Marlin 2.0.9.2

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

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -110,6 +110,18 @@ body:
       label: Add-ons
       description: Please list any hardware add-ons that could be involved.
 
+  - type: dropdown
+    attributes:
+      label: Bed Leveling
+      description: What kind of bed leveling compensation are you using?
+      options:
+        - UBL Bilinear mesh
+        - ABL Bilinear mesh
+        - ABL Linear grid
+        - ABL 3-point
+        - MBL Manual Bed Leveling
+        - No Bed Leveling
+
   - type: dropdown
     attributes:
       label: Your Slicer

.github/workflows/bump-date.yml

@@ -28,6 +28,7 @@ jobs:
         # Inline Bump Script
         DIST=$( date +"%Y-%m-%d" )
         eval "sed -E -i 's/(#define +STRING_DISTRIBUTION_DATE) .*$/\1 \"$DIST\"/g' Marlin/src/inc/Version.h" && \
+        eval "sed -E -i 's/(#define +STRING_DISTRIBUTION_DATE) .*$/\1 \"$DIST\"/g' Marlin/Version.h" && \
         git config user.name "${GITHUB_ACTOR}" && \
         git config user.email "${GITHUB_ACTOR}@users.noreply.github.com" && \
         git add . && \

.github/workflows/test-builds.yml

@@ -56,29 +56,33 @@ jobs:
 
         # STM32F1 (Maple) Environments
 
-        - STM32F103RC_btt
-        - STM32F103RC_btt_USB
-        - STM32F103RE_btt
-        - STM32F103RE_btt_USB
-        - STM32F103RC_fysetc
+        #- STM32F103RC_btt_maple
+        - STM32F103RC_btt_USB_maple
+        - STM32F103RC_fysetc_maple
         - STM32F103RC_meeb
-        - jgaurora_a5s_a1
-        - STM32F103VE_longer
-        - mks_robin
-        - mks_robin_lite
-        - mks_robin_pro
-        - STM32F103RET6_creality
-        - mks_robin_nano35
+        - jgaurora_a5s_a1_maple
+        - STM32F103VE_longer_maple
+        #- mks_robin_maple
+        - mks_robin_lite_maple
+        - mks_robin_pro_maple
+        #- mks_robin_nano35_maple
+        #- STM32F103RET6_creality_maple
+        - STM32F103VE_ZM3E4V2_USB_maple
 
         # STM32 (ST) Environments
 
-        - STM32F103RC_btt_stm32
+        - STM32F103RC_btt
+        #- STM32F103RC_btt_USB
+        - STM32F103RE_btt
+        - STM32F103RE_btt_USB
+        - STM32F103RET6_creality
+        - STM32F103VE_longer
         - STM32F407VE_black
         - STM32F401VE_STEVAL
         - BIGTREE_BTT002
         - BIGTREE_SKR_PRO
         - BIGTREE_GTR_V1_0
-        - mks_robin_stm32
+        - mks_robin
         - ARMED
         - FYSETC_S6
         - STM32F070CB_malyan
@@ -88,11 +92,12 @@ jobs:
         - rumba32
         - LERDGEX
         - LERDGEK
-        - mks_robin_nano35_stm32
+        - mks_robin_nano35
         - NUCLEO_F767ZI
         - REMRAM_V1
         - BTT_SKR_SE_BX
         - chitu_f103
+        - Index_Mobo_Rev03
 
         # Put lengthy tests last
 
@@ -107,8 +112,25 @@ jobs:
 
     steps:
 
+    - name: Check out the PR
+      uses: actions/checkout@v2
+
+    - name: Cache pip
+      uses: actions/cache@v2
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+
+    - name: Cache PlatformIO
+      uses: actions/cache@v2
+      with:
+        path: ~/.platformio
+        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
+
     - name: Select Python 3.7
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: '3.7' # Version range or exact version of a Python version to use, using semvers version range syntax.
         architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
@@ -118,9 +140,6 @@ jobs:
         pip install -U https://github.com/platformio/platformio-core/archive/develop.zip
         platformio update
 
-    - name: Check out the PR
-      uses: actions/checkout@v2
-
     - name: Run ${{ matrix.test-platform }} Tests
       run: |
         make tests-single-ci TEST_TARGET=${{ matrix.test-platform }}

.gitignore

@@ -143,7 +143,11 @@ vc-fileutils.settings
 .vscode/launch.json
 .vscode/*.db
 
-# cmake
+#Simulation
+imgui.ini
+eeprom.dat
+
+#cmake
 CMakeLists.txt
 src/CMakeLists.txt
 CMakeListsPrivate.txt

Marlin/Configuration.h

@@ -35,7 +35,7 @@
  *
  * Advanced settings can be found in Configuration_adv.h
  */
-#define CONFIGURATION_H_VERSION 02000801
+#define CONFIGURATION_H_VERSION 02000902
 
 //===========================================================================
 //============================= Getting Started =============================
@@ -149,6 +149,45 @@
 // Choose your own or use a service like https://www.uuidgenerator.net/version4
 //#define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
 
+/**
+ * Define the number of coordinated linear axes.
+ * See https://github.com/DerAndere1/Marlin/wiki
+ * Each linear axis gets its own stepper control and endstop:
+ *
+ *   Steppers: *_STEP_PIN, *_ENABLE_PIN, *_DIR_PIN, *_ENABLE_ON
+ *   Endstops: *_STOP_PIN, USE_*MIN_PLUG, USE_*MAX_PLUG
+ *       Axes: *_MIN_POS, *_MAX_POS, INVERT_*_DIR
+ *    Planner: DEFAULT_AXIS_STEPS_PER_UNIT, DEFAULT_MAX_FEEDRATE
+ *             DEFAULT_MAX_ACCELERATION, AXIS_RELATIVE_MODES,
+ *             MICROSTEP_MODES, MANUAL_FEEDRATE
+ *
+ * :[3, 4, 5, 6]
+ */
+//#define LINEAR_AXES 3
+
+/**
+ * Axis codes for additional axes:
+ * This defines the axis code that is used in G-code commands to
+ * reference a specific axis.
+ * 'A' for rotational axis parallel to X
+ * 'B' for rotational axis parallel to Y
+ * 'C' for rotational axis parallel to Z
+ * 'U' for secondary linear axis parallel to X
+ * 'V' for secondary linear axis parallel to Y
+ * 'W' for secondary linear axis parallel to Z
+ * Regardless of the settings, firmware-internal axis IDs are
+ * I (AXIS4), J (AXIS5), K (AXIS6).
+ */
+#if LINEAR_AXES >= 4
+  #define AXIS4_NAME 'A' // :['A', 'B', 'C', 'U', 'V', 'W']
+#endif
+#if LINEAR_AXES >= 5
+  #define AXIS5_NAME 'B' // :['A', 'B', 'C', 'U', 'V', 'W']
+#endif
+#if LINEAR_AXES >= 6
+  #define AXIS6_NAME 'C' // :['A', 'B', 'C', 'U', 'V', 'W']
+#endif
+
 // @section extruder
 
 // This defines the number of extruders
@@ -303,6 +342,7 @@
   #define MIXING_VIRTUAL_TOOLS 16  // Use the Virtual Tool method with M163 and M164
   //#define DIRECT_MIXING_IN_G1    // Allow ABCDHI mix factors in G1 movement commands
   //#define GRADIENT_MIX           // Support for gradient mixing with M166 and LCD
+  //#define MIXING_PRESETS         // Assign 8 default V-tool presets for 2 or 3 MIXING_STEPPERS
   #if ENABLED(GRADIENT_MIX)
     //#define GRADIENT_VTOOL       // Add M166 T to use a V-tool index as a Gradient alias
   #endif
@@ -327,6 +367,9 @@
 //#define PSU_NAME "Power Supply"
 
 #if ENABLED(PSU_CONTROL)
+  //#define MKS_PWC                 // Using the MKS PWC add-on
+  //#define PS_OFF_CONFIRM          // Confirm dialog when power off
+  //#define PS_OFF_SOUND            // Beep 1s when power off
   #define PSU_ACTIVE_STATE LOW      // Set 'LOW' for ATX, 'HIGH' for X-Box
 
   //#define PSU_DEFAULT_OFF         // Keep power off until enabled directly with M80
@@ -356,70 +399,93 @@
 // @section temperature
 
 /**
- * --NORMAL IS 4.7kohm PULLUP!-- 1kohm pullup can be used on hotend sensor, using correct resistor and table
+ * --NORMAL IS 4.7kΩ PULLUP!-- 1kΩ pullup can be used on hotend sensor, using correct resistor and table
  *
  * Temperature sensors available:
  *
- *    -5 : PT100 / PT1000 with MAX31865 (only for sensors 0-1)
- *    -3 : thermocouple with MAX31855 (only for sensors 0-1)
- *    -2 : thermocouple with MAX6675 (only for sensors 0-1)
- *    -4 : thermocouple with AD8495
- *    -1 : thermocouple with AD595
+ *  SPI RTD/Thermocouple Boards - IMPORTANT: Read the NOTE below!
+ *  -------
+ *    -5 : MAX31865 with Pt100/Pt1000, 2, 3, or 4-wire  (only for sensors 0-1)
+ *                  NOTE: You must uncomment/set the MAX31865_*_OHMS_n defines below.
+ *    -3 : MAX31855 with Thermocouple, -200°C to +700°C (only for sensors 0-1)
+ *    -2 : MAX6675  with Thermocouple, 0°C to +700°C    (only for sensors 0-1)
+ *
+ *  NOTE: Ensure TEMP_n_CS_PIN is set in your pins file for each TEMP_SENSOR_n using an SPI Thermocouple. By default,
+ *        Hardware SPI on the default serial bus is used. If you have also set TEMP_n_SCK_PIN and TEMP_n_MISO_PIN,
+ *        Software SPI will be used on those ports instead. You can force Hardware SPI on the default bus in the
+ *        Configuration_adv.h file. At this time, separate Hardware SPI buses for sensors are not supported.
+ *
+ *  Analog Themocouple Boards
+ *  -------
+ *    -4 : AD8495 with Thermocouple
+ *    -1 : AD595  with Thermocouple
+ *
+ *  Analog Thermistors - 4.7kΩ pullup - Normal
+ *  -------
+ *     1 : 100kΩ  EPCOS - Best choice for EPCOS thermistors
+ *   331 : 100kΩ  Same as #1, but 3.3V scaled for MEGA
+ *   332 : 100kΩ  Same as #1, but 3.3V scaled for DUE
+ *     2 : 200kΩ  ATC Semitec 204GT-2
+ *   202 : 200kΩ  Copymaster 3D
+ *     3 : ???Ω   Mendel-parts thermistor
+ *     4 : 10kΩ   Generic Thermistor !! DO NOT use for a hotend - it gives bad resolution at high temp. !!
+ *     5 : 100kΩ  ATC Semitec 104GT-2/104NT-4-R025H42G - Used in ParCan, J-Head, and E3D, SliceEngineering 300°C
+ *   501 : 100kΩ  Zonestar - Tronxy X3A
+ *   502 : 100kΩ  Zonestar - used by hot bed in Zonestar Průša P802M
+ *   512 : 100kΩ  RPW-Ultra hotend
+ *     6 : 100kΩ  EPCOS - Not as accurate as table #1 (created using a fluke thermocouple)
+ *     7 : 100kΩ  Honeywell 135-104LAG-J01
+ *    71 : 100kΩ  Honeywell 135-104LAF-J01
+ *     8 : 100kΩ  Vishay 0603 SMD NTCS0603E3104FXT
+ *     9 : 100kΩ  GE Sensing AL03006-58.2K-97-G1
+ *    10 : 100kΩ  RS PRO 198-961
+ *    11 : 100kΩ  Keenovo AC silicone mats, most Wanhao i3 machines - beta 3950, 1%
+ *    12 : 100kΩ  Vishay 0603 SMD NTCS0603E3104FXT (#8) - calibrated for Makibox hot bed
+ *    13 : 100kΩ  Hisens up to 300°C - for "Simple ONE" & "All In ONE" hotend - beta 3950, 1%
+ *    15 : 100kΩ  Calibrated for JGAurora A5 hotend
+ *    18 : 200kΩ  ATC Semitec 204GT-2 Dagoma.Fr - MKS_Base_DKU001327
+ *    22 : 100kΩ  GTM32 Pro vB - hotend - 4.7kΩ pullup to 3.3V and 220Ω to analog input
+ *    23 : 100kΩ  GTM32 Pro vB - bed - 4.7kΩ pullup to 3.3v and 220Ω to analog input
+ *    30 : 100kΩ  Kis3d Silicone heating mat 200W/300W with 6mm precision cast plate (EN AW 5083) NTC100K - beta 3950
+ *    60 : 100kΩ  Maker's Tool Works Kapton Bed Thermistor - beta 3950
+ *    61 : 100kΩ  Formbot/Vivedino 350°C Thermistor - beta 3950
+ *    66 : 4.7MΩ  Dyze Design High Temperature Thermistor
+ *    67 : 500kΩ  SliceEngineering 450°C Thermistor
+ *    70 : 100kΩ  bq Hephestos 2
+ *    75 : 100kΩ  Generic Silicon Heat Pad with NTC100K MGB18-104F39050L32
+ *  2000 : 100kΩ  Ultimachine Rambo TDK NTCG104LH104KT1 NTC100K motherboard Thermistor
+ *
+ *  Analog Thermistors - 1kΩ pullup - Atypical, and requires changing out the 4.7kΩ pullup for 1kΩ.
+ *  -------                           (but gives greater accuracy and more stable PID)
+ *    51 : 100kΩ  EPCOS (1kΩ pullup)
+ *    52 : 200kΩ  ATC Semitec 204GT-2 (1kΩ pullup)
+ *    55 : 100kΩ  ATC Semitec 104GT-2 - Used in ParCan & J-Head (1kΩ pullup)
+ *
+ *  Analog Thermistors - 10kΩ pullup - Atypical
+ *  -------
+ *    99 : 100kΩ  Found on some Wanhao i3 machines with a 10kΩ pull-up resistor
+ *
+ *  Analog RTDs (Pt100/Pt1000)
+ *  -------
+ *   110 : Pt100  with 1kΩ pullup (atypical)
+ *   147 : Pt100  with 4.7kΩ pullup
+ *  1010 : Pt1000 with 1kΩ pullup (atypical)
+ *  1047 : Pt1000 with 4.7kΩ pullup (E3D)
+ *    20 : Pt100  with circuit in the Ultimainboard V2.x with mainboard ADC reference voltage = INA826 amplifier-board supply voltage.
+ *                NOTE: (1) Must use an ADC input with no pullup. (2) Some INA826 amplifiers are unreliable at 3.3V so consider using sensor 147, 110, or 21.
+ *    21 : Pt100  with circuit in the Ultimainboard V2.x with 3.3v ADC reference voltage (STM32, LPC176x....) and 5V INA826 amplifier board supply.
+ *                NOTE: ADC pins are not 5V tolerant. Not recommended because it's possible to damage the CPU by going over 500°C.
+ *   201 : Pt100  with circuit in Overlord, similar to Ultimainboard V2.x
+ *
+ *  Custom/Dummy/Other Thermal Sensors
+ *  ------
  *     0 : not used
- *     1 : 100k thermistor - best choice for EPCOS 100k (4.7k pullup)
- *   331 : (3.3V scaled thermistor 1 table for MEGA)
- *   332 : (3.3V scaled thermistor 1 table for DUE)
- *     2 : 200k thermistor - ATC Semitec 204GT-2 (4.7k pullup)
- *   202 : 200k thermistor - Copymaster 3D
- *     3 : Mendel-parts thermistor (4.7k pullup)
- *     4 : 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!
- *     5 : 100K thermistor - ATC Semitec 104GT-2/104NT-4-R025H42G (Used in ParCan, J-Head, and E3D) (4.7k pullup)
- *   501 : 100K Zonestar (Tronxy X3A) Thermistor
- *   502 : 100K Zonestar Thermistor used by hot bed in Zonestar Průša P802M
- *   512 : 100k RPW-Ultra hotend thermistor (4.7k pullup)
- *     6 : 100k EPCOS - Not as accurate as table 1 (created using a fluke thermocouple) (4.7k pullup)
- *     7 : 100k Honeywell thermistor 135-104LAG-J01 (4.7k pullup)
- *    71 : 100k Honeywell thermistor 135-104LAF-J01 (4.7k pullup)
- *     8 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup)
- *     9 : 100k GE Sensing AL03006-58.2K-97-G1 (4.7k pullup)
- *    10 : 100k RS thermistor 198-961 (4.7k pullup)
- *    11 : 100k beta 3950 1% thermistor (Used in Keenovo AC silicone mats and most Wanhao i3 machines) (4.7k pullup)
- *    12 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup) (calibrated for Makibox hot bed)
- *    13 : 100k Hisens 3950  1% up to 300°C for hotend "Simple ONE " & "Hotend "All In ONE"
- *    15 : 100k thermistor calibration for JGAurora A5 hotend
- *    18 : ATC Semitec 204GT-2 (4.7k pullup) Dagoma.Fr - MKS_Base_DKU001327
- *    20 : Pt100 with circuit in the Ultimainboard V2.x with mainboard ADC reference voltage = INA826 amplifier-board supply voltage.
- *         NOTES: (1) Must use an ADC input with no pullup. (2) Some INA826 amplifiers are unreliable at 3.3V so consider using sensor 147, 110, or 21.
- *    21 : Pt100 with circuit in the Ultimainboard V2.x with 3.3v ADC reference voltage (STM32, LPC176x....) and 5V INA826 amplifier board supply.
- *         NOTE: ADC pins are not 5V tolerant. Not recommended because it's possible to damage the CPU by going over 500°C.
- *    22 : 100k (hotend) with 4.7k pullup to 3.3V and 220R to analog input (as in GTM32 Pro vB)
- *    23 : 100k (bed) with 4.7k pullup to 3.3v and 220R to analog input (as in GTM32 Pro vB)
- *    30 : Kis3d Silicone heating mat 200W/300W with 6mm precision cast plate (EN AW 5083) NTC100K / B3950 (4.7k pullup)
- *   201 : Pt100 with circuit in Overlord, similar to Ultimainboard V2.x
- *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
- *    61 : 100k Formbot / Vivedino 3950 350C thermistor 4.7k pullup
- *    66 : 4.7M High Temperature thermistor from Dyze Design
- *    67 : 450C thermistor from SliceEngineering
- *    70 : the 100K thermistor found in the bq Hephestos 2
- *    75 : 100k Generic Silicon Heat Pad with NTC 100K MGB18-104F39050L32 thermistor
- *    99 : 100k thermistor with a 10K pull-up resistor (found on some Wanhao i3 machines)
- *
- *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
- *                              (but gives greater accuracy and more stable PID)
- *    51 : 100k thermistor - EPCOS (1k pullup)
- *    52 : 200k thermistor - ATC Semitec 204GT-2 (1k pullup)
- *    55 : 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (1k pullup)
- *
- *  1047 : Pt1000 with 4k7 pullup (E3D)
- *  1010 : Pt1000 with 1k pullup (non standard)
- *   147 : Pt100 with 4k7 pullup
- *   110 : Pt100 with 1k pullup (non standard)
- *
  *  1000 : Custom - Specify parameters in Configuration_adv.h
  *
- *         Use these for Testing or Development purposes. NEVER for production machine.
+ *   !!! Use these for Testing or Development purposes. NEVER for production machine. !!!
  *   998 : Dummy Table that ALWAYS reads 25°C or the temperature defined below.
  *   999 : Dummy Table that ALWAYS reads 100°C or the temperature defined below.
+ *
  */
 #define TEMP_SENSOR_0 1
 #define TEMP_SENSOR_1 0
@@ -433,6 +499,8 @@
 #define TEMP_SENSOR_PROBE 0
 #define TEMP_SENSOR_CHAMBER 0
 #define TEMP_SENSOR_COOLER 0
+#define TEMP_SENSOR_BOARD 0
+#define TEMP_SENSOR_REDUNDANT 0
 
 // Dummy thermistor constant temperature readings, for use with 998 and 999
 #define DUMMY_THERMISTOR_998_VALUE  25
@@ -440,15 +508,10 @@
 
 // Resistor values when using MAX31865 sensors (-5) on TEMP_SENSOR_0 / 1
 //#define MAX31865_SENSOR_OHMS_0      100   // (Ω) Typically 100 or 1000 (PT100 or PT1000)
-//#define MAX31865_CALIBRATION_OHMS_0 430   // (Ω) Typically 430 for AdaFruit PT100; 4300 for AdaFruit PT1000
+//#define MAX31865_CALIBRATION_OHMS_0 430   // (Ω) Typically 430 for Adafruit PT100; 4300 for Adafruit PT1000
 //#define MAX31865_SENSOR_OHMS_1      100
 //#define MAX31865_CALIBRATION_OHMS_1 430
 
-// 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
-#define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
-
 #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109
 #define TEMP_WINDOW                  1  // (°C) Temperature proximity for the "temperature reached" timer
 #define TEMP_HYSTERESIS              3  // (°C) Temperature proximity considered "close enough" to the target
@@ -461,6 +524,22 @@
 #define TEMP_CHAMBER_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
 #define TEMP_CHAMBER_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
+/**
+ * Redundant Temperature Sensor (TEMP_SENSOR_REDUNDANT)
+ *
+ * Use a temp sensor as a redundant sensor for another reading. Select an unused temperature sensor, and another
+ * sensor you'd like it to be redundant for. If the two thermistors differ by TEMP_SENSOR_REDUNDANT_MAX_DIFF (°C),
+ * the print will be aborted. Whichever sensor is selected will have its normal functions disabled; i.e. selecting
+ * the Bed sensor (-1) will disable bed heating/monitoring.
+ *
+ * For selecting source/target use: COOLER, PROBE, BOARD, CHAMBER, BED, E0, E1, E2, E3, E4, E5, E6, E7
+ */
+#if TEMP_SENSOR_REDUNDANT
+  #define TEMP_SENSOR_REDUNDANT_SOURCE    E1  // The sensor that will provide the redundant reading.
+  #define TEMP_SENSOR_REDUNDANT_TARGET    E0  // The sensor that we are providing a redundant reading for.
+  #define TEMP_SENSOR_REDUNDANT_MAX_DIFF  10  // (°C) Temperature difference that will trigger a print abort.
+#endif
+
 // Below this temperature the heater will be switched off
 // because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
@@ -516,8 +595,8 @@
                                   // 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.
+    // Specify up to one value per hotend here, according to your setup.
+    // If there are fewer values, the last one applies to the remaining hotends.
     #define DEFAULT_Kp_LIST {  22.20,  22.20 }
     #define DEFAULT_Ki_LIST {   1.08,   1.08 }
     #define DEFAULT_Kd_LIST { 114.00, 114.00 }
@@ -679,6 +758,16 @@
 //#define COREZY
 //#define MARKFORGED_XY  // MarkForged. See https://reprap.org/forum/read.php?152,504042
 
+// Enable for a belt style printer with endless "Z" motion
+//#define BELTPRINTER
+
+// Enable for Polargraph Kinematics
+//#define POLARGRAPH
+#if ENABLED(POLARGRAPH)
+  #define POLARGRAPH_MAX_BELT_LEN 1035.0
+  #define POLAR_SEGMENTS_PER_SECOND 5
+#endif
+
 //===========================================================================
 //============================== Endstop Settings ===========================
 //===========================================================================
@@ -691,20 +780,32 @@
 #define USE_XMIN_PLUG
 #define USE_YMIN_PLUG
 #define USE_ZMIN_PLUG
+//#define USE_IMIN_PLUG
+//#define USE_JMIN_PLUG
+//#define USE_KMIN_PLUG
 //#define USE_XMAX_PLUG
 //#define USE_YMAX_PLUG
 //#define USE_ZMAX_PLUG
+//#define USE_IMAX_PLUG
+//#define USE_JMAX_PLUG
+//#define USE_KMAX_PLUG
 
 // Enable pullup for all endstops to prevent a floating state
 #define ENDSTOPPULLUPS
 #if DISABLED(ENDSTOPPULLUPS)
   // Disable ENDSTOPPULLUPS to set pullups individually
-  //#define ENDSTOPPULLUP_XMAX
-  //#define ENDSTOPPULLUP_YMAX
-  //#define ENDSTOPPULLUP_ZMAX
   //#define ENDSTOPPULLUP_XMIN
   //#define ENDSTOPPULLUP_YMIN
   //#define ENDSTOPPULLUP_ZMIN
+  //#define ENDSTOPPULLUP_IMIN
+  //#define ENDSTOPPULLUP_JMIN
+  //#define ENDSTOPPULLUP_KMIN
+  //#define ENDSTOPPULLUP_XMAX
+  //#define ENDSTOPPULLUP_YMAX
+  //#define ENDSTOPPULLUP_ZMAX
+  //#define ENDSTOPPULLUP_IMAX
+  //#define ENDSTOPPULLUP_JMAX
+  //#define ENDSTOPPULLUP_KMAX
   //#define ENDSTOPPULLUP_ZMIN_PROBE
 #endif
 
@@ -712,12 +813,18 @@
 //#define ENDSTOPPULLDOWNS
 #if DISABLED(ENDSTOPPULLDOWNS)
   // Disable ENDSTOPPULLDOWNS to set pulldowns individually
-  //#define ENDSTOPPULLDOWN_XMAX
-  //#define ENDSTOPPULLDOWN_YMAX
-  //#define ENDSTOPPULLDOWN_ZMAX
   //#define ENDSTOPPULLDOWN_XMIN
   //#define ENDSTOPPULLDOWN_YMIN
   //#define ENDSTOPPULLDOWN_ZMIN
+  //#define ENDSTOPPULLDOWN_IMIN
+  //#define ENDSTOPPULLDOWN_JMIN
+  //#define ENDSTOPPULLDOWN_KMIN
+  //#define ENDSTOPPULLDOWN_XMAX
+  //#define ENDSTOPPULLDOWN_YMAX
+  //#define ENDSTOPPULLDOWN_ZMAX
+  //#define ENDSTOPPULLDOWN_IMAX
+  //#define ENDSTOPPULLDOWN_JMAX
+  //#define ENDSTOPPULLDOWN_KMAX
   //#define ENDSTOPPULLDOWN_ZMIN_PROBE
 #endif
 
@@ -725,9 +832,15 @@
 #define X_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define Y_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define Z_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define I_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define J_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define K_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define X_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define Y_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define Z_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define I_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define J_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
+#define K_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
 #define Z_MIN_PROBE_ENDSTOP_INVERTING false // Set to true to invert the logic of the probe.
 
 /**
@@ -756,6 +869,9 @@
 //#define Z2_DRIVER_TYPE A4988
 //#define Z3_DRIVER_TYPE A4988
 //#define Z4_DRIVER_TYPE A4988
+//#define I_DRIVER_TYPE  A4988
+//#define J_DRIVER_TYPE  A4988
+//#define K_DRIVER_TYPE  A4988
 #define E0_DRIVER_TYPE A4988
 //#define E1_DRIVER_TYPE A4988
 //#define E2_DRIVER_TYPE A4988
@@ -809,14 +925,14 @@
 /**
  * Default Axis Steps Per Unit (steps/mm)
  * Override with M92
- *                                      X, Y, Z, E0 [, E1[, E2...]]
+ *                                      X, Y, Z [, I [, J [, K]]], E0 [, E1[, E2...]]
  */
 #define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 500 }
 
 /**
  * Default Max Feed Rate (mm/s)
  * Override with M203
- *                                      X, Y, Z, E0 [, E1[, E2...]]
+ *                                      X, Y, Z [, I [, J [, K]]], E0 [, E1[, E2...]]
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
@@ -829,7 +945,7 @@
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
  * Override with M201
- *                                      X, Y, Z, E0 [, E1[, E2...]]
+ *                                      X, Y, Z [, I [, J [, K]]], E0 [, E1[, E2...]]
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
@@ -863,6 +979,9 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+  //#define DEFAULT_IJERK  0.3
+  //#define DEFAULT_JJERK  0.3
+  //#define DEFAULT_KJERK  0.3
 
   //#define TRAVEL_EXTRA_XYJERK 0.0     // Additional jerk allowance for all travel moves
 
@@ -1002,7 +1121,7 @@
 #endif
 
 // Duet Smart Effector (for delta printers) - https://bit.ly/2ul5U7J
-// When the pin is defined you can use M672 to set/reset the probe sensivity.
+// When the pin is defined you can use M672 to set/reset the probe sensitivity.
 //#define DUET_SMART_EFFECTOR
 #if ENABLED(DUET_SMART_EFFECTOR)
   #define SMART_EFFECTOR_MOD_PIN  -1  // Connect a GPIO pin to the Smart Effector MOD pin
@@ -1161,7 +1280,8 @@
   //#define WAIT_FOR_HOTEND         // Wait for hotend to heat back up between probes (to improve accuracy & prevent cold extrude)
 #endif
 //#define PROBING_FANS_OFF          // Turn fans off when probing
-//#define PROBING_STEPPERS_OFF      // Turn steppers off (unless needed to hold position) when probing
+//#define PROBING_ESTEPPERS_OFF     // Turn all extruder steppers off when probing
+//#define PROBING_STEPPERS_OFF      // Turn all steppers off (unless needed to hold position) when probing (including extruders)
 //#define DELAY_BEFORE_PROBING 200  // (ms) To prevent vibrations from triggering piezo sensors
 
 // Require minimum nozzle and/or bed temperature for probing
@@ -1177,12 +1297,18 @@
 #define Y_ENABLE_ON 0
 #define Z_ENABLE_ON 0
 #define E_ENABLE_ON 0 // For all extruders
+//#define I_ENABLE_ON 0
+//#define J_ENABLE_ON 0
+//#define K_ENABLE_ON 0
 
 // Disable axis steppers immediately when they're not being stepped.
 // WARNING: When motors turn off there is a chance of losing position accuracy!
 #define DISABLE_X false
 #define DISABLE_Y false
 #define DISABLE_Z false
+//#define DISABLE_I false
+//#define DISABLE_J false
+//#define DISABLE_K false
 
 // Turn off the display blinking that warns about possible accuracy reduction
 //#define DISABLE_REDUCED_ACCURACY_WARNING
@@ -1198,6 +1324,9 @@
 #define INVERT_X_DIR false
 #define INVERT_Y_DIR true
 #define INVERT_Z_DIR false
+//#define INVERT_I_DIR false
+//#define INVERT_J_DIR false
+//#define INVERT_K_DIR false
 
 // @section extruder
 
@@ -1233,6 +1362,9 @@
 #define X_HOME_DIR -1
 #define Y_HOME_DIR -1
 #define Z_HOME_DIR -1
+//#define I_HOME_DIR -1
+//#define J_HOME_DIR -1
+//#define K_HOME_DIR -1
 
 // @section machine
 
@@ -1247,6 +1379,12 @@
 #define X_MAX_POS X_BED_SIZE
 #define Y_MAX_POS Y_BED_SIZE
 #define Z_MAX_POS 200
+//#define I_MIN_POS 0
+//#define I_MAX_POS 50
+//#define J_MIN_POS 0
+//#define J_MAX_POS 50
+//#define K_MIN_POS 0
+//#define K_MAX_POS 50
 
 /**
  * Software Endstops
@@ -1263,6 +1401,9 @@
   #define MIN_SOFTWARE_ENDSTOP_X
   #define MIN_SOFTWARE_ENDSTOP_Y
   #define MIN_SOFTWARE_ENDSTOP_Z
+  #define MIN_SOFTWARE_ENDSTOP_I
+  #define MIN_SOFTWARE_ENDSTOP_J
+  #define MIN_SOFTWARE_ENDSTOP_K
 #endif
 
 // Max software endstops constrain movement within maximum coordinate bounds
@@ -1271,6 +1412,9 @@
   #define MAX_SOFTWARE_ENDSTOP_X
   #define MAX_SOFTWARE_ENDSTOP_Y
   #define MAX_SOFTWARE_ENDSTOP_Z
+  #define MAX_SOFTWARE_ENDSTOP_I
+  #define MAX_SOFTWARE_ENDSTOP_J
+  #define MAX_SOFTWARE_ENDSTOP_K
 #endif
 
 #if EITHER(MIN_SOFTWARE_ENDSTOPS, MAX_SOFTWARE_ENDSTOPS)
@@ -1582,16 +1726,17 @@
 //#define MANUAL_X_HOME_POS 0
 //#define MANUAL_Y_HOME_POS 0
 //#define MANUAL_Z_HOME_POS 0
+//#define MANUAL_I_HOME_POS 0
+//#define MANUAL_J_HOME_POS 0
+//#define MANUAL_K_HOME_POS 0
 
-// Use "Z Safe Homing" to avoid homing with a Z probe outside the bed area.
-//
-// With this feature enabled:
-//
-// - Allow Z homing only after X and Y homing AND stepper drivers still enabled.
-// - If stepper drivers time out, it will need X and Y homing again before Z homing.
-// - Move the Z probe (or nozzle) to a defined XY point before Z Homing.
-// - Prevent Z homing when the Z probe is outside bed area.
-//
+/**
+ * Use "Z Safe Homing" to avoid homing with a Z probe outside the bed area.
+ *
+ * - Moves the Z probe (or nozzle) to a defined XY point before Z homing.
+ * - Allows Z homing only when XY positions are known and trusted.
+ * - If stepper drivers sleep, XY homing may be required again before Z homing.
+ */
 //#define Z_SAFE_HOMING
 
 #if ENABLED(Z_SAFE_HOMING)
@@ -1824,11 +1969,20 @@
 /**
  * Print Job Timer
  *
- * Automatically start and stop the print job timer on M104/M109/M190.
+ * Automatically start and stop the print job timer on M104/M109/M140/M190/M141/M191.
+ * The print job timer will only be stopped if the bed/chamber target temp is
+ * below BED_MINTEMP/CHAMBER_MINTEMP.
  *
- *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
- *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
- *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *   M104 (hotend, no wait)  - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)     - high temp = start timer, low temp = stop timer
+ *   M140 (bed, no wait)     - high temp = none,        low temp = stop timer
+ *   M190 (bed, wait)        - high temp = start timer, low temp = none
+ *   M141 (chamber, no wait) - high temp = none,        low temp = stop timer
+ *   M191 (chamber, wait)    - high temp = start timer, low temp = none
+ *
+ * For M104/M109, high temp is anything over EXTRUDE_MINTEMP / 2.
+ * For M140/M190, high temp is anything over BED_MINTEMP.
+ * For M141/M191, high temp is anything over CHAMBER_MINTEMP.
  *
  * The timer can also be controlled with the following commands:
  *
@@ -1897,10 +2051,10 @@
  *
  * Select the language to display on the LCD. These languages are available:
  *
- *   en, an, bg, ca, cz, da, de, el, el_gr, es, eu, fi, fr, gl, hr, hu, it,
+ *   en, an, bg, ca, cz, da, de, el, el_CY, es, eu, fi, fr, gl, hr, hu, it,
  *   jp_kana, ko_KR, nl, pl, pt, pt_br, ro, ru, sk, sv, tr, uk, vi, zh_CN, zh_TW
  *
- * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cz':'Czech', 'da':'Danish', 'de':'German', 'el':'Greek', 'el_gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'hu':'Hungarian', 'it':'Italian', 'jp_kana':'Japanese', 'ko_KR':'Korean (South Korea)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt_br':'Portuguese (Brazilian)', 'ro':'Romanian', 'ru':'Russian', 'sk':'Slovak', 'sv':'Swedish', 'tr':'Turkish', 'uk':'Ukrainian', 'vi':'Vietnamese', 'zh_CN':'Chinese (Simplified)', 'zh_TW':'Chinese (Traditional)' }
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cz':'Czech', 'da':'Danish', 'de':'German', 'el':'Greek (Greece)', 'el_CY':'Greek (Cyprus)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'hu':'Hungarian', 'it':'Italian', 'jp_kana':'Japanese', 'ko_KR':'Korean (South Korea)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt_br':'Portuguese (Brazilian)', 'ro':'Romanian', 'ru':'Russian', 'sk':'Slovak', 'sv':'Swedish', 'tr':'Turkish', 'uk':'Ukrainian', 'vi':'Vietnamese', 'zh_CN':'Chinese (Simplified)', 'zh_TW':'Chinese (Traditional)' }
  */
 #define LCD_LANGUAGE en
 
@@ -2012,6 +2166,7 @@
 // Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
 //
 //#define INDIVIDUAL_AXIS_HOMING_MENU
+//#define INDIVIDUAL_AXIS_HOMING_SUBMENU
 
 //
 // SPEAKER/BUZZER
@@ -2268,6 +2423,11 @@
 //
 //#define MKS_MINI_12864
 
+//
+// MKS MINI12864 V3 is an alias for FYSETC_MINI_12864_2_1. Type A/B. NeoPixel RGB Backlight.
+//
+//#define MKS_MINI_12864_V3
+
 //
 // MKS LCD12864A/B with graphic controller and SD support. Follows MKS_MINI_12864 pinout.
 // https://www.aliexpress.com/item/33018110072.html
@@ -2388,12 +2548,39 @@
 // DGUS Touch Display with DWIN OS. (Choose one.)
 // ORIGIN : https://www.aliexpress.com/item/32993409517.html
 // FYSETC : https://www.aliexpress.com/item/32961471929.html
+// MKS    : https://www.aliexpress.com/item/1005002008179262.html
+//
+// Flash display with DGUS Displays for Marlin:
+//  - Format the SD card to FAT32 with an allocation size of 4kb.
+//  - Download files as specified for your type of display.
+//  - Plug the microSD card into the back of the display.
+//  - Boot the display and wait for the update to complete.
+//
+// ORIGIN (Marlin DWIN_SET)
+//  - Download https://github.com/coldtobi/Marlin_DGUS_Resources
+//  - Copy the downloaded DWIN_SET folder to the SD card.
+//
+// FYSETC (Supplier default)
+//  - Download https://github.com/FYSETC/FYSTLCD-2.0
+//  - Copy the downloaded SCREEN folder to the SD card.
+//
+// HIPRECY (Supplier default)
+//  - Download https://github.com/HiPrecy/Touch-Lcd-LEO
+//  - Copy the downloaded DWIN_SET folder to the SD card.
+//
+// MKS (MKS-H43) (Supplier default)
+//  - Download https://github.com/makerbase-mks/MKS-H43
+//  - Copy the downloaded DWIN_SET folder to the SD card.
+//
+// RELOADED (T5UID1)
+//  - Download https://github.com/Desuuuu/DGUS-reloaded/releases
+//  - Copy the downloaded DWIN_SET folder to the SD card.
 //
 //#define DGUS_LCD_UI_ORIGIN
 //#define DGUS_LCD_UI_FYSETC
 //#define DGUS_LCD_UI_HIPRECY
-
 //#define DGUS_LCD_UI_MKS
+//#define DGUS_LCD_UI_RELOADED
 #if ENABLED(DGUS_LCD_UI_MKS)
   #define USE_MKS_GREEN_UI
 #endif
@@ -2536,6 +2723,7 @@
   //#define TFT_RES_320x240
   //#define TFT_RES_480x272
   //#define TFT_RES_480x320
+  //#define TFT_RES_1024x600
 #endif
 
 /**
@@ -2575,6 +2763,22 @@
 //
 //#define DWIN_CREALITY_LCD
 
+//
+// Ender-3 v2 OEM display, enhanced.
+//
+//#define DWIN_CREALITY_LCD_ENHANCED
+
+//
+// Ender-3 v2 OEM display with enhancements by Jacob Myers
+//
+//#define DWIN_CREALITY_LCD_JYERSUI
+
+//
+// MarlinUI for Creality's DWIN display (and others)
+//
+//#define DWIN_MARLINUI_PORTRAIT
+//#define DWIN_MARLINUI_LANDSCAPE
+
 //
 // Touch Screen Settings
 //
@@ -2583,6 +2787,8 @@
   #define BUTTON_DELAY_EDIT  50 // (ms) Button repeat delay for edit screens
   #define BUTTON_DELAY_MENU 250 // (ms) Button repeat delay for menus
 
+  //#define TOUCH_IDLE_SLEEP 300 // (secs) Turn off the TFT backlight if set (5mn)
+
   #define TOUCH_SCREEN_CALIBRATION
 
   //#define TOUCH_CALIBRATION_X 12316
@@ -2737,9 +2943,9 @@
  * Set this manually if there are extra servos needing manual control.
  * Set to 0 to turn off servo support.
  */
-//#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
+//#define NUM_SERVOS 3 // Note: Servo index starts with 0 for M280-M282 commands
 
-// (ms) Delay  before the next move will start, to give the servo time to reach its target angle.
+// (ms) Delay before the next move will start, to give the servo time to reach its target angle.
 // 300ms is a good value but you can try less delay.
 // If the servo can't reach the requested position, increase it.
 #define SERVO_DELAY { 300 }
@@ -2749,3 +2955,6 @@
 
 // Edit servo angles with M281 and save to EEPROM with M500
 //#define EDITABLE_SERVO_ANGLES
+
+// Disable servo with M282 to reduce power consumption, noise, and heat when not in use
+//#define SERVO_DETACH_GCODE

Marlin/Configuration_adv.h

@@ -30,7 +30,7 @@
  *
  * Basic settings can be found in Configuration.h
  */
-#define CONFIGURATION_ADV_H_VERSION 02000801
+#define CONFIGURATION_ADV_H_VERSION 02000902
 
 //===========================================================================
 //============================= Thermal Settings ============================
@@ -125,10 +125,33 @@
   #define PROBE_BETA                   3950    // Beta value
 #endif
 
-//
-// Hephestos 2 24V heated bed upgrade kit.
-// https://store.bq.com/en/heated-bed-kit-hephestos2
-//
+#if TEMP_SENSOR_BOARD == 1000
+  #define BOARD_PULLUP_RESISTOR_OHMS   4700    // Pullup resistor
+  #define BOARD_RESISTANCE_25C_OHMS    100000  // Resistance at 25C
+  #define BOARD_BETA                   3950    // Beta value
+#endif
+
+#if TEMP_SENSOR_REDUNDANT == 1000
+  #define REDUNDANT_PULLUP_RESISTOR_OHMS   4700    // Pullup resistor
+  #define REDUNDANT_RESISTANCE_25C_OHMS    100000  // Resistance at 25C
+  #define REDUNDANT_BETA                   3950    // Beta value
+#endif
+
+/**
+ * Configuration options for MAX Thermocouples (-2, -3, -5).
+ *   FORCE_HW_SPI:   Ignore SCK/MOSI/MISO pins and just use the CS pin & default SPI bus.
+ *   MAX31865_WIRES: Set the number of wires for the probe connected to a MAX31865 board, 2-4. Default: 2
+ *   MAX31865_50HZ:  Enable 50Hz filter instead of the default 60Hz.
+ */
+//#define TEMP_SENSOR_FORCE_HW_SPI
+//#define MAX31865_SENSOR_WIRES_0 2
+//#define MAX31865_SENSOR_WIRES_1 2
+//#define MAX31865_50HZ_FILTER
+
+/**
+ * Hephestos 2 24V heated bed upgrade kit.
+ * https://store.bq.com/en/heated-bed-kit-hephestos2
+ */
 //#define HEPHESTOS2_HEATED_BED_KIT
 #if ENABLED(HEPHESTOS2_HEATED_BED_KIT)
   #undef TEMP_SENSOR_BED
@@ -196,7 +219,7 @@
   #define COOLER_MAXTEMP          26  // (°C)
   #define COOLER_DEFAULT_TEMP     16  // (°C)
   #define TEMP_COOLER_HYSTERESIS   1  // (°C) Temperature proximity considered "close enough" to the target
-  #define COOLER_PIN               8  // Laser cooler on/off pin used to control power to the cooling element e.g. TEC, External chiller via relay
+  #define COOLER_PIN               8  // Laser cooler on/off pin used to control power to the cooling element (e.g., TEC, External chiller via relay)
   #define COOLER_INVERTING     false
   #define TEMP_COOLER_PIN         15  // Laser/Cooler temperature sensor pin. ADC is required.
   #define COOLER_FAN                  // Enable a fan on the cooler, Fan# 0,1,2,3 etc.
@@ -207,6 +230,18 @@
   #endif
 #endif
 
+//
+// Motherboard Sensor options
+//
+#if TEMP_SENSOR_BOARD
+  #define THERMAL_PROTECTION_BOARD   // Halt the printer if the board sensor leaves the temp range below.
+  #define BOARD_MINTEMP           8  // (°C)
+  #define BOARD_MAXTEMP          70  // (°C)
+  #ifndef TEMP_BOARD_PIN
+    //#define TEMP_BOARD_PIN -1      // Board temp sensor pin, if not set in pins file.
+  #endif
+#endif
+
 //
 // Laser Coolant Flow Meter
 //
@@ -463,16 +498,20 @@
  */
 //#define USE_CONTROLLER_FAN
 #if ENABLED(USE_CONTROLLER_FAN)
-  //#define CONTROLLER_FAN_PIN -1        // Set a custom pin for the controller fan
-  //#define CONTROLLER_FAN_USE_Z_ONLY    // With this option only the Z axis is considered
-  //#define CONTROLLER_FAN_IGNORE_Z      // Ignore Z stepper. Useful when stepper timeout is disabled.
-  #define CONTROLLERFAN_SPEED_MIN      0 // (0-255) Minimum speed. (If set below this value the fan is turned off.)
-  #define CONTROLLERFAN_SPEED_ACTIVE 255 // (0-255) Active speed, used when any motor is enabled
-  #define CONTROLLERFAN_SPEED_IDLE     0 // (0-255) Idle speed, used when motors are disabled
-  #define CONTROLLERFAN_IDLE_TIME     60 // (seconds) Extra time to keep the fan running after disabling motors
-  //#define CONTROLLER_FAN_EDITABLE      // Enable M710 configurable settings
+  //#define CONTROLLER_FAN_PIN -1           // Set a custom pin for the controller fan
+  //#define CONTROLLER_FAN_USE_Z_ONLY       // With this option only the Z axis is considered
+  //#define CONTROLLER_FAN_IGNORE_Z         // Ignore Z stepper. Useful when stepper timeout is disabled.
+  #define CONTROLLERFAN_SPEED_MIN         0 // (0-255) Minimum speed. (If set below this value the fan is turned off.)
+  #define CONTROLLERFAN_SPEED_ACTIVE    255 // (0-255) Active speed, used when any motor is enabled
+  #define CONTROLLERFAN_SPEED_IDLE        0 // (0-255) Idle speed, used when motors are disabled
+  #define CONTROLLERFAN_IDLE_TIME        60 // (seconds) Extra time to keep the fan running after disabling motors
+
+  // Use TEMP_SENSOR_BOARD as a trigger for enabling the controller fan
+  //#define CONTROLLER_FAN_MIN_BOARD_TEMP 40  // (°C) Turn on the fan if the board reaches this temperature
+
+  //#define CONTROLLER_FAN_EDITABLE         // Enable M710 configurable settings
   #if ENABLED(CONTROLLER_FAN_EDITABLE)
-    #define CONTROLLER_FAN_MENU          // Enable the Controller Fan submenu
+    #define CONTROLLER_FAN_MENU             // Enable the Controller Fan submenu
   #endif
 #endif
 
@@ -526,6 +565,11 @@
   //#define USE_OCR2A_AS_TOP
 #endif
 
+/**
+ * Use one of the PWM fans as a redundant part-cooling fan
+ */
+//#define REDUNDANT_PART_COOLING_FAN 2  // Index of the fan to sync with FAN 0.
+
 // @section extruder
 
 /**
@@ -671,6 +715,12 @@
   #endif
 #endif
 
+// Drive the E axis with two synchronized steppers
+//#define E_DUAL_STEPPER_DRIVERS
+#if ENABLED(E_DUAL_STEPPER_DRIVERS)
+  //#define INVERT_E1_VS_E0_DIR   // Enable if the E motors need opposite DIR states
+#endif
+
 /**
  * Dual X Carriage
  *
@@ -734,7 +784,7 @@
  * the position of the toolhead relative to the workspace.
  */
 
-//#define SENSORLESS_BACKOFF_MM  { 2, 2 }     // (mm) Backoff from endstops before sensorless homing
+//#define SENSORLESS_BACKOFF_MM  { 2, 2, 0 }  // (mm) Backoff from endstops before sensorless homing
 
 #define HOMING_BUMP_MM      { 5, 5, 2 }       // (mm) Backoff from endstops after first bump
 #define HOMING_BUMP_DIVISOR { 2, 2, 4 }       // Re-Bump Speed Divisor (Divides the Homing Feedrate)
@@ -918,6 +968,9 @@
 #define INVERT_X_STEP_PIN false
 #define INVERT_Y_STEP_PIN false
 #define INVERT_Z_STEP_PIN false
+#define INVERT_I_STEP_PIN false
+#define INVERT_J_STEP_PIN false
+#define INVERT_K_STEP_PIN false
 #define INVERT_E_STEP_PIN false
 
 /**
@@ -929,6 +982,9 @@
 #define DISABLE_INACTIVE_X true
 #define DISABLE_INACTIVE_Y true
 #define DISABLE_INACTIVE_Z true  // Set 'false' if the nozzle could fall onto your printed part!
+#define DISABLE_INACTIVE_I true
+#define DISABLE_INACTIVE_J true
+#define DISABLE_INACTIVE_K true
 #define DISABLE_INACTIVE_E true
 
 // Default Minimum Feedrates for printing and travel moves
@@ -969,7 +1025,7 @@
 #if ENABLED(BACKLASH_COMPENSATION)
   // Define values for backlash distance and correction.
   // If BACKLASH_GCODE is enabled these values are the defaults.
-  #define BACKLASH_DISTANCE_MM { 0, 0, 0 } // (mm)
+  #define BACKLASH_DISTANCE_MM { 0, 0, 0 } // (mm) One value for each linear axis
   #define BACKLASH_CORRECTION    0.0       // 0.0 = no correction; 1.0 = full correction
 
   // Add steps for motor direction changes on CORE kinematics
@@ -1040,6 +1096,13 @@
   #define CALIBRATION_MEASURE_LEFT
   #define CALIBRATION_MEASURE_BACK
 
+  //#define CALIBRATION_MEASURE_IMIN
+  //#define CALIBRATION_MEASURE_IMAX
+  //#define CALIBRATION_MEASURE_JMIN
+  //#define CALIBRATION_MEASURE_JMAX
+  //#define CALIBRATION_MEASURE_KMIN
+  //#define CALIBRATION_MEASURE_KMAX
+
   // Probing at the exact top center only works if the center is flat. If
   // probing on a screwhead or hollow washer, probe near the edges.
   //#define CALIBRATION_MEASURE_AT_TOP_EDGES
@@ -1133,7 +1196,7 @@
 
 // @section lcd
 
-#if EITHER(IS_ULTIPANEL, EXTENSIBLE_UI)
+#if ANY(HAS_LCD_MENU, EXTENSIBLE_UI, HAS_DWIN_E3V2)
   #define MANUAL_FEEDRATE { 50*60, 50*60, 4*60, 2*60 } // (mm/min) Feedrates for manual moves along X, Y, Z, E from panel
   #define FINE_MANUAL_MOVE 0.025    // (mm) Smallest manual move (< 0.1mm) applying to Z on most machines
   #if IS_ULTIPANEL
@@ -1241,11 +1304,14 @@
   //#define LCD_SHOW_E_TOTAL
 #endif
 
-#if EITHER(SDSUPPORT, LCD_SET_PROGRESS_MANUALLY) && ANY(HAS_MARLINUI_U8GLIB, HAS_MARLINUI_HD44780, IS_TFTGLCD_PANEL, EXTENSIBLE_UI)
-  //#define SHOW_REMAINING_TIME       // Display estimated time to completion
-  #if ENABLED(SHOW_REMAINING_TIME)
-    //#define USE_M73_REMAINING_TIME  // Use remaining time from M73 command instead of estimation
-    //#define ROTATE_PROGRESS_DISPLAY // Display (P)rogress, (E)lapsed, and (R)emaining time
+// LCD Print Progress options
+#if EITHER(SDSUPPORT, LCD_SET_PROGRESS_MANUALLY)
+  #if ANY(HAS_MARLINUI_U8GLIB, EXTENSIBLE_UI, HAS_MARLINUI_HD44780, IS_TFTGLCD_PANEL, IS_DWIN_MARLINUI)
+    //#define SHOW_REMAINING_TIME         // Display estimated time to completion
+    #if ENABLED(SHOW_REMAINING_TIME)
+      //#define USE_M73_REMAINING_TIME    // Use remaining time from M73 command instead of estimation
+      //#define ROTATE_PROGRESS_DISPLAY   // Display (P)rogress, (E)lapsed, and (R)emaining time
+    #endif
   #endif
 
   #if EITHER(HAS_MARLINUI_U8GLIB, EXTENSIBLE_UI)
@@ -1513,16 +1579,10 @@
  * printing performance versus fast display updates.
  */
 #if HAS_MARLINUI_U8GLIB
-  // Show SD percentage next to the progress bar
-  //#define DOGM_SD_PERCENT
-
   // Save many cycles by drawing a hollow frame or no frame on the Info Screen
   //#define XYZ_NO_FRAME
   #define XYZ_HOLLOW_FRAME
 
-  // Enable to save many cycles by drawing a hollow frame on Menu Screens
-  #define MENU_HOLLOW_FRAME
-
   // A bigger font is available for edit items. Costs 3120 bytes of PROGMEM.
   // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
   //#define USE_BIG_EDIT_FONT
@@ -1531,9 +1591,6 @@
   // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
   //#define USE_SMALL_INFOFONT
 
-  // Swap the CW/CCW indicators in the graphics overlay
-  //#define OVERLAY_GFX_REVERSE
-
   /**
    * ST7920-based LCDs can emulate a 16 x 4 character display using
    * the ST7920 character-generator for very fast screen updates.
@@ -1564,7 +1621,7 @@
    */
   //#define STATUS_COMBINE_HEATERS    // Use combined heater images instead of separate ones
   //#define STATUS_HOTEND_NUMBERLESS  // Use plain hotend icons instead of numbered ones (with 2+ hotends)
-  #define STATUS_HOTEND_INVERTED      // Show solid nozzle bitmaps when heating (Requires STATUS_HOTEND_ANIM)
+  #define STATUS_HOTEND_INVERTED      // Show solid nozzle bitmaps when heating (Requires STATUS_HOTEND_ANIM for numbered hotends)
   #define STATUS_HOTEND_ANIM          // Use a second bitmap to indicate hotend heating
   #define STATUS_BED_ANIM             // Use a second bitmap to indicate bed heating
   #define STATUS_CHAMBER_ANIM         // Use a second bitmap to indicate chamber heating
@@ -1585,6 +1642,17 @@
 
 #endif // HAS_MARLINUI_U8GLIB
 
+#if HAS_MARLINUI_U8GLIB || IS_DWIN_MARLINUI
+  // Show SD percentage next to the progress bar
+  //#define SHOW_SD_PERCENT
+
+  // Enable to save many cycles by drawing a hollow frame on Menu Screens
+  #define MENU_HOLLOW_FRAME
+
+  // Swap the CW/CCW indicators in the graphics overlay
+  //#define OVERLAY_GFX_REVERSE
+#endif
+
 //
 // Additional options for DGUS / DWIN displays
 //
@@ -1650,7 +1718,7 @@
 //
 // Specify additional languages for the UI. Default specified by LCD_LANGUAGE.
 //
-#if ANY(DOGLCD, TFT_COLOR_UI, TOUCH_UI_FTDI_EVE)
+#if ANY(DOGLCD, TFT_COLOR_UI, TOUCH_UI_FTDI_EVE, IS_DWIN_MARLINUI)
   //#define LCD_LANGUAGE_2 fr
   //#define LCD_LANGUAGE_3 de
   //#define LCD_LANGUAGE_4 es
@@ -1669,7 +1737,7 @@
   //#define LCD_4DSYSTEMS_4DLCD_FT843 // 4D Systems 4.3" (480x272)
   //#define LCD_HAOYU_FT800CB         // Haoyu with 4.3" or 5" (480x272)
   //#define LCD_HAOYU_FT810CB         // Haoyu with 5" (800x480)
-  //#define LCD_ALEPHOBJECTS_CLCD_UI  // Aleph Objects Color LCD UI
+  //#define LCD_LULZBOT_CLCD_UI       // LulzBot Color LCD UI
   //#define LCD_FYSETC_TFT81050       // FYSETC with 5" (800x480)
   //#define LCD_EVE3_50G              // Matrix Orbital 5.0", 800x480, BT815
   //#define LCD_EVE2_50G              // Matrix Orbital 5.0", 800x480, FT813
@@ -1680,8 +1748,8 @@
   //#define TOUCH_UI_800x480
 
   // Mappings for boards with a standard RepRapDiscount Display connector
-  //#define AO_EXP1_PINMAP      // AlephObjects CLCD UI EXP1 mapping
-  //#define AO_EXP2_PINMAP      // AlephObjects CLCD UI EXP2 mapping
+  //#define AO_EXP1_PINMAP      // LulzBot CLCD UI EXP1 mapping
+  //#define AO_EXP2_PINMAP      // LulzBot CLCD UI EXP2 mapping
   //#define CR10_TFT_PINMAP     // Rudolph Riedel's CR10 pin mapping
   //#define S6_TFT_PINMAP       // FYSETC S6 pin mapping
   //#define F6_TFT_PINMAP       // FYSETC F6 pin mapping
@@ -1942,30 +2010,30 @@
     //#define USE_TEMP_EXT_COMPENSATION
 
     // Probe temperature calibration generates a table of values starting at PTC_SAMPLE_START
-    // (e.g. 30), in steps of PTC_SAMPLE_RES (e.g. 5) with PTC_SAMPLE_COUNT (e.g. 10) samples.
+    // (e.g., 30), in steps of PTC_SAMPLE_RES (e.g., 5) with PTC_SAMPLE_COUNT (e.g., 10) samples.
 
-    //#define PTC_SAMPLE_START  30.0f
-    //#define PTC_SAMPLE_RES    5.0f
-    //#define PTC_SAMPLE_COUNT  10U
+    //#define PTC_SAMPLE_START  30  // (°C)
+    //#define PTC_SAMPLE_RES     5  // (°C)
+    //#define PTC_SAMPLE_COUNT  10
 
     // Bed temperature calibration builds a similar table.
 
-    //#define BTC_SAMPLE_START  60.0f
-    //#define BTC_SAMPLE_RES    5.0f
-    //#define BTC_SAMPLE_COUNT  10U
+    //#define BTC_SAMPLE_START  60  // (°C)
+    //#define BTC_SAMPLE_RES     5  // (°C)
+    //#define BTC_SAMPLE_COUNT  10
 
     // The temperature the probe should be at while taking measurements during bed temperature
     // calibration.
-    //#define BTC_PROBE_TEMP 30.0f
+    //#define BTC_PROBE_TEMP    30  // (°C)
 
-    // Height above Z=0.0f to raise the nozzle. Lowering this can help the probe to heat faster.
-    // Note: the Z=0.0f offset is determined by the probe offset which can be set using M851.
-    //#define PTC_PROBE_HEATING_OFFSET 0.5f
+    // Height above Z=0.0 to raise the nozzle. Lowering this can help the probe to heat faster.
+    // Note: the Z=0.0 offset is determined by the probe offset which can be set using M851.
+    //#define PTC_PROBE_HEATING_OFFSET 0.5
 
     // Height to raise the Z-probe between heating and taking the next measurement. Some probes
     // may fail to untrigger if they have been triggered for a long time, which can be solved by
     // increasing the height the probe is raised to.
-    //#define PTC_PROBE_RAISE 15U
+    //#define PTC_PROBE_RAISE 15
 
     // If the probe is outside of the defined range, use linear extrapolation using the closest
     // point and the PTC_LINEAR_EXTRAPOLATION'th next point. E.g. if set to 4 it will use data[0]
@@ -1984,20 +2052,23 @@
 //
 // G2/G3 Arc Support
 //
-#define ARC_SUPPORT                 // Disable this feature to save ~3226 bytes
+#define ARC_SUPPORT                   // Requires ~3226 bytes
 #if ENABLED(ARC_SUPPORT)
-  #define MM_PER_ARC_SEGMENT      1 // (mm) Length (or minimum length) of each arc segment
-  //#define ARC_SEGMENTS_PER_R    1 // Max segment length, MM_PER = Min
-  #define MIN_ARC_SEGMENTS       24 // Minimum number of segments in a complete circle
-  //#define ARC_SEGMENTS_PER_SEC 50 // Use feedrate to choose segment length (with MM_PER_ARC_SEGMENT as the minimum)
-  #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
+  #define MIN_ARC_SEGMENT_MM      0.1 // (mm) Minimum length of each arc segment
+  #define MAX_ARC_SEGMENT_MM      1.0 // (mm) Maximum length of each arc segment
+  #define MIN_CIRCLE_SEGMENTS    72   // Minimum number of segments in a complete circle
+  //#define ARC_SEGMENTS_PER_SEC 50   // Use the feedrate to choose the segment length
+  #define N_ARC_CORRECTION       25   // Number of interpolated segments between corrections
+  //#define ARC_P_CIRCLES             // Enable the 'P' parameter to specify complete circles
+  //#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.
-//#define BEZIER_CURVE_SUPPORT
+// G5 Bézier Curve Support with XYZE destination and IJPQ offsets
+//#define BEZIER_CURVE_SUPPORT        // Requires ~2666 bytes
+
+#if EITHER(ARC_SUPPORT, BEZIER_CURVE_SUPPORT)
+  //#define CNC_WORKSPACE_PLANES      // Allow G2/G3/G5 to operate in XY, ZX, or YZ planes
+#endif
 
 /**
  * Direct Stepping
@@ -2080,7 +2151,7 @@
 // @section motion
 
 // The number of linear moves that can be in the planner at once.
-// The value of BLOCK_BUFFER_SIZE must be a power of 2 (e.g. 8, 16, 32)
+// The value of BLOCK_BUFFER_SIZE must be a power of 2 (e.g., 8, 16, 32)
 #if BOTH(SDSUPPORT, DIRECT_STEPPING)
   #define BLOCK_BUFFER_SIZE  8
 #elif ENABLED(SDSUPPORT)
@@ -2236,6 +2307,13 @@
     //#define EVENT_GCODE_AFTER_TOOLCHANGE "G12X"   // Extra G-code to run after tool-change
   #endif
 
+  /**
+   * Extra G-code to run while executing tool-change commands. Can be used to use an additional
+   * stepper motor (I axis, see option LINEAR_AXES in Configuration.h) to drive the tool-changer.
+   */
+  //#define EVENT_GCODE_TOOLCHANGE_T0 "G28 A\nG1 A0" // Extra G-code to run while executing tool-change command T0
+  //#define EVENT_GCODE_TOOLCHANGE_T1 "G1 A10"       // Extra G-code to run while executing tool-change command T1
+
   /**
    * Tool Sensors detect when tools have been picked up or dropped.
    * Requires the pins TOOL_SENSOR1_PIN, TOOL_SENSOR2_PIN, etc.
@@ -2347,6 +2425,8 @@
   #define PAUSE_PARK_NOZZLE_TIMEOUT           45  // (seconds) Time limit before the nozzle is turned off for safety.
   #define FILAMENT_CHANGE_ALERT_BEEPS         10  // Number of alert beeps to play when a response is needed.
   #define PAUSE_PARK_NO_STEPPER_TIMEOUT           // Enable for XYZ steppers to stay powered on during filament change.
+  //#define FILAMENT_CHANGE_RESUME_ON_INSERT      // Automatically continue / load filament when runout sensor is triggered again.
+  //#define PAUSE_REHEAT_FAST_RESUME              // Reduce number of waits by not prompting again post-timeout before continuing.
 
   //#define PARK_HEAD_ON_PAUSE                    // Park the nozzle during pause and filament change.
   //#define HOME_BEFORE_FILAMENT_CHANGE           // If needed, home before parking for filament change
@@ -2413,6 +2493,24 @@
     #define Z4_MICROSTEPS       Z_MICROSTEPS
   #endif
 
+  #if AXIS_DRIVER_TYPE_I(TMC26X)
+    #define I_MAX_CURRENT    1000
+    #define I_SENSE_RESISTOR   91
+    #define I_MICROSTEPS       16
+  #endif
+
+  #if AXIS_DRIVER_TYPE_J(TMC26X)
+    #define J_MAX_CURRENT    1000
+    #define J_SENSE_RESISTOR   91
+    #define J_MICROSTEPS       16
+  #endif
+
+  #if AXIS_DRIVER_TYPE_K(TMC26X)
+    #define K_MAX_CURRENT    1000
+    #define K_SENSE_RESISTOR   91
+    #define K_MICROSTEPS       16
+  #endif
+
   #if AXIS_DRIVER_TYPE_E0(TMC26X)
     #define E0_MAX_CURRENT    1000
     #define E0_SENSE_RESISTOR   91
@@ -2563,6 +2661,33 @@
     //#define Z4_INTERPOLATE true
   #endif
 
+  #if AXIS_IS_TMC(I)
+    #define I_CURRENT      800
+    #define I_CURRENT_HOME I_CURRENT
+    #define I_MICROSTEPS    16
+    #define I_RSENSE         0.11
+    #define I_CHAIN_POS     -1
+    //#define I_INTERPOLATE  true
+  #endif
+
+  #if AXIS_IS_TMC(J)
+    #define J_CURRENT      800
+    #define J_CURRENT_HOME J_CURRENT
+    #define J_MICROSTEPS    16
+    #define J_RSENSE         0.11
+    #define J_CHAIN_POS     -1
+    //#define J_INTERPOLATE  true
+  #endif
+
+  #if AXIS_IS_TMC(K)
+    #define K_CURRENT      800
+    #define K_CURRENT_HOME K_CURRENT
+    #define K_MICROSTEPS    16
+    #define K_RSENSE         0.11
+    #define K_CHAIN_POS     -1
+    //#define K_INTERPOLATE  true
+  #endif
+
   #if AXIS_IS_TMC(E0)
     #define E0_CURRENT      800
     #define E0_MICROSTEPS    16
@@ -2638,6 +2763,10 @@
   //#define Y2_CS_PIN         -1
   //#define Z2_CS_PIN         -1
   //#define Z3_CS_PIN         -1
+  //#define Z4_CS_PIN         -1
+  //#define I_CS_PIN          -1
+  //#define J_CS_PIN          -1
+  //#define K_CS_PIN          -1
   //#define E0_CS_PIN         -1
   //#define E1_CS_PIN         -1
   //#define E2_CS_PIN         -1
@@ -2677,6 +2806,9 @@
   //#define Z2_SLAVE_ADDRESS 0
   //#define Z3_SLAVE_ADDRESS 0
   //#define Z4_SLAVE_ADDRESS 0
+  //#define  I_SLAVE_ADDRESS 0
+  //#define  J_SLAVE_ADDRESS 0
+  //#define  K_SLAVE_ADDRESS 0
   //#define E0_SLAVE_ADDRESS 0
   //#define E1_SLAVE_ADDRESS 0
   //#define E2_SLAVE_ADDRESS 0
@@ -2701,6 +2833,9 @@
    */
   #define STEALTHCHOP_XY
   #define STEALTHCHOP_Z
+  #define STEALTHCHOP_I
+  #define STEALTHCHOP_J
+  #define STEALTHCHOP_K
   #define STEALTHCHOP_E
 
   /**
@@ -2772,6 +2907,9 @@
   #define Z2_HYBRID_THRESHOLD      3
   #define Z3_HYBRID_THRESHOLD      3
   #define Z4_HYBRID_THRESHOLD      3
+  #define I_HYBRID_THRESHOLD       3
+  #define J_HYBRID_THRESHOLD       3
+  #define K_HYBRID_THRESHOLD       3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -2797,7 +2935,7 @@
    *
    * It is recommended to set HOMING_BUMP_MM to { 0, 0, 0 }.
    *
-   * SPI_ENDSTOPS  *** Beta feature! *** TMC2130 Only ***
+   * SPI_ENDSTOPS  *** Beta feature! *** TMC2130/TMC5160 Only ***
    * Poll the driver through SPI to determine load when homing.
    * Removes the need for a wire from DIAG1 to an endstop pin.
    *
@@ -2818,6 +2956,9 @@
     //#define Z2_STALL_SENSITIVITY Z_STALL_SENSITIVITY
     //#define Z3_STALL_SENSITIVITY Z_STALL_SENSITIVITY
     //#define Z4_STALL_SENSITIVITY Z_STALL_SENSITIVITY
+    //#define I_STALL_SENSITIVITY  8
+    //#define J_STALL_SENSITIVITY  8
+    //#define K_STALL_SENSITIVITY  8
     //#define SPI_ENDSTOPS              // TMC2130 only
     //#define IMPROVE_HOMING_RELIABILITY
   #endif
@@ -2958,6 +3099,33 @@
     #define Z4_SLEW_RATE                 1
   #endif
 
+  #if AXIS_DRIVER_TYPE_I(L6470)
+    #define I_MICROSTEPS      128
+    #define I_OVERCURRENT    2000
+    #define I_STALLCURRENT   1500
+    #define I_MAX_VOLTAGE     127
+    #define I_CHAIN_POS        -1
+    #define I_SLEW_RATE         1
+  #endif
+
+  #if AXIS_DRIVER_TYPE_J(L6470)
+    #define J_MICROSTEPS      128
+    #define J_OVERCURRENT    2000
+    #define J_STALLCURRENT   1500
+    #define J_MAX_VOLTAGE     127
+    #define J_CHAIN_POS        -1
+    #define J_SLEW_RATE         1
+  #endif
+
+  #if AXIS_DRIVER_TYPE_K(L6470)
+    #define K_MICROSTEPS      128
+    #define K_OVERCURRENT    2000
+    #define K_STALLCURRENT   1500
+    #define K_MAX_VOLTAGE     127
+    #define K_CHAIN_POS        -1
+    #define K_SLEW_RATE         1
+  #endif
+
   #if AXIS_IS_L64XX(E0)
     #define E0_MICROSTEPS              128
     #define E0_OVERCURRENT            2000
@@ -3157,11 +3325,13 @@
 //#define SPINDLE_FEATURE
 //#define LASER_FEATURE
 #if EITHER(SPINDLE_FEATURE, LASER_FEATURE)
-  #define SPINDLE_LASER_ACTIVE_STATE    LOW    // Set to "HIGH" if the on/off function is active HIGH
-  #define SPINDLE_LASER_PWM             true   // Set to "true" if your controller supports setting the speed/power
-  #define SPINDLE_LASER_PWM_INVERT      false  // Set to "true" if the speed/power goes up when you want it to go slower
+  #define SPINDLE_LASER_ACTIVE_STATE    LOW    // Set to "HIGH" if SPINDLE_LASER_ENA_PIN is active HIGH
 
-  #define SPINDLE_LASER_FREQUENCY       2500   // (Hz) Spindle/laser frequency (only on supported HALs: AVR and LPC)
+  #define SPINDLE_LASER_USE_PWM                // Enable if your controller supports setting the speed/power
+  #if ENABLED(SPINDLE_LASER_USE_PWM)
+    #define SPINDLE_LASER_PWM_INVERT    false  // Set to "true" if the speed/power goes up when you want it to go slower
+    #define SPINDLE_LASER_FREQUENCY     2500   // (Hz) Spindle/laser frequency (only on supported HALs: AVR and LPC)
+  #endif
 
   //#define AIR_EVACUATION                     // Cutter Vacuum / Laser Blower motor control with G-codes M10-M11
   #if ENABLED(AIR_EVACUATION)
@@ -3217,17 +3387,21 @@
      * Speed/Power = (PWMDC / 255 * 100 - SPEED_POWER_INTERCEPT) / SPEED_POWER_SLOPE
      * PWMDC = (spdpwr - SPEED_POWER_MIN) / (SPEED_POWER_MAX - SPEED_POWER_MIN) / SPEED_POWER_SLOPE
      */
-    #define SPEED_POWER_INTERCEPT         0    // (%) 0-100 i.e., Minimum power percentage
-    #define SPEED_POWER_MIN            5000    // (RPM)
-    #define SPEED_POWER_MAX           30000    // (RPM) SuperPID router controller 0 - 30,000 RPM
-    #define SPEED_POWER_STARTUP       25000    // (RPM) M3/M4 speed/power default (with no arguments)
+    #if ENABLED(SPINDLE_LASER_USE_PWM)
+      #define SPEED_POWER_INTERCEPT       0    // (%) 0-100 i.e., Minimum power percentage
+      #define SPEED_POWER_MIN          5000    // (RPM)
+      #define SPEED_POWER_MAX         30000    // (RPM) SuperPID router controller 0 - 30,000 RPM
+      #define SPEED_POWER_STARTUP     25000    // (RPM) M3/M4 speed/power default (with no arguments)
+    #endif
 
   #else
 
-    #define SPEED_POWER_INTERCEPT         0    // (%) 0-100 i.e., Minimum power percentage
-    #define SPEED_POWER_MIN               0    // (%) 0-100
-    #define SPEED_POWER_MAX             100    // (%) 0-100
-    #define SPEED_POWER_STARTUP          80    // (%) M3/M4 speed/power default (with no arguments)
+    #if ENABLED(SPINDLE_LASER_USE_PWM)
+      #define SPEED_POWER_INTERCEPT       0    // (%) 0-100 i.e., Minimum power percentage
+      #define SPEED_POWER_MIN             0    // (%) 0-100
+      #define SPEED_POWER_MAX           100    // (%) 0-100
+      #define SPEED_POWER_STARTUP        80    // (%) M3/M4 speed/power default (with no arguments)
+    #endif
 
     // Define the minimum and maximum test pulse time values for a laser test fire function
     #define LASER_TEST_PULSE_MIN           1   // Used with Laser Control Menu
@@ -3307,8 +3481,18 @@
       #define SPINDLE_LASER_POWERDOWN_DELAY   50 // (ms) Delay to allow the spindle to stop
 
     #endif
+
+    //
+    // Laser I2C Ammeter (High precision INA226 low/high side module)
+    //
+    //#define I2C_AMMETER
+    #if ENABLED(I2C_AMMETER)
+      #define I2C_AMMETER_IMAX            0.1    // (Amps) Calibration value for the expected current range
+      #define I2C_AMMETER_SHUNT_RESISTOR  0.1    // (Ohms) Calibration shunt resistor value
+    #endif
+
   #endif
-#endif
+#endif // SPINDLE_FEATURE || LASER_FEATURE
 
 /**
  * Synchronous Laser Control with M106/M107
@@ -3651,6 +3835,7 @@
  */
 //#define HOST_ACTION_COMMANDS
 #if ENABLED(HOST_ACTION_COMMANDS)
+  //#define HOST_PAUSE_M76
   //#define HOST_PROMPT_SUPPORT
   //#define HOST_START_MENU_ITEM  // Add a menu item that tells the host to start
 #endif
@@ -3740,7 +3925,7 @@
    */
   #define I2CPE_MIN_UPD_TIME_MS     4                       // (ms) Minimum time between encoder checks.
 
-  // Use a rolling average to identify persistant errors that indicate skips, as opposed to vibration and noise.
+  // Use a rolling average to identify persistent errors that indicate skips, as opposed to vibration and noise.
   #define I2CPE_ERR_ROLLING_AVERAGE
 
 #endif // I2C_POSITION_ENCODERS
@@ -4006,6 +4191,14 @@
 // Enable Marlin dev mode which adds some special commands
 //#define MARLIN_DEV_MODE
 
+#if ENABLED(MARLIN_DEV_MODE)
+  /**
+   * D576 - Buffer Monitoring
+   * To help diagnose print quality issues stemming from empty command buffers.
+   */
+  //#define BUFFER_MONITORING
+#endif
+
 /**
  * Postmortem Debugging captures misbehavior and outputs the CPU status and backtrace to serial.
  * When running in the debugger it will break for debugging. This is useful to help understand

Marlin/Makefile

@@ -110,7 +110,7 @@ LIQUID_TWI2        ?= 0
 WIRE               ?= 0
 
 # This defines if Tone is needed (i.e SPEAKER is defined in Configuration.h)
-# Disabling this (and SPEAKER) saves approximatively 350 bytes of memory.
+# Disabling this (and SPEAKER) saves approximately 350 bytes of memory.
 TONE               ?= 1
 
 # This defines if U8GLIB is needed (may require RELOC_WORKAROUND)

Marlin/Version.h

@@ -28,7 +28,7 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "2.0.8.2"
+//#define SHORT_BUILD_VERSION "2.0.9.2"
 
 /**
  * Verbose version identifier which should contain a reference to the location
@@ -41,7 +41,7 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
-//#define STRING_DISTRIBUTION_DATE "2021-05-29"
+//#define STRING_DISTRIBUTION_DATE "2021-09-03"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.

Marlin/src/HAL/AVR/HAL.h

@@ -39,6 +39,19 @@
 #include <avr/interrupt.h>
 #include <avr/io.h>
 
+//
+// Default graphical display delays
+//
+#if F_CPU >= 20000000
+  #define CPU_ST7920_DELAY_1 150
+  #define CPU_ST7920_DELAY_2   0
+  #define CPU_ST7920_DELAY_3 150
+#elif F_CPU == 16000000
+  #define CPU_ST7920_DELAY_1 125
+  #define CPU_ST7920_DELAY_2   0
+  #define CPU_ST7920_DELAY_3 188
+#endif
+
 #ifndef pgm_read_ptr
   // Compatibility for avr-libc 1.8.0-4.1 included with Ubuntu for
   // Windows Subsystem for Linux on Windows 10 as of 10/18/2019
@@ -186,7 +199,7 @@ inline void HAL_adc_init() {
 #define GET_PIN_MAP_INDEX(pin) pin
 #define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
 
-#define HAL_SENSITIVE_PINS 0, 1
+#define HAL_SENSITIVE_PINS 0, 1,
 
 #ifdef __AVR_AT90USB1286__
   #define JTAG_DISABLE() do{ MCUCR = 0x80; MCUCR = 0x80; }while(0)

Marlin/src/HAL/AVR/HAL_SPI.cpp

@@ -74,7 +74,8 @@ void spiBegin() {
       #elif defined(PRR0)
         PRR0
       #endif
-        , PRSPI);
+      , PRSPI
+    );
 
     SPCR = _BV(SPE) | _BV(MSTR) | (spiRate >> 1);
     SPSR = spiRate & 1 || spiRate == 6 ? 0 : _BV(SPI2X);

Marlin/src/HAL/AVR/MarlinSPI.h

@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <SPI.h>
+
+using MarlinSPI = SPIClass;

Marlin/src/HAL/AVR/endstop_interrupts.h

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

Marlin/src/HAL/AVR/fastio.cpp

@@ -267,11 +267,11 @@ uint16_t set_pwm_frequency_hz(const_float_t hz, const float dca, const float dcb
     SET_WGM(5, FAST_PWM_ICRn);            // Fast PWM with ICR5 as TOP
 
     //SERIAL_ECHOLNPGM("Timer 5 Settings:");
-    //SERIAL_ECHOLNPAIR("  Prescaler=", prescaler);
-    //SERIAL_ECHOLNPAIR("        TOP=", ICR5);
-    //SERIAL_ECHOLNPAIR("      OCR5A=", OCR5A);
-    //SERIAL_ECHOLNPAIR("      OCR5B=", OCR5B);
-    //SERIAL_ECHOLNPAIR("      OCR5C=", OCR5C);
+    //SERIAL_ECHOLNPGM("  Prescaler=", prescaler);
+    //SERIAL_ECHOLNPGM("        TOP=", ICR5);
+    //SERIAL_ECHOLNPGM("      OCR5A=", OCR5A);
+    //SERIAL_ECHOLNPGM("      OCR5B=", OCR5B);
+    //SERIAL_ECHOLNPGM("      OCR5C=", OCR5C);
   }
   else {
     // Restore the default for Timer 5

Marlin/src/HAL/AVR/fastio.h

@@ -284,7 +284,7 @@ enum ClockSource2 : char {
  * PWM availability macros
  */
 
-// Determine which harware PWMs are already in use
+// Determine which hardware PWMs are already in use
 #define _PWM_CHK_FAN_B(P) (P == E0_AUTO_FAN_PIN || P == E1_AUTO_FAN_PIN || P == E2_AUTO_FAN_PIN || P == E3_AUTO_FAN_PIN || P == E4_AUTO_FAN_PIN || P == E5_AUTO_FAN_PIN || P == E6_AUTO_FAN_PIN || P == E7_AUTO_FAN_PIN || P == CHAMBER_AUTO_FAN_PIN || P == COOLER_AUTO_FAN_PIN)
 #if PIN_EXISTS(CONTROLLER_FAN)
   #define PWM_CHK_FAN_B(P) (_PWM_CHK_FAN_B(P) || P == CONTROLLER_FAN_PIN)

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

@@ -35,7 +35,7 @@
 /**
  * Sanity checks for Spindle / Laser PWM
  */
-#if ENABLED(SPINDLE_LASER_PWM)
+#if ENABLED(SPINDLE_LASER_USE_PWM)
   #include "../ServoTimers.h"   // Needed to check timer availability (_useTimer3)
   #if SPINDLE_LASER_PWM_PIN == 4 || WITHIN(SPINDLE_LASER_PWM_PIN, 11, 13)
     #error "Counter/Timer for SPINDLE_LASER_PWM_PIN is used by a system interrupt."
@@ -43,7 +43,7 @@
     #error "Counter/Timer for SPINDLE_LASER_PWM_PIN is used by the servo system."
   #endif
 #elif defined(SPINDLE_LASER_FREQUENCY)
-  #error "SPINDLE_LASER_FREQUENCY requires SPINDLE_LASER_PWM."
+  #error "SPINDLE_LASER_FREQUENCY requires SPINDLE_LASER_USE_PWM."
 #endif
 
 /**

Marlin/src/HAL/AVR/pinsDebug.h

@@ -2,6 +2,9 @@
  * Marlin 3D Printer Firmware
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -235,9 +238,9 @@ static void print_is_also_tied() { SERIAL_ECHOPGM(" is also tied to this pin");
 
 inline void com_print(const uint8_t N, const uint8_t Z) {
   const uint8_t *TCCRA = (uint8_t*)TCCR_A(N);
-  SERIAL_ECHOPAIR("    COM", AS_CHAR('0' + N));
+  SERIAL_ECHOPGM("    COM", AS_DIGIT(N));
   SERIAL_CHAR(Z);
-  SERIAL_ECHOPAIR(": ", int((*TCCRA >> (6 - Z * 2)) & 0x03));
+  SERIAL_ECHOPGM(": ", int((*TCCRA >> (6 - Z * 2)) & 0x03));
 }
 
 void timer_prefix(uint8_t T, char L, uint8_t N) {  // T - timer    L - pwm  N - WGM bit layout
@@ -247,7 +250,7 @@ void timer_prefix(uint8_t T, char L, uint8_t N) {  // T - timer    L - pwm  N -
   uint8_t WGM = (((*TCCRB & _BV(WGM_2)) >> 1) | (*TCCRA & (_BV(WGM_0) | _BV(WGM_1))));
   if (N == 4) WGM |= ((*TCCRB & _BV(WGM_3)) >> 1);
 
-  SERIAL_ECHOPAIR("    TIMER", AS_CHAR(T + '0'));
+  SERIAL_ECHOPGM("    TIMER", AS_DIGIT(T));
   SERIAL_CHAR(L);
   SERIAL_ECHO_SP(3);
 
@@ -259,14 +262,14 @@ void timer_prefix(uint8_t T, char L, uint8_t N) {  // T - timer    L - pwm  N -
     const uint16_t *OCRVAL16 = (uint16_t*)OCR_VAL(T, L - 'A');
     PWM_PRINT(*OCRVAL16);
   }
-  SERIAL_ECHOPAIR("    WGM: ", WGM);
+  SERIAL_ECHOPGM("    WGM: ", WGM);
   com_print(T,L);
-  SERIAL_ECHOPAIR("    CS: ", (*TCCRB & (_BV(CS_0) | _BV(CS_1) | _BV(CS_2)) ));
-  SERIAL_ECHOPAIR("    TCCR", AS_CHAR(T + '0'), "A: ", *TCCRA);
-  SERIAL_ECHOPAIR("    TCCR", AS_CHAR(T + '0'), "B: ", *TCCRB);
+  SERIAL_ECHOPGM("    CS: ", (*TCCRB & (_BV(CS_0) | _BV(CS_1) | _BV(CS_2)) ));
+  SERIAL_ECHOPGM("    TCCR", AS_DIGIT(T), "A: ", *TCCRA);
+  SERIAL_ECHOPGM("    TCCR", AS_DIGIT(T), "B: ", *TCCRB);
 
   const uint8_t *TMSK = (uint8_t*)TIMSK(T);
-  SERIAL_ECHOPAIR("    TIMSK", AS_CHAR(T + '0'), ": ", *TMSK);
+  SERIAL_ECHOPGM("    TIMSK", AS_DIGIT(T), ": ", *TMSK);
 
   const uint8_t OCIE = L - 'A' + 1;
   if (N == 3) { if (WGM == 0 || WGM == 2 || WGM ==  4 || WGM ==  6) err_is_counter(); }
@@ -393,3 +396,4 @@ static void pwm_details(uint8_t pin) {
 #endif
 
 #define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("%3d "), p); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)

Marlin/src/HAL/AVR/pinsDebug_Teensyduino.h

@@ -2,6 +2,9 @@
  * Marlin 3D Printer Firmware
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or

Marlin/src/HAL/AVR/pinsDebug_plus_70.h

@@ -2,6 +2,9 @@
  * Marlin 3D Printer Firmware
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or

Marlin/src/HAL/AVR/u8g_com_HAL_AVR_sw_spi.cpp

@@ -62,10 +62,10 @@
 #include "../shared/Marduino.h"
 #include "../shared/Delay.h"
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 
-uint8_t u8g_bitData, u8g_bitNotData, u8g_bitClock, u8g_bitNotClock;
-volatile uint8_t *u8g_outData, *u8g_outClock;
+static uint8_t u8g_bitData, u8g_bitNotData, u8g_bitClock, u8g_bitNotClock;
+static volatile uint8_t *u8g_outData, *u8g_outClock;
 
 static void u8g_com_arduino_init_shift_out(uint8_t dataPin, uint8_t clockPin) {
   u8g_outData = portOutputRegister(digitalPinToPort(dataPin));

Marlin/src/HAL/DUE/HAL_SPI.cpp

@@ -240,7 +240,7 @@
   }
 
   // all the others
-  static uint32_t spiDelayCyclesX4 = 4 * (F_CPU) / 1000000; // 4µs => 125khz
+  static uint16_t spiDelayNS = 4000; // 4000ns => 125khz
 
   static uint8_t spiTransferX(uint8_t b) { // using Mode 0
     int bits = 8;
@@ -249,12 +249,12 @@
       b <<= 1; // little setup time
 
       WRITE(SD_SCK_PIN, HIGH);
-      DELAY_CYCLES(spiDelayCyclesX4);
+      DELAY_NS(spiDelayNS);
 
       b |= (READ(SD_MISO_PIN) != 0);
 
       WRITE(SD_SCK_PIN, LOW);
-      DELAY_CYCLES(spiDelayCyclesX4);
+      DELAY_NS(spiDelayNS);
     } while (--bits);
     return b;
   }
@@ -437,7 +437,7 @@
     } while (--todo);
   }
 
-  // Pointers to generic functions for block tranfers
+  // Pointers to generic functions for block transfers
   static pfnSpiTxBlock spiTxBlock = (pfnSpiTxBlock)spiTxBlockX;
   static pfnSpiRxBlock spiRxBlock = (pfnSpiRxBlock)spiRxBlockX;
 
@@ -510,7 +510,7 @@
         spiRxBlock = (pfnSpiRxBlock)spiRxBlockX;
         break;
       default:
-        spiDelayCyclesX4 = ((F_CPU) / 1000000) >> (6 - spiRate) << 2; // spiRate of 2 gives the maximum error with current CPU
+        spiDelayNS = 4000 >> (6 - spiRate); // spiRate of 2 gives the maximum error with current CPU
         spiTransferTx = (pfnSpiTransfer)spiTransferX;
         spiTransferRx = (pfnSpiTransfer)spiTransferX;
         spiTxBlock = (pfnSpiTxBlock)spiTxBlockX;
@@ -594,18 +594,14 @@
       SPI_Configure(SPI0, ID_SPI0, SPI_MR_MSTR | SPI_MR_MODFDIS | SPI_MR_PS);
       SPI_Enable(SPI0);
 
-      SET_OUTPUT(DAC0_SYNC);
+      SET_OUTPUT(DAC0_SYNC_PIN);
       #if HAS_MULTI_EXTRUDER
-        SET_OUTPUT(DAC1_SYNC);
-        WRITE(DAC1_SYNC, HIGH);
+        OUT_WRITE(DAC1_SYNC_PIN, HIGH);
       #endif
-      SET_OUTPUT(SPI_EEPROM1_CS);
-      SET_OUTPUT(SPI_EEPROM2_CS);
-      SET_OUTPUT(SPI_FLASH_CS);
-      WRITE(DAC0_SYNC, HIGH);
-      WRITE(SPI_EEPROM1_CS, HIGH);
-      WRITE(SPI_EEPROM2_CS, HIGH);
-      WRITE(SPI_FLASH_CS, HIGH);
+      WRITE(DAC0_SYNC_PIN, HIGH);
+      OUT_WRITE(SPI_EEPROM1_CS_PIN, HIGH);
+      OUT_WRITE(SPI_EEPROM2_CS_PIN, HIGH);
+      OUT_WRITE(SPI_FLASH_CS_PIN, HIGH);
       WRITE(SD_SS_PIN, HIGH);
 
       OUT_WRITE(SDSS, LOW);

Marlin/src/HAL/DUE/MarlinSPI.h

@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <SPI.h>
+
+using MarlinSPI = SPIClass;

Marlin/src/HAL/DUE/dogm/u8g_com_HAL_DUE_shared_hw_spi.cpp

@@ -20,7 +20,6 @@
  *
  */
 
-
 /**
  * Based on u8g_com_msp430_hw_spi.c
  *
@@ -60,7 +59,7 @@
 
 #if HAS_MARLINUI_U8GLIB
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 
 #include "../../../MarlinCore.h"
 

Marlin/src/HAL/DUE/dogm/u8g_com_HAL_DUE_st7920_sw_spi.cpp

@@ -62,7 +62,7 @@
 #include "../../../inc/MarlinConfig.h"
 #include "../../shared/Delay.h"
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 
 #include "u8g_com_HAL_DUE_sw_spi_shared.h"
 

Marlin/src/HAL/DUE/dogm/u8g_com_HAL_DUE_sw_spi.cpp

@@ -64,7 +64,7 @@
 #include "../../shared/Marduino.h"
 #include "../../shared/Delay.h"
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 
 #if ENABLED(FYSETC_MINI_12864)
   #define SPISEND_SW_DUE u8g_spiSend_sw_DUE_mode_3

Marlin/src/HAL/DUE/dogm/u8g_com_HAL_DUE_sw_spi_shared.cpp

@@ -62,7 +62,7 @@
 #include "../../../inc/MarlinConfig.h"
 #include "../../shared/Delay.h"
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 
 #include "u8g_com_HAL_DUE_sw_spi_shared.h"
 

Marlin/src/HAL/DUE/dogm/u8g_com_HAL_DUE_sw_spi_shared.h

@@ -23,7 +23,7 @@
 
 #include "../../../inc/MarlinConfigPre.h"
 #include "../../shared/Marduino.h"
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 
 void u8g_SetPIOutput_DUE(u8g_t *u8g, uint8_t pin_index);
 void u8g_SetPILevel_DUE(u8g_t *u8g, uint8_t pin_index, uint8_t level);

Marlin/src/HAL/DUE/eeprom_flash.cpp

@@ -200,9 +200,9 @@ static bool ee_PageWrite(uint16_t page, const void *data) {
     pageContents[i] = (((uint32_t*)data)[i]) | (~(pageContents[i] ^ ((uint32_t*)data)[i]));
 
   DEBUG_ECHO_START();
-  DEBUG_ECHOLNPAIR("EEPROM PageWrite   ", page);
-  DEBUG_ECHOLNPAIR(" in FLASH address ", (uint32_t)addrflash);
-  DEBUG_ECHOLNPAIR(" base address     ", (uint32_t)getFlashStorage(0));
+  DEBUG_ECHOLNPGM("EEPROM PageWrite   ", page);
+  DEBUG_ECHOLNPGM(" in FLASH address ", (uint32_t)addrflash);
+  DEBUG_ECHOLNPGM(" base address     ", (uint32_t)getFlashStorage(0));
   DEBUG_FLUSH();
 
   // Get the page relative to the start of the EFC controller, and the EFC controller to use
@@ -246,7 +246,7 @@ static bool ee_PageWrite(uint16_t page, const void *data) {
     __enable_irq();
 
     DEBUG_ECHO_START();
-    DEBUG_ECHOLNPAIR("EEPROM Unlock failure for page ", page);
+    DEBUG_ECHOLNPGM("EEPROM Unlock failure for page ", page);
     return false;
   }
 
@@ -271,7 +271,7 @@ static bool ee_PageWrite(uint16_t page, const void *data) {
     __enable_irq();
 
     DEBUG_ECHO_START();
-    DEBUG_ECHOLNPAIR("EEPROM Write failure for page ", page);
+    DEBUG_ECHOLNPGM("EEPROM Write failure for page ", page);
 
     return false;
   }
@@ -287,7 +287,7 @@ static bool ee_PageWrite(uint16_t page, const void *data) {
 
     #ifdef EE_EMU_DEBUG
       DEBUG_ECHO_START();
-      DEBUG_ECHOLNPAIR("EEPROM Verify Write failure for page ", page);
+      DEBUG_ECHOLNPGM("EEPROM Verify Write failure for page ", page);
 
       ee_Dump( page, (uint32_t *)addrflash);
       ee_Dump(-page, data);
@@ -306,7 +306,7 @@ static bool ee_PageWrite(uint16_t page, const void *data) {
           }
         }
       }
-      DEBUG_ECHOLNPAIR("--> Differing bits: ", count);
+      DEBUG_ECHOLNPGM("--> Differing bits: ", count);
     #endif
 
     return false;
@@ -326,9 +326,9 @@ static bool ee_PageErase(uint16_t page) {
   uint32_t addrflash = uint32_t(getFlashStorage(page));
 
   DEBUG_ECHO_START();
-  DEBUG_ECHOLNPAIR("EEPROM PageErase  ", page);
-  DEBUG_ECHOLNPAIR(" in FLASH address ", (uint32_t)addrflash);
-  DEBUG_ECHOLNPAIR(" base address     ", (uint32_t)getFlashStorage(0));
+  DEBUG_ECHOLNPGM("EEPROM PageErase  ", page);
+  DEBUG_ECHOLNPGM(" in FLASH address ", (uint32_t)addrflash);
+  DEBUG_ECHOLNPGM(" base address     ", (uint32_t)getFlashStorage(0));
   DEBUG_FLUSH();
 
   // Get the page relative to the start of the EFC controller, and the EFC controller to use
@@ -371,7 +371,7 @@ static bool ee_PageErase(uint16_t page) {
     __enable_irq();
 
     DEBUG_ECHO_START();
-    DEBUG_ECHOLNPAIR("EEPROM Unlock failure for page ",page);
+    DEBUG_ECHOLNPGM("EEPROM Unlock failure for page ",page);
 
     return false;
   }
@@ -395,7 +395,7 @@ static bool ee_PageErase(uint16_t page) {
     __enable_irq();
 
     DEBUG_ECHO_START();
-    DEBUG_ECHOLNPAIR("EEPROM Erase failure for page ",page);
+    DEBUG_ECHOLNPGM("EEPROM Erase failure for page ",page);
 
     return false;
   }
@@ -411,7 +411,7 @@ static bool ee_PageErase(uint16_t page) {
   for (i = 0; i < PageSize >> 2; i++) {
     if (*aligned_src++ != 0xFFFFFFFF) {
       DEBUG_ECHO_START();
-      DEBUG_ECHOLNPAIR("EEPROM Verify Erase failure for page ",page);
+      DEBUG_ECHOLNPGM("EEPROM Verify Erase failure for page ",page);
       ee_Dump(page, (uint32_t *)addrflash);
       return false;
     }
@@ -922,7 +922,7 @@ static void ee_Init() {
   if (curGroup >= GroupCount) curGroup = 0;
 
   DEBUG_ECHO_START();
-  DEBUG_ECHOLNPAIR("EEPROM Current Group: ",curGroup);
+  DEBUG_ECHOLNPGM("EEPROM Current Group: ",curGroup);
   DEBUG_FLUSH();
 
   // Now, validate that all the other group pages are empty
@@ -932,7 +932,7 @@ static void ee_Init() {
     for (int page = 0; page < PagesPerGroup; page++) {
       if (!ee_IsPageClean(grp * PagesPerGroup + page)) {
         DEBUG_ECHO_START();
-        DEBUG_ECHOLNPAIR("EEPROM Page ", page, " not clean on group ", grp);
+        DEBUG_ECHOLNPGM("EEPROM Page ", page, " not clean on group ", grp);
         DEBUG_FLUSH();
         ee_PageErase(grp * PagesPerGroup + page);
       }
@@ -949,14 +949,14 @@ static void ee_Init() {
   }
 
   DEBUG_ECHO_START();
-  DEBUG_ECHOLNPAIR("EEPROM Active page: ", curPage);
+  DEBUG_ECHOLNPGM("EEPROM Active page: ", curPage);
   DEBUG_FLUSH();
 
   // Make sure the pages following the first clean one are also clean
   for (int page = curPage + 1; page < PagesPerGroup; page++) {
     if (!ee_IsPageClean(curGroup * PagesPerGroup + page)) {
       DEBUG_ECHO_START();
-      DEBUG_ECHOLNPAIR("EEPROM Page ", page, " not clean on active group ", curGroup);
+      DEBUG_ECHOLNPGM("EEPROM Page ", page, " not clean on active group ", curGroup);
       DEBUG_FLUSH();
       ee_Dump(curGroup * PagesPerGroup + page, getFlashStorage(curGroup * PagesPerGroup + page));
       ee_PageErase(curGroup * PagesPerGroup + page);

Marlin/src/HAL/DUE/endstop_interrupts.h

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

Marlin/src/HAL/DUE/pinsDebug.h

@@ -2,6 +2,9 @@
  * Marlin 3D Printer Firmware
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -64,6 +67,7 @@
 #define PRINT_PORT(p)
 #define PRINT_ARRAY_NAME(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0)
 #define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("%02d"), p); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)
 #define GET_ARRAY_PIN(p) pin_array[p].pin
 #define GET_ARRAY_IS_DIGITAL(p) pin_array[p].is_digital
 #define VALID_PIN(pin) (pin >= 0 && pin < (int8_t)NUMBER_PINS_TOTAL ? 1 : 0)
@@ -86,7 +90,7 @@ bool GET_PINMODE(int8_t pin) {  // 1: output, 0: input
 void pwm_details(int32_t pin) {
   if (pwm_status(pin)) {
     uint32_t chan = g_APinDescription[pin].ulPWMChannel;
-    SERIAL_ECHOPAIR("PWM = ", PWM_INTERFACE->PWM_CH_NUM[chan].PWM_CDTY);
+    SERIAL_ECHOPGM("PWM = ", PWM_INTERFACE->PWM_CH_NUM[chan].PWM_CDTY);
   }
 }
 

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

@@ -71,7 +71,7 @@
 /* ------------------------------------------------------------------------ */
 
 /**
- * \page arduino_due_x_board_info "Arduino Due/X - Board informations"
+ * \page arduino_due_x_board_info "Arduino Due/X - Board information"
  * This page lists several definition related to the board description.
  *
  */

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

@@ -74,7 +74,7 @@
 #define   SD_MMC_REMOVING      2
 
 
-//---- CONTROL FONCTIONS ----
+//---- CONTROL FUNCTIONS ----
 //!
 //! @brief This function initializes the hw/sw resources required to drive the SD_MMC_SPI.
 //!/
@@ -134,7 +134,7 @@ extern bool           sd_mmc_spi_wr_protect(void);
 extern bool           sd_mmc_spi_removal(void);
 
 
-//---- ACCESS DATA FONCTIONS ----
+//---- ACCESS DATA FUNCTIONS ----
 
 #if ACCESS_USB == true
 // Standard functions for open in read/write mode the device

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

@@ -90,7 +90,7 @@ typedef struct {
 	//! This buffer must be word align for DATA IN phase (use prefix COMPILER_WORD_ALIGNED for buffer)
 	uint8_t *payload;
 
-	//! Size of buffer to send or fill, and content the number of byte transfered
+	//! Size of buffer to send or fill, and content the number of byte transferred
 	uint16_t payload_size;
 
 	//! Callback called after reception of ZLP from setup request
@@ -132,10 +132,10 @@ typedef void (*udd_callback_halt_cleared_t)(void);
  *
  * \param status     UDD_EP_TRANSFER_OK, if transfer is complete
  * \param status     UDD_EP_TRANSFER_ABORT, if transfer is aborted
- * \param n          number of data transfered
+ * \param n          number of data transferred
  */
 typedef void (*udd_callback_trans_t) (udd_ep_status_t status,
-		iram_size_t nb_transfered, udd_ep_id_t ep);
+		iram_size_t nb_transferred, udd_ep_id_t ep);
 
 /**
  * \brief Authorizes the VBUS event
@@ -303,7 +303,7 @@ bool udd_ep_wait_stall_clear(udd_ep_id_t ep,
  * The driver uses a specific DMA USB to transfer data
  * from internal RAM to endpoint, if this one is available.
  * When the transfer is finished or aborted (stall, reset, ...), the \a callback is called.
- * The \a callback returns the transfer status and eventually the number of byte transfered.
+ * The \a callback returns the transfer status and eventually the number of byte transferred.
  * Note: The control endpoint is not authorized.
  *
  * \param ep            The ID of the endpoint to use

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

@@ -162,7 +162,7 @@ static void udi_cdc_ctrl_state_notify(uint8_t port, udd_ep_id_t ep);
  *
  * \param status     UDD_EP_TRANSFER_OK, if transfer finished
  * \param status     UDD_EP_TRANSFER_ABORT, if transfer aborted
- * \param n          number of data transfered
+ * \param n          number of data transferred
  */
 static void udi_cdc_serial_state_msg_sent(udd_ep_status_t status, iram_size_t n, udd_ep_id_t ep);
 
@@ -200,7 +200,7 @@ static void udi_cdc_data_received(udd_ep_status_t status, iram_size_t n, udd_ep_
  *
  * \param status     UDD_EP_TRANSFER_OK, if transfer finished
  * \param status     UDD_EP_TRANSFER_ABORT, if transfer aborted
- * \param n          number of data transfered
+ * \param n          number of data transferred
  */
 static void udi_cdc_data_sent(udd_ep_status_t status, iram_size_t n, udd_ep_id_t ep);
 

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

@@ -106,7 +106,7 @@ extern "C" {
  */
 //@{
 #  if UDI_CDC_PORT_NB > 2
-#    error USBB, UDP, UDPHS and UOTGHS interfaces have not enought endpoints.
+#    error USBB, UDP, UDPHS and UOTGHS interfaces have not enough endpoints.
 #  endif
 #define  UDI_CDC_DATA_EP_IN_0          (1 | USB_EP_DIR_IN)  // TX
 #define  UDI_CDC_DATA_EP_OUT_0         (2 | USB_EP_DIR_OUT) // RX

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

@@ -173,7 +173,7 @@ static void udi_msc_cbw_wait(void);
  *
  * \param status       UDD_EP_TRANSFER_OK, if transfer is finished
  * \param status       UDD_EP_TRANSFER_ABORT, if transfer is aborted
- * \param nb_received  number of data transfered
+ * \param nb_received  number of data transferred
  */
 static void udi_msc_cbw_received(udd_ep_status_t status,
     iram_size_t nb_received, udd_ep_id_t ep);
@@ -211,7 +211,7 @@ static void udi_msc_data_send(uint8_t * buffer, uint8_t buf_size);
  *
  * \param status     UDD_EP_TRANSFER_OK, if transfer finish
  * \param status     UDD_EP_TRANSFER_ABORT, if transfer aborted
- * \param nb_sent    number of data transfered
+ * \param nb_sent    number of data transferred
  */
 static void udi_msc_data_sent(udd_ep_status_t status, iram_size_t nb_sent,
     udd_ep_id_t ep);
@@ -244,7 +244,7 @@ void udi_msc_csw_send(void);
  *
  * \param status     UDD_EP_TRANSFER_OK, if transfer is finished
  * \param status     UDD_EP_TRANSFER_ABORT, if transfer is aborted
- * \param nb_sent    number of data transfered
+ * \param nb_sent    number of data transferred
  */
 static void udi_msc_csw_sent(udd_ep_status_t status, iram_size_t nb_sent,
     udd_ep_id_t ep);
@@ -463,7 +463,7 @@ uint8_t udi_msc_getsetting(void)
 static void udi_msc_cbw_invalid(void)
 {
   if (!udi_msc_b_cbw_invalid)
-    return; // Don't re-stall endpoint if error reseted by setup
+    return; // Don't re-stall endpoint if error reset by setup
   udd_ep_set_halt(UDI_MSC_EP_OUT);
   // If stall cleared then re-stall it. Only Setup MSC Reset can clear it
   udd_ep_wait_stall_clear(UDI_MSC_EP_OUT, udi_msc_cbw_invalid);
@@ -472,7 +472,7 @@ static void udi_msc_cbw_invalid(void)
 static void udi_msc_csw_invalid(void)
 {
   if (!udi_msc_b_cbw_invalid)
-    return; // Don't re-stall endpoint if error reseted by setup
+    return; // Don't re-stall endpoint if error reset by setup
   udd_ep_set_halt(UDI_MSC_EP_IN);
   // If stall cleared then re-stall it. Only Setup MSC Reset can clear it
   udd_ep_wait_stall_clear(UDI_MSC_EP_IN, udi_msc_csw_invalid);

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

@@ -325,7 +325,7 @@ static void udd_sleep_mode(bool b_idle)
 /**
  * \name Control endpoint low level management routine.
  *
- * This function performs control endpoint mangement.
+ * This function performs control endpoint management.
  * It handle the SETUP/DATA/HANDSHAKE phases of a control transaction.
  */
 //@{
@@ -397,9 +397,9 @@ static void udd_ctrl_endofrequest(void);
 /**
  * \brief Main interrupt routine for control endpoint
  *
- * This switchs control endpoint events to correct sub function.
+ * This switches control endpoint events to correct sub function.
  *
- * \return \c 1 if an event about control endpoint is occured, otherwise \c 0.
+ * \return \c 1 if an event about control endpoint is occurred, otherwise \c 0.
  */
 static bool udd_ctrl_interrupt(void);
 
@@ -410,7 +410,7 @@ static bool udd_ctrl_interrupt(void);
  * \name Management of bulk/interrupt/isochronous endpoints
  *
  * The UDD manages the data transfer on endpoints:
- * - Start data tranfer on endpoint with USB Device DMA
+ * - Start data transfer on endpoint with USB Device DMA
  * - Send a ZLP packet if requested
  * - Call callback registered to signal end of transfer
  * The transfer abort and stall feature are supported.
@@ -431,7 +431,7 @@ typedef struct {
 	uint8_t *buf;
 	//! Size of buffer to send or fill
 	iram_size_t buf_size;
-	//!< Size of data transfered
+	//!< Size of data transferred
 	iram_size_t buf_cnt;
 	//!< Size of data loaded (or prepared for DMA) last time
 	iram_size_t buf_load;
@@ -486,7 +486,7 @@ static void udd_ep_finish_job(udd_ep_job_t * ptr_job, bool b_abort, uint8_t ep_n
 
 #ifdef UDD_EP_DMA_SUPPORTED
 	/**
-	 * \brief Start the next transfer if necessary or complet the job associated.
+	 * \brief Start the next transfer if necessary or complete the job associated.
 	 *
 	 * \param ep endpoint number without direction flag
 	 */
@@ -496,9 +496,9 @@ static void udd_ep_finish_job(udd_ep_job_t * ptr_job, bool b_abort, uint8_t ep_n
 /**
  * \brief Main interrupt routine for bulk/interrupt/isochronous endpoints
  *
- * This switchs endpoint events to correct sub function.
+ * This switches endpoint events to correct sub function.
  *
- * \return \c 1 if an event about bulk/interrupt/isochronous endpoints has occured, otherwise \c 0.
+ * \return \c 1 if an event about bulk/interrupt/isochronous endpoints has occurred, otherwise \c 0.
  */
 static bool udd_ep_interrupt(void);
 
@@ -520,7 +520,7 @@ static bool udd_ep_interrupt(void);
  *
  * Note:
  * Here, the global interrupt mask is not clear when an USB interrupt is enabled
- * because this one can not be occured during the USB ISR (=during INTX is masked).
+ * because this one can not be occurred during the USB ISR (=during INTX is masked).
  * See Technical reference $3.8.3 Masking interrupt requests in peripheral modules.
  */
 #ifdef UHD_ENABLE
@@ -787,7 +787,7 @@ void udd_attach(void)
 	udd_sleep_mode(true);
 	otg_unfreeze_clock();
 
-	// This section of clock check can be improved with a chek of
+	// This section of clock check can be improved with a check of
 	// USB clock source via sysclk()
 	// Check USB clock because the source can be a PLL
 	while (!Is_otg_clock_usable());
@@ -803,7 +803,7 @@ void udd_attach(void)
 #ifdef USB_DEVICE_HS_SUPPORT
 	udd_enable_msof_interrupt();
 #endif
-	// Reset following interupts flag
+	// Reset following interrupts flag
 	udd_ack_reset();
 	udd_ack_sof();
 	udd_ack_msof();
@@ -902,7 +902,7 @@ bool udd_ep_alloc(udd_ep_id_t ep, uint8_t bmAttributes,
 	}
 	dbg_print("alloc(%x, %d) ", ep, MaxEndpointSize);
 
-	// Bank choise
+	// Bank choice
 	switch (bmAttributes & USB_EP_TYPE_MASK) {
 	case USB_EP_TYPE_ISOCHRONOUS:
 		nb_bank = UDD_ISOCHRONOUS_NB_BANK(ep);
@@ -1228,7 +1228,7 @@ bool udd_ep_wait_stall_clear(udd_ep_id_t ep,
 
 	if (Is_udd_endpoint_stall_requested(ep)
 			|| ptr_job->stall_requested) {
-		// Endpoint halted then registes the callback
+		// Endpoint halted then registers the callback
 		ptr_job->busy = true;
 		ptr_job->call_nohalt = callback;
 	} else {
@@ -1386,7 +1386,7 @@ static void udd_ctrl_setup_received(void)
 
 	// Decode setup request
 	if (udc_process_setup() == false) {
-		// Setup request unknow then stall it
+		// Setup request unknown then stall it
 		udd_ctrl_stall_data();
 		udd_ack_setup_received(0);
 		return;
@@ -1447,7 +1447,7 @@ static void udd_ctrl_in_sent(void)
 		udd_ctrl_prev_payload_buf_cnt += udd_ctrl_payload_buf_cnt;
 		if ((udd_g_ctrlreq.req.wLength == udd_ctrl_prev_payload_buf_cnt)
 					|| b_shortpacket) {
-			// All data requested are transfered or a short packet has been sent
+			// All data requested are transferred or a short packet has been sent
 			// then it is the end of data phase.
 			// Generate an OUT ZLP for handshake phase.
 			udd_ctrl_send_zlp_out();
@@ -1516,7 +1516,7 @@ static void udd_ctrl_out_received(void)
 			// End of SETUP request:
 			// - Data IN Phase aborted,
 			// - or last Data IN Phase hidden by ZLP OUT sending quiclky,
-			// - or ZLP OUT received normaly.
+			// - or ZLP OUT received normally.
 			udd_ctrl_endofrequest();
 		} else {
 			// Protocol error during SETUP request
@@ -1544,7 +1544,7 @@ static void udd_ctrl_out_received(void)
 					(udd_ctrl_prev_payload_buf_cnt +
 							udd_ctrl_payload_buf_cnt))) {
 		// End of reception because it is a short packet
-		// Before send ZLP, call intermediat calback
+		// Before send ZLP, call intermediate callback
 		// in case of data receiv generate a stall
 		udd_g_ctrlreq.payload_size = udd_ctrl_payload_buf_cnt;
 		if (NULL != udd_g_ctrlreq.over_under_run) {
@@ -1565,7 +1565,7 @@ static void udd_ctrl_out_received(void)
 	if (udd_g_ctrlreq.payload_size == udd_ctrl_payload_buf_cnt) {
 		// Overrun then request a new payload buffer
 		if (!udd_g_ctrlreq.over_under_run) {
-			// No callback availabled to request a new payload buffer
+			// No callback available to request a new payload buffer
 			udd_ctrl_stall_data();
 			// Ack reception of OUT to replace NAK by a STALL
 			udd_ack_out_received(0);
@@ -1805,7 +1805,7 @@ static void udd_ep_trans_done(udd_ep_id_t ep)
 			// transfer size of UDD_ENDPOINT_MAX_TRANS Bytes
 			next_trans = UDD_ENDPOINT_MAX_TRANS;
 
-			// Set 0 to tranfer the maximum
+			// Set 0 to transfer the maximum
 			udd_dma_ctrl = UOTGHS_DEVDMACONTROL_BUFF_LENGTH(0);
 		} else {
 			udd_dma_ctrl = UOTGHS_DEVDMACONTROL_BUFF_LENGTH(next_trans);
@@ -1850,7 +1850,7 @@ static void udd_ep_trans_done(udd_ep_id_t ep)
 		}
 		cpu_irq_restore(flags);
 
-		// Here a ZLP has been recieved
+		// Here a ZLP has been received
 		// and the DMA transfer must be not started.
 		// It is the end of transfer
 		ptr_job->buf_size = ptr_job->buf_cnt;
@@ -1991,13 +1991,13 @@ static bool udd_ep_interrupt(void)
 			}
 			dbg_print("dma%x: ", ep);
 			udd_disable_endpoint_dma_interrupt(ep);
-			// Save number of data no transfered
+			// Save number of data no transferred
 			nb_remaining = (udd_endpoint_dma_get_status(ep) &
 					UOTGHS_DEVDMASTATUS_BUFF_COUNT_Msk)
 					>> UOTGHS_DEVDMASTATUS_BUFF_COUNT_Pos;
 			if (nb_remaining) {
 				// Transfer no complete (short packet or ZLP) then:
-				// Update number of data transfered
+				// Update number of data transferred
 				ptr_job->buf_cnt -= nb_remaining;
 				// Set transfer complete to stop the transfer
 				ptr_job->buf_size = ptr_job->buf_cnt;
@@ -2056,7 +2056,7 @@ static bool udd_ep_interrupt(void)
 				udd_disable_endpoint_interrupt(ep);
 
 				Assert(ptr_job->stall_requested);
-				// A stall has been requested during backgound transfer
+				// A stall has been requested during background transfer
 				ptr_job->stall_requested = false;
 				udd_disable_endpoint_bank_autoswitch(ep);
 				udd_enable_stall_handshake(ep);

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

@@ -130,7 +130,7 @@ struct usb_msc_cbw {
 struct usb_msc_csw {
 	le32_t dCSWSignature;	//!< Must contain 'USBS'
 	le32_t dCSWTag;	//!< Same as dCBWTag
-	le32_t dCSWDataResidue;	//!< Number of bytes not transfered
+	le32_t dCSWDataResidue;	//!< Number of bytes not transferred
 	uint8_t bCSWStatus;	//!< Status code
 };
 

Marlin/src/HAL/ESP32/MarlinSPI.h

@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <SPI.h>
+
+using MarlinSPI = SPIClass;

Marlin/src/HAL/ESP32/endstop_interrupts.h

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

Marlin/src/HAL/ESP32/spi_pins.h

@@ -2,6 +2,9 @@
  * Marlin 3D Printer Firmware
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or

Marlin/src/HAL/ESP32/wifi.cpp

@@ -59,7 +59,7 @@ void wifi_init() {
 
   MDNS.addService("http", "tcp", 80);
 
-  SERIAL_ECHOLNPAIR("Successfully connected to WiFi with SSID '" WIFI_SSID "', hostname: '" WIFI_HOSTNAME "', IP address: ", WiFi.localIP().toString().c_str());
+  SERIAL_ECHOLNPGM("Successfully connected to WiFi with SSID '" WIFI_SSID "', hostname: '" WIFI_HOSTNAME "', IP address: ", WiFi.localIP().toString().c_str());
 }
 
 #endif // WIFISUPPORT

Marlin/src/HAL/LINUX/HAL.h

@@ -63,9 +63,9 @@ uint8_t _getc();
 extern MSerialT usb_serial;
 #define MYSERIAL1 usb_serial
 
-#define ST7920_DELAY_1 DELAY_NS(600)
-#define ST7920_DELAY_2 DELAY_NS(750)
-#define ST7920_DELAY_3 DELAY_NS(750)
+#define CPU_ST7920_DELAY_1 600
+#define CPU_ST7920_DELAY_2 750
+#define CPU_ST7920_DELAY_3 750
 
 //
 // Interrupts

Marlin/src/HAL/LINUX/MarlinSPI.h

@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <SPI.h>
+
+using MarlinSPI = SPIClass;

Marlin/src/HAL/LINUX/hardware/Gpio.h

@@ -40,7 +40,7 @@ struct GpioEvent {
   pin_type pin_id;
   GpioEvent::Type event;
 
-  GpioEvent(uint64_t timestamp, pin_type pin_id, GpioEvent::Type event){
+  GpioEvent(uint64_t timestamp, pin_type pin_id, GpioEvent::Type event) {
     this->timestamp = timestamp;
     this->pin_id = pin_id;
     this->event = event;

Marlin/src/HAL/LINUX/hardware/Heater.cpp

@@ -54,7 +54,7 @@ void Heater::update() {
 }
 
 void Heater::interrupt(GpioEvent ev) {
-  // ununsed
+  // unused
 }
 
 #endif // __PLAT_LINUX__

Marlin/src/HAL/LINUX/hardware/LinearAxis.cpp

@@ -51,7 +51,7 @@ void LinearAxis::update() {
 }
 
 void LinearAxis::interrupt(GpioEvent ev) {
-  if (ev.pin_id == step_pin && !Gpio::pin_map[enable_pin].value){
+  if (ev.pin_id == step_pin && !Gpio::pin_map[enable_pin].value) {
     if (ev.event == GpioEvent::RISE) {
       last_update = ev.timestamp;
       position += -1 + 2 * Gpio::pin_map[dir_pin].value;

Marlin/src/HAL/LINUX/hardware/Timer.h

@@ -52,7 +52,7 @@ public:
     return (*(intptr_t*)timerid);
   }
 
-  static void handler(int sig, siginfo_t *si, void *uc){
+  static void handler(int sig, siginfo_t *si, void *uc) {
     Timer* _this = (Timer*)si->si_value.sival_ptr;
     _this->avg_error += (Clock::nanos() - _this->start_time) - _this->period; //high_resolution_clock is also limited in precision, but best we have
     _this->avg_error /= 2; //very crude precision analysis (actually within +-500ns usually)

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

@@ -26,7 +26,7 @@
  */
 
 // Emulating RAMPS
-#if ENABLED(SPINDLE_LASER_PWM) && !(SPINDLE_LASER_PWM_PIN == 4 || SPINDLE_LASER_PWM_PIN == 6 || SPINDLE_LASER_PWM_PIN == 11)
+#if ENABLED(SPINDLE_LASER_USE_PWM) && !(SPINDLE_LASER_PWM_PIN == 4 || SPINDLE_LASER_PWM_PIN == 6 || SPINDLE_LASER_PWM_PIN == 11)
   #error "SPINDLE_LASER_PWM_PIN must use SERVO0, SERVO1 or SERVO3 connector"
 #endif
 

Marlin/src/HAL/LINUX/include/pinmapping.cpp

@@ -25,43 +25,6 @@
 
 #include "../../../gcode/parser.h"
 
-uint8_t analog_offset = NUM_DIGITAL_PINS - NUM_ANALOG_INPUTS;
-
-// Get the digital pin for an analog index
-pin_t analogInputToDigitalPin(const int8_t p) {
-  return (WITHIN(p, 0, NUM_ANALOG_INPUTS) ? analog_offset + p : P_NC);
-}
-
-// Return the index of a pin number
-int16_t GET_PIN_MAP_INDEX(const pin_t pin) {
-  return pin;
-}
-
-// Test whether the pin is valid
-bool VALID_PIN(const pin_t p) {
-  return WITHIN(p, 0, NUM_DIGITAL_PINS);
-}
-
-// Get the analog index for a digital pin
-int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t p) {
-  return (WITHIN(p, analog_offset, NUM_DIGITAL_PINS) ? p - analog_offset : P_NC);
-}
-
-// Test whether the pin is PWM
-bool PWM_PIN(const pin_t p) {
-  return false;
-}
-
-// Test whether the pin is interruptable
-bool INTERRUPT_PIN(const pin_t p) {
-  return false;
-}
-
-// Get the pin number at the given index
-pin_t GET_PIN_MAP_PIN(const int16_t ind) {
-  return ind;
-}
-
 int16_t PARSED_PIN_INDEX(const char code, const int16_t dval) {
   return parser.intval(code, dval);
 }

Marlin/src/HAL/LINUX/include/pinmapping.h

@@ -34,26 +34,32 @@ constexpr uint8_t NUM_ANALOG_INPUTS = 16;
 
 #define HAL_SENSITIVE_PINS
 
+constexpr uint8_t analog_offset = NUM_DIGITAL_PINS - NUM_ANALOG_INPUTS;
+
 // Get the digital pin for an analog index
-pin_t analogInputToDigitalPin(const int8_t p);
-
-// Return the index of a pin number
-int16_t GET_PIN_MAP_INDEX(const pin_t pin);
-
-// Test whether the pin is valid
-bool VALID_PIN(const pin_t p);
+constexpr pin_t analogInputToDigitalPin(const int8_t p) {
+  return (WITHIN(p, 0, NUM_ANALOG_INPUTS) ? analog_offset + p : P_NC);
+}
 
 // Get the analog index for a digital pin
-int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t p);
+constexpr int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t p) {
+  return (WITHIN(p, analog_offset, NUM_DIGITAL_PINS) ? p - analog_offset : P_NC);
+}
+
+// Return the index of a pin number
+constexpr int16_t GET_PIN_MAP_INDEX(const pin_t pin) { return pin; }
+
+// Test whether the pin is valid
+constexpr bool VALID_PIN(const pin_t p) { return WITHIN(p, 0, NUM_DIGITAL_PINS); }
 
 // Test whether the pin is PWM
-bool PWM_PIN(const pin_t p);
+constexpr bool PWM_PIN(const pin_t p) { return false; }
 
-// Test whether the pin is interruptable
-bool INTERRUPT_PIN(const pin_t p);
+// Test whether the pin is interruptible
+constexpr bool INTERRUPT_PIN(const pin_t p) { return false; }
 
 // Get the pin number at the given index
-pin_t GET_PIN_MAP_PIN(const int16_t ind);
+constexpr pin_t GET_PIN_MAP_PIN(const int16_t ind) { return ind; }
 
 // Parse a G-code word into a pin index
 int16_t PARSED_PIN_INDEX(const char code, const int16_t dval);

Marlin/src/HAL/LINUX/main.cpp

@@ -2,6 +2,9 @@
  * Marlin 3D Printer Firmware
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -16,6 +19,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
 #ifdef __PLAT_LINUX__
 
 //#define GPIO_LOGGING // Full GPIO and Positional Logging

Marlin/src/HAL/LINUX/pinsDebug.h

@@ -2,6 +2,9 @@
  * Marlin 3D Printer Firmware
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -34,6 +37,7 @@
 #define GET_ARRAY_PIN(p)    pin_array[p].pin
 #define PRINT_ARRAY_NAME(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0)
 #define PRINT_PIN(p)        do{ sprintf_P(buffer, PSTR("%3d "), p); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)
 #define MULTI_NAME_PAD  16 // space needed to be pretty if not first name assigned to a pin
 
 // active ADC function/mode/code values for PINSEL registers

Marlin/src/HAL/LPC1768/HAL.h

@@ -50,15 +50,9 @@ extern "C" volatile uint32_t _millis;
 //
 // Default graphical display delays
 //
-#ifndef ST7920_DELAY_1
-  #define ST7920_DELAY_1 DELAY_NS(600)
-#endif
-#ifndef ST7920_DELAY_2
-  #define ST7920_DELAY_2 DELAY_NS(750)
-#endif
-#ifndef ST7920_DELAY_3
-  #define ST7920_DELAY_3 DELAY_NS(750)
-#endif
+#define CPU_ST7920_DELAY_1 600
+#define CPU_ST7920_DELAY_2 750
+#define CPU_ST7920_DELAY_3 750
 
 typedef ForwardSerial1Class< decltype(UsbSerial) > DefaultSerial1;
 extern DefaultSerial1 USBSerial;
@@ -113,7 +107,7 @@ extern DefaultSerial1 USBSerial;
     #error "LCD_SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
   #endif
   #if HAS_DGUS_LCD
-    #define SERIAL_GET_TX_BUFFER_FREE() MSerial0.available()
+    #define SERIAL_GET_TX_BUFFER_FREE() LCD_SERIAL.available()
   #endif
 #endif
 
@@ -162,17 +156,17 @@ int freeMemory();
 
 using FilteredADC = LPC176x::ADC<ADC_LOWPASS_K_VALUE, ADC_MEDIAN_FILTER_SIZE>;
 extern uint32_t HAL_adc_reading;
-[[gnu::always_inline]] inline void HAL_start_adc(const pin_t pin) {
+[[gnu::always_inline]] inline void HAL_adc_start_conversion(const pin_t pin) {
   HAL_adc_reading = FilteredADC::read(pin) >> (16 - HAL_ADC_RESOLUTION); // returns 16bit value, reduce to required bits
 }
-[[gnu::always_inline]] inline uint16_t HAL_read_adc() {
+[[gnu::always_inline]] inline uint16_t HAL_adc_get_result() {
   return HAL_adc_reading;
 }
 
 #define HAL_adc_init()
 #define HAL_ANALOG_SELECT(pin) FilteredADC::enable_channel(pin)
-#define HAL_START_ADC(pin)     HAL_start_adc(pin)
-#define HAL_READ_ADC()         HAL_read_adc()
+#define HAL_START_ADC(pin)     HAL_adc_start_conversion(pin)
+#define HAL_READ_ADC()         HAL_adc_get_result()
 #define HAL_ADC_READY()        (true)
 
 // Test whether the pin is valid
@@ -198,7 +192,7 @@ constexpr pin_t GET_PIN_MAP_PIN(const int16_t index) {
 // Parse a G-code word into a pin index
 int16_t PARSED_PIN_INDEX(const char code, const int16_t dval);
 // P0.6 thru P0.9 are for the onboard SD card
-#define HAL_SENSITIVE_PINS P0_06, P0_07, P0_08, P0_09
+#define HAL_SENSITIVE_PINS P0_06, P0_07, P0_08, P0_09,
 
 #define HAL_IDLETASK 1
 void HAL_idletask();

Marlin/src/HAL/LPC1768/HAL_SPI.cpp

@@ -66,11 +66,7 @@
 
   #include <SoftwareSPI.h>
 
-  #ifndef HAL_SPI_SPEED
-    #define HAL_SPI_SPEED SPI_FULL_SPEED
-  #endif
-
-  static uint8_t SPI_speed = HAL_SPI_SPEED;
+  static uint8_t SPI_speed = SPI_FULL_SPEED;
 
   static uint8_t spiTransfer(uint8_t b) {
     return swSpiTransfer(b, SPI_speed, SD_SCK_PIN, SD_MISO_PIN, SD_MOSI_PIN);
@@ -106,15 +102,13 @@
 
 #else
 
-  #ifndef HAL_SPI_SPEED
-    #ifdef SD_SPI_SPEED
-      #define HAL_SPI_SPEED SD_SPI_SPEED
-    #else
-      #define HAL_SPI_SPEED SPI_FULL_SPEED
-    #endif
+  #ifdef SD_SPI_SPEED
+    #define INIT_SPI_SPEED SD_SPI_SPEED
+  #else
+    #define INIT_SPI_SPEED SPI_FULL_SPEED
   #endif
 
-  void spiBegin() { spiInit(HAL_SPI_SPEED); } // Set up SCK, MOSI & MISO pins for SSP0
+  void spiBegin() { spiInit(INIT_SPI_SPEED); } // Set up SCK, MOSI & MISO pins for SSP0
 
   void spiInit(uint8_t spiRate) {
     #if SD_MISO_PIN == BOARD_SPI1_MISO_PIN

Marlin/src/HAL/LPC1768/MarlinSerial.h

@@ -46,6 +46,8 @@ public:
 
   void end() {}
 
+  uint8_t availableForWrite(void) { /* flushTX(); */ return TX_BUFFER_SIZE; }
+
   #if ENABLED(EMERGENCY_PARSER)
     bool recv_callback(const char c) override;
   #endif

Marlin/src/HAL/LPC1768/eeprom_sdcard.cpp

@@ -1,10 +1,9 @@
 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
- * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
- * Copyright (c) 2016 Victor Perez victor_pv@hotmail.com
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,12 +19,19 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+
+/**
+ * Implementation of EEPROM settings in SD Card
+ */
+
 #ifdef TARGET_LPC1768
 
 #include "../../inc/MarlinConfig.h"
 
 #if ENABLED(SDCARD_EEPROM_EMULATION)
 
+//#define DEBUG_SD_EEPROM_EMULATION
+
 #include "../shared/eeprom_api.h"
 
 #include <chanfs/diskio.h>
@@ -38,9 +44,11 @@ FATFS fat_fs;
 FIL eeprom_file;
 bool eeprom_file_open = false;
 
+#define EEPROM_FILENAME "eeprom.dat"
 #ifndef MARLIN_EEPROM_SIZE
   #define MARLIN_EEPROM_SIZE size_t(0x1000) // 4KiB of Emulated EEPROM
 #endif
+
 size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
 
 bool PersistentStore::access_start() {
@@ -50,7 +58,7 @@ bool PersistentStore::access_start() {
     MSC_Release_Lock();
     return false;
   }
-  FRESULT res = f_open(&eeprom_file, "eeprom.dat", FA_OPEN_ALWAYS | FA_WRITE | FA_READ);
+  FRESULT res = f_open(&eeprom_file, EEPROM_FILENAME, FA_OPEN_ALWAYS | FA_WRITE | FA_READ);
   if (res) MSC_Release_Lock();
 
   if (res == FR_OK) {
@@ -81,18 +89,20 @@ bool PersistentStore::access_finish() {
 // This extra chit-chat goes away soon, but is helpful for now
 // to see errors that are happening in read_data / write_data
 static void debug_rw(const bool write, int &pos, const uint8_t *value, const size_t size, const FRESULT s, const size_t total=0) {
-  PGM_P const rw_str = write ? PSTR("write") : PSTR("read");
-  SERIAL_CHAR(' ');
-  SERIAL_ECHOPGM_P(rw_str);
-  SERIAL_ECHOLNPAIR("_data(", pos, ",", value, ",", size, ", ...)");
-  if (total) {
-    SERIAL_ECHOPGM(" f_");
+  #if ENABLED(DEBUG_SD_EEPROM_EMULATION)
+    PGM_P const rw_str = write ? PSTR("write") : PSTR("read");
+    SERIAL_CHAR(' ');
     SERIAL_ECHOPGM_P(rw_str);
-    SERIAL_ECHOPAIR("()=", s, "\n size=", size, "\n bytes_");
-    SERIAL_ECHOLNPAIR_P(write ? PSTR("written=") : PSTR("read="), total);
-  }
-  else
-    SERIAL_ECHOLNPAIR(" f_lseek()=", s);
+    SERIAL_ECHOLNPGM("_data(", pos, ",", *value, ",", size, ", ...)");
+    if (total) {
+      SERIAL_ECHOPGM(" f_");
+      SERIAL_ECHOPGM_P(rw_str);
+      SERIAL_ECHOPGM("()=", s, "\n size=", size, "\n bytes_");
+      SERIAL_ECHOLNPGM_P(write ? PSTR("written=") : PSTR("read="), total);
+    }
+    else
+      SERIAL_ECHOLNPGM(" f_lseek()=", s);
+  #endif
 }
 
 // File function return codes for type FRESULT. This goes away soon, but

Marlin/src/HAL/LPC1768/endstop_interrupts.h

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

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

@@ -67,7 +67,7 @@ static_assert(!(NUM_SERVOS && ENABLED(FAST_PWM_FAN)), "BLTOUCH and Servos are in
  * Test LPC176x-specific configuration values for errors at compile-time.
  */
 
-//#if ENABLED(SPINDLE_LASER_PWM) && !(SPINDLE_LASER_PWM_PIN == 4 || SPINDLE_LASER_PWM_PIN == 6 || SPINDLE_LASER_PWM_PIN == 11)
+//#if ENABLED(SPINDLE_LASER_USE_PWM) && !(SPINDLE_LASER_PWM_PIN == 4 || SPINDLE_LASER_PWM_PIN == 6 || SPINDLE_LASER_PWM_PIN == 11)
 //  #error "SPINDLE_LASER_PWM_PIN must use SERVO0, SERVO1 or SERVO3 connector"
 //#endif
 
@@ -146,7 +146,7 @@ static_assert(DISABLED(BAUD_RATE_GCODE), "BAUD_RATE_GCODE is not yet supported o
     #error "Serial port pins (2) conflict with other pins!"
   #elif Y_HOME_TO_MIN && IS_TX2(Y_STOP_PIN)
     #error "Serial port pins (2) conflict with Y endstop pin!"
-  #elif HAS_CUSTOM_PROBE_PIN && IS_TX2(Z_MIN_PROBE_PIN)
+  #elif USES_Z_MIN_PROBE_PIN && IS_TX2(Z_MIN_PROBE_PIN)
     #error "Serial port pins (2) conflict with probe pin!"
   #elif ANY_TX(2, X_ENABLE_PIN, Y_ENABLE_PIN) || ANY_RX(2, X_DIR_PIN, Y_DIR_PIN)
     #error "Serial port pins (2) conflict with X/Y stepper pins!"
@@ -237,7 +237,7 @@ static_assert(DISABLED(BAUD_RATE_GCODE), "BAUD_RATE_GCODE is not yet supported o
     #define PIN_IS_SCL2(P) (P##_PIN == P0_11)
     #if PIN_IS_SDA2(Y_STOP)
       #error "i2c SDA2 overlaps with Y endstop pin!"
-    #elif HAS_CUSTOM_PROBE_PIN && PIN_IS_SDA2(Z_MIN_PROBE)
+    #elif USES_Z_MIN_PROBE_PIN && PIN_IS_SDA2(Z_MIN_PROBE)
       #error "i2c SDA2 overlaps with Z probe pin!"
     #elif PIN_IS_SDA2(X_ENABLE) || PIN_IS_SDA2(Y_ENABLE)
       #error "i2c SDA2 overlaps with X/Y ENABLE pin!"

Marlin/src/HAL/LPC1768/pinsDebug.h

@@ -2,6 +2,9 @@
  * Marlin 3D Printer Firmware
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -33,8 +36,9 @@
 #define PRINT_PORT(p)
 #define GET_ARRAY_PIN(p) pin_array[p].pin
 #define PRINT_ARRAY_NAME(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0)
-#define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("%d.%02d"), LPC176x::pin_port(p), LPC176x::pin_bit(p)); SERIAL_ECHO(buffer); }while(0)
-#define MULTI_NAME_PAD 16 // space needed to be pretty if not first name assigned to a pin
+#define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("P%d_%02d"), LPC176x::pin_port(p), LPC176x::pin_bit(p)); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR("_A%d     "), LPC176x::pin_get_adc_channel(pin)); SERIAL_ECHO(buffer); }while(0)
+#define MULTI_NAME_PAD 17 // space needed to be pretty if not first name assigned to a pin
 
 // pins that will cause hang/reset/disconnect in M43 Toggle and Watch utilities
 #ifndef M43_NEVER_TOUCH
@@ -48,6 +52,4 @@ bool GET_PINMODE(const pin_t pin) {
   return LPC176x::gpio_direction(pin);
 }
 
-bool GET_ARRAY_IS_DIGITAL(const pin_t pin) {
-  return (!LPC176x::pin_has_adc(pin) || !LPC176x::pin_adc_enabled(pin));
-}
+#define GET_ARRAY_IS_DIGITAL(x) ((bool) pin_array[x].is_digital)

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

@@ -26,39 +26,22 @@
 
 #include "tft_spi.h"
 
-//TFT_SPI tft;
-
 SPIClass TFT_SPI::SPIx(1);
 
-#define TFT_CS_H  WRITE(TFT_CS_PIN, HIGH)
-#define TFT_CS_L  WRITE(TFT_CS_PIN, LOW)
-
-#define TFT_DC_H  WRITE(TFT_DC_PIN, HIGH)
-#define TFT_DC_L  WRITE(TFT_DC_PIN, LOW)
-
-#define TFT_RST_H WRITE(TFT_RESET_PIN, HIGH)
-#define TFT_RST_L WRITE(TFT_RESET_PIN, LOW)
-
-#define TFT_BLK_H WRITE(TFT_BACKLIGHT_PIN, HIGH)
-#define TFT_BLK_L WRITE(TFT_BACKLIGHT_PIN, LOW)
-
 void TFT_SPI::Init() {
   #if PIN_EXISTS(TFT_RESET)
-    SET_OUTPUT(TFT_RESET_PIN);
-    TFT_RST_H;
+    OUT_WRITE(TFT_RESET_PIN, HIGH);
     delay(100);
   #endif
 
   #if PIN_EXISTS(TFT_BACKLIGHT)
-    SET_OUTPUT(TFT_BACKLIGHT_PIN);
-    TFT_BLK_H;
+    OUT_WRITE(TFT_BACKLIGHT_PIN, HIGH);
   #endif
 
   SET_OUTPUT(TFT_DC_PIN);
   SET_OUTPUT(TFT_CS_PIN);
-
-  TFT_DC_H;
-  TFT_CS_H;
+  WRITE(TFT_DC_PIN, HIGH);
+  WRITE(TFT_CS_PIN, HIGH);
 
   /**
    * STM32F1 APB2 = 72MHz, APB1 = 36MHz, max SPI speed of this MCU if 18Mhz
@@ -97,7 +80,7 @@ void TFT_SPI::Init() {
 void TFT_SPI::DataTransferBegin(uint16_t DataSize) {
   SPIx.setDataSize(DataSize);
   SPIx.begin();
-  TFT_CS_L;
+  WRITE(TFT_CS_PIN, LOW);
 }
 
 uint32_t TFT_SPI::GetID() {
@@ -116,7 +99,7 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
     SPIx.setDataSize(DATASIZE_8BIT);
     SPIx.setClock(SPI_CLOCK_DIV64);
     SPIx.begin();
-    TFT_CS_L;
+    WRITE(TFT_CS_PIN, LOW);
     WriteReg(Reg);
 
     LOOP_L_N(i, 4) {
@@ -131,21 +114,15 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
   return data >> 7;
 }
 
-bool TFT_SPI::isBusy() {
-  return false;
-}
+bool TFT_SPI::isBusy() { return false; }
 
-void TFT_SPI::Abort() {
-  DataTransferEnd();
-}
+void TFT_SPI::Abort() { DataTransferEnd(); }
 
-void TFT_SPI::Transmit(uint16_t Data) {
-  SPIx.transfer(Data);
-}
+void TFT_SPI::Transmit(uint16_t Data) { SPIx.transfer(Data); }
 
 void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
-  DataTransferBegin(DATASIZE_16BIT); //16
-  TFT_DC_H;
+  DataTransferBegin(DATASIZE_16BIT);
+  WRITE(TFT_DC_PIN, HIGH);
   SPIx.dmaSend(Data, Count, MemoryIncrease);
   DataTransferEnd();
 }

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

@@ -54,7 +54,7 @@ enum XPTCoordinate : uint8_t {
   XPT2046_Z2 = 0x40 | XPT2046_CONTROL | XPT2046_DFR_MODE,
 };
 
-#if !defined(XPT2046_Z1_THRESHOLD)
+#ifndef XPT2046_Z1_THRESHOLD
   #define XPT2046_Z1_THRESHOLD 10
 #endif
 

Marlin/src/HAL/LPC1768/u8g/u8g_com_HAL_LPC1768_hw_spi.cpp

@@ -59,7 +59,7 @@
 
 #if HAS_MARLINUI_U8GLIB
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 #include "../../shared/HAL_SPI.h"
 
 #ifndef LCD_SPI_SPEED

Marlin/src/HAL/LPC1768/u8g/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp

@@ -79,7 +79,7 @@
 
 #if HAS_MARLINUI_U8GLIB
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 
 #define I2C_SLA         (0x3C*2)
 //#define I2C_CMD_MODE  0x080

Marlin/src/HAL/LPC1768/u8g/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp

@@ -59,7 +59,7 @@
 
 #if HAS_MARLINUI_U8GLIB
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 #include "../../shared/HAL_SPI.h"
 #include "../../shared/Delay.h"
 

Marlin/src/HAL/LPC1768/u8g/u8g_com_HAL_LPC1768_st7920_sw_spi.cpp

@@ -59,7 +59,7 @@
 
 #if ENABLED(U8GLIB_ST7920)
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 #include <SoftwareSPI.h>
 #include "../../shared/Delay.h"
 #include "../../shared/HAL_SPI.h"

Marlin/src/HAL/LPC1768/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp

@@ -71,7 +71,7 @@
 #include <LPC17xx.h>
 #include <gpio.h>
 
-#include <U8glib.h>
+#include <U8glib-HAL.h>
 
 uint8_t swSpiTransfer_mode_0(uint8_t b, const uint8_t spi_speed, const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin ) {
 

Marlin/src/HAL/NATIVE_SIM/HAL.h

@@ -0,0 +1,217 @@
+/**
+ * Marlin 3D Printer Firmware
+ *
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
+ * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#define CPU_32_BIT
+#define HAL_IDLETASK
+void HAL_idletask();
+
+#define F_CPU 100000000
+#define SystemCoreClock F_CPU
+#include <stdint.h>
+#include <stdarg.h>
+
+#undef min
+#undef max
+
+#include <algorithm>
+#include "pinmapping.h"
+
+void _printf (const  char *format, ...);
+void _putc(uint8_t c);
+uint8_t _getc();
+
+//extern "C" volatile uint32_t _millis;
+
+//arduino: Print.h
+#define DEC 10
+#define HEX 16
+#define OCT  8
+#define BIN  2
+//arduino: binary.h (weird defines)
+#define B01 1
+#define B10 2
+
+#include "../shared/Marduino.h"
+#include "../shared/math_32bit.h"
+#include "../shared/HAL_SPI.h"
+#include "fastio.h"
+#include "watchdog.h"
+#include "serial.h"
+
+#define SHARED_SERVOS HAS_SERVOS
+
+extern MSerialT serial_stream_0;
+extern MSerialT serial_stream_1;
+extern MSerialT serial_stream_2;
+extern MSerialT serial_stream_3;
+
+#define _MSERIAL(X) serial_stream_##X
+#define MSERIAL(X) _MSERIAL(X)
+
+#if WITHIN(SERIAL_PORT, 0, 3)
+  #define MYSERIAL1 MSERIAL(SERIAL_PORT)
+#else
+  #error "SERIAL_PORT must be from 0 to 3. Please update your configuration."
+#endif
+
+#ifdef SERIAL_PORT_2
+  #if WITHIN(SERIAL_PORT_2, 0, 3)
+    #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
+  #else
+    #error "SERIAL_PORT_2 must be from 0 to 3. Please update your configuration."
+  #endif
+#endif
+
+#ifdef MMU2_SERIAL_PORT
+  #if WITHIN(MMU2_SERIAL_PORT, 0, 3)
+    #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
+  #else
+    #error "MMU2_SERIAL_PORT must be from 0 to 3. Please update your configuration."
+  #endif
+#endif
+
+#ifdef LCD_SERIAL_PORT
+  #if WITHIN(LCD_SERIAL_PORT, 0, 3)
+    #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
+  #else
+    #error "LCD_SERIAL_PORT must be from 0 to 3. Please update your configuration."
+  #endif
+#endif
+
+
+#define CPU_ST7920_DELAY_1 600
+#define CPU_ST7920_DELAY_2 750
+#define CPU_ST7920_DELAY_3 750
+
+//
+// Interrupts
+//
+#define CRITICAL_SECTION_START()
+#define CRITICAL_SECTION_END()
+#define ISRS_ENABLED()
+#define ENABLE_ISRS()
+#define DISABLE_ISRS()
+
+inline void HAL_init() {}
+
+// Utility functions
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-function"
+int freeMemory();
+#pragma GCC diagnostic pop
+
+// ADC
+#define HAL_ADC_VREF           5.0
+#define HAL_ADC_RESOLUTION    10
+#define HAL_ANALOG_SELECT(ch) HAL_adc_enable_channel(ch)
+#define HAL_START_ADC(ch)     HAL_adc_start_conversion(ch)
+#define HAL_READ_ADC()        HAL_adc_get_result()
+#define HAL_ADC_READY()       true
+
+void HAL_adc_init();
+void HAL_adc_enable_channel(const uint8_t ch);
+void HAL_adc_start_conversion(const uint8_t ch);
+uint16_t HAL_adc_get_result();
+
+// Reset source
+inline void HAL_clear_reset_source(void) {}
+inline uint8_t HAL_get_reset_source(void) { return RST_POWER_ON; }
+
+/* ---------------- Delay in cycles */
+
+#define DELAY_CYCLES(x) Kernel::delayCycles(x)
+#define SYSTEM_YIELD() Kernel::yield()
+
+// Maple Compatibility
+typedef void (*systickCallback_t)(void);
+void systick_attach_callback(systickCallback_t cb);
+extern volatile uint32_t systick_uptime_millis;
+
+// Marlin uses strstr in constexpr context, this is not supported, workaround by defining constexpr versions of the required functions.
+#define strstr(a, b) strstr_constexpr((a), (b))
+
+constexpr inline std::size_t strlen_constexpr(const char* str) {
+  // https://github.com/gcc-mirror/gcc/blob/5c7634a0e5f202935aa6c11b6ea953b8bf80a00a/libstdc%2B%2B-v3/include/bits/char_traits.h#L329
+  if (str != nullptr) {
+    std::size_t i = 0;
+    while (str[i] != '\0') {
+      ++i;
+    }
+
+    return i;
+  }
+
+  return 0;
+}
+
+constexpr inline int strncmp_constexpr(const char* lhs, const char* rhs, std::size_t count) {
+  // https://github.com/gcc-mirror/gcc/blob/13b9cbfc32fe3ac4c81c4dd9c42d141c8fb95db4/libstdc%2B%2B-v3/include/bits/char_traits.h#L655
+  if (lhs == nullptr || rhs == nullptr) {
+    return rhs != nullptr ? -1 : 1;
+  }
+
+  for (std::size_t i = 0; i < count; ++i) {
+    if (lhs[i] != rhs[i]) {
+      return lhs[i] < rhs[i] ? -1 : 1;
+    } else if (lhs[i] == '\0') {
+      return 0;
+    }
+  }
+
+  return 0;
+}
+
+constexpr inline const char* strstr_constexpr(const char* str, const char* target) {
+  // https://github.com/freebsd/freebsd/blob/master/sys/libkern/strstr.c
+  if (char c = target != nullptr ? *target++ : '\0'; c != '\0' && str != nullptr) {
+    std::size_t len = strlen_constexpr(target);
+    do {
+      char sc = {};
+      do {
+        if ((sc = *str++) == '\0') {
+          return nullptr;
+        }
+      } while (sc != c);
+    } while (strncmp_constexpr(str, target, len) != 0);
+    --str;
+  }
+
+  return str;
+}
+
+constexpr inline char* strstr_constexpr(char* str, const char* target) {
+  // https://github.com/freebsd/freebsd/blob/master/sys/libkern/strstr.c
+  if (char c = target != nullptr ? *target++ : '\0'; c != '\0' && str != nullptr) {
+    std::size_t len = strlen_constexpr(target);
+    do {
+      char sc = {};
+      do {
+        if ((sc = *str++) == '\0') {
+          return nullptr;
+        }
+      } while (sc != c);
+    } while (strncmp_constexpr(str, target, len) != 0);
+    --str;
+  }
+  return str;
+}

Marlin/src/HAL/NATIVE_SIM/MarlinSPI.h

@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ *
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
+ * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <SPI.h>
+
+using MarlinSPI = SPIClass;

Marlin/src/HAL/NATIVE_SIM/fastio.h

@@ -0,0 +1,111 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Fast I/O Routines for X86_64
+ */
+
+#include "../shared/Marduino.h"
+#include <pinmapping.h>
+
+#define SET_DIR_INPUT(IO)     Gpio::setDir(IO, 1)
+#define SET_DIR_OUTPUT(IO)    Gpio::setDir(IO, 0)
+
+#define SET_MODE(IO, mode)    Gpio::setMode(IO, mode)
+
+#define WRITE_PIN_SET(IO)     Gpio::set(IO)
+#define WRITE_PIN_CLR(IO)     Gpio::clear(IO)
+
+#define READ_PIN(IO)          Gpio::get(IO)
+#define WRITE_PIN(IO,V)       Gpio::set(IO, V)
+
+/**
+ * Magic I/O routines
+ *
+ * Now you can simply SET_OUTPUT(STEP); WRITE(STEP, HIGH); WRITE(STEP, LOW);
+ *
+ * Why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
+ */
+
+/// Read a pin
+#define _READ(IO)             READ_PIN(IO)
+
+/// Write to a pin
+#define _WRITE(IO,V)          WRITE_PIN(IO,V)
+
+/// toggle a pin
+#define _TOGGLE(IO)          _WRITE(IO, !READ(IO))
+
+/// set pin as input
+#define _SET_INPUT(IO)        SET_DIR_INPUT(IO)
+
+/// set pin as output
+#define _SET_OUTPUT(IO)       SET_DIR_OUTPUT(IO)
+
+/// set pin as input with pullup mode
+#define _PULLUP(IO,V)         pinMode(IO, (V) ? INPUT_PULLUP : INPUT)
+
+/// set pin as input with pulldown mode
+#define _PULLDOWN(IO,V)       pinMode(IO, (V) ? INPUT_PULLDOWN : INPUT)
+
+// hg42: all pins can be input or output (I hope)
+// hg42: undefined pins create compile error (IO, is no pin)
+// hg42: currently not used, but was used by pinsDebug
+
+/// check if pin is an input
+#define _IS_INPUT(IO)         (IO >= 0)
+
+/// check if pin is an output
+#define _IS_OUTPUT(IO)        (IO >= 0)
+
+/// Read a pin wrapper
+#define READ(IO)             _READ(IO)
+
+/// Write to a pin wrapper
+#define WRITE(IO,V)          _WRITE(IO,V)
+
+/// toggle a pin wrapper
+#define TOGGLE(IO)           _TOGGLE(IO)
+
+/// set pin as input wrapper
+#define SET_INPUT(IO)        _SET_INPUT(IO)
+/// set pin as input with pullup wrapper
+#define SET_INPUT_PULLUP(IO)  do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
+/// set pin as input with pulldown wrapper
+#define SET_INPUT_PULLDOWN(IO) do{ _SET_INPUT(IO); _PULLDOWN(IO, HIGH); }while(0)
+/// set pin as output wrapper  -  reads the pin and sets the output to that value
+#define SET_OUTPUT(IO)        do{ _WRITE(IO, _READ(IO)); _SET_OUTPUT(IO); }while(0)
+// set pin as PWM
+#define SET_PWM(IO)           SET_OUTPUT(IO)
+
+/// check if pin is an input wrapper
+#define IS_INPUT(IO)         _IS_INPUT(IO)
+/// check if pin is an output wrapper
+#define IS_OUTPUT(IO)        _IS_OUTPUT(IO)
+
+// Shorthand
+#define OUT_WRITE(IO,V)       do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
+
+// digitalRead/Write wrappers
+#define extDigitalRead(IO)    digitalRead(IO)
+#define extDigitalWrite(IO,V) digitalWrite(IO,V)

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

@@ -0,0 +1,22 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once

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

@@ -0,0 +1,31 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+// Add strcmp_P if missing
+#ifndef strcmp_P
+  #define strcmp_P(a, b) strcmp((a), (b))
+#endif
+
+#ifndef strcat_P
+  #define strcat_P(dest, src) strcat((dest), (src))
+#endif

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

@@ -0,0 +1,22 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once

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

@@ -0,0 +1,43 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Test X86_64-specific configuration values for errors at compile-time.
+ */
+
+// Emulating RAMPS
+#if ENABLED(SPINDLE_LASER_USE_PWM) && !(SPINDLE_LASER_PWM_PIN == 4 || SPINDLE_LASER_PWM_PIN == 6 || SPINDLE_LASER_PWM_PIN == 11)
+  #error "SPINDLE_LASER_PWM_PIN must use SERVO0, SERVO1 or SERVO3 connector"
+#endif
+
+#if ENABLED(FAST_PWM_FAN) || SPINDLE_LASER_FREQUENCY
+  #error "Features requiring Hardware PWM (FAST_PWM_FAN, SPINDLE_LASER_FREQUENCY) are not yet supported on LINUX."
+#endif
+
+#if HAS_TMC_SW_SERIAL
+  #error "TMC220x Software Serial is not supported on LINUX."
+#endif
+
+#if ENABLED(POSTMORTEM_DEBUGGING)
+  #error "POSTMORTEM_DEBUGGING is not yet supported on LINUX."
+#endif

Marlin/src/HAL/NATIVE_SIM/pinsDebug.h

@@ -0,0 +1,61 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Support routines for X86_64
+ */
+#pragma once
+
+/**
+ * Translation of routines & variables used by pinsDebug.h
+ */
+
+#define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS
+#define pwm_details(pin) pin = pin    // do nothing  // print PWM details
+#define pwm_status(pin) false //Print a pin's PWM status. Return true if it's currently a PWM pin.
+#define IS_ANALOG(P) (DIGITAL_PIN_TO_ANALOG_PIN(P) >= 0 ? 1 : 0)
+#define digitalRead_mod(p)  digitalRead(p)
+#define PRINT_PORT(p)
+#define GET_ARRAY_PIN(p) pin_array[p].pin
+#define PRINT_ARRAY_NAME(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("%3d "), p); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)
+#define MULTI_NAME_PAD 16 // space needed to be pretty if not first name assigned to a pin
+
+// active ADC function/mode/code values for PINSEL registers
+inline constexpr int8_t ADC_pin_mode(pin_t pin) {
+  return (-1);
+}
+
+inline int8_t get_pin_mode(pin_t pin) {
+  if (!VALID_PIN(pin)) return -1;
+  return 0;
+}
+
+inline bool GET_PINMODE(pin_t pin) {
+  int8_t pin_mode = get_pin_mode(pin);
+  if (pin_mode == -1 || pin_mode == ADC_pin_mode(pin)) // found an invalid pin or active analog pin
+    return false;
+
+  return (Gpio::getMode(pin) != 0); //input/output state
+}
+
+inline bool GET_ARRAY_IS_DIGITAL(pin_t pin) {
+  return (!IS_ANALOG(pin) || get_pin_mode(pin) != ADC_pin_mode(pin));
+}

Marlin/src/HAL/NATIVE_SIM/servo_private.h

@@ -0,0 +1,80 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * servo.h - Interrupt driven Servo library for Arduino using 16 bit timers- Version 2
+ * Copyright (c) 2009 Michael Margolis.  All right reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+/**
+ * Based on "servo.h - Interrupt driven Servo library for Arduino using 16 bit timers -
+ *           Version 2 Copyright (c) 2009 Michael Margolis.  All right reserved.
+ *
+ * The only modification was to update/delete macros to match the LPC176x.
+ *
+ */
+
+#include <stdint.h>
+
+// Macros
+//values in microseconds
+#define MIN_PULSE_WIDTH       544     // the shortest pulse sent to a servo
+#define MAX_PULSE_WIDTH      2400     // the longest pulse sent to a servo
+#define DEFAULT_PULSE_WIDTH  1500     // default pulse width when servo is attached
+#define REFRESH_INTERVAL    20000     // minimum time to refresh servos in microseconds
+
+#define MAX_SERVOS             4
+
+#define INVALID_SERVO         255     // flag indicating an invalid servo index
+
+
+// Types
+
+typedef struct {
+  uint8_t nbr        : 8 ;            // a pin number from 0 to 254 (255 signals invalid pin)
+  uint8_t isActive   : 1 ;            // true if this channel is enabled, pin not pulsed if false
+} ServoPin_t;
+
+typedef struct {
+  ServoPin_t Pin;
+  unsigned int pulse_width;           // pulse width in microseconds
+} ServoInfo_t;
+
+// Global variables
+
+extern uint8_t ServoCount;
+extern ServoInfo_t servo_info[MAX_SERVOS];

Marlin/src/HAL/NATIVE_SIM/spi_pins.h

@@ -0,0 +1,55 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../core/macros.h"
+#include "../../inc/MarlinConfigPre.h"
+
+#if BOTH(HAS_MARLINUI_U8GLIB, SDSUPPORT) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_ENABLE == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
+  #define LPC_SOFTWARE_SPI  // If the SD card and LCD adapter share the same SPI pins, then software SPI is currently
+                            // needed due to the speed and mode required for communicating with each device being different.
+                            // This requirement can be removed if the SPI access to these devices is updated to use
+                            // spiBeginTransaction.
+#endif
+
+// Onboard SD
+//#define SD_SCK_PIN     P0_07
+//#define SD_MISO_PIN    P0_08
+//#define SD_MOSI_PIN    P0_09
+//#define SD_SS_PIN      P0_06
+
+// External SD
+#ifndef SD_SCK_PIN
+  #define SD_SCK_PIN        50
+#endif
+#ifndef SD_MISO_PIN
+  #define SD_MISO_PIN       51
+#endif
+#ifndef SD_MOSI_PIN
+  #define SD_MOSI_PIN       52
+#endif
+#ifndef SD_SS_PIN
+  #define SD_SS_PIN         53
+#endif
+#ifndef SDSS
+  #define SDSS       SD_SS_PIN
+#endif

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

@@ -0,0 +1,64 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../../inc/MarlinConfig.h"
+
+#ifndef LCD_READ_ID
+  #define LCD_READ_ID  0x04   // Read display identification information (0xD3 on ILI9341)
+#endif
+#ifndef LCD_READ_ID4
+  #define LCD_READ_ID4 0xD3   // Read display identification information (0xD3 on ILI9341)
+#endif
+
+#define DATASIZE_8BIT    8
+#define DATASIZE_16BIT   16
+#define TFT_IO_DRIVER TFT_SPI
+
+#define DMA_MINC_ENABLE 1
+#define DMA_MINC_DISABLE 0
+
+class TFT_SPI {
+private:
+  static uint32_t ReadID(uint16_t Reg);
+  static void Transmit(uint16_t Data);
+  static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
+
+public:
+  // static SPIClass SPIx;
+
+  static void Init();
+  static uint32_t GetID();
+  static bool isBusy();
+  static void Abort();
+
+  static void DataTransferBegin(uint16_t DataWidth = DATASIZE_16BIT);
+  static void DataTransferEnd();
+  static void DataTransferAbort();
+
+  static void WriteData(uint16_t Data);
+  static void WriteReg(uint16_t Reg);
+
+  static void WriteSequence(uint16_t *Data, uint16_t Count);
+  // static void WriteMultiple(uint16_t Color, uint16_t Count);
+  static void WriteMultiple(uint16_t Color, uint32_t Count);
+};

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

@@ -0,0 +1,80 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ENABLED(TOUCH_BUTTONS_HW_SPI)
+  #include <SPI.h>
+#endif
+
+#ifndef TOUCH_MISO_PIN
+  #define TOUCH_MISO_PIN SD_MISO_PIN
+#endif
+#ifndef TOUCH_MOSI_PIN
+  #define TOUCH_MOSI_PIN SD_MOSI_PIN
+#endif
+#ifndef TOUCH_SCK_PIN
+  #define TOUCH_SCK_PIN  SD_SCK_PIN
+#endif
+#ifndef TOUCH_CS_PIN
+  #define TOUCH_CS_PIN   SD_SS_PIN
+#endif
+#ifndef TOUCH_INT_PIN
+  #define TOUCH_INT_PIN  -1
+#endif
+
+#define XPT2046_DFR_MODE        0x00
+#define XPT2046_SER_MODE        0x04
+#define XPT2046_CONTROL         0x80
+
+enum XPTCoordinate : uint8_t {
+  XPT2046_X  = 0x10 | XPT2046_CONTROL | XPT2046_DFR_MODE,
+  XPT2046_Y  = 0x50 | XPT2046_CONTROL | XPT2046_DFR_MODE,
+  XPT2046_Z1 = 0x30 | XPT2046_CONTROL | XPT2046_DFR_MODE,
+  XPT2046_Z2 = 0x40 | XPT2046_CONTROL | XPT2046_DFR_MODE,
+};
+
+#if !defined(XPT2046_Z1_THRESHOLD)
+  #define XPT2046_Z1_THRESHOLD 10
+#endif
+
+class XPT2046 {
+private:
+  static bool isBusy() { return false; }
+
+  static uint16_t getRawData(const XPTCoordinate coordinate);
+  static bool isTouched();
+
+  static inline void DataTransferBegin();
+  static inline void DataTransferEnd();
+  #if ENABLED(TOUCH_BUTTONS_HW_SPI)
+    static uint16_t HardwareIO(uint16_t data);
+  #endif
+  static uint16_t SoftwareIO(uint16_t data);
+  static uint16_t IO(uint16_t data = 0);
+
+public:
+  #if ENABLED(TOUCH_BUTTONS_HW_SPI)
+    static SPIClass SPIx;
+  #endif
+
+  static void Init();
+  static bool getRawPoint(int16_t *x, int16_t *y);
+};

Marlin/src/HAL/NATIVE_SIM/timers.h

@@ -0,0 +1,91 @@
+/**
+ * Marlin 3D Printer Firmware
+ *
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * HAL timers for Linux X86_64
+ */
+
+#include <stdint.h>
+
+// ------------------------
+// Defines
+// ------------------------
+
+#define FORCE_INLINE __attribute__((always_inline)) inline
+
+typedef uint64_t hal_timer_t;
+#define HAL_TIMER_TYPE_MAX 0xFFFFFFFFFFFFFFFF
+
+#define HAL_TIMER_RATE         ((SystemCoreClock) / 4)  // frequency of timers peripherals
+
+#ifndef STEP_TIMER_NUM
+  #define STEP_TIMER_NUM        0  // Timer Index for Stepper
+#endif
+#ifndef PULSE_TIMER_NUM
+  #define PULSE_TIMER_NUM       STEP_TIMER_NUM
+#endif
+#ifndef TEMP_TIMER_NUM
+  #define TEMP_TIMER_NUM        1  // Timer Index for Temperature
+#endif
+#ifndef SYSTICK_TIMER_NUM
+  #define SYSTICK_TIMER_NUM     2 // Timer Index for Systick
+#endif
+#define SYSTICK_TIMER_FREQUENCY 1000
+
+#define TEMP_TIMER_RATE        1000000
+#define TEMP_TIMER_FREQUENCY   1000 // temperature interrupt frequency
+
+#define STEPPER_TIMER_RATE     HAL_TIMER_RATE   // frequency of stepper timer (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE)
+#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs
+#define STEPPER_TIMER_PRESCALE (CYCLES_PER_MICROSECOND / STEPPER_TIMER_TICKS_PER_US)
+
+#define PULSE_TIMER_RATE       STEPPER_TIMER_RATE   // frequency of pulse timer
+#define PULSE_TIMER_PRESCALE   STEPPER_TIMER_PRESCALE
+#define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
+
+#define ENABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_enable_interrupt(STEP_TIMER_NUM)
+#define DISABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_disable_interrupt(STEP_TIMER_NUM)
+#define STEPPER_ISR_ENABLED() HAL_timer_interrupt_enabled(STEP_TIMER_NUM)
+
+#define ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(TEMP_TIMER_NUM)
+#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(TEMP_TIMER_NUM)
+
+#ifndef HAL_STEP_TIMER_ISR
+  #define HAL_STEP_TIMER_ISR()  extern "C" void TIMER0_IRQHandler()
+#endif
+#ifndef HAL_TEMP_TIMER_ISR
+  #define HAL_TEMP_TIMER_ISR()  extern "C" void TIMER1_IRQHandler()
+#endif
+
+void HAL_timer_init();
+void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency);
+
+void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t compare);
+hal_timer_t HAL_timer_get_compare(const uint8_t timer_num);
+hal_timer_t HAL_timer_get_count(const uint8_t timer_num);
+
+void HAL_timer_enable_interrupt(const uint8_t timer_num);
+void HAL_timer_disable_interrupt(const uint8_t timer_num);
+bool HAL_timer_interrupt_enabled(const uint8_t timer_num);
+
+#define HAL_timer_isr_prologue(TIMER_NUM)
+#define HAL_timer_isr_epilogue(TIMER_NUM)

Marlin/src/HAL/NATIVE_SIM/u8g/LCD_I2C_routines.cpp

@@ -0,0 +1,52 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+// adapted from  I2C/master/master.c example
+//   https://www-users.cs.york.ac.uk/~pcc/MCP/HAPR-Course-web/CMSIS/examples/html/master_8c_source.html
+
+#ifdef __PLAT_NATIVE_SIM__
+
+#include <cstdint>
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+uint8_t u8g_i2c_start(const uint8_t sla) {
+  return 1;
+}
+
+void u8g_i2c_init(const uint8_t clock_option) {
+}
+
+uint8_t u8g_i2c_send_byte(uint8_t data) {
+  return 1;
+}
+
+void u8g_i2c_stop() {
+}
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif // __PLAT_NATIVE_SIM__

Marlin/src/HAL/NATIVE_SIM/u8g/LCD_I2C_routines.h

@@ -0,0 +1,37 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+void u8g_i2c_init(const uint8_t clock_options);
+//uint8_t u8g_i2c_wait(uint8_t mask, uint8_t pos);
+uint8_t u8g_i2c_start(uint8_t sla);
+uint8_t u8g_i2c_send_byte(uint8_t data);
+void u8g_i2c_stop();
+
+#ifdef __cplusplus
+  }
+#endif
+

Marlin/src/HAL/NATIVE_SIM/u8g/LCD_defines.h

@@ -0,0 +1,44 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+void usleep(uint64_t microsec);
+// The following are optional depending on the platform.
+
+// definitions of HAL specific com and device drivers.
+uint8_t u8g_com_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+uint8_t u8g_com_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+
+// connect U8g com generic com names to the desired driver
+#define U8G_COM_SW_SPI u8g_com_sw_spi_fn
+#define U8G_COM_ST7920_SW_SPI u8g_com_ST7920_sw_spi_fn
+
+// let these default for now
+#define U8G_COM_HW_SPI u8g_com_null_fn
+#define U8G_COM_ST7920_HW_SPI u8g_com_null_fn
+#define U8G_COM_SSD_I2C u8g_com_null_fn
+#define U8G_COM_PARALLEL u8g_com_null_fn
+#define U8G_COM_T6963 u8g_com_null_fn
+#define U8G_COM_FAST_PARALLEL u8g_com_null_fn
+#define U8G_COM_UC_I2C u8g_com_null_fn
+
+

Marlin/src/HAL/NATIVE_SIM/u8g/LCD_delay.h

@@ -0,0 +1,43 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * LCD delay routines - used by all the drivers.
+ *
+ * These are based on the LPC1768 routines.
+ *
+ * Couldn't just call exact copies because the overhead
+ * results in a one microsecond delay taking about 4µS.
+ */
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+void U8g_delay(int msec);
+void u8g_MicroDelay();
+void u8g_10MicroDelay();
+
+#ifdef __cplusplus
+  }
+#endif

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

@@ -0,0 +1,52 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Low level pin manipulation routines - used by all the drivers.
+ *
+ * These are based on the LPC1768 pinMode, digitalRead & digitalWrite routines.
+ *
+ * Couldn't just call exact copies because the overhead killed the LCD update speed
+ * With an intermediate level the softspi was running in the 10-20kHz range which
+ * resulted in using about about 25% of the CPU's time.
+ */
+
+#ifdef __PLAT_NATIVE_SIM__
+
+#include "../fastio.h"
+#include "LCD_pin_routines.h"
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+void u8g_SetPinOutput(uint8_t internal_pin_number){SET_DIR_OUTPUT(internal_pin_number);}
+void u8g_SetPinInput(uint8_t internal_pin_number){SET_DIR_INPUT(internal_pin_number);}
+void u8g_SetPinLevel(uint8_t  pin, uint8_t  pin_status){WRITE_PIN(pin, pin_status);}
+uint8_t u8g_GetPinLevel(uint8_t pin){return READ_PIN(pin);}
+void usleep(uint64_t microsec){
+assert(false); // why we here?
+}
+#ifdef __cplusplus
+  }
+#endif
+
+#endif // __PLAT_NATIVE_SIM__

Marlin/src/HAL/NATIVE_SIM/u8g/LCD_pin_routines.h

@@ -0,0 +1,46 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Low level pin manipulation routines - used by all the drivers.
+ *
+ * These are based on the LPC1768 pinMode, digitalRead & digitalWrite routines.
+ *
+ * Couldn't just call exact copies because the overhead killed the LCD update speed
+ * With an intermediate level the softspi was running in the 10-20kHz range which
+ * resulted in using about about 25% of the CPU's time.
+ */
+
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+void u8g_SetPinOutput(uint8_t internal_pin_number);
+void u8g_SetPinInput(uint8_t internal_pin_number);
+void u8g_SetPinLevel(uint8_t  pin, uint8_t  pin_status);
+uint8_t u8g_GetPinLevel(uint8_t pin);
+
+#ifdef __cplusplus
+  }
+#endif

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

@@ -0,0 +1,171 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_st7920_hw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef __PLAT_NATIVE_SIM__
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ENABLED(U8GLIB_ST7920)
+
+#include <U8glib-HAL.h>
+#include "../../shared/Delay.h"
+
+#undef SPI_SPEED
+#define SPI_SPEED 6
+#define SPI_DELAY_CYCLES (1 + SPI_SPEED * 10)
+
+static pin_t SCK_pin_ST7920_HAL, MOSI_pin_ST7920_HAL_HAL;
+static uint8_t SPI_speed = 0;
+
+static uint8_t swSpiTransfer(uint8_t b, const uint8_t spi_speed, const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin) {
+  for (uint8_t i = 0; i < 8; i++) {
+    WRITE_PIN(mosi_pin, !!(b & 0x80));
+    DELAY_CYCLES(SPI_SPEED);
+    WRITE_PIN(sck_pin, HIGH);
+    DELAY_CYCLES(SPI_SPEED);
+    b <<= 1;
+    if (miso_pin >= 0 && READ_PIN(miso_pin)) b |= 1;
+    WRITE_PIN(sck_pin, LOW);
+    DELAY_CYCLES(SPI_SPEED);
+  }
+  return b;
+}
+
+static uint8_t swSpiInit(const uint8_t spiRate, const pin_t sck_pin, const pin_t mosi_pin) {
+  WRITE_PIN(mosi_pin, HIGH);
+  WRITE_PIN(sck_pin, LOW);
+  return spiRate;
+}
+
+static void u8g_com_st7920_write_byte_sw_spi(uint8_t rs, uint8_t val) {
+  static uint8_t rs_last_state = 255;
+  if (rs != rs_last_state) {
+    // Transfer Data (FA) or Command (F8)
+    swSpiTransfer(rs ? 0x0FA : 0x0F8, SPI_speed, SCK_pin_ST7920_HAL, -1, MOSI_pin_ST7920_HAL_HAL);
+    rs_last_state = rs;
+    DELAY_US(40); // Give the controller time to process the data: 20 is bad, 30 is OK, 40 is safe
+  }
+  swSpiTransfer(val & 0x0F0, SPI_speed, SCK_pin_ST7920_HAL, -1, MOSI_pin_ST7920_HAL_HAL);
+  swSpiTransfer(val << 4, SPI_speed, SCK_pin_ST7920_HAL, -1, MOSI_pin_ST7920_HAL_HAL);
+}
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+uint8_t u8g_com_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+      SCK_pin_ST7920_HAL = u8g->pin_list[U8G_PI_SCK];
+      MOSI_pin_ST7920_HAL_HAL = u8g->pin_list[U8G_PI_MOSI];
+
+      u8g_SetPIOutput(u8g, U8G_PI_CS);
+      u8g_SetPIOutput(u8g, U8G_PI_SCK);
+      u8g_SetPIOutput(u8g, U8G_PI_MOSI);
+      u8g_Delay(5);
+
+      SPI_speed = swSpiInit(SPI_SPEED, SCK_pin_ST7920_HAL, MOSI_pin_ST7920_HAL_HAL);
+
+      u8g_SetPILevel(u8g, U8G_PI_CS, 0);
+      u8g_SetPILevel(u8g, U8G_PI_SCK, 0);
+      u8g_SetPILevel(u8g, U8G_PI_MOSI, 0);
+
+      u8g->pin_list[U8G_PI_A0_STATE] = 0;       /* initial RS state: command mode */
+      break;
+
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_RESET:
+       if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_RESET]) u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
+      break;
+
+    case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+      u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_CS]) u8g_SetPILevel(u8g, U8G_PI_CS, arg_val);  //note: the st7920 has an active high chip select
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      u8g_com_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          u8g_com_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+
+      case U8G_COM_MSG_WRITE_SEQ_P: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          u8g_com_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+  }
+  return 1;
+}
+#ifdef __cplusplus
+  }
+#endif
+
+#endif // U8GLIB_ST7920
+#endif // TARGET_LPC1768

Marlin/src/HAL/NATIVE_SIM/u8g/u8g_com_sw_spi.cpp

@@ -0,0 +1,215 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_std_sw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2015, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef __PLAT_NATIVE_SIM__
+
+#include "../../../inc/MarlinConfig.h"
+
+#if HAS_MARLINUI_U8GLIB && DISABLED(U8GLIB_ST7920)
+
+#undef SPI_SPEED
+#define SPI_SPEED 2  // About 2 MHz
+
+#include <Arduino.h>
+#include <U8glib-HAL.h>
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+uint8_t swSpiTransfer_mode_0(uint8_t b, const uint8_t spi_speed, const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin ) {
+  LOOP_L_N(i, 8) {
+    if (spi_speed == 0) {
+      WRITE_PIN(mosi_pin, !!(b & 0x80));
+      WRITE_PIN(sck_pin, HIGH);
+      b <<= 1;
+      if (miso_pin >= 0 && READ_PIN(miso_pin)) b |= 1;
+      WRITE_PIN(sck_pin, LOW);
+    }
+    else {
+      const uint8_t state = (b & 0x80) ? HIGH : LOW;
+      LOOP_L_N(j, spi_speed)
+        WRITE_PIN(mosi_pin, state);
+
+      LOOP_L_N(j, spi_speed + (miso_pin >= 0 ? 0 : 1))
+        WRITE_PIN(sck_pin, HIGH);
+
+      b <<= 1;
+      if (miso_pin >= 0 && READ_PIN(miso_pin)) b |= 1;
+
+      LOOP_L_N(j, spi_speed)
+        WRITE_PIN(sck_pin, LOW);
+    }
+  }
+
+  return b;
+}
+
+uint8_t swSpiTransfer_mode_3(uint8_t b, const uint8_t spi_speed, const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin ) {
+
+  LOOP_L_N(i, 8) {
+    const uint8_t state = (b & 0x80) ? HIGH : LOW;
+    if (spi_speed == 0) {
+      WRITE_PIN(sck_pin, LOW);
+      WRITE_PIN(mosi_pin, state);
+      WRITE_PIN(mosi_pin, state);  // need some setup time
+      WRITE_PIN(sck_pin, HIGH);
+    }
+    else {
+      LOOP_L_N(j, spi_speed + (miso_pin >= 0 ? 0 : 1))
+        WRITE_PIN(sck_pin, LOW);
+
+      LOOP_L_N(j, spi_speed)
+        WRITE_PIN(mosi_pin, state);
+
+      LOOP_L_N(j, spi_speed)
+        WRITE_PIN(sck_pin, HIGH);
+    }
+    b <<= 1;
+    if (miso_pin >= 0 && READ_PIN(miso_pin)) b |= 1;
+  }
+
+  return b;
+}
+
+static uint8_t SPI_speed = 0;
+
+static uint8_t swSpiInit(const uint8_t spi_speed, const uint8_t clk_pin, const uint8_t mosi_pin) {
+    return spi_speed;
+}
+
+static void u8g_sw_spi_shift_out(uint8_t dataPin, uint8_t clockPin, uint8_t val) {
+  #if EITHER(FYSETC_MINI_12864, MKS_MINI_12864)
+    swSpiTransfer_mode_3(val, SPI_speed, clockPin, -1, dataPin);
+  #else
+    swSpiTransfer_mode_0(val, SPI_speed, clockPin, -1, dataPin);
+  #endif
+}
+
+uint8_t u8g_com_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+      u8g_SetPIOutput(u8g, U8G_PI_SCK);
+      u8g_SetPIOutput(u8g, U8G_PI_MOSI);
+      u8g_SetPIOutput(u8g, U8G_PI_CS);
+      u8g_SetPIOutput(u8g, U8G_PI_A0);
+      if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_RESET]) u8g_SetPIOutput(u8g, U8G_PI_RESET);
+      SPI_speed = swSpiInit(SPI_SPEED, u8g->pin_list[U8G_PI_SCK], u8g->pin_list[U8G_PI_MOSI]);
+      u8g_SetPILevel(u8g, U8G_PI_SCK, 0);
+      u8g_SetPILevel(u8g, U8G_PI_MOSI, 0);
+      break;
+
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_RESET:
+      if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_RESET]) u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      #if EITHER(FYSETC_MINI_12864, MKS_MINI_12864)  // LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {                               //   SCK idle state needs to be set to the proper idle state before
+                                                     //   the next chip select goes active
+          u8g_SetPILevel(u8g, U8G_PI_SCK, 1);        // Set SCK to mode 3 idle state before CS goes active
+          u8g_SetPILevel(u8g, U8G_PI_CS, LOW);
+        }
+        else {
+          u8g_SetPILevel(u8g, U8G_PI_CS, HIGH);
+          u8g_SetPILevel(u8g, U8G_PI_SCK, 0);  // Set SCK to mode 0 idle state after CS goes inactive
+        }
+      #else
+        u8g_SetPILevel(u8g, U8G_PI_CS, !arg_val);
+      #endif
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      u8g_sw_spi_shift_out(u8g->pin_list[U8G_PI_MOSI], u8g->pin_list[U8G_PI_SCK], arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          u8g_sw_spi_shift_out(u8g->pin_list[U8G_PI_MOSI], u8g->pin_list[U8G_PI_SCK], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+
+      case U8G_COM_MSG_WRITE_SEQ_P: {
+        uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          u8g_sw_spi_shift_out(u8g->pin_list[U8G_PI_MOSI], u8g->pin_list[U8G_PI_SCK], u8g_pgm_read(ptr));
+          ptr++;
+          arg_val--;
+        }
+      }
+      break;
+
+    case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+      u8g_SetPILevel(u8g, U8G_PI_A0, arg_val);
+      break;
+  }
+  return 1;
+}
+
+#ifdef __cplusplus
+  }
+#endif
+
+#elif !ANY(TFT_COLOR_UI, TFT_CLASSIC_UI, TFT_LVGL_UI, HAS_MARLINUI_HD44780) && HAS_MARLINUI_U8GLIB
+  #include <U8glib-HAL.h>
+  uint8_t u8g_com_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {return 0;}
+#endif // HAS_MARLINUI_U8GLIB && !U8GLIB_ST7920
+#endif // __PLAT_NATIVE_SIM__

Marlin/src/HAL/NATIVE_SIM/watchdog.h

@@ -0,0 +1,27 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#define WDT_TIMEOUT   4000000 // 4 second timeout
+
+void watchdog_init();
+void HAL_watchdog_refresh();

Marlin/src/HAL/SAMD51/HAL.cpp

@@ -98,7 +98,7 @@
   // Struct must be 32 bits aligned because of DMA accesses but fields needs to be 8 bits packed
   typedef struct  __attribute__((aligned(4), packed)) {
     ADC_INPUTCTRL_Type INPUTCTRL;
-  } HAL_DMA_DAC_Registers;    // DMA transfered registers
+  } HAL_DMA_DAC_Registers;    // DMA transferred registers
 
 #endif
 

Marlin/src/HAL/SAMD51/MarlinSPI.h

@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <SPI.h>
+
+using MarlinSPI = SPIClass;

Marlin/src/HAL/SAMD51/QSPIFlash.h

@@ -25,7 +25,6 @@
  *
  * Derived from Adafruit_SPIFlash class with no SdFat references
  */
-
 #pragma once
 
 #include <Adafruit_SPIFlashBase.h>

Marlin/src/HAL/SAMD51/endstop_interrupts.h

@@ -47,80 +47,38 @@
 
 #include "../../module/endstops.h"
 
-#define MATCH_EILINE(P1,P2)     (P1 != P2 && PIN_TO_EILINE(P1) == PIN_TO_EILINE(P2))
-#if HAS_X_MAX
-  #define MATCH_X_MAX_EILINE(P) MATCH_EILINE(P, X_MAX_PIN)
-#else
-  #define MATCH_X_MAX_EILINE(P) false
-#endif
-#if HAS_X_MIN
-  #define MATCH_X_MIN_EILINE(P) MATCH_EILINE(P, X_MIN_PIN)
-#else
-  #define MATCH_X_MIN_EILINE(P) false
-#endif
-#if HAS_Y_MAX
-   #define MATCH_Y_MAX_EILINE(P) MATCH_EILINE(P, Y_MAX_PIN)
-#else
-   #define MATCH_Y_MAX_EILINE(P) false
-#endif
-#if HAS_Y_MIN
-  #define MATCH_Y_MIN_EILINE(P) MATCH_EILINE(P, Y_MIN_PIN)
-#else
-  #define MATCH_Y_MIN_EILINE(P) false
-#endif
-#if HAS_Z_MAX
-   #define MATCH_Z_MAX_EILINE(P) MATCH_EILINE(P, Z_MAX_PIN)
-#else
-  #define MATCH_Z_MAX_EILINE(P) false
-#endif
-#if HAS_Z_MIN
-  #define MATCH_Z_MIN_EILINE(P) MATCH_EILINE(P, Z_MIN_PIN)
-#else
-  #define MATCH_Z_MIN_EILINE(P) false
-#endif
-#if HAS_Z2_MAX
-  #define MATCH_Z2_MAX_EILINE(P) MATCH_EILINE(P, Z2_MAX_PIN)
-#else
-  #define MATCH_Z2_MAX_EILINE(P) false
-#endif
-#if HAS_Z2_MIN
-  #define MATCH_Z2_MIN_EILINE(P) MATCH_EILINE(P, Z2_MIN_PIN)
-#else
-  #define MATCH_Z2_MIN_EILINE(P) false
-#endif
-#if HAS_Z3_MAX
-  #define MATCH_Z3_MAX_EILINE(P) MATCH_EILINE(P, Z3_MAX_PIN)
-#else
-  #define MATCH_Z3_MAX_EILINE(P) false
-#endif
-#if HAS_Z3_MIN
-  #define MATCH_Z3_MIN_EILINE(P) MATCH_EILINE(P, Z3_MIN_PIN)
-#else
-  #define MATCH_Z3_MIN_EILINE(P) false
-#endif
-#if HAS_Z4_MAX
-  #define MATCH_Z4_MAX_EILINE(P) MATCH_EILINE(P, Z4_MAX_PIN)
-#else
-  #define MATCH_Z4_MAX_EILINE(P) false
-#endif
-#if HAS_Z4_MIN
-  #define MATCH_Z4_MIN_EILINE(P) MATCH_EILINE(P, Z4_MIN_PIN)
-#else
-  #define MATCH_Z4_MIN_EILINE(P) false
-#endif
-#if HAS_Z_MIN_PROBE_PIN
-  #define MATCH_Z_MIN_PROBE_EILINE(P)   MATCH_EILINE(P, Z_MIN_PROBE_PIN)
-#else
-  #define MATCH_Z_MIN_PROBE_EILINE(P) false
-#endif
-#define AVAILABLE_EILINE(P)     (PIN_TO_EILINE(P) != -1                                 \
-                                 && !MATCH_X_MAX_EILINE(P) && !MATCH_X_MIN_EILINE(P)    \
-                                 && !MATCH_Y_MAX_EILINE(P) && !MATCH_Y_MIN_EILINE(P)    \
-                                 && !MATCH_Z_MAX_EILINE(P) && !MATCH_Z_MIN_EILINE(P)    \
-                                 && !MATCH_Z2_MAX_EILINE(P) && !MATCH_Z2_MIN_EILINE(P)  \
-                                 && !MATCH_Z3_MAX_EILINE(P) && !MATCH_Z3_MIN_EILINE(P)  \
-                                 && !MATCH_Z4_MAX_EILINE(P) && !MATCH_Z4_MIN_EILINE(P)  \
-                                 && !MATCH_Z_MIN_PROBE_EILINE(P))
+#define MATCH_EILINE(P1,P2) (P1 != P2 && PIN_TO_EILINE(P1) == PIN_TO_EILINE(P2))
+#define MATCH_X_MAX_EILINE(P)   TERN0(HAS_X_MAX,  DEFER4(MATCH_EILINE)(P, X_MAX_PIN))
+#define MATCH_X_MIN_EILINE(P)   TERN0(HAS_X_MIN,  DEFER4(MATCH_EILINE)(P, X_MIN_PIN))
+#define MATCH_Y_MAX_EILINE(P)   TERN0(HAS_Y_MAX,  DEFER4(MATCH_EILINE)(P, Y_MAX_PIN))
+#define MATCH_Y_MIN_EILINE(P)   TERN0(HAS_Y_MIN,  DEFER4(MATCH_EILINE)(P, Y_MIN_PIN))
+#define MATCH_Z_MAX_EILINE(P)   TERN0(HAS_Z_MAX,  DEFER4(MATCH_EILINE)(P, Z_MAX_PIN))
+#define MATCH_Z_MIN_EILINE(P)   TERN0(HAS_Z_MIN,  DEFER4(MATCH_EILINE)(P, Z_MIN_PIN))
+#define MATCH_I_MAX_EILINE(P)   TERN0(HAS_I_MAX,  DEFER4(MATCH_EILINE)(P, I_MAX_PIN))
+#define MATCH_I_MIN_EILINE(P)   TERN0(HAS_I_MIN,  DEFER4(MATCH_EILINE)(P, I_MIN_PIN))
+#define MATCH_J_MAX_EILINE(P)   TERN0(HAS_J_MAX,  DEFER4(MATCH_EILINE)(P, J_MAX_PIN))
+#define MATCH_J_MIN_EILINE(P)   TERN0(HAS_J_MIN,  DEFER4(MATCH_EILINE)(P, J_MIN_PIN))
+#define MATCH_K_MAX_EILINE(P)   TERN0(HAS_K_MAX,  DEFER4(MATCH_EILINE)(P, K_MAX_PIN))
+#define MATCH_K_MIN_EILINE(P)   TERN0(HAS_K_MIN,  DEFER4(MATCH_EILINE)(P, K_MIN_PIN))
+#define MATCH_Z2_MAX_EILINE(P)  TERN0(HAS_Z2_MAX, DEFER4(MATCH_EILINE)(P, Z2_MAX_PIN))
+#define MATCH_Z2_MIN_EILINE(P)  TERN0(HAS_Z2_MIN, DEFER4(MATCH_EILINE)(P, Z2_MIN_PIN))
+#define MATCH_Z3_MAX_EILINE(P)  TERN0(HAS_Z3_MAX, DEFER4(MATCH_EILINE)(P, Z3_MAX_PIN))
+#define MATCH_Z3_MIN_EILINE(P)  TERN0(HAS_Z3_MIN, DEFER4(MATCH_EILINE)(P, Z3_MIN_PIN))
+#define MATCH_Z4_MAX_EILINE(P)  TERN0(HAS_Z4_MAX, DEFER4(MATCH_EILINE)(P, Z4_MAX_PIN))
+#define MATCH_Z4_MIN_EILINE(P)  TERN0(HAS_Z4_MIN, DEFER4(MATCH_EILINE)(P, Z4_MIN_PIN))
+#define MATCH_Z_MIN_PROBE_EILINE(P) TERN0(HAS_Z_MIN_PROBE_PIN, DEFER4(MATCH_EILINE)(P, Z_MIN_PROBE_PIN))
+
+#define AVAILABLE_EILINE(P) ( PIN_TO_EILINE(P) != -1    \
+  && !MATCH_X_MAX_EILINE(P) && !MATCH_X_MIN_EILINE(P)   \
+  && !MATCH_Y_MAX_EILINE(P) && !MATCH_Y_MIN_EILINE(P)   \
+  && !MATCH_Z_MAX_EILINE(P) && !MATCH_Z_MIN_EILINE(P)   \
+  && !MATCH_I_MAX_EILINE(P) && !MATCH_I_MIN_EILINE(P)   \
+  && !MATCH_J_MAX_EILINE(P) && !MATCH_J_MIN_EILINE(P)   \
+  && !MATCH_K_MAX_EILINE(P) && !MATCH_K_MIN_EILINE(P)   \
+  && !MATCH_Z2_MAX_EILINE(P) && !MATCH_Z2_MIN_EILINE(P) \
+  && !MATCH_Z3_MAX_EILINE(P) && !MATCH_Z3_MIN_EILINE(P) \
+  && !MATCH_Z4_MAX_EILINE(P) && !MATCH_Z4_MIN_EILINE(P) \
+  && !MATCH_Z_MIN_PROBE_EILINE(P) )
 
 // One ISR for all EXT-Interrupts
 void endstop_ISR() { endstops.update(); }
@@ -205,4 +163,40 @@ void setup_endstop_interrupts() {
     #endif
     _ATTACH(Z_MIN_PROBE_PIN);
   #endif
+  #if HAS_I_MAX
+    #if !AVAILABLE_EILINE(I_MAX_PIN)
+      #error "I_MAX_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(I_MAX_PIN, endstop_ISR, CHANGE);
+  #endif
+  #if HAS_I_MIN
+    #if !AVAILABLE_EILINE(I_MIN_PIN)
+      #error "I_MIN_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(I_MIN_PIN, endstop_ISR, CHANGE);
+  #endif
+  #if HAS_J_MAX
+    #if !AVAILABLE_EILINE(J_MAX_PIN)
+      #error "J_MAX_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(J_MAX_PIN, endstop_ISR, CHANGE);
+  #endif
+  #if HAS_J_MIN
+    #if !AVAILABLE_EILINE(J_MIN_PIN)
+      #error "J_MIN_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(J_MIN_PIN, endstop_ISR, CHANGE);
+  #endif
+  #if HAS_K_MAX
+    #if !AVAILABLE_EILINE(K_MAX_PIN)
+      #error "K_MAX_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(K_MAX_PIN, endstop_ISR, CHANGE);
+  #endif
+  #if HAS_K_MIN
+    #if !AVAILABLE_EILINE(K_MIN_PIN)
+      #error "K_MIN_PIN has no EXTINT line available."
+    #endif
+    attachInterrupt(K_MIN_PIN, endstop_ISR, CHANGE);
+  #endif
 }

Marlin/src/HAL/SAMD51/fastio.h

@@ -131,7 +131,7 @@
    */
   #define PWM_PIN(P)        (WITHIN(P, 2, 13) || WITHIN(P, 22, 23) || WITHIN(P, 44, 45) || P == 48)
 
-  // Return fullfilled ADCx->INPUTCTRL.reg
+  // Return fulfilled ADCx->INPUTCTRL.reg
   #define PIN_TO_INPUTCTRL(P)     (  (PIN_TO_AIN(P) == 0) ? ADC_INPUTCTRL_MUXPOS_AIN0   \
                                    : (PIN_TO_AIN(P) == 1) ? ADC_INPUTCTRL_MUXPOS_AIN1   \
                                    : (PIN_TO_AIN(P) == 2) ? ADC_INPUTCTRL_MUXPOS_AIN2   \

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

@@ -31,7 +31,8 @@
   #error "No custom SD drive cable defined for this board."
 #endif
 
-#if defined(MAX6675_SCK_PIN) && defined(MAX6675_DO_PIN) && (MAX6675_SCK_PIN == SCK1 || MAX6675_DO_PIN == MISO1)
+#if (defined(TEMP_0_SCK_PIN) && defined(TEMP_0_MISO_PIN) && (TEMP_0_SCK_PIN == SCK1 || TEMP_0_MISO_PIN == MISO1)) || \
+    (defined(TEMP_1_SCK_PIN) && defined(TEMP_1_MISO_PIN) && (TEMP_1_SCK_PIN == SCK1 || TEMP_1_MISO_PIN == MISO1))
   #error "OnBoard SPI BUS can't be shared with other devices."
 #endif
 

Marlin/src/HAL/SAMD51/pinsDebug.h

@@ -26,6 +26,7 @@
 #define PRINT_PORT(p) do{ SERIAL_ECHOPGM("  Port: "); sprintf_P(buffer, PSTR("%c%02ld"), 'A' + g_APinDescription[p].ulPort, g_APinDescription[p].ulPin); SERIAL_ECHO(buffer); }while (0)
 #define PRINT_ARRAY_NAME(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0)
 #define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("%3d "), p); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)
 #define GET_ARRAY_PIN(p) pin_array[p].pin
 #define GET_ARRAY_IS_DIGITAL(p) pin_array[p].is_digital
 #define VALID_PIN(pin) (pin >= 0 && pin < (int8_t)NUMBER_PINS_TOTAL)
@@ -47,7 +48,7 @@ bool GET_PINMODE(int8_t pin) {  // 1: output, 0: input
 void pwm_details(int32_t pin) {
   if (pwm_status(pin)) {
     //uint32_t chan = g_APinDescription[pin].ulPWMChannel TODO when fast pwm is operative;
-    //SERIAL_ECHOPAIR("PWM = ", duty);
+    //SERIAL_ECHOPGM("PWM = ", duty);
   }
 }
 

Marlin/src/HAL/SAMD51/timers.cpp

@@ -107,7 +107,7 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
     tc->COUNT32.INTENCLR.reg = TC_INTENCLR_OVF; // disable overflow interrupt
 
     // TCn clock setup
-    const uint8_t clockID = GCLK_CLKCTRL_IDs[TCC_INST_NUM + timer_num];   // TC clock are preceeded by TCC ones
+    const uint8_t clockID = GCLK_CLKCTRL_IDs[TCC_INST_NUM + timer_num];   // TC clock are preceded by TCC ones
     GCLK->PCHCTRL[clockID].bit.CHEN = false;
     SYNC(GCLK->PCHCTRL[clockID].bit.CHEN);
     GCLK->PCHCTRL[clockID].reg = GCLK_PCHCTRL_GEN_GCLK0 | GCLK_PCHCTRL_CHEN;   // 120MHz startup code programmed

Marlin/src/HAL/STM32/HAL.cpp

@@ -20,7 +20,9 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
-#if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
+#include "../platforms.h"
+
+#ifdef HAL_STM32
 
 #include "HAL.h"
 #include "usb_serial.h"
@@ -61,8 +63,6 @@ TERN_(POSTMORTEM_DEBUGGING, extern void install_min_serial());
 
 // HAL initialization task
 void HAL_init() {
-  FastIO_init();
-
   // Ensure F_CPU is a constant expression.
   // If the compiler breaks here, it means that delay code that should compute at compile time will not work.
   // So better safe than sorry here.
@@ -91,15 +91,13 @@ void HAL_init() {
     USB_Hook_init();
   #endif
 
-  TERN_(POSTMORTEM_DEBUGGING, install_min_serial()); // Install the min serial handler
+  TERN_(POSTMORTEM_DEBUGGING, install_min_serial());    // Install the min serial handler
 
-  #if HAS_SD_HOST_DRIVE
-    MSC_SD_init();                         // Enable USB SD card access
-  #endif
+  TERN_(HAS_SD_HOST_DRIVE, MSC_SD_init());              // Enable USB SD card access
 
   #if PIN_EXISTS(USB_CONNECT)
-    OUT_WRITE(USB_CONNECT_PIN, !USB_CONNECT_INVERTING);  // USB clear connection
-    delay(1000);                                         // Give OS time to notice
+    OUT_WRITE(USB_CONNECT_PIN, !USB_CONNECT_INVERTING); // USB clear connection
+    delay(1000);                                        // Give OS time to notice
     WRITE(USB_CONNECT_PIN, USB_CONNECT_INVERTING);
   #endif
 }
@@ -167,4 +165,4 @@ void HAL_SYSTICK_Callback() {
   if (systick_user_callback) systick_user_callback();
 }
 
-#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC
+#endif // HAL_STM32

Marlin/src/HAL/STM32/HAL.h

@@ -37,6 +37,13 @@
 
 #include <stdint.h>
 
+//
+// Default graphical display delays
+//
+#define CPU_ST7920_DELAY_1 300
+#define CPU_ST7920_DELAY_2  40
+#define CPU_ST7920_DELAY_3 340
+
 //
 // Serial Ports
 //
@@ -176,8 +183,13 @@ static inline int freeMemory() {
 
 #define HAL_ANALOG_SELECT(pin) pinMode(pin, INPUT)
 
+#ifdef ADC_RESOLUTION
+  #define HAL_ADC_RESOLUTION ADC_RESOLUTION
+#else
+  #define HAL_ADC_RESOLUTION 12
+#endif
+
 #define HAL_ADC_VREF         3.3
-#define HAL_ADC_RESOLUTION  ADC_RESOLUTION // 12
 #define HAL_START_ADC(pin)  HAL_adc_start_conversion(pin)
 #define HAL_READ_ADC()      HAL_adc_result
 #define HAL_ADC_READY()     true
@@ -195,6 +207,7 @@ uint16_t HAL_adc_get_result();
 #ifdef STM32F1xx
   #define JTAG_DISABLE() AFIO_DBGAFR_CONFIG(AFIO_MAPR_SWJ_CFG_JTAGDISABLE)
   #define JTAGSWD_DISABLE() AFIO_DBGAFR_CONFIG(AFIO_MAPR_SWJ_CFG_DISABLE)
+  #define JTAGSWD_RESET() AFIO_DBGAFR_CONFIG(AFIO_MAPR_SWJ_CFG_RESET); // Reset: FULL SWD+JTAG
 #endif
 
 #define PLATFORM_M997_SUPPORT

Marlin/src/HAL/STM32/HAL_MinSerial.cpp

@@ -20,7 +20,9 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
-#if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
+#include "../platforms.h"
+
+#ifdef HAL_STM32
 
 #include "../../inc/MarlinConfigPre.h"
 
@@ -123,7 +125,7 @@ static void TX(char c) {
     }
     regs->DR = c;
   #else
-    // Let's hope a mystical guru will fix this, one day by writting interrupt-free USB CDC ACM code (or, at least, by polling the registers since interrupt will be queued but will never trigger)
+    // Let's hope a mystical guru will fix this, one day by writing interrupt-free USB CDC ACM code (or, at least, by polling the registers since interrupt will be queued but will never trigger)
     // For now, it's completely lost to oblivion.
   #endif
 }
@@ -149,4 +151,4 @@ extern "C" {
 #endif
 
 #endif // POSTMORTEM_DEBUGGING
-#endif // ARDUINO_ARCH_STM32
+#endif // HAL_STM32

Marlin/src/HAL/STM32/HAL_SPI.cpp

@@ -20,7 +20,9 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
-#if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
+#include "../platforms.h"
+
+#ifdef HAL_STM32
 
 #include "../../inc/MarlinConfig.h"
 
@@ -163,11 +165,9 @@ static SPISettings spiConfig;
     }
     spiConfig = SPISettings(clock, MSBFIRST, SPI_MODE0);
 
-    #if ENABLED(CUSTOM_SPI_PINS)
-      SPI.setMISO(SD_MISO_PIN);
-      SPI.setMOSI(SD_MOSI_PIN);
-      SPI.setSCLK(SD_SCK_PIN);
-    #endif
+    SPI.setMISO(SD_MISO_PIN);
+    SPI.setMOSI(SD_MOSI_PIN);
+    SPI.setSCLK(SD_SCK_PIN);
 
     SPI.begin();
   }
@@ -226,4 +226,4 @@ static SPISettings spiConfig;
 
 #endif // SOFTWARE_SPI
 
-#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC
+#endif // HAL_STM32