIN_LCD_PROUI)
+#endif // HAS_DISPLAY || DWIN_LCD_PROUI
 
-// LCD Print Progress options
+// Add 'M73' to set print job progress, overrides Marlin's built-in estimate
-#if EITHER(SDSUPPORT, LCD_SET_PROGRESS_MANUALLY)
+// #define SET_PROGRESS_MANUALLY
-  #if CAN_SHOW_REMAINING_TIME
+#if ENABLED(SET_PROGRESS_MANUALLY)
-    // #define SHOW_REMAINING_TIME         // Display estimated time to completion
+  #define SET_PROGRESS_PERCENT            // Add 'P' parameter to set percentage done
-    #if ENABLED(SHOW_REMAINING_TIME)
+  #define SET_REMAINING_TIME              // Add 'R' parameter to set remaining time
-      // #define USE_M73_REMAINING_TIME    // Use remaining time from M73 command instead of estimation
+  // #define SET_INTERACTION_TIME          // Add 'C' parameter to set time until next filament change or other user interaction
-      // #define ROTATE_PROGRESS_DISPLAY   // Display (P)rogress, (E)lapsed, and (R)emaining time
+  // #define M73_REPORT                    // Report M73 values to host
+  #if BOTH(M73_REPORT, SDSUPPORT)
+    #define M73_REPORT_SD_ONLY            // Report only when printing from SD
   #endif
 #endif
 
-  #if EITHER(HAS_MARLINUI_U8GLIB, EXTENSIBLE_UI)
+// LCD Print Progress options. Multiple times may be displayed in turn.
-    // #define PRINT_PROGRESS_SHOW_DECIMALS // Show progress with decimal digits
+#if HAS_DISPLAY && EITHER(SDSUPPORT, SET_PROGRESS_MANUALLY)
+  #define SHOW_PROGRESS_PERCENT           // Show print progress percentage (doesn't affect progress bar)
+  #define SHOW_ELAPSED_TIME               // Display elapsed printing time (prefix 'E')
+  // #define SHOW_REMAINING_TIME           // Display estimated time to completion (prefix 'R')
+  #if ENABLED(SET_INTERACTION_TIME)
+    #define SHOW_INTERACTION_TIME         // Display time until next user interaction ('C' = filament change)
   #endif
+  // #define PRINT_PROGRESS_SHOW_DECIMALS  // Show/report progress with decimal digits, not all UIs support this
 
   #if EITHER(HAS_MARLINUI_HD44780, IS_TFTGLCD_PANEL)
     // #define LCD_PROGRESS_BAR            // Show a progress bar on HD44780 LCDs for SD printing
@@ -1615,6 +1632,7 @@
 
   // #define LONG_FILENAME_HOST_SUPPORT    // Get the long filename of a file/folder with 'M33 <dosname>' and list long filenames with 'M20 L'
   // #define LONG_FILENAME_WRITE_SUPPORT   // Create / delete files with long filenames via M28, M30, and Binary Transfer Protocol
+  // #define M20_TIMESTAMP_SUPPORT         // Include timestamps by adding the 'T' flag to M20 commands
 
   // #define SCROLL_LONG_FILENAMES         // Scroll long filenames in the SD card menu
 
@@ -1776,7 +1794,7 @@
    * Adds the menu item Configuration > LCD Timeout (m) to set a wait period
    * from 0 (disabled) to 99 minutes.
    */
-  // #define DISPLAY_SLEEP_MINUTES 2  // (minutes) Timeout before turning off the screen
+  // #define DISPLAY_SLEEP_MINUTES 2  // (minutes) Timeout before turning off the screen. Set with M255 S.
 
   /**
    * ST7920-based LCDs can emulate a 16 x 4 character display using
@@ -1830,14 +1848,8 @@
 #endif // HAS_MARLINUI_U8GLIB
 
 #if HAS_MARLINUI_U8GLIB || IS_DWIN_MARLINUI
-  // Show SD percentage next to the progress bar
+  #define MENU_HOLLOW_FRAME           // Enable to save many cycles by drawing a hollow frame on Menu Screens
-  // #define SHOW_SD_PERCENT
+  // #define OVERLAY_GFX_REVERSE       // Swap the CW/CCW indicators in the graphics overlay
-
-  // Enable to save many cycles by drawing a hollow frame on Menu Screens
-  #define MENU_HOLLOW_FRAME
-
-  // Swap the CW/CCW indicators in the graphics overlay
-  // #define OVERLAY_GFX_REVERSE
 #endif
 
 //
@@ -2098,11 +2110,16 @@
  */
 #define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
-  // #define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
+  #if ENABLED(DISTINCT_E_FACTORS)
-  #define LIN_ADVANCE_K 0.0     // Unit: mm compression per 1mm/s extruder speed
+    #define ADVANCE_K { 0.0 }     // (mm) Compression length per 1mm/s extruder speed, per extruder
-  // #define LA_DEBUG            // If enabled, this will generate debug information output over USB.
+  #else
-  #define EXPERIMENTAL_SCURVE   // Enable this option to permit S-Curve Acceleration
+    #define ADVANCE_K 0.0         // (mm) Compression length applying to all extruders
+  #endif
+  // #define ADVANCE_K_EXTRA       // Add a second linear advance constant, configurable with M900 L.
+  // #define LA_DEBUG              // Print debug information to serial during operation. Disable for production use.
+  #define EXPERIMENTAL_SCURVE      // Allow S-Curve Acceleration to be used with LA.
   // #define ALLOW_LOW_EJERK       // Allow a DEFAULT_EJERK value of <10. Recommended for direct drive hotends.
+  // #define EXPERIMENTAL_I2S_LA   // Allow I2S_STEPPER_STREAM to be used with LA. Performance degrades as the LA step rate reaches ~20kHz.
 #endif
 
 // @section leveling
@@ -2580,7 +2597,7 @@
     // Longer prime to clean out a SINGLENOZZLE
     #define TOOLCHANGE_FS_EXTRA_PRIME          0  // (mm) Extra priming length
     #define TOOLCHANGE_FS_PRIME_SPEED    (4.6 * 60) // (mm/min) Extra priming feedrate
-    #define TOOLCHANGE_FS_WIPE_RETRACT         0  // (mm) Retract before cooling for less stringing, better wipe, etc.
+    #define TOOLCHANGE_FS_WIPE_RETRACT         0  // (mm) Cutting retraction out of park, for less stringing, better wipe, etc. Adjust with LCD or M217 G.
 
     // Cool after prime to reduce stringing
     #define TOOLCHANGE_FS_FAN                 -1  // Fan index or -1 to skip
@@ -4209,7 +4226,7 @@
 /**
  * WiFi Support (Espressif ESP32 WiFi)
  */
-// #define WIFISUPPORT         // Marlin embedded WiFi managenent
+// #define WIFISUPPORT         // Marlin embedded WiFi management
 // #define ESP3D_WIFISUPPORT   // ESP3D Library WiFi management (https://github.com/luc-github/ESP3DLib)
 
 #if EITHER(WIFISUPPORT, ESP3D_WIFISUPPORT)

Marlin/Makefile

@@ -307,20 +307,22 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1154)
 else ifeq ($(HARDWARE_MOTHERBOARD),1155)
 # Tenlog D3 Hero IDEX printer
 else ifeq ($(HARDWARE_MOTHERBOARD),1156)
-# Ramps S 1.2 by Sakul.cz (Power outputs: Hotend0, Hotend1, Fan, Bed)
+# Tenlog D3,5,6 Pro IDEX printers
 else ifeq ($(HARDWARE_MOTHERBOARD),1157)
-# Ramps S 1.2 by Sakul.cz (Power outputs: Hotend0, Hotend1, Hotend2, Bed)
+# Ramps S 1.2 by Sakul.cz (Power outputs: Hotend0, Hotend1, Fan, Bed)
 else ifeq ($(HARDWARE_MOTHERBOARD),1158)
-# Ramps S 1.2 by Sakul.cz (Power outputs: Hotend, Fan0, Fan1, Bed)
+# Ramps S 1.2 by Sakul.cz (Power outputs: Hotend0, Hotend1, Hotend2, Bed)
 else ifeq ($(HARDWARE_MOTHERBOARD),1159)
-# Longer LK1 PRO / Alfawise U20 Pro (PRO version)
+# Ramps S 1.2 by Sakul.cz (Power outputs: Hotend, Fan0, Fan1, Bed)
 else ifeq ($(HARDWARE_MOTHERBOARD),1160)
-# Longer LKx PRO / Alfawise Uxx Pro (PRO version)
+# Longer LK1 PRO / Alfawise U20 Pro (PRO version)
 else ifeq ($(HARDWARE_MOTHERBOARD),1161)
-# Zonestar zrib V5.3 (Chinese RAMPS replica)
+# Longer LKx PRO / Alfawise Uxx Pro (PRO version)
 else ifeq ($(HARDWARE_MOTHERBOARD),1162)
-# Pxmalion Core I3
+# Zonestar zrib V5.3 (Chinese RAMPS replica)
 else ifeq ($(HARDWARE_MOTHERBOARD),1163)
+# Pxmalion Core I3
+else ifeq ($(HARDWARE_MOTHERBOARD),1164)
 
 #
 # RAMBo and derivatives

Marlin/Version.h

@@ -28,7 +28,7 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "2.1.1"
+//#define SHORT_BUILD_VERSION "2.1.2"
 
 /**
  * Verbose version identifier which should contain a reference to the location

Marlin/src/HAL/AVR/HAL.h

@@ -32,6 +32,7 @@
   #include <HardwareSerial.h>
 #else
   #include "MarlinSerial.h"
+  #define BOARD_NO_NATIVE_USB
 #endif
 
 #include <stdint.h>
@@ -106,36 +107,36 @@ typedef Servo hal_servo_t;
 
   #define MYSERIAL1 TERN(BLUETOOTH, btSerial, MSerial0)
 #else
-  #if !WITHIN(SERIAL_PORT, -1, 3)
+  #if !WITHIN(SERIAL_PORT, 0, 3)
-    #error "SERIAL_PORT must be from 0 to 3, or -1 for USB Serial."
+    #error "SERIAL_PORT must be from 0 to 3."
   #endif
   #define MYSERIAL1 customizedSerial1
 
   #ifdef SERIAL_PORT_2
-    #if !WITHIN(SERIAL_PORT_2, -1, 3)
+    #if !WITHIN(SERIAL_PORT_2, 0, 3)
-      #error "SERIAL_PORT_2 must be from 0 to 3, or -1 for USB Serial."
+      #error "SERIAL_PORT_2 must be from 0 to 3."
     #endif
     #define MYSERIAL2 customizedSerial2
   #endif
 
   #ifdef SERIAL_PORT_3
-    #if !WITHIN(SERIAL_PORT_3, -1, 3)
+    #if !WITHIN(SERIAL_PORT_3, 0, 3)
-      #error "SERIAL_PORT_3 must be from 0 to 3, or -1 for USB Serial."
+      #error "SERIAL_PORT_3 must be from 0 to 3."
     #endif
     #define MYSERIAL3 customizedSerial3
   #endif
 #endif
 
 #ifdef MMU2_SERIAL_PORT
-  #if !WITHIN(MMU2_SERIAL_PORT, -1, 3)
+  #if !WITHIN(MMU2_SERIAL_PORT, 0, 3)
-    #error "MMU2_SERIAL_PORT must be from 0 to 3, or -1 for USB Serial."
+    #error "MMU2_SERIAL_PORT must be from 0 to 3"
   #endif
   #define MMU2_SERIAL mmuSerial
 #endif
 
 #ifdef LCD_SERIAL_PORT
-  #if !WITHIN(LCD_SERIAL_PORT, -1, 3)
+  #if !WITHIN(LCD_SERIAL_PORT, 0, 3)
-    #error "LCD_SERIAL_PORT must be from 0 to 3, or -1 for USB Serial."
+    #error "LCD_SERIAL_PORT must be from 0 to 3."
   #endif
   #define LCD_SERIAL lcdSerial
   #if HAS_DGUS_LCD

Marlin/src/HAL/AVR/fast_pwm.cpp

@@ -146,10 +146,10 @@ void MarlinHAL::set_pwm_frequency(const pin_t pin, const uint16_t f_desired) {
       LIMIT(res_pc_temp, 1U, maxtop);
 
       // Calculate frequencies of test prescaler and resolution values
-      const uint32_t f_diff      = _MAX(f, f_desired) - _MIN(f, f_desired),
+      const uint16_t f_fast_temp = (F_CPU) / (p * (1 + res_fast_temp)),
-                     f_fast_temp = (F_CPU) / (p * (1 + res_fast_temp)),
+                     f_pc_temp   = (F_CPU) / (2 * p * res_pc_temp);
+      const int      f_diff      = _MAX(f, f_desired) - _MIN(f, f_desired),
                      f_fast_diff = _MAX(f_fast_temp, f_desired) - _MIN(f_fast_temp, f_desired),
-                     f_pc_temp   = (F_CPU) / (2 * p * res_pc_temp),
                      f_pc_diff   = _MAX(f_pc_temp, f_desired) - _MIN(f_pc_temp, f_desired);
 
       if (f_fast_diff < f_diff && f_fast_diff <= f_pc_diff) { // FAST values are closest to desired f

Marlin/src/HAL/AVR/fastio.h

@@ -293,11 +293,11 @@ enum ClockSource2 : uint8_t {
 
 #if HAS_MOTOR_CURRENT_PWM
   #if PIN_EXISTS(MOTOR_CURRENT_PWM_XY)
-    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E || P == MOTOR_CURRENT_PWM_Z || P == MOTOR_CURRENT_PWM_XY)
+    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E || P == MOTOR_CURRENT_PWM_E0  || P == MOTOR_CURRENT_PWM_E1 || P == MOTOR_CURRENT_PWM_Z || P == MOTOR_CURRENT_PWM_XY)
   #elif PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
-    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E || P == MOTOR_CURRENT_PWM_Z)
+    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E || P == MOTOR_CURRENT_PWM_E0  || P == MOTOR_CURRENT_PWM_E1 || P == MOTOR_CURRENT_PWM_Z)
   #else
-    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E)
+    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E || P == MOTOR_CURRENT_PWM_E0  || P == MOTOR_CURRENT_PWM_E1)
   #endif
 #else
   #define PWM_CHK_MOTOR_CURRENT(P) false

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

@@ -37,22 +37,24 @@
   || X_ENA_PIN  == N || Y_ENA_PIN  == N || Z_ENA_PIN  == N \
   || BTN_EN1    == N || BTN_EN2    == N \
 )
-#if CONF_SERIAL_IS(0)
+#if SERIAL_IN_USE(0)
   // D0-D1. No known conflicts.
 #endif
+#if SERIAL_IN_USE(1)
   #if NOT_TARGET(__AVR_ATmega644P__, __AVR_ATmega1284P__)
-  #if CONF_SERIAL_IS(1) && (CHECK_SERIAL_PIN(18) || CHECK_SERIAL_PIN(19))
+    #if CHECK_SERIAL_PIN(18) || CHECK_SERIAL_PIN(19)
       #error "Serial Port 1 pin D18 and/or D19 conflicts with another pin on the board."
     #endif
   #else
-  #if CONF_SERIAL_IS(1) && (CHECK_SERIAL_PIN(10) || CHECK_SERIAL_PIN(11))
+    #if CHECK_SERIAL_PIN(10) || CHECK_SERIAL_PIN(11)
       #error "Serial Port 1 pin D10 and/or D11 conflicts with another pin on the board."
     #endif
   #endif
-#if CONF_SERIAL_IS(2) && (CHECK_SERIAL_PIN(16) || CHECK_SERIAL_PIN(17))
+#endif
+#if SERIAL_IN_USE(2) && (CHECK_SERIAL_PIN(16) || CHECK_SERIAL_PIN(17))
   #error "Serial Port 2 pin D16 and/or D17 conflicts with another pin on the board."
 #endif
-#if CONF_SERIAL_IS(3) && (CHECK_SERIAL_PIN(14) || CHECK_SERIAL_PIN(15))
+#if SERIAL_IN_USE(3) && (CHECK_SERIAL_PIN(14) || CHECK_SERIAL_PIN(15))
   #error "Serial Port 3 pin D14 and/or D15 conflicts with another pin on the board."
 #endif
 #undef CHECK_SERIAL_PIN

Marlin/src/HAL/DUE/HAL.h

@@ -210,7 +210,7 @@ public:
   static void adc_init() {}
 
   // Called by Temperature::init for each sensor at startup
-  static void adc_enable(const uint8_t ch) {}
+  static void adc_enable(const uint8_t /*ch*/) {}
 
   // Begin ADC sampling on the given channel. Called from Temperature::isr!
   static void adc_start(const uint8_t ch) { adc_result = analogRead(ch); }

Marlin/src/HAL/DUE/HAL_SPI.cpp

@@ -247,12 +247,12 @@
       b <<= 1; // little setup time
 
       WRITE(SD_SCK_PIN, HIGH);
-      DELAY_NS(spiDelayNS);
+      DELAY_NS_VAR(spiDelayNS);
 
       b |= (READ(SD_MISO_PIN) != 0);
 
       WRITE(SD_SCK_PIN, LOW);
-      DELAY_NS(spiDelayNS);
+      DELAY_NS_VAR(spiDelayNS);
     } while (--bits);
     return b;
   }

Marlin/src/HAL/DUE/InterruptVectors.cpp

@@ -41,7 +41,7 @@
    practice, we need alignment to 256 bytes to make this work in all
    cases */
 __attribute__ ((aligned(256)))
-static DeviceVectors ram_tab = { nullptr };
+static DeviceVectors ram_tab[61] = { nullptr };
 
 /**
  * This function checks if the exception/interrupt table is already in SRAM or not.

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

@@ -36,15 +36,15 @@
   || X_DIR_PIN  == N || Y_DIR_PIN  == N || Z_DIR_PIN  == N \
   || X_ENA_PIN  == N || Y_ENA_PIN  == N || Z_ENA_PIN  == N \
 )
-#if CONF_SERIAL_IS(0) // D0-D1. No known conflicts.
+#if SERIAL_IN_USE(0) // D0-D1. No known conflicts.
 #endif
-#if CONF_SERIAL_IS(1) && (CHECK_SERIAL_PIN(18) || CHECK_SERIAL_PIN(19))
+#if SERIAL_IN_USE(1) && (CHECK_SERIAL_PIN(18) || CHECK_SERIAL_PIN(19))
   #error "Serial Port 1 pin D18 and/or D19 conflicts with another pin on the board."
 #endif
-#if CONF_SERIAL_IS(2) && (CHECK_SERIAL_PIN(16) || CHECK_SERIAL_PIN(17))
+#if SERIAL_IN_USE(2) && (CHECK_SERIAL_PIN(16) || CHECK_SERIAL_PIN(17))
   #error "Serial Port 2 pin D16 and/or D17 conflicts with another pin on the board."
 #endif
-#if CONF_SERIAL_IS(3) && (CHECK_SERIAL_PIN(14) || CHECK_SERIAL_PIN(15))
+#if SERIAL_IN_USE(3) && (CHECK_SERIAL_PIN(14) || CHECK_SERIAL_PIN(15))
   #error "Serial Port 3 pin D14 and/or D15 conflicts with another pin on the board."
 #endif
 #undef CHECK_SERIAL_PIN

Marlin/src/HAL/DUE/pinsDebug.h

@@ -70,7 +70,7 @@
 #define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)
 #define GET_ARRAY_PIN(p) pin_array[p].pin
 #define GET_ARRAY_IS_DIGITAL(p) pin_array[p].is_digital
-#define VALID_PIN(pin) (pin >= 0 && pin < (int8_t)NUMBER_PINS_TOTAL ? 1 : 0)
+#define VALID_PIN(pin) (pin >= 0 && pin < int8_t(NUMBER_PINS_TOTAL))
 #define DIGITAL_PIN_TO_ANALOG_PIN(p) int(p - analogInputToDigitalPin(0))
 #define IS_ANALOG(P) WITHIN(P, char(analogInputToDigitalPin(0)), char(analogInputToDigitalPin(NUM_ANALOG_INPUTS - 1)))
 #define pwm_status(pin) (((g_pinStatus[pin] & 0xF) == PIN_STATUS_PWM) && \

Marlin/src/HAL/DUE/usb/usb_task.c

@@ -62,7 +62,7 @@ void usb_task_idle(void) {
     // Attend SD card access from the USB MSD -- Prioritize access to improve speed
     int delay = 2;
     while (main_b_msc_enable && --delay > 0) {
-      if (udi_msc_process_trans()) delay = 10000;
+      if (udi_msc_process_trans()) delay = 20;
 
       // Reset the watchdog, just to be sure
       REG_WDT_CR = WDT_CR_WDRSTT | WDT_CR_KEY(0xA5);

Marlin/src/HAL/ESP32/i2s.cpp

@@ -139,22 +139,40 @@ static void IRAM_ATTR i2s_intr_handler_default(void *arg) {
 }
 
 void stepperTask(void *parameter) {
-  uint32_t remaining = 0;
+  uint32_t nextMainISR = 0;
+  #if ENABLED(LIN_ADVANCE)
+    uint32_t nextAdvanceISR = Stepper::LA_ADV_NEVER;
+  #endif
 
-  while (1) {
+  for (;;) {
     xQueueReceive(dma.queue, &dma.current, portMAX_DELAY);
     dma.rw_pos = 0;
 
     while (dma.rw_pos < DMA_SAMPLE_COUNT) {
       // Fill with the port data post pulse_phase until the next step
-      if (remaining) {
+      if (nextMainISR && TERN1(LIN_ADVANCE, nextAdvanceISR))
         i2s_push_sample();
-        remaining--;
+
+      // i2s_push_sample() is also called from Stepper::pulse_phase_isr() and Stepper::advance_isr()
+      // in a rare case where both are called, we need to double decrement the counters
+      const uint8_t push_count = 1 + (!nextMainISR && TERN0(LIN_ADVANCE, !nextAdvanceISR));
+
+      #if ENABLED(LIN_ADVANCE)
+        if (!nextAdvanceISR) {
+          Stepper::advance_isr();
+          nextAdvanceISR = Stepper::la_interval;
         }
-      else {
+        else if (nextAdvanceISR == Stepper::LA_ADV_NEVER)
+          nextAdvanceISR = Stepper::la_interval;
+      #endif
+
+      if (!nextMainISR) {
         Stepper::pulse_phase_isr();
-        remaining = Stepper::block_phase_isr();
+        nextMainISR = Stepper::block_phase_isr();
       }
+
+      nextMainISR -= push_count;
+      TERN_(LIN_ADVANCE, nextAdvanceISR -= push_count);
     }
   }
 }

Marlin/src/HAL/ESP32/inc/SanityCheck.h

@@ -45,10 +45,14 @@
   #error "FAST_PWM_FAN is not available on TinyBee."
 #endif
 
+#if BOTH(I2S_STEPPER_STREAM, BABYSTEPPING) && DISABLED(INTEGRATED_BABYSTEPPING)
+  #error "BABYSTEPPING on I2S stream requires INTEGRATED_BABYSTEPPING."
+#endif
+
 #if USING_PULLDOWNS
   #error "PULLDOWN pin mode is not available on ESP32 boards."
 #endif
 
-#if BOTH(I2S_STEPPER_STREAM, LIN_ADVANCE)
+#if BOTH(I2S_STEPPER_STREAM, LIN_ADVANCE) && DISABLED(EXPERIMENTAL_I2S_LA)
   #error "I2S stream is currently incompatible with LIN_ADVANCE."
 #endif

Marlin/src/HAL/ESP32/u8g_esp32_spi.cpp

@@ -32,6 +32,13 @@
 #include "HAL.h"
 #include "SPI.h"
 
+#if ENABLED(SDSUPPORT)
+  #include "../../sd/cardreader.h"
+  #if ENABLED(ESP3D_WIFISUPPORT)
+    #include "sd_ESP32.h"
+  #endif
+#endif
+
 static SPISettings spiConfig;
 
 
@@ -45,6 +52,11 @@ static SPISettings spiConfig;
 
 uint8_t u8g_eps_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
   static uint8_t msgInitCount = 2; // Ignore all messages until 2nd U8G_COM_MSG_INIT
+
+  #if ENABLED(PAUSE_LCD_FOR_BUSY_SD)
+    if (card.flag.saving || card.flag.logging || TERN0(ESP3D_WIFISUPPORT, sd_busy_lock == true)) return 0;
+  #endif
+
   if (msgInitCount) {
     if (msg == U8G_COM_MSG_INIT) msgInitCount--;
     if (msgInitCount) return -1;

Marlin/src/HAL/LPC1768/HAL_SPI.cpp

@@ -318,8 +318,16 @@ void SPIClass::dmaSend(void *buf, uint16_t length, bool minc) {
   // Enable DMA
   GPDMA_ChannelCmd(0, ENABLE);
 
+  /*
+   * Observed behaviour on normal data transfer completion (SKR 1.3 board / LPC1768 MCU)
+   *   GPDMA_STAT_INTTC flag is SET
+   *   GPDMA_STAT_INTERR flag is NOT SET
+   *   GPDMA_STAT_RAWINTTC flag is NOT SET
+   *   GPDMA_STAT_RAWINTERR flag is SET
+   */
+
   // Wait for data transfer
-  while (!GPDMA_IntGetStatus(GPDMA_STAT_RAWINTTC, 0) && !GPDMA_IntGetStatus(GPDMA_STAT_RAWINTERR, 0)) { }
+  while (!GPDMA_IntGetStatus(GPDMA_STAT_INTTC, 0) && !GPDMA_IntGetStatus(GPDMA_STAT_INTERR, 0)) {}
 
   // Clear err and int
   GPDMA_ClearIntPending (GPDMA_STATCLR_INTTC, 0);
@@ -333,6 +341,43 @@ void SPIClass::dmaSend(void *buf, uint16_t length, bool minc) {
   SSP_DMACmd(_currentSetting->spi_d, SSP_DMA_TX, DISABLE);
 }
 
+void SPIClass::dmaSendAsync(void *buf, uint16_t length, bool minc) {
+  //TODO: LPC dma can only write 0xFFF bytes at once.
+  GPDMA_Channel_CFG_Type GPDMACfg;
+
+  /* Configure GPDMA channel 0 -------------------------------------------------------------*/
+  /* DMA Channel 0 */
+  GPDMACfg.ChannelNum = 0;
+  // Source memory
+  GPDMACfg.SrcMemAddr = (uint32_t)buf;
+  // Destination memory - Not used
+  GPDMACfg.DstMemAddr = 0;
+  // Transfer size
+  GPDMACfg.TransferSize = length;
+  // Transfer width
+  GPDMACfg.TransferWidth = (_currentSetting->dataSize == DATA_SIZE_16BIT) ? GPDMA_WIDTH_HALFWORD : GPDMA_WIDTH_BYTE;
+  // Transfer type
+  GPDMACfg.TransferType = GPDMA_TRANSFERTYPE_M2P;
+  // Source connection - unused
+  GPDMACfg.SrcConn = 0;
+  // Destination connection
+  GPDMACfg.DstConn = (_currentSetting->spi_d == LPC_SSP0) ? GPDMA_CONN_SSP0_Tx : GPDMA_CONN_SSP1_Tx;
+
+  GPDMACfg.DMALLI = 0;
+
+  // Enable dma on SPI
+  SSP_DMACmd(_currentSetting->spi_d, SSP_DMA_TX, ENABLE);
+
+  // Only increase memory if minc is true
+  GPDMACfg.MemoryIncrease = (minc ? GPDMA_DMACCxControl_SI : 0);
+
+  // Setup channel with given parameter
+  GPDMA_Setup(&GPDMACfg);
+
+  // Enable DMA
+  GPDMA_ChannelCmd(0, ENABLE);
+}
+
 uint16_t SPIClass::read() {
   return SSP_ReceiveData(_currentSetting->spi_d);
 }

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

@@ -29,6 +29,6 @@
 
 // LPC1768 boards seem to lose steps when saving to EEPROM during print (issue #20785)
 // TODO: Which other boards are incompatible?
-#if defined(MCU_LPC1768) && PRINTCOUNTER_SAVE_INTERVAL > 0
+#if defined(MCU_LPC1768) && ENABLED(FLASH_EEPROM_EMULATION) && PRINTCOUNTER_SAVE_INTERVAL > 0
   #define PRINTCOUNTER_SYNC 1
 #endif

Marlin/src/HAL/LPC1768/include/SPI.h

@@ -155,6 +155,7 @@ public:
   void read(uint8_t *buf, uint32_t len);
 
   void dmaSend(void *buf, uint16_t length, bool minc);
+  void dmaSendAsync(void *buf, uint16_t length, bool minc);
 
   /**
    * @brief Sets the number of the SPI peripheral to be used by

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

@@ -26,7 +26,7 @@
 
 #include "tft_spi.h"
 
-SPIClass TFT_SPI::SPIx(1);
+SPIClass TFT_SPI::SPIx(TFT_SPI_DEVICE);
 
 void TFT_SPI::Init() {
   #if PIN_EXISTS(TFT_RESET)
@@ -38,40 +38,10 @@ void TFT_SPI::Init() {
     OUT_WRITE(TFT_BACKLIGHT_PIN, HIGH);
   #endif
 
-  SET_OUTPUT(TFT_DC_PIN);
+  OUT_WRITE(TFT_DC_PIN, HIGH);
-  SET_OUTPUT(TFT_CS_PIN);
+  OUT_WRITE(TFT_CS_PIN, HIGH);
-  WRITE(TFT_DC_PIN, HIGH);
-  WRITE(TFT_CS_PIN, HIGH);
 
-  /**
+  SPIx.setModule(TFT_SPI_DEVICE);
-   * STM32F1 APB2 = 72MHz, APB1 = 36MHz, max SPI speed of this MCU if 18Mhz
-   * STM32F1 has 3 SPI ports, SPI1 in APB2, SPI2/SPI3 in APB1
-   * so the minimum prescale of SPI1 is DIV4, SPI2/SPI3 is DIV2
-   */
-  #if 0
-    #if SPI_DEVICE == 1
-     #define SPI_CLOCK_MAX SPI_CLOCK_DIV4
-    #else
-     #define SPI_CLOCK_MAX SPI_CLOCK_DIV2
-    #endif
-    uint8_t  clock;
-    uint8_t spiRate = SPI_FULL_SPEED;
-    switch (spiRate) {
-     case SPI_FULL_SPEED:    clock = SPI_CLOCK_MAX ;  break;
-     case SPI_HALF_SPEED:    clock = SPI_CLOCK_DIV4 ; break;
-     case SPI_QUARTER_SPEED: clock = SPI_CLOCK_DIV8 ; break;
-     case SPI_EIGHTH_SPEED:  clock = SPI_CLOCK_DIV16; break;
-     case SPI_SPEED_5:       clock = SPI_CLOCK_DIV32; break;
-     case SPI_SPEED_6:       clock = SPI_CLOCK_DIV64; break;
-     default:                clock = SPI_CLOCK_DIV2;  // Default from the SPI library
-    }
-  #endif
-
-  #if TFT_MISO_PIN == BOARD_SPI1_MISO_PIN
-    SPIx.setModule(1);
-  #elif TFT_MISO_PIN == BOARD_SPI2_MISO_PIN
-    SPIx.setModule(2);
-  #endif
   SPIx.setClock(SPI_CLOCK_MAX_TFT);
   SPIx.setBitOrder(MSBFIRST);
   SPIx.setDataMode(SPI_MODE0);
@@ -114,17 +84,62 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
   return data >> 7;
 }
 
-bool TFT_SPI::isBusy() { return false; }
+bool TFT_SPI::isBusy() {
+  #define __IS_DMA_CONFIGURED(__HANDLE__)   ((__HANDLE__)->DMACCSrcAddr != 0)
 
-void TFT_SPI::Abort() { DataTransferEnd(); }
+  // DMA Channel 0 is hardcoded in dmaSendAsync() and dmaSend()
+  if (!__IS_DMA_CONFIGURED(LPC_GPDMACH0)) return false;
 
-void TFT_SPI::Transmit(uint16_t Data) { SPIx.transfer(Data); }
+  if (GPDMA_IntGetStatus(GPDMA_STAT_INTERR, 0)) {
+    // You should not be here - DMA transfer error flag is set
+    // Abort DMA transfer and release SPI
+  }
+  else {
+    // Check if DMA transfer completed flag is set
+    if (!GPDMA_IntGetStatus(GPDMA_STAT_INTTC, 0)) return true;
+    // Check if SPI TX butter is empty and SPI is idle
+    if ((SSP_GetStatus(LPC_SSPx, SSP_STAT_TXFIFO_EMPTY) == RESET) || (SSP_GetStatus(LPC_SSPx, SSP_STAT_BUSY) == SET)) return true;
+  }
+
+  Abort();
+  return false;
+}
+
+void TFT_SPI::Abort() {
+  // DMA Channel 0 is hardcoded in dmaSendAsync() and dmaSend()
+
+  // Disable DMA
+  GPDMA_ChannelCmd(0, DISABLE);
+
+  // Clear ERR and TC
+  GPDMA_ClearIntPending(GPDMA_STATCLR_INTTC, 0);
+  GPDMA_ClearIntPending(GPDMA_STATCLR_INTERR, 0);
+
+  // Disable DMA on SPI
+  SSP_DMACmd(LPC_SSPx, SSP_DMA_TX, DISABLE);
+
+  // Deconfigure DMA Channel 0
+  LPC_GPDMACH0->DMACCControl  = 0U;
+  LPC_GPDMACH0->DMACCConfig   = 0U;
+  LPC_GPDMACH0->DMACCSrcAddr  = 0U;
+  LPC_GPDMACH0->DMACCDestAddr = 0U;
 
-void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
-  DataTransferBegin(DATASIZE_16BIT);
-  WRITE(TFT_DC_PIN, HIGH);
-  SPIx.dmaSend(Data, Count, MemoryIncrease);
   DataTransferEnd();
 }
 
+void TFT_SPI::Transmit(uint16_t Data) { SPIx.transfer(Data); }
+
+void TFT_SPI::Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
+  DataTransferBegin(DATASIZE_16BIT);
+  SPIx.dmaSend(Data, Count, MemoryIncrease);
+  Abort();
+}
+
+void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
+  DataTransferBegin(DATASIZE_16BIT);
+  SPIx.dmaSendAsync(Data, Count, MemoryIncrease);
+
+  TERN_(TFT_SHARED_SPI, while (isBusy()));
+}
+
 #endif // HAS_SPI_TFT

Marlin/src/HAL/LPC1768/tft/tft_spi.h

@@ -27,6 +27,18 @@
 #include <lpc17xx_ssp.h>
 // #include <lpc17xx_gpdma.h>
 
+#define IS_SPI(N) (BOARD_NR_SPI >= N && (TFT_SCK_PIN == BOARD_SPI##N##_SCK_PIN) && (TFT_MOSI_PIN == BOARD_SPI##N##_MOSI_PIN) && (TFT_MISO_PIN == BOARD_SPI##N##_MISO_PIN))
+#if IS_SPI(1)
+  #define TFT_SPI_DEVICE  1
+  #define LPC_SSPx  LPC_SSP0
+#elif IS_SPI(2)
+  #define TFT_SPI_DEVICE  2
+  #define LPC_SSPx  LPC_SSP1
+#else
+  #error "Invalid TFT SPI configuration."
+#endif
+#undef IS_SPI
+
 #ifndef LCD_READ_ID
   #define LCD_READ_ID  0x04   // Read display identification information (0xD3 on ILI9341)
 #endif
@@ -37,6 +49,7 @@
 #define DATASIZE_8BIT     SSP_DATABIT_8
 #define DATASIZE_16BIT    SSP_DATABIT_16
 #define TFT_IO_DRIVER     TFT_SPI
+#define DMA_MAX_SIZE      0xFFF
 
 #define DMA_MINC_ENABLE   1
 #define DMA_MINC_DISABLE  0
@@ -45,6 +58,7 @@ class TFT_SPI {
 private:
   static uint32_t ReadID(uint16_t Reg);
   static void Transmit(uint16_t Data);
+  static void Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
   static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
 
 public:
@@ -56,22 +70,20 @@ public:
   static void Abort();
 
   static void DataTransferBegin(uint16_t DataWidth = DATASIZE_16BIT);
-  static void DataTransferEnd() { OUT_WRITE(TFT_CS_PIN, HIGH); SPIx.end(); };
+  static void DataTransferEnd() { WRITE(TFT_CS_PIN, HIGH); SSP_Cmd(LPC_SSPx, DISABLE); };
   static void DataTransferAbort();
 
   static void WriteData(uint16_t Data) { Transmit(Data); }
-  static void WriteReg(uint16_t Reg) { OUT_WRITE(TFT_A0_PIN, LOW); Transmit(Reg); OUT_WRITE(TFT_A0_PIN, HIGH); }
+  static void WriteReg(uint16_t Reg) { WRITE(TFT_DC_PIN, LOW); Transmit(Reg); WRITE(TFT_DC_PIN, HIGH); }
 
-  static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_MINC_ENABLE, Data, Count); }
+  static void WriteSequence_DMA(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_MINC_ENABLE, Data, Count); }
-  // static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
+  static void WriteMultiple_DMA(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
+
+  static void WriteSequence(uint16_t *Data, uint16_t Count) { Transmit(DMA_MINC_ENABLE, Data, Count); }
   static void WriteMultiple(uint16_t Color, uint32_t Count) {
-    static uint16_t Data; Data = Color;
-    //LPC dma can only write 0xFFF bytes at once.
-    #define MAX_DMA_SIZE (0xFFF - 1)
     while (Count > 0) {
-      TransmitDMA(DMA_MINC_DISABLE, &Data, Count > MAX_DMA_SIZE ? MAX_DMA_SIZE : Count);
+      Transmit(DMA_MINC_DISABLE, &Color, Count > DMA_MAX_SIZE ? DMA_MAX_SIZE : Count);
-      Count = Count > MAX_DMA_SIZE ? Count - MAX_DMA_SIZE : 0;
+      Count = Count > DMA_MAX_SIZE ? Count - DMA_MAX_SIZE : 0;
     }
-    #undef MAX_DMA_SIZE
   }
 };

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

@@ -44,9 +44,11 @@ uint16_t delta(uint16_t a, uint16_t b) { return a > b ? a - b : b - a; }
 #endif
 
 void XPT2046::Init() {
+  #if DISABLED(TOUCH_BUTTONS_HW_SPI)
     SET_INPUT(TOUCH_MISO_PIN);
     SET_OUTPUT(TOUCH_MOSI_PIN);
     SET_OUTPUT(TOUCH_SCK_PIN);
+  #endif
   OUT_WRITE(TOUCH_CS_PIN, HIGH);
 
   #if PIN_EXISTS(TOUCH_INT)

Marlin/src/HAL/LPC1768/upload_extra_script.py

@@ -73,7 +73,7 @@ if pioutil.is_pio_build():
                 #
                 import getpass
                 user = getpass.getuser()
-				mpath = Path('media', user)
+                mpath = Path('/media', user)
                 drives = [ x for x in mpath.iterdir() if x.is_dir() ]
                 if target_drive in drives:  # If target drive is found, use it.
                     target_drive_found = True
@@ -82,11 +82,11 @@ if pioutil.is_pio_build():
                     for drive in drives:
                         try:
                             fpath = mpath / drive
-							files = [ x for x in fpath.iterdir() if x.is_file() ]
+                            filenames = [ x.name for x in fpath.iterdir() if x.is_file() ]
                         except:
                             continue
                         else:
-							if target_filename in files:
+                            if target_filename in filenames:
                                 upload_disk = mpath / drive
                                 target_file_found = True
                                 break
@@ -104,21 +104,21 @@ if pioutil.is_pio_build():
                 # platformio.ini will accept this for a OSX upload port designation: 'upload_port = /media/media_name/drive'
                 #
                 dpath = Path('/Volumes')  # human readable names
-				drives = [ x for x in dpath.iterdir() ]
+                drives = [ x for x in dpath.iterdir() if x.is_dir() ]
                 if target_drive in drives and not target_file_found:  # set upload if not found target file yet
                     target_drive_found = True
                     upload_disk = dpath / target_drive
                 for drive in drives:
                     try:
                         fpath = dpath / drive   # will get an error if the drive is protected
-						files = [ x for x in fpath.iterdir() ]
+                        filenames = [ x.name for x in fpath.iterdir() if x.is_file() ]
                     except:
                         continue
                     else:
-						if target_filename in files:
+                        if target_filename in filenames:
-							if not target_file_found:
                             upload_disk = dpath / drive
                             target_file_found = True
+                            break
 
             #
             # Set upload_port to drive if found

Marlin/src/HAL/NATIVE_SIM/fastio.h

@@ -44,7 +44,7 @@
  *
  * Now you can simply SET_OUTPUT(STEP); WRITE(STEP, HIGH); WRITE(STEP, LOW);
  *
- * Why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
+ * Why double up on these macros? see https://gcc.gnu.org/onlinedocs/cpp/Stringification.html
  */
 
 /// Read a pin

Marlin/src/HAL/NATIVE_SIM/tft/xpt2046.h

@@ -51,7 +51,7 @@ enum XPTCoordinate : uint8_t {
   XPT2046_Z2 = 0x40 | XPT2046_CONTROL | XPT2046_DFR_MODE,
 };
 
-#if !defined(XPT2046_Z1_THRESHOLD)
+#ifndef XPT2046_Z1_THRESHOLD
   #define XPT2046_Z1_THRESHOLD 10
 #endif
 

Marlin/src/HAL/NATIVE_SIM/u8g/u8g_com_st7920_sw_spi.cpp

@@ -168,4 +168,4 @@ uint8_t u8g_com_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void
 #endif
 
 #endif // IS_U8GLIB_ST7920
-#endif // TARGET_LPC1768
+#endif // __PLAT_NATIVE_SIM__

Marlin/src/HAL/SAMD51/HAL.cpp

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -18,6 +19,10 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
 #ifdef __SAMD51__
 
 #include "../../inc/MarlinConfig.h"

Marlin/src/HAL/SAMD51/HAL.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -20,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 #define CPU_32_BIT
 
 #include "../shared/Marduino.h"

Marlin/src/HAL/SAMD51/HAL_SPI.cpp

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -19,6 +20,10 @@
  *
  */
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 /**
  * Hardware and software SPI implementations are included in this file.
  *

Marlin/src/HAL/SAMD51/MarlinSerial_AGCM4.cpp

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -18,6 +19,10 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
 #ifdef ADAFRUIT_GRAND_CENTRAL_M4
 
 /**

Marlin/src/HAL/SAMD51/MarlinSerial_AGCM4.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -20,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 #include "../../core/serial_hook.h"
 
 typedef Serial1Class<Uart> UartT;

Marlin/src/HAL/SAMD51/SAMD51.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -20,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 #define SYNC(sc)    while (sc) {  \
                       asm("");    \
                     }

Marlin/src/HAL/SAMD51/Servo.cpp

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -19,6 +20,10 @@
  *
  */
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 /**
  * This comes from Arduino library which at the moment is buggy and uncompilable
  */

Marlin/src/HAL/SAMD51/ServoTimers.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -20,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 #define _useTimer1
 #define _useTimer2
 

Marlin/src/HAL/SAMD51/eeprom_flash.cpp

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -18,6 +19,10 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
 #ifdef __SAMD51__
 
 #include "../../inc/MarlinConfig.h"

Marlin/src/HAL/SAMD51/eeprom_qspi.cpp

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -18,6 +19,10 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
 #ifdef __SAMD51__
 
 #include "../../inc/MarlinConfig.h"

Marlin/src/HAL/SAMD51/eeprom_wired.cpp

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -18,6 +19,10 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
 #ifdef __SAMD51__
 
 #include "../../inc/MarlinConfig.h"

Marlin/src/HAL/SAMD51/endstop_interrupts.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -20,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 /**
  * Endstop interrupts for ATMEL SAMD51 based targets.
  *

Marlin/src/HAL/SAMD51/fastio.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -20,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 /**
  * Fast IO functions for SAMD51
  */

Marlin/src/HAL/SAMD51/inc/SanityCheck.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -18,6 +19,11 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+#pragma once
+
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
 
 /**
  * Test SAMD51 specific configuration values for errors at compile-time.

Marlin/src/HAL/SAMD51/pinsDebug.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -20,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 #define NUMBER_PINS_TOTAL PINS_COUNT
 
 #define digitalRead_mod(p) extDigitalRead(p)
@@ -29,7 +34,7 @@
 #define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)
 #define GET_ARRAY_PIN(p) pin_array[p].pin
 #define GET_ARRAY_IS_DIGITAL(p) pin_array[p].is_digital
-#define VALID_PIN(pin) (pin >= 0 && pin < (int8_t)NUMBER_PINS_TOTAL)
+#define VALID_PIN(pin) (pin >= 0 && pin < int8_t(NUMBER_PINS_TOTAL))
 #define DIGITAL_PIN_TO_ANALOG_PIN(p) digitalPinToAnalogInput(p)
 #define IS_ANALOG(P) (DIGITAL_PIN_TO_ANALOG_PIN(P)!=-1)
 #define pwm_status(pin) digitalPinHasPWM(pin)

Marlin/src/HAL/SAMD51/spi_pins.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -20,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 #ifdef ADAFRUIT_GRAND_CENTRAL_M4
 
  /*

Marlin/src/HAL/SAMD51/timers.cpp

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -18,6 +19,10 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
 #ifdef __SAMD51__
 
 // --------------------------------------------------------------------------

Marlin/src/HAL/SAMD51/timers.h

@@ -1,8 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ *
+ * 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
@@ -20,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
+ */
+
 #include <stdint.h>
 
 // --------------------------------------------------------------------------

Marlin/src/HAL/STM32/eeprom_flash.cpp

@@ -95,7 +95,7 @@
   static_assert(IS_FLASH_SECTOR(FLASH_SECTOR), "FLASH_SECTOR is invalid");
   static_assert(IS_POWER_OF_2(FLASH_UNIT_SIZE), "FLASH_UNIT_SIZE should be a power of 2, please check your chip's spec sheet");
 
-#endif
+#endif // FLASH_EEPROM_LEVELING
 
 static bool eeprom_data_written = false;
 
@@ -189,15 +189,15 @@ bool PersistentStore::access_finish() {
 
       UNLOCK_FLASH();
 
-      uint32_t offset = 0;
+      uint32_t offset = 0,
-      uint32_t address = SLOT_ADDRESS(current_slot);
+               address = SLOT_ADDRESS(current_slot),
-      uint32_t address_end = address + MARLIN_EEPROM_SIZE;
+               address_end = address + MARLIN_EEPROM_SIZE,
-      uint32_t data = 0;
+               data = 0;
 
       bool success = true;
 
       while (address < address_end) {
-        memcpy(&data, ram_eeprom + offset, sizeof(uint32_t));
+        memcpy(&data, ram_eeprom + offset, sizeof(data));
         status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, address, data);
         if (status == HAL_OK) {
           address += sizeof(uint32_t);
@@ -221,7 +221,8 @@ bool PersistentStore::access_finish() {
 
       return success;
 
-    #else
+    #else // !FLASH_EEPROM_LEVELING
+
       // The following was written for the STM32F4 but may work with other MCUs as well.
       // Most STM32F4 flash does not allow reading from flash during erase operations.
       // This takes about a second on a STM32F407 with a 128kB sector used as EEPROM.
@@ -235,7 +236,8 @@ bool PersistentStore::access_finish() {
       TERN_(HAS_PAUSE_SERVO_OUTPUT, RESUME_SERVO_OUTPUT());
 
       eeprom_data_written = false;
-    #endif
+
+    #endif // !FLASH_EEPROM_LEVELING
   }
 
   return true;

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

@@ -27,3 +27,8 @@
 #elif EITHER(I2C_EEPROM, SPI_EEPROM)
   #define USE_SHARED_EEPROM 1
 #endif
+
+// Some STM32F4 boards may lose steps when saving to EEPROM during print (PR #17946)
+#if defined(STM32F4xx) && ENABLED(FLASH_EEPROM_EMULATION) && PRINTCOUNTER_SAVE_INTERVAL > 0
+  #define PRINTCOUNTER_SYNC 1
+#endif

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

@@ -37,11 +37,6 @@
   #error "SDCARD_EEPROM_EMULATION requires SDSUPPORT. Enable SDSUPPORT or choose another EEPROM emulation."
 #endif
 
-#if defined(STM32F4xx) && BOTH(PRINTCOUNTER, FLASH_EEPROM_EMULATION)
-  #warning "FLASH_EEPROM_EMULATION may cause long delays when writing and should not be used while printing."
-  #error "Disable PRINTCOUNTER or choose another EEPROM emulation."
-#endif
-
 #if !defined(STM32F4xx) && ENABLED(FLASH_EEPROM_LEVELING)
   #error "FLASH_EEPROM_LEVELING is currently only supported on STM32F4 hardware."
 #endif
@@ -55,3 +50,62 @@
 #if ANY(TFT_COLOR_UI, TFT_LVGL_UI, TFT_CLASSIC_UI) && NOT_TARGET(STM32H7xx, STM32F4xx, STM32F1xx)
   #error "TFT_COLOR_UI, TFT_LVGL_UI and TFT_CLASSIC_UI are currently only supported on STM32H7, STM32F4 and STM32F1 hardware."
 #endif
+
+/**
+ * Check for common serial pin conflicts
+ */
+#define _CHECK_SERIAL_PIN(N) (( \
+    BTN_EN1 == N || DOGLCD_CS == N || HEATER_BED_PIN == N || FAN_PIN == N || \
+    SDIO_D2_PIN == N || SDIO_D3_PIN == N || SDIO_CK_PIN == N || SDIO_CMD_PIN == N \
+  ))
+#define CHECK_SERIAL_PIN(T,N) defined(UART##N##_##T##_PIN) && _CHECK_SERIAL_PIN(UART##N##_##T##_PIN)
+#if SERIAL_IN_USE(1)
+  #if CHECK_SERIAL_PIN(TX,1)
+    #error "Serial Port 1 TX IO pins conflict with another pin on the board."
+  #endif
+  #if CHECK_SERIAL_PIN(RX,1)
+    #error "Serial Port 1 RX IO pins conflict with another pin on the board."
+  #endif
+#endif
+#if SERIAL_IN_USE(2)
+  #if CHECK_SERIAL_PIN(TX,2)
+    #error "Serial Port 2 TX IO pins conflict with another pin on the board."
+  #endif
+  #if CHECK_SERIAL_PIN(RX,2)
+    #error "Serial Port 2 RX IO pins conflict with another pin on the board."
+  #endif
+#endif
+#if SERIAL_IN_USE(3)
+  #if CHECK_SERIAL_PIN(TX,3)
+    #error "Serial Port 3 TX IO pins conflict with another pin on the board."
+  #endif
+  #if CHECK_SERIAL_PIN(RX,3)
+    #error "Serial Port 3 RX IO pins conflict with another pin on the board."
+  #endif
+#endif
+#if SERIAL_IN_USE(4)
+  #if CHECK_SERIAL_PIN(TX,4)
+    #error "Serial Port 4 TX IO pins conflict with another pin on the board."
+  #endif
+  #if CHECK_SERIAL_PIN(RX,4)
+    #error "Serial Port 4 RX IO pins conflict with another pin on the board."
+  #endif
+#endif
+#if SERIAL_IN_USE(5)
+  #if CHECK_SERIAL_PIN(TX,5)
+    #error "Serial Port 5 TX IO pins conflict with another pin on the board."
+  #endif
+  #if CHECK_SERIAL_PIN(RX,5)
+    #error "Serial Port 5 RX IO pins conflict with another pin on the board."
+  #endif
+#endif
+#if SERIAL_IN_USE(6)
+  #if CHECK_SERIAL_PIN(TX,6)
+    #error "Serial Port 6 TX IO pins conflict with another pin on the board."
+  #endif
+  #if CHECK_SERIAL_PIN(RX,6)
+    #error "Serial Port 6 RX IO pins conflict with another pin on the board."
+  #endif
+#endif
+#undef CHECK_SERIAL_PIN
+#undef _CHECK_SERIAL_PIN

Marlin/src/HAL/STM32/pinsDebug.h

@@ -108,11 +108,12 @@ const XrefInfo pin_xref[] PROGMEM = {
  * Translation of routines & variables used by pinsDebug.h
  */
 
-#if PA0 >= NUM_DIGITAL_PINS
+#if NUM_ANALOG_FIRST >= NUM_DIGITAL_PINS
   #define HAS_HIGH_ANALOG_PINS 1
 #endif
-#define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS + TERN0(HAS_HIGH_ANALOG_PINS, NUM_ANALOG_INPUTS)
+#define NUM_ANALOG_LAST ((NUM_ANALOG_FIRST) + (NUM_ANALOG_INPUTS) - 1)
-#define VALID_PIN(ANUM) ((ANUM) >= 0 && (ANUM) < NUMBER_PINS_TOTAL)
+#define NUMBER_PINS_TOTAL ((NUM_DIGITAL_PINS) + TERN0(HAS_HIGH_ANALOG_PINS, NUM_ANALOG_INPUTS))
+#define VALID_PIN(P) (WITHIN(P, 0, (NUM_DIGITAL_PINS) - 1) || TERN0(HAS_HIGH_ANALOG_PINS, WITHIN(P, NUM_ANALOG_FIRST, NUM_ANALOG_LAST)))
 #define digitalRead_mod(Ard_num) extDigitalRead(Ard_num)  // must use Arduino pin numbers when doing reads
 #define PRINT_PIN(Q)
 #define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)
@@ -168,7 +169,7 @@ bool GET_PINMODE(const pin_t Ard_num) {
 }
 
 int8_t digital_pin_to_analog_pin(const pin_t Ard_num) {
-  if (WITHIN(Ard_num, NUM_ANALOG_FIRST, NUM_ANALOG_FIRST + NUM_ANALOG_INPUTS - 1))
+  if (WITHIN(Ard_num, NUM_ANALOG_FIRST, NUM_ANALOG_LAST))
     return Ard_num - NUM_ANALOG_FIRST;
 
   const uint32_t ind = digitalPinToAnalogInput(Ard_num);
@@ -206,8 +207,11 @@ void port_print(const pin_t Ard_num) {
     SERIAL_ECHO_SP(7);
 
   // Print number to be used with M42
-  int calc_p = Ard_num % (NUM_DIGITAL_PINS + 1);
+  int calc_p = Ard_num;
-  if (Ard_num > NUM_DIGITAL_PINS && calc_p > 7) calc_p += 8;
+  if (Ard_num > NUM_DIGITAL_PINS) {
+    calc_p -= NUM_ANALOG_FIRST;
+    if (calc_p > 7) calc_p += 8;
+  }
   SERIAL_ECHOPGM(" M42 P", calc_p);
   SERIAL_CHAR(' ');
   if (calc_p < 100) {

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

@@ -150,9 +150,9 @@ void GT911::read_reg(uint16_t reg, uint8_t reg_len, uint8_t* r_data, uint8_t r_l
   sw_iic.start();
   sw_iic.send_byte(gt911_slave_address + 1);  // Set read mode
 
-  LOOP_L_N(i, r_len) {
+  LOOP_L_N(i, r_len)
     r_data[i] = sw_iic.read_byte(1);  // Read data from reg
-  }
+
   sw_iic.stop();
 }
 

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

@@ -39,42 +39,18 @@ class SW_IIC {
   private:
     uint16_t scl_pin;
     uint16_t sda_pin;
-    void write_scl(bool level)
+    void write_scl(bool level) { WRITE(scl_pin, level); }
-    {
+    void write_sda(bool level) { WRITE(sda_pin, level); }
-      WRITE(scl_pin, level);
+    bool read_sda() { return READ(sda_pin); }
-    }
+    void set_sda_out() { SET_OUTPUT(sda_pin); }
-    void write_sda(bool level)
+    void set_sda_in() { SET_INPUT_PULLUP(sda_pin); }
-    {
+    static void iic_delay(uint8_t t) { delayMicroseconds(t); }
-      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)
+    void setSCL(uint16_t scl) { scl_pin = scl; }
-    {
+    void setSDA(uint16_t sda) { sda_pin = sda; }
-      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

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

@@ -147,21 +147,36 @@ uint32_t TFT_FSMC::ReadID(tft_data_t Reg) {
 }
 
 bool TFT_FSMC::isBusy() {
-  #if defined(STM32F1xx)
+  #ifdef STM32F1xx
-    volatile bool dmaEnabled = (DMAtx.Instance->CCR & DMA_CCR_EN) != RESET;
+    #define __IS_DMA_ENABLED(__HANDLE__)      ((__HANDLE__)->Instance->CCR & DMA_CCR_EN)
+    #define __IS_DMA_CONFIGURED(__HANDLE__)   ((__HANDLE__)->Instance->CPAR != 0)
   #elif defined(STM32F4xx)
-    volatile bool dmaEnabled = DMAtx.Instance->CR & DMA_SxCR_EN;
+    #define __IS_DMA_ENABLED(__HANDLE__)      ((__HANDLE__)->Instance->CR & DMA_SxCR_EN)
+    #define __IS_DMA_CONFIGURED(__HANDLE__)   ((__HANDLE__)->Instance->PAR != 0)
   #endif
-  if (dmaEnabled) {
+
-    if (__HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TC_FLAG_INDEX(&DMAtx)) != 0 || __HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TE_FLAG_INDEX(&DMAtx)) != 0)
+  if (!__IS_DMA_CONFIGURED(&DMAtx)) return false;
+
+  // Check if DMA transfer error or transfer complete flags are set
+  if ((__HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TE_FLAG_INDEX(&DMAtx)) == 0) && (__HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TC_FLAG_INDEX(&DMAtx)) == 0)) return true;
+
+  __DSB();
   Abort();
+  return false;
 }
-  else
+
-    Abort();
+void TFT_FSMC::Abort() {
-  return dmaEnabled;
+  HAL_DMA_Abort(&DMAtx);  // Abort DMA transfer if any
+  HAL_DMA_DeInit(&DMAtx); // Deconfigure DMA
 }
 
 void TFT_FSMC::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
+  DMAtx.Init.PeriphInc = MemoryIncrease;
+  HAL_DMA_Init(&DMAtx);
+  HAL_DMA_Start(&DMAtx, (uint32_t)Data, (uint32_t)&(LCD->RAM), Count);
+}
+
+void TFT_FSMC::Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
   DMAtx.Init.PeriphInc = MemoryIncrease;
   HAL_DMA_Init(&DMAtx);
   DataTransferBegin();

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

@@ -41,6 +41,7 @@
 #define DATASIZE_8BIT  SPI_DATASIZE_8BIT
 #define DATASIZE_16BIT SPI_DATASIZE_16BIT
 #define TFT_IO_DRIVER  TFT_FSMC
+#define DMA_MAX_SIZE   0xFFFF
 
 #define TFT_DATASIZE TERN(TFT_INTERFACE_FSMC_8BIT, DATASIZE_8BIT, DATASIZE_16BIT)
 typedef TERN(TFT_INTERFACE_FSMC_8BIT, uint8_t, uint16_t) tft_data_t;
@@ -59,13 +60,14 @@ class TFT_FSMC {
 
     static uint32_t ReadID(tft_data_t Reg);
     static void Transmit(tft_data_t Data) { LCD->RAM = Data; __DSB(); }
+    static void Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
     static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
 
   public:
     static void Init();
     static uint32_t GetID();
     static bool isBusy();
-    static void Abort() { __HAL_DMA_DISABLE(&DMAtx); }
+    static void Abort();
 
     static void DataTransferBegin(uint16_t DataWidth = TFT_DATASIZE) {}
     static void DataTransferEnd() {};
@@ -73,13 +75,14 @@ class TFT_FSMC {
     static void WriteData(uint16_t Data) { Transmit(tft_data_t(Data)); }
     static void WriteReg(uint16_t Reg) { LCD->REG = tft_data_t(Reg); __DSB(); }
 
-    static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_PINC_ENABLE, Data, Count); }
+    static void WriteSequence_DMA(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_PINC_ENABLE, Data, Count); }
-    static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_PINC_DISABLE, &Data, Count); }
+    static void WriteMultiple_DMA(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_PINC_DISABLE, &Data, Count); }
+
+    static void WriteSequence(uint16_t *Data, uint16_t Count) { Transmit(DMA_PINC_ENABLE, Data, Count); }
     static void WriteMultiple(uint16_t Color, uint32_t Count) {
-      static uint16_t Data; Data = Color;
       while (Count > 0) {
-        TransmitDMA(DMA_MINC_DISABLE, &Data, Count > 0xFFFF ? 0xFFFF : Count);
+        Transmit(DMA_MINC_DISABLE, &Color, Count > DMA_MAX_SIZE ? DMA_MAX_SIZE : Count);
-        Count = Count > 0xFFFF ? Count - 0xFFFF : 0;
+        Count = Count > DMA_MAX_SIZE ? Count - DMA_MAX_SIZE : 0;
       }
     }
 };

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

@@ -356,7 +356,7 @@ void TFT_LTDC::WriteReg(uint16_t Reg) {
   reg = Reg;
 }
 
-void TFT_LTDC::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
+void TFT_LTDC::Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
 
   while (x_cur != x_min && Count) {
     Transmit(*Data);

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

@@ -32,6 +32,7 @@
 #define DATASIZE_8BIT  SPI_DATASIZE_8BIT
 #define DATASIZE_16BIT SPI_DATASIZE_16BIT
 #define TFT_IO_DRIVER  TFT_LTDC
+#define DMA_MAX_SIZE   0xFFFF
 
 #define TFT_DATASIZE DATASIZE_16BIT
 typedef uint16_t tft_data_t;
@@ -49,7 +50,7 @@ class TFT_LTDC {
     static void DrawRect(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint16_t color);
     static void DrawImage(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint16_t *colors);
     static void Transmit(tft_data_t Data);
-    static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
+    static void Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
 
   public:
     static void Init();
@@ -63,13 +64,15 @@ class TFT_LTDC {
     static void WriteData(uint16_t Data);
     static void WriteReg(uint16_t Reg);
 
-    static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_PINC_ENABLE, Data, Count); }
+    // Non-blocking DMA data transfer is not implemented for LTDC interface
-    static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_PINC_DISABLE, &Data, Count); }
+    inline static void WriteSequence_DMA(uint16_t *Data, uint16_t Count) { WriteSequence(Data, Count); }
+    inline static void WriteMultiple_DMA(uint16_t Color, uint16_t Count) { WriteMultiple(Color, Count); }
+
+    static void WriteSequence(uint16_t *Data, uint16_t Count) { Transmit(DMA_PINC_ENABLE, Data, Count); }
     static void WriteMultiple(uint16_t Color, uint32_t Count) {
-      static uint16_t Data; Data = Color;
       while (Count > 0) {
-        TransmitDMA(DMA_MINC_DISABLE, &Data, Count > 0xFFFF ? 0xFFFF : Count);
+        Transmit(DMA_PINC_DISABLE, &Color, Count > DMA_MAX_SIZE ? DMA_MAX_SIZE : Count);
-        Count = Count > 0xFFFF ? Count - 0xFFFF : 0;
+        Count = Count > DMA_MAX_SIZE ? Count - DMA_MAX_SIZE : 0;
       }
     }
 };

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

@@ -160,16 +160,13 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
 
     for (i = 0; i < 4; i++) {
       #if TFT_MISO_PIN != TFT_MOSI_PIN
-        //if (hspi->Init.Direction == SPI_DIRECTION_2LINES) {
         while (!__HAL_SPI_GET_FLAG(&SPIx, SPI_FLAG_TXE)) {}
         SPIx.Instance->DR = 0;
-        //}
       #endif
       while (!__HAL_SPI_GET_FLAG(&SPIx, SPI_FLAG_RXNE)) {}
       Data = (Data << 8) | SPIx.Instance->DR;
     }
 
-    __HAL_SPI_DISABLE(&SPIx);
     DataTransferEnd();
 
     SPIx.Init.BaudRatePrescaler   = BaudRatePrescaler;
@@ -179,36 +176,44 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
 }
 
 bool TFT_SPI::isBusy() {
-  #if defined(STM32F1xx)
+  #ifdef STM32F1xx
-    volatile bool dmaEnabled = (DMAtx.Instance->CCR & DMA_CCR_EN) != RESET;
+    #define __IS_DMA_ENABLED(__HANDLE__)      ((__HANDLE__)->Instance->CCR & DMA_CCR_EN)
+    #define __IS_DMA_CONFIGURED(__HANDLE__)   ((__HANDLE__)->Instance->CPAR != 0)
   #elif defined(STM32F4xx)
-    volatile bool dmaEnabled = DMAtx.Instance->CR & DMA_SxCR_EN;
+    #define __IS_DMA_ENABLED(__HANDLE__)      ((__HANDLE__)->Instance->CR & DMA_SxCR_EN)
+    #define __IS_DMA_CONFIGURED(__HANDLE__)   ((__HANDLE__)->Instance->PAR != 0)
   #endif
-  if (dmaEnabled) {
+
-    if (__HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TC_FLAG_INDEX(&DMAtx)) != 0 || __HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TE_FLAG_INDEX(&DMAtx)) != 0)
+  if (!__IS_DMA_CONFIGURED(&DMAtx)) return false;
-      Abort();
+
+  if (__HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TE_FLAG_INDEX(&DMAtx))) {
+    // You should not be here - DMA transfer error flag is set
+    // Abort DMA transfer and release SPI
   }
-  else
+  else {
+    // Check if DMA transfer completed flag is set
+    if (__HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TC_FLAG_INDEX(&DMAtx)) == 0) return true;
+    // Check if SPI transmit butter is empty and SPI is idle
+    if ((!__HAL_SPI_GET_FLAG(&SPIx, SPI_FLAG_TXE)) || (__HAL_SPI_GET_FLAG(&SPIx, SPI_FLAG_BSY))) return true;
+  }
+
   Abort();
-  return dmaEnabled;
+  return false;
 }
 
 void TFT_SPI::Abort() {
-  // Wait for any running spi
+  HAL_DMA_Abort(&DMAtx);  // Abort DMA transfer if any
-  while (!__HAL_SPI_GET_FLAG(&SPIx, SPI_FLAG_TXE)) {}
-  while ( __HAL_SPI_GET_FLAG(&SPIx, SPI_FLAG_BSY)) {}
-  // First, abort any running dma
-  HAL_DMA_Abort(&DMAtx);
-  // DeInit objects
   HAL_DMA_DeInit(&DMAtx);
-  HAL_SPI_DeInit(&SPIx);
+
-  // Deselect CS
+  CLEAR_BIT(SPIx.Instance->CR2, SPI_CR2_TXDMAEN);
-  DataTransferEnd();
+
+  DataTransferEnd();      // Stop SPI and deselect CS
 }
 
 void TFT_SPI::Transmit(uint16_t Data) {
-  if (TFT_MISO_PIN == TFT_MOSI_PIN)
+  #if TFT_MISO_PIN == TFT_MOSI_PIN
     SPI_1LINE_TX(&SPIx);
+  #endif
 
   __HAL_SPI_ENABLE(&SPIx);
 
@@ -217,14 +222,31 @@ void TFT_SPI::Transmit(uint16_t Data) {
   while (!__HAL_SPI_GET_FLAG(&SPIx, SPI_FLAG_TXE)) {}
   while ( __HAL_SPI_GET_FLAG(&SPIx, SPI_FLAG_BSY)) {}
 
-  if (TFT_MISO_PIN != TFT_MOSI_PIN)
+  #if TFT_MISO_PIN != TFT_MOSI_PIN
-    __HAL_SPI_CLEAR_OVRFLAG(&SPIx);   // Clear overrun flag in 2 Lines communication mode because received is not read
+    __HAL_SPI_CLEAR_OVRFLAG(&SPIx);   // Clear overrun flag in 2 Lines communication mode because received data is not read
+  #endif
 }
 
 void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
-  // Wait last dma finish, to start another
+  DMAtx.Init.MemInc = MemoryIncrease;
-  while (isBusy()) { /* nada */ }
+  HAL_DMA_Init(&DMAtx);
 
+  #if TFT_MISO_PIN == TFT_MOSI_PIN
+    SPI_1LINE_TX(&SPIx);
+  #endif
+
+  DataTransferBegin();
+
+  HAL_DMA_Start(&DMAtx, (uint32_t)Data, (uint32_t)&(SPIx.Instance->DR), Count);
+  __HAL_SPI_ENABLE(&SPIx);
+
+  SET_BIT(SPIx.Instance->CR2, SPI_CR2_TXDMAEN);   // Enable Tx DMA Request
+
+  TERN_(TFT_SHARED_SPI, while (isBusy()));
+}
+
+
+void TFT_SPI::Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
   DMAtx.Init.MemInc = MemoryIncrease;
   HAL_DMA_Init(&DMAtx);
 
@@ -243,7 +265,6 @@ void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Coun
 }
 
 #if ENABLED(USE_SPI_DMA_TC)
-
   void TFT_SPI::TransmitDMA_IT(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
 
     DMAtx.Init.MemInc = MemoryIncrease;
@@ -262,8 +283,7 @@ void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Coun
     SET_BIT(SPIx.Instance->CR2, SPI_CR2_TXDMAEN);   // Enable Tx DMA Request
   }
 
-  extern "C" void DMA2_Stream3_IRQHandler(void) { HAL_DMA_IRQHandler(&TFT_SPI::DMAtx); }
+  extern "C" void DMA2_Stream3_IRQHandler(void) { TFT_SPI::DMA_IRQHandler(); }
-
 #endif
 
 #endif // HAS_SPI_TFT

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

@@ -39,46 +39,47 @@
 #define DATASIZE_8BIT  SPI_DATASIZE_8BIT
 #define DATASIZE_16BIT SPI_DATASIZE_16BIT
 #define TFT_IO_DRIVER  TFT_SPI
+#define DMA_MAX_SIZE   0xFFFF
 
 class TFT_SPI {
 private:
   static SPI_HandleTypeDef SPIx;
-
+  static DMA_HandleTypeDef DMAtx;
 
   static uint32_t ReadID(uint16_t Reg);
   static void Transmit(uint16_t Data);
+  static void Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
   static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
   #if ENABLED(USE_SPI_DMA_TC)
     static void TransmitDMA_IT(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
   #endif
 
 public:
-  static DMA_HandleTypeDef DMAtx;
-
   static void Init();
   static uint32_t GetID();
   static bool isBusy();
   static void Abort();
 
   static void DataTransferBegin(uint16_t DataWidth = DATASIZE_16BIT);
-  static void DataTransferEnd() { WRITE(TFT_CS_PIN, HIGH); };
+  static void DataTransferEnd() { WRITE(TFT_CS_PIN, HIGH); __HAL_SPI_DISABLE(&SPIx); };
   static void DataTransferAbort();
 
   static void WriteData(uint16_t Data) { Transmit(Data); }
   static void WriteReg(uint16_t Reg) { WRITE(TFT_A0_PIN, LOW); Transmit(Reg); WRITE(TFT_A0_PIN, HIGH); }
 
-  static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_MINC_ENABLE, Data, Count); }
+  static void WriteSequence_DMA(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_MINC_ENABLE, Data, Count); }
+  static void WriteMultiple_DMA(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
 
   #if ENABLED(USE_SPI_DMA_TC)
     static void WriteSequenceIT(uint16_t *Data, uint16_t Count) { TransmitDMA_IT(DMA_MINC_ENABLE, Data, Count); }
+    inline static void DMA_IRQHandler() { HAL_DMA_IRQHandler(&TFT_SPI::DMAtx); }
   #endif
 
-  static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
+  static void WriteSequence(uint16_t *Data, uint16_t Count) { Transmit(DMA_MINC_ENABLE, Data, Count); }
   static void WriteMultiple(uint16_t Color, uint32_t Count) {
-    static uint16_t Data; Data = Color;
     while (Count > 0) {
-      TransmitDMA(DMA_MINC_DISABLE, &Data, Count > 0xFFFF ? 0xFFFF : Count);
+      Transmit(DMA_MINC_DISABLE, &Color, Count > DMA_MAX_SIZE ? DMA_MAX_SIZE : Count);
-      Count = Count > 0xFFFF ? Count - 0xFFFF : 0;
+      Count = Count > DMA_MAX_SIZE ? Count - DMA_MAX_SIZE : 0;
     }
   }
 };

Marlin/src/HAL/STM32F1/SPI.cpp

@@ -541,8 +541,7 @@ void SPIClass::onReceive(void(*callback)()) {
           dma_attach_interrupt(_currentSetting->spiDmaDev, _currentSetting->spiRxDmaChannel, &SPIClass::_spi3EventCallback);
           break;
       #endif
-    default:
+      default: ASSERT(0);
-      ASSERT(0);
     }
   }
   else {
@@ -569,8 +568,7 @@ void SPIClass::onTransmit(void(*callback)()) {
           dma_attach_interrupt(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel, &SPIClass::_spi3EventCallback);
           break;
       #endif
-    default:
+      default: ASSERT(0);
-      ASSERT(0);
     }
   }
   else {

Marlin/src/HAL/STM32F1/SPI.h

@@ -33,6 +33,15 @@
 #include <stdint.h>
 #include <wirish.h>
 
+// Number of SPI ports
+#ifdef BOARD_SPI3_SCK_PIN
+  #define BOARD_NR_SPI 3
+#elif defined(BOARD_SPI2_SCK_PIN)
+  #define BOARD_NR_SPI 2
+#elif defined(BOARD_SPI1_SCK_PIN)
+  #define BOARD_NR_SPI 1
+#endif
+
 // SPI_HAS_TRANSACTION means SPI has
 //   - beginTransaction()
 //   - endTransaction()

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

@@ -215,22 +215,47 @@ uint32_t TFT_FSMC::GetID() {
  }
 
 bool TFT_FSMC::isBusy() {
+  #define __IS_DMA_CONFIGURED(__DMAx__, __CHx__)   (dma_channel_regs(__DMAx__, __CHx__)->CPAR != 0)
+
+  if (!__IS_DMA_CONFIGURED(FSMC_DMA_DEV, FSMC_DMA_CHANNEL)) return false;
+
+  // Check if DMA transfer error or transfer complete flags are set
+  if ((dma_get_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL) & (DMA_ISR_TCIF | DMA_ISR_TEIF)) == 0) return true;
+
+  __DSB();
+  Abort();
   return false;
 }
 
 void TFT_FSMC::Abort() {
+  dma_channel_reg_map *channel_regs = dma_channel_regs(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
 
+  dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL); // Abort DMA transfer if any
+
+  // Deconfigure DMA
+  channel_regs->CCR   = 0U;
+  channel_regs->CNDTR = 0U;
+  channel_regs->CMAR  = 0U;
+  channel_regs->CPAR  = 0U;
 }
 
 void TFT_FSMC::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
+  // TODO: HAL STM32 uses DMA2_Channel1 for FSMC on STM32F1
+  dma_setup_transfer(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Data, DMA_SIZE_16BITS, &LCD->RAM, DMA_SIZE_16BITS, DMA_MEM_2_MEM | MemoryIncrease);
+  dma_set_num_transfers(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Count);
+  dma_clear_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
+  dma_enable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
+}
+
+void TFT_FSMC::Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
   #if defined(FSMC_DMA_DEV) && defined(FSMC_DMA_CHANNEL)
     dma_setup_transfer(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Data, DMA_SIZE_16BITS, &LCD->RAM, DMA_SIZE_16BITS, DMA_MEM_2_MEM | MemoryIncrease);
     dma_set_num_transfers(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Count);
     dma_clear_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
     dma_enable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
 
-    while ((dma_get_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL) & 0x0A) == 0) {};
+    while ((dma_get_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL) & (DMA_CCR_TEIE | DMA_CCR_TCIE)) == 0) {}
-    dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
+    Abort();
   #endif
 }
 

Marlin/src/HAL/STM32F1/tft/tft_fsmc.h

@@ -33,6 +33,10 @@
 #define DATASIZE_8BIT  DMA_SIZE_8BITS
 #define DATASIZE_16BIT DMA_SIZE_16BITS
 #define TFT_IO_DRIVER  TFT_FSMC
+#define DMA_MAX_SIZE   0xFFFF
+
+#define DMA_PINC_ENABLE   DMA_PINC_MODE
+#define DMA_PINC_DISABLE  0
 
 typedef struct {
   __IO uint16_t REG;
@@ -45,6 +49,7 @@ class TFT_FSMC {
 
     static uint32_t ReadID(uint16_t Reg);
     static void Transmit(uint16_t Data);
+    static void Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
     static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
 
   public:
@@ -59,13 +64,14 @@ class TFT_FSMC {
     static void WriteData(uint16_t Data) { Transmit(Data); }
     static void WriteReg(uint16_t Reg);
 
-    static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_PINC_MODE, Data, Count); }
+    static void WriteSequence_DMA(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_PINC_ENABLE, Data, Count); }
-    static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_CIRC_MODE, &Data, Count); }
+    static void WriteMultiple_DMA(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_PINC_DISABLE, &Data, Count); }
+
+    static void WriteSequence(uint16_t *Data, uint16_t Count) { Transmit(DMA_PINC_ENABLE, Data, Count); }
     static void WriteMultiple(uint16_t Color, uint32_t Count) {
-      static uint16_t Data; Data = Color;
       while (Count > 0) {
-        TransmitDMA(DMA_CIRC_MODE, &Data, Count > 0xFFFF ? 0xFFFF : Count);
+        Transmit(DMA_PINC_DISABLE, &Color, Count > DMA_MAX_SIZE ? DMA_MAX_SIZE : Count);
-        Count = Count > 0xFFFF ? Count - 0xFFFF : 0;
+        Count = Count > DMA_MAX_SIZE ? Count - DMA_MAX_SIZE : 0;
       }
     }
 };

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

@@ -26,7 +26,7 @@
 
 #include "tft_spi.h"
 
-SPIClass TFT_SPI::SPIx(1);
+SPIClass TFT_SPI::SPIx(TFT_SPI_DEVICE);
 
 void TFT_SPI::Init() {
   #if PIN_EXISTS(TFT_RESET)
@@ -46,7 +46,7 @@ void TFT_SPI::Init() {
    * STM32F1 has 3 SPI ports, SPI1 in APB2, SPI2/SPI3 in APB1
    * so the minimum prescale of SPI1 is DIV4, SPI2/SPI3 is DIV2
    */
-  #if SPI_DEVICE == 1
+  #if TFT_SPI_DEVICE == 1
     #define SPI_CLOCK_MAX SPI_CLOCK_DIV4
   #else
     #define SPI_CLOCK_MAX SPI_CLOCK_DIV2
@@ -62,7 +62,7 @@ void TFT_SPI::Init() {
     case SPI_SPEED_6:       clock = SPI_CLOCK_DIV64; break;
     default:                clock = SPI_CLOCK_DIV2;  // Default from the SPI library
   }
-  SPIx.setModule(1);
+  SPIx.setModule(TFT_SPI_DEVICE);
   SPIx.setClockDivider(clock);
   SPIx.setBitOrder(MSBFIRST);
   SPIx.setDataMode(SPI_MODE0);
@@ -71,7 +71,7 @@ void TFT_SPI::Init() {
 void TFT_SPI::DataTransferBegin(uint16_t DataSize) {
   SPIx.setDataSize(DataSize);
   SPIx.begin();
-  OUT_WRITE(TFT_CS_PIN, LOW);
+  WRITE(TFT_CS_PIN, LOW);
 }
 
 #ifdef TFT_DEFAULT_DRIVER
@@ -113,15 +113,53 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
   #endif
 }
 
-bool TFT_SPI::isBusy() { return false; }
+bool TFT_SPI::isBusy() {
+  #define __IS_DMA_CONFIGURED(__DMAx__, __CHx__)   (dma_channel_regs(__DMAx__, __CHx__)->CPAR != 0)
 
-void TFT_SPI::Abort() { DataTransferEnd(); }
+  if (!__IS_DMA_CONFIGURED(DMAx, DMA_CHx)) return false;
+
+  if (dma_get_isr_bits(DMAx, DMA_CHx) & DMA_ISR_TEIF) {
+    // You should not be here - DMA transfer error flag is set
+    // Abort DMA transfer and release SPI
+  }
+  else {
+    // Check if DMA transfer completed flag is set
+    if (!(dma_get_isr_bits(DMAx, DMA_CHx) & DMA_ISR_TCIF)) return true;
+    // Check if SPI TX butter is empty and SPI is idle
+    if (!(SPIdev->regs->SR & SPI_SR_TXE) || (SPIdev->regs->SR & SPI_SR_BSY)) return true;
+  }
+
+  Abort();
+  return false;
+}
+
+void TFT_SPI::Abort() {
+  dma_channel_reg_map *channel_regs = dma_channel_regs(DMAx, DMA_CHx);
+
+  dma_disable(DMAx, DMA_CHx); // Abort DMA transfer if any
+  spi_tx_dma_disable(SPIdev);
+
+  // Deconfigure DMA
+  channel_regs->CCR   = 0U;
+  channel_regs->CNDTR = 0U;
+  channel_regs->CMAR  = 0U;
+  channel_regs->CPAR  = 0U;
+
+  DataTransferEnd();
+}
 
 void TFT_SPI::Transmit(uint16_t Data) { SPIx.send(Data); }
 
 void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
   DataTransferBegin();
-  OUT_WRITE(TFT_DC_PIN, HIGH);
+  SPIx.dmaSendAsync(Data, Count, MemoryIncrease == DMA_MINC_ENABLE);
+
+  TERN_(TFT_SHARED_SPI, while (isBusy()));
+}
+
+void TFT_SPI::Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
+  WRITE(TFT_DC_PIN, HIGH);
+  DataTransferBegin();
   SPIx.dmaSend(Data, Count, MemoryIncrease == DMA_MINC_ENABLE);
   DataTransferEnd();
 }

Marlin/src/HAL/STM32F1/tft/tft_spi.h

@@ -25,6 +25,27 @@
 
 #include <SPI.h>
 
+#define IS_SPI(N) (BOARD_NR_SPI >= N && (TFT_SCK_PIN == BOARD_SPI##N##_SCK_PIN) && (TFT_MOSI_PIN == BOARD_SPI##N##_MOSI_PIN) && (TFT_MISO_PIN == BOARD_SPI##N##_MISO_PIN))
+#if IS_SPI(1)
+  #define TFT_SPI_DEVICE  1
+  #define SPIdev          SPI1
+  #define DMAx            DMA1
+  #define DMA_CHx         DMA_CH3
+#elif IS_SPI(2)
+  #define TFT_SPI_DEVICE  2
+  #define SPIdev          SPI2
+  #define DMAx            DMA1
+  #define DMA_CHx         DMA_CH5
+#elif IS_SPI(3)
+  #define TFT_SPI_DEVICE  3
+  #define SPIdev          SPI3
+  #define DMAx            DMA2
+  #define DMA_CHx         DMA_CH2
+#else
+  #error "Invalid TFT SPI configuration."
+#endif
+#undef IS_SPI
+
 #ifndef LCD_READ_ID
   #define LCD_READ_ID 0x04   // Read display identification information (0xD3 on ILI9341)
 #endif
@@ -35,14 +56,16 @@
 #define DATASIZE_8BIT  DATA_SIZE_8BIT
 #define DATASIZE_16BIT DATA_SIZE_16BIT
 #define TFT_IO_DRIVER  TFT_SPI
+#define DMA_MAX_SIZE   0xFFFF
 
-#define DMA_MINC_ENABLE 1
+#define DMA_MINC_ENABLE   DMA_MINC_MODE
 #define DMA_MINC_DISABLE  0
 
 class TFT_SPI {
 private:
   static uint32_t ReadID(uint16_t Reg);
   static void Transmit(uint16_t Data);
+  static void Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
   static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
 
 public:
@@ -58,15 +81,16 @@ public:
   static void DataTransferAbort();
 
   static void WriteData(uint16_t Data) { Transmit(Data); }
-  static void WriteReg(uint16_t Reg) { WRITE(TFT_A0_PIN, LOW); Transmit(Reg); WRITE(TFT_A0_PIN, HIGH); }
+  static void WriteReg(uint16_t Reg) { WRITE(TFT_DC_PIN, LOW); Transmit(Reg); WRITE(TFT_DC_PIN, HIGH); }
 
-  static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_MINC_ENABLE, Data, Count); }
+  static void WriteSequence_DMA(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_MINC_ENABLE, Data, Count); }
-  static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
+  static void WriteMultiple_DMA(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
+
+  static void WriteSequence(uint16_t *Data, uint16_t Count) { Transmit(DMA_MINC_ENABLE, Data, Count); }
   static void WriteMultiple(uint16_t Color, uint32_t Count) {
-    static uint16_t Data; Data = Color;
     while (Count > 0) {
-      TransmitDMA(DMA_MINC_DISABLE, &Data, Count > 0xFFFF ? 0xFFFF : Count);
+      Transmit(DMA_MINC_DISABLE, &Color, Count > DMA_MAX_SIZE ? DMA_MAX_SIZE : Count);
-      Count = Count > 0xFFFF ? Count - 0xFFFF : 0;
+      Count = Count > DMA_MAX_SIZE ? Count - DMA_MAX_SIZE : 0;
     }
   }
 };

Marlin/src/HAL/TEENSY40_41/pinsDebug.h

@@ -36,7 +36,7 @@
 #define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)
 #define GET_ARRAY_PIN(p) pin_array[p].pin
 #define GET_ARRAY_IS_DIGITAL(p) pin_array[p].is_digital
-#define VALID_PIN(pin) (pin >= 0 && pin < (int8_t)NUMBER_PINS_TOTAL ? 1 : 0)
+#define VALID_PIN(pin) (pin >= 0 && pin < int8_t(NUMBER_PINS_TOTAL))
 #define DIGITAL_PIN_TO_ANALOG_PIN(p) int(p - analogInputToDigitalPin(0))
 #define IS_ANALOG(P) ((P) >= analogInputToDigitalPin(0) && (P) <= analogInputToDigitalPin(13)) || ((P) >= analogInputToDigitalPin(14) && (P) <= analogInputToDigitalPin(17))
 #define pwm_status(pin) HAL_pwm_status(pin)

Marlin/src/HAL/platforms.h

@@ -50,6 +50,8 @@
   #define HAL_PATH(PATH, NAME) XSTR(PATH/NATIVE_SIM/NAME)
 #elif defined(__SAMD51__)
   #define HAL_PATH(PATH, NAME) XSTR(PATH/SAMD51/NAME)
+#elif defined(__SAMD21__)
+  #define HAL_PATH(PATH, NAME) XSTR(PATH/SAMD21/NAME)
 #else
   #error "Unsupported Platform!"
 #endif

Marlin/src/HAL/shared/backtrace/unwarm.cpp

@@ -35,6 +35,7 @@ void UnwPrintf(const char *format, ...) {
 
   va_start(args, format);
   vprintf(format, args);
+  va_end(args);
 }
 #endif
 

Marlin/src/HAL/shared/servo.h

@@ -83,10 +83,10 @@
 #else
   #include <stdint.h>
 
-  #if defined(__AVR__) || defined(ARDUINO_ARCH_SAM) || defined(__SAMD51__)
+  #if defined(__AVR__) || defined(ARDUINO_ARCH_SAM) || defined(__SAMD51__) || defined(__SAMD21__)
     // we're good to go
   #else
-    #error "This library only supports boards with an AVR, SAM3X or SAMD51 processor."
+    #error "This library only supports boards with an AVR, SAM3X, SAMD21 or SAMD51 processor."
   #endif
 
   #define Servo_VERSION           2     // software version of this library

Marlin/src/HAL/shared/servo_private.h

@@ -49,8 +49,10 @@
   #include "../DUE/ServoTimers.h"
 #elif defined(__SAMD51__)
   #include "../SAMD51/ServoTimers.h"
+#elif defined(__SAMD21__)
+  #include "../SAMD21/ServoTimers.h"
 #else
-  #error "This library only supports boards with an AVR, SAM3X or SAMD51 processor."
+  #error "This library only supports boards with an AVR, SAM3X, SAMD21 or SAMD51 processor."
 #endif
 
 // Macros

Marlin/src/MarlinCore.cpp

@@ -353,7 +353,7 @@ void startOrResumeJob() {
     TERN_(GCODE_REPEAT_MARKERS, repeat.reset());
     TERN_(CANCEL_OBJECTS, cancelable.reset());
     TERN_(LCD_SHOW_E_TOTAL, e_move_accumulator = 0);
-    #if BOTH(LCD_SET_PROGRESS_MANUALLY, USE_M73_REMAINING_TIME)
+    #if ENABLED(SET_REMAINING_TIME)
       ui.reset_remaining_time();
     #endif
   }
@@ -582,7 +582,7 @@ inline void manage_inactivity(const bool no_stepper_sleep=false) {
     }
   #endif
 
-  #if HAS_FREEZE_PIN
+  #if ENABLED(FREEZE_FEATURE)
     stepper.frozen = READ(FREEZE_PIN) == FREEZE_STATE;
   #endif
 

Marlin/src/core/boards.h

@@ -110,15 +110,16 @@
 #define BOARD_COPYMASTER_3D           1154  // Copymaster 3D
 #define BOARD_ORTUR_4                 1155  // Ortur 4
 #define BOARD_TENLOG_D3_HERO          1156  // Tenlog D3 Hero IDEX printer
-#define BOARD_RAMPS_S_12_EEFB         1157  // Ramps S 1.2 by Sakul.cz (Power outputs: Hotend0, Hotend1, Fan, Bed)
+#define BOARD_TENLOG_MB1_V23          1157  // Tenlog D3, D5, D6 IDEX Printer
-#define BOARD_RAMPS_S_12_EEEB         1158  // Ramps S 1.2 by Sakul.cz (Power outputs: Hotend0, Hotend1, Hotend2, Bed)
+#define BOARD_RAMPS_S_12_EEFB         1158  // Ramps S 1.2 by Sakul.cz (Power outputs: Hotend0, Hotend1, Fan, Bed)
-#define BOARD_RAMPS_S_12_EFFB         1159  // Ramps S 1.2 by Sakul.cz (Power outputs: Hotend, Fan0, Fan1, Bed)
+#define BOARD_RAMPS_S_12_EEEB         1159  // Ramps S 1.2 by Sakul.cz (Power outputs: Hotend0, Hotend1, Hotend2, Bed)
-#define BOARD_LONGER3D_LK1_PRO        1160  // Longer LK1 PRO / Alfawise U20 Pro (PRO version)
+#define BOARD_RAMPS_S_12_EFFB         1160  // Ramps S 1.2 by Sakul.cz (Power outputs: Hotend, Fan0, Fan1, Bed)
-#define BOARD_LONGER3D_LKx_PRO        1161  // Longer LKx PRO / Alfawise Uxx Pro (PRO version)
+#define BOARD_LONGER3D_LK1_PRO        1161  // Longer LK1 PRO / Alfawise U20 Pro (PRO version)
-#define BOARD_ZRIB_V53                1162  // Zonestar zrib V5.3 (Chinese RAMPS replica)
+#define BOARD_LONGER3D_LKx_PRO        1162  // Longer LKx PRO / Alfawise Uxx Pro (PRO version)
-#define BOARD_PXMALION_CORE_I3        1163  // Pxmalion Core I3
+#define BOARD_ZRIB_V53                1163  // Zonestar zrib V5.3 (Chinese RAMPS replica)
+#define BOARD_PXMALION_CORE_I3        1164  // Pxmalion Core I3
 // PATCH START: Knutwurst
-#define BOARD_TRIGORILLA_CHIRON       1164  // TriGorilla Anycubic version 1.4 based on RAMPS EFB for Chiron
+#define BOARD_TRIGORILLA_CHIRON       1165  // TriGorilla Anycubic version 1.4 based on RAMPS EFB for Chiron
 // PATCH END: Knutwurst
 
 //
@@ -327,50 +328,53 @@
 #define BOARD_MKS_ROBIN_E3D           4020  // MKS Robin E3D (STM32F103RC)
 #define BOARD_MKS_ROBIN_E3D_V1_1      4021  // MKS Robin E3D V1.1 (STM32F103RC)
 #define BOARD_MKS_ROBIN_E3P           4022  // MKS Robin E3p (STM32F103VE)
-#define BOARD_BTT_SKR_MINI_V1_1       4023  // BigTreeTech SKR Mini v1.1 (STM32F103RC)
+#define BOARD_BTT_EBB42_V1_1          4023  // BigTreeTech EBB42 V1.1 (STM32G0B1CB)
-#define BOARD_BTT_SKR_MINI_E3_V1_0    4024  // BigTreeTech SKR Mini E3 (STM32F103RC)
+#define BOARD_BTT_SKR_MINI_V1_1       4024  // BigTreeTech SKR Mini v1.1 (STM32F103RC)
-#define BOARD_BTT_SKR_MINI_E3_V1_2    4025  // BigTreeTech SKR Mini E3 V1.2 (STM32F103RC)
+#define BOARD_BTT_SKR_MINI_E3_V1_0    4025  // BigTreeTech SKR Mini E3 (STM32F103RC)
-#define BOARD_BTT_SKR_MINI_E3_V2_0    4026  // BigTreeTech SKR Mini E3 V2.0 (STM32F103RC / STM32F103RE)
+#define BOARD_BTT_SKR_MINI_E3_V1_2    4026  // BigTreeTech SKR Mini E3 V1.2 (STM32F103RC)
-#define BOARD_BTT_SKR_MINI_E3_V3_0    4027  // BigTreeTech SKR Mini E3 V3.0 (STM32G0B1RE)
+#define BOARD_BTT_SKR_MINI_E3_V2_0    4027  // BigTreeTech SKR Mini E3 V2.0 (STM32F103RC / STM32F103RE)
-#define BOARD_BTT_SKR_MINI_MZ_V1_0    4028  // BigTreeTech SKR Mini MZ V1.0 (STM32F103RC)
+#define BOARD_BTT_SKR_MINI_E3_V3_0    4028  // BigTreeTech SKR Mini E3 V3.0 (STM32G0B1RE)
-#define BOARD_BTT_SKR_E3_DIP          4029  // BigTreeTech SKR E3 DIP V1.0 (STM32F103RC / STM32F103RE)
+#define BOARD_BTT_SKR_MINI_E3_V3_0_1  4029  // BigTreeTech SKR Mini E3 V3.0.1 (STM32F401RC)
-#define BOARD_BTT_SKR_CR6             4030  // BigTreeTech SKR CR6 v1.0 (STM32F103RE)
+#define BOARD_BTT_SKR_MINI_MZ_V1_0    4030  // BigTreeTech SKR Mini MZ V1.0 (STM32F103RC)
-#define BOARD_JGAURORA_A5S_A1         4031  // JGAurora A5S A1 (STM32F103ZE)
+#define BOARD_BTT_SKR_E3_DIP          4031  // BigTreeTech SKR E3 DIP V1.0 (STM32F103RC / STM32F103RE)
-#define BOARD_FYSETC_AIO_II           4032  // FYSETC AIO_II (STM32F103RC)
+#define BOARD_BTT_SKR_CR6             4032  // BigTreeTech SKR CR6 v1.0 (STM32F103RE)
-#define BOARD_FYSETC_CHEETAH          4033  // FYSETC Cheetah (STM32F103RC)
+#define BOARD_JGAURORA_A5S_A1         4033  // JGAurora A5S A1 (STM32F103ZE)
-#define BOARD_FYSETC_CHEETAH_V12      4034  // FYSETC Cheetah V1.2 (STM32F103RC)
+#define BOARD_FYSETC_AIO_II           4034  // FYSETC AIO_II (STM32F103RC)
-#define BOARD_LONGER3D_LK             4035  // Longer3D LK1/2 - Alfawise U20/U20+/U30 (STM32F103VE)
+#define BOARD_FYSETC_CHEETAH          4035  // FYSETC Cheetah (STM32F103RC)
-#define BOARD_CCROBOT_MEEB_3DP        4036  // ccrobot-online.com MEEB_3DP (STM32F103RC)
+#define BOARD_FYSETC_CHEETAH_V12      4036  // FYSETC Cheetah V1.2 (STM32F103RC)
-#define BOARD_CHITU3D_V5              4037  // Chitu3D TronXY X5SA V5 Board (STM32F103ZE)
+#define BOARD_LONGER3D_LK             4037  // Longer3D LK1/2 - Alfawise U20/U20+/U30 (STM32F103VE)
-#define BOARD_CHITU3D_V6              4038  // Chitu3D TronXY X5SA V6 Board (STM32F103ZE)
+#define BOARD_CCROBOT_MEEB_3DP        4038  // ccrobot-online.com MEEB_3DP (STM32F103RC)
-#define BOARD_CHITU3D_V9              4039  // Chitu3D TronXY X5SA V9 Board (STM32F103ZE)
+#define BOARD_CHITU3D_V5              4039  // Chitu3D TronXY X5SA V5 Board (STM32F103ZE)
-#define BOARD_CREALITY_V4             4040  // Creality v4.x (STM32F103RC / STM32F103RE)
+#define BOARD_CHITU3D_V6              4040  // Chitu3D TronXY X5SA V6 Board (STM32F103ZE)
-#define BOARD_CREALITY_V422           4041  // Creality v4.2.2 (STM32F103RC / STM32F103RE)
+#define BOARD_CHITU3D_V9              4041  // Chitu3D TronXY X5SA V9 Board (STM32F103ZE)
-#define BOARD_CREALITY_V423           4042  // Creality v4.2.3 (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V4             4042  // Creality v4.x (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V425           4043  // Creality v4.2.5 (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V422           4043  // Creality v4.2.2 (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V427           4044  // Creality v4.2.7 (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V423           4044  // Creality v4.2.3 (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V4210          4045  // Creality v4.2.10 (STM32F103RC / STM32F103RE) as found in the CR-30
+#define BOARD_CREALITY_V425           4045  // Creality v4.2.5 (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V431           4046  // Creality v4.3.1 (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V427           4046  // Creality v4.2.7 (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V431_A         4047  // Creality v4.3.1a (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V4210          4047  // Creality v4.2.10 (STM32F103RC / STM32F103RE) as found in the CR-30
-#define BOARD_CREALITY_V431_B         4048  // Creality v4.3.1b (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V431           4048  // Creality v4.3.1 (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V431_C         4049  // Creality v4.3.1c (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V431_A         4049  // Creality v4.3.1a (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V431_D         4050  // Creality v4.3.1d (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V431_B         4050  // Creality v4.3.1b (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V452           4051  // Creality v4.5.2 (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V431_C         4051  // Creality v4.3.1c (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V453           4052  // Creality v4.5.3 (STM32F103RC / STM32F103RE)
+#define BOARD_CREALITY_V431_D         4052  // Creality v4.3.1d (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V24S1          4053  // Creality v2.4.S1 (STM32F103RC / STM32F103RE) v101 as found in the Ender-7
+#define BOARD_CREALITY_V452           4053  // Creality v4.5.2 (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V24S1_301      4054  // Creality v2.4.S1_301 (STM32F103RC / STM32F103RE) v301 as found in the Ender-3 S1
+#define BOARD_CREALITY_V453           4054  // Creality v4.5.3 (STM32F103RC / STM32F103RE)
-#define BOARD_CREALITY_V25S1          4055  // Creality v2.5.S1 (STM32F103RE) as found in the CR-10 Smart Pro
+#define BOARD_CREALITY_V521           4055  // Creality v5.2.1 (STM32F103VE) as found in the SV04
-#define BOARD_TRIGORILLA_PRO          4056  // Trigorilla Pro (STM32F103ZE)
+#define BOARD_CREALITY_V24S1          4056  // Creality v2.4.S1 (STM32F103RC / STM32F103RE) v101 as found in the Ender-7
-#define BOARD_FLY_MINI                4057  // FLYmaker FLY MINI (STM32F103RC)
+#define BOARD_CREALITY_V24S1_301      4057  // Creality v2.4.S1_301 (STM32F103RC / STM32F103RE) v301 as found in the Ender-3 S1
-#define BOARD_FLSUN_HISPEED           4058  // FLSUN HiSpeedV1 (STM32F103VE)
+#define BOARD_CREALITY_V25S1          4058  // Creality v2.5.S1 (STM32F103RE) as found in the CR-10 Smart Pro
-#define BOARD_BEAST                   4059  // STM32F103RE Libmaple-based controller
+#define BOARD_TRIGORILLA_PRO          4059  // Trigorilla Pro (STM32F103ZE)
-#define BOARD_MINGDA_MPX_ARM_MINI     4060  // STM32F103ZE Mingda MD-16
+#define BOARD_FLY_MINI                4060  // FLYmaker FLY MINI (STM32F103RC)
-#define BOARD_GTM32_PRO_VD            4061  // STM32F103VE controller
+#define BOARD_FLSUN_HISPEED           4061  // FLSUN HiSpeedV1 (STM32F103VE)
-#define BOARD_ZONESTAR_ZM3E2          4062  // Zonestar ZM3E2    (STM32F103RC)
+#define BOARD_BEAST                   4062  // STM32F103RE Libmaple-based controller
-#define BOARD_ZONESTAR_ZM3E4          4063  // Zonestar ZM3E4 V1 (STM32F103VC)
+#define BOARD_MINGDA_MPX_ARM_MINI     4063  // STM32F103ZE Mingda MD-16
-#define BOARD_ZONESTAR_ZM3E4V2        4064  // Zonestar ZM3E4 V2 (STM32F103VC)
+#define BOARD_GTM32_PRO_VD            4064  // STM32F103VE controller
-#define BOARD_ERYONE_ERY32_MINI       4065  // Eryone Ery32 mini (STM32F103VE)
+#define BOARD_ZONESTAR_ZM3E2          4065  // Zonestar ZM3E2    (STM32F103RC)
-#define BOARD_PANDA_PI_V29            4066  // Panda Pi V2.9 - Standalone (STM32F103RC)
+#define BOARD_ZONESTAR_ZM3E4          4066  // Zonestar ZM3E4 V1 (STM32F103VC)
+#define BOARD_ZONESTAR_ZM3E4V2        4067  // Zonestar ZM3E4 V2 (STM32F103VC)
+#define BOARD_ERYONE_ERY32_MINI       4068  // Eryone Ery32 mini (STM32F103VE)
+#define BOARD_PANDA_PI_V29            4069  // Panda Pi V2.9 - Standalone (STM32F103RC)
 
 //
 // ARM Cortex-M4F
@@ -424,6 +428,10 @@
 #define BOARD_ARTILLERY_RUBY          4238  // Artillery Ruby (STM32F401RC)
 #define BOARD_FYSETC_SPIDER_V2_2      4239  // FYSETC Spider V2.2 (STM32F446VE)
 #define BOARD_CREALITY_V24S1_301F4    4240  // Creality v2.4.S1_301F4 (STM32F401RC) as found in the Ender-3 S1 F4
+#define BOARD_OPULO_LUMEN_REV4        4241  // Opulo Lumen PnP Controller REV4 (STM32F407VE / STM32F407VG)
+#define BOARD_FYSETC_SPIDER_KING407   4242  // FYSETC Spider King407 (STM32F407ZG)
+#define BOARD_MKS_SKIPR_V1            4243  // MKS SKIPR v1.0 all-in-one board (STM32F407VE)
+#define BOARD_TRONXY_V10              4244  // TRONXY V10 (STM32F446ZE)
 
 //
 // ARM Cortex M7
@@ -461,6 +469,12 @@
 #define BOARD_BRICOLEMON_V1_0         6101  // Bricolemon
 #define BOARD_BRICOLEMON_LITE_V1_0    6102  // Bricolemon Lite
 
+//
+// SAMD21 ARM Cortex M4
+//
+
+#define BOARD_MINITRONICS20           6103  // Minitronics v2.0
+
 //
 // Custom board
 //

Marlin/src/core/drivers.h

@@ -125,6 +125,8 @@
                            || AXIS_DRIVER_TYPE(A,TMC2660) \
                            || AXIS_DRIVER_TYPE(A,TMC5130) || AXIS_DRIVER_TYPE(A,TMC5160) )
 
+#define AXIS_IS_TMC_CONFIG(A)   ( AXIS_IS_TMC(A) || AXIS_DRIVER_TYPE(A,TMC26X) )
+
 // Test for a driver that uses SPI - this allows checking whether a _CS_ pin
 // is considered sensitive
 #define AXIS_HAS_SPI(A)  (    AXIS_DRIVER_TYPE(A,TMC2130) || AXIS_DRIVER_TYPE(A,TMC2160) \

Marlin/src/core/language.h

@@ -174,6 +174,7 @@
 #define STR_SD_VOL_INIT_FAIL                "volume.init failed"
 #define STR_SD_OPENROOT_FAIL                "openRoot failed"
 #define STR_SD_CARD_OK                      "SD card ok"
+#define STR_SD_CARD_RELEASED                "SD card released"
 #define STR_SD_WORKDIR_FAIL                 "workDir open failed"
 #define STR_SD_OPEN_FILE_FAIL               "open failed, File: "
 #define STR_SD_FILE_OPENED                  "File opened: "

Marlin/src/core/macros.h

@@ -21,7 +21,7 @@
  */
 #pragma once
 
-#if !defined(__has_include)
+#ifndef __has_include
   #define __has_include(...) 1
 #endif
 
@@ -338,6 +338,12 @@
 #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_26(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z
+#define LIST_25(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y
+#define LIST_24(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X
+#define LIST_23(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W
+#define LIST_22(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V
+#define LIST_21(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U
 #define LIST_20(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T
 #define LIST_19(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S
 #define LIST_18(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R
@@ -732,6 +738,7 @@
 #define MAPLIST(OP,V...) EVAL(_MAPLIST(OP,V))
 
 // Temperature Sensor Config
-#define _HAS_E_TEMP(N) || (TEMP_SENSOR_##N != 0)
+#define TEMP_SENSOR(N) TEMP_SENSOR_##N
+#define _HAS_E_TEMP(N) || TEMP_SENSOR(N)
 #define HAS_E_TEMP_SENSOR (0 REPEAT(EXTRUDERS, _HAS_E_TEMP))
-#define TEMP_SENSOR_IS_MAX_TC(T) (TEMP_SENSOR_##T == -5 || TEMP_SENSOR_##T == -3 || TEMP_SENSOR_##T == -2)
+#define TEMP_SENSOR_IS_MAX_TC(T) (TEMP_SENSOR(T) == -5 || TEMP_SENSOR(T) == -3 || TEMP_SENSOR(T) == -2)

Marlin/src/core/types.h

@@ -36,6 +36,8 @@ struct IF { typedef R type; };
 template <class L, class R>
 struct IF<true, L, R> { typedef L type; };
 
+#define ALL_AXIS_NAMES X, X2, Y, Y2, Z, Z2, Z3, Z4, I, J, K, U, V, W, E0, E1, E2, E3, E4, E5, E6, E7
+
 #define NUM_AXIS_GANG(V...) GANG_N(NUM_AXES, V)
 #define NUM_AXIS_CODE(V...) CODE_N(NUM_AXES, V)
 #define NUM_AXIS_LIST(V...) LIST_N(NUM_AXES, V)
@@ -99,8 +101,8 @@ struct Flags {
   void set(const int n)                    { b |=  (bits_t)_BV(n); }
   void clear(const int n)                  { b &= ~(bits_t)_BV(n); }
   bool test(const int n) const             { return TEST(b, n); }
-  const bool operator[](const int n)       { return test(n); }
+  bool operator[](const int n)             { return test(n); }
-  const bool operator[](const int n) const { return test(n); }
+  bool operator[](const int n) const       { return test(n); }
   int size() const                         { return sizeof(b); }
 };
 
@@ -226,8 +228,8 @@ typedef const_float_t const_celsius_float_t;
 // Helpers
 #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 _LS(N)  (N = (T)(uint32_t(N) << p))
-#define _RS(N)  (N = (T)(uint32_t(N) >> v))
+#define _RS(N)  (N = (T)(uint32_t(N) >> p))
 #define FI FORCE_INLINE
 
 // Forward declarations
@@ -307,9 +309,9 @@ typedef abce_float_t abce_pos_t;
 void toLogical(xy_pos_t &raw);
 void toLogical(xyz_pos_t &raw);
 void toLogical(xyze_pos_t &raw);
-void toNative(xy_pos_t &raw);
+void toNative(xy_pos_t &lpos);
-void toNative(xyz_pos_t &raw);
+void toNative(xyz_pos_t &lpos);
-void toNative(xyze_pos_t &raw);
+void toNative(xyze_pos_t &lpos);
 
 //
 // Paired XY coordinates, counters, flags, etc.
@@ -347,6 +349,10 @@ struct XYval {
   FI operator T* ()                                     { return pos; }
   // If any element is true then it's true
   FI operator bool()                                    { return x || y; }
+  // Smallest element
+  FI T small()                                    const { return _MIN(x, y); }
+  // Largest element
+  FI T large()                                    const { return _MAX(x, y); }
 
   // Explicit copy and copies with conversion
   FI XYval<T>           copy()                    const { return *this; }
@@ -405,18 +411,18 @@ struct XYval {
   FI XYval<T>  operator* (const XYZEval<T> &rs)         { XYval<T> ls = *this; ls.x *= rs.x; ls.y *= rs.y; return ls; }
   FI XYval<T>  operator/ (const XYZEval<T> &rs)   const { XYval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; return ls; }
   FI XYval<T>  operator/ (const XYZEval<T> &rs)         { XYval<T> ls = *this; ls.x /= rs.x; ls.y /= rs.y; return ls; }
-  FI XYval<T>  operator* (const float &v)         const { XYval<T> ls = *this; ls.x *= v;    ls.y *= v;    return ls; }
+  FI XYval<T>  operator* (const float &p)         const { XYval<T> ls = *this; ls.x *= p;    ls.y *= p;    return ls; }
-  FI XYval<T>  operator* (const float &v)               { XYval<T> ls = *this; ls.x *= v;    ls.y *= v;    return ls; }
+  FI XYval<T>  operator* (const float &p)               { XYval<T> ls = *this; ls.x *= p;    ls.y *= p;    return ls; }
-  FI XYval<T>  operator* (const int &v)           const { XYval<T> ls = *this; ls.x *= v;    ls.y *= v;    return ls; }
+  FI XYval<T>  operator* (const int &p)           const { XYval<T> ls = *this; ls.x *= p;    ls.y *= p;    return ls; }
-  FI XYval<T>  operator* (const int &v)                 { XYval<T> ls = *this; ls.x *= v;    ls.y *= v;    return ls; }
+  FI XYval<T>  operator* (const int &p)                 { XYval<T> ls = *this; ls.x *= p;    ls.y *= p;    return ls; }
-  FI XYval<T>  operator/ (const float &v)         const { XYval<T> ls = *this; ls.x /= v;    ls.y /= v;    return ls; }
+  FI XYval<T>  operator/ (const float &p)         const { XYval<T> ls = *this; ls.x /= p;    ls.y /= p;    return ls; }
-  FI XYval<T>  operator/ (const float &v)               { XYval<T> ls = *this; ls.x /= v;    ls.y /= v;    return ls; }
+  FI XYval<T>  operator/ (const float &p)               { XYval<T> ls = *this; ls.x /= p;    ls.y /= p;    return ls; }
-  FI XYval<T>  operator/ (const int &v)           const { XYval<T> ls = *this; ls.x /= v;    ls.y /= v;    return ls; }
+  FI XYval<T>  operator/ (const int &p)           const { XYval<T> ls = *this; ls.x /= p;    ls.y /= p;    return ls; }
-  FI XYval<T>  operator/ (const int &v)                 { XYval<T> ls = *this; ls.x /= v;    ls.y /= v;    return ls; }
+  FI XYval<T>  operator/ (const int &p)                 { XYval<T> ls = *this; ls.x /= p;    ls.y /= p;    return ls; }
-  FI XYval<T>  operator>>(const int &v)           const { XYval<T> ls = *this; _RS(ls.x);    _RS(ls.y);    return ls; }
+  FI XYval<T>  operator>>(const int &p)           const { XYval<T> ls = *this; _RS(ls.x);    _RS(ls.y);    return ls; }
-  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 &p)                 { 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 &p)           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 XYval<T>  operator<<(const int &p)                 { 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; }
 
@@ -430,21 +436,15 @@ struct XYval {
   FI XYval<T>& operator+=(const XYZEval<T> &rs)         { x += rs.x; y += rs.y; return *this; }
   FI XYval<T>& operator-=(const XYZEval<T> &rs)         { x -= rs.x; y -= rs.y; return *this; }
   FI XYval<T>& operator*=(const XYZEval<T> &rs)         { x *= rs.x; y *= rs.y; return *this; }
-  FI XYval<T>& operator*=(const float &v)               { x *= v;    y *= v;    return *this; }
+  FI XYval<T>& operator*=(const float &p)               { x *= p;    y *= p;    return *this; }
-  FI XYval<T>& operator*=(const int &v)                 { x *= v;    y *= v;    return *this; }
+  FI XYval<T>& operator*=(const int &p)                 { x *= p;    y *= p;    return *this; }
-  FI XYval<T>& operator>>=(const int &v)                { _RS(x);    _RS(y);    return *this; }
+  FI XYval<T>& operator>>=(const int &p)                { _RS(x);    _RS(y);    return *this; }
-  FI XYval<T>& operator<<=(const int &v)                { _LS(x);    _LS(y);    return *this; }
+  FI XYval<T>& operator<<=(const int &p)                { _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; }
   FI bool      operator==(const XYval<T>   &rs)   const { return x == rs.x && y == rs.y; }
   FI bool      operator==(const XYZval<T>  &rs)   const { return x == rs.x && y == rs.y; }
   FI bool      operator==(const XYZEval<T> &rs)   const { return x == rs.x && y == rs.y; }
-  FI bool      operator!=(const XYval<T>   &rs)         { return !operator==(rs); }
-  FI bool      operator!=(const XYZval<T>  &rs)         { return !operator==(rs); }
-  FI bool      operator!=(const XYZEval<T> &rs)         { return !operator==(rs); }
   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); }
@@ -494,10 +494,10 @@ struct XYZval {
     FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk) { x = px; y = py; z = pz; i = pi; j = pj; k = pk; }
   #endif
   #if HAS_V_AXIS
-    FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk, const T pm) { x = px; y = py; z = pz; i = pi; j = pj; k = pk; u = pu; }
+    FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk, const T pu) { x = px; y = py; z = pz; i = pi; j = pj; k = pk; u = pu; }
   #endif
   #if HAS_W_AXIS
-    FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk, const T pm, const T po) { x = px; y = py; z = pz; i = pi; j = pj; k = pk; u = pu; v = pv; }
+    FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk, const T pu, const T pv) { x = px; y = py; z = pz; i = pi; j = pj; k = pk; u = pu; v = pv; }
   #endif
 
   // Length reduced to one dimension
@@ -506,6 +506,10 @@ struct XYZval {
   FI operator T* ()                                    { return pos; }
   // If any element is true then it's true
   FI operator bool()                                   { return NUM_AXIS_GANG(x, || y, || z, || i, || j, || k, || u, || v, || w); }
+  // Smallest element
+  FI T small()                                   const { return _MIN(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w)); }
+  // Largest element
+  FI T large()                                   const { return _MAX(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w)); }
 
   // Explicit copy and copies with conversion
   FI XYZval<T>          copy()                   const { XYZval<T> o = *this; return o; }
@@ -565,18 +569,18 @@ struct XYZval {
   FI XYZval<T>  operator* (const XYZEval<T> &rs)       { XYZval<T> ls = *this; NUM_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, ls.u *= rs.u, ls.v *= rs.v, ls.w *= rs.w); return ls; }
   FI XYZval<T>  operator/ (const XYZEval<T> &rs) const { XYZval<T> ls = *this; NUM_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, ls.u /= rs.u, ls.v /= rs.v, ls.w /= rs.w); return ls; }
   FI XYZval<T>  operator/ (const XYZEval<T> &rs)       { XYZval<T> ls = *this; NUM_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, ls.u /= rs.u, ls.v /= rs.v, ls.w /= rs.w); return ls; }
-  FI XYZval<T>  operator* (const float &v)       const { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v,    ls.u *= v,    ls.v *= v,    ls.w *= v   ); return ls; }
+  FI XYZval<T>  operator* (const float &p)       const { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x *= p,    ls.y *= p,    ls.z *= p,    ls.i *= p,    ls.j *= p,    ls.k *= p,    ls.u *= p,    ls.v *= p,    ls.w *= p   ); return ls; }
-  FI XYZval<T>  operator* (const float &v)             { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v,    ls.u *= v,    ls.v *= v,    ls.w *= v   ); return ls; }
+  FI XYZval<T>  operator* (const float &p)             { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x *= p,    ls.y *= p,    ls.z *= p,    ls.i *= p,    ls.j *= p,    ls.k *= p,    ls.u *= p,    ls.v *= p,    ls.w *= p   ); return ls; }
-  FI XYZval<T>  operator* (const int &v)         const { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v,    ls.u *= v,    ls.v *= v,    ls.w *= v   ); return ls; }
+  FI XYZval<T>  operator* (const int &p)         const { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x *= p,    ls.y *= p,    ls.z *= p,    ls.i *= p,    ls.j *= p,    ls.k *= p,    ls.u *= p,    ls.v *= p,    ls.w *= p   ); return ls; }
-  FI XYZval<T>  operator* (const int &v)               { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x *= v,    ls.y *= v,    ls.z *= v,    ls.i *= v,    ls.j *= v,    ls.k *= v,    ls.u *= v,    ls.v *= v,    ls.w *= v   ); return ls; }
+  FI XYZval<T>  operator* (const int &p)               { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x *= p,    ls.y *= p,    ls.z *= p,    ls.i *= p,    ls.j *= p,    ls.k *= p,    ls.u *= p,    ls.v *= p,    ls.w *= p   ); return ls; }
-  FI XYZval<T>  operator/ (const float &v)       const { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v,    ls.u /= v,    ls.v /= v,    ls.w /= v   ); return ls; }
+  FI XYZval<T>  operator/ (const float &p)       const { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x /= p,    ls.y /= p,    ls.z /= p,    ls.i /= p,    ls.j /= p,    ls.k /= p,    ls.u /= p,    ls.v /= p,    ls.w /= p   ); return ls; }
-  FI XYZval<T>  operator/ (const float &v)             { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v,    ls.u /= v,    ls.v /= v,    ls.w /= v   ); return ls; }
+  FI XYZval<T>  operator/ (const float &p)             { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x /= p,    ls.y /= p,    ls.z /= p,    ls.i /= p,    ls.j /= p,    ls.k /= p,    ls.u /= p,    ls.v /= p,    ls.w /= p   ); return ls; }
-  FI XYZval<T>  operator/ (const int &v)         const { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v,    ls.u /= v,    ls.v /= v,    ls.w /= v   ); return ls; }
+  FI XYZval<T>  operator/ (const int &p)         const { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x /= p,    ls.y /= p,    ls.z /= p,    ls.i /= p,    ls.j /= p,    ls.k /= p,    ls.u /= p,    ls.v /= p,    ls.w /= p   ); return ls; }
-  FI XYZval<T>  operator/ (const int &v)               { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x /= v,    ls.y /= v,    ls.z /= v,    ls.i /= v,    ls.j /= v,    ls.k /= v,    ls.u /= v,    ls.v /= v,    ls.w /= v   ); return ls; }
+  FI XYZval<T>  operator/ (const int &p)               { XYZval<T> ls = *this; NUM_AXIS_CODE(ls.x /= p,    ls.y /= p,    ls.z /= p,    ls.i /= p,    ls.j /= p,    ls.k /= p,    ls.u /= p,    ls.v /= p,    ls.w /= p   ); return ls; }
-  FI XYZval<T>  operator>>(const int &v)         const { XYZval<T> ls = *this; NUM_AXIS_CODE(_RS(ls.x),    _RS(ls.y),    _RS(ls.z),    _RS(ls.i),    _RS(ls.j),    _RS(ls.k),    _RS(ls.u),    _RS(ls.v),    _RS(ls.w)   ); return ls; }
+  FI XYZval<T>  operator>>(const int &p)         const { XYZval<T> ls = *this; NUM_AXIS_CODE(_RS(ls.x),    _RS(ls.y),    _RS(ls.z),    _RS(ls.i),    _RS(ls.j),    _RS(ls.k),    _RS(ls.u),    _RS(ls.v),    _RS(ls.w)   ); return ls; }
-  FI XYZval<T>  operator>>(const int &v)               { XYZval<T> ls = *this; NUM_AXIS_CODE(_RS(ls.x),    _RS(ls.y),    _RS(ls.z),    _RS(ls.i),    _RS(ls.j),    _RS(ls.k),    _RS(ls.u),    _RS(ls.v),    _RS(ls.w)   ); return ls; }
+  FI XYZval<T>  operator>>(const int &p)               { XYZval<T> ls = *this; NUM_AXIS_CODE(_RS(ls.x),    _RS(ls.y),    _RS(ls.z),    _RS(ls.i),    _RS(ls.j),    _RS(ls.k),    _RS(ls.u),    _RS(ls.v),    _RS(ls.w)   ); return ls; }
-  FI XYZval<T>  operator<<(const int &v)         const { XYZval<T> ls = *this; NUM_AXIS_CODE(_LS(ls.x),    _LS(ls.y),    _LS(ls.z),    _LS(ls.i),    _LS(ls.j),    _LS(ls.k),    _LS(ls.u),    _LS(ls.v),    _LS(ls.w)   ); return ls; }
+  FI XYZval<T>  operator<<(const int &p)         const { XYZval<T> ls = *this; NUM_AXIS_CODE(_LS(ls.x),    _LS(ls.y),    _LS(ls.z),    _LS(ls.i),    _LS(ls.j),    _LS(ls.k),    _LS(ls.u),    _LS(ls.v),    _LS(ls.w)   ); return ls; }
-  FI XYZval<T>  operator<<(const int &v)               { XYZval<T> ls = *this; NUM_AXIS_CODE(_LS(ls.x),    _LS(ls.y),    _LS(ls.z),    _LS(ls.i),    _LS(ls.j),    _LS(ls.k),    _LS(ls.u),    _LS(ls.v),    _LS(ls.w)   ); return ls; }
+  FI XYZval<T>  operator<<(const int &p)               { XYZval<T> ls = *this; NUM_AXIS_CODE(_LS(ls.x),    _LS(ls.y),    _LS(ls.z),    _LS(ls.i),    _LS(ls.j),    _LS(ls.k),    _LS(ls.u),    _LS(ls.v),    _LS(ls.w)   ); return ls; }
   FI const XYZval<T> operator-()                 const { XYZval<T> o = *this; NUM_AXIS_CODE(o.x = -x, o.y = -y, o.z = -z, o.i = -i, o.j = -j, o.k = -k, o.u = -u, o.v = -v, o.w = -w); return o; }
   FI XYZval<T>       operator-()                       { XYZval<T> o = *this; NUM_AXIS_CODE(o.x = -x, o.y = -y, o.z = -z, o.i = -i, o.j = -j, o.k = -k, o.u = -u, o.v = -v, o.w = -w); return o; }
 
@@ -593,15 +597,13 @@ struct XYZval {
   FI XYZval<T>& operator-=(const XYZEval<T> &rs)       { NUM_AXIS_CODE(x -= rs.x, y -= rs.y, z -= rs.z, i -= rs.i, j -= rs.j, k -= rs.k, u -= rs.u, v -= rs.v, w -= rs.w); return *this; }
   FI XYZval<T>& operator*=(const XYZEval<T> &rs)       { NUM_AXIS_CODE(x *= rs.x, y *= rs.y, z *= rs.z, i *= rs.i, j *= rs.j, k *= rs.k, u *= rs.u, v *= rs.v, w *= rs.w); return *this; }
   FI XYZval<T>& operator/=(const XYZEval<T> &rs)       { NUM_AXIS_CODE(x /= rs.x, y /= rs.y, z /= rs.z, i /= rs.i, j /= rs.j, k /= rs.k, u /= rs.u, v /= rs.v, w /= rs.w); return *this; }
-  FI XYZval<T>& operator*=(const float &v)             { NUM_AXIS_CODE(x *= v,    y *= v,    z *= v,    i *= v,    j *= v,    k *= v,    u *= v,    v *= v,    w *= v);    return *this; }
+  FI XYZval<T>& operator*=(const float &p)             { NUM_AXIS_CODE(x *= p,    y *= p,    z *= p,    i *= p,    j *= p,    k *= p,    u *= p,    v *= p,    w *= p);    return *this; }
-  FI XYZval<T>& operator*=(const int &v)               { NUM_AXIS_CODE(x *= v,    y *= v,    z *= v,    i *= v,    j *= v,    k *= v,    u *= v,    v *= v,    w *= v);    return *this; }
+  FI XYZval<T>& operator*=(const int &p)               { NUM_AXIS_CODE(x *= p,    y *= p,    z *= p,    i *= p,    j *= p,    k *= p,    u *= p,    v *= p,    w *= p);    return *this; }
-  FI XYZval<T>& operator>>=(const int &v)              { NUM_AXIS_CODE(_RS(x),    _RS(y),    _RS(z),    _RS(i),    _RS(j),    _RS(k),    _RS(u),    _RS(v),    _RS(w));    return *this; }
+  FI XYZval<T>& operator>>=(const int &p)              { NUM_AXIS_CODE(_RS(x),    _RS(y),    _RS(z),    _RS(i),    _RS(j),    _RS(k),    _RS(u),    _RS(v),    _RS(w));    return *this; }
-  FI XYZval<T>& operator<<=(const int &v)              { NUM_AXIS_CODE(_LS(x),    _LS(y),    _LS(z),    _LS(i),    _LS(j),    _LS(k),    _LS(u),    _LS(v),    _LS(w));    return *this; }
+  FI XYZval<T>& operator<<=(const int &p)              { NUM_AXIS_CODE(_LS(x),    _LS(y),    _LS(z),    _LS(i),    _LS(j),    _LS(k),    _LS(u),    _LS(v),    _LS(w));    return *this; }
 
   // Exact comparisons. For floats a "NEAR" operation may be better.
-  FI bool       operator==(const XYZEval<T> &rs)       { return true NUM_AXIS_GANG(&& x == rs.x, && y == rs.y, && z == rs.z, && i == rs.i, && j == rs.j, && k == rs.k, && u == rs.u, && v == rs.v, && w == rs.w); }
   FI bool       operator==(const XYZEval<T> &rs) const { return true NUM_AXIS_GANG(&& x == rs.x, && y == rs.y, && z == rs.z, && i == rs.i, && j == rs.j, && k == rs.k, && u == rs.u, && v == rs.v, && w == rs.w); }
-  FI bool       operator!=(const XYZEval<T> &rs)       { return !operator==(rs); }
   FI bool       operator!=(const XYZEval<T> &rs) const { return !operator==(rs); }
 };
 
@@ -634,10 +636,10 @@ struct XYZEval {
     FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk)                         { x = px; y = py; z = pz; i = pi; j = pj; k = pk; }
   #endif
   #if HAS_V_AXIS
-    FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk, const T pm)             { x = px; y = py; z = pz; i = pi; j = pj; k = pk; u = pu; }
+    FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk, const T pu)             { x = px; y = py; z = pz; i = pi; j = pj; k = pk; u = pu; }
   #endif
   #if HAS_W_AXIS
-    FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk, const T pm, const T po) { x = px; y = py; z = pz; i = pi; j = pj; k = pk; u = pm; v = pv; }
+    FI void set(const T px, const T py, const T pz, const T pi, const T pj, const T pk, const T pu, const T pv) { x = px; y = py; z = pz; i = pi; j = pj; k = pk; u = pu; v = pv; }
   #endif
 
   // Setters taking struct types and arrays
@@ -659,6 +661,10 @@ struct XYZEval {
   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, || u, || v, || w); }
+  // Smallest element
+  FI T small()                                    const { return _MIN(LOGICAL_AXIS_LIST(e, x, y, z, i, j, k, u, v, w)); }
+  // Largest element
+  FI T large()                                    const { return _MAX(LOGICAL_AXIS_LIST(e, x, y, z, i, j, k, u, v, w)); }
 
   // Explicit copy and copies with conversion
   FI XYZEval<T>          copy()  const { XYZEval<T> v = *this; return v; }
@@ -717,18 +723,18 @@ struct XYZEval {
   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, ls.u *= rs.u, ls.v *= rs.v, ls.w *= rs.w); 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, ls.u /= rs.u, ls.v /= rs.v, ls.w /= rs.w); 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, ls.u /= rs.u, ls.v /= rs.v, ls.w /= rs.w); 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,    ls.u *= v,    ls.v *= v,    ls.w *= v   ); return ls; }
+  FI XYZEval<T>  operator* (const float &p)       const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= p,    ls.x *= p,    ls.y *= p,    ls.z *= p,    ls.i *= p,    ls.j *= p,    ls.k *= p,    ls.u *= p,    ls.v *= p,    ls.w *= p   ); 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,    ls.u *= v,    ls.v *= v,    ls.w *= v   ); return ls; }
+  FI XYZEval<T>  operator* (const float &p)             { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= p,    ls.x *= p,    ls.y *= p,    ls.z *= p,    ls.i *= p,    ls.j *= p,    ls.k *= p,    ls.u *= p,    ls.v *= p,    ls.w *= p   ); 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,    ls.u *= v,    ls.v *= v,    ls.w *= v   ); return ls; }
+  FI XYZEval<T>  operator* (const int &p)         const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= p,    ls.x *= p,    ls.y *= p,    ls.z *= p,    ls.i *= p,    ls.j *= p,    ls.k *= p,    ls.u *= p,    ls.v *= p,    ls.w *= p   ); 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,    ls.u *= v,    ls.v *= v,    ls.w *= v   ); return ls; }
+  FI XYZEval<T>  operator* (const int &p)               { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e *= p,    ls.x *= p,    ls.y *= p,    ls.z *= p,    ls.i *= p,    ls.j *= p,    ls.k *= p,    ls.u *= p,    ls.v *= p,    ls.w *= p   ); 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,    ls.u /= v,    ls.v /= v,    ls.w /= v   ); return ls; }
+  FI XYZEval<T>  operator/ (const float &p)       const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= p,    ls.x /= p,    ls.y /= p,    ls.z /= p,    ls.i /= p,    ls.j /= p,    ls.k /= p,    ls.u /= p,    ls.v /= p,    ls.w /= p   ); 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,    ls.u /= v,    ls.v /= v,    ls.w /= v   ); return ls; }
+  FI XYZEval<T>  operator/ (const float &p)             { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= p,    ls.x /= p,    ls.y /= p,    ls.z /= p,    ls.i /= p,    ls.j /= p,    ls.k /= p,    ls.u /= p,    ls.v /= p,    ls.w /= p   ); 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,    ls.u /= v,    ls.v /= v,    ls.w /= v   ); return ls; }
+  FI XYZEval<T>  operator/ (const int &p)         const { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= p,    ls.x /= p,    ls.y /= p,    ls.z /= p,    ls.i /= p,    ls.j /= p,    ls.k /= p,    ls.u /= p,    ls.v /= p,    ls.w /= p   ); 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,    ls.u /= v,    ls.v /= v,    ls.w /= v   ); return ls; }
+  FI XYZEval<T>  operator/ (const int &p)               { XYZEval<T> ls = *this; LOGICAL_AXIS_CODE(ls.e /= p,    ls.x /= p,    ls.y /= p,    ls.z /= p,    ls.i /= p,    ls.j /= p,    ls.k /= p,    ls.u /= p,    ls.v /= p,    ls.w /= p   ); 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),    _RS(ls.u),    _RS(ls.v),    _RS(ls.w)   ); return ls; }
+  FI XYZEval<T>  operator>>(const int &p)         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),    _RS(ls.u),    _RS(ls.v),    _RS(ls.w)   ); 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),    _RS(ls.u),    _RS(ls.v),    _RS(ls.w)   ); return ls; }
+  FI XYZEval<T>  operator>>(const int &p)               { 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),    _RS(ls.u),    _RS(ls.v),    _RS(ls.w)   ); 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),    _LS(ls.u),    _LS(ls.v),    _LS(ls.w)   ); return ls; }
+  FI XYZEval<T>  operator<<(const int &p)         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),    _LS(ls.u),    _LS(ls.v),    _LS(ls.w)   ); 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),    _LS(ls.u),    _LS(ls.v),    _LS(ls.w)   ); return ls; }
+  FI XYZEval<T>  operator<<(const int &p)               { 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),    _LS(ls.u),    _LS(ls.v),    _LS(ls.w)   ); return ls; }
   FI const XYZEval<T> operator-()                 const { return LOGICAL_AXIS_ARRAY(-e, -x, -y, -z, -i, -j, -k, -u, -v, -w); }
   FI       XYZEval<T> operator-()                       { return LOGICAL_AXIS_ARRAY(-e, -x, -y, -z, -i, -j, -k, -u, -v, -w); }
 
@@ -745,15 +751,15 @@ struct XYZEval {
   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, u -= rs.u, v -= rs.v, w -= rs.w); 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, u *= rs.u, v *= rs.v, w *= rs.w); 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, u /= rs.u, v /= rs.v, w /= rs.w); 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,    u *= v,    v *= v,    w *= v);    return *this; }
+  FI XYZEval<T>& operator*=(const T &p)                 { LOGICAL_AXIS_CODE(e *= p,    x *= p,    y *= p,    z *= p,    i *= p,    j *= p,    k *= p,    u *= p,    v *= p,    w *= p);    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),    _RS(u),    _RS(v),    _RS(w));    return *this; }
+  FI XYZEval<T>& operator>>=(const int &p)              { LOGICAL_AXIS_CODE(_RS(e),    _RS(x),    _RS(y),    _RS(z),    _RS(i),    _RS(j),    _RS(k),    _RS(u),    _RS(v),    _RS(w));    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),    _LS(u),    _LS(v),    _LS(w));    return *this; }
+  FI XYZEval<T>& operator<<=(const int &p)              { LOGICAL_AXIS_CODE(_LS(e),    _LS(x),    _LS(y),    _LS(z),    _LS(i),    _LS(j),    _LS(k),    _LS(u),    _LS(v),    _LS(w));    return *this; }
 
   // Exact comparisons. For floats a "NEAR" operation may be better.
-  FI bool        operator==(const XYZval<T>  &rs)         { return true NUM_AXIS_GANG(&& x == rs.x, && y == rs.y, && z == rs.z, && i == rs.i, && j == rs.j, && k == rs.k, && u == rs.u, && v == rs.v, && w == rs.w); }
   FI bool        operator==(const XYZval<T>  &rs) const { return true NUM_AXIS_GANG(&& x == rs.x, && y == rs.y, && z == rs.z, && i == rs.i, && j == rs.j, && k == rs.k, && u == rs.u, && v == rs.v, && w == rs.w); }
-  FI bool        operator!=(const XYZval<T>  &rs)         { return !operator==(rs); }
+  FI bool        operator==(const XYZEval<T> &rs) const { return true LOGICAL_AXIS_GANG(&& e == rs.e, && x == rs.x, && y == rs.y, && z == rs.z, && i == rs.i, && j == rs.j, && k == rs.k, && u == rs.u, && v == rs.v, && w == rs.w); }
   FI bool        operator!=(const XYZval<T>  &rs) const { return !operator==(rs); }
+  FI bool        operator!=(const XYZEval<T> &rs) const { return !operator==(rs); }
 };
 
 #undef _RECIP

Marlin/src/feature/bedlevel/bdl/bdl.cpp

@@ -96,6 +96,7 @@ void BDS_Leveling::process() {
       const float z_sensor = (tmp & 0x3FF) / 100.0f;
       if (cur_z < 0) config_state = 0;
       //float abs_z = current_position.z > cur_z ? (current_position.z - cur_z) : (cur_z - current_position.z);
+      #if ENABLED(BABYSTEPPING)
         if (cur_z < config_state * 0.1f
           && config_state > 0
           && old_cur_z == cur_z
@@ -108,10 +109,10 @@ void BDS_Leveling::process() {
           #endif
         }
         else {
-        babystep.set_mm(Z_AXIS, 0);
+          babystep.set_mm(Z_AXIS, 0);          //if (old_cur_z <= cur_z) Z_DIR_WRITE(!INVERT_Z_DIR);
-        //if (old_cur_z <= cur_z) Z_DIR_WRITE(!INVERT_Z_DIR);
           stepper.set_directions();
         }
+      #endif
       old_cur_z = cur_z;
       old_buf_z = current_position.z;
       endstops.bdp_state_update(z_sensor <= 0.01f);

Marlin/src/feature/bedlevel/bedlevel.cpp

@@ -57,6 +57,7 @@ bool leveling_is_valid() {
  *  Enable: Current position = "unleveled" physical position
  */
 void set_bed_leveling_enabled(const bool enable/*=true*/) {
+  DEBUG_SECTION(log_sble, "set_bed_leveling_enabled", DEBUGGING(LEVELING));
 
   const bool can_change = TERN1(AUTO_BED_LEVELING_BILINEAR, !enable || leveling_is_valid());
 
@@ -75,9 +76,9 @@ void set_bed_leveling_enabled(const bool enable/*=true*/) {
     planner.synchronize();
 
     // Get the corrected leveled / unleveled position
-    planner.apply_modifiers(current_position);    // Physical position with all modifiers
+    planner.apply_modifiers(current_position, true);    // Physical position with all modifiers
     planner.leveling_active ^= true;                    // Toggle leveling between apply and unapply
-    planner.unapply_modifiers(current_position);  // Logical position with modifiers removed
+    planner.unapply_modifiers(current_position, true);  // Logical position with modifiers removed
 
     sync_plan_position();
     _report_leveling();

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

@@ -260,7 +260,7 @@ bool unified_bed_leveling::sanity_check() {
    */
   void GcodeSuite::M1004() {
 
-    #define ALIGN_GCODE TERN(Z_STEPPER_AUTO_ALIGN, "G34", "")
+    #define ALIGN_GCODE TERN(Z_STEPPER_AUTO_ALIGN, "G34\n", "")
     #define PROBE_GCODE TERN(HAS_BED_PROBE, "G29P1\nG29P3", "G29P4R")
 
     #if HAS_HOTEND
@@ -280,7 +280,7 @@ bool unified_bed_leveling::sanity_check() {
     #endif
 
     process_subcommands_now(FPSTR(G28_STR));      // Home
-    process_subcommands_now(F(ALIGN_GCODE "\n"    // Align multi z axis if available
+    process_subcommands_now(F(ALIGN_GCODE         // 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
 

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

@@ -407,7 +407,7 @@ void unified_bed_leveling::G29() {
           z_values[x][x2] += 9.999f; // We want the altered line several mesh points thick
           #if ENABLED(EXTENSIBLE_UI)
             ExtUI::onMeshUpdate(x, x, z_values[x][x]);
-            ExtUI::onMeshUpdate(x, (x2), z_values[x][x2]);
+            ExtUI::onMeshUpdate(x, x2, z_values[x][x2]);
           #endif
         }
         break;

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

@@ -336,9 +336,9 @@
   #if IS_SCARA
     #define DELTA_SEGMENT_MIN_LENGTH 0.25 // SCARA minimum segment size is 0.25mm
   #elif ENABLED(DELTA)
-    #define DELTA_SEGMENT_MIN_LENGTH 0.10 // mm (still subject to DELTA_SEGMENTS_PER_SECOND)
+    #define DELTA_SEGMENT_MIN_LENGTH 0.10 // mm (still subject to DEFAULT_SEGMENTS_PER_SECOND)
   #elif ENABLED(POLARGRAPH)
-    #define DELTA_SEGMENT_MIN_LENGTH 0.10 // mm (still subject to DELTA_SEGMENTS_PER_SECOND)
+    #define DELTA_SEGMENT_MIN_LENGTH 0.10 // mm (still subject to DEFAULT_SEGMENTS_PER_SECOND)
   #else // CARTESIAN
     #ifdef LEVELED_SEGMENT_LENGTH
       #define DELTA_SEGMENT_MIN_LENGTH LEVELED_SEGMENT_LENGTH
@@ -423,10 +423,12 @@
       LIMIT(icell.x, 0, GRID_MAX_CELLS_X);
       LIMIT(icell.y, 0, GRID_MAX_CELLS_Y);
 
+      const int8_t ncellx = _MIN(icell.x+1, GRID_MAX_CELLS_X),
+                   ncelly = _MIN(icell.y+1, GRID_MAX_CELLS_Y);
       float z_x0y0 = z_values[icell.x][icell.y],  // z at lower left corner
-            z_x1y0 = z_values[icell.x+1][icell.y  ],  // z at upper left corner
+            z_x1y0 = z_values[ncellx ][icell.y],  // z at upper left corner
-            z_x0y1 = z_values[icell.x  ][icell.y+1],  // z at lower right corner
+            z_x0y1 = z_values[icell.x][ncelly ],  // z at lower right corner
-            z_x1y1 = z_values[icell.x+1][icell.y+1];  // z at upper right corner
+            z_x1y1 = z_values[ncellx ][ncelly ];  // z at upper right corner
 
       if (isnan(z_x0y0)) z_x0y0 = 0;              // ideally activating planner.leveling_active (G29 A)
       if (isnan(z_x1y0)) z_x1y0 = 0;              //   should refuse if any invalid mesh points

Marlin/src/feature/bltouch.cpp

@@ -38,8 +38,6 @@ bool BLTouch::od_5v_mode;         // Initialized by settings.load, 0 = Open Drai
 #include "../module/servo.h"
 #include "../module/probe.h"
 
-void stop();
-
 #define DEBUG_OUT ENABLED(DEBUG_LEVELING_FEATURE)
 #include "../core/debug_out.h"
 

Marlin/src/feature/controllerfan.cpp

@@ -40,6 +40,9 @@ uint8_t ControllerFan::speed;
 
 void ControllerFan::setup() {
   SET_OUTPUT(CONTROLLER_FAN_PIN);
+  #ifdef CONTROLLER_FAN2_PIN
+    SET_OUTPUT(CONTROLLER_FAN2_PIN);
+  #endif
   init();
 }
 
@@ -72,6 +75,22 @@ void ControllerFan::update() {
       ? settings.active_speed : settings.idle_speed
     );
 
+    speed = CALC_FAN_SPEED(speed);
+
+    #if FAN_KICKSTART_TIME
+      static millis_t fan_kick_end = 0;
+      if (speed > FAN_OFF_PWM) {
+        if (!fan_kick_end) {
+          fan_kick_end = ms + FAN_KICKSTART_TIME; // May be longer based on slow update interval for controller fn check. Sets minimum
+          speed = FAN_KICKSTART_POWER;
+        }
+        else if (PENDING(ms, fan_kick_end))
+          speed = FAN_KICKSTART_POWER;
+      }
+      else
+        fan_kick_end = 0;
+    #endif
+
     #if ENABLED(FAN_SOFT_PWM)
       thermalManager.soft_pwm_controller_speed = speed;
     #else
@@ -79,6 +98,13 @@ void ControllerFan::update() {
         hal.set_pwm_duty(pin_t(CONTROLLER_FAN_PIN), speed);
       else
         WRITE(CONTROLLER_FAN_PIN, speed > 0);
+
+      #ifdef CONTROLLER_FAN2_PIN
+        if (PWM_PIN(CONTROLLER_FAN2_PIN))
+          hal.set_pwm_duty(pin_t(CONTROLLER_FAN2_PIN), speed);
+        else
+          WRITE(CONTROLLER_FAN2_PIN, speed > 0);
+      #endif
     #endif
   }
 }

Marlin/src/feature/e_parser.cpp

@@ -33,6 +33,9 @@
 // Static data members
 bool EmergencyParser::killed_by_M112, // = false
      EmergencyParser::quickstop_by_M410,
+     #if ENABLED(SDSUPPORT)
+       EmergencyParser::sd_abort_by_M524,
+     #endif
      EmergencyParser::enabled;
 
 #if ENABLED(HOST_PROMPT_SUPPORT)

Marlin/src/feature/e_parser.h

@@ -49,7 +49,7 @@ class EmergencyParser {
 
 public:
 
-  // Currently looking for: M108, M112, M410, M876 S[0-9], S000, P000, R000
+  // Currently looking for: M108, M112, M410, M524, M876 S[0-9], S000, P000, R000
   enum State : uint8_t {
     EP_RESET,
     EP_N,
@@ -58,6 +58,9 @@ public:
     EP_M10, EP_M108,
     EP_M11, EP_M112,
     EP_M4, EP_M41, EP_M410,
+    #if ENABLED(SDSUPPORT)
+      EP_M5, EP_M52, EP_M524,
+    #endif
     #if ENABLED(HOST_PROMPT_SUPPORT)
       EP_M8, EP_M87, EP_M876, EP_M876S, EP_M876SN,
     #endif
@@ -76,6 +79,10 @@ public:
   static bool killed_by_M112;
   static bool quickstop_by_M410;
 
+  #if ENABLED(SDSUPPORT)
+    static bool sd_abort_by_M524;
+  #endif
+
   #if ENABLED(HOST_PROMPT_SUPPORT)
     static uint8_t M876_reason;
   #endif
@@ -145,6 +152,9 @@ public:
           case ' ': break;
           case '1': state = EP_M1;     break;
           case '4': state = EP_M4;     break;
+          #if ENABLED(SDSUPPORT)
+            case '5': state = EP_M5;   break;
+          #endif
           #if ENABLED(HOST_PROMPT_SUPPORT)
             case '8': state = EP_M8;     break;
           #endif
@@ -165,6 +175,11 @@ public:
       case EP_M4:  state = (c == '1') ? EP_M41  : EP_IGNORE; break;
       case EP_M41: state = (c == '0') ? EP_M410 : EP_IGNORE; break;
 
+      #if ENABLED(SDSUPPORT)
+        case EP_M5:  state = (c == '2') ? EP_M52  : EP_IGNORE; break;
+        case EP_M52: state = (c == '4') ? EP_M524 : EP_IGNORE; break;
+      #endif
+
       #if ENABLED(HOST_PROMPT_SUPPORT)
 
         case EP_M8:  state = (c == '7') ? EP_M87  : EP_IGNORE; break;
@@ -200,6 +215,9 @@ public:
             case EP_M108: wait_for_user = wait_for_heatup = false; break;
             case EP_M112: killed_by_M112 = true; break;
             case EP_M410: quickstop_by_M410 = true; break;
+            #if ENABLED(SDSUPPORT)
+              case EP_M524: sd_abort_by_M524 = true; break;
+            #endif
             #if ENABLED(HOST_PROMPT_SUPPORT)
               case EP_M876SN: hostui.handle_response(M876_reason); break;
             #endif

Marlin/src/feature/host_actions.cpp

@@ -111,20 +111,29 @@ void HostUI::action(FSTR_P const fstr, const bool eol) {
     if (eol) SERIAL_EOL();
   }
 
-  void HostUI::prompt_plus(FSTR_P const ptype, FSTR_P const fstr, const char extra_char/*='\0'*/) {
+  void HostUI::prompt_plus(const bool pgm, FSTR_P const ptype, const char * const str, const char extra_char/*='\0'*/) {
     prompt(ptype, false);
     PORT_REDIRECT(SerialMask::All);
     SERIAL_CHAR(' ');
-    SERIAL_ECHOF(fstr);
+    if (pgm)
+      SERIAL_ECHOPGM_P(str);
+    else
+      SERIAL_ECHO(str);
     if (extra_char != '\0') SERIAL_CHAR(extra_char);
     SERIAL_EOL();
   }
+
   void HostUI::prompt_begin(const PromptReason reason, FSTR_P const fstr, const char extra_char/*='\0'*/) {
     prompt_end();
     host_prompt_reason = reason;
     prompt_plus(F("begin"), fstr, extra_char);
   }
-  void HostUI::prompt_button(FSTR_P const fstr) { prompt_plus(F("button"), fstr); }
+  void HostUI::prompt_begin(const PromptReason reason, const char * const cstr, const char extra_char/*='\0'*/) {
+    prompt_end();
+    host_prompt_reason = reason;
+    prompt_plus(F("begin"), cstr, extra_char);
+  }
+
   void HostUI::prompt_end() { prompt(F("end")); }
   void HostUI::prompt_show() { prompt(F("show")); }
 
@@ -133,14 +142,26 @@ void HostUI::action(FSTR_P const fstr, const bool eol) {
     if (btn2) prompt_button(btn2);
     prompt_show();
   }
+
+  void HostUI::prompt_button(FSTR_P const fstr) { prompt_plus(F("button"), fstr); }
+  void HostUI::prompt_button(const char * const cstr) { prompt_plus(F("button"), cstr); }
+
   void HostUI::prompt_do(const PromptReason reason, FSTR_P const fstr, FSTR_P const btn1/*=nullptr*/, FSTR_P const btn2/*=nullptr*/) {
     prompt_begin(reason, fstr);
     _prompt_show(btn1, btn2);
   }
+  void HostUI::prompt_do(const PromptReason reason, const char * const cstr, FSTR_P const btn1/*=nullptr*/, FSTR_P const btn2/*=nullptr*/) {
+    prompt_begin(reason, cstr);
+    _prompt_show(btn1, btn2);
+  }
   void HostUI::prompt_do(const PromptReason reason, FSTR_P const fstr, const char extra_char, FSTR_P const btn1/*=nullptr*/, FSTR_P const btn2/*=nullptr*/) {
     prompt_begin(reason, fstr, extra_char);
     _prompt_show(btn1, btn2);
   }
+  void HostUI::prompt_do(const PromptReason reason, const char * const cstr, const char extra_char, FSTR_P const btn1/*=nullptr*/, FSTR_P const btn2/*=nullptr*/) {
+    prompt_begin(reason, cstr, extra_char);
+    _prompt_show(btn1, btn2);
+  }
 
   #if ENABLED(ADVANCED_PAUSE_FEATURE)
     void HostUI::filament_load_prompt() {

Marlin/src/feature/host_actions.h

@@ -79,7 +79,14 @@ class HostUI {
   #if ENABLED(HOST_PROMPT_SUPPORT)
     private:
     static void prompt(FSTR_P const ptype, const bool eol=true);
-    static void prompt_plus(FSTR_P const ptype, FSTR_P const fstr, const char extra_char='\0');
+    static void prompt_plus(const bool pgm, FSTR_P const ptype, const char * const str, const char extra_char='\0');
+    static void prompt_plus(FSTR_P const ptype, FSTR_P const fstr, const char extra_char='\0') {
+      prompt_plus(true, ptype, FTOP(fstr), extra_char);
+    }
+    static void prompt_plus(FSTR_P const ptype, const char * const cstr, const char extra_char='\0') {
+      prompt_plus(false, ptype, cstr, extra_char);
+    }
+
     static void prompt_show();
     static void _prompt_show(FSTR_P const btn1, FSTR_P const btn2);
 
@@ -93,10 +100,17 @@ class HostUI {
     static void notify(const char * const message);
 
     static void prompt_begin(const PromptReason reason, FSTR_P const fstr, const char extra_char='\0');
-    static void prompt_button(FSTR_P const fstr);
+    static void prompt_begin(const PromptReason reason, const char * const cstr, const char extra_char='\0');
     static void prompt_end();
+
+    static void prompt_button(FSTR_P const fstr);
+    static void prompt_button(const char * const cstr);
+
     static void prompt_do(const PromptReason reason, FSTR_P const pstr, FSTR_P const btn1=nullptr, FSTR_P const btn2=nullptr);
+    static void prompt_do(const PromptReason reason, const char * const cstr, FSTR_P const btn1=nullptr, FSTR_P const btn2=nullptr);
     static void prompt_do(const PromptReason reason, FSTR_P const pstr, const char extra_char, FSTR_P const btn1=nullptr, FSTR_P const btn2=nullptr);
+    static void prompt_do(const PromptReason reason, const char * const cstr, const char extra_char, FSTR_P const btn1=nullptr, FSTR_P const btn2=nullptr);
+
     static void prompt_open(const PromptReason reason, FSTR_P const pstr, FSTR_P const btn1=nullptr, FSTR_P const btn2=nullptr) {
       if (host_prompt_reason == PROMPT_NOT_DEFINED) prompt_do(reason, pstr, btn1, btn2);
     }

Marlin/src/feature/leds/leds.cpp

@@ -30,18 +30,6 @@
 
 #include "leds.h"
 
-#if ENABLED(BLINKM)
-  #include "blinkm.h"
-#endif
-
-#if ENABLED(PCA9632)
-  #include "pca9632.h"
-#endif
-
-#if ENABLED(PCA9533)
-  #include "pca9533.h"
-#endif
-
 #if EITHER(CASE_LIGHT_USE_RGB_LED, CASE_LIGHT_USE_NEOPIXEL)
   #include "../../feature/caselight.h"
 #endif
@@ -69,6 +57,44 @@ void LEDLights::setup() {
     #if ENABLED(RGBW_LED)
       if (PWM_PIN(RGB_LED_W_PIN)) SET_PWM(RGB_LED_W_PIN); else SET_OUTPUT(RGB_LED_W_PIN);
     #endif
+
+    #if ENABLED(RGB_STARTUP_TEST)
+      int8_t led_pin_count = 0;
+      if (PWM_PIN(RGB_LED_R_PIN) && PWM_PIN(RGB_LED_G_PIN) && PWM_PIN(RGB_LED_B_PIN)) led_pin_count = 3;
+      #if ENABLED(RGBW_LED)
+        if (PWM_PIN(RGB_LED_W_PIN) && led_pin_count) led_pin_count++;
+      #endif
+      // Startup animation
+      if (led_pin_count) {
+        // blackout
+        if (PWM_PIN(RGB_LED_R_PIN)) hal.set_pwm_duty(pin_t(RGB_LED_R_PIN), 0); else WRITE(RGB_LED_R_PIN, LOW);
+        if (PWM_PIN(RGB_LED_G_PIN)) hal.set_pwm_duty(pin_t(RGB_LED_G_PIN), 0); else WRITE(RGB_LED_G_PIN, LOW);
+        if (PWM_PIN(RGB_LED_B_PIN)) hal.set_pwm_duty(pin_t(RGB_LED_B_PIN), 0); else WRITE(RGB_LED_B_PIN, LOW);
+        #if ENABLED(RGBW_LED)
+          if (PWM_PIN(RGB_LED_W_PIN)) hal.set_pwm_duty(pin_t(RGB_LED_W_PIN), 0);
+          else WRITE(RGB_LED_W_PIN, LOW);
+        #endif
+        delay(200);
+
+        LOOP_L_N(i, led_pin_count) {
+          LOOP_LE_N(b, 200) {
+            const uint16_t led_pwm = b <= 100 ? b : 200 - b;
+            if (i == 0 && PWM_PIN(RGB_LED_R_PIN)) hal.set_pwm_duty(pin_t(RGB_LED_R_PIN), led_pwm); else WRITE(RGB_LED_R_PIN, b < 100 ? HIGH : LOW);
+            if (i == 1 && PWM_PIN(RGB_LED_G_PIN)) hal.set_pwm_duty(pin_t(RGB_LED_G_PIN), led_pwm); else WRITE(RGB_LED_G_PIN, b < 100 ? HIGH : LOW);
+            if (i == 2 && PWM_PIN(RGB_LED_B_PIN)) hal.set_pwm_duty(pin_t(RGB_LED_B_PIN), led_pwm); else WRITE(RGB_LED_B_PIN, b < 100 ? HIGH : LOW);
+            #if ENABLED(RGBW_LED)
+              if (i == 3){
+                if (PWM_PIN(RGB_LED_W_PIN)) hal.set_pwm_duty(pin_t(RGB_LED_W_PIN), led_pwm);
+                else WRITE(RGB_LED_W_PIN, b < 100 ? HIGH : LOW);
+                delay(RGB_STARTUP_TEST_INNER_MS);//More slowing for ending
+              }
+            #endif
+            delay(RGB_STARTUP_TEST_INNER_MS);
+          }
+        }
+        delay(500);
+      }
+    #endif // RGB_STARTUP_TEST
   #endif
   TERN_(NEOPIXEL_LED, neo.init());
   TERN_(PCA9533, PCA9533_init());

Marlin/src/feature/leds/leds.h

@@ -40,6 +40,18 @@
   #undef _NEOPIXEL_INCLUDE_
 #endif
 
+#if ENABLED(BLINKM)
+  #include "blinkm.h"
+#endif
+
+#if ENABLED(PCA9533)
+  #include "pca9533.h"
+#endif
+
+#if ENABLED(PCA9632)
+  #include "pca9632.h"
+#endif
+
 /**
  * LEDcolor type for use with leds.set_color
  */
@@ -107,6 +119,13 @@ typedef struct LEDColor {
 
 class LEDLights {
 public:
+  #if ANY(LED_CONTROL_MENU, PRINTER_EVENT_LEDS, CASE_LIGHT_IS_COLOR_LED)
+    static LEDColor color; // last non-off color
+    static bool lights_on; // the last set color was "on"
+  #else
+    static constexpr bool lights_on = true;
+  #endif
+
   LEDLights() {} // ctor
 
   static void setup(); // init()
@@ -142,15 +161,10 @@ public:
     static LEDColor get_color() { return lights_on ? color : LEDColorOff(); }
   #endif
 
-  #if ANY(LED_CONTROL_MENU, PRINTER_EVENT_LEDS, CASE_LIGHT_IS_COLOR_LED)
-    static LEDColor color; // last non-off color
-    static bool lights_on; // the last set color was "on"
-  #endif
-
   #if ENABLED(LED_CONTROL_MENU)
     static void toggle();  // swap "off" with color
   #endif
-  #if EITHER(LED_CONTROL_MENU, CASE_LIGHT_USE_RGB_LED)
+  #if EITHER(LED_CONTROL_MENU, CASE_LIGHT_USE_RGB_LED) || LED_POWEROFF_TIMEOUT > 0
     static void update() { set_color(color); }
   #endif
 

Marlin/src/feature/mmu/mmu2.cpp

@@ -54,7 +54,8 @@ MMU2 mmu2;
 #define MMU_CMD_TIMEOUT 45000UL // 45s timeout for mmu commands (except P0)
 #define MMU_P0_TIMEOUT 3000UL   // Timeout for P0 command: 3seconds
 
-#define MMU2_COMMAND(S) tx_str(F(S "\n"))
+#define MMU2_SEND(S) tx_str(F(S "\n"))
+#define MMU2_RECV(S) rx_str(F(S "\n"))
 
 #if ENABLED(MMU_EXTRUDER_SENSOR)
   uint8_t mmu_idl_sens = 0;
@@ -131,7 +132,7 @@ void MMU2::reset() {
     safe_delay(20);
     WRITE(MMU2_RST_PIN, HIGH);
   #else
-    MMU2_COMMAND("X0"); // Send soft reset
+    MMU2_SEND("X0");  // Send soft reset
   #endif
 }
 
@@ -157,11 +158,9 @@ void MMU2::mmu_loop() {
     case -1:
       if (rx_start()) {
         prev_P0_request = millis();   // Initialize finda sensor timeout
-
         DEBUG_ECHOLNPGM("MMU => 'start'");
         DEBUG_ECHOLNPGM("MMU <= 'S1'");
-
+        MMU2_SEND("S1");    // Read Version
-        MMU2_COMMAND("S1");   // Read Version
         state = -2;
       }
       else if (millis() > 30000) { // 30sec after reset disable MMU
@@ -173,10 +172,8 @@ void MMU2::mmu_loop() {
     case -2:
       if (rx_ok()) {
         sscanf(rx_buffer, "%huok\n", &version);
-
         DEBUG_ECHOLNPGM("MMU => ", version, "\nMMU <= 'S2'");
-
+        MMU2_SEND("S2");    // Read Build Number
-        MMU2_COMMAND("S2");   // Read Build Number
         state = -3;
       }
       break;
@@ -191,14 +188,12 @@ void MMU2::mmu_loop() {
 
         #if ENABLED(MMU2_MODE_12V)
           DEBUG_ECHOLNPGM("MMU <= 'M1'");
-
+          MMU2_SEND("M1");    // Stealth Mode
-          MMU2_COMMAND("M1");   // Stealth Mode
           state = -5;
 
         #else
           DEBUG_ECHOLNPGM("MMU <= 'P0'");
-
+          MMU2_SEND("P0");    // Read FINDA
-          MMU2_COMMAND("P0");   // Read FINDA
           state = -4;
         #endif
       }
@@ -209,10 +204,8 @@ void MMU2::mmu_loop() {
       // response to M1
       if (rx_ok()) {
         DEBUG_ECHOLNPGM("MMU => ok");
-
         DEBUG_ECHOLNPGM("MMU <= 'P0'");
-
+        MMU2_SEND("P0");    // Read FINDA
-        MMU2_COMMAND("P0");   // Read FINDA
         state = -4;
       }
       break;
@@ -250,14 +243,13 @@ void MMU2::mmu_loop() {
         else if (cmd == MMU_CMD_C0) {
           // continue loading
           DEBUG_ECHOLNPGM("MMU <= 'C0'");
-          MMU2_COMMAND("C0");
+          MMU2_SEND("C0");
           state = 3; // wait for response
         }
         else if (cmd == MMU_CMD_U0) {
           // unload current
           DEBUG_ECHOLNPGM("MMU <= 'U0'");
-
+          MMU2_SEND("U0");
-          MMU2_COMMAND("U0");
           state = 3; // wait for response
         }
         else if (WITHIN(cmd, MMU_CMD_E0, MMU_CMD_E0 + EXTRUDERS - 1)) {
@@ -270,7 +262,7 @@ void MMU2::mmu_loop() {
         else if (cmd == MMU_CMD_R0) {
           // recover after eject
           DEBUG_ECHOLNPGM("MMU <= 'R0'");
-          MMU2_COMMAND("R0");
+          MMU2_SEND("R0");
           state = 3; // wait for response
         }
         else if (WITHIN(cmd, MMU_CMD_F0, MMU_CMD_F0 + EXTRUDERS - 1)) {
@@ -285,7 +277,7 @@ void MMU2::mmu_loop() {
         cmd = MMU_CMD_NONE;
       }
       else if (ELAPSED(millis(), prev_P0_request + 300)) {
-        MMU2_COMMAND("P0"); // Read FINDA
+        MMU2_SEND("P0");  // Read FINDA
         state = 2; // wait for response
       }
 
@@ -314,7 +306,7 @@ void MMU2::mmu_loop() {
         if (mmu_idl_sens) {
           if (FILAMENT_PRESENT() && mmu_loading_flag) {
             DEBUG_ECHOLNPGM("MMU <= 'A'");
-            MMU2_COMMAND("A"); // send 'abort' request
+            MMU2_SEND("A");   // send 'abort' request
             mmu_idl_sens = 0;
             DEBUG_ECHOLNPGM("MMU IDLER_SENSOR = 0 - ABORT");
           }
@@ -327,9 +319,9 @@ void MMU2::mmu_loop() {
           const bool keep_trying = !mmu2s_triggered && last_cmd == MMU_CMD_C0;
           if (keep_trying) {
             // MMU ok received but filament sensor not triggered, retrying...
-            DEBUG_ECHOLNPGM("MMU => 'ok' (filament not present in gears)");
+            DEBUG_ECHOLNPGM("MMU => 'ok' (no filament in gears)");
             DEBUG_ECHOLNPGM("MMU <= 'C0' (keep trying)");
-            MMU2_COMMAND("C0");
+            MMU2_SEND("C0");
           }
         #else
           constexpr bool keep_trying = false;
@@ -361,7 +353,7 @@ void MMU2::mmu_loop() {
  */
 bool MMU2::rx_start() {
   // check for start message
-  return rx_str(F("start\n"));
+  return MMU2_RECV("start");
 }
 
 /**
@@ -440,7 +432,7 @@ void MMU2::clear_rx_buffer() {
  * Check if we received 'ok' from MMU
  */
 bool MMU2::rx_ok() {
-  if (rx_str(F("ok\n"))) {
+  if (MMU2_RECV("ok")) {
     prev_P0_request = millis();
     return true;
   }
@@ -585,7 +577,7 @@ static void mmu2_not_responding() {
       command(MMU_CMD_T0 + index);
       manage_response(true, true);
       mmu_continue_loading();
-      command(MMU_CMD_C0);
+      //command(MMU_CMD_C0);
       extruder = index;
       active_extruder = 0;
 
@@ -653,13 +645,34 @@ static void mmu2_not_responding() {
   }
 
   void MMU2::mmu_continue_loading() {
+    // Try to load the filament a limited number of times
+    bool fil_present = 0;
     for (uint8_t i = 0; i < MMU_LOADING_ATTEMPTS_NR; i++) {
-      DEBUG_ECHOLNPGM("Additional load attempt #", i);
+      DEBUG_ECHOLNPGM("Load attempt #", i + 1);
-      if (FILAMENT_PRESENT()) break;
+
+      // Done as soon as filament is present
+      fil_present = FILAMENT_PRESENT();
+      if (fil_present) break;
+
+      // Attempt to load the filament, 1mm at a time, for 3s
       command(MMU_CMD_C0);
+      stepper.enable_extruder();
+      const millis_t expire_ms = millis() + 3000;
+      do {
+        current_position.e += 1;
+        line_to_current_position(MMU_LOAD_FEEDRATE);
+        planner.synchronize();
+        // When (T0 rx->ok) load is ready, but in fact it did not load
+        // successfully or an overload created pressure in the extruder.
+        // Send (C0) to load more and move E_AXIS a little to release pressure.
+        if ((fil_present = FILAMENT_PRESENT())) MMU2_SEND("A");
+      } while (!fil_present && PENDING(millis(), expire_ms));
+      stepper.disable_extruder();
       manage_response(true, true);
     }
-    if (!FILAMENT_PRESENT()) {
+
+    // Was the filament still missing in the last check?
+    if (!fil_present) {
       DEBUG_ECHOLNPGM("Filament never reached sensor, runout");
       filament_runout();
     }
@@ -682,7 +695,7 @@ static void mmu2_not_responding() {
       command(MMU_CMD_T0 + index);
       manage_response(true, true);
       command(MMU_CMD_C0);
-      extruder = index; //filament change is finished
+      extruder = index; // Filament change is finished
       active_extruder = 0;
       stepper.enable_extruder();
       SERIAL_ECHO_MSG(STR_ACTIVE_EXTRUDER, extruder);
@@ -861,7 +874,7 @@ void MMU2::filament_runout() {
     if (cmd == MMU_CMD_NONE && last_cmd == MMU_CMD_C0) {
       if (present && !mmu2s_triggered) {
         DEBUG_ECHOLNPGM("MMU <= 'A'");
-        tx_str(F("A\n"));
+        MMU2_SEND("A");
       }
       // Slowly spin the extruder during C0
       else {

Marlin/src/feature/mmu/mmu2.h

@@ -86,6 +86,7 @@ private:
   #endif
 
   #if ENABLED(MMU_EXTRUDER_SENSOR)
+    #define MMU_LOAD_FEEDRATE 19.02f // (mm/s)
     static void mmu_continue_loading();
   #endif
 

Marlin/src/feature/pause.cpp

@@ -474,9 +474,7 @@ bool pause_print(const_float_t retract, const xyz_pos_t &park_point, const bool
   if (unload_length)
     unload_filament(unload_length, show_lcd, PAUSE_MODE_CHANGE_FILAMENT);
 
-  #if ENABLED(DUAL_X_CARRIAGE)
+  TERN_(DUAL_X_CARRIAGE, set_duplication_enabled(saved_ext_dup_mode, saved_ext));
-    set_duplication_enabled(saved_ext_dup_mode, saved_ext);
-  #endif
 
   // Disable the Extruder for manual change
   disable_active_extruder();
@@ -593,9 +591,7 @@ void wait_for_confirmation(const bool is_reload/*=false*/, const int8_t max_beep
     }
     idle_no_sleep();
   }
-  #if ENABLED(DUAL_X_CARRIAGE)
+  TERN_(DUAL_X_CARRIAGE, set_duplication_enabled(saved_ext_dup_mode, saved_ext));
-    set_duplication_enabled(saved_ext_dup_mode, saved_ext);
-  #endif
 }
 
 /**

Marlin/src/feature/power_monitor.cpp

@@ -53,7 +53,7 @@ PowerMonitor power_monitor; // Single instance - this calls the constructor
     void PowerMonitor::draw_current() {
       const float amps = getAmps();
       lcd_put_u8str(amps < 100 ? ftostr31ns(amps) : ui16tostr4rj((uint16_t)amps));
-      lcd_put_lchar('A');
+      lcd_put_u8str(F("A"));
     }
   #endif
 
@@ -61,7 +61,7 @@ PowerMonitor power_monitor; // Single instance - this calls the constructor
     void PowerMonitor::draw_voltage() {
       const float volts = getVolts();
       lcd_put_u8str(volts < 100 ? ftostr31ns(volts) : ui16tostr4rj((uint16_t)volts));
-      lcd_put_lchar('V');
+      lcd_put_u8str(F("V"));
     }
   #endif
 
@@ -69,7 +69,7 @@ PowerMonitor power_monitor; // Single instance - this calls the constructor
     void PowerMonitor::draw_power() {
       const float power = getPower();
       lcd_put_u8str(power < 100 ? ftostr31ns(power) : ui16tostr4rj((uint16_t)power));
-      lcd_put_lchar('W');
+      lcd_put_u8str(F("W"));
     }
   #endif
 

Marlin/src/feature/powerloss.h

@@ -153,6 +153,9 @@ class PrintJobRecovery {
     static void prepare();
 
     static void setup() {
+      #if PIN_EXISTS(OUTAGECON)
+        OUT_WRITE(OUTAGECON_PIN, HIGH);
+      #endif
       #if PIN_EXISTS(POWER_LOSS)
         #if ENABLED(POWER_LOSS_PULLUP)
           SET_INPUT_PULLUP(POWER_LOSS_PIN);

Marlin/src/feature/repeat.cpp

@@ -42,7 +42,7 @@ void Repeat::add_marker(const uint32_t sdpos, const uint16_t count) {
     SERIAL_ECHO_MSG("!Too many markers.");
   else {
     marker[index].sdpos = sdpos;
-    marker[index].counter = count ?: -1;
+    marker[index].counter = count ? count - 1 : -1;
     index++;
     DEBUG_ECHOLNPGM("Add Marker ", index, " at ", sdpos, " (", count, ")");
   }

Marlin/src/feature/spindle_laser.h

@@ -30,9 +30,7 @@
 
 #include "spindle_laser_types.h"
 
-#if HAS_BEEPER
 #include "../libs/buzzer.h"
-#endif
 
 // Inline laser power
 #include "../module/planner.h"

Marlin/src/gcode/calibrate/M48.cpp

@@ -112,7 +112,7 @@ void GcodeSuite::M48() {
     set_bed_leveling_enabled(false);
   #endif
 
-  TERN_(HAS_PTC, ptc.set_enabled(!parser.seen('C') || parser.value_bool()));
+  TERN_(HAS_PTC, ptc.set_enabled(parser.boolval('C', true)));
 
   // Work with reasonable feedrates
   remember_feedrate_scaling_off();

Marlin/src/gcode/calibrate/M665.cpp

@@ -167,8 +167,6 @@
     if (parser.seenval('T')) draw_area_max.y = parser.value_linear_units();
     if (parser.seenval('B')) draw_area_min.y = parser.value_linear_units();
     if (parser.seenval('H')) polargraph_max_belt_len = parser.value_linear_units();
-    draw_area_size.x = draw_area_max.x - draw_area_min.x;
-    draw_area_size.y = draw_area_max.y - draw_area_min.y;
   }
 
   void GcodeSuite::M665_report(const bool forReplay/*=true*/) {

Marlin/src/gcode/config/M217.cpp

@@ -43,13 +43,14 @@
  *  S[linear]     Swap length
  *  B[linear]     Extra Swap resume length
  *  E[linear]     Extra Prime length (as used by M217 Q)
- *  P[linear/min] Prime speed
+ *  G[linear]     Cutting wipe retract length (<=100mm)
  *  R[linear/min] Retract speed
  *  U[linear/min] UnRetract speed
+ *  P[linear/min] Prime speed
  *  V[linear]     0/1 Enable auto prime first extruder used
  *  W[linear]     0/1 Enable park & Z Raise
  *  X[linear]     Park X (Requires TOOLCHANGE_PARK)
- *  Y[linear]     Park Y (Requires TOOLCHANGE_PARK)
+ *  Y[linear]     Park Y (Requires TOOLCHANGE_PARK and NUM_AXES >= 2)
  *  I[linear]     Park I (Requires TOOLCHANGE_PARK and NUM_AXES >= 4)
  *  J[linear]     Park J (Requires TOOLCHANGE_PARK and NUM_AXES >= 5)
  *  K[linear]     Park K (Requires TOOLCHANGE_PARK and NUM_AXES >= 6)
@@ -79,6 +80,7 @@ void GcodeSuite::M217() {
     if (parser.seenval('B')) { const float v = parser.value_linear_units(); toolchange_settings.extra_resume = constrain(v, -10, 10); }
     if (parser.seenval('E')) { const float v = parser.value_linear_units(); toolchange_settings.extra_prime = constrain(v, 0, max_extrude); }
     if (parser.seenval('P')) { const int16_t v = parser.value_linear_units(); toolchange_settings.prime_speed = constrain(v, 10, 5400); }
+    if (parser.seenval('G')) { const int16_t v = parser.value_linear_units(); toolchange_settings.wipe_retract = constrain(v, 0, 100); }
     if (parser.seenval('R')) { const int16_t v = parser.value_linear_units(); toolchange_settings.retract_speed = constrain(v, 10, 5400); }
     if (parser.seenval('U')) { const int16_t v = parser.value_linear_units(); toolchange_settings.unretract_speed = constrain(v, 10, 5400); }
     #if TOOLCHANGE_FS_FAN >= 0 && HAS_FAN
@@ -164,21 +166,24 @@ void GcodeSuite::M217_report(const bool forReplay/*=true*/) {
   SERIAL_ECHOPGM("  M217");
 
   #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
-    SERIAL_ECHOPGM(" S", LINEAR_UNIT(toolchange_settings.swap_length));
+    SERIAL_ECHOPGM_P(
-    SERIAL_ECHOPGM_P(SP_B_STR, LINEAR_UNIT(toolchange_settings.extra_resume),
+      PSTR(" S"), LINEAR_UNIT(toolchange_settings.swap_length),
+        SP_B_STR, LINEAR_UNIT(toolchange_settings.extra_resume),
         SP_E_STR, LINEAR_UNIT(toolchange_settings.extra_prime),
-                     SP_P_STR, LINEAR_UNIT(toolchange_settings.prime_speed));
+        SP_P_STR, LINEAR_UNIT(toolchange_settings.prime_speed),
-    SERIAL_ECHOPGM(" R", LINEAR_UNIT(toolchange_settings.retract_speed),
+      PSTR(" G"), LINEAR_UNIT(toolchange_settings.wipe_retract),
-                   " U", LINEAR_UNIT(toolchange_settings.unretract_speed),
+      PSTR(" R"), LINEAR_UNIT(toolchange_settings.retract_speed),
-                   " F", toolchange_settings.fan_speed,
+      PSTR(" U"), LINEAR_UNIT(toolchange_settings.unretract_speed),
-                   " D", toolchange_settings.fan_time);
+      PSTR(" F"), toolchange_settings.fan_speed,
+      PSTR(" D"), toolchange_settings.fan_time
+    );
 
     #if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
-      SERIAL_ECHOPGM(" A", migration.automode);
+      SERIAL_ECHOPGM(" A", migration.automode, " L", LINEAR_UNIT(migration.last));
-      SERIAL_ECHOPGM(" L", LINEAR_UNIT(migration.last));
     #endif
 
     #if ENABLED(TOOLCHANGE_PARK)
+    {
       SERIAL_ECHOPGM(" W", LINEAR_UNIT(toolchange_settings.enable_park));
       SERIAL_ECHOPGM_P(
             SP_X_STR, LINEAR_UNIT(toolchange_settings.change_point.x)
@@ -196,6 +201,7 @@ void GcodeSuite::M217_report(const bool forReplay/*=true*/) {
             )
         #endif
       );
+    }
     #endif
 
     #if ENABLED(TOOLCHANGE_FS_PRIME_FIRST_USED)