Merge tag '2.0.7.2' into master

Co-authored-by: Lorenzo Delana <lorenzo.delana@gmail.com>

Marlin/Configuration.h

@@ -351,11 +351,10 @@
   #endif
 #endif
 
-// @section temperature
-
 //===========================================================================
 //============================= Thermal Settings ============================
 //===========================================================================
+// @section temperature
 
 /**
  * --NORMAL IS 4.7kohm PULLUP!-- 1kohm pullup can be used on hotend sensor, using correct resistor and table
@@ -437,6 +436,12 @@
 #define DUMMY_THERMISTOR_998_VALUE 25
 #define DUMMY_THERMISTOR_999_VALUE 100
 
+// Resistor values when using a MAX31865 (sensor -5)
+// Sensor value is typically 100 (PT100) or 1000 (PT1000)
+// Calibration value is typically 430 ohm for AdaFruit PT100 modules and 4300 ohm for AdaFruit PT1000 modules.
+//#define MAX31865_SENSOR_OHMS      100
+//#define MAX31865_CALIBRATION_OHMS 430
+
 // Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
 // from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
@@ -491,12 +496,13 @@
   //#define PID_AUTOTUNE_MENU     // Add PID auto-tuning to the "Advanced Settings" menu. (~250 bytes of PROGMEM)
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+
   #if ENABLED(PID_PARAMS_PER_HOTEND)
     // Specify between 1 and HOTENDS values per array.
     // If fewer than EXTRUDER values are provided, the last element will be repeated.
-    #define DEFAULT_Kp_LIST {  22.20,  20.0 }
+    #define DEFAULT_Kp_LIST {  22.20,  22.20 }
-    #define DEFAULT_Ki_LIST {   1.08,   1.0 }
+    #define DEFAULT_Ki_LIST {   1.08,   1.08 }
-    #define DEFAULT_Kd_LIST { 114.00, 112.0 }
+    #define DEFAULT_Kd_LIST { 114.00, 114.00 }
   #else
     // Defaults from PID Tuning
     #define DEFAULT_Kp  23.66
@@ -2207,43 +2213,47 @@
 //=============================== Graphical TFTs ==============================
 //=============================================================================
 
-//
+/**
-// TFT display with optional touch screen
+ * TFT Type - Select your Display type
-// Color Marlin UI with standard menu system
+ *
-//
+ * Available options are:
-//#define TFT_320x240
+ *   MKS_TS35_V2_0,
-//#define TFT_320x240_SPI
+ *   MKS_ROBIN_TFT24, MKS_ROBIN_TFT28, MKS_ROBIN_TFT32, MKS_ROBIN_TFT35,
-//#define TFT_480x320
+ *   MKS_ROBIN_TFT43, MKS_ROBIN_TFT_V1_1R
-//#define TFT_480x320_SPI
+ *   TFT_TRONXY_X5SA, ANYCUBIC_TFT35, LONGER_LK_TFT28
+ *   TFT_GENERIC
+ *
+ * For TFT_GENERIC, you need to configure these 3 options:
+ *   Driver:     TFT_DRIVER
+ *               Current Drivers are: AUTO, ST7735, ST7789, ST7796, R61505, ILI9328, ILI9341, ILI9488
+ *   Resolution: TFT_WIDTH and TFT_HEIGHT
+ *   Interface:  TFT_INTERFACE_FSMC or TFT_INTERFACE_SPI
+ */
+//#define TFT_GENERIC
 
-//
+/**
-// Skip autodetect and force specific TFT driver
+ * TFT UI - User Interface Selection. Enable one of the following options:
-// Mandatory for SPI screens with no MISO line
+ *
-// Available drivers are: ST7735, ST7789, ST7796, R61505, ILI9328, ILI9341, ILI9488
+ *   TFT_CLASSIC_UI - Emulated DOGM - 128x64 Upscaled
-//
+ *   TFT_COLOR_UI   - Marlin Default Menus, Touch Friendly, using full TFT capabilities
-//#define TFT_DRIVER AUTO
+ *   TFT_LVGL_UI    - A Modern UI using LVGL
+ *
+ *   For LVGL_UI also copy the 'assets' folder from the build directory to the
+ *   root of your SD card, together with the compiled firmware.
+ */
+//#define TFT_CLASSIC_UI
+//#define TFT_COLOR_UI
+//#define TFT_LVGL_UI
 
-//
+/**
-// SPI display (MKS Robin Nano V2.0, MKS Gen L V2.0)
+ * TFT Rotation. Set to one of the following values:
-// Upscaled 128x64 Marlin UI
+ *
-//
+ *   TFT_ROTATE_90,  TFT_ROTATE_90_MIRROR_X,  TFT_ROTATE_90_MIRROR_Y,
-//#define SPI_GRAPHICAL_TFT
+ *   TFT_ROTATE_180, TFT_ROTATE_180_MIRROR_X, TFT_ROTATE_180_MIRROR_Y,
-
+ *   TFT_ROTATE_270, TFT_ROTATE_270_MIRROR_X, TFT_ROTATE_270_MIRROR_Y,
-//
+ *   TFT_MIRROR_X, TFT_MIRROR_Y, TFT_NO_ROTATION
-// FSMC display (MKS Robin, Alfawise U20, JGAurora A5S, REXYZ A1, etc.)
+ */
-// Upscaled 128x64 Marlin UI
+//#define TFT_ROTATION TFT_NO_ROTATION
-//
-//#define FSMC_GRAPHICAL_TFT
-
-//
-// TFT LVGL UI
-//
-// Using default MKS icons and fonts from: https://git.io/JJvzK
-// Just copy the 'assets' folder from the build directory to the
-// root of your SD card, together with the compiled firmware.
-//
-//#define TFT_LVGL_UI_FSMC  // Robin nano v1.2 uses FSMC
-//#define TFT_LVGL_UI_SPI   // Robin nano v2.0 uses SPI
 
 //=============================================================================
 //============================  Other Controllers  ============================
@@ -2313,9 +2323,6 @@
 // then the BLUE led is on. Otherwise the RED led is on. (1C hysteresis)
 //#define TEMP_STAT_LEDS
 
-// SkeinForge sends the wrong arc G-codes when using Arc Point as fillet procedure
-//#define SF_ARC_FIX
-
 // Support for the BariCUDA Paste Extruder
 //#define BARICUDA
 
@@ -2401,17 +2408,12 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/**
- * R/C SERVO support
- * Sponsored by TrinityLabs, Reworked by codexmas
- */
-
 /**
  * Number of servos
  *
  * For some servo-related options NUM_SERVOS will be set automatically.
  * Set this manually if there are extra servos needing manual control.
- * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ * Set to 0 to turn off servo support.
  */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
@@ -2423,5 +2425,5 @@
 // Only power servos during movement, otherwise leave off to prevent jitter
 //#define DEACTIVATE_SERVOS_AFTER_MOVE
 
-// Allow servo angle to be edited and saved to EEPROM
+// Edit servo angles with M281 and save to EEPROM with M500
 //#define EDITABLE_SERVO_ANGLES

Marlin/Configuration_adv.h

@@ -32,11 +32,10 @@
  */
 #define CONFIGURATION_ADV_H_VERSION 020007
 
-// @section temperature
-
 //===========================================================================
 //============================= Thermal Settings ============================
 //===========================================================================
+// @section temperature
 
 /**
  * Thermocouple sensors are quite sensitive to noise.  Any noise induced in
@@ -125,9 +124,19 @@
   #define HEATER_BED_INVERTING true
 #endif
 
-/**
+//
- * Heated Chamber settings
+// Heated Bed Bang-Bang options
- */
+//
+#if DISABLED(PIDTEMPBED)
+  #define BED_CHECK_INTERVAL 5000   // (ms) Interval between checks in bang-bang control
+  #if ENABLED(BED_LIMIT_SWITCHING)
+    #define BED_HYSTERESIS 2        // (°C) Only set the relevant heater state when ABS(T-target) > BED_HYSTERESIS
+  #endif
+#endif
+
+//
+// Heated Chamber options
+//
 #if TEMP_SENSOR_CHAMBER
   #define CHAMBER_MINTEMP             5
   #define CHAMBER_MAXTEMP            60
@@ -135,12 +144,28 @@
   //#define CHAMBER_LIMIT_SWITCHING
   //#define HEATER_CHAMBER_PIN       44   // Chamber heater on/off pin
   //#define HEATER_CHAMBER_INVERTING false
-#endif
 
-#if DISABLED(PIDTEMPBED)
+  //#define CHAMBER_FAN               // Enable a fan on the chamber
-  #define BED_CHECK_INTERVAL 5000 // ms between checks in bang-bang control
+  #if ENABLED(CHAMBER_FAN)
-  #if ENABLED(BED_LIMIT_SWITCHING)
+    #define CHAMBER_FAN_MODE 2        // Fan control mode: 0=Static; 1=Linear increase when temp is higher than target; 2=V-shaped curve.
-    #define BED_HYSTERESIS 2 // Only disable heating if T>target+BED_HYSTERESIS and enable heating if T>target-BED_HYSTERESIS
+    #if CHAMBER_FAN_MODE == 0
+      #define CHAMBER_FAN_BASE  255   // Chamber fan PWM (0-255)
+    #elif CHAMBER_FAN_MODE == 1
+      #define CHAMBER_FAN_BASE  128   // Base chamber fan PWM (0-255); turns on when chamber temperature is above the target
+      #define CHAMBER_FAN_FACTOR 25   // PWM increase per °C above target
+    #elif CHAMBER_FAN_MODE == 2
+      #define CHAMBER_FAN_BASE  128   // Minimum chamber fan PWM (0-255)
+      #define CHAMBER_FAN_FACTOR 25   // PWM increase per °C difference from target
+    #endif
+  #endif
+
+  //#define CHAMBER_VENT              // Enable a servo-controlled vent on the chamber
+  #if ENABLED(CHAMBER_VENT)
+    #define CHAMBER_VENT_SERVO_NR  1  // Index of the vent servo
+    #define HIGH_EXCESS_HEAT_LIMIT 5  // How much above target temp to consider there is excess heat in the chamber
+    #define LOW_EXCESS_HEAT_LIMIT 3
+    #define MIN_COOLING_SLOPE_TIME_CHAMBER_VENT 20
+    #define MIN_COOLING_SLOPE_DEG_CHAMBER_VENT 1.5
   #endif
 #endif
 
@@ -771,6 +796,7 @@
 //
 //#define ASSISTED_TRAMMING
 #if ENABLED(ASSISTED_TRAMMING)
+
   // Define positions for probing points, use the hotend as reference not the sensor.
   #define TRAMMING_POINT_XY { {  20, 20 }, { 200,  20 }, { 200, 200 }, { 20, 200 } }
 
@@ -780,11 +806,9 @@
   #define TRAMMING_POINT_NAME_3 "Back-Right"
   #define TRAMMING_POINT_NAME_4 "Back-Left"
 
-  // Enable to restore leveling setup after operation
+  #define RESTORE_LEVELING_AFTER_G35    // Enable to restore leveling setup after operation
-  #define RESTORE_LEVELING_AFTER_G35
+  //#define REPORT_TRAMMING_MM          // Report Z deviation (mm) for each point relative to the first
-
+  //#define ASSISTED_TRAMMING_MENU_ITEM // Add a menu item for Assisted Tramming
-  // Add a menu item for Assisted Tramming
-  //#define ASSISTED_TRAMMING_MENU_ITEM
 
   /**
    * Screw thread:
@@ -793,6 +817,7 @@
    *   M5: 50 = Clockwise, 51 = Counter-Clockwise
    */
   #define TRAMMING_SCREW_THREAD 30
+
 #endif
 
 // @section motion
@@ -1048,6 +1073,14 @@
 
 #if HAS_LCD_MENU
 
+  // Add Probe Z Offset calibration to the Z Probe Offsets menu
+  #if HAS_BED_PROBE
+    //#define PROBE_OFFSET_WIZARD
+    #if ENABLED(PROBE_OFFSET_WIZARD)
+      #define PROBE_OFFSET_START -4.0   // Estimated nozzle-to-probe Z offset, plus a little extra
+    #endif
+  #endif
+
   // Include a page of printer information in the LCD Main Menu
   //#define LCD_INFO_MENU
   #if ENABLED(LCD_INFO_MENU)
@@ -1342,7 +1375,7 @@
   // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
   //#define USE_BIG_EDIT_FONT
 
-  // A smaller font may be used on the Info Screen. Costs 2300 bytes of PROGMEM.
+  // A smaller font may be used on the Info Screen. Costs 2434 bytes of PROGMEM.
   // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
   //#define USE_SMALL_INFOFONT
 
@@ -1527,10 +1560,9 @@
 #endif
 
 //
-// FSMC / SPI Graphical TFT
+// Classic UI Options
 //
 #if TFT_SCALED_DOGLCD
-  //#define GRAPHICAL_TFT_ROTATE_180
   //#define TFT_MARLINUI_COLOR 0xFFFF // White
   //#define TFT_MARLINBG_COLOR 0x0000 // Black
   //#define TFT_DISABLED_COLOR 0x0003 // Almost black
@@ -1768,6 +1800,7 @@
   #define N_ARC_CORRECTION       25 // Number of interpolated segments between corrections
   //#define ARC_P_CIRCLES           // Enable the 'P' parameter to specify complete circles
   //#define CNC_WORKSPACE_PLANES    // Allow G2/G3 to operate in XY, ZX, or YZ planes
+  //#define SF_ARC_FIX              // Enable only if using SkeinForge with "Arc Point" fillet procedure
 #endif
 
 // Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
@@ -3342,6 +3375,25 @@
   //#define JOYSTICK_DEBUG
 #endif
 
+/**
+ * Mechanical Gantry Calibration
+ * Modern replacement for the Prusa TMC_Z_CALIBRATION.
+ * Adds capability to work with any adjustable current drivers.
+ * Implemented as G34 because M915 is deprecated.
+ */
+//#define MECHANICAL_GANTRY_CALIBRATION
+#if ENABLED(MECHANICAL_GANTRY_CALIBRATION)
+  #define GANTRY_CALIBRATION_CURRENT          600     // Default calibration current in ma
+  #define GANTRY_CALIBRATION_EXTRA_HEIGHT      15     // Extra distance in mm past Z_###_POS to move
+  #define GANTRY_CALIBRATION_FEEDRATE         500     // Feedrate for correction move
+  //#define GANTRY_CALIBRATION_TO_MIN                 // Enable to calibrate Z in the MIN direction
+
+  //#define GANTRY_CALIBRATION_SAFE_POSITION  { X_CENTER, Y_CENTER } // Safe position for nozzle
+  //#define GANTRY_CALIBRATION_XY_PARK_FEEDRATE 3000  // XY Park Feedrate - MMM
+  //#define GANTRY_CALIBRATION_COMMANDS_PRE   ""
+  #define GANTRY_CALIBRATION_COMMANDS_POST  "G28"     // G28 highly recommended to ensure an accurate position
+#endif
+
 /**
  * MAX7219 Debug Matrix
  *
@@ -3523,6 +3575,11 @@
 //
 //#define M100_FREE_MEMORY_WATCHER
 
+//
+// M42 - Set pin states
+//
+//#define DIRECT_PIN_CONTROL
+
 //
 // M43 - display pin status, toggle pins, watch pins, watch endstops & toggle LED, test servo probe
 //

Marlin/Makefile

@@ -22,8 +22,10 @@
 #     (e.g. UPLOAD_PORT = /dev/tty.USB0).  If the exact name of this file
 #     changes, you can use * as a wild card (e.g. UPLOAD_PORT = /dev/tty.usb*).
 #
-#  3. Set the line containing "MCU" to match your board's processor.
+#  3. Set the line containing "MCU" to match your board's processor. Set
-#     Older one's are atmega8 based, newer ones like Arduino Mini, Bluetooth
+#     "PROG_MCU" as the AVR part name corresponding to "MCU". You can use the
+#     following command to get a list of correspondences: `avrdude -c alf -p x`
+#     Older boards are atmega8 based, newer ones like Arduino Mini, Bluetooth
 #     or Diecimila have the atmega168.  If you're using a LilyPad Arduino,
 #     change F_CPU to 8000000. If you are using Gen7 electronics, you
 #     probably need to use 20000000. Either way, you must regenerate
@@ -34,18 +36,18 @@
 #  5. Type "make upload", reset your Arduino board, and press enter to
 #     upload your program to the Arduino board.
 #
-# Note that all settings at the top of this file can be overriden from
+# Note that all settings at the top of this file can be overridden from
 # the command line with, for example, "make HARDWARE_MOTHERBOARD=71"
 #
 # To compile for RAMPS (atmega2560) with Arduino 1.6.9 at root/arduino you would use...
 #
 #   make ARDUINO_VERSION=10609 AVR_TOOLS_PATH=/root/arduino/hardware/tools/avr/bin/ \
-#   HARDWARE_MOTHERBOARD=33 ARDUINO_INSTALL_DIR=/root/arduino
+#   HARDWARE_MOTHERBOARD=1200 ARDUINO_INSTALL_DIR=/root/arduino
 #
 # To compile and upload simply add "upload" to the end of the line...
 #
 #   make ARDUINO_VERSION=10609 AVR_TOOLS_PATH=/root/arduino/hardware/tools/avr/bin/ \
-#   HARDWARE_MOTHERBOARD=33 ARDUINO_INSTALL_DIR=/root/arduino upload
+#   HARDWARE_MOTHERBOARD=1200 ARDUINO_INSTALL_DIR=/root/arduino upload
 #
 # If uploading doesn't work try adding the parameter "AVRDUDE_PROGRAMMER=wiring" or
 # start upload manually (using stk500) like so:
@@ -57,7 +59,26 @@
 #
 
 # This defines the board to compile for (see boards.h for your board's ID)
-HARDWARE_MOTHERBOARD ?= 11
+HARDWARE_MOTHERBOARD ?= 1020
+
+ifeq ($(OS),Windows_NT)
+  # Windows
+  ARDUINO_INSTALL_DIR ?= ${HOME}/Arduino
+  ARDUINO_USER_DIR ?= ${HOME}/Arduino
+else
+  UNAME_S := $(shell uname -s)
+  ifeq ($(UNAME_S),Linux)
+    # Linux
+    ARDUINO_INSTALL_DIR ?= /usr/share/arduino
+    ARDUINO_USER_DIR ?= ${HOME}/Arduino
+  endif
+  ifeq ($(UNAME_S),Darwin)
+    # Darwin (macOS)
+    ARDUINO_INSTALL_DIR ?= /Applications/Arduino.app/Contents/Java
+    ARDUINO_USER_DIR ?= ${HOME}/Documents/Arduino
+    AVR_TOOLS_PATH ?= /Applications/Arduino.app/Contents/Java/hardware/tools/avr/bin/
+  endif
+endif
 
 # Arduino source install directory, and version number
 # On most linuxes this will be /usr/share/arduino
@@ -67,32 +88,38 @@ ARDUINO_VERSION      ?= 106
 # The installed Libraries are in the User folder
 ARDUINO_USER_DIR ?= ${HOME}/Arduino
 
-# You can optionally set a path to the avr-gcc tools. Requires a trailing slash. (ex: /usr/local/avr-gcc/bin)
+# You can optionally set a path to the avr-gcc tools.
+# Requires a trailing slash. For example, /usr/local/avr-gcc/bin/
 AVR_TOOLS_PATH ?=
 
-#Programmer configuration
+# Programmer configuration
 UPLOAD_RATE        ?= 57600
 AVRDUDE_PROGRAMMER ?= arduino
-# on most linuxes this will be /dev/ttyACM0 or /dev/ttyACM1
+# On most linuxes this will be /dev/ttyACM0 or /dev/ttyACM1
 UPLOAD_PORT        ?= /dev/ttyUSB0
 
-#Directory used to build files in, contains all the build files, from object files to the final hex file
+# Directory used to build files in, contains all the build files, from object
-#on linux it is best to put an absolute path like /home/username/tmp .
+# files to the final hex file on linux it is best to put an absolute path
+# like /home/username/tmp .
 BUILD_DIR          ?= applet
 
 # This defines whether Liquid_TWI2 support will be built
 LIQUID_TWI2        ?= 0
 
-# this defines if Wire is needed
+# This defines if Wire is needed
 WIRE               ?= 0
 
-# this defines if U8GLIB is needed (may require RELOC_WORKAROUND)
+# This defines if Tone is needed (i.e SPEAKER is defined in Configuration.h)
-U8GLIB             ?= 1
+# Disabling this (and SPEAKER) saves approximatively 350 bytes of memory.
+TONE               ?= 1
 
-# this defines whether to include the Trinamic TMCStepper library
+# This defines if U8GLIB is needed (may require RELOC_WORKAROUND)
-TMC                ?= 1
+U8GLIB             ?= 0
 
-# this defines whether to include the AdaFruit NeoPixel library
+# This defines whether to include the Trinamic TMCStepper library
+TMC                ?= 0
+
+# This defines whether to include the AdaFruit NeoPixel library
 NEOPIXEL           ?= 0
 
 ############
@@ -208,7 +235,8 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1119)
 else ifeq ($(HARDWARE_MOTHERBOARD),1120)
 # Ultimaker (Older electronics. Pre 1.5.4. This is rare)
 else ifeq ($(HARDWARE_MOTHERBOARD),1121)
-  MCU ?= atmega1280
+  MCU              ?= atmega1280
+  PROG_MCU         ?= m1280
 
 # Azteeg X3
 else ifeq ($(HARDWARE_MOTHERBOARD),1122)
@@ -350,9 +378,11 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1320)
 # Minitronics v1.0/1.1
 else ifeq ($(HARDWARE_MOTHERBOARD),1400)
   MCU              ?= atmega1281
+  PROG_MCU         ?= m1281
 # Silvergate v1.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1401)
   MCU              ?= atmega1281
+  PROG_MCU         ?= m1281
 
 #
 # Sanguinololu and Derivatives - ATmega644P, ATmega1284P
@@ -362,46 +392,57 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1401)
 else ifeq ($(HARDWARE_MOTHERBOARD),1500)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Sanguinololu 1.2 and above
 else ifeq ($(HARDWARE_MOTHERBOARD),1501)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Melzi
 else ifeq ($(HARDWARE_MOTHERBOARD),1502)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Melzi V2.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1503)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
 # Melzi with ATmega1284 (MaKr3d version)
 else ifeq ($(HARDWARE_MOTHERBOARD),1504)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
 # Melzi Creality3D board (for CR-10 etc)
 else ifeq ($(HARDWARE_MOTHERBOARD),1505)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
 # Melzi Malyan M150 board
 else ifeq ($(HARDWARE_MOTHERBOARD),1506)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
 # Tronxy X5S
 else ifeq ($(HARDWARE_MOTHERBOARD),1507)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
 # STB V1.1
 else ifeq ($(HARDWARE_MOTHERBOARD),1508)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
 # Azteeg X1
 else ifeq ($(HARDWARE_MOTHERBOARD),1509)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
 # Anet 1.0 (Melzi clone)
 else ifeq ($(HARDWARE_MOTHERBOARD),1510)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
 
 #
 # Other ATmega644P, ATmega644, ATmega1284P
@@ -411,50 +452,61 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1510)
 else ifeq ($(HARDWARE_MOTHERBOARD),1600)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Gen3+
 else ifeq ($(HARDWARE_MOTHERBOARD),1601)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Gen6
 else ifeq ($(HARDWARE_MOTHERBOARD),1602)
   HARDWARE_VARIANT ?= Gen6
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Gen6 deluxe
 else ifeq ($(HARDWARE_MOTHERBOARD),1603)
   HARDWARE_VARIANT ?= Gen6
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Gen7 custom (Alfons3 Version)
 else ifeq ($(HARDWARE_MOTHERBOARD),1604)
   HARDWARE_VARIANT ?= Gen7
   MCU              ?= atmega644
+  PROG_MCU         ?= m644
   F_CPU            ?= 20000000
 # Gen7 v1.1, v1.2
 else ifeq ($(HARDWARE_MOTHERBOARD),1605)
   HARDWARE_VARIANT ?= Gen7
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
   F_CPU            ?= 20000000
 # Gen7 v1.3
 else ifeq ($(HARDWARE_MOTHERBOARD),1606)
   HARDWARE_VARIANT ?= Gen7
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
   F_CPU            ?= 20000000
 # Gen7 v1.4
 else ifeq ($(HARDWARE_MOTHERBOARD),1607)
   HARDWARE_VARIANT ?= Gen7
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
   F_CPU            ?= 20000000
 # Alpha OMCA board
 else ifeq ($(HARDWARE_MOTHERBOARD),1608)
   HARDWARE_VARIANT ?= SanguinoA
   MCU              ?= atmega644
+  PROG_MCU         ?= m644
 # Final OMCA board
 else ifeq ($(HARDWARE_MOTHERBOARD),1609)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Sethi 3D_1
 else ifeq ($(HARDWARE_MOTHERBOARD),1610)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 
 #
 # Teensyduino - AT90USB1286, AT90USB1286P
@@ -464,51 +516,60 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1610)
 else ifeq ($(HARDWARE_MOTHERBOARD),1700)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # Printrboard (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1701)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # Printrboard Revision F (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1702)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # Brainwave (AT90USB646)
 else ifeq ($(HARDWARE_MOTHERBOARD),1703)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb646
+  PROG_MCU         ?= usb646
 # Brainwave Pro (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1704)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # SAV Mk-I (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1705)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # Teensy++2.0 (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1706)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # 5DPrint D8 Driver Board
 else ifeq ($(HARDWARE_MOTHERBOARD),1707)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 
 # UltiMachine Archim1 (with DRV8825 drivers)
 else ifeq ($(HARDWARE_MOTHERBOARD),3023)
   HARDWARE_VARIANT ?= archim
   MCPU              = cortex-m3
-  F_CPU             = 84000000L
+  F_CPU             = 84000000
   IS_MCU            = 0
 # UltiMachine Archim2 (with TMC2130 drivers)
 else ifeq ($(HARDWARE_MOTHERBOARD),3024)
   HARDWARE_VARIANT ?= archim
   MCPU              = cortex-m3
-  F_CPU             = 84000000L
+  F_CPU             = 84000000
   IS_MCU            = 0
 endif
 
 # Be sure to regenerate speed_lookuptable.h with create_speed_lookuptable.py
 # if you are setting this to something other than 16MHz
+# Do not put the UL suffix, it's done later on.
 # Set to 16Mhz if not yet set.
 F_CPU ?= 16000000
 
@@ -518,7 +579,8 @@ IS_MCU ?= 1
 ifeq ($(IS_MCU),1)
   # Set to arduino, ATmega2560 if not yet set.
   HARDWARE_VARIANT ?= arduino
-  MCU ?= atmega2560
+  MCU              ?= atmega2560
+  PROG_MCU         ?= m2560
 
   TOOL_PREFIX = avr
   MCU_FLAGS   = -mmcu=$(MCU)
@@ -549,27 +611,36 @@ VPATH += $(BUILD_DIR)
 VPATH += $(HARDWARE_SRC)
 
 ifeq ($(HARDWARE_VARIANT), $(filter $(HARDWARE_VARIANT),arduino Teensy Sanguino))
-VPATH += $(ARDUINO_INSTALL_DIR)/hardware/marlin/avr/libraries/LiquidCrystal/src
+  # Old libraries (avr-core 1.6.21 < / Arduino < 1.6.8)
-VPATH += $(ARDUINO_INSTALL_DIR)/hardware/marlin/avr/libraries/SPI
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SPI
+  # New libraries (avr-core >= 1.6.21 / Arduino >= 1.6.8)
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SPI/src
 endif
 
 ifeq ($(IS_MCU),1)
   VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/cores/arduino
 
+  # Old libraries (avr-core 1.6.21 < / Arduino < 1.6.8)
   VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SPI
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SoftwareSerial
+  # New libraries (avr-core >= 1.6.21 / Arduino >= 1.6.8)
   VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SPI/src
   VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SoftwareSerial/src
 endif
 
 VPATH += $(ARDUINO_INSTALL_DIR)/libraries/LiquidCrystal/src
+
 ifeq ($(LIQUID_TWI2), 1)
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Wire
+  WIRE   = 1
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Wire/utility
+  VPATH += $(ARDUINO_INSTALL_DIR)/libraries/LiquidTWI2
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/LiquidTWI2
 endif
 ifeq ($(WIRE), 1)
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Wire
+  # Old libraries (avr-core 1.6.21 / Arduino < 1.6.8)
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Wire/utility
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/Wire
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/Wire/utility
+  # New libraries (avr-core >= 1.6.21 / Arduino >= 1.6.8)
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/Wire/src
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/Wire/src/utility
 endif
 ifeq ($(NEOPIXEL), 1)
 VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Adafruit_NeoPixel
@@ -641,13 +712,23 @@ ifeq ($(WIRE), 1)
   LIB_CXXSRC += Wire.cpp
 endif
 
+ifeq ($(TONE), 1)
+  LIB_CXXSRC += Tone.cpp
+endif
+
 ifeq ($(U8GLIB), 1)
   LIB_CXXSRC += U8glib.cpp
-  LIB_SRC += u8g_ll_api.c u8g_bitmap.c u8g_clip.c u8g_com_null.c u8g_delay.c u8g_page.c u8g_pb.c u8g_pb16h1.c u8g_rect.c u8g_state.c u8g_font.c u8g_font_6x13.c u8g_font_04b_03.c u8g_font_5x8.c
+  LIB_SRC += u8g_ll_api.c u8g_bitmap.c u8g_clip.c u8g_com_null.c u8g_delay.c \
+    u8g_page.c u8g_pb.c u8g_pb16h1.c u8g_rect.c u8g_state.c u8g_font.c \
+    u8g_font_6x13.c u8g_font_04b_03.c u8g_font_5x8.c
 endif
 
 ifeq ($(TMC), 1)
-  LIB_CXXSRC += TMCStepper.cpp COOLCONF.cpp DRV_STATUS.cpp IHOLD_IRUN.cpp CHOPCONF.cpp GCONF.cpp PWMCONF.cpp DRV_CONF.cpp DRVCONF.cpp DRVCTRL.cpp DRVSTATUS.cpp ENCMODE.cpp RAMP_STAT.cpp SGCSCONF.cpp SHORT_CONF.cpp SMARTEN.cpp SW_MODE.cpp SW_SPI.cpp TMC2130Stepper.cpp TMC2208Stepper.cpp TMC2209Stepper.cpp TMC2660Stepper.cpp TMC5130Stepper.cpp TMC5160Stepper.cpp
+  LIB_CXXSRC += TMCStepper.cpp COOLCONF.cpp DRV_STATUS.cpp IHOLD_IRUN.cpp \
+    CHOPCONF.cpp GCONF.cpp PWMCONF.cpp DRV_CONF.cpp DRVCONF.cpp DRVCTRL.cpp \
+    DRVSTATUS.cpp ENCMODE.cpp RAMP_STAT.cpp SGCSCONF.cpp SHORT_CONF.cpp \
+    SMARTEN.cpp SW_MODE.cpp SW_SPI.cpp TMC2130Stepper.cpp TMC2208Stepper.cpp \
+    TMC2209Stepper.cpp TMC2660Stepper.cpp TMC5130Stepper.cpp TMC5160Stepper.cpp
 endif
 
 ifeq ($(RELOC_WORKAROUND), 1)
@@ -689,17 +770,23 @@ REMOVE = rm -f
 MV = mv -f
 
 # Place -D or -U options here
-CDEFS    = -DF_CPU=$(F_CPU) ${addprefix -D , $(DEFINES)} -DARDUINO=$(ARDUINO_VERSION)
+CDEFS    = -DF_CPU=$(F_CPU)UL ${addprefix -D , $(DEFINES)} -DARDUINO=$(ARDUINO_VERSION)
 CXXDEFS  = $(CDEFS)
 
 ifeq ($(HARDWARE_VARIANT), Teensy)
-  CDEFS  += -DUSB_SERIAL
+  CDEFS      += -DUSB_SERIAL
   LIB_SRC    += usb.c pins_teensy.c
   LIB_CXXSRC += usb_api.cpp
 
 else ifeq ($(HARDWARE_VARIANT), archim)
-  CDEFS      += -DARDUINO_SAM_ARCHIM -DARDUINO_ARCH_SAM -D__SAM3X8E__ -DUSB_VID=0x27b1 -DUSB_PID=0x0001 -DUSBCON '-DUSB_MANUFACTURER="UltiMachine"' '-DUSB_PRODUCT_STRING="Archim"'
+  CDEFS      += -DARDUINO_SAM_ARCHIM -DARDUINO_ARCH_SAM -D__SAM3X8E__
-  LIB_CXXSRC += variant.cpp IPAddress.cpp Reset.cpp RingBuffer.cpp Stream.cpp UARTClass.cpp  USARTClass.cpp abi.cpp new.cpp watchdog.cpp CDC.cpp PluggableUSB.cpp USBCore.cpp
+  CDEFS      += -DUSB_VID=0x27B1 -DUSB_PID=0x0001 -DUSBCON
+  CDEFS      += '-DUSB_MANUFACTURER="UltiMachine"' '-DUSB_PRODUCT_STRING="Archim"'
+
+  LIB_CXXSRC += variant.cpp IPAddress.cpp Reset.cpp RingBuffer.cpp Stream.cpp \
+    UARTClass.cpp  USARTClass.cpp abi.cpp new.cpp watchdog.cpp CDC.cpp \
+    PluggableUSB.cpp USBCore.cpp
+
   LIB_SRC    += cortex_handlers.c iar_calls_sam3.c syscalls_sam3.c dtostrf.c itoa.c
 
   ifeq ($(U8GLIB), 1)
@@ -725,16 +812,20 @@ CTUNING = -fsigned-char -funsigned-bitfields -fno-exceptions \
 ifneq ($(HARDWARE_MOTHERBOARD),)
   CTUNING += -DMOTHERBOARD=${HARDWARE_MOTHERBOARD}
 endif
+
 #CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
 CXXEXTRA = -fno-use-cxa-atexit -fno-threadsafe-statics -fno-rtti
 CFLAGS := $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CEXTRA)   $(CTUNING) $(CSTANDARD)
 CXXFLAGS :=         $(CDEFS) $(CINCS) -O$(OPT) $(CXXEXTRA) $(CTUNING) $(CXXSTANDARD)
 ASFLAGS :=          $(CDEFS)
 #ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
+
 ifeq ($(HARDWARE_VARIANT), archim)
   LD_PREFIX = -Wl,--gc-sections,-Map,Marlin.ino.map,--cref,--check-sections,--entry=Reset_Handler,--unresolved-symbols=report-all,--warn-common,--warn-section-align
   LD_SUFFIX = $(LDLIBS)
-  LDFLAGS   = -lm -T$(LDSCRIPT) -u _sbrk -u link -u _close -u _fstat -u _isatty -u _lseek -u _read -u _write -u _exit -u kill -u _getpid
+
+  LDFLAGS   = -lm -T$(LDSCRIPT) -u _sbrk -u link -u _close -u _fstat -u _isatty
+  LDFLAGS  += -u _lseek -u _read -u _write -u _exit -u kill -u _getpid
 else
   LD_PREFIX = -Wl,--gc-sections,--relax
   LDFLAGS   = -lm
@@ -750,7 +841,7 @@ else
   AVRDUDE_CONF = $(ARDUINO_INSTALL_DIR)/hardware/tools/avr/etc/avrdude.conf
 endif
 AVRDUDE_FLAGS = -D -C$(AVRDUDE_CONF) \
-  -p$(MCU) -P$(AVRDUDE_PORT) -c$(AVRDUDE_PROGRAMMER) \
+  -p$(PROG_MCU) -P$(AVRDUDE_PORT) -c$(AVRDUDE_PROGRAMMER) \
   -b$(UPLOAD_RATE)
 
 # Since Marlin 2.0, the source files may be distributed into several
@@ -851,7 +942,7 @@ extcoff: $(TARGET).elf
 
 .elf.eep:
 	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
-    --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
+	  --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
 
 # Create extended listing file from ELF output file.
 .elf.lss:
@@ -865,7 +956,7 @@ extcoff: $(TARGET).elf
 
 $(BUILD_DIR)/$(TARGET).elf: $(OBJ) Configuration.h
 	$(Pecho) "  CXX   $@"
-	$P $(CC) $(LD_PREFIX) $(ALL_CXXFLAGS) -o $@ -L. $(OBJ) $(LDFLAGS) $(LD_SUFFIX)
+	$P $(CXX) $(LD_PREFIX) $(ALL_CXXFLAGS) -o $@ -L. $(OBJ) $(LDFLAGS) $(LD_SUFFIX)
 
 # Object files that were found in "src" will be stored in $(BUILD_DIR)
 # in directories that mirror the structure of "src"

Marlin/Version.h

@@ -28,7 +28,7 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "2.0.7"
+//#define SHORT_BUILD_VERSION "2.0.7.2"
 
 /**
  * Verbose version identifier which should contain a reference to the location

Marlin/src/HAL/AVR/HAL.h

@@ -25,7 +25,7 @@
 #include "watchdog.h"
 #include "math.h"
 
-#ifdef USBCON
+#ifdef IS_AT90USB
   #include <HardwareSerial.h>
 #else
   #define HardwareSerial_h // Hack to prevent HardwareSerial.h header inclusion
@@ -81,7 +81,7 @@ typedef int8_t pin_t;
 //extern uint8_t MCUSR;
 
 // Serial ports
-#ifdef USBCON
+#ifdef IS_AT90USB
   #define MYSERIAL0 TERN(BLUETOOTH, bluetoothSerial, Serial)
 #else
   #if !WITHIN(SERIAL_PORT, -1, 3)
@@ -120,6 +120,8 @@ void HAL_init();
 inline void HAL_clear_reset_source() { MCUSR = 0; }
 inline uint8_t HAL_get_reset_source() { return MCUSR; }
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-function"
 extern "C" {

Marlin/src/HAL/AVR/MarlinSerial.cpp

@@ -38,7 +38,7 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if !defined(USBCON) && (defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H))
+#if !IS_AT90USB && (defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H))
 
 #include "MarlinSerial.h"
 #include "../../MarlinCore.h"
@@ -792,10 +792,10 @@ MarlinSerial<MarlinSerialCfg<SERIAL_PORT>> customizedSerial1;
 
 #endif
 
-#endif // !USBCON && (UBRRH || UBRR0H || UBRR1H || UBRR2H || UBRR3H)
+#endif // !IS_AT90USB && (UBRRH || UBRR0H || UBRR1H || UBRR2H || UBRR3H)
 
 // For AT90USB targets use the UART for BT interfacing
-#if defined(USBCON) && ENABLED(BLUETOOTH)
+#if BOTH(IS_AT90USB, BLUETOOTH)
   HardwareSerial bluetoothSerial;
 #endif
 

Marlin/src/HAL/AVR/MarlinSerial.h

@@ -327,6 +327,6 @@
 #endif
 
 // Use the UART for Bluetooth in AT90USB configurations
-#if defined(USBCON) && ENABLED(BLUETOOTH)
+#if BOTH(IS_AT90USB, BLUETOOTH)
   extern HardwareSerial bluetoothSerial;
 #endif

Marlin/src/HAL/AVR/fast_pwm.cpp

@@ -185,8 +185,8 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
         res_temp_phase_correct = rtf / 2;
       }
 
-      LIMIT(res_temp_fast, 1u, size);
+      LIMIT(res_temp_fast, 1U, size);
-      LIMIT(res_temp_phase_correct, 1u, size);
+      LIMIT(res_temp_phase_correct, 1U, size);
       // Calculate frequencies of test prescaler and resolution values
       const int f_temp_fast = (F_CPU) / (prescaler[i] * (1 + res_temp_fast)),
                 f_temp_phase_correct = (F_CPU) / (2 * prescaler[i] * res_temp_phase_correct),

Marlin/src/HAL/DUE/HAL.cpp

@@ -19,9 +19,7 @@
  */
 
 /**
- * Description: HAL for Arduino Due and compatible (SAM3X8E)
+ * HAL for Arduino Due and compatible (SAM3X8E)
- *
- * For ARDUINO_ARCH_SAM
  */
 
 #ifdef ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/HAL.h

@@ -22,9 +22,7 @@
 #pragma once
 
 /**
- * Description: HAL for Arduino Due and compatible (SAM3X8E)
+ * HAL for Arduino Due and compatible (SAM3X8E)
- *
- * For ARDUINO_ARCH_SAM
  */
 
 #define CPU_32_BIT
@@ -107,13 +105,15 @@ void sei();                     // Enable interrupts
 void HAL_clear_reset_source();  // clear reset reason
 uint8_t HAL_get_reset_source(); // get reset reason
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 //
 // ADC
 //
 extern uint16_t HAL_adc_result;     // result of last ADC conversion
 
 #ifndef analogInputToDigitalPin
-  #define analogInputToDigitalPin(p) ((p < 12u) ? (p) + 54u : -1)
+  #define analogInputToDigitalPin(p) ((p < 12U) ? (p) + 54U : -1)
 #endif
 
 #define HAL_ANALOG_SELECT(ch)

Marlin/src/HAL/DUE/HAL_SPI.cpp

@@ -30,7 +30,7 @@
  */
 
 /**
- * Description: HAL for Arduino Due and compatible (SAM3X8E)
+ * HAL for Arduino Due and compatible (SAM3X8E)
  *
  * For ARDUINO_ARCH_SAM
  */

Marlin/src/HAL/DUE/eeprom_flash.cpp

@@ -60,7 +60,7 @@
 #define EEPROMSize     4096
 #define PagesPerGroup   128
 #define GroupCount        2
-#define PageSize        256u
+#define PageSize        256U
 
  /* Flash storage */
 typedef struct FLASH_SECTOR {

Marlin/src/HAL/DUE/fastio/G2_PWM.cpp

@@ -154,7 +154,7 @@ void Stepper::digipot_init() {
   NVIC_SetPriority(PWM_IRQn, NVIC_EncodePriority(0, 10, 0));  // normal priority for PWM module (can stand some jitter on the Vref signals)
 }
 
-void Stepper::digipot_current(const uint8_t driver, const int16_t current) {
+void Stepper::set_digipot_current(const uint8_t driver, const int16_t current) {
 
   if (!(PWM->PWM_CH_NUM[0].PWM_CPRD == PWM_PERIOD_US)) digipot_init();  // Init PWM system if needed
 

Marlin/src/HAL/DUE/timers.cpp

@@ -21,9 +21,7 @@
  */
 
 /**
- * Description: HAL for Arduino Due and compatible (SAM3X8E)
+ * HAL Timers for Arduino Due and compatible (SAM3X8E)
- *
- * For ARDUINO_ARCH_SAM
  */
 
 #ifdef ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/timers.h

@@ -21,9 +21,7 @@
 #pragma once
 
 /**
- * HAL for Arduino Due and compatible (SAM3X8E)
+ * HAL Timers for Arduino Due and compatible (SAM3X8E)
- *
- * For ARDUINO_ARCH_SAM
  */
 
 #include <stdint.h>

Marlin/src/HAL/DUE/upload_extra_script.py

@@ -14,5 +14,5 @@ if current_OS == 'Windows':
 
 	# Use bossac.exe on Windows
 	env.Replace(
-	    UPLOADCMD="bossac --info --unlock --write --verify --reset --erase -U false --boot"
+	    UPLOADCMD="bossac --info --unlock --write --verify --reset --erase -U false --boot $SOURCE"
 	)

Marlin/src/HAL/DUE/usb/compiler.h

@@ -609,37 +609,37 @@ typedef struct
 #   define clz(u)              ((u) ? __CLZ(u) : 32)
 #else
 #   define clz(u)              (((u) == 0)          ? 32 : \
-                                ((u) & (1ul << 31)) ?  0 : \
+                                ((u) & (1UL << 31)) ?  0 : \
-                                ((u) & (1ul << 30)) ?  1 : \
+                                ((u) & (1UL << 30)) ?  1 : \
-                                ((u) & (1ul << 29)) ?  2 : \
+                                ((u) & (1UL << 29)) ?  2 : \
-                                ((u) & (1ul << 28)) ?  3 : \
+                                ((u) & (1UL << 28)) ?  3 : \
-                                ((u) & (1ul << 27)) ?  4 : \
+                                ((u) & (1UL << 27)) ?  4 : \
-                                ((u) & (1ul << 26)) ?  5 : \
+                                ((u) & (1UL << 26)) ?  5 : \
-                                ((u) & (1ul << 25)) ?  6 : \
+                                ((u) & (1UL << 25)) ?  6 : \
-                                ((u) & (1ul << 24)) ?  7 : \
+                                ((u) & (1UL << 24)) ?  7 : \
-                                ((u) & (1ul << 23)) ?  8 : \
+                                ((u) & (1UL << 23)) ?  8 : \
-                                ((u) & (1ul << 22)) ?  9 : \
+                                ((u) & (1UL << 22)) ?  9 : \
-                                ((u) & (1ul << 21)) ? 10 : \
+                                ((u) & (1UL << 21)) ? 10 : \
-                                ((u) & (1ul << 20)) ? 11 : \
+                                ((u) & (1UL << 20)) ? 11 : \
-                                ((u) & (1ul << 19)) ? 12 : \
+                                ((u) & (1UL << 19)) ? 12 : \
-                                ((u) & (1ul << 18)) ? 13 : \
+                                ((u) & (1UL << 18)) ? 13 : \
-                                ((u) & (1ul << 17)) ? 14 : \
+                                ((u) & (1UL << 17)) ? 14 : \
-                                ((u) & (1ul << 16)) ? 15 : \
+                                ((u) & (1UL << 16)) ? 15 : \
-                                ((u) & (1ul << 15)) ? 16 : \
+                                ((u) & (1UL << 15)) ? 16 : \
-                                ((u) & (1ul << 14)) ? 17 : \
+                                ((u) & (1UL << 14)) ? 17 : \
-                                ((u) & (1ul << 13)) ? 18 : \
+                                ((u) & (1UL << 13)) ? 18 : \
-                                ((u) & (1ul << 12)) ? 19 : \
+                                ((u) & (1UL << 12)) ? 19 : \
-                                ((u) & (1ul << 11)) ? 20 : \
+                                ((u) & (1UL << 11)) ? 20 : \
-                                ((u) & (1ul << 10)) ? 21 : \
+                                ((u) & (1UL << 10)) ? 21 : \
-                                ((u) & (1ul <<  9)) ? 22 : \
+                                ((u) & (1UL <<  9)) ? 22 : \
-                                ((u) & (1ul <<  8)) ? 23 : \
+                                ((u) & (1UL <<  8)) ? 23 : \
-                                ((u) & (1ul <<  7)) ? 24 : \
+                                ((u) & (1UL <<  7)) ? 24 : \
-                                ((u) & (1ul <<  6)) ? 25 : \
+                                ((u) & (1UL <<  6)) ? 25 : \
-                                ((u) & (1ul <<  5)) ? 26 : \
+                                ((u) & (1UL <<  5)) ? 26 : \
-                                ((u) & (1ul <<  4)) ? 27 : \
+                                ((u) & (1UL <<  4)) ? 27 : \
-                                ((u) & (1ul <<  3)) ? 28 : \
+                                ((u) & (1UL <<  3)) ? 28 : \
-                                ((u) & (1ul <<  2)) ? 29 : \
+                                ((u) & (1UL <<  2)) ? 29 : \
-                                ((u) & (1ul <<  1)) ? 30 : \
+                                ((u) & (1UL <<  1)) ? 30 : \
                                 31)
 #endif
 #endif
@@ -654,38 +654,38 @@ typedef struct
 #if (defined __GNUC__) || (defined __CC_ARM)
 #   define ctz(u)              ((u) ? __builtin_ctz(u) : 32)
 #else
-#   define ctz(u)              ((u) & (1ul <<  0) ?  0 : \
+#   define ctz(u)              ((u) & (1UL <<  0) ?  0 : \
-                                (u) & (1ul <<  1) ?  1 : \
+                                (u) & (1UL <<  1) ?  1 : \
-                                (u) & (1ul <<  2) ?  2 : \
+                                (u) & (1UL <<  2) ?  2 : \
-                                (u) & (1ul <<  3) ?  3 : \
+                                (u) & (1UL <<  3) ?  3 : \
-                                (u) & (1ul <<  4) ?  4 : \
+                                (u) & (1UL <<  4) ?  4 : \
-                                (u) & (1ul <<  5) ?  5 : \
+                                (u) & (1UL <<  5) ?  5 : \
-                                (u) & (1ul <<  6) ?  6 : \
+                                (u) & (1UL <<  6) ?  6 : \
-                                (u) & (1ul <<  7) ?  7 : \
+                                (u) & (1UL <<  7) ?  7 : \
-                                (u) & (1ul <<  8) ?  8 : \
+                                (u) & (1UL <<  8) ?  8 : \
-                                (u) & (1ul <<  9) ?  9 : \
+                                (u) & (1UL <<  9) ?  9 : \
-                                (u) & (1ul << 10) ? 10 : \
+                                (u) & (1UL << 10) ? 10 : \
-                                (u) & (1ul << 11) ? 11 : \
+                                (u) & (1UL << 11) ? 11 : \
-                                (u) & (1ul << 12) ? 12 : \
+                                (u) & (1UL << 12) ? 12 : \
-                                (u) & (1ul << 13) ? 13 : \
+                                (u) & (1UL << 13) ? 13 : \
-                                (u) & (1ul << 14) ? 14 : \
+                                (u) & (1UL << 14) ? 14 : \
-                                (u) & (1ul << 15) ? 15 : \
+                                (u) & (1UL << 15) ? 15 : \
-                                (u) & (1ul << 16) ? 16 : \
+                                (u) & (1UL << 16) ? 16 : \
-                                (u) & (1ul << 17) ? 17 : \
+                                (u) & (1UL << 17) ? 17 : \
-                                (u) & (1ul << 18) ? 18 : \
+                                (u) & (1UL << 18) ? 18 : \
-                                (u) & (1ul << 19) ? 19 : \
+                                (u) & (1UL << 19) ? 19 : \
-                                (u) & (1ul << 20) ? 20 : \
+                                (u) & (1UL << 20) ? 20 : \
-                                (u) & (1ul << 21) ? 21 : \
+                                (u) & (1UL << 21) ? 21 : \
-                                (u) & (1ul << 22) ? 22 : \
+                                (u) & (1UL << 22) ? 22 : \
-                                (u) & (1ul << 23) ? 23 : \
+                                (u) & (1UL << 23) ? 23 : \
-                                (u) & (1ul << 24) ? 24 : \
+                                (u) & (1UL << 24) ? 24 : \
-                                (u) & (1ul << 25) ? 25 : \
+                                (u) & (1UL << 25) ? 25 : \
-                                (u) & (1ul << 26) ? 26 : \
+                                (u) & (1UL << 26) ? 26 : \
-                                (u) & (1ul << 27) ? 27 : \
+                                (u) & (1UL << 27) ? 27 : \
-                                (u) & (1ul << 28) ? 28 : \
+                                (u) & (1UL << 28) ? 28 : \
-                                (u) & (1ul << 29) ? 29 : \
+                                (u) & (1UL << 29) ? 29 : \
-                                (u) & (1ul << 30) ? 30 : \
+                                (u) & (1UL << 30) ? 30 : \
-                                (u) & (1ul << 31) ? 31 : \
+                                (u) & (1UL << 31) ? 31 : \
                                 32)
 #endif
 #endif

Marlin/src/HAL/ESP32/HAL.h

@@ -20,7 +20,7 @@
 #pragma once
 
 /**
- * Description: HAL for Espressif ESP32 WiFi
+ * HAL for Espressif ESP32 WiFi
  */
 
 #define CPU_32_BIT
@@ -96,6 +96,8 @@ void HAL_clear_reset_source();
 // reset reason
 uint8_t HAL_get_reset_source();
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 void _delay_ms(int delay);
 
 #pragma GCC diagnostic push
@@ -155,14 +157,14 @@ FORCE_INLINE static void DELAY_CYCLES(uint32_t x) {
 
   if (stop >= start) {
     // no overflow, so only loop while in between start and stop:
-    // 0x00000000 -----------------start****stop-- 0xffffffff
+    // 0x00000000 -----------------start****stop-- 0xFFFFFFFF
     while (ccount >= start && ccount < stop) {
       __asm__ __volatile__ ( "rsr     %0, ccount" : "=a" (ccount) );
     }
   }
   else {
     // stop did overflow, so only loop while outside of stop and start:
-    // 0x00000000 **stop-------------------start** 0xffffffff
+    // 0x00000000 **stop-------------------start** 0xFFFFFFFF
     while (ccount >= start || ccount < stop) {
       __asm__ __volatile__ ( "rsr     %0, ccount" : "=a" (ccount) );
     }

Marlin/src/HAL/HAL.h

@@ -34,7 +34,7 @@
 #define HAL_ADC_RANGE _BV(HAL_ADC_RESOLUTION)
 
 #ifndef I2C_ADDRESS
-  #define I2C_ADDRESS(A) (A)
+  #define I2C_ADDRESS(A) uint8_t(A)
 #endif
 
 // Needed for AVR sprintf_P PROGMEM extension

Marlin/src/HAL/LINUX/HAL.h

@@ -101,6 +101,8 @@ uint16_t HAL_adc_get_result();
 inline void HAL_clear_reset_source(void) {}
 inline uint8_t HAL_get_reset_source(void) { return RST_POWER_ON; }
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 /* ---------------- Delay in cycles */
 FORCE_INLINE static void DELAY_CYCLES(uint64_t x) {
   Clock::delayCycles(x);

Marlin/src/HAL/LPC1768/HAL.h

@@ -200,6 +200,8 @@ void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size=255,
 void HAL_clear_reset_source(void);
 uint8_t HAL_get_reset_source(void);
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 // Add strcmp_P if missing
 #ifndef strcmp_P
   #define strcmp_P(a, b) strcmp((a), (b))

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

@@ -24,10 +24,3 @@
 #if HAS_FSMC_TFT
   #error "Sorry! FSMC TFT displays are not current available for HAL/LPC1768."
 #endif
-
-// This emulated DOGM has 'touch/xpt2046', not 'tft/xpt2046'
-#if ENABLED(TOUCH_SCREEN) && !HAS_GRAPHICAL_TFT
-  #undef TOUCH_SCREEN
-  #undef TOUCH_SCREEN_CALIBRATION
-  #define HAS_TOUCH_XPT2046 1
-#endif

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

@@ -191,7 +191,7 @@ static_assert(DISABLED(BAUD_RATE_GCODE), "BAUD_RATE_GCODE is not yet supported o
 //
 // Flag any i2c pin conflicts
 //
-#if ANY(HAS_I2C_DIGIPOT, DAC_STEPPER_CURRENT, EXPERIMENTAL_I2CBUS, I2C_POSITION_ENCODERS, PCA9632, I2C_EEPROM)
+#if ANY(HAS_MOTOR_CURRENT_I2C, HAS_MOTOR_CURRENT_DAC, EXPERIMENTAL_I2CBUS, I2C_POSITION_ENCODERS, PCA9632, I2C_EEPROM)
   #define USEDI2CDEV_M 1  // <Arduino>/Wire.cpp
 
   #if USEDI2CDEV_M == 0         // P0_27 [D57] (AUX-1) .......... P0_28 [D58] (AUX-1)

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

@@ -36,7 +36,7 @@
 
 #define DATASIZE_8BIT    SSP_DATABIT_8
 #define DATASIZE_16BIT   SSP_DATABIT_16
-#define TFT_IO TFT_SPI
+#define TFT_IO_DRIVER TFT_SPI
 
 #define DMA_MINC_ENABLE 1
 #define DMA_MINC_DISABLE 0

Marlin/src/HAL/SAMD51/HAL.h

@@ -35,7 +35,8 @@
 
   // MYSERIAL0 required before MarlinSerial includes!
 
-  #define _MSERIAL(X) Serial##X
+  #define __MSERIAL(X) Serial##X
+  #define _MSERIAL(X) __MSERIAL(X)
   #define MSERIAL(X) _MSERIAL(INCREMENT(X))
 
   #if SERIAL_PORT == -1
@@ -88,6 +89,8 @@ typedef int8_t pin_t;
 void HAL_clear_reset_source();  // clear reset reason
 uint8_t HAL_get_reset_source(); // get reset reason
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 //
 // ADC
 //

Marlin/src/HAL/SAMD51/QSPIFlash.cpp

@@ -26,7 +26,7 @@
 
 #include "QSPIFlash.h"
 
-#define INVALID_ADDR    0xffffffff
+#define INVALID_ADDR    0xFFFFFFFF
 #define SECTOR_OF(a)    (a & ~(SFLASH_SECTOR_SIZE - 1))
 #define OFFSET_OF(a)    (a & (SFLASH_SECTOR_SIZE - 1))
 

Marlin/src/HAL/STM32/HAL.cpp

@@ -63,7 +63,7 @@ uint16_t HAL_adc_result;
 void HAL_init() {
   FastIO_init();
 
-  #if ENABLED(SDSUPPORT) && DISABLED(SDIO_SUPPORT)
+  #if ENABLED(SDSUPPORT) && DISABLED(SDIO_SUPPORT) && (defined(SDSS) && SDSS != -1)
     OUT_WRITE(SDSS, HIGH); // Try to set SDSS inactive before any other SPI users start up
   #endif
 
@@ -122,9 +122,14 @@ extern "C" {
 
 // TODO: Make sure this doesn't cause any delay
 void HAL_adc_start_conversion(const uint8_t adc_pin) { HAL_adc_result = analogRead(adc_pin); }
-
 uint16_t HAL_adc_get_result() { return HAL_adc_result; }
 
+// Reset the system (to initiate a firmware flash)
 void flashFirmware(const int16_t) { NVIC_SystemReset(); }
 
+// Maple Compatibility
+systickCallback_t systick_user_callback;
+void systick_attach_callback(systickCallback_t cb) { systick_user_callback = cb; }
+void HAL_SYSTICK_Callback() { if (systick_user_callback) systick_user_callback(); }
+
 #endif // ARDUINO_ARCH_STM32 && !STM32GENERIC

Marlin/src/HAL/STM32/HAL.h

@@ -134,6 +134,8 @@ void HAL_clear_reset_source();
 // Reset reason
 uint8_t HAL_get_reset_source();
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 void _delay_ms(const int delay);
 
 extern "C" char* _sbrk(int incr);
@@ -177,3 +179,8 @@ uint16_t HAL_adc_get_result();
 
 #define PLATFORM_M997_SUPPORT
 void flashFirmware(const int16_t);
+
+// Maple Compatibility
+typedef void (*systickCallback_t)(void);
+void systick_attach_callback(systickCallback_t cb);
+void HAL_SYSTICK_Callback();

Marlin/src/HAL/STM32/HAL_SPI.cpp

@@ -132,11 +132,9 @@ static SPISettings spiConfig;
    * @details Only configures SS pin since stm32duino creates and initialize the SPI object
    */
   void spiBegin() {
-    #if !PIN_EXISTS(SS)
+    #if PIN_EXISTS(SS)
-      #error "SS_PIN not defined!"
+      OUT_WRITE(SS_PIN, HIGH);
     #endif
-
-    OUT_WRITE(SS_PIN, HIGH);
   }
 
   // Configure SPI for specified SPI speed
@@ -173,9 +171,7 @@ static SPISettings spiConfig;
    * @details
    */
   uint8_t spiRec() {
-    SPI.beginTransaction(spiConfig);
     uint8_t returnByte = SPI.transfer(0xFF);
-    SPI.endTransaction();
     return returnByte;
   }
 
@@ -191,9 +187,7 @@ static SPISettings spiConfig;
   void spiRead(uint8_t* buf, uint16_t nbyte) {
     if (nbyte == 0) return;
     memset(buf, 0xFF, nbyte);
-    SPI.beginTransaction(spiConfig);
     SPI.transfer(buf, nbyte);
-    SPI.endTransaction();
   }
 
   /**
@@ -204,9 +198,7 @@ static SPISettings spiConfig;
    * @details
    */
   void spiSend(uint8_t b) {
-    SPI.beginTransaction(spiConfig);
     SPI.transfer(b);
-    SPI.endTransaction();
   }
 
   /**
@@ -219,10 +211,8 @@ static SPISettings spiConfig;
    */
   void spiSendBlock(uint8_t token, const uint8_t* buf) {
     uint8_t rxBuf[512];
-    SPI.beginTransaction(spiConfig);
     SPI.transfer(token);
     SPI.transfer((uint8_t*)buf, &rxBuf, 512);
-    SPI.endTransaction();
   }
 
 #endif // SOFTWARE_SPI

Marlin/src/HAL/STM32/fastio.h

@@ -51,19 +51,19 @@ void FastIO_init(); // Must be called before using fast io macros
 
 #if defined(STM32F0xx) || defined(STM32F1xx) || defined(STM32F3xx) || defined(STM32L0xx) || defined(STM32L4xx)
   #define _WRITE(IO, V) do { \
-    if (V) FastIOPortMap[STM_PORT(digitalPin[IO])]->BSRR = _BV32(STM_PIN(digitalPin[IO])) ; \
+    if (V) FastIOPortMap[STM_PORT(digitalPinToPinName(IO))]->BSRR = _BV32(STM_PIN(digitalPinToPinName(IO))) ; \
-    else   FastIOPortMap[STM_PORT(digitalPin[IO])]->BRR  = _BV32(STM_PIN(digitalPin[IO])) ; \
+    else   FastIOPortMap[STM_PORT(digitalPinToPinName(IO))]->BRR  = _BV32(STM_PIN(digitalPinToPinName(IO))) ; \
   }while(0)
 #else
-  #define _WRITE(IO, V) (FastIOPortMap[STM_PORT(digitalPin[IO])]->BSRR = _BV32(STM_PIN(digitalPin[IO]) + ((V) ? 0 : 16)))
+  #define _WRITE(IO, V) (FastIOPortMap[STM_PORT(digitalPinToPinName(IO))]->BSRR = _BV32(STM_PIN(digitalPinToPinName(IO)) + ((V) ? 0 : 16)))
 #endif
 
-#define _READ(IO)               bool(READ_BIT(FastIOPortMap[STM_PORT(digitalPin[IO])]->IDR, _BV32(STM_PIN(digitalPin[IO]))))
+#define _READ(IO)               bool(READ_BIT(FastIOPortMap[STM_PORT(digitalPinToPinName(IO))]->IDR, _BV32(STM_PIN(digitalPinToPinName(IO)))))
-#define _TOGGLE(IO)             (FastIOPortMap[STM_PORT(digitalPin[IO])]->ODR ^= _BV32(STM_PIN(digitalPin[IO])))
+#define _TOGGLE(IO)             (FastIOPortMap[STM_PORT(digitalPinToPinName(IO))]->ODR ^= _BV32(STM_PIN(digitalPinToPinName(IO))))
 
 #define _GET_MODE(IO)
 #define _SET_MODE(IO,M)         pinMode(IO, M)
-#define _SET_OUTPUT(IO)         pinMode(IO, OUTPUT)                               /*!< Output Push Pull Mode & GPIO_NOPULL   */
+#define _SET_OUTPUT(IO)         pinMode(IO, OUTPUT)                               //!< Output Push Pull Mode & GPIO_NOPULL
 #define _SET_OUTPUT_OD(IO)      pinMode(IO, OUTPUT_OPEN_DRAIN)
 
 #define WRITE(IO,V)             _WRITE(IO,V)
@@ -73,9 +73,9 @@ void FastIO_init(); // Must be called before using fast io macros
 #define OUT_WRITE(IO,V)         do{ _SET_OUTPUT(IO); WRITE(IO,V); }while(0)
 #define OUT_WRITE_OD(IO,V)      do{ _SET_OUTPUT_OD(IO); WRITE(IO,V); }while(0)
 
-#define SET_INPUT(IO)           _SET_MODE(IO, INPUT)                              /*!< Input Floating Mode                   */
+#define SET_INPUT(IO)           _SET_MODE(IO, INPUT)                              //!< Input Floating Mode
-#define SET_INPUT_PULLUP(IO)    _SET_MODE(IO, INPUT_PULLUP)                       /*!< Input with Pull-up activation         */
+#define SET_INPUT_PULLUP(IO)    _SET_MODE(IO, INPUT_PULLUP)                       //!< Input with Pull-up activation
-#define SET_INPUT_PULLDOWN(IO)  _SET_MODE(IO, INPUT_PULLDOWN)                     /*!< Input with Pull-down activation       */
+#define SET_INPUT_PULLDOWN(IO)  _SET_MODE(IO, INPUT_PULLDOWN)                     //!< Input with Pull-down activation
 #define SET_OUTPUT(IO)          OUT_WRITE(IO, LOW)
 #define SET_PWM(IO)             _SET_MODE(IO, PWM)
 

Marlin/src/HAL/STM32/pinsDebug_STM32duino.h

@@ -51,8 +51,8 @@
  *  It contains:
  *    - name of the signal
  *    - the Ard_num assigned by the pins_YOUR_BOARD.h file using the platform defines.
- *        EXAMPLE:  "#define KILL_PIN  PB1" results in Ard_num of 57.  57 is then used as an
+ *        EXAMPLE:  "#define KILL_PIN  PB1" results in Ard_num of 57.  57 is then used as the
- *                  index into digitalPin[] to get the Port_pin number
+ *                  argument to digitalPinToPinName(IO) to get the Port_pin number
  *    - if it is a digital or analog signal.  PWMs are considered digital here.
  *
  *  pin_xref is a structure generated by this header file.  It is generated by the
@@ -68,8 +68,6 @@
  *          signal.  The Arduino pin number is listed by the M43 I command.
  */
 
-extern const PinName digitalPin[];  // provided by the platform
-
 ////////////////////////////////////////////////////////
 //
 // make a list of the Arduino pin numbers in the Port/Pin order
@@ -137,7 +135,7 @@ const XrefInfo pin_xref[] PROGMEM = {
 
 uint8_t get_pin_mode(const pin_t Ard_num) {
   uint32_t mode_all = 0;
-  const PinName dp = digitalPin[Ard_num];
+  const PinName dp = digitalPinToPinName(Ard_num);
   switch (PORT_ALPHA(dp)) {
     case 'A' : mode_all = GPIOA->MODER; break;
     case 'B' : mode_all = GPIOB->MODER; break;
@@ -218,7 +216,7 @@ bool pwm_status(const pin_t Ard_num) {
 void pwm_details(const pin_t Ard_num) {
   if (pwm_status(Ard_num)) {
     uint32_t alt_all = 0;
-    const PinName dp = digitalPin[Ard_num];
+    const PinName dp = digitalPinToPinName(Ard_num);
     pin_t pin_number = uint8_t(PIN_NUM(dp));
     const bool over_7 = pin_number >= 8;
     const uint8_t ind = over_7 ? 1 : 0;

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

@@ -38,7 +38,7 @@
 
 #define DATASIZE_8BIT    SPI_DATASIZE_8BIT
 #define DATASIZE_16BIT   SPI_DATASIZE_16BIT
-#define TFT_IO TFT_FSMC
+#define TFT_IO_DRIVER TFT_FSMC
 
 #ifdef STM32F1xx
   #define __IS_DMA_ENABLED(__HANDLE__)      ((__HANDLE__)->Instance->CCR & DMA_CCR_EN)

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

@@ -38,7 +38,7 @@
 
 #define DATASIZE_8BIT    SPI_DATASIZE_8BIT
 #define DATASIZE_16BIT   SPI_DATASIZE_16BIT
-#define TFT_IO TFT_SPI
+#define TFT_IO_DRIVER TFT_SPI
 
 class TFT_SPI {
 private:

Marlin/src/HAL/STM32/watchdog.cpp

@@ -30,7 +30,11 @@
   #include "watchdog.h"
   #include <IWatchdog.h>
 
-  void watchdog_init() { IWatchdog.begin(4000000); } // 4 sec timeout
+  void watchdog_init() {
+    #if DISABLED(DISABLE_WATCHDOG_INIT)
+      IWatchdog.begin(4000000); // 4 sec timeout
+    #endif
+  }
 
   void HAL_watchdog_refresh() {
     IWatchdog.reload();

Marlin/src/HAL/STM32F1/HAL.cpp

@@ -97,6 +97,9 @@ const uint8_t adc_pins[] = {
   #if HAS_TEMP_ADC_0
     TEMP_0_PIN,
   #endif
+  #if HAS_TEMP_ADC_PROBE
+    TEMP_PROBE_PIN,
+  #endif
   #if HAS_HEATED_BED
     TEMP_BED_PIN,
   #endif
@@ -151,6 +154,9 @@ enum TempPinIndex : char {
   #if HAS_TEMP_ADC_0
     TEMP_0,
   #endif
+  #if HAS_TEMP_ADC_PROBE
+    TEMP_PROBE,
+  #endif
   #if HAS_HEATED_BED
     TEMP_BED,
   #endif
@@ -341,6 +347,9 @@ void HAL_adc_start_conversion(const uint8_t adc_pin) {
     #if HAS_TEMP_ADC_0
       case TEMP_0_PIN: pin_index = TEMP_0; break;
     #endif
+    #if HAS_TEMP_ADC_PROBE
+      case TEMP_PROBE_PIN: pin_index = TEMP_PROBE; break;
+    #endif
     #if HAS_HEATED_BED
       case TEMP_BED_PIN: pin_index = TEMP_BED; break;
     #endif

Marlin/src/HAL/STM32F1/HAL.h

@@ -185,6 +185,8 @@ void HAL_clear_reset_source();
 // Reset reason
 uint8_t HAL_get_reset_source();
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 void _delay_ms(const int delay);
 
 #pragma GCC diagnostic push

Marlin/src/HAL/STM32F1/HAL_SPI.cpp

@@ -24,9 +24,6 @@
 /**
  * Software SPI functions originally from Arduino Sd2Card Library
  * Copyright (c) 2009 by William Greiman
- */
-
-/**
  * Adapted to the STM32F1 HAL
  */
 
@@ -113,7 +110,7 @@ void spiInit(uint8_t spiRate) {
  * @details
  */
 uint8_t spiRec() {
-  uint8_t returnByte = SPI.transfer(ff);
+  uint8_t returnByte = SPI.transfer(0xFF);
   return returnByte;
 }
 
@@ -157,7 +154,7 @@ void spiSendBlock(uint8_t token, const uint8_t* buf) {
 #if ENABLED(SPI_EEPROM)
 
 // Read single byte from specified SPI channel
-uint8_t spiRec(uint32_t chan) { return SPI.transfer(ff); }
+uint8_t spiRec(uint32_t chan) { return SPI.transfer(0xFF); }
 
 // Write single byte to specified SPI channel
 void spiSend(uint32_t chan, byte b) { SPI.send(b); }

Marlin/src/HAL/STM32F1/dogm/u8g_com_stm32duino_swspi.cpp

@@ -22,7 +22,6 @@
 
 #if BOTH(HAS_MARLINUI_U8GLIB, FORCE_SOFT_SPI)
 
-#include "../HAL.h"
 #include <U8glib.h>
 
 #undef SPI_SPEED
@@ -161,5 +160,5 @@ uint8_t u8g_com_HAL_STM32F1_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val,
   return 1;
 }
 
-#endif // HAS_MARLINUI_U8GLIB
+#endif // HAS_MARLINUI_U8GLIB && FORCE_SOFT_SPI
 #endif // STM32F1

Marlin/src/HAL/STM32F1/eeprom_bl24cxx.cpp

@@ -25,6 +25,8 @@
  * with simple implementations supplied by Marlin.
  */
 
+#ifdef __STM32F1__
+
 #include "../../inc/MarlinConfig.h"
 
 #if ENABLED(IIC_BL24CXX_EEPROM)
@@ -79,3 +81,4 @@ bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t
 }
 
 #endif // IIC_BL24CXX_EEPROM
+#endif // __STM32F1__

Marlin/src/HAL/STM32F1/eeprom_if_iic.cpp

@@ -25,6 +25,8 @@
  * Enable USE_SHARED_EEPROM if not supplied by the framework.
  */
 
+#ifdef __STM32F1__
+
 #include "../../inc/MarlinConfig.h"
 
 #if ENABLED(IIC_BL24CXX_EEPROM)
@@ -49,3 +51,4 @@ uint8_t eeprom_read_byte(uint8_t *pos) {
 }
 
 #endif // IIC_BL24CXX_EEPROM
+#endif // __STM32F1__

Marlin/src/HAL/STM32F1/eeprom_wired.cpp

@@ -17,17 +17,17 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * HAL PersistentStore for STM32F1
+ */
+
 #ifdef __STM32F1__
 
 #include "../../inc/MarlinConfig.h"
 
 #if USE_WIRED_EEPROM
 
-/**
- * PersistentStore for Arduino-style EEPROM interface
- * with simple implementations supplied by Marlin.
- */
-
 #include "../shared/eeprom_if.h"
 #include "../shared/eeprom_api.h"
 

Marlin/src/HAL/STM32F1/inc/Conditionals_LCD.h

@@ -25,10 +25,3 @@
   //#warning "SD_CHECK_AND_RETRY isn't needed with USE_USB_COMPOSITE."
   #undef SD_CHECK_AND_RETRY
 #endif
-
-// This emulated DOGM has 'touch/xpt2046', not 'tft/xpt2046'
-#if ENABLED(TOUCH_SCREEN) && !HAS_GRAPHICAL_TFT
-  #undef TOUCH_SCREEN
-  #undef TOUCH_SCREEN_CALIBRATION
-  #define HAS_TOUCH_XPT2046 1
-#endif

Marlin/src/HAL/STM32F1/msc_sd.cpp

@@ -13,7 +13,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
-#ifdef USE_USB_COMPOSITE
+#if defined(__STM32F1__) && defined(USE_USB_COMPOSITE)
 
 #include "msc_sd.h"
 #include "SPI.h"
@@ -77,4 +77,4 @@ void MSC_SD_init() {
   #endif
 }
 
-#endif // USE_USB_COMPOSITE
+#endif // __STM32F1__ && USE_USB_COMPOSITE

Marlin/src/HAL/STM32F1/onboard_sd.cpp

@@ -11,6 +11,8 @@
  * Redistributions of source code must retain the above copyright notice.
  */
 
+#ifdef __STM32F1__
+
 #include "../../inc/MarlinConfig.h"
 
 #if SD_CONNECTION_IS(ONBOARD)
@@ -553,3 +555,4 @@ DRESULT disk_read (
 #endif // _DISKIO_IOCTL
 
 #endif // SD_CONNECTION_IS(ONBOARD)
+#endif // __STM32F1__

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

@@ -89,25 +89,12 @@ void TFT_FSMC::Init() {
   uint8_t cs = FSMC_CS_PIN, rs = FSMC_RS_PIN;
   uint32_t controllerAddress;
 
-  #if PIN_EXISTS(TFT_BACKLIGHT)
-    OUT_WRITE(TFT_BACKLIGHT_PIN, DISABLED(DELAYED_BACKLIGHT_INIT));
-  #endif
-
   #if ENABLED(LCD_USE_DMA_FSMC)
     dma_init(FSMC_DMA_DEV);
     dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
     dma_set_priority(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, DMA_PRIORITY_MEDIUM);
   #endif
 
-  #if PIN_EXISTS(TFT_RESET)
-    OUT_WRITE(TFT_RESET_PIN, HIGH);
-    delay(100);
-  #endif
-
-  #if PIN_EXISTS(TFT_BACKLIGHT)
-    OUT_WRITE(TFT_BACKLIGHT_PIN, HIGH);
-  #endif
-
   struct fsmc_nor_psram_reg_map* fsmcPsramRegion;
 
   if (fsmcInit) return;

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

@@ -32,7 +32,7 @@
 
 #define DATASIZE_8BIT    DMA_SIZE_8BITS
 #define DATASIZE_16BIT   DMA_SIZE_16BITS
-#define TFT_IO TFT_FSMC
+#define TFT_IO_DRIVER TFT_FSMC
 
 typedef struct {
   __IO uint16_t REG;

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

@@ -34,7 +34,7 @@
 
 #define DATASIZE_8BIT    DATA_SIZE_8BIT
 #define DATASIZE_16BIT   DATA_SIZE_16BIT
-#define TFT_IO TFT_SPI
+#define TFT_IO_DRIVER TFT_SPI
 
 #define DMA_MINC_ENABLE 1
 #define DMA_MINC_DISABLE 0

Marlin/src/HAL/STM32F1/watchdog.cpp

@@ -52,7 +52,9 @@ void watchdogSetup() {
  * @details The watchdog clock is 40Khz. We need a 4 seconds interval, so use a /256 preescaler and 625 reload value (counts down to 0)
  */
 void watchdog_init() {
-  //iwdg_init(IWDG_PRE_256, STM32F1_WD_RELOAD);
+  #if DISABLED(DISABLE_WATCHDOG_INIT)
+    iwdg_init(IWDG_PRE_256, STM32F1_WD_RELOAD);
+  #endif
 }
 
 #endif // USE_WATCHDOG

Marlin/src/HAL/STM32_F4_F7/HAL.h

@@ -142,6 +142,8 @@ void HAL_clear_reset_source();
 // Reset reason
 uint8_t HAL_get_reset_source();
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 void _delay_ms(const int delay);
 
 /*

Marlin/src/HAL/STM32_F4_F7/STM32F7/TMC2660.cpp

@@ -45,8 +45,8 @@
 #define DEFAULT_MICROSTEPPING_VALUE 32
 
 //TMC26X register definitions
-#define DRIVER_CONTROL_REGISTER 0x0ul
+#define DRIVER_CONTROL_REGISTER 0x0UL
-#define CHOPPER_CONFIG_REGISTER 0x80000ul
+#define CHOPPER_CONFIG_REGISTER 0x80000UL
 #define COOL_STEP_REGISTER  0xA0000ul
 #define STALL_GUARD2_LOAD_MEASURE_REGISTER 0xC0000ul
 #define DRIVER_CONFIG_REGISTER 0xE0000ul
@@ -55,58 +55,58 @@
 
 //definitions for the driver control register
 #define MICROSTEPPING_PATTERN 0xFul
-#define STEP_INTERPOLATION 0x200ul
+#define STEP_INTERPOLATION 0x200UL
-#define DOUBLE_EDGE_STEP 0x100ul
+#define DOUBLE_EDGE_STEP 0x100UL
-#define VSENSE 0x40ul
+#define VSENSE 0x40UL
-#define READ_MICROSTEP_POSTION 0x0ul
+#define READ_MICROSTEP_POSTION 0x0UL
-#define READ_STALL_GUARD_READING 0x10ul
+#define READ_STALL_GUARD_READING 0x10UL
-#define READ_STALL_GUARD_AND_COOL_STEP 0x20ul
+#define READ_STALL_GUARD_AND_COOL_STEP 0x20UL
-#define READ_SELECTION_PATTERN 0x30ul
+#define READ_SELECTION_PATTERN 0x30UL
 
 //definitions for the chopper config register
-#define CHOPPER_MODE_STANDARD 0x0ul
+#define CHOPPER_MODE_STANDARD 0x0UL
-#define CHOPPER_MODE_T_OFF_FAST_DECAY 0x4000ul
+#define CHOPPER_MODE_T_OFF_FAST_DECAY 0x4000UL
 #define T_OFF_PATTERN 0xFul
-#define RANDOM_TOFF_TIME 0x2000ul
+#define RANDOM_TOFF_TIME 0x2000UL
-#define BLANK_TIMING_PATTERN 0x18000ul
+#define BLANK_TIMING_PATTERN 0x18000UL
 #define BLANK_TIMING_SHIFT 15
-#define HYSTERESIS_DECREMENT_PATTERN 0x1800ul
+#define HYSTERESIS_DECREMENT_PATTERN 0x1800UL
 #define HYSTERESIS_DECREMENT_SHIFT 11
-#define HYSTERESIS_LOW_VALUE_PATTERN 0x780ul
+#define HYSTERESIS_LOW_VALUE_PATTERN 0x780UL
 #define HYSTERESIS_LOW_SHIFT 7
-#define HYSTERESIS_START_VALUE_PATTERN 0x78ul
+#define HYSTERESIS_START_VALUE_PATTERN 0x78UL
 #define HYSTERESIS_START_VALUE_SHIFT 4
 #define T_OFF_TIMING_PATERN 0xFul
 
 //definitions for cool step register
-#define MINIMUM_CURRENT_FOURTH 0x8000ul
+#define MINIMUM_CURRENT_FOURTH 0x8000UL
-#define CURRENT_DOWN_STEP_SPEED_PATTERN 0x6000ul
+#define CURRENT_DOWN_STEP_SPEED_PATTERN 0x6000UL
 #define SE_MAX_PATTERN 0xF00ul
-#define SE_CURRENT_STEP_WIDTH_PATTERN 0x60ul
+#define SE_CURRENT_STEP_WIDTH_PATTERN 0x60UL
 #define SE_MIN_PATTERN 0xFul
 
 //definitions for StallGuard2 current register
-#define STALL_GUARD_FILTER_ENABLED 0x10000ul
+#define STALL_GUARD_FILTER_ENABLED 0x10000UL
 #define STALL_GUARD_TRESHHOLD_VALUE_PATTERN 0x17F00ul
 #define CURRENT_SCALING_PATTERN 0x1Ful
 #define STALL_GUARD_CONFIG_PATTERN 0x17F00ul
 #define STALL_GUARD_VALUE_PATTERN 0x7F00ul
 
 //definitions for the input from the TMC2660
-#define STATUS_STALL_GUARD_STATUS 0x1ul
+#define STATUS_STALL_GUARD_STATUS 0x1UL
-#define STATUS_OVER_TEMPERATURE_SHUTDOWN 0x2ul
+#define STATUS_OVER_TEMPERATURE_SHUTDOWN 0x2UL
-#define STATUS_OVER_TEMPERATURE_WARNING 0x4ul
+#define STATUS_OVER_TEMPERATURE_WARNING 0x4UL
-#define STATUS_SHORT_TO_GROUND_A 0x8ul
+#define STATUS_SHORT_TO_GROUND_A 0x8UL
-#define STATUS_SHORT_TO_GROUND_B 0x10ul
+#define STATUS_SHORT_TO_GROUND_B 0x10UL
-#define STATUS_OPEN_LOAD_A 0x20ul
+#define STATUS_OPEN_LOAD_A 0x20UL
-#define STATUS_OPEN_LOAD_B 0x40ul
+#define STATUS_OPEN_LOAD_B 0x40UL
-#define STATUS_STAND_STILL 0x80ul
+#define STATUS_STAND_STILL 0x80UL
 #define READOUT_VALUE_PATTERN 0xFFC00ul
 
 #define CPU_32_BIT
 
 //default values
-#define INITIAL_MICROSTEPPING 0x3ul //32th microstepping
+#define INITIAL_MICROSTEPPING 0x3UL //32th microstepping
 
 SPIClass SPI_6(SPI6, SPI6_MOSI_PIN, SPI6_MISO_PIN, SPI6_SCK_PIN);
 

Marlin/src/HAL/TEENSY31_32/HAL.cpp

@@ -20,9 +20,8 @@
  *
  */
 
-
 /**
- * Description: HAL for Teensy32 (MK20DX256)
+ * HAL for Teensy 3.2 (MK20DX256)
  */
 
 #ifdef __MK20DX256__

Marlin/src/HAL/TEENSY31_32/HAL.h

@@ -22,7 +22,7 @@
 #pragma once
 
 /**
- * Description: HAL for Teensy 3.5 and Teensy 3.6
+ * HAL for Teensy 3.2 (MK20DX256)
  */
 
 #define CPU_32_BIT
@@ -44,8 +44,9 @@
 //#undef MOTHERBOARD
 //#define MOTHERBOARD BOARD_TEENSY31_32
 
-#ifdef __MK20DX256__
+#define IS_32BIT_TEENSY 1
-  #define IS_32BIT_TEENSY 1
+#define IS_TEENSY_31_32 1
+#ifndef IS_TEENSY31
   #define IS_TEENSY32 1
 #endif
 
@@ -64,7 +65,7 @@
 typedef int8_t pin_t;
 
 #ifndef analogInputToDigitalPin
-  #define analogInputToDigitalPin(p) ((p < 12u) ? (p) + 54u : -1)
+  #define analogInputToDigitalPin(p) ((p < 12U) ? (p) + 54U : -1)
 #endif
 
 #define CRITICAL_SECTION_START()  uint32_t primask = __get_PRIMASK(); __disable_irq()
@@ -92,6 +93,8 @@ void HAL_clear_reset_source();
 // Get the reason for the reset
 uint8_t HAL_get_reset_source();
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 FORCE_INLINE void _delay_ms(const int delay_ms) { delay(delay_ms); }
 
 #pragma GCC diagnostic push

Marlin/src/HAL/TEENSY31_32/Servo.cpp

@@ -51,5 +51,4 @@ void libServo::move(const int value) {
 }
 
 #endif // HAS_SERVOS
-
 #endif // __MK20DX256__

Marlin/src/HAL/TEENSY31_32/eeprom.cpp

@@ -23,8 +23,7 @@
 #if USE_WIRED_EEPROM
 
 /**
- * PersistentStore for Arduino-style EEPROM interface
+ * HAL PersistentStore for Teensy 3.2 (MK20DX256)
- * with implementations supplied by the framework.
  */
 
 #include "../shared/eeprom_api.h"

Marlin/src/HAL/TEENSY31_32/timers.cpp

@@ -21,7 +21,7 @@
  */
 
 /**
- * Teensy3.2 __MK20DX256__
+ * HAL Timers for Teensy 3.2 (MK20DX256)
  */
 
 #ifdef __MK20DX256__

Marlin/src/HAL/TEENSY31_32/timers.h

@@ -22,8 +22,7 @@
 #pragma once
 
 /**
- * Description: HAL for
+ * HAL Timers for Teensy 3.2 (MK20DX256)
- * Teensy3.2 (__MK20DX256__)
  */
 
 #include <stdint.h>

Marlin/src/HAL/TEENSY35_36/HAL.cpp

@@ -21,7 +21,7 @@
  */
 
 /**
- * Description: HAL for Teensy35 (MK64FX512)
+ * HAL for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
  */
 
 #if defined(__MK64FX512__) || defined(__MK66FX1M0__)

Marlin/src/HAL/TEENSY35_36/HAL.h

@@ -22,7 +22,7 @@
 #pragma once
 
 /**
- * Description: HAL for Teensy 3.5 and Teensy 3.6
+ * HAL for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
  */
 
 #define CPU_32_BIT
@@ -45,13 +45,12 @@
 // Defines
 // ------------------------
 
-#ifdef __MK64FX512__
+#define IS_32BIT_TEENSY 1
-  #define IS_32BIT_TEENSY 1
+#define IS_TEENSY_35_36 1
-  #define IS_TEENSY35 1
-#endif
 #ifdef __MK66FX1M0__
-  #define IS_32BIT_TEENSY 1
   #define IS_TEENSY36 1
+#else // __MK64FX512__
+  #define IS_TEENSY35 1
 #endif
 
 #define _MSERIAL(X) Serial##X
@@ -69,7 +68,7 @@
 typedef int8_t pin_t;
 
 #ifndef analogInputToDigitalPin
-  #define analogInputToDigitalPin(p) ((p < 12u) ? (p) + 54u : -1)
+  #define analogInputToDigitalPin(p) ((p < 12U) ? (p) + 54U : -1)
 #endif
 
 #define CRITICAL_SECTION_START()  uint32_t primask = __get_primask(); __disable_irq()
@@ -100,6 +99,8 @@ void HAL_clear_reset_source();
 // Reset reason
 uint8_t HAL_get_reset_source();
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 FORCE_INLINE void _delay_ms(const int delay_ms) { delay(delay_ms); }
 
 #pragma GCC diagnostic push

Marlin/src/HAL/TEENSY35_36/HAL_SPI.cpp

@@ -19,6 +19,11 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * HAL SPI for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
+ */
+
 #if defined(__MK64FX512__) || defined(__MK66FX1M0__)
 
 #include "HAL.h"

Marlin/src/HAL/TEENSY35_36/Servo.cpp

@@ -19,6 +19,11 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * HAL Servo for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
+ */
+
 #if defined(__MK64FX512__) || defined(__MK66FX1M0__)
 
 #include "../../inc/MarlinConfig.h"
@@ -51,5 +56,4 @@ void libServo::move(const int value) {
 }
 
 #endif // HAS_SERVOS
-
 #endif // __MK64FX512__ || __MK66FX1M0__

Marlin/src/HAL/TEENSY35_36/Servo.h

@@ -21,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * HAL Servo for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
+ */
+
 #include <Servo.h>
 
 // Inherit and expand on core Servo library

Marlin/src/HAL/TEENSY35_36/eeprom.cpp

@@ -22,15 +22,14 @@
  */
 #if defined(__MK64FX512__) || defined(__MK66FX1M0__)
 
+/**
+ * HAL PersistentStore for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
+ */
+
 #include "../../inc/MarlinConfig.h"
 
 #if USE_WIRED_EEPROM
 
-/**
- * PersistentStore for Arduino-style EEPROM interface
- * with implementations supplied by the framework.
- */
-
 #include "../shared/eeprom_api.h"
 #include <avr/eeprom.h>
 

Marlin/src/HAL/TEENSY35_36/endstop_interrupts.h

@@ -22,7 +22,7 @@
 #pragma once
 
 /**
- * Endstop Interrupts
+ * HAL Endstop Interrupts for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
  *
  * Without endstop interrupts the endstop pins must be polled continually in
  * the temperature-ISR via endstops.update(), most of the time finding no change.

Marlin/src/HAL/TEENSY35_36/pinsDebug.h

@@ -18,6 +18,10 @@
  */
 #pragma once
 
+/**
+ * HAL Pins Debugging for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
+ */
+
 #define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS
 #define MULTI_NAME_PAD 16 // space needed to be pretty if not first name assigned to a pin
 

Marlin/src/HAL/TEENSY35_36/spi_pins.h

@@ -21,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * HAL SPI Pins for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
+ */
+
 #define SCK_PIN   13
 #define MISO_PIN  12
 #define MOSI_PIN  11

Marlin/src/HAL/TEENSY35_36/timers.cpp

@@ -21,8 +21,7 @@
  */
 
 /**
- * Teensy3.5 __MK64FX512__
+ * HAL Timers for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
- * Teensy3.6 __MK66FX1M0__
  */
 
 #if defined(__MK64FX512__) || defined(__MK66FX1M0__)

Marlin/src/HAL/TEENSY35_36/timers.h

@@ -21,9 +21,7 @@
 #pragma once
 
 /**
- * Description: HAL for
+ * HAL Timers for Teensy 3.5 (MK64FX512) and Teensy 3.6 (MK66FX1M0)
- * Teensy3.5 (__MK64FX512__)
- * Teensy3.6 (__MK66FX1M0__)
  */
 
 #include <stdint.h>

Marlin/src/HAL/TEENSY40_41/HAL.cpp

@@ -21,7 +21,7 @@
  */
 
 /**
- * Description: HAL for Teensy40 (IMXRT1062)
+ * HAL for Teensy 4.0 / 4.1 (IMXRT1062)
  */
 
 #ifdef __IMXRT1062__

Marlin/src/HAL/TEENSY40_41/HAL.h

@@ -22,7 +22,7 @@
 #pragma once
 
 /**
- * Description: HAL for Teensy 4.0 and Teensy 4.1
+ * HAL for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
  */
 
 #define CPU_32_BIT
@@ -45,8 +45,9 @@
 // Defines
 // ------------------------
 
-#ifdef __IMXRT1062__
+#define IS_32BIT_TEENSY 1
-  #define IS_32BIT_TEENSY 1
+#define IS_TEENSY_40_41 1
+#ifndef IS_TEENSY40
   #define IS_TEENSY41 1
 #endif
 
@@ -77,7 +78,7 @@
 typedef int8_t pin_t;
 
 #ifndef analogInputToDigitalPin
-  #define analogInputToDigitalPin(p) ((p < 12u) ? (p) + 54u : -1)
+  #define analogInputToDigitalPin(p) ((p < 12U) ? (p) + 54U : -1)
 #endif
 
 #define CRITICAL_SECTION_START()  uint32_t primask = __get_primask(); __disable_irq()

Marlin/src/HAL/TEENSY40_41/HAL_SPI.cpp

@@ -19,6 +19,11 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * HAL SPI for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
+ */
+
 #ifdef __IMXRT1062__
 
 #include "HAL.h"

Marlin/src/HAL/TEENSY40_41/Servo.cpp

@@ -19,6 +19,11 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * HAL Servo for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
+ */
+
 #ifdef __IMXRT1062__
 
 #include "../../inc/MarlinConfig.h"
@@ -53,5 +58,4 @@ void libServo::detach() {
 }
 
 #endif // HAS_SERVOS
-
 #endif // __IMXRT1062__

Marlin/src/HAL/TEENSY40_41/Servo.h

@@ -21,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * HAL Servo for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
+ */
+
 #include <PWMServo.h>
 
 // Inherit and expand on core Servo library

Marlin/src/HAL/TEENSY40_41/eeprom.cpp

@@ -27,8 +27,7 @@
 #if USE_WIRED_EEPROM
 
 /**
- * PersistentStore for Arduino-style EEPROM interface
+ * HAL PersistentStore for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
- * with implementations supplied by the framework.
  */
 
 #include "../shared/eeprom_api.h"

Marlin/src/HAL/TEENSY40_41/endstop_interrupts.h

@@ -22,7 +22,7 @@
 #pragma once
 
 /**
- * Endstop Interrupts
+ * HAL Endstop Interrupts for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
  *
  * Without endstop interrupts the endstop pins must be polled continually in
  * the temperature-ISR via endstops.update(), most of the time finding no change.

Marlin/src/HAL/TEENSY40_41/fastio.h

@@ -23,7 +23,7 @@
 #pragma once
 
 /**
- * Fast I/O interfaces for Teensy 4
+ * Fast I/O interfaces for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
  * These use GPIO functions instead of Direct Port Manipulation, as on AVR.
  */
 

Marlin/src/HAL/TEENSY40_41/pinsDebug.h

@@ -18,6 +18,10 @@
  */
 #pragma once
 
+/**
+ * HAL Pins Debugging for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
+ */
+
 #warning "PINS_DEBUGGING is not fully supported for Teensy 4.0 / 4.1 so 'M43' may cause hangs."
 
 #define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS

Marlin/src/HAL/TEENSY40_41/spi_pins.h

@@ -21,6 +21,10 @@
  */
 #pragma once
 
+/**
+ * HAL SPI Pins for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
+ */
+
 #define SCK_PIN   13
 #define MISO_PIN  12
 #define MOSI_PIN  11

Marlin/src/HAL/TEENSY40_41/timers.cpp

@@ -21,7 +21,7 @@
  */
 
 /**
- * Teensy4.0/4.1 (__IMXRT1062__)
+ * HAL Timers for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
  */
 
 #ifdef __IMXRT1062__

Marlin/src/HAL/TEENSY40_41/timers.h

@@ -21,8 +21,7 @@
 #pragma once
 
 /**
- * Description: HAL for
+ * HAL Timers for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
- * Teensy4.0/4.1 (__IMXRT1062__)
  */
 
 #include <stdint.h>

Marlin/src/HAL/TEENSY40_41/watchdog.cpp

@@ -19,6 +19,11 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * HAL Watchdog for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
+ */
+
 #ifdef __IMXRT1062__
 
 #include "../../inc/MarlinConfig.h"
@@ -48,5 +53,4 @@ void HAL_watchdog_refresh() {
 }
 
 #endif // USE_WATCHDOG
-
 #endif // __IMXRT1062__

Marlin/src/HAL/TEENSY40_41/watchdog.h

@@ -22,7 +22,7 @@
 #pragma once
 
 /**
- * Watchdog for Teensy4.0/4.1 (__IMXRT1062__)
+ * HAL Watchdog for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A)
  */
 
 void watchdog_init();

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

@@ -85,7 +85,7 @@
   #define START_FLASH_ADDR  0x08000000
   #define END_FLASH_ADDR    0x08100000
 
-#elif MB(REMRAM_V1)
+#elif MB(REMRAM_V1, NUCLEO_F767ZI)
 
   // For STM32F765VI in RemRam v1
   //  SRAM  (0x20000000 - 0x20080000) (512kb)

Marlin/src/MarlinCore.cpp

@@ -97,7 +97,7 @@
   #include "feature/closedloop.h"
 #endif
 
-#if HAS_I2C_DIGIPOT
+#if HAS_MOTOR_CURRENT_I2C
   #include "feature/digipot/digipot.h"
 #endif
 
@@ -125,7 +125,7 @@
   #include "module/servo.h"
 #endif
 
-#if ENABLED(DAC_STEPPER_CURRENT)
+#if ENABLED(HAS_MOTOR_CURRENT_DAC)
   #include "feature/dac/stepper_dac.h"
 #endif
 
@@ -1048,6 +1048,11 @@ void setup() {
   SERIAL_ECHO_MSG("Compiled: " __DATE__);
   SERIAL_ECHO_MSG(STR_FREE_MEMORY, freeMemory(), STR_PLANNER_BUFFER_BYTES, (int)sizeof(block_t) * (BLOCK_BUFFER_SIZE));
 
+  // Init buzzer pin(s)
+  #if USE_BEEPER
+    SETUP_RUN(buzzer.init());
+  #endif
+
   // Set up LEDs early
   #if HAS_COLOR_LEDS
     SETUP_RUN(leds.setup());
@@ -1132,12 +1137,12 @@ void setup() {
     SETUP_RUN(enableStepperDrivers());
   #endif
 
-  #if HAS_I2C_DIGIPOT
+  #if HAS_MOTOR_CURRENT_I2C
-    SETUP_RUN(digipot_i2c_init());
+    SETUP_RUN(digipot_i2c.init());
   #endif
 
-  #if ENABLED(DAC_STEPPER_CURRENT)
+  #if ENABLED(HAS_MOTOR_CURRENT_DAC)
-    SETUP_RUN(dac_init());
+    SETUP_RUN(stepper_dac.init());
   #endif
 
   #if EITHER(Z_PROBE_SLED, SOLENOID_PROBE) && HAS_SOLENOID_1

Marlin/src/core/boards.h

@@ -320,6 +320,7 @@
 #define BOARD_CREALITY_V4             4034  // Creality v4.x (STM32F103RE)
 #define BOARD_CREALITY_V427           4035  // Creality v4.2.7 (STM32F103RE)
 #define BOARD_TRIGORILLA_PRO          4036  // Trigorilla Pro (STM32F103ZET6)
+#define BOARD_FLY_MINI                4037  // FLY MINI (STM32F103RCT6)
 
 //
 // ARM Cortex-M4F
@@ -362,6 +363,7 @@
 #define BOARD_REMRAM_V1               5001  // RemRam v1
 #define BOARD_TEENSY41                5002  // Teensy 4.1
 #define BOARD_T41U5XBB                5003  // T41U5XBB Teensy 4.1 breakout board
+#define BOARD_NUCLEO_F767ZI           5004  // ST NUCLEO-F767ZI Dev Board
 
 //
 // Espressif ESP32 WiFi

Marlin/src/core/language.h

@@ -303,7 +303,7 @@
 #define LCD_STR_C STR_C
 #define LCD_STR_E STR_E
 
-#if HAS_MARLINUI_HD44780
+#if EITHER(HAS_MARLINUI_HD44780, IS_TFTGLCD_PANEL)
 
   // Custom characters defined in the first 8 characters of the LCD
   #define LCD_STR_BEDTEMP     "\x00" // Print only as a char. This will have 'unexpected' results when used in a string!

Marlin/src/core/macros.h

@@ -215,6 +215,7 @@
 #define WITHIN(N,L,H)       ((N) >= (L) && (N) <= (H))
 #define NUMERIC(a)          WITHIN(a, '0', '9')
 #define DECIMAL(a)          (NUMERIC(a) || a == '.')
+#define HEXCHR(a)           (NUMERIC(a) ? (a) - '0' : WITHIN(a, 'a', 'f') ? ((a) - 'a' + 10)  : WITHIN(a, 'A', 'F') ? ((a) - 'A' + 10) : -1)
 #define NUMERIC_SIGNED(a)   (NUMERIC(a) || (a) == '-' || (a) == '+')
 #define DECIMAL_SIGNED(a)   (DECIMAL(a) || (a) == '-' || (a) == '+')
 #define COUNT(a)            (sizeof(a)/sizeof(*a))
@@ -451,6 +452,12 @@
 #define HAS_ARGS(V...) _BOOL(FIRST(_END_OF_ARGUMENTS_ V)())
 #define _END_OF_ARGUMENTS_() 0
 
+
+// Simple Inline IF Macros, friendly to use in other macro definitions
+#define IF(O, A, B) ((O) ? (A) : (B))
+#define IF_0(O, A) IF(O, A, 0)
+#define IF_1(O, A) IF(O, A, 1)
+
 //
 // REPEAT core macros. Recurse N times with ascending I.
 //

Marlin/src/core/utility.h

@@ -71,7 +71,7 @@ public:
   inline void restore() { ref_ = val_; }
 };
 
-#define REMEMBER(N,X,V...) restorer<typeof(X)> restorer_##N(X, ##V)
+#define REMEMBER(N,X,V...) restorer<__typeof__(X)> restorer_##N(X, ##V)
 #define RESTORE(N) restorer_##N.restore()
 
 // Converts from an uint8_t in the range of 0-255 to an uint8_t

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

@@ -1009,6 +1009,8 @@
 
         lcd_mesh_edit_setup(new_z);
 
+        SET_SOFT_ENDSTOP_LOOSE(true);
+
         do {
           idle();
           new_z = lcd_mesh_edit();
@@ -1016,6 +1018,8 @@
           SERIAL_FLUSH();                                   // Prevent host M105 buffer overrun.
         } while (!ui.button_pressed());
 
+        SET_SOFT_ENDSTOP_LOOSE(false);
+
         if (!lcd_map_control) ui.return_to_status();        // Just editing a single point? Return to status
 
         if (click_and_hold(abort_fine_tune)) break;         // Button held down? Abort editing

Marlin/src/feature/dac/dac_mcp4728.cpp

@@ -32,16 +32,18 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if ENABLED(DAC_STEPPER_CURRENT)
+#if ENABLED(HAS_MOTOR_CURRENT_DAC)
 
 #include "dac_mcp4728.h"
 
-xyze_uint_t mcp4728_values;
+MCP4728 mcp4728;
+
+xyze_uint_t dac_values;
 
 /**
  * Begin I2C, get current values (input register and eeprom) of mcp4728
  */
-void mcp4728_init() {
+void MCP4728::init() {
   Wire.begin();
   Wire.requestFrom(I2C_ADDRESS(DAC_DEV_ADDRESS), uint8_t(24));
   while (Wire.available()) {
@@ -50,7 +52,7 @@ void mcp4728_init() {
          loByte = Wire.read();
 
     if (!(deviceID & 0x08))
-      mcp4728_values[(deviceID & 0x30) >> 4] = word((hiByte & 0x0F), loByte);
+      dac_values[(deviceID & 0x30) >> 4] = word((hiByte & 0x0F), loByte);
   }
 }
 
@@ -58,9 +60,9 @@ void mcp4728_init() {
  * Write input resister value to specified channel using fastwrite method.
  * Channel : 0-3, Values : 0-4095
  */
-uint8_t mcp4728_analogWrite(const uint8_t channel, const uint16_t value) {
+uint8_t MCP4728::analogWrite(const uint8_t channel, const uint16_t value) {
-  mcp4728_values[channel] = value;
+  dac_values[channel] = value;
-  return mcp4728_fastWrite();
+  return fastWrite();
 }
 
 /**
@@ -68,12 +70,12 @@ uint8_t mcp4728_analogWrite(const uint8_t channel, const uint16_t value) {
  * This will update both input register and EEPROM value
  * This will also write current Vref, PowerDown, Gain settings to EEPROM
  */
-uint8_t mcp4728_eepromWrite() {
+uint8_t MCP4728::eepromWrite() {
   Wire.beginTransmission(I2C_ADDRESS(DAC_DEV_ADDRESS));
   Wire.write(SEQWRITE);
   LOOP_XYZE(i) {
-    Wire.write(DAC_STEPPER_VREF << 7 | DAC_STEPPER_GAIN << 4 | highByte(mcp4728_values[i]));
+    Wire.write(DAC_STEPPER_VREF << 7 | DAC_STEPPER_GAIN << 4 | highByte(dac_values[i]));
-    Wire.write(lowByte(mcp4728_values[i]));
+    Wire.write(lowByte(dac_values[i]));
   }
   return Wire.endTransmission();
 }
@@ -81,7 +83,7 @@ uint8_t mcp4728_eepromWrite() {
 /**
  * Write Voltage reference setting to all input regiters
  */
-uint8_t mcp4728_setVref_all(const uint8_t value) {
+uint8_t MCP4728::setVref_all(const uint8_t value) {
   Wire.beginTransmission(I2C_ADDRESS(DAC_DEV_ADDRESS));
   Wire.write(VREFWRITE | (value ? 0x0F : 0x00));
   return Wire.endTransmission();
@@ -89,7 +91,7 @@ uint8_t mcp4728_setVref_all(const uint8_t value) {
 /**
  * Write Gain setting to all input regiters
  */
-uint8_t mcp4728_setGain_all(const uint8_t value) {
+uint8_t MCP4728::setGain_all(const uint8_t value) {
   Wire.beginTransmission(I2C_ADDRESS(DAC_DEV_ADDRESS));
   Wire.write(GAINWRITE | (value ? 0x0F : 0x00));
   return Wire.endTransmission();
@@ -98,16 +100,16 @@ uint8_t mcp4728_setGain_all(const uint8_t value) {
 /**
  * Return Input Register value
  */
-uint16_t mcp4728_getValue(const uint8_t channel) { return mcp4728_values[channel]; }
+uint16_t MCP4728::getValue(const uint8_t channel) { return dac_values[channel]; }
 
 #if 0
 /**
  * Steph: Might be useful in the future
  * Return Vout
  */
-uint16_t mcp4728_getVout(const uint8_t channel) {
+uint16_t MCP4728::getVout(const uint8_t channel) {
   const uint32_t vref = 2048,
-                 vOut = (vref * mcp4728_values[channel] * (_DAC_STEPPER_GAIN + 1)) / 4096;
+                 vOut = (vref * dac_values[channel] * (_DAC_STEPPER_GAIN + 1)) / 4096;
   return _MIN(vOut, defaultVDD);
 }
 #endif
@@ -115,15 +117,15 @@ uint16_t mcp4728_getVout(const uint8_t channel) {
 /**
  * Returns DAC values as a 0-100 percentage of drive strength
  */
-uint8_t mcp4728_getDrvPct(const uint8_t channel) { return uint8_t(100.0 * mcp4728_values[channel] / (DAC_STEPPER_MAX) + 0.5); }
+uint8_t MCP4728::getDrvPct(const uint8_t channel) { return uint8_t(100.0 * dac_values[channel] / (DAC_STEPPER_MAX) + 0.5); }
 
 /**
  * Receives all Drive strengths as 0-100 percent values, updates
  * DAC Values array and calls fastwrite to update the DAC.
  */
-void mcp4728_setDrvPct(xyze_uint8_t &pct) {
+void MCP4728::setDrvPct(xyze_uint8_t &pct) {
-  mcp4728_values *= 0.01 * pct * (DAC_STEPPER_MAX);
+  dac_values *= 0.01 * pct * (DAC_STEPPER_MAX);
-  mcp4728_fastWrite();
+  fastWrite();
 }
 
 /**
@@ -131,11 +133,11 @@ void mcp4728_setDrvPct(xyze_uint8_t &pct) {
  * DAC Input and PowerDown bits update.
  * No EEPROM update
  */
-uint8_t mcp4728_fastWrite() {
+uint8_t MCP4728::fastWrite() {
   Wire.beginTransmission(I2C_ADDRESS(DAC_DEV_ADDRESS));
   LOOP_XYZE(i) {
-    Wire.write(highByte(mcp4728_values[i]));
+    Wire.write(highByte(dac_values[i]));
-    Wire.write(lowByte(mcp4728_values[i]));
+    Wire.write(lowByte(dac_values[i]));
   }
   return Wire.endTransmission();
 }
@@ -143,10 +145,10 @@ uint8_t mcp4728_fastWrite() {
 /**
  * Common function for simple general commands
  */
-uint8_t mcp4728_simpleCommand(const byte simpleCommand) {
+uint8_t MCP4728::simpleCommand(const byte simpleCommand) {
   Wire.beginTransmission(I2C_ADDRESS(GENERALCALL));
   Wire.write(simpleCommand);
   return Wire.endTransmission();
 }
 
-#endif // DAC_STEPPER_CURRENT
+#endif // HAS_MOTOR_CURRENT_DAC

Marlin/src/feature/dac/dac_mcp4728.h

@@ -40,7 +40,7 @@
 #endif
 
 #ifndef lowByte
-  #define lowByte(w)  ((uint8_t) ((w) & 0xff))
+  #define lowByte(w)  ((uint8_t) ((w) & 0xFF))
 #endif
 
 #ifndef highByte
@@ -65,13 +65,18 @@
 // DAC_OR_ADDRESS defined in pins_BOARD.h  file
 #define DAC_DEV_ADDRESS (BASE_ADDR | DAC_OR_ADDRESS)
 
-void mcp4728_init();
+class MCP4728 {
-uint8_t mcp4728_analogWrite(const uint8_t channel, const uint16_t value);
+public:
-uint8_t mcp4728_eepromWrite();
+  static void     init();
-uint8_t mcp4728_setVref_all(const uint8_t value);
+  static uint8_t  analogWrite(const uint8_t channel, const uint16_t value);
-uint8_t mcp4728_setGain_all(const uint8_t value);
+  static uint8_t  eepromWrite();
-uint16_t mcp4728_getValue(const uint8_t channel);
+  static uint8_t  setVref_all(const uint8_t value);
-uint8_t mcp4728_fastWrite();
+  static uint8_t  setGain_all(const uint8_t value);
-uint8_t mcp4728_simpleCommand(const byte simpleCommand);
+  static uint16_t getValue(const uint8_t channel);
-uint8_t mcp4728_getDrvPct(const uint8_t channel);
+  static uint8_t  fastWrite();
-void mcp4728_setDrvPct(xyze_uint8_t &pct);
+  static uint8_t  simpleCommand(const byte simpleCommand);
+  static uint8_t  getDrvPct(const uint8_t channel);
+  static void     setDrvPct(xyze_uint8_t &pct);
+};
+
+extern MCP4728 mcp4728;

Marlin/src/feature/dac/stepper_dac.cpp

@@ -26,7 +26,7 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if ENABLED(DAC_STEPPER_CURRENT)
+#if ENABLED(HAS_MOTOR_CURRENT_DAC)
 
 #include "stepper_dac.h"
 #include "../../MarlinCore.h" // for SP_X_LBL...
@@ -35,56 +35,53 @@ bool dac_present = false;
 constexpr xyze_uint8_t dac_order = DAC_STEPPER_ORDER;
 xyze_uint8_t dac_channel_pct = DAC_MOTOR_CURRENT_DEFAULT;
 
-int dac_init() {
+StepperDAC stepper_dac;
+
+int StepperDAC::init() {
   #if PIN_EXISTS(DAC_DISABLE)
     OUT_WRITE(DAC_DISABLE_PIN, LOW);  // set pin low to enable DAC
   #endif
 
-  mcp4728_init();
+  mcp4728.init();
 
-  if (mcp4728_simpleCommand(RESET)) return -1;
+  if (mcp4728.simpleCommand(RESET)) return -1;
 
   dac_present = true;
 
-  mcp4728_setVref_all(DAC_STEPPER_VREF);
+  mcp4728.setVref_all(DAC_STEPPER_VREF);
-  mcp4728_setGain_all(DAC_STEPPER_GAIN);
+  mcp4728.setGain_all(DAC_STEPPER_GAIN);
 
-  if (mcp4728_getDrvPct(0) < 1 || mcp4728_getDrvPct(1) < 1 || mcp4728_getDrvPct(2) < 1 || mcp4728_getDrvPct(3) < 1 ) {
+  if (mcp4728.getDrvPct(0) < 1 || mcp4728.getDrvPct(1) < 1 || mcp4728.getDrvPct(2) < 1 || mcp4728.getDrvPct(3) < 1 ) {
-    mcp4728_setDrvPct(dac_channel_pct);
+    mcp4728.setDrvPct(dac_channel_pct);
-    mcp4728_eepromWrite();
+    mcp4728.eepromWrite();
   }
 
   return 0;
 }
 
-void dac_current_percent(uint8_t channel, float val) {
+void StepperDAC::set_current_value(const uint8_t channel, uint16_t val) {
-  if (!dac_present) return;
-
-  NOMORE(val, 100);
-
-  mcp4728_analogWrite(dac_order[channel], val * 0.01 * (DAC_STEPPER_MAX));
-  mcp4728_simpleCommand(UPDATE);
-}
-
-void dac_current_raw(uint8_t channel, uint16_t val) {
   if (!dac_present) return;
 
   NOMORE(val, uint16_t(DAC_STEPPER_MAX));
 
-  mcp4728_analogWrite(dac_order[channel], val);
+  mcp4728.analogWrite(dac_order[channel], val);
-  mcp4728_simpleCommand(UPDATE);
+  mcp4728.simpleCommand(UPDATE);
 }
 
-static float dac_perc(int8_t n) { return 100.0 * mcp4728_getValue(dac_order[n]) * RECIPROCAL(DAC_STEPPER_MAX); }
+void StepperDAC::set_current_percent(const uint8_t channel, float val) {
-static float dac_amps(int8_t n) { return mcp4728_getDrvPct(dac_order[n]) * (DAC_STEPPER_MAX) * 0.125 * RECIPROCAL(DAC_STEPPER_SENSE); }
+  set_current_value(channel, _MIN(val, 100.0f) * (DAC_STEPPER_MAX) / 100.0f);
+}
 
-uint8_t dac_current_get_percent(const AxisEnum axis) { return mcp4728_getDrvPct(dac_order[axis]); }
+static float dac_perc(int8_t n) { return 100.0 * mcp4728.getValue(dac_order[n]) * RECIPROCAL(DAC_STEPPER_MAX); }
-void dac_current_set_percents(xyze_uint8_t &pct) {
+static float dac_amps(int8_t n) { return mcp4728.getDrvPct(dac_order[n]) * (DAC_STEPPER_MAX) * 0.125 * RECIPROCAL(DAC_STEPPER_SENSE); }
+
+uint8_t StepperDAC::get_current_percent(const AxisEnum axis) { return mcp4728.getDrvPct(dac_order[axis]); }
+void StepperDAC::set_current_percents(xyze_uint8_t &pct) {
   LOOP_XYZE(i) dac_channel_pct[i] = pct[dac_order[i]];
-  mcp4728_setDrvPct(dac_channel_pct);
+  mcp4728.setDrvPct(dac_channel_pct);
 }
 
-void dac_print_values() {
+void StepperDAC::print_values() {
   if (!dac_present) return;
   SERIAL_ECHO_MSG("Stepper current values in % (Amps):");
   SERIAL_ECHO_START();
@@ -94,9 +91,9 @@ void dac_print_values() {
   SERIAL_ECHOLNPAIR_P(SP_E_LBL, dac_perc(E_AXIS), PSTR(" ("), dac_amps(E_AXIS), PSTR(")"));
 }
 
-void dac_commit_eeprom() {
+void StepperDAC::commit_eeprom() {
   if (!dac_present) return;
-  mcp4728_eepromWrite();
+  mcp4728.eepromWrite();
 }
 
-#endif // DAC_STEPPER_CURRENT
+#endif // HAS_MOTOR_CURRENT_DAC

Marlin/src/feature/dac/stepper_dac.h

@@ -27,10 +27,15 @@
 
 #include "dac_mcp4728.h"
 
-int dac_init();
+class StepperDAC {
-void dac_current_percent(uint8_t channel, float val);
+public:
-void dac_current_raw(uint8_t channel, uint16_t val);
+  static int init();
-void dac_print_values();
+  static void set_current_percent(const uint8_t channel, float val);
-void dac_commit_eeprom();
+  static void set_current_value(const uint8_t channel, uint16_t val);
-uint8_t dac_current_get_percent(AxisEnum axis);
+  static void print_values();
-void dac_current_set_percents(xyze_uint8_t &pct);
+  static void commit_eeprom();
+  static uint8_t get_current_percent(AxisEnum axis);
+  static void set_current_percents(xyze_uint8_t &pct);
+};
+
+extern StepperDAC stepper_dac;

Marlin/src/feature/digipot/digipot.h

@@ -21,5 +21,13 @@
  */
 #pragma once
 
-void digipot_i2c_set_current(const uint8_t channel, const float current);
+//
-void digipot_i2c_init();
+// Header for MCP4018 and MCP4451 current control i2c devices
+//
+class DigipotI2C {
+public:
+  static void init();
+  static void set_current(const uint8_t channel, const float current);
+};
+
+DigipotI2C digipot_i2c;

Marlin/src/feature/digipot/digipot_mcp4018.cpp

@@ -24,6 +24,8 @@
 
 #if ENABLED(DIGIPOT_MCP4018)
 
+#include "digipot.h"
+
 #include <Stream.h>
 #include <SlowSoftI2CMaster.h>  // https://github.com/stawel/SlowSoftI2CMaster
 
@@ -68,7 +70,7 @@ static SlowSoftI2CMaster pots[DIGIPOT_I2C_NUM_CHANNELS] = {
   #endif
 };
 
-static void i2c_send(const uint8_t channel, const byte v) {
+static void digipot_i2c_send(const uint8_t channel, const byte v) {
   if (WITHIN(channel, 0, DIGIPOT_I2C_NUM_CHANNELS - 1)) {
     pots[channel].i2c_start(((DIGIPOT_I2C_ADDRESS_A) << 1) | I2C_WRITE);
     pots[channel].i2c_write(v);
@@ -77,12 +79,12 @@ static void i2c_send(const uint8_t channel, const byte v) {
 }
 
 // This is for the MCP4018 I2C based digipot
-void digipot_i2c_set_current(const uint8_t channel, const float current) {
+void DigipotI2C::set_current(const uint8_t channel, const float current) {
   const float ival = _MIN(_MAX(current, 0), float(DIGIPOT_MCP4018_MAX_VALUE));
-  i2c_send(channel, current_to_wiper(ival));
+  digipot_i2c_send(channel, current_to_wiper(ival));
 }
 
-void digipot_i2c_init() {
+void DigipotI2C::init() {
   LOOP_L_N(i, DIGIPOT_I2C_NUM_CHANNELS) pots[i].i2c_init();
 
   // Init currents according to Configuration_adv.h
@@ -94,7 +96,7 @@ void digipot_i2c_init() {
     #endif
   ;
   LOOP_L_N(i, COUNT(digipot_motor_current))
-    digipot_i2c_set_current(i, pgm_read_float(&digipot_motor_current[i]));
+    set_current(i, pgm_read_float(&digipot_motor_current[i]));
 }
 
 #endif // DIGIPOT_MCP4018

Marlin/src/feature/digipot/digipot_mcp4451.cpp

@@ -24,6 +24,8 @@
 
 #if ENABLED(DIGIPOT_MCP4451)
 
+#include "digipot.h"
+
 #include <Stream.h>
 #include <Wire.h>
 
@@ -61,7 +63,7 @@ static void digipot_i2c_send(const byte addr, const byte a, const byte b) {
 }
 
 // This is for the MCP4451 I2C based digipot
-void digipot_i2c_set_current(const uint8_t channel, const float current) {
+void DigipotI2C::set_current(const uint8_t channel, const float current) {
   // These addresses are specific to Azteeg X3 Pro, can be set to others.
   // In this case first digipot is at address A0=0, A1=0, second one is at A0=0, A1=1
   const byte addr = channel < 4 ? DIGIPOT_I2C_ADDRESS_A : DIGIPOT_I2C_ADDRESS_B; // channel 0-3 vs 4-7
@@ -75,7 +77,7 @@ void digipot_i2c_set_current(const uint8_t channel, const float current) {
   digipot_i2c_send(addr, addresses[channel & 0x3], current_to_wiper(_MIN(float(_MAX(current, 0)), DIGIPOT_I2C_MAX_CURRENT)));
 }
 
-void digipot_i2c_init() {
+void DigipotI2C::init() {
   #if MB(MKS_SBASE)
     configure_i2c(16); // Set clock_option to 16 ensure I2C is initialized at 400kHz
   #else
@@ -90,7 +92,7 @@ void digipot_i2c_init() {
     #endif
   ;
   LOOP_L_N(i, COUNT(digipot_motor_current))
-    digipot_i2c_set_current(i, pgm_read_float(&digipot_motor_current[i]));
+    set_current(i, pgm_read_float(&digipot_motor_current[i]));
 }
 
 #endif // DIGIPOT_MCP4451

Marlin/src/feature/e_parser.h

@@ -88,10 +88,8 @@ public:
 
       case EP_N:
         switch (c) {
-          case '0': case '1': case '2':
+          case '0' ... '9':
-          case '3': case '4': case '5':
+          case '-': case ' ':   break;
-          case '6': case '7': case '8':
-          case '9': case '-': case ' ':   break;
           case 'M': state = EP_M;      break;
           default:  state = EP_IGNORE;
         }
@@ -153,10 +151,7 @@ public:
       case EP_M876S:
         switch (c) {
           case ' ': break;
-          case '0': case '1': case '2':
+          case '0' ... '9':
-          case '3': case '4': case '5':
-          case '6': case '7': case '8':
-          case '9':
             state = EP_M876SN;
             M876_reason = (uint8_t)(c - '0');
             break;

Marlin/src/feature/mmu2/mmu2.cpp

@@ -340,17 +340,17 @@ void MMU2::mmu_loop() {
       #endif
 
       if (rx_ok()) {
-        // response to C0 mmu command in PRUSA_MMU2_S_MODE
+        // Response to C0 mmu command in PRUSA_MMU2_S_MODE
         bool can_reset = true;
-        if (ENABLED(PRUSA_MMU2_S_MODE) && last_cmd == MMU_CMD_C0) {
+        #if ENABLED(PRUSA_MMU2_S_MODE)
-          if (!mmu2s_triggered) {
+          if (!mmu2s_triggered && last_cmd == MMU_CMD_C0) {
             can_reset = false;
             // MMU ok received but filament sensor not triggered, retrying...
             DEBUG_ECHOLNPGM("MMU => 'ok' (filament not present in gears)");
             DEBUG_ECHOLNPGM("MMU <= 'C0' (keep trying)");
             MMU2_COMMAND("C0");
           }
-        }
+        #endif
         if (can_reset) {
           DEBUG_ECHOLNPGM("MMU => 'ok'");
           ready = true;

Marlin/src/feature/pause.cpp

@@ -61,6 +61,10 @@
   #include "../libs/buzzer.h"
 #endif
 
+#if ENABLED(POWER_LOSS_RECOVERY)
+  #include "powerloss.h"
+#endif
+
 #include "../libs/nozzle.h"
 #include "pause.h"
 
@@ -612,11 +616,13 @@ void resume_print(const float &slow_load_length/*=0*/, const float &fast_load_le
   // Retract to prevent oozing
   unscaled_e_move(-(PAUSE_PARK_RETRACT_LENGTH), feedRate_t(PAUSE_PARK_RETRACT_FEEDRATE));
 
-  // Move XY to starting position, then Z
+  if (!axes_should_home()) {
-  do_blocking_move_to_xy(resume_position, feedRate_t(NOZZLE_PARK_XY_FEEDRATE));
+    // Move XY to starting position, then Z
+    do_blocking_move_to_xy(resume_position, feedRate_t(NOZZLE_PARK_XY_FEEDRATE));
 
-  // Move Z_AXIS to saved position
+    // Move Z_AXIS to saved position
-  do_blocking_move_to_z(resume_position.z, feedRate_t(NOZZLE_PARK_Z_FEEDRATE));
+    do_blocking_move_to_z(resume_position.z, feedRate_t(NOZZLE_PARK_Z_FEEDRATE));
+  }
 
   // Unretract
   unscaled_e_move(PAUSE_PARK_RETRACT_LENGTH, feedRate_t(PAUSE_PARK_RETRACT_FEEDRATE));
@@ -638,6 +644,9 @@ void resume_print(const float &slow_load_length/*=0*/, const float &fast_load_le
   // Set extruder to saved position
   planner.set_e_position_mm((destination.e = current_position.e = resume_position.e));
 
+  // Write PLR now to update the z axis value
+  TERN_(POWER_LOSS_RECOVERY, if (recovery.enabled) recovery.save(true));
+
   TERN_(HAS_LCD_MENU, lcd_pause_show_message(PAUSE_MESSAGE_STATUS));
 
   #ifdef ACTION_ON_RESUMED

Marlin/src/feature/tmc_util.h

@@ -38,7 +38,7 @@
 #define CHOPPER_09STEP_24V   { 3, -1, 5 }
 
 #if ENABLED(MONITOR_DRIVER_STATUS) && !defined(MONITOR_DRIVER_STATUS_INTERVAL_MS)
-  #define MONITOR_DRIVER_STATUS_INTERVAL_MS 500u
+  #define MONITOR_DRIVER_STATUS_INTERVAL_MS 500U
 #endif
 
 constexpr uint16_t _tmc_thrs(const uint16_t msteps, const uint32_t thrs, const uint32_t spmm) {

Marlin/src/gcode/bedlevel/G26.cpp

@@ -511,11 +511,9 @@ void GcodeSuite::G26() {
        g26_keep_heaters_on       = parser.boolval('K');
 
   // Accept 'I' if temperature presets are defined
-  const uint8_t preset_index = (0
+  #if PREHEAT_COUNT
-    #if PREHEAT_COUNT
+    const uint8_t preset_index = parser.seenval('I') ? _MIN(parser.value_byte(), PREHEAT_COUNT - 1) + 1 : 0;
-      + (parser.seenval('I') ? _MIN(parser.value_byte(), PREHEAT_COUNT - 1) + 1 : 0)
+  #endif
-    #endif
-  );
 
   #if HAS_HEATED_BED