Dual Markforged XY First Pass

This reverts commit 90f10e8943, reversing
changes made to a303ede8b9.

.github/workflows/ci-build-tests.yml

@@ -1,9 +1,9 @@
 #
-# test-builds.yml
+# ci-build-tests.yml
 # Do test builds to catch compile errors
 #
 
-name: CI
+name: CI - Build Tests
 
 on:
   pull_request:
@@ -14,6 +14,8 @@ on:
     - config/**
     - data/**
     - docs/**
+    - test/**
+    - Marlin/tests/**
     - '**/*.md'
   push:
     branches:
@@ -23,11 +25,13 @@ on:
     - config/**
     - data/**
     - docs/**
+    - test/**
+    - Marlin/tests/**
     - '**/*.md'
 
 jobs:
   test_builds:
-    name: Run All Tests
+    name: Build Test
     if: github.repository == 'MarlinFirmware/Marlin'
 
     runs-on: ubuntu-latest

.github/workflows/ci-unit-tests.yml

@@ -0,0 +1,73 @@
+#
+# ci-unit-tests.yml
+# Build and execute unit tests to catch functional issues in code
+#
+
+name: CI - Unit Tests
+
+on:
+  pull_request:
+    branches:
+    - bugfix-2.1.x
+    # Cannot be enabled on 2.1.x until it contains the unit test framework
+    #- 2.1.x
+    paths-ignore:
+    - config/**
+    - data/**
+    - docs/**
+    - '**/*.md'
+  push:
+    branches:
+    - bugfix-2.1.x
+    # Cannot be enabled on 2.1.x until it contains the unit test framework
+    #- 2.1.x
+    paths-ignore:
+    - config/**
+    - data/**
+    - docs/**
+    - '**/*.md'
+
+jobs:
+  # This runs all unit tests as a single job. While it should be possible to break this up into
+  # multiple jobs, they currently run quickly and finish long before the compilation tests.
+  run_unit_tests:
+    name: Unit Test
+    # These tests will only be able to run on the bugfix-2.1.x branch, until the next release
+    # pulls them into additional branches.
+    if: github.repository == 'MarlinFirmware/Marlin'
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check out the PR
+      uses: actions/checkout@v4
+
+    - name: Cache pip
+      uses: actions/cache@v4
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+
+    - name: Cache PlatformIO
+      uses: actions/cache@v4
+      with:
+        path: ~/.platformio
+        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
+
+    - name: Select Python 3.9
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.9'
+        architecture: 'x64'
+
+    - name: Install PlatformIO
+      run: |
+        pip install -U platformio
+        pio upgrade --dev
+        pio pkg update --global
+
+    - name: Run All Unit Tests
+      run: |
+        make unit-test-all-local

.github/workflows/ci-validate-pins.yml

@@ -0,0 +1,51 @@
+#
+# ci-validate-pins.yml
+# Validate that all of the pins files are unchanged by pinsformat.py
+#
+
+name: CI - Validate Pins Files
+
+on:
+  pull_request:
+    branches:
+    - bugfix-2.1.x
+    # Cannot be enabled on 2.1.x until it contains the unit test framework
+    #- 2.1.x
+    paths:
+    - 'Marlin/src/pins/*/**'
+  push:
+    branches:
+    - bugfix-2.1.x
+    # Cannot be enabled on 2.1.x until it contains the unit test framework
+    #- 2.1.x
+    paths:
+    - 'Marlin/src/pins/*/**'
+
+jobs:
+  validate_pins_files:
+    name: Validate Pins Files
+    if: github.repository == 'MarlinFirmware/Marlin'
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check out the PR
+      uses: actions/checkout@v4
+
+    - name: Cache pip
+      uses: actions/cache@v4
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+
+    - name: Select Python 3.9
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.9'
+        architecture: 'x64'
+
+    - name: Validate all pins files
+      run: |
+        make validate-pins -j

Makefile

@@ -2,17 +2,23 @@ SCRIPTS_DIR := buildroot/share/scripts
 CONTAINER_RT_BIN := docker
 CONTAINER_RT_OPTS := --rm -v $(PWD):/code -v platformio-cache:/root/.platformio
 CONTAINER_IMAGE := marlin-dev
+UNIT_TEST_CONFIG ?= default
 
 help:
 	@echo "Tasks for local development:"
 	@echo "make marlin                    : Build marlin for the configured board"
-	@echo "make format-pins               : Reformat all pins files"
+	@echo "make format-pins -j            : Reformat all pins files (-j for parallel execution)"
+	@echo "make validate-pins -j          : Validate all pins files, fails if any require reformatting"
 	@echo "make tests-single-ci           : Run a single test from inside the CI"
 	@echo "make tests-single-local        : Run a single test locally"
 	@echo "make tests-single-local-docker : Run a single test locally, using docker"
 	@echo "make tests-all-local           : Run all tests locally"
 	@echo "make tests-all-local-docker    : Run all tests locally, using docker"
-	@echo "make setup-local-docker        : Build the local docker image"
+	@echo "make unit-test-single-local    : Run unit tests for a single config locally"
+	@echo "make unit-test-single-local-docker : Run unit tests for a single config locally, using docker"
+	@echo "make unit-test-all-local      : Run all code tests locally"
+	@echo "make unit-test-all-local-docker : Run all code tests locally, using docker"
+	@echo "make setup-local-docker        : Setup local docker using buildx"
 	@echo ""
 	@echo "Options for testing:"
 	@echo "  TEST_TARGET          Set when running tests-single-*, to select the"
@@ -22,6 +28,9 @@ help:
 	@echo "                       run on GitHub CI"
 	@echo "  ONLY_TEST            Limit tests to only those that contain this, or"
 	@echo "                       the index of the test (1-based)"
+	@echo "  UNIT_TEST_CONFIG     Set the name of the config from the test folder, without"
+	@echo "                       the leading number. Default is 'default'". Used with the
+	@echo "                       unit-test-single-* tasks"
 	@echo "  VERBOSE_PLATFORMIO   If you want the full PIO output, set any value"
 	@echo "  GIT_RESET_HARD       Used by CI: reset all local changes. WARNING:"
 	@echo "                       THIS WILL UNDO ANY CHANGES YOU'VE MADE!"
@@ -43,23 +52,53 @@ tests-single-local:
 tests-single-local-docker:
 	@if ! test -n "$(TEST_TARGET)" ; then echo "***ERROR*** Set TEST_TARGET=<your-module> or use make tests-all-local-docker" ; return 1; fi
 	@if ! $(CONTAINER_RT_BIN) images -q $(CONTAINER_IMAGE) > /dev/null ; then $(MAKE) setup-local-docker ; fi
-	$(CONTAINER_RT_BIN) run $(CONTAINER_RT_OPTS) $(CONTAINER_IMAGE) $(MAKE) tests-single-local TEST_TARGET=$(TEST_TARGET) VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) GIT_RESET_HARD=$(GIT_RESET_HARD) ONLY_TEST="$(ONLY_TEST)"
+	$(CONTAINER_RT_BIN) run $(CONTAINER_RT_OPTS) $(CONTAINER_IMAGE) make tests-single-local TEST_TARGET=$(TEST_TARGET) VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) GIT_RESET_HARD=$(GIT_RESET_HARD) ONLY_TEST="$(ONLY_TEST)"
 
 tests-all-local:
+	@python -c "import yaml" 2>/dev/null || (echo 'pyyaml module is not installed. Install it with "python -m pip install pyyaml"' && exit 1)
 	export PATH="./buildroot/bin/:./buildroot/tests/:${PATH}" \
 	  && export VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) \
-	  && for TEST_TARGET in $$($(SCRIPTS_DIR)/get_test_targets.py) ; do echo "Running tests for $$TEST_TARGET" ; run_tests . $$TEST_TARGET ; done
+	  && for TEST_TARGET in $$(python $(SCRIPTS_DIR)/get_test_targets.py) ; do \
+	    if [ "$$TEST_TARGET" = "linux_native" ] && [ "$$(uname)" = "Darwin" ]; then \
+	      echo "Skipping tests for $$TEST_TARGET on macOS" ; \
+	      continue ; \
+	    fi ; \
+	    echo "Running tests for $$TEST_TARGET" ; \
+	    run_tests . $$TEST_TARGET || exit 1 ; \
+	    sleep 5; \
+	  done
 
 tests-all-local-docker:
 	@if ! $(CONTAINER_RT_BIN) images -q $(CONTAINER_IMAGE) > /dev/null ; then $(MAKE) setup-local-docker ; fi
-	$(CONTAINER_RT_BIN) run $(CONTAINER_RT_OPTS) $(CONTAINER_IMAGE) $(MAKE) tests-all-local VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) GIT_RESET_HARD=$(GIT_RESET_HARD)
+	$(CONTAINER_RT_BIN) run $(CONTAINER_RT_OPTS) $(CONTAINER_IMAGE) make tests-all-local VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) GIT_RESET_HARD=$(GIT_RESET_HARD)
+
+unit-test-single-local:
+	platformio run -t marlin_$(UNIT_TEST_CONFIG) -e linux_native_test
+
+unit-test-single-local-docker:
+	@if ! $(CONTAINER_RT_BIN) images -q $(CONTAINER_IMAGE) > /dev/null ; then $(MAKE) setup-local-docker ; fi
+	$(CONTAINER_RT_BIN) run $(CONTAINER_RT_OPTS)  $(CONTAINER_IMAGE) make unit-test-single-local UNIT_TEST_CONFIG=$(UNIT_TEST_CONFIG)
+
+unit-test-all-local:
+	platformio run -t test-marlin -e linux_native_test
+
+unit-test-all-local-docker:
+	@if ! $(CONTAINER_RT_BIN) images -q $(CONTAINER_IMAGE) > /dev/null ; then $(MAKE) setup-local-docker ; fi
+	$(CONTAINER_RT_BIN) run $(CONTAINER_RT_OPTS)  $(CONTAINER_IMAGE) make unit-test-all-local
 
 setup-local-docker:
-	$(CONTAINER_RT_BIN) build -t $(CONTAINER_IMAGE) -f docker/Dockerfile .
+	$(CONTAINER_RT_BIN) buildx build -t $(CONTAINER_IMAGE) -f docker/Dockerfile .
 
 PINS := $(shell find Marlin/src/pins -mindepth 2 -name '*.h')
 
+.PHONY: $(PINS) format-pins validate-pins
+
 $(PINS): %:
-	@echo "Formatting $@" && node $(SCRIPTS_DIR)/pinsformat.js $@
+	@echo "Formatting $@"
+	@python $(SCRIPTS_DIR)/pinsformat.py $< $@
 
 format-pins: $(PINS)
+
+validate-pins: format-pins
+	@echo "Validating pins files"
+	@git diff --exit-code || (git status && echo "\nError: Pins files are not formatted correctly. Run \"make format-pins\" to fix.\n" && exit 1)

Marlin/Configuration.h

@@ -61,14 +61,14 @@
 // @section info
 
 // Author info of this build printed to the host during boot and M115
-#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
+#define STRING_CONFIG_H_AUTHOR "InsanityAutomation" // Who made the changes.
 //#define CUSTOM_VERSION_FILE Version.h // Path from the root directory (no quotes)
 
 // @section machine
 
 // Choose the name from boards.h that matches your setup
 #ifndef MOTHERBOARD
-  #define MOTHERBOARD BOARD_RAMPS_14_EFB
+  #define MOTHERBOARD BOARD_EBAB
 #endif
 
 /**
@@ -79,7 +79,7 @@
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
-#define SERIAL_PORT 0
+#define SERIAL_PORT -1
 
 /**
  * Serial Port Baud Rate
@@ -101,7 +101,7 @@
  * Currently Ethernet (-2) is only supported on Teensy 4.1 boards.
  * :[-2, -1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
-//#define SERIAL_PORT_2 -1
+#define SERIAL_PORT_2 0
 //#define BAUDRATE_2 250000   // :[2400, 9600, 19200, 38400, 57600, 115200, 250000, 500000, 1000000] Enable to override BAUDRATE
 
 /**
@@ -116,7 +116,7 @@
 //#define BLUETOOTH
 
 // Name displayed in the LCD "Ready" message and Info menu
-//#define CUSTOM_MACHINE_NAME "3D Printer"
+#define CUSTOM_MACHINE_NAME "22IDEX"
 
 // Printer's unique ID, used by some programs to differentiate between machines.
 // Choose your own or use a service like https://www.uuidgenerator.net/version4
@@ -139,22 +139,22 @@
  *          TMC5160, TMC5160_STANDALONE
  * :['A4988', 'A5984', 'DRV8825', 'LV8729', 'TB6560', 'TB6600', 'TMC2100', 'TMC2130', 'TMC2130_STANDALONE', 'TMC2160', 'TMC2160_STANDALONE', 'TMC2208', 'TMC2208_STANDALONE', 'TMC2209', 'TMC2209_STANDALONE', 'TMC2660', 'TMC2660_STANDALONE', 'TMC5130', 'TMC5130_STANDALONE', 'TMC5160', 'TMC5160_STANDALONE']
  */
-#define X_DRIVER_TYPE  A4988
-#define Y_DRIVER_TYPE  A4988
-#define Z_DRIVER_TYPE  A4988
-//#define X2_DRIVER_TYPE A4988
-//#define Y2_DRIVER_TYPE A4988
-//#define Z2_DRIVER_TYPE A4988
-//#define Z3_DRIVER_TYPE A4988
-//#define Z4_DRIVER_TYPE A4988
+#define X_DRIVER_TYPE  TMC2209
+#define Y_DRIVER_TYPE  TMC2209
+#define Z_DRIVER_TYPE  TMC2209
+#define X2_DRIVER_TYPE TMC2209
+#define Y2_DRIVER_TYPE TMC2209
+#define Z2_DRIVER_TYPE TMC2209
+#define Z3_DRIVER_TYPE TMC2209
+//#define Z4_DRIVER_TYPE TB6600
 //#define I_DRIVER_TYPE  A4988
 //#define J_DRIVER_TYPE  A4988
 //#define K_DRIVER_TYPE  A4988
 //#define U_DRIVER_TYPE  A4988
 //#define V_DRIVER_TYPE  A4988
 //#define W_DRIVER_TYPE  A4988
-#define E0_DRIVER_TYPE A4988
-//#define E1_DRIVER_TYPE A4988
+#define E0_DRIVER_TYPE TMC2209
+#define E1_DRIVER_TYPE TMC2209
 //#define E2_DRIVER_TYPE A4988
 //#define E3_DRIVER_TYPE A4988
 //#define E4_DRIVER_TYPE A4988
@@ -208,7 +208,7 @@
 
 // This defines the number of extruders
 // :[0, 1, 2, 3, 4, 5, 6, 7, 8]
-#define EXTRUDERS 1
+#define EXTRUDERS 2
 
 // Generally expected filament diameter (1.75, 2.85, 3.0, ...). Used for Volumetric, Filament Width Sensor, etc.
 #define DEFAULT_NOMINAL_FILAMENT_DIA 1.75
@@ -392,7 +392,7 @@
  * Enable and connect the power supply to the PS_ON_PIN.
  * Specify whether the power supply is active HIGH or active LOW.
  */
-//#define PSU_CONTROL
+#define PSU_CONTROL
 //#define PSU_NAME "Power Supply"
 
 #if ENABLED(PSU_CONTROL)
@@ -408,19 +408,19 @@
   //#define PSU_OFF_REDUNDANT           // Second pin for redundant power control
   //#define PSU_OFF_REDUNDANT_INVERTED  // Redundant pin state is the inverse of PSU_ACTIVE_STATE
 
-  //#define PS_ON1_PIN               6  // Redundant pin required to enable power in combination with PS_ON_PIN
+  #define PS_ON_PIN               P4_29  // Redundant pin required to enable power in combination with PS_ON_PIN
 
   //#define PS_ON_EDM_PIN            8  // External Device Monitoring pins for external power control relay feedback. Fault on mismatch.
   //#define PS_ON1_EDM_PIN           9
   #define PS_EDM_RESPONSE          250  // (ms) Time to allow for relay action
 
-  //#define POWER_OFF_TIMER               // Enable M81 D<seconds> to power off after a delay
+  #define POWER_OFF_TIMER               // Enable M81 D<seconds> to power off after a delay
   //#define POWER_OFF_WAIT_FOR_COOLDOWN   // Enable M81 S to power off only after cooldown
 
   //#define PSU_POWERUP_GCODE  "M355 S1"  // G-code to run after power-on (e.g., case light on)
   //#define PSU_POWEROFF_GCODE "M355 S0"  // G-code to run before power-off (e.g., case light off)
 
-  //#define AUTO_POWER_CONTROL      // Enable automatic control of the PS_ON pin
+  #define AUTO_POWER_CONTROL      // Enable automatic control of the PS_ON pin
   #if ENABLED(AUTO_POWER_CONTROL)
     #define AUTO_POWER_FANS           // Turn on PSU for fans
     #define AUTO_POWER_E_FANS         // Turn on PSU for E Fans
@@ -429,7 +429,7 @@
     #define AUTO_POWER_COOLER_FAN     // Turn on PSU for Cooler Fan
     #define AUTO_POWER_SPINDLE_LASER  // Turn on PSU for Spindle/Laser
     #define POWER_TIMEOUT              30 // (s) Turn off power if the machine is idle for this duration
-    //#define POWER_OFF_DELAY          60 // (s) Delay of poweroff after M81 command. Useful to let fans run for extra time.
+    #define POWER_OFF_DELAY          120 // (s) Delay of poweroff after M81 command. Useful to let fans run for extra time.
   #endif
   #if ANY(AUTO_POWER_CONTROL, POWER_OFF_WAIT_FOR_COOLDOWN)
     //#define AUTO_POWER_E_TEMP        50 // (°C) PSU on if any extruder is over this temperature
@@ -553,8 +553,8 @@
  *   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
+#define TEMP_SENSOR_0 1047
+#define TEMP_SENSOR_1 1047
 #define TEMP_SENSOR_2 0
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_4 0
@@ -563,7 +563,7 @@
 #define TEMP_SENSOR_7 0
 #define TEMP_SENSOR_BED 1
 #define TEMP_SENSOR_PROBE 0
-#define TEMP_SENSOR_CHAMBER 0
+#define TEMP_SENSOR_CHAMBER 1
 #define TEMP_SENSOR_COOLER 0
 #define TEMP_SENSOR_BOARD 0
 #define TEMP_SENSOR_SOC 0
@@ -588,13 +588,13 @@
 #endif
 
 #if HAS_E_TEMP_SENSOR
-  #define TEMP_RESIDENCY_TIME         10  // (seconds) Time to wait for hotend to "settle" in M109
+  #define TEMP_RESIDENCY_TIME         5  // (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
 #endif
 
 #if TEMP_SENSOR_BED
-  #define TEMP_BED_RESIDENCY_TIME     10  // (seconds) Time to wait for bed to "settle" in M190
+  #define TEMP_BED_RESIDENCY_TIME     5  // (seconds) Time to wait for bed to "settle" in M190
   #define TEMP_BED_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
   #define TEMP_BED_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 #endif
@@ -637,16 +637,16 @@
 // Above this temperature the heater will be switched off.
 // This can protect components from overheating, but NOT from shorts and failures.
 // (Use MINTEMP for thermistor short/failure protection.)
-#define HEATER_0_MAXTEMP 275
-#define HEATER_1_MAXTEMP 275
+#define HEATER_0_MAXTEMP 450
+#define HEATER_1_MAXTEMP 450
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
 #define HEATER_6_MAXTEMP 275
 #define HEATER_7_MAXTEMP 275
-#define BED_MAXTEMP      150
-#define CHAMBER_MAXTEMP  60
+#define BED_MAXTEMP      215
+#define CHAMBER_MAXTEMP  110
 
 /**
  * Thermal Overshoot
@@ -654,7 +654,7 @@
  * (especially before PID tuning). Setting the target temperature too close to MAXTEMP guarantees
  * a MAXTEMP shutdown! Use these values to forbid temperatures being set too close to MAXTEMP.
  */
-#define HOTEND_OVERSHOOT 15   // (°C) Forbid temperatures over MAXTEMP - OVERSHOOT
+#define HOTEND_OVERSHOOT 10   // (°C) Forbid temperatures over MAXTEMP - OVERSHOOT
 #define BED_OVERSHOOT    10   // (°C) Forbid temperatures over MAXTEMP - OVERSHOOT
 #define COOLER_OVERSHOOT  2   // (°C) Forbid temperatures closer than OVERSHOOT
 
@@ -671,8 +671,8 @@
  * PIDTEMP : PID temperature control (~4.1K)
  * MPCTEMP : Predictive Model temperature control. (~1.8K without auto-tune)
  */
-#define PIDTEMP           // See the PID Tuning Guide at https://reprap.org/wiki/PID_Tuning
-//#define MPCTEMP         // ** EXPERIMENTAL ** See https://marlinfw.org/docs/features/model_predictive_control.html
+//#define PIDTEMP           // See the PID Tuning Guide at https://reprap.org/wiki/PID_Tuning
+#define MPCTEMP         // See https://marlinfw.org/docs/features/model_predictive_control.html
 
 #define PID_MAX  255      // Limit hotend current while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #define PID_K1     0.95   // Smoothing factor within any PID loop
@@ -707,20 +707,20 @@
  */
 #if ENABLED(MPCTEMP)
   #define MPC_AUTOTUNE                                // Include a method to do MPC auto-tuning (~6.3K bytes of flash)
-  //#define MPC_EDIT_MENU                             // Add MPC editing to the "Advanced Settings" menu. (~1.3K bytes of flash)
-  //#define MPC_AUTOTUNE_MENU                         // Add MPC auto-tuning to the "Advanced Settings" menu. (~350 bytes of flash)
+  #define MPC_EDIT_MENU                             // Add MPC editing to the "Advanced Settings" menu. (~1.3K bytes of flash)
+  #define MPC_AUTOTUNE_MENU                         // Add MPC auto-tuning to the "Advanced Settings" menu. (~350 bytes of flash)
 
   #define MPC_MAX 255                                 // (0..255) Current to nozzle while MPC is active.
-  #define MPC_HEATER_POWER { 40.0f }                  // (W) Heat cartridge powers.
+  #define MPC_HEATER_POWER { 50.0f, 50.0f }                  // (W) Heat cartridge powers.
 
-  #define MPC_INCLUDE_FAN                             // Model the fan speed?
+  //#define MPC_INCLUDE_FAN                             // Model the fan speed?
 
   // Measured physical constants from M306
-  #define MPC_BLOCK_HEAT_CAPACITY { 16.7f }           // (J/K) Heat block heat capacities.
-  #define MPC_SENSOR_RESPONSIVENESS { 0.22f }         // (K/s per ∆K) Rate of change of sensor temperature from heat block.
-  #define MPC_AMBIENT_XFER_COEFF { 0.068f }           // (W/K) Heat transfer coefficients from heat block to room air with fan off.
+  #define MPC_BLOCK_HEAT_CAPACITY { 16.7f, 16.7f  }           // (J/K) Heat block heat capacities.
+  #define MPC_SENSOR_RESPONSIVENESS { 0.22f, 0.22f }         // (K/s per ∆K) Rate of change of sensor temperature from heat block.
+  #define MPC_AMBIENT_XFER_COEFF { 0.068f, 0.068f }           // (W/K) Heat transfer coefficients from heat block to room air with fan off.
   #if ENABLED(MPC_INCLUDE_FAN)
-    #define MPC_AMBIENT_XFER_COEFF_FAN255 { 0.097f }  // (W/K) Heat transfer coefficients from heat block to room air with fan on full.
+    #define MPC_AMBIENT_XFER_COEFF_FAN255 { 0.097f, 0.097f }  // (W/K) Heat transfer coefficients from heat block to room air with fan on full.
   #endif
 
   // For one fan and multiple hotends MPC needs to know how to apply the fan cooling effect.
@@ -731,7 +731,7 @@
 
   // Filament Heat Capacity (joules/kelvin/mm)
   // Set at runtime with M306 H<value>
-  #define FILAMENT_HEAT_CAPACITY_PERMM { 5.6e-3f }    // 0.0056 J/K/mm for 1.75mm PLA (0.0149 J/K/mm for 2.85mm PLA).
+  #define FILAMENT_HEAT_CAPACITY_PERMM { 5.6e-3f, 5.6e-3f }    // 0.0056 J/K/mm for 1.75mm PLA (0.0149 J/K/mm for 2.85mm PLA).
                                                       // 0.0036 J/K/mm for 1.75mm PETG (0.0094 J/K/mm for 2.85mm PETG).
                                                       // 0.00515 J/K/mm for 1.75mm ABS (0.0137 J/K/mm for 2.85mm ABS).
                                                       // 0.00522 J/K/mm for 1.75mm Nylon (0.0138 J/K/mm for 2.85mm Nylon).
@@ -757,7 +757,7 @@
  * When set to any value below 255, enables a form of PWM to the bed that acts like a divider
  * so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
  */
-#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
+#define MAX_BED_POWER 180 // limits duty cycle to bed; 255=full current
 
 /**
  * PID Bed Heating
@@ -771,7 +771,7 @@
  *
  * With this option disabled, bang-bang will be used. BED_LIMIT_SWITCHING enables hysteresis.
  */
-//#define PIDTEMPBED
+#define PIDTEMPBED
 
 #if ENABLED(PIDTEMPBED)
   //#define MIN_BED_POWER 0
@@ -789,7 +789,7 @@
 #endif
 
 // Add 'M190 R T' for more gradual M190 R bed cooling.
-//#define BED_ANNEALING_GCODE
+#define BED_ANNEALING_GCODE
 
 //===========================================================================
 //==================== PID > Chamber Temperature Control ====================
@@ -810,7 +810,7 @@
  * the issues involved, don't use chamber PID until someone else verifies that your hardware works.
  * @section chamber temp
  */
-//#define PIDTEMPCHAMBER
+#define PIDTEMPCHAMBER
 //#define CHAMBER_LIMIT_SWITCHING
 
 /**
@@ -842,8 +842,8 @@
   #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
                                   // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
 
-  //#define PID_EDIT_MENU         // Add PID editing to the "Advanced Settings" menu. (~700 bytes of flash)
-  //#define PID_AUTOTUNE_MENU     // Add PID auto-tuning to the "Advanced Settings" menu. (~250 bytes of flash)
+  #define PID_EDIT_MENU         // Add PID editing to the "Advanced Settings" menu. (~700 bytes of flash)
+  #define PID_AUTOTUNE_MENU     // Add PID auto-tuning to the "Advanced Settings" menu. (~250 bytes of flash)
 #endif
 
 // @section safety
@@ -856,7 +856,7 @@
  * *** IT IS HIGHLY RECOMMENDED TO LEAVE THIS OPTION ENABLED! ***
  */
 #define PREVENT_COLD_EXTRUSION
-#define EXTRUDE_MINTEMP 170
+#define EXTRUDE_MINTEMP 150
 
 /**
  * Prevent a single extrusion longer than EXTRUDE_MAXLENGTH.
@@ -906,7 +906,7 @@
 // MarkForged Kinematics
 // See https://reprap.org/forum/read.php?152,504042
 //
-//#define MARKFORGED_XY
+#define MARKFORGED_XY
 //#define MARKFORGED_YX
 #if ANY(MARKFORGED_XY, MARKFORGED_YX)
   //#define MARKFORGED_INVERSE  // Enable for an inverted Markforged kinematics belt path
@@ -1170,8 +1170,8 @@
  * Endstop "Hit" State
  * Set to the state (HIGH or LOW) that applies to each endstop.
  */
-#define X_MIN_ENDSTOP_HIT_STATE HIGH
-#define X_MAX_ENDSTOP_HIT_STATE HIGH
+#define X_MIN_ENDSTOP_HIT_STATE LOW
+#define X_MAX_ENDSTOP_HIT_STATE LOW
 #define Y_MIN_ENDSTOP_HIT_STATE HIGH
 #define Y_MAX_ENDSTOP_HIT_STATE HIGH
 #define Z_MIN_ENDSTOP_HIT_STATE HIGH
@@ -1229,14 +1229,14 @@
  * following movement settings. If fewer factors are given than the
  * total number of extruders, the last value applies to the rest.
  */
-//#define DISTINCT_E_FACTORS
+#define DISTINCT_E_FACTORS
 
 /**
  * Default Axis Steps Per Unit (linear=steps/mm, rotational=steps/°)
  * Override with M92 (when enabled below)
  *                                      X, Y, Z [, I [, J [, K...]]], E0 [, E1[, E2...]]
  */
-#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 500 }
+#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 413, 413 }
 
 /**
  * Enable support for M92. Disable to save at least ~530 bytes of flash.
@@ -1261,7 +1261,7 @@
  * Override with M201
  *                                      X, Y, Z [, I [, J [, K...]]], E0 [, E1[, E2...]]
  */
-#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
+#define DEFAULT_MAX_ACCELERATION      { 12000, 12000, 500, 10000 }
 
 //#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
 #if ENABLED(LIMITED_MAX_ACCEL_EDITING)
@@ -1276,9 +1276,9 @@
  *   M204 R    Retract Acceleration
  *   M204 T    Travel Acceleration
  */
-#define DEFAULT_ACCELERATION          3000    // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_ACCELERATION          7000    // X, Y, Z and E acceleration for printing moves
 #define DEFAULT_RETRACT_ACCELERATION  3000    // E acceleration for retracts
-#define DEFAULT_TRAVEL_ACCELERATION   3000    // X, Y, Z acceleration for travel (non printing) moves
+#define DEFAULT_TRAVEL_ACCELERATION   7000    // X, Y, Z acceleration for travel (non printing) moves
 
 /**
  * Default Jerk limits (mm/s)
@@ -1288,7 +1288,7 @@
  * When changing speed and direction, if the difference is less than the
  * value set here, it may happen instantaneously.
  */
-//#define CLASSIC_JERK
+#define CLASSIC_JERK
 #if ENABLED(CLASSIC_JERK)
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
@@ -1330,7 +1330,12 @@
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define S_CURVE_ACCELERATION
+#define S_CURVE_ACCELERATION
+#if ENABLED(S_CURVE_ACCELERATION)
+  // Uncomment to use 4th instead of 6th order motion curve
+  #define S_CURVE_FACTOR 0.3    // Initial and final acceleration factor, ideally 0.1 to 0.4
+                                   // Shouldn't generally require tuning
+#endif
 
 //===========================================================================
 //============================= Z Probe Options =============================
@@ -1346,10 +1351,10 @@
  * The probe replaces the Z-MIN endstop and is used for Z homing.
  * (Automatically enables USE_PROBE_FOR_Z_HOMING.)
  */
-#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
+//#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
 
 // Force the use of the probe for Z-axis homing
-//#define USE_PROBE_FOR_Z_HOMING
+#define USE_PROBE_FOR_Z_HOMING
 
 /**
  * Z_MIN_PROBE_PIN
@@ -1477,20 +1482,20 @@
  * Magnetically Mounted Probe
  * For probes such as Euclid, Klicky, Klackender, etc.
  */
-//#define MAG_MOUNTED_PROBE
+#define MAG_MOUNTED_PROBE
 #if ENABLED(MAG_MOUNTED_PROBE)
   #define PROBE_DEPLOY_FEEDRATE (133*60)  // (mm/min) Probe deploy speed
   #define PROBE_STOW_FEEDRATE   (133*60)  // (mm/min) Probe stow speed
 
-  #define MAG_MOUNTED_DEPLOY_1 { PROBE_DEPLOY_FEEDRATE, { 245, 114, 30 } }  // Move to side Dock & Attach probe
-  #define MAG_MOUNTED_DEPLOY_2 { PROBE_DEPLOY_FEEDRATE, { 210, 114, 30 } }  // Move probe off dock
+  #define MAG_MOUNTED_DEPLOY_1 { PROBE_DEPLOY_FEEDRATE, { 200, 400, 0 } }  // Move to side Dock & Attach probe
+  #define MAG_MOUNTED_DEPLOY_2 { PROBE_DEPLOY_FEEDRATE, { 100, 400, 0 } }  // Move probe off dock
   #define MAG_MOUNTED_DEPLOY_3 { PROBE_DEPLOY_FEEDRATE, {   0,   0,  0 } }  // Extra move if needed
   #define MAG_MOUNTED_DEPLOY_4 { PROBE_DEPLOY_FEEDRATE, {   0,   0,  0 } }  // Extra move if needed
   #define MAG_MOUNTED_DEPLOY_5 { PROBE_DEPLOY_FEEDRATE, {   0,   0,  0 } }  // Extra move if needed
-  #define MAG_MOUNTED_STOW_1   { PROBE_STOW_FEEDRATE,   { 245, 114, 20 } }  // Move to dock
-  #define MAG_MOUNTED_STOW_2   { PROBE_STOW_FEEDRATE,   { 245, 114,  0 } }  // Place probe beside remover
-  #define MAG_MOUNTED_STOW_3   { PROBE_STOW_FEEDRATE,   { 230, 114,  0 } }  // Side move to remove probe
-  #define MAG_MOUNTED_STOW_4   { PROBE_STOW_FEEDRATE,   { 210, 114, 20 } }  // Side move to remove probe
+  #define MAG_MOUNTED_STOW_1   { PROBE_STOW_FEEDRATE,   { 100, 400, 0 } }  // Move to dock
+  #define MAG_MOUNTED_STOW_2   { PROBE_STOW_FEEDRATE,   { 200, 400,  0 } }  // Place probe beside remover
+  #define MAG_MOUNTED_STOW_3   { PROBE_STOW_FEEDRATE,   { 200, 300,  0 } }  // Side move to remove probe
+  #define MAG_MOUNTED_STOW_4   { PROBE_STOW_FEEDRATE,   { 0, 0, 0 } }  // Side move to remove probe
   #define MAG_MOUNTED_STOW_5   { PROBE_STOW_FEEDRATE,   {   0,   0,  0 } }  // Extra move if needed
 #endif
 
@@ -1647,7 +1652,7 @@
  * A total of 2 does fast/slow probes with a weighted average.
  * A total of 3 or more adds more slow probes, taking the average.
  */
-//#define MULTIPLE_PROBING 2
+#define MULTIPLE_PROBING 2
 //#define EXTRA_PROBING    1
 
 /**
@@ -1670,7 +1675,7 @@
 #define Z_PROBE_ERROR_TOLERANCE     3 // (mm) Tolerance for early trigger (<= -probe.offset.z + ZPET)
 //#define Z_AFTER_PROBING           5 // (mm) Z position after probing is done
 
-#define Z_PROBE_LOW_POINT          -2 // (mm) Farthest distance below the trigger-point to go before stopping
+#define Z_PROBE_LOW_POINT          -5 // (mm) Farthest distance below the trigger-point to go before stopping
 
 // For M851 provide ranges for adjusting the X, Y, and Z probe offsets
 //#define PROBE_OFFSET_XMIN -50   // (mm)
@@ -1681,7 +1686,7 @@
 //#define PROBE_OFFSET_ZMAX  20   // (mm)
 
 // Enable the M48 repeatability test to test probe accuracy
-//#define Z_MIN_PROBE_REPEATABILITY_TEST
+#define Z_MIN_PROBE_REPEATABILITY_TEST
 
 // Before deploy/stow pause for user confirmation
 //#define PAUSE_BEFORE_DEPLOY_STOW
@@ -1749,9 +1754,9 @@
 // @section motion
 
 // Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
-#define INVERT_X_DIR false
-#define INVERT_Y_DIR true
-#define INVERT_Z_DIR false
+#define INVERT_X_DIR true
+#define INVERT_Y_DIR false
+#define INVERT_Z_DIR true
 //#define INVERT_I_DIR false
 //#define INVERT_J_DIR false
 //#define INVERT_K_DIR false
@@ -1794,7 +1799,7 @@
 // Direction of endstops when homing; 1=MAX, -1=MIN
 // :[-1,1]
 #define X_HOME_DIR -1
-#define Y_HOME_DIR -1
+#define Y_HOME_DIR 1
 #define Z_HOME_DIR -1
 //#define I_HOME_DIR -1
 //#define J_HOME_DIR -1
@@ -1821,16 +1826,16 @@
 // @section geometry
 
 // The size of the printable area
-#define X_BED_SIZE 200
-#define Y_BED_SIZE 200
+#define X_BED_SIZE 355
+#define Y_BED_SIZE 350
 
 // Travel limits (linear=mm, rotational=°) after homing, corresponding to endstop positions.
-#define X_MIN_POS 0
+#define X_MIN_POS -20.93
 #define Y_MIN_POS 0
 #define Z_MIN_POS 0
 #define X_MAX_POS X_BED_SIZE
 #define Y_MAX_POS Y_BED_SIZE
-#define Z_MAX_POS 200
+#define Z_MAX_POS 500
 //#define I_MIN_POS 0
 //#define I_MAX_POS 50
 //#define J_MIN_POS 0
@@ -1882,7 +1887,7 @@
 #endif
 
 #if ANY(MIN_SOFTWARE_ENDSTOPS, MAX_SOFTWARE_ENDSTOPS)
-  //#define SOFT_ENDSTOPS_MENU_ITEM  // Enable/Disable software endstops from the LCD
+  #define SOFT_ENDSTOPS_MENU_ITEM  // Enable/Disable software endstops from the LCD
 #endif
 
 /**
@@ -1898,11 +1903,12 @@
  * RAMPS-based boards use SERVO3_PIN for the first runout sensor.
  * For other boards you may need to define FIL_RUNOUT_PIN, FIL_RUNOUT2_PIN, etc.
  */
-//#define FILAMENT_RUNOUT_SENSOR
+#define FILAMENT_RUNOUT_SENSOR
 #if ENABLED(FILAMENT_RUNOUT_SENSOR)
   #define FIL_RUNOUT_ENABLED_DEFAULT true // Enable the sensor on startup. Override with M412 followed by M500.
-  #define NUM_RUNOUT_SENSORS   1          // Number of sensors, up to one per extruder. Define a FIL_RUNOUT#_PIN for each.
-
+  #define NUM_RUNOUT_SENSORS   2          // Number of sensors, up to one per extruder. Define a FIL_RUNOUT#_PIN for each.
+  #define FIL_RUNOUT_PIN Z_MIN_PIN
+  #define FIL_RUNOUT2_PIN Z_MAX_PIN
   #define FIL_RUNOUT_STATE     LOW        // Pin state indicating that filament is NOT present.
   #define FIL_RUNOUT_PULLUP               // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN           // Use internal pulldown for filament runout pins.
@@ -1945,18 +1951,18 @@
   // Commands to execute on filament runout.
   // With multiple runout sensors use the %c placeholder for the current tool in commands (e.g., "M600 T%c")
   // NOTE: After 'M412 H1' the host handles filament runout and this script does not apply.
-  #define FILAMENT_RUNOUT_SCRIPT "M600"
+  #define FILAMENT_RUNOUT_SCRIPT "M600 T%c"
 
   // After a runout is detected, continue printing this length of filament
   // before executing the runout script. Useful for a sensor at the end of
   // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
-  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+  #define FILAMENT_RUNOUT_DISTANCE_MM 15
 
   #ifdef FILAMENT_RUNOUT_DISTANCE_MM
     // Enable this option to use an encoder disc that toggles the runout pin
     // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
     // large enough to avoid false positives.)
-    //#define FILAMENT_MOTION_SENSOR
+    #define FILAMENT_MOTION_SENSOR
 
     #if ENABLED(FILAMENT_MOTION_SENSOR)
       //#define FILAMENT_SWITCH_AND_MOTION
@@ -2042,21 +2048,21 @@
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
-//#define AUTO_BED_LEVELING_UBL
+#define AUTO_BED_LEVELING_UBL
 //#define MESH_BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
  * Useful to retract or move the Z probe out of the way.
  */
-//#define EVENT_GCODE_AFTER_G29 "G1 Z10 F12000\nG1 X15 Y330\nG1 Z0.5\nG1 Z10"
+//#define Z_PROBE_END_SCRIPT "G1 Z10 F12000\nG1 X15 Y330\nG1 Z0.5\nG1 Z10"
 
 /**
  * Normally G28 leaves leveling disabled on completion. Enable one of
  * these options to restore the prior leveling state or to always enable
  * leveling immediately after G28.
  */
-//#define RESTORE_LEVELING_AFTER_G28
+#define RESTORE_LEVELING_AFTER_G28
 //#define ENABLE_LEVELING_AFTER_G28
 
 /**
@@ -2071,7 +2077,7 @@
 /**
  * Enable detailed logging of G28, G29, M48, etc.
  * Turn on with the command 'M111 S32'.
- * NOTE: Requires a lot of flash!
+ * NOTE: Requires a lot of PROGMEM!
  */
 //#define DEBUG_LEVELING_FEATURE
 
@@ -2088,7 +2094,7 @@
    */
   #define ENABLE_LEVELING_FADE_HEIGHT
   #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
-    #define DEFAULT_LEVELING_FADE_HEIGHT 10.0 // (mm) Default fade height.
+    #define DEFAULT_LEVELING_FADE_HEIGHT 0.0 // (mm) Default fade height.
   #endif
 
   /**
@@ -2102,7 +2108,7 @@
   /**
    * Enable the G26 Mesh Validation Pattern tool.
    */
-  //#define G26_MESH_VALIDATION
+  #define G26_MESH_VALIDATION
   #if ENABLED(G26_MESH_VALIDATION)
     #define MESH_TEST_NOZZLE_SIZE    0.4  // (mm) Diameter of primary nozzle.
     #define MESH_TEST_LAYER_HEIGHT   0.2  // (mm) Default layer height for G26.
@@ -2118,7 +2124,7 @@
 #if ANY(AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
-  #define GRID_MAX_POINTS_X 3
+  #define GRID_MAX_POINTS_X 15
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
 
   // Probe along the Y axis, advancing X after each column
@@ -2128,7 +2134,7 @@
 
     // Beyond the probed grid, continue the implied tilt?
     // Default is to maintain the height of the nearest edge.
-    //#define EXTRAPOLATE_BEYOND_GRID
+    #define EXTRAPOLATE_BEYOND_GRID
 
     //
     // Subdivision of the grid by Catmull-Rom method.
@@ -2151,18 +2157,18 @@
   //#define MESH_EDIT_GFX_OVERLAY   // Display a graphics overlay while editing the mesh
 
   #define MESH_INSET 1              // Set Mesh bounds as an inset region of the bed
-  #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
+  #define GRID_MAX_POINTS_X 7      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
 
-  //#define UBL_HILBERT_CURVE       // Use Hilbert distribution for less travel when probing multiple points
+  #define UBL_HILBERT_CURVE       // Use Hilbert distribution for less travel when probing multiple points
 
-  //#define UBL_TILT_ON_MESH_POINTS         // Use nearest mesh points with G29 J for better Z reference
-  //#define UBL_TILT_ON_MESH_POINTS_3POINT  // Use nearest mesh points with G29 J0 (3-point)
+  #define UBL_TILT_ON_MESH_POINTS         // Use nearest mesh points with G29 J for better Z reference
+  #define UBL_TILT_ON_MESH_POINTS_3POINT  // Use nearest mesh points with G29 J0 (3-point)
 
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 
-  //#define UBL_Z_RAISE_WHEN_OFF_MESH 2.5 // When the nozzle is off the mesh, this value is used
+  #define UBL_Z_RAISE_WHEN_OFF_MESH 0.0 // When the nozzle is off the mesh, this value is used
                                           // as the Z-Height correction value.
 
   //#define UBL_MESH_WIZARD         // Run several commands in a row to get a complete mesh
@@ -2204,12 +2210,12 @@
  * Add a bed leveling sub-menu for ABL or MBL.
  * Include a guided procedure if manual probing is enabled.
  */
-//#define LCD_BED_LEVELING
+#define LCD_BED_LEVELING
 
 #if ENABLED(LCD_BED_LEVELING)
   #define MESH_EDIT_Z_STEP  0.025 // (mm) Step size while manually probing Z axis.
   #define LCD_PROBE_Z_RANGE 4     // (mm) Z Range centered on Z_MIN_POS for LCD Z adjustment
-  //#define MESH_EDIT_MENU        // Add a menu to edit mesh points
+  #define MESH_EDIT_MENU        // Add a menu to edit mesh points
 #endif
 
 // Add a menu item to move between bed corners for manual bed adjustment
@@ -2218,8 +2224,8 @@
 #if ENABLED(LCD_BED_TRAMMING)
   #define BED_TRAMMING_INSET_LFRB { 30, 30, 30, 30 } // (mm) Left, Front, Right, Back insets
   #define BED_TRAMMING_HEIGHT      0.0        // (mm) Z height of nozzle at tramming points
-  #define BED_TRAMMING_Z_HOP       4.0        // (mm) Z height of nozzle between tramming points
-  //#define BED_TRAMMING_INCLUDE_CENTER       // Move to the center after the last corner
+  #define BED_TRAMMING_Z_HOP       4.0        // (mm) Z raise between tramming points
+  #define BED_TRAMMING_INCLUDE_CENTER       // Move to the center after the last corner
   //#define BED_TRAMMING_USE_PROBE
   #if ENABLED(BED_TRAMMING_USE_PROBE)
     #define BED_TRAMMING_PROBE_TOLERANCE 0.1  // (mm)
@@ -2271,7 +2277,7 @@
  * - 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
+#define Z_SAFE_HOMING
 
 #if ENABLED(Z_SAFE_HOMING)
   #define Z_SAFE_HOMING_X_POINT X_CENTER  // (mm) X point for Z homing
@@ -2358,12 +2364,12 @@
  *   M501 - Read settings from EEPROM. (i.e., Throw away unsaved changes)
  *   M502 - Revert settings to "factory" defaults. (Follow with M500 to init the EEPROM.)
  */
-//#define EEPROM_SETTINGS     // Persistent storage with M500 and M501
+#define EEPROM_SETTINGS     // Persistent storage with M500 and M501
 //#define DISABLE_M503        // Saves ~2700 bytes of flash. Disable for release!
-#define EEPROM_CHITCHAT       // Give feedback on EEPROM commands. Disable to save flash.
-#define EEPROM_BOOT_SILENT    // Keep M503 quiet and only give errors during first load
+#define EEPROM_CHITCHAT       // Give feedback on EEPROM commands. Disable to save PROGMEM.
+//#define EEPROM_BOOT_SILENT    // Keep M503 quiet and only give errors during first load
 #if ENABLED(EEPROM_SETTINGS)
-  //#define EEPROM_AUTO_INIT  // Init EEPROM automatically on any errors.
+  #define EEPROM_AUTO_INIT  // Init EEPROM automatically on any errors.
   //#define EEPROM_INIT_NOW   // Init EEPROM on first boot after a new build.
 #endif
 
@@ -2421,11 +2427,11 @@
  *    P1  Raise the nozzle always to Z-park height.
  *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
  */
-//#define NOZZLE_PARK_FEATURE
+#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   // Specify a park position as { X, Y, Z_raise }
-  #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
+  #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
   #define NOZZLE_PARK_MOVE          0   // Park motion: 0 = XY Move, 1 = X Only, 2 = Y Only, 3 = X before Y, 4 = Y before X
   #define NOZZLE_PARK_Z_RAISE_MIN   2   // (mm) Always raise Z by at least this distance
   #define NOZZLE_PARK_XY_FEEDRATE 100   // (mm/s) X and Y axes feedrate (also used for delta Z axis)
@@ -2468,7 +2474,7 @@
  *
  *   Caveats: The ending Z should be the same as starting Z.
  */
-//#define NOZZLE_CLEAN_FEATURE
+#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_PATTERN_LINE     // Provide 'G12 P0' - a simple linear cleaning pattern
@@ -2478,7 +2484,7 @@
   // Default pattern to use when 'P' is not provided to G12. One of the enabled options above.
   #define NOZZLE_CLEAN_DEFAULT_PATTERN 0
 
-  #define NOZZLE_CLEAN_STROKES     12   // Default number of pattern repetitions
+  #define NOZZLE_CLEAN_STROKES     4   // Default number of pattern repetitions
 
   #if ENABLED(NOZZLE_CLEAN_PATTERN_ZIGZAG)
     #define NOZZLE_CLEAN_TRIANGLES  3   // Default number of triangles
@@ -2486,8 +2492,8 @@
 
   // Specify positions for each tool as { { X, Y, Z }, { X, Y, Z } }
   // Dual hotend system may use { {  -20, (Y_BED_SIZE / 2), (Z_MIN_POS + 1) },  {  420, (Y_BED_SIZE / 2), (Z_MIN_POS + 1) }}
-  #define NOZZLE_CLEAN_START_POINT { {  30, 30, (Z_MIN_POS + 1) } }
-  #define NOZZLE_CLEAN_END_POINT   { { 100, 60, (Z_MIN_POS + 1) } }
+  #define NOZZLE_CLEAN_START_POINT { {  25, 100, (Z_MIN_POS + 1) },  {  375, 100, (Z_MIN_POS + 1) }}
+  #define NOZZLE_CLEAN_END_POINT   { { 5, 101, (Z_MIN_POS + 1) }, { 400, 101, (Z_MIN_POS + 1) } }
 
   #if ENABLED(NOZZLE_CLEAN_PATTERN_CIRCLE)
     #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5                      // (mm) Circular pattern radius
@@ -2499,7 +2505,7 @@
   #define NOZZLE_CLEAN_GOBACK
 
   // For a purge/clean station that's always at the gantry height (thus no Z move)
-  //#define NOZZLE_CLEAN_NO_Z
+  #define NOZZLE_CLEAN_NO_Z
 
   // For a purge/clean station mounted on the X axis
   //#define NOZZLE_CLEAN_NO_Y
@@ -2648,7 +2654,7 @@
  * SD Card support is disabled by default. If your controller has an SD slot,
  * you must uncomment the following option or it won't work.
  */
-//#define SDSUPPORT
+#define SDSUPPORT
 
 /**
  * SD CARD: ENABLE CRC
@@ -2728,7 +2734,7 @@
 //
 // Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
 //
-//#define INDIVIDUAL_AXIS_HOMING_MENU
+#define INDIVIDUAL_AXIS_HOMING_MENU
 //#define INDIVIDUAL_AXIS_HOMING_SUBMENU
 
 //
@@ -2931,7 +2937,7 @@
 // RepRapDiscount FULL GRAPHIC Smart Controller
 // https://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-//#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
 
 //
 // K.3D Full Graphic Smart Controller
@@ -3520,13 +3526,13 @@
 
 // LED Type. Enable only one of the following two options:
 //#define RGB_LED
-//#define RGBW_LED
+#define RGBW_LED
 
 #if ANY(RGB_LED, RGBW_LED)
-  //#define RGB_LED_R_PIN 34
-  //#define RGB_LED_G_PIN 43
-  //#define RGB_LED_B_PIN 35
-  //#define RGB_LED_W_PIN -1
+  #define RGB_LED_R_PIN EFAN0_PIN
+  #define RGB_LED_G_PIN EFAN1_PIN
+  #define RGB_LED_B_PIN EFAN2_PIN
+  #define RGB_LED_W_PIN EFAN3_PIN
 #endif
 
 #if ANY(RGB_LED, RGBW_LED, PCA9632)

Marlin/Configuration_adv.h

@@ -307,11 +307,11 @@
   #define THERMAL_PROTECTION_PERIOD 40        // (seconds)
   #define THERMAL_PROTECTION_HYSTERESIS 4     // (°C)
 
-  //#define ADAPTIVE_FAN_SLOWING              // Slow down the part-cooling fan if the temperature drops
+  #define ADAPTIVE_FAN_SLOWING              // Slow down the part-cooling fan if the temperature drops
   #if ENABLED(ADAPTIVE_FAN_SLOWING)
-    //#define REPORT_ADAPTIVE_FAN_SLOWING     // Report fan slowing activity to the console
+    #define REPORT_ADAPTIVE_FAN_SLOWING     // Report fan slowing activity to the console
     #if ANY(MPCTEMP, PIDTEMP)
-      //#define TEMP_TUNING_MAINTAIN_FAN      // Don't slow down the fan speed during M303 or M306 T
+      #define TEMP_TUNING_MAINTAIN_FAN      // Don't slow down the fan speed during M303 or M306 T
     #endif
   #endif
 
@@ -547,7 +547,7 @@
  * Hotend Idle Timeout
  * Prevent filament in the nozzle from charring and causing a critical jam.
  */
-//#define HOTEND_IDLE_TIMEOUT
+#define HOTEND_IDLE_TIMEOUT
 #if ENABLED(HOTEND_IDLE_TIMEOUT)
   #define HOTEND_IDLE_TIMEOUT_SEC (5*60)    // (seconds) Time without extruder movement to trigger protection
   #define HOTEND_IDLE_MIN_TRIGGER   180     // (°C) Minimum temperature to enable hotend protection
@@ -602,7 +602,7 @@
  * gets it spinning reliably for a short time before setting the requested speed.
  * (Does not work on Sanguinololu with FAN_SOFT_PWM.)
  */
-//#define FAN_KICKSTART_TIME  100  // (ms)
+#define FAN_KICKSTART_TIME  100  // (ms)
 //#define FAN_KICKSTART_POWER 180  // 64-255
 
 // Some coolers may require a non-zero "off" state.
@@ -681,8 +681,8 @@
  * Multiple extruders can be assigned to the same pin in which case
  * the fan will turn on when any selected extruder is above the threshold.
  */
-#define E0_AUTO_FAN_PIN -1
-#define E1_AUTO_FAN_PIN -1
+#define E0_AUTO_FAN_PIN FAN3_PIN
+#define E1_AUTO_FAN_PIN FAN3_PIN
 #define E2_AUTO_FAN_PIN -1
 #define E3_AUTO_FAN_PIN -1
 #define E4_AUTO_FAN_PIN -1
@@ -748,12 +748,12 @@
  * @section caselight
  * M355 Case Light on-off / brightness
  */
-//#define CASE_LIGHT_ENABLE
+#define CASE_LIGHT_ENABLE
 #if ENABLED(CASE_LIGHT_ENABLE)
   //#define CASE_LIGHT_PIN 4                  // Override the default pin if needed
   #define INVERT_CASE_LIGHT false             // Set true if Case Light is ON when pin is LOW
   #define CASE_LIGHT_DEFAULT_ON true          // Set default power-up state on
-  #define CASE_LIGHT_DEFAULT_BRIGHTNESS 105   // Set default power-up brightness (0-255, requires PWM pin)
+  #define CASE_LIGHT_DEFAULT_BRIGHTNESS 255   // Set default power-up brightness (0-255, requires PWM pin)
   //#define CASE_LIGHT_NO_BRIGHTNESS          // Disable brightness control. Enable for non-PWM lighting.
   //#define CASE_LIGHT_MAX_PWM 128            // Limit PWM duty cycle (0-255)
   //#define CASE_LIGHT_MENU                   // Add Case Light options to the LCD menu
@@ -761,7 +761,7 @@
     //#define CASE_LIGHT_USE_NEOPIXEL         // Use NeoPixel LED as case light
   #endif
   #if ANY(RGB_LED, RGBW_LED)
-    //#define CASE_LIGHT_USE_RGB_LED          // Use RGB / RGBW LED as case light
+    #define CASE_LIGHT_USE_RGB_LED          // Use RGB / RGBW LED as case light
   #endif
   #if ANY(CASE_LIGHT_USE_NEOPIXEL, CASE_LIGHT_USE_RGB_LED)
     #define CASE_LIGHT_DEFAULT_COLOR { 255, 255, 255, 255 } // { Red, Green, Blue, White }
@@ -815,12 +815,12 @@
  *       Set the initial X offset and temperature differential with M605 S2 X[offs] R[deg] and
  *       follow with M605 S3 to initiate mirrored movement.
  */
-//#define DUAL_X_CARRIAGE
+#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   #define X1_MIN_POS X_MIN_POS    // Set to X_MIN_POS
   #define X1_MAX_POS X_BED_SIZE   // A max coordinate so the X1 carriage can't hit the parked X2 carriage
-  #define X2_MIN_POS    80        // A min coordinate so the X2 carriage can't hit the parked X1 carriage
-  #define X2_MAX_POS   353        // The max position of the X2 carriage, typically also the home position
+  #define X2_MIN_POS    10        // A min coordinate so the X2 carriage can't hit the parked X1 carriage
+  #define X2_MAX_POS   369        // The max position of the X2 carriage, typically also the home position
   #define X2_HOME_POS X2_MAX_POS  // Default X2 home position. Set to X2_MAX_POS.
                                   // NOTE: For Dual X Carriage use M218 T1 Xn to override the X2_HOME_POS.
                                   // This allows recalibration of endstops distance without a rebuild.
@@ -830,10 +830,10 @@
   #define DEFAULT_DUAL_X_CARRIAGE_MODE DXC_AUTO_PARK_MODE
 
   // Default x offset in duplication mode (typically set to half print bed width)
-  #define DEFAULT_DUPLICATION_X_OFFSET 100
+  #define DEFAULT_DUPLICATION_X_OFFSET 175
 
   // Default action to execute following M605 mode change commands. Typically G28X to apply new mode.
-  //#define EVENT_GCODE_IDEX_AFTER_MODECHANGE "G28X"
+  #define EVENT_GCODE_IDEX_AFTER_MODECHANGE "G28X"
 #endif
 
 // @section multi stepper
@@ -860,7 +860,7 @@
  */
 #if HAS_X2_STEPPER && DISABLED(DUAL_X_CARRIAGE)
   //#define INVERT_X2_VS_X_DIR        // X2 direction signal is the opposite of X
-  //#define X_DUAL_ENDSTOPS           // X2 has its own endstop
+  #define X_DUAL_ENDSTOPS           // X2 has its own endstop
   #if ENABLED(X_DUAL_ENDSTOPS)
     //#define X2_STOP_PIN X_MAX_PIN   // X2 endstop pin override
     #define X2_ENDSTOP_ADJUSTMENT  0  // X2 offset relative to X endstop
@@ -868,8 +868,8 @@
 #endif
 
 #if HAS_Y2_STEPPER
-  //#define INVERT_Y2_VS_Y_DIR        // Y2 direction signal is the opposite of Y
-  //#define Y_DUAL_ENDSTOPS           // Y2 has its own endstop
+  #define INVERT_Y2_VS_Y_DIR        // Y2 direction signal is the opposite of Y
+  #define Y_DUAL_ENDSTOPS           // Y2 has its own endstop
   #if ENABLED(Y_DUAL_ENDSTOPS)
     //#define Y2_STOP_PIN Y_MAX_PIN   // Y2 endstop pin override
     #define Y2_ENDSTOP_ADJUSTMENT  0  // Y2 offset relative to Y endstop
@@ -931,8 +931,8 @@
 //#define HOMING_BACKOFF_POST_MM { 2, 2, 2 }  // (linear=mm, rotational=°) Backoff from endstops after homing
 //#define XY_COUNTERPART_BACKOFF_MM 0         // (mm) Backoff X after homing Y, and vice-versa
 
-//#define QUICK_HOME                          // If G28 contains XY do a diagonal move first
-//#define HOME_Y_BEFORE_X                     // If G28 contains XY home Y before X
+#define QUICK_HOME                          // If G28 contains XY do a diagonal move first
+#define HOME_Y_BEFORE_X                     // If G28 contains XY home Y before X
 //#define HOME_Z_FIRST                        // Home Z first. Requires a real endstop (not a probe).
 //#define CODEPENDENT_XY_HOMING               // If X/Y can't home without homing Y/X first
 
@@ -1020,7 +1020,7 @@
  * Z Steppers Auto-Alignment
  * Add the G34 command to align multiple Z steppers using a bed probe.
  */
-//#define Z_STEPPER_AUTO_ALIGN
+#define Z_STEPPER_AUTO_ALIGN
 #if ENABLED(Z_STEPPER_AUTO_ALIGN)
   /**
    * Define probe X and Y positions for Z1, Z2 [, Z3 [, Z4]]
@@ -1028,7 +1028,7 @@
    * If not defined, probe limits will be used.
    * Override with 'M422 S<index> X<pos> Y<pos>'.
    */
-  //#define Z_STEPPER_ALIGN_XY { {  10, 190 }, { 100,  10 }, { 190, 190 } }
+  //#define Z_STEPPER_ALIGN_XY { {  -44, 6.88 }, { 404,  6.88 }, { 209.3, 370.75 } }
 
   /**
    * Orientation for the automatically-calculated probe positions.
@@ -1061,7 +1061,7 @@
    * positions in the bed carriage, with one position per Z stepper in stepper
    * driver order.
    */
-  //#define Z_STEPPER_ALIGN_STEPPER_XY { { 210.7, 102.5 }, { 152.6, 220.0 }, { 94.5, 102.5 } }
+  #define Z_STEPPER_ALIGN_STEPPER_XY { {  -44, 6.88 }, { 404,  6.88 }, { 209.3, 370.75 } }
 
   #ifndef Z_STEPPER_ALIGN_STEPPER_XY
     // Amplification factor. Used to scale the correction step up or down in case
@@ -1070,7 +1070,7 @@
   #endif
 
   // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
-  #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
+  #define G34_MAX_GRADE              15    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 5    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this
   #define RESTORE_LEVELING_AFTER_G34      // Restore leveling after G34 is done?
@@ -1185,24 +1185,19 @@
  * Zero Vibration (ZV) Input Shaping for X and/or Y movements.
  *
  * This option uses a lot of SRAM for the step buffer. The buffer size is
- * calculated automatically from SHAPING_FREQ_[XY], DEFAULT_AXIS_STEPS_PER_UNIT,
+ * calculated automatically from SHAPING_FREQ_[XYZ], DEFAULT_AXIS_STEPS_PER_UNIT,
  * DEFAULT_MAX_FEEDRATE and ADAPTIVE_STEP_SMOOTHING. The default calculation can
  * be overridden by setting SHAPING_MIN_FREQ and/or SHAPING_MAX_FEEDRATE.
  * The higher the frequency and the lower the feedrate, the smaller the buffer.
  * If the buffer is too small at runtime, input shaping will have reduced
  * effectiveness during high speed movements.
  *
- * Tune with M593 D<factor> F<frequency>:
- *
- *  D<factor>    Set the zeta/damping factor. If axes (X, Y, etc.) are not specified, set for all axes.
- *  F<frequency> Set the frequency. If axes (X, Y, etc.) are not specified, set for all axes.
- *  T[map]       Input Shaping type, 0:ZV, 1:EI, 2:2H EI (not implemented yet)
- *  X<1>         Set the given parameters only for the X axis.
- *  Y<1>         Set the given parameters only for the Y axis.
+ * Tune with M593 D<factor> F<frequency>
  */
 //#define INPUT_SHAPING_X
 //#define INPUT_SHAPING_Y
-#if ANY(INPUT_SHAPING_X, INPUT_SHAPING_Y)
+//#define INPUT_SHAPING_Z
+#if ANY(INPUT_SHAPING_X, INPUT_SHAPING_Y, INPUT_SHAPING_Z)
   #if ENABLED(INPUT_SHAPING_X)
     #define SHAPING_FREQ_X  40.0        // (Hz) The default dominant resonant frequency on the X axis.
     #define SHAPING_ZETA_X   0.15       // Damping ratio of the X axis (range: 0.0 = no damping to 1.0 = critical damping).
@@ -1211,6 +1206,10 @@
     #define SHAPING_FREQ_Y  40.0        // (Hz) The default dominant resonant frequency on the Y axis.
     #define SHAPING_ZETA_Y   0.15       // Damping ratio of the Y axis (range: 0.0 = no damping to 1.0 = critical damping).
   #endif
+  #if ENABLED(INPUT_SHAPING_Z)
+    #define SHAPING_FREQ_Z  40.0        // (Hz) The default dominant resonant frequency on the Z axis.
+    #define SHAPING_ZETA_Z   0.15       // Damping ratio of the Z axis (range: 0.0 = no damping to 1.0 = critical damping).
+  #endif
   //#define SHAPING_MIN_FREQ  20.0      // (Hz) By default the minimum of the shaping frequencies. Override to affect SRAM usage.
   //#define SHAPING_MAX_STEPRATE 10000  // By default the maximum total step rate of the shaped axes. Override to affect SRAM usage.
   //#define SHAPING_MENU                // Add a menu to the LCD to set shaping parameters.
@@ -1263,7 +1262,7 @@
 // Increase the slowdown divisor for larger buffer sizes.
 #define SLOWDOWN
 #if ENABLED(SLOWDOWN)
-  #define SLOWDOWN_DIVISOR 2
+  #define SLOWDOWN_DIVISOR 8
 #endif
 
 /**
@@ -1281,7 +1280,7 @@
 // Backlash Compensation
 // Adds extra movement to axes on direction-changes to account for backlash.
 //
-//#define BACKLASH_COMPENSATION
+#define BACKLASH_COMPENSATION
 #if ENABLED(BACKLASH_COMPENSATION)
   // Define values for backlash distance and correction.
   // If BACKLASH_GCODE is enabled these values are the defaults.
@@ -1326,7 +1325,7 @@
  * Note: HOTEND_OFFSET and CALIBRATION_OBJECT_CENTER must be set to within
  *       ±5mm of true values for G425 to succeed.
  */
-//#define CALIBRATION_GCODE
+#define CALIBRATION_GCODE
 #if ENABLED(CALIBRATION_GCODE)
 
   //#define CALIBRATION_SCRIPT_PRE  "M117 Starting Auto-Calibration\nT0\nG28\nG12\nM117 Calibrating..."
@@ -1394,7 +1393,7 @@
  * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
  * lowest stepping frequencies.
  */
-//#define ADAPTIVE_STEP_SMOOTHING
+#define ADAPTIVE_STEP_SMOOTHING
 
 /**
  * Custom Microstepping
@@ -1529,7 +1528,7 @@
   #endif
 
   // Include a page of printer information in the LCD Main Menu
-  //#define LCD_INFO_MENU
+  #define LCD_INFO_MENU
   #if ENABLED(LCD_INFO_MENU)
     //#define LCD_PRINTER_INFO_IS_BOOTSCREEN // Show bootscreen(s) instead of Printer Info pages
   #endif
@@ -1584,7 +1583,7 @@
     #if HAS_MARLINUI_U8GLIB
       //#define BOOT_MARLIN_LOGO_ANIMATED // Animated Marlin logo. Costs ~3260 (or ~940) bytes of flash.
     #endif
-    #if ANY(HAS_MARLINUI_U8GLIB, TOUCH_UI_FTDI_EVE)
+    #if ANY(HAS_MARLINUI_U8GLIB, TOUCH_UI_FTDI_EVE, HAS_MARLINUI_HD44780)
       //#define SHOW_CUSTOM_BOOTSCREEN    // Show the bitmap in Marlin/_Bootscreen.h on startup.
     #endif
   #endif
@@ -1601,10 +1600,10 @@
   #endif
 
   // The timeout to return to the status screen from sub-menus
-  //#define LCD_TIMEOUT_TO_STATUS 15000   // (ms)
+  #define LCD_TIMEOUT_TO_STATUS 15000   // (ms)
 
   // Scroll a longer status message into view
-  //#define STATUS_MESSAGE_SCROLLING
+  #define STATUS_MESSAGE_SCROLLING
 
   // Apply a timeout to low-priority status messages
   //#define STATUS_MESSAGE_TIMEOUT_SEC 30 // (seconds)
@@ -1622,7 +1621,7 @@
    * LED Control Menu
    * Add LED Control to the LCD menu
    */
-  //#define LED_CONTROL_MENU
+  #define LED_CONTROL_MENU
   #if ENABLED(LED_CONTROL_MENU)
     #define LED_COLOR_PRESETS                 // Enable the Preset Color menu option
     //#define NEO2_COLOR_PRESETS              // Enable a second NeoPixel Preset Color menu option
@@ -1656,7 +1655,7 @@
 #endif
 
 // Add 'M73' to set print job progress, overrides Marlin's built-in estimate
-//#define SET_PROGRESS_MANUALLY
+#define SET_PROGRESS_MANUALLY
 #if ENABLED(SET_PROGRESS_MANUALLY)
   #define SET_PROGRESS_PERCENT            // Add 'P' parameter to set percentage done
   #define SET_REMAINING_TIME              // Add 'R' parameter to set remaining time
@@ -1743,7 +1742,7 @@
    * an option on the LCD screen to continue the print from the last-known
    * point in the file.
    */
-  //#define POWER_LOSS_RECOVERY
+  #define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
     #define PLR_ENABLED_DEFAULT       false // Power-Loss Recovery enabled by default. (Set with 'M413 Sn' & M500)
     //#define PLR_BED_THRESHOLD BED_MAXTEMP // (°C) Skip user confirmation at or above this bed temperature (0 to disable)
@@ -1815,11 +1814,11 @@
   // LCD's font must contain the characters. Check your selected LCD language.
   //#define UTF_FILENAME_SUPPORT
 
-  //#define LONG_FILENAME_HOST_SUPPORT    // Get the long filename of a file/folder with 'M33 <dosname>' and list long filenames with 'M20 L'
-  //#define LONG_FILENAME_WRITE_SUPPORT   // Create / delete files with long filenames via M28, M30, and Binary Transfer Protocol
+  #define LONG_FILENAME_HOST_SUPPORT    // Get the long filename of a file/folder with 'M33 <dosname>' and list long filenames with 'M20 L'
+  #define LONG_FILENAME_WRITE_SUPPORT   // Create / delete files with long filenames via M28, M30, and Binary Transfer Protocol
   //#define M20_TIMESTAMP_SUPPORT         // Include timestamps by adding the 'T' flag to M20 commands
 
-  //#define SCROLL_LONG_FILENAMES         // Scroll long filenames in the SD card menu
+  #define SCROLL_LONG_FILENAMES         // Scroll long filenames in the SD card menu
 
   //#define SD_ABORT_NO_COOLDOWN          // Leave the heaters on after Stop Print (not recommended!)
 
@@ -1835,7 +1834,7 @@
 
   //#define SD_REPRINT_LAST_SELECTED_FILE // On print completion open the LCD Menu and select the same file
 
-  //#define AUTO_REPORT_SD_STATUS         // Auto-report media status with 'M27 S<seconds>'
+  #define AUTO_REPORT_SD_STATUS         // Auto-report media status with 'M27 S<seconds>'
 
   /**
    * Support for USB thumb drives using an Arduino USB Host Shield or
@@ -1920,7 +1919,7 @@
    *
    * :[ 'LCD', 'ONBOARD', 'CUSTOM_CABLE' ]
    */
-  //#define SDCARD_CONNECTION LCD
+  #define SDCARD_CONNECTION ONBOARD
 
   // Enable if SD detect is rendered useless (e.g., by using an SD extender)
   //#define NO_SD_DETECT
@@ -2266,18 +2265,18 @@
  *
  * Warning: Does not respect endstops!
  */
-//#define BABYSTEPPING
+#define BABYSTEPPING
 #if ENABLED(BABYSTEPPING)
   //#define EP_BABYSTEPPING                 // M293/M294 babystepping with EMERGENCY_PARSER support
   //#define BABYSTEP_WITHOUT_HOMING
-  //#define BABYSTEP_ALWAYS_AVAILABLE       // Allow babystepping at all times (not just during movement)
+  #define BABYSTEP_ALWAYS_AVAILABLE       // Allow babystepping at all times (not just during movement)
   //#define BABYSTEP_XY                     // Also enable X/Y Babystepping. Not supported on DELTA!
   //#define BABYSTEP_INVERT_Z               // Enable if Z babysteps should go the other way
   //#define BABYSTEP_MILLIMETER_UNITS       // Specify BABYSTEP_MULTIPLICATOR_(XY|Z) in mm instead of micro-steps
   #define BABYSTEP_MULTIPLICATOR_Z  1       // (steps or mm) Steps or millimeter distance for each Z babystep
   #define BABYSTEP_MULTIPLICATOR_XY 1       // (steps or mm) Steps or millimeter distance for each XY babystep
 
-  //#define DOUBLECLICK_FOR_Z_BABYSTEPPING  // Double-click on the Status Screen for Z Babystepping.
+  #define DOUBLECLICK_FOR_Z_BABYSTEPPING  // Double-click on the Status Screen for Z Babystepping.
   #if ENABLED(DOUBLECLICK_FOR_Z_BABYSTEPPING)
     #define DOUBLECLICK_MAX_INTERVAL 1250   // Maximum interval between clicks, in milliseconds.
                                             // Note: Extra time may be added to mitigate controller latency.
@@ -2289,10 +2288,10 @@
 
   //#define BABYSTEP_DISPLAY_TOTAL          // Display total babysteps since last G28
 
-  //#define BABYSTEP_ZPROBE_OFFSET          // Combine M851 Z and Babystepping
+  #define BABYSTEP_ZPROBE_OFFSET          // Combine M851 Z and Babystepping
   #if ENABLED(BABYSTEP_ZPROBE_OFFSET)
     //#define BABYSTEP_HOTEND_Z_OFFSET      // For multiple hotends, babystep relative Z offsets
-    //#define BABYSTEP_GFX_OVERLAY          // Enable graphical overlay on Z-offset editor
+    #define BABYSTEP_GFX_OVERLAY          // Enable graphical overlay on Z-offset editor
   #endif
 #endif
 
@@ -2313,12 +2312,12 @@
  *
  * See https://marlinfw.org/docs/features/lin_advance.html for full instructions.
  */
-//#define LIN_ADVANCE
+#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
   #if ENABLED(DISTINCT_E_FACTORS)
-    #define ADVANCE_K { 0.22 }    // (mm) Compression length per 1mm/s extruder speed, per extruder
+    #define ADVANCE_K { 0.0 }    // (mm) Compression length per 1mm/s extruder speed, per extruder
   #else
-    #define ADVANCE_K 0.22        // (mm) Compression length applying to all extruders
+    #define ADVANCE_K 0.0        // (mm) Compression length applying to all extruders
   #endif
   //#define ADVANCE_K_EXTRA       // Add a second linear advance constant, configurable with M900 L.
   //#define LA_DEBUG              // Print debug information to serial during operation. Disable for production use.
@@ -2506,7 +2505,7 @@
 #endif
 
 // G5 Bézier Curve Support with XYZE destination and IJPQ offsets
-//#define BEZIER_CURVE_SUPPORT        // Requires ~2666 bytes
+#define BEZIER_CURVE_SUPPORT        // Requires ~2666 bytes
 
 #if ANY(ARC_SUPPORT, BEZIER_CURVE_SUPPORT)
   //#define CNC_WORKSPACE_PLANES      // Allow G2/G3/G5 to operate in XY, ZX, or YZ planes
@@ -2567,7 +2566,7 @@
  *
  * Override the default value based on the driver type set in Configuration.h.
  */
-//#define MINIMUM_STEPPER_PULSE 2
+//#define MINIMUM_STEPPER_PULSE 10
 
 /**
  * Maximum stepping rate (in Hz) the stepper driver allows
@@ -2581,7 +2580,7 @@
  *
  * Override the default value based on the driver type set in Configuration.h.
  */
-//#define MAXIMUM_STEPPER_RATE 250000
+//#define MAXIMUM_STEPPER_RATE 150000
 
 // @section temperature
 
@@ -2598,16 +2597,16 @@
 #if ALL(HAS_MEDIA, DIRECT_STEPPING)
   #define BLOCK_BUFFER_SIZE  8
 #elif HAS_MEDIA
-  #define BLOCK_BUFFER_SIZE 16
+  #define BLOCK_BUFFER_SIZE 64
 #else
-  #define BLOCK_BUFFER_SIZE 16
+  #define BLOCK_BUFFER_SIZE 64
 #endif
 
 // @section serial
 
 // The ASCII buffer for serial input
 #define MAX_CMD_SIZE 96
-#define BUFSIZE 4
+#define BUFSIZE 16
 
 // Transmission to Host Buffer Size
 // To save 386 bytes of flash (and TX_BUFFER_SIZE+3 bytes of RAM) set to 0.
@@ -2654,7 +2653,7 @@
  * Currently handles M108, M112, M410, M876
  * NOTE: Not yet implemented for all platforms.
  */
-//#define EMERGENCY_PARSER
+#define EMERGENCY_PARSER
 
 /**
  * Realtime Reporting (requires EMERGENCY_PARSER)
@@ -2685,7 +2684,7 @@
 //#define NO_TIMEOUTS 1000 // (ms)
 
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
-//#define ADVANCED_OK
+#define ADVANCED_OK
 
 // Printrun may have trouble receiving long strings all at once.
 // This option inserts short delays between lines of serial output.
@@ -2698,7 +2697,7 @@
  * This feature is EXPERIMENTAL so use with caution and test thoroughly.
  * Enable this option to receive data on the serial ports via the onboard DMA
  * controller for more stable and reliable high-speed serial communication.
- * Only some STM32 MCUs are currently supported.
+ * Support is currently limited to some STM32 MCUs and all HC32 MCUs.
  * Note: This has no effect on emulated USB serial ports.
  */
 //#define SERIAL_DMA
@@ -2769,7 +2768,7 @@
   // Z raise distance for tool-change, as needed for some extruders
   #define TOOLCHANGE_ZRAISE                 2 // (mm)
   //#define TOOLCHANGE_ZRAISE_BEFORE_RETRACT  // Apply raise before swap retraction (if enabled)
-  //#define TOOLCHANGE_NO_RETURN              // Never return to previous position on tool-change
+  #define TOOLCHANGE_NO_RETURN              // Never return to previous position on tool-change
   #if ENABLED(TOOLCHANGE_NO_RETURN)
     //#define EVENT_GCODE_AFTER_TOOLCHANGE "G12X"   // Extra G-code to run after tool-change
   #endif
@@ -2800,10 +2799,10 @@
    * Retract and prime filament on tool-change to reduce
    * ooze and stringing and to get cleaner transitions.
    */
-  //#define TOOLCHANGE_FILAMENT_SWAP
+  #define TOOLCHANGE_FILAMENT_SWAP
   #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
     // Load / Unload
-    #define TOOLCHANGE_FS_LENGTH              12  // (mm) Load / Unload length
+    #define TOOLCHANGE_FS_LENGTH              4  // (mm) Load / Unload length
     #define TOOLCHANGE_FS_EXTRA_RESUME_LENGTH  0  // (mm) Extra length for better restart. Adjust with LCD or M217 B.
     #define TOOLCHANGE_FS_RETRACT_SPEED   (50*60) // (mm/min) (Unloading)
     #define TOOLCHANGE_FS_UNRETRACT_SPEED (25*60) // (mm/min) (On SINGLENOZZLE or Bowden loading must be slowed down)
@@ -2887,7 +2886,7 @@
  *
  * Enable PARK_HEAD_ON_PAUSE to add the G-code M125 Pause and Park.
  */
-//#define ADVANCED_PAUSE_FEATURE
+#define ADVANCED_PAUSE_FEATURE
 #if ENABLED(ADVANCED_PAUSE_FEATURE)
   #define PAUSE_PARK_RETRACT_FEEDRATE         60  // (mm/s) Initial retract feedrate.
   #define PAUSE_PARK_RETRACT_LENGTH            2  // (mm) Initial retract.
@@ -2960,7 +2959,7 @@
  */
 #if HAS_TRINAMIC_CONFIG
 
-  #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
+  #define HOLD_MULTIPLIER    0.25  // Scales down the holding current from run current
 
   /**
    * Interpolate microsteps to 256
@@ -2969,10 +2968,10 @@
   #define INTERPOLATE      true
 
   #if AXIS_IS_TMC_CONFIG(X)
-    #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
+    #define X_CURRENT       1800        // (mA) RMS current. Multiply by 1.414 for peak current.
     #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
     #define X_MICROSTEPS     16        // 0..256
-    #define X_RSENSE          0.11
+    #define X_RSENSE          0.022     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
     //#define X_INTERPOLATE  true      // Enable to override 'INTERPOLATE' for the X axis
     //#define X_HOLD_MULTIPLIER 0.5    // Enable to override 'HOLD_MULTIPLIER' for the X axis
@@ -2989,10 +2988,10 @@
   #endif
 
   #if AXIS_IS_TMC_CONFIG(Y)
-    #define Y_CURRENT       800
+    #define Y_CURRENT       1800
     #define Y_CURRENT_HOME  Y_CURRENT
     #define Y_MICROSTEPS     16
-    #define Y_RSENSE          0.11
+    #define Y_RSENSE          0.022
     #define Y_CHAIN_POS      -1
     //#define Y_INTERPOLATE  true
     //#define Y_HOLD_MULTIPLIER 0.5
@@ -3009,7 +3008,7 @@
   #endif
 
   #if AXIS_IS_TMC_CONFIG(Z)
-    #define Z_CURRENT       800
+    #define Z_CURRENT       1800
     #define Z_CURRENT_HOME  Z_CURRENT
     #define Z_MICROSTEPS     16
     #define Z_RSENSE          0.11
@@ -3282,7 +3281,7 @@
     #define STEALTHCHOP_U
     #define STEALTHCHOP_V
     #define STEALTHCHOP_W
-    #define STEALTHCHOP_E
+    //#define STEALTHCHOP_E
   #endif
 
   /**
@@ -3300,10 +3299,10 @@
    * Define your own with:
    * { <off_time[1..15]>, <hysteresis_end[-3..12]>, hysteresis_start[1..8] }
    */
-  #define CHOPPER_TIMING CHOPPER_DEFAULT_12V        // All axes (override below)
-  //#define CHOPPER_TIMING_X  CHOPPER_TIMING        // For X Axes (override below)
+  #define CHOPPER_TIMING CHOPPER_DEFAULT_24V        // All axes (override below)
+  //#define CHOPPER_TIMING_X  CHOPPER_DEFAULT_36V        // For X Axes (override below)
   //#define CHOPPER_TIMING_X2 CHOPPER_TIMING_X
-  //#define CHOPPER_TIMING_Y  CHOPPER_TIMING        // For Y Axes (override below)
+  //#define CHOPPER_TIMING_Y  CHOPPER_DEFAULT_36V        // For Y Axes (override below)
   //#define CHOPPER_TIMING_Y2 CHOPPER_TIMING_Y
   //#define CHOPPER_TIMING_Z  CHOPPER_TIMING        // For Z Axes (override below)
   //#define CHOPPER_TIMING_Z2 CHOPPER_TIMING_Z
@@ -3315,7 +3314,7 @@
   //#define CHOPPER_TIMING_U  CHOPPER_TIMING        // For U Axis
   //#define CHOPPER_TIMING_V  CHOPPER_TIMING        // For V Axis
   //#define CHOPPER_TIMING_W  CHOPPER_TIMING        // For W Axis
-  //#define CHOPPER_TIMING_E  CHOPPER_TIMING        // For Extruders (override below)
+  //#define CHOPPER_TIMING_E  CHOPPER_DEFAULT_24V        // For Extruders (override below)
   //#define CHOPPER_TIMING_E1 CHOPPER_TIMING_E
   //#define CHOPPER_TIMING_E2 CHOPPER_TIMING_E
   //#define CHOPPER_TIMING_E3 CHOPPER_TIMING_E
@@ -3337,12 +3336,12 @@
    * M912 - Clear stepper driver overtemperature pre-warn condition flag.
    * M122 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define MONITOR_DRIVER_STATUS
+  #define MONITOR_DRIVER_STATUS
 
   #if ENABLED(MONITOR_DRIVER_STATUS)
     #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
-    #define STOP_ON_ERROR
+    //#define STOP_ON_ERROR
   #endif
 
   // @section tmc/hybrid
@@ -3405,12 +3404,12 @@
    * Comment *_STALL_SENSITIVITY to disable sensorless homing for that axis.
    * @section tmc/stallguard
    */
-  //#define SENSORLESS_HOMING // StallGuard capable drivers only
+  #define SENSORLESS_HOMING // StallGuard capable drivers only
 
   #if ANY(SENSORLESS_HOMING, SENSORLESS_PROBING)
     // TMC2209: 0...255. TMC2130: -64...63
-    #define X_STALL_SENSITIVITY  8
-    #define X2_STALL_SENSITIVITY X_STALL_SENSITIVITY
+    //#define X_STALL_SENSITIVITY  8
+    //#define X2_STALL_SENSITIVITY X_STALL_SENSITIVITY
     #define Y_STALL_SENSITIVITY  8
     #define Y2_STALL_SENSITIVITY Y_STALL_SENSITIVITY
     //#define Z_STALL_SENSITIVITY  8
@@ -3450,7 +3449,7 @@
    * Enable M122 debugging command for TMC stepper drivers.
    * M122 S0/1 will enable continuous reporting.
    */
-  //#define TMC_DEBUG
+  #define TMC_DEBUG
 
   /**
    * You can set your own advanced settings by filling in predefined functions.
@@ -4113,14 +4112,14 @@
  * Host Prompt Support enables Marlin to use the host for user prompts so
  * filament runout and other processes can be managed from the host side.
  */
-//#define HOST_ACTION_COMMANDS
+#define HOST_ACTION_COMMANDS
 #if ENABLED(HOST_ACTION_COMMANDS)
-  //#define HOST_PAUSE_M76                // Tell the host to pause in response to M76
-  //#define HOST_PROMPT_SUPPORT           // Initiate host prompts to get user feedback
+  #define HOST_PAUSE_M76                // Tell the host to pause in response to M76
+  #define HOST_PROMPT_SUPPORT           // Initiate host prompts to get user feedback
   #if ENABLED(HOST_PROMPT_SUPPORT)
-    //#define HOST_STATUS_NOTIFICATIONS   // Send some status messages to the host as notifications
+    #define HOST_STATUS_NOTIFICATIONS   // Send some status messages to the host as notifications
   #endif
-  //#define HOST_START_MENU_ITEM          // Add a menu item that tells the host to start
+  #define HOST_START_MENU_ITEM          // Add a menu item that tells the host to start
   //#define HOST_SHUTDOWN_MENU_ITEM       // Add a menu item that tells the host to shut down
 #endif
 
@@ -4261,7 +4260,8 @@
 
 /**
  * Instant freeze / unfreeze functionality
- * Potentially useful for emergency stop that allows being resumed.
+ * Potentially useful for rapid stop that allows being resumed. Halts stepper movement.
+ * Note this does NOT pause spindles, lasers, fans, heaters or any other auxiliary device.
  * @section interface
  */
 //#define FREEZE_FEATURE
@@ -4342,7 +4342,7 @@
  * Extras for an ESP32-based motherboard with WIFISUPPORT
  * These options don't apply to add-on WiFi modules based on ESP32 WiFi101.
  */
-#if ENABLED(WIFISUPPORT)
+#if ANY(WIFISUPPORT, ESP3D_WIFISUPPORT)
   //#define WEBSUPPORT          // Start a webserver (which may include auto-discovery) using SPIFFS
   //#define OTASUPPORT          // Support over-the-air firmware updates
   //#define WIFI_CUSTOM_COMMAND // Accept feature config commands (e.g., WiFi ESP3D) from the host

Marlin/Version.h

@@ -41,7 +41,7 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
-//#define STRING_DISTRIBUTION_DATE "2024-04-07"
+//#define STRING_DISTRIBUTION_DATE "2024-05-24"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.

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

@@ -61,7 +61,7 @@
 #else
   #define G2_PWM_Z 0
 #endif
-#if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+#if HAS_MOTOR_CURRENT_PWM_E
   #define G2_PWM_E 1
 #else
   #define G2_PWM_E 0

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

@@ -18,30 +18,30 @@ extern "C" {
 void sd_mmc_spi_mem_init() {
 }
 
-Ctrl_status sd_mmc_spi_test_unit_ready() {
-  #ifdef DISABLE_DUE_SD_MMC
-    return CTRL_NO_PRESENT;
-  #endif
-  if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
-    return CTRL_NO_PRESENT;
-  return CTRL_GOOD;
-}
-
-// NOTE: This function is defined as returning the address of the last block
-// in the card, which is cardSize() - 1
-Ctrl_status sd_mmc_spi_read_capacity(uint32_t *nb_sector) {
-  if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
-    return CTRL_NO_PRESENT;
-  *nb_sector = card.diskIODriver()->cardSize() - 1;
-  return CTRL_GOOD;
+inline bool media_ready() {
+  return IS_SD_INSERTED() && !IS_SD_PRINTING() && !IS_SD_FILE_OPEN() && card.isMounted();
 }
 
 bool sd_mmc_spi_unload(bool) { return true; }
 
 bool sd_mmc_spi_wr_protect() { return false; }
 
-bool sd_mmc_spi_removal() {
-  return (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted());
+bool sd_mmc_spi_removal() { return !media_ready(); }
+
+Ctrl_status sd_mmc_spi_test_unit_ready() {
+  #ifdef DISABLE_DUE_SD_MMC
+    return CTRL_NO_PRESENT;
+  #endif
+  if (!media_ready()) return CTRL_NO_PRESENT;
+  return CTRL_GOOD;
+}
+
+// NOTE: This function is defined as returning the address of the last block
+// in the card, which is cardSize() - 1
+Ctrl_status sd_mmc_spi_read_capacity(uint32_t *nb_sector) {
+  if (!media_ready()) return CTRL_NO_PRESENT;
+  *nb_sector = card.diskIODriver()->cardSize() - 1;
+  return CTRL_GOOD;
 }
 
 #if ACCESS_USB == true
@@ -61,8 +61,7 @@ Ctrl_status sd_mmc_spi_usb_read_10(uint32_t addr, uint16_t nb_sector) {
   #ifdef DISABLE_DUE_SD_MMC
     return CTRL_NO_PRESENT;
   #endif
-  if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
-    return CTRL_NO_PRESENT;
+  if (!media_ready()) return CTRL_NO_PRESENT;
 
   #ifdef DEBUG_MMC
   {
@@ -101,8 +100,7 @@ Ctrl_status sd_mmc_spi_usb_write_10(uint32_t addr, uint16_t nb_sector) {
   #ifdef DISABLE_DUE_SD_MMC
     return CTRL_NO_PRESENT;
   #endif
-  if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
-    return CTRL_NO_PRESENT;
+  if (!media_ready()) return CTRL_NO_PRESENT;
 
   #ifdef DEBUG_MMC
   {

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

@@ -74,7 +74,7 @@
 //!
 //! @brief This function initializes the hw/sw resources required to drive the SD_MMC_SPI.
 //!/
-extern void           sd_mmc_spi_mem_init(void);
+void sd_mmc_spi_mem_init();
 
 //!
 //! @brief This function tests the state of the SD_MMC memory and sends it to the Host.
@@ -87,7 +87,7 @@ extern void           sd_mmc_spi_mem_init(void);
 //!   Media not present    ->    CTRL_NO_PRESENT
 //!   Media has changed    ->    CTRL_BUSY
 //!/
-extern Ctrl_status    sd_mmc_spi_test_unit_ready(void);
+Ctrl_status sd_mmc_spi_test_unit_ready();
 
 //!
 //! @brief This function gives the address of the last valid sector.
@@ -98,7 +98,7 @@ extern Ctrl_status    sd_mmc_spi_test_unit_ready(void);
 //!   Media ready          ->  CTRL_GOOD
 //!   Media not present    ->  CTRL_NO_PRESENT
 //!/
-extern Ctrl_status    sd_mmc_spi_read_capacity(uint32_t *nb_sector);
+Ctrl_status sd_mmc_spi_read_capacity(uint32_t *nb_sector);
 
 /*! \brief Unload/Load the SD/MMC card selected
  *
@@ -109,7 +109,7 @@ extern Ctrl_status    sd_mmc_spi_read_capacity(uint32_t *nb_sector);
  *
  * \return \c true if unload/load done success.
  */
-extern bool sd_mmc_spi_unload(bool unload);
+bool sd_mmc_spi_unload(bool unload);
 
 //!
 //! @brief This function returns the write protected status of the memory.
@@ -120,14 +120,14 @@ extern bool sd_mmc_spi_unload(bool unload);
 //!
 //! @return false  -> the memory is not write-protected (always)
 //!/
-extern bool           sd_mmc_spi_wr_protect(void);
+bool sd_mmc_spi_wr_protect();
 
 //!
 //! @brief This function tells if the memory has been removed or not.
 //!
 //! @return false  -> The memory isn't removed
 //!
-extern bool           sd_mmc_spi_removal(void);
+bool sd_mmc_spi_removal();
 
 //---- ACCESS DATA FUNCTIONS ----
 
@@ -147,7 +147,7 @@ extern bool           sd_mmc_spi_removal(void);
 //!   It is ready    ->    CTRL_GOOD
 //!   A error occur  ->    CTRL_FAIL
 //!
-extern Ctrl_status    sd_mmc_spi_usb_read_10(uint32_t addr, uint16_t nb_sector);
+Ctrl_status sd_mmc_spi_usb_read_10(uint32_t addr, uint16_t nb_sector);
 
 //! This function initializes the SD/MMC memory for a write operation
 //!
@@ -161,7 +161,7 @@ extern Ctrl_status    sd_mmc_spi_usb_read_10(uint32_t addr, uint16_t nb_sector);
 //!   It is ready    ->    CTRL_GOOD
 //!   An error occurs  ->    CTRL_FAIL
 //!
-extern Ctrl_status    sd_mmc_spi_usb_write_10(uint32_t addr, uint16_t nb_sector);
+Ctrl_status sd_mmc_spi_usb_write_10(uint32_t addr, uint16_t nb_sector);
 
 #endif // #if ACCESS_USB == true
 

Marlin/src/HAL/HC32/HAL.h

@@ -142,12 +142,31 @@
 // ADC
 //
 #define HAL_ADC_VREF_MV 3300
-#define HAL_ADC_RESOLUTION 10
+#define HAL_ADC_RESOLUTION 12
 
 #define GET_PIN_MAP_PIN(index) index
 #define GET_PIN_MAP_INDEX(pin) pin
 #define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
 
+//
+// Debug port disable
+// JTMS / SWDIO = PA13
+// JTCK / SWCLK = PA14
+// JTDI         = PA15
+// JTDO         = PB3
+// NJTRST       = PB4
+//
+#define DBG_SWCLK _BV(0)
+#define DBG_SWDIO _BV(1)
+#define DBG_TDO   _BV(2)
+#define DBG_TDI   _BV(3)
+#define DBG_TRST  _BV(4)
+#define DBG_ALL (DBG_SWCLK | DBG_SWDIO | DBG_TDO | DBG_TDI | DBG_TRST)
+
+#define JTAGSWD_RESET() PORT_DebugPortSetting(DBG_ALL, Enable);
+#define JTAG_DISABLE() PORT_DebugPortSetting(DBG_TDO | DBG_TDI | DBG_TRST, Disable);
+#define JTAGSWD_DISABLE() PORT_DebugPortSetting(DBG_ALL, Disable);
+
 //
 // MarlinHAL implementation
 //

Marlin/src/HAL/HC32/MarlinHAL.cpp

@@ -123,6 +123,11 @@ void MarlinHAL::init() {
 
   // Register min serial
   TERN_(POSTMORTEM_DEBUGGING, install_min_serial());
+
+  // warn if low memory after init
+  if (freeMemory() < 1024) {
+    SERIAL_WARN_MSG("HAL: low memory after init!\n");
+  }
 }
 
 void MarlinHAL::init_board() {}
@@ -147,7 +152,31 @@ void MarlinHAL::delay_ms(const int ms) {
   delay(ms);
 }
 
-void MarlinHAL::idletask() {}
+void MarlinHAL::idletask() {
+  #if ENABLED(MARLIN_DEV_MODE)
+    // check & print serial RX errors
+    MSerialT *serials[] = { &MSerial1, &MSerial2 };
+    for (int serial = 0; serial < 2; serial++) {
+      usart_receive_error_t err = serials[serial]->getReceiveError();
+      if (err != usart_receive_error_t::None) {
+        // "Warning: MSerial[n] RX [Framing|Parity|Overrun] Error"
+        SERIAL_WARN_START();
+        SERIAL_ECHOPGM(" MSerial");
+        SERIAL_ECHO(serial + 1);
+        SERIAL_ECHOPGM(" RX ");
+        switch(err) {
+          case usart_receive_error_t::FramingError: SERIAL_ECHOPGM("Framing"); break;
+          case usart_receive_error_t::ParityError:  SERIAL_ECHOPGM("Parity");  break;
+          case usart_receive_error_t::OverrunError: SERIAL_ECHOPGM("Overrun"); break;
+          case usart_receive_error_t::RxDataDropped: SERIAL_ECHOPGM("DataDropped"); break;
+          default: break;
+        }
+        SERIAL_ECHOPGM(" Error");
+        SERIAL_EOL();
+      }
+    }
+  #endif
+}
 
 uint8_t MarlinHAL::get_reset_source() {
   // Query reset cause from RMU
@@ -203,7 +232,9 @@ int MarlinHAL::freeMemory() {
   return &top - _sbrk(0);
 }
 
-void MarlinHAL::adc_init() {}
+void MarlinHAL::adc_init() {
+  analogReadResolution(HAL_ADC_RESOLUTION);
+}
 
 void MarlinHAL::adc_enable(const pin_t pin) {
   #if TEMP_SENSOR_SOC

Marlin/src/HAL/HC32/MarlinSerial.cpp

@@ -46,14 +46,34 @@ constexpr bool serial_handles_emergency(int port) {
 //
 // Define serial ports
 //
-#define DEFINE_HWSERIAL_MARLIN(name, n)      \
+
+// serial port where RX and TX use IRQs
+#define DEFINE_IRQ_SERIAL_MARLIN(name, n)      \
   MSerialT name(serial_handles_emergency(n), \
                 &USART##n##_config,          \
                 BOARD_USART##n##_TX_PIN,     \
                 BOARD_USART##n##_RX_PIN);
 
-DEFINE_HWSERIAL_MARLIN(MSerial1, 1);
-DEFINE_HWSERIAL_MARLIN(MSerial2, 2);
+// serial port where RX uses DMA and TX uses IRQs
+// all serial ports use DMA1
+// since there are 4 USARTs and 4 DMA channels, we can use the USART number as the DMA channel
+#define DEFINE_DMA_SERIAL_MARLIN(name, n)      \
+  MSerialT name(serial_handles_emergency(n), \
+                &USART##n##_config,          \
+                BOARD_USART##n##_TX_PIN,     \
+                BOARD_USART##n##_RX_PIN,     \
+                M4_DMA1,                     \
+                ((en_dma_channel_t)(n - 1))); // map USART1 to DMA channel 0, USART2 to DMA channel 1, etc.
+
+#define DEFINE_SERIAL_MARLIN(name, n) TERN(SERIAL_DMA, DEFINE_DMA_SERIAL_MARLIN(name, n), DEFINE_IRQ_SERIAL_MARLIN(name, n))
+
+DEFINE_SERIAL_MARLIN(MSerial1, 1);
+DEFINE_SERIAL_MARLIN(MSerial2, 2);
+
+// TODO: remove this warning when SERIAL_DMA has been tested some more
+#if ENABLED(SERIAL_DMA)
+  #warning "SERIAL_DMA may be unstable on HC32F460."
+#endif
 
 //
 // Serial port assertions

Marlin/src/HAL/HC32/MarlinSerial.h

@@ -25,17 +25,42 @@
 #include <drivers/usart/Usart.h>
 
 // Optionally set uart IRQ priority to reduce overflow errors
-// #define UART_IRQ_PRIO 1
+//#define UART_RX_IRQ_PRIO 1
+//#define UART_TX_IRQ_PRIO 1
+//#define UART_RX_DMA_IRQ_PRIO 1
 
 struct MarlinSerial : public Usart {
-  MarlinSerial(struct usart_config_t *usart_device, gpio_pin_t tx_pin, gpio_pin_t rx_pin) : Usart(usart_device, tx_pin, rx_pin) {}
+  MarlinSerial(
+    struct usart_config_t *usart_device,
+    gpio_pin_t tx_pin,
+    gpio_pin_t rx_pin
+    #if ENABLED(SERIAL_DMA)
+    , M4_DMA_TypeDef *dma_unit = nullptr,
+    en_dma_channel_t rx_dma_channel = DmaCh0
+    #endif
+  ) : Usart(usart_device, tx_pin, rx_pin) {
+    #if ENABLED(SERIAL_DMA)
+      if (dma_unit != nullptr) {
+        enableRxDma(dma_unit, rx_dma_channel);
+      }
+    #endif
+  }
 
-  #ifdef UART_IRQ_PRIO
+  #if defined(UART_RX_IRQ_PRIO) || defined(UART_TX_IRQ_PRIO) || defined(UART_RX_DMA_IRQ_PRIO)
     void setPriority() {
-      NVIC_SetPriority(c_dev()->interrupts.rx_data_available.interrupt_number, UART_IRQ_PRIO);
-      NVIC_SetPriority(c_dev()->interrupts.rx_error.interrupt_number, UART_IRQ_PRIO);
-      NVIC_SetPriority(c_dev()->interrupts.tx_buffer_empty.interrupt_number, UART_IRQ_PRIO);
-      NVIC_SetPriority(c_dev()->interrupts.tx_complete.interrupt_number, UART_IRQ_PRIO);
+      #if defined(UART_RX_IRQ_PRIO)
+        NVIC_SetPriority(c_dev()->interrupts.rx_data_available.interrupt_number, UART_RX_IRQ_PRIO);
+        NVIC_SetPriority(c_dev()->interrupts.rx_error.interrupt_number, UART_RX_IRQ_PRIO);
+      #endif
+
+      #if defined(UART_TX_IRQ_PRIO)
+        NVIC_SetPriority(c_dev()->interrupts.tx_buffer_empty.interrupt_number, UART_TX_IRQ_PRIO);
+        NVIC_SetPriority(c_dev()->interrupts.tx_complete.interrupt_number, UART_TX_IRQ_PRIO);
+      #endif
+
+      #if defined(UART_RX_DMA_IRQ_PRIO) && ENABLED(SERIAL_DMA)
+        NVIC_SetPriority(c_dev()->dma.rx.rx_data_available_dma_btc.interrupt_number, UART_RX_DMA_IRQ_PRIO);
+      #endif
     }
 
     void begin(uint32_t baud) {
@@ -47,7 +72,12 @@ struct MarlinSerial : public Usart {
       Usart::begin(baud, config);
       setPriority();
     }
-  #endif
+
+    void begin(uint32_t baud, const stc_usart_uart_init_t *config, const bool rxNoiseFilter = true) {
+      Usart::begin(baud, config, rxNoiseFilter);
+      setPriority();
+    }
+  #endif // UART_RX_IRQ_PRIO || UART_TX_IRQ_PRIO || UART_RX_DMA_IRQ_PRIO
 };
 
 typedef Serial1Class<MarlinSerial> MSerialT;

Marlin/src/HAL/HC32/app_config.h

@@ -0,0 +1,75 @@
+/**
+ * app_config.h is included by the hc32f460 arduino build script for every source file.
+ * it is used to configure the arduino core (and ddl) automatically according
+ * to the settings in Configuration.h and Configuration_adv.h.
+ */
+#pragma once
+#ifndef _HC32_APP_CONFIG_H_
+#define _HC32_APP_CONFIG_H_
+
+#include "../../inc/MarlinConfigPre.h"
+
+//
+// dev mode
+//
+#if ENABLED(MARLIN_DEV_MODE)
+  #define __DEBUG 1
+  #define __CORE_DEBUG 1
+#endif
+
+//
+// Fault Handlers and Panic
+//
+
+#if ENABLED(POSTMORTEM_DEBUGGING)
+  // disable arduino core fault handler, as we define our own
+  #define CORE_DISABLE_FAULT_HANDLER 1
+#endif
+
+// force-enable panic handler so that we can use our custom one (in MinSerial)
+#define PANIC_ENABLE 1
+
+// use short filenames in ddl debug and core panic output
+#define __DEBUG_SHORT_FILENAMES 1
+#define __PANIC_SHORT_FILENAMES 1
+
+// omit panic messages in core panic output
+#define __OMIT_PANIC_MESSAGE 1
+
+//
+// Usart
+//
+
+// disable serial globals (Serial1, Serial2, ...), as we define our own
+#define DISABLE_SERIAL_GLOBALS 1
+
+// increase the size of the Usart buffers (both RX and TX)
+// NOTE:
+// the heap usage will increase by (SERIAL_BUFFER_SIZE - 64) * "number of serial ports used"
+// if running out of heap, the system may become unstable
+//#define SERIAL_BUFFER_SIZE 256
+
+// enable support for Usart Clock Divider / Oversampling auto config
+#define USART_AUTO_CLKDIV_OS_CONFIG 1
+
+// enable USART_RX_DMA_SUPPORT core option when SERIAL_DMA is enabled
+#if ENABLED(SERIAL_DMA)
+  #define USART_RX_DMA_SUPPORT 1
+#endif
+
+//
+// Misc.
+//
+
+// redirect printf to host serial
+#define REDIRECT_PRINTF_TO_SERIAL 1
+
+// F_CPU must be known at compile time, but on HC32F460 it's not.
+// Thus we assume HCLK to be 200MHz, as that's what is configured in
+// 'core_hook_sysclock_init' in 'sysclock.cpp'.
+// If you face issues with this assumption, please double-check with the values
+// printed by 'MarlinHAL::HAL_clock_frequencies_dump'.
+// see also: HAL_TIMER_RATE in timers.h
+#define F_CPU 200000000 // 200MHz HCLK
+
+#endif // _HC32_APP_CONFIG_H_

Marlin/src/HAL/HC32/inc/SanityCheck.h

@@ -20,6 +20,20 @@
  *
  */
 #pragma once
+#include <core_util.h>
+
+#if !defined(ARDUINO_CORE_VERSION_INT) || !defined(GET_VERSION_INT)
+  // version macros were introduced in arduino core version 1.1.0
+  // below that version, we polyfill them
+  #define GET_VERSION_INT(major, minor, patch) ((major * 100000) + (minor * 1000) + patch)
+  #define ARDUINO_CORE_VERSION_INT GET_VERSION_INT(1, 0, 0)
+#endif
+
+#if ARDUINO_CORE_VERSION_INT < GET_VERSION_INT(1, 1, 0)
+  // because we use app_config.h introduced in arduino core version 1.1.0, the
+  // HAL is not compatible with older versions
+  #error "The HC32 HAL is not compatible with Arduino Core versions < 1.1.0. Consider updating the Arduino Core."
+#endif
 
 #ifndef BOARD_XTAL_FREQUENCY
   #error "BOARD_XTAL_FREQUENCY is required for HC32F460."
@@ -74,3 +88,18 @@
     #error "HC32 HAL uses a custom panic handler. Do not define PANIC_USARTx_TX_PIN."
   #endif
 #endif
+
+#if ENABLED(SERIAL_DMA)
+  #if !defined(USART_RX_DMA_SUPPORT)
+    #error "SERIAL_DMA requires USART_RX_DMA_SUPPORT to be enabled in the arduino core."
+  #endif
+
+  // USART_RX_DMA_SUPPORT does not implement core_hook_usart_rx_irq, which is required for the emergency parser
+  #if ENABLED(EMERGENCY_PARSER)
+    #error "EMERGENCY_PARSER is not supported with SERIAL_DMA. Please disable either SERIAL_DMA or EMERGENCY_PARSER."
+  #endif
+
+  #if ARDUINO_CORE_VERSION_INT < GET_VERSION_INT(1, 1, 0)
+    #error "SERIAL_DMA is not supported with arduino core version < 1.1.0."
+  #endif
+#endif

Marlin/src/HAL/HC32/sdio.cpp

@@ -54,7 +54,7 @@
     fn                                              \
   }
 
-stc_sd_handle_t *handle;
+stc_sd_handle_t *handle = nullptr;
 
 bool SDIO_Init() {
   // Configure SDIO pins
@@ -66,36 +66,45 @@ bool SDIO_Init() {
   GPIO_SetFunc(BOARD_SDIO_CMD, Func_Sdio);
   GPIO_SetFunc(BOARD_SDIO_DET, Func_Sdio);
 
+  // If a handle is already initialized, free it before creating a new one
+  // otherwise, we will leak memory, which will eventually crash the system
+  if (handle != nullptr) {
+    delete handle->pstcDmaInitCfg;
+    delete handle->pstcCardInitCfg;
+    delete handle;
+    handle = nullptr;
+  }
+
   // Create DMA configuration
   stc_sdcard_dma_init_t *dmaConf = new stc_sdcard_dma_init_t;
   dmaConf->DMAx = SDIO_DMA_PERIPHERAL;
   dmaConf->enDmaCh = SDIO_DMA_CHANNEL;
 
+  // Create card configuration
+  // This should be a fairly safe configuration for most cards
+  stc_sdcard_init_t *cardConf = new stc_sdcard_init_t;
+  cardConf->enBusWidth = SdiocBusWidth4Bit;
+  cardConf->enClkFreq = SdiocClk400K;
+  cardConf->enSpeedMode = SdiocNormalSpeedMode;
+  cardConf->pstcInitCfg = nullptr;
+
   // Create handle in DMA mode
   handle = new stc_sd_handle_t;
   handle->SDIOCx = SDIO_PERIPHERAL;
   handle->enDevMode = SdCardDmaMode;
   handle->pstcDmaInitCfg = dmaConf;
-
-  // Create card configuration
-  // This should be a fairly safe configuration for most cards
-  stc_sdcard_init_t cardConf = {
-    .enBusWidth = SdiocBusWidth4Bit,
-    .enClkFreq = SdiocClk400K,
-    .enSpeedMode = SdiocNormalSpeedMode,
-    //.pstcInitCfg = NULL,
-  };
+  //handle->pstcCardInitCfg = cardConf; // assigned in SDCARD_Init
 
   // Initialize sd card
-  en_result_t rc = SDCARD_Init(handle, &cardConf);
+  en_result_t rc = SDCARD_Init(handle, cardConf);
   if (rc != Ok) printf("SDIO_Init() error (rc=%u)\n", rc);
 
   return rc == Ok;
 }
 
 bool SDIO_ReadBlock(uint32_t block, uint8_t *dst) {
-  CORE_ASSERT(handle != NULL, "SDIO not initialized");
-  CORE_ASSERT(dst != NULL, "SDIO_ReadBlock dst is NULL");
+  CORE_ASSERT(handle != nullptr, "SDIO not initialized", return false);
+  CORE_ASSERT(dst != nullptr, "SDIO_ReadBlock dst is NULL", return false);
 
   WITH_RETRY(SDIO_READ_RETRIES, {
     en_result_t rc = SDCARD_ReadBlocks(handle, block, 1, dst, SDIO_READ_TIMEOUT);
@@ -107,8 +116,8 @@ bool SDIO_ReadBlock(uint32_t block, uint8_t *dst) {
 }
 
 bool SDIO_WriteBlock(uint32_t block, const uint8_t *src) {
-  CORE_ASSERT(handle != NULL, "SDIO not initialized");
-  CORE_ASSERT(src != NULL, "SDIO_WriteBlock src is NULL");
+  CORE_ASSERT(handle != nullptr, "SDIO not initialized", return false);
+  CORE_ASSERT(src != nullptr, "SDIO_WriteBlock src is NULL", return false);
 
   WITH_RETRY(SDIO_WRITE_RETRIES, {
     en_result_t rc = SDCARD_WriteBlocks(handle, block, 1, (uint8_t *)src, SDIO_WRITE_TIMEOUT);
@@ -120,12 +129,12 @@ bool SDIO_WriteBlock(uint32_t block, const uint8_t *src) {
 }
 
 bool SDIO_IsReady() {
-  CORE_ASSERT(handle != NULL, "SDIO not initialized");
+  CORE_ASSERT(handle != nullptr, "SDIO not initialized", return false);
   return bool(handle->stcCardStatus.READY_FOR_DATA);
 }
 
 uint32_t SDIO_GetCardSize() {
-  CORE_ASSERT(handle != NULL, "SDIO not initialized");
+  CORE_ASSERT(handle != nullptr, "SDIO not initialized", return 0);
 
   // Multiply number of blocks with block size to get size in bytes
   const uint64_t cardSizeBytes = uint64_t(handle->stcSdCardInfo.u32LogBlockNbr) * uint64_t(handle->stcSdCardInfo.u32LogBlockSize);

Marlin/src/HAL/HC32/sysclock.cpp

@@ -96,29 +96,44 @@ void core_hook_sysclock_init() {
     #endif
   #endif
 
-  // Setup clock divisors for sysclk = 200 MHz:
+  // sysclk is now configured according to F_CPU (i.e., 200MHz PLL output)
+  constexpr uint32_t sysclock = F_CPU;
+
+  // Setup clock divisors for sysclk = 200 MHz
   // Note: PCLK1 is used for step+temp timers, and need to be kept at 50 MHz (until there is a better solution)
-  stc_clk_sysclk_cfg_t sysClkConf = {
+  constexpr stc_clk_sysclk_cfg_t sysClkConf = {
       .enHclkDiv = ClkSysclkDiv1,  // HCLK  = 200 MHz (CPU)
       .enExclkDiv = ClkSysclkDiv2, // EXCLK = 100 MHz (SDIO)
-      .enPclk0Div = ClkSysclkDiv1, // PCLK0 = 200 MHz (Timer6 (not used))
+      .enPclk0Div = ClkSysclkDiv2, // PCLK0 = 100 MHz (Timer6 (not used))
       .enPclk1Div = ClkSysclkDiv4, // PCLK1 = 50 MHz (USART, SPI, I2S, Timer0 (step+temp), TimerA (Servo))
-      .enPclk2Div = ClkSysclkDiv4, // PCLK2 = 50 MHz (ADC)
-      .enPclk3Div = ClkSysclkDiv4, // PCLK3 = 50 MHz (I2C, WDT)
+      .enPclk2Div = ClkSysclkDiv8, // PCLK2 = 25 MHz (ADC)
+      .enPclk3Div = ClkSysclkDiv8, // PCLK3 = 25 MHz (I2C, WDT)
       .enPclk4Div = ClkSysclkDiv2, // PCLK4 = 100 MHz (ADC ctl)
   };
+
+  #if ARDUINO_CORE_VERSION_INT >= GET_VERSION_INT(1, 2, 0)
+    assert_system_clocks_valid<
+      sysclock,
+      sysClkConf.enHclkDiv,
+      sysClkConf.enPclk0Div,
+      sysClkConf.enPclk1Div,
+      sysClkConf.enPclk2Div,
+      sysClkConf.enPclk3Div,
+      sysClkConf.enPclk4Div,
+      sysClkConf.enExclkDiv
+    >();
+  #endif
+
   sysclock_set_clock_dividers(&sysClkConf);
 
   // Set power mode
-  #define POWER_MODE_SYSTEM_CLOCK 200000000 // 200 MHz
-  power_mode_update_pre(POWER_MODE_SYSTEM_CLOCK);
+  power_mode_update_pre(sysclock);
 
   // Switch to MPLL as sysclk source
   CLK_SetSysClkSource(CLKSysSrcMPLL);
 
   // Set power mode
-  power_mode_update_post(POWER_MODE_SYSTEM_CLOCK);
-  #undef POWER_MODE_SYSTEM_CLOCK
+  power_mode_update_post(sysclock);
 }
 
 #endif // ARDUINO_ARCH_HC32

Marlin/src/HAL/HC32/timers.h

@@ -38,44 +38,48 @@ extern Timer0 step_timer;
 // Timer Configurations
 //
 
-// TODO: some calculations (step irq min_step_rate) require the timer rate to be known at compile time
-//       this is not possible with the HC32F460, as the timer rate depends on PCLK1
-//       as a workaround, PCLK1 = 50MHz is assumed (check with clock dump in MarlinHAL::init())
-#define HAL_TIMER_RATE 50000000 // 50MHz
-// #define HAL_TIMER_RATE TIMER0_BASE_FREQUENCY
-
-// TODO: CYCLES_PER_MICROSECOND seems to be used by Marlin to calculate the number of cycles per microsecond in the timer ISRs
-//       by default, it uses F_CPU, but since that is not known at compile time for HC32, we overwrite it here
-#undef CYCLES_PER_MICROSECOND
-#define CYCLES_PER_MICROSECOND (HAL_TIMER_RATE / 1000000UL)
+/**
+ * HAL_TIMER_RATE must be known at compile time since it's used to calculate
+ * STEPPER_TIMER_RATE, which is used in 'constexpr' calculations.
+ * On the HC32F460 the timer rate depends on PCLK1, which is derived from the
+ * system clock configured at runtime. As a workaround, we use the existing
+ * assumption of a 200MHz clock, defining F_CPU as 200000000, then configure PCLK1
+ * as F_CPU with a divider of 4 in 'sysclock.cpp::core_hook_sysclock_init'.
+ *
+ * If you face issues with this assumption, please double-check with the values
+ * printed by 'MarlinHAL::HAL_clock_frequencies_dump'.
+ *
+ * TODO: If the 'constexpr' requirement is ever lifted, use TIMER0_BASE_FREQUENCY instead
+ */
+#define HAL_TIMER_RATE (F_CPU / 4) // i.e., 50MHz
+//#define HAL_TIMER_RATE TIMER0_BASE_FREQUENCY
 
 // Temperature timer
-#define TEMP_TIMER_NUM (&temp_timer)
-#define TEMP_TIMER_PRIORITY DDL_IRQ_PRIORITY_02
-#define TEMP_TIMER_PRESCALE 16ul
-#define TEMP_TIMER_RATE 1000                 // 1kHz
-#define TEMP_TIMER_FREQUENCY TEMP_TIMER_RATE // Alias for Marlin
+#define TEMP_TIMER_NUM        (&temp_timer)
+#define TEMP_TIMER_PRIORITY   DDL_IRQ_PRIORITY_02
+#define TEMP_TIMER_PRESCALE     16UL          // 12.5MHz
+#define TEMP_TIMER_RATE       1000            // 1kHz
+#define TEMP_TIMER_FREQUENCY  TEMP_TIMER_RATE // 1kHz also
 
 // Stepper timer
-#define STEP_TIMER_NUM (&step_timer)
-#define STEP_TIMER_PRIORITY DDL_IRQ_PRIORITY_01
-#define STEPPER_TIMER_PRESCALE 16ul
+#define STEP_TIMER_NUM         (&step_timer)
+#define STEP_TIMER_PRIORITY    DDL_IRQ_PRIORITY_00  // Top priority, nothing else uses it
+#define STEPPER_TIMER_PRESCALE  16UL                // 12.5MHz
 
-// TODO: STEPPER_TIMER_RATE seems to work fine like this, but requires further testing...
-#define STEPPER_TIMER_RATE (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE) // 50MHz / 16 = 3.125MHz
-#define STEPPER_TIMER_TICKS_PER_US (STEPPER_TIMER_RATE / 1000000)
+#define STEPPER_TIMER_RATE (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE)  // 50MHz / 16 = 3.125MHz
+#define STEPPER_TIMER_TICKS_PER_US (STEPPER_TIMER_RATE / 1000000UL)   // Integer 3
 
 // Pulse timer (== stepper timer)
-#define PULSE_TIMER_NUM STEP_TIMER_NUM
-#define PULSE_TIMER_PRESCALE STEPPER_TIMER_PRESCALE
-#define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
+#define PULSE_TIMER_NUM           STEP_TIMER_NUM
+#define PULSE_TIMER_PRESCALE      STEPPER_TIMER_PRESCALE
+#define PULSE_TIMER_TICKS_PER_US  STEPPER_TIMER_TICKS_PER_US
 
 //
 // Channel aliases
 //
-#define MF_TIMER_TEMP TEMP_TIMER_NUM
-#define MF_TIMER_STEP STEP_TIMER_NUM
-#define MF_TIMER_PULSE PULSE_TIMER_NUM
+#define MF_TIMER_TEMP   TEMP_TIMER_NUM
+#define MF_TIMER_STEP   STEP_TIMER_NUM
+#define MF_TIMER_PULSE  PULSE_TIMER_NUM
 
 //
 // HAL functions

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

@@ -37,7 +37,10 @@ Timer::Timer() {
 }
 
 Timer::~Timer() {
-  timer_delete(timerid);
+  if (timerid != 0) {
+    timer_delete(timerid);
+    timerid = 0;
+  }
 }
 
 void Timer::init(uint32_t sig_id, uint32_t sim_freq, callback_fn* fn) {

Marlin/src/HAL/LINUX/main.cpp

@@ -21,6 +21,7 @@
  */
 
 #ifdef __PLAT_LINUX__
+#ifndef UNIT_TEST
 
 //#define GPIO_LOGGING // Full GPIO and Positional Logging
 
@@ -135,4 +136,5 @@ int main() {
   read_serial.join();
 }
 
+#endif // UNIT_TEST
 #endif // __PLAT_LINUX__

Marlin/src/HAL/LPC4078/HAL.cpp

@@ -0,0 +1,125 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include "../shared/Delay.h"
+#include "../../../gcode/parser.h"
+
+DefaultSerial1 USBSerial(false, MCDCSerial0);
+
+uint32_t MarlinHAL::adc_result = 0;
+
+// U8glib required functions
+extern "C" {
+  void u8g_xMicroDelay(uint16_t val) { DELAY_US(val); }
+  void u8g_MicroDelay()              { u8g_xMicroDelay(1); }
+  void u8g_10MicroDelay()            { u8g_xMicroDelay(10); }
+  void u8g_Delay(uint16_t val)       { delay(val); }
+}
+
+// return free heap space
+int freeMemory() {
+  char stack_end;
+  void *heap_start = malloc(sizeof(uint32_t));
+  if (heap_start == 0) return 0;
+
+  uint32_t result = (uint32_t)&stack_end - (uint32_t)heap_start;
+  free(heap_start);
+  return result;
+}
+
+void MarlinHAL::reboot() { MCUCore::nvic_system_reset(); }
+
+uint8_t MarlinHAL::get_reset_source() {
+  #if ENABLED(USE_WATCHDOG)
+    if (watchdog_timed_out()) return RST_WATCHDOG;
+  #endif
+  return RST_POWER_ON;
+}
+
+void MarlinHAL::clear_reset_source() { watchdog_clear_timeout_flag(); }
+
+void flashFirmware(const int16_t) {
+  delay(500);          // Give OS time to disconnect
+  //USB_Connect(false);  // USB clear connection
+  delay(1000);         // Give OS time to notice
+  hal.reboot();
+}
+
+#if ENABLED(USE_WATCHDOG)
+
+  #define WDT_TIMEOUT TERN(WATCHDOG_DURATION_8S, 8.0f, 4.0f) // 4 or 8 second timeout
+
+  void MarlinHAL::watchdog_init() {
+    #if ENABLED(WATCHDOG_RESET_MANUAL)
+      // We enable the watchdog timer, but only for the interrupt.
+
+      // Configure WDT to only trigger an interrupt
+      // Disable WDT interrupt (just in case, to avoid triggering it!)
+      NVIC_DisableIRQ(WDT_IRQn);
+
+      // We NEED memory barriers to ensure Interrupts are actually disabled!
+      // ( https://dzone.com/articles/nvic-disabling-interrupts-on-arm-cortex-m-and-the )
+      __DSB();
+      __ISB();
+
+      // WDT defaults to trigger an interrupt
+
+      // Configure and enable WDT interrupt.
+      NVIC_ClearPendingIRQ(WDT_IRQn);
+      NVIC_SetPriority(WDT_IRQn, 0); // Use highest priority, so we detect all kinds of lockups
+      NVIC_EnableIRQ(WDT_IRQn);
+    #else
+      MCUI::watchdog_set_timeout_triggers_reset();
+    #endif
+    MCUI::watchdog_set_timeout_in_seconds(WDT_TIMEOUT);
+    MCUI::watchdog_enable();
+  }
+
+  void MarlinHAL::watchdog_refresh() {
+    MCUI::watchdog_feed();
+    #if DISABLED(PINS_DEBUGGING) && PIN_EXISTS(LED)
+      static millis_t next_flash = millis();
+      if (ELAPSED(millis(), next_flash)) {
+        next_flash = millis() + 200;
+        TOGGLE(LED_PIN);  // heartbeat indicator
+      }
+    #endif
+  }
+
+  // Timeout state
+  bool MarlinHAL::watchdog_timed_out() { return MCUI::watchdog_has_triggered(); }
+  void MarlinHAL::watchdog_clear_timeout_flag() { MCUI::watchdog_clear_timeout_flag(); }
+
+#endif // USE_WATCHDOG
+
+// For M42/M43, scan command line for pin code
+//   return index into pin map array if found and the pin is valid.
+//   return dval if not found or not a valid pin.
+int16_t PARSED_PIN_INDEX(const char code, const int16_t dval) {
+  const uint16_t val = (uint16_t)parser.intval(code, -1), port = val / 100, pin = val % 100;
+  const  int16_t ind = (port < ((NUM_DIGITAL_PINS) >> 5) && pin < 32) ? ((port << 5) | pin) : -2;
+  return ind > -1 ? ind : dval;
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/HAL.h

@@ -0,0 +1,276 @@
+/**
+ * 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
+ *
+ * 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_LPC1768/HAL.h
+ * Hardware Abstraction Layer for NXP LPC1768
+ */
+
+#define CPU_32_BIT
+
+#include <stdint.h>
+#include <stdarg.h>
+#include <algorithm>
+
+#include "../shared/Marduino.h"
+#include "../shared/Delay.h"
+#include "../shared/math_32bit.h"
+#include "../shared/HAL_SPI.h"
+#include "fastio.h"
+#include "MarlinSerial.h"
+
+#include <mcu_interface.h>
+
+// ------------------------
+// Serial ports
+// ------------------------
+
+typedef ForwardSerial1Class< decltype(MCDCSerial0) > DefaultSerial1;
+extern DefaultSerial1 USBSerial;
+
+#define _MSERIAL(X) MSerial##X
+#define MSERIAL(X) _MSERIAL(X)
+
+#if SERIAL_PORT == -1
+  #define MYSERIAL1 USBSerial
+#elif WITHIN(SERIAL_PORT, 0, 3)
+  #define MYSERIAL1 MSERIAL(SERIAL_PORT)
+#else
+  #error "SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
+#endif
+
+#ifdef SERIAL_PORT_2
+  #if SERIAL_PORT_2 == -1
+    #define MYSERIAL2 USBSerial
+  #elif WITHIN(SERIAL_PORT_2, 0, 3)
+    #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
+  #else
+    #error "SERIAL_PORT_2 must be from 0 to 3. You can also use -1 if the board supports Native USB."
+  #endif
+#endif
+
+#ifdef SERIAL_PORT_3
+  #if SERIAL_PORT_3 == -1
+    #define MYSERIAL3 USBSerial
+  #elif WITHIN(SERIAL_PORT_3, 0, 3)
+    #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
+  #else
+    #error "SERIAL_PORT_3 must be from 0 to 3. You can also use -1 if the board supports Native USB."
+  #endif
+#endif
+
+#ifdef MMU2_SERIAL_PORT
+  #if MMU2_SERIAL_PORT == -1
+    #define MMU2_SERIAL USBSerial
+  #elif WITHIN(MMU2_SERIAL_PORT, 0, 3)
+    #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
+  #else
+    #error "MMU2_SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
+  #endif
+#endif
+
+#ifdef LCD_SERIAL_PORT
+  #if LCD_SERIAL_PORT == -1
+    #define LCD_SERIAL USBSerial
+  #elif WITHIN(LCD_SERIAL_PORT, 0, 3)
+    #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
+  #else
+    #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() LCD_SERIAL.available()
+  #endif
+#endif
+
+//
+// Interrupts
+//
+
+#define CRITICAL_SECTION_START()  const bool irqon = !MCUCore::primask(); MCUCore::nvic_interrupts_disable()
+#define CRITICAL_SECTION_END()    if (irqon) MCUCore::nvic_interrupts_enable()
+#define cli() noInterrupts()
+#define sei() interrupts()
+//
+// ADC
+//
+
+#define ADC_MEDIAN_FILTER_SIZE (23) // Higher values increase step delay (phase shift),
+                                    // (ADC_MEDIAN_FILTER_SIZE + 1) / 2 sample step delay (12 samples @ 500Hz: 24ms phase shift)
+                                    // Memory usage per ADC channel (bytes): (6 * ADC_MEDIAN_FILTER_SIZE) + 16
+                                    // 8 * ((6 * 23) + 16 ) = 1232 Bytes for 8 channels
+
+#define ADC_LOWPASS_K_VALUE    (2)  // Higher values increase rise time
+                                    // Rise time sample delays for 100% signal convergence on full range step
+                                    // (1 : 13, 2 : 32, 3 : 67, 4 : 139, 5 : 281, 6 : 565, 7 : 1135, 8 : 2273)
+                                    // K = 6, 565 samples, 500Hz sample rate, 1.13s convergence on full range step
+                                    // Memory usage per ADC channel (bytes): 4 (32 Bytes for 8 channels)
+
+#define HAL_ADC_VREF            3.3 // ADC voltage reference
+
+#define HAL_ADC_RESOLUTION     12   // 15 bit maximum, raw temperature is stored as int16_t
+#define HAL_ADC_FILTERED            // Disable oversampling done in Marlin as ADC values already filtered in HAL
+
+//
+// Pin Mapping for M42, M43, M226
+//
+
+// Test whether the pin is valid
+constexpr bool VALID_PIN(const pin_t pin) {
+  return MCUI::pin_is_valid(pin);
+}
+
+// Get the analog index for a digital pin
+constexpr int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t pin) {
+  return (MCUI::pin_is_valid(pin) && MCUI::pin_has_adc(pin)) ? pin : -1;
+}
+
+//
+// Misc. Functions
+//
+#ifndef analogInputToDigitalPin
+  #define analogInputToDigitalPin(p) (p)
+#endif
+
+
+// Return the index of a pin number
+constexpr int16_t GET_PIN_MAP_INDEX(const pin_t pin) {
+  return MCUI::pin_index(pin);
+}
+
+// Get the pin number at the given index
+constexpr pin_t GET_PIN_MAP_PIN(const int16_t index) {
+  return MCUI::pin_index(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,
+
+// ------------------------
+// Defines
+// ------------------------
+
+void flashFirmware(const int16_t);
+
+#define HAL_CAN_SET_PWM_FREQ   // This HAL supports PWM Frequency adjustment
+
+// Default graphical display delays
+#define CPU_ST7920_DELAY_1 600
+#define CPU_ST7920_DELAY_2 750
+#define CPU_ST7920_DELAY_3 750
+
+// ------------------------
+// Free Memory Accessor
+// ------------------------
+
+#pragma GCC diagnostic push
+#if GCC_VERSION <= 50000
+  #pragma GCC diagnostic ignored "-Wunused-function"
+#endif
+
+int freeMemory();
+
+#pragma GCC diagnostic pop
+
+// ------------------------
+// MarlinHAL Class
+// ------------------------
+
+class MarlinHAL {
+public:
+
+  // Earliest possible init, before setup()
+  MarlinHAL() {}
+
+  static void init();          // Called early in setup()
+  static void init_board() {}  // Called less early in setup()
+  static void reboot();        // Restart the firmware from 0x0
+
+  // Interrupts
+  static bool isr_state() { return MCUCore::primask(); }
+  static void isr_on()  { MCUCore::nvic_interrupts_enable(); }
+  static void isr_off() {  MCUCore::nvic_interrupts_disable(); }
+
+  static void delay_ms(const int ms) { DELAY_US(ms * 1000); }
+
+  // Watchdog
+  static void watchdog_init() IF_DISABLED(USE_WATCHDOG, {});
+  static void watchdog_refresh() IF_DISABLED(USE_WATCHDOG, {});
+  static bool watchdog_timed_out() IF_DISABLED(USE_WATCHDOG, { return false; });
+  static void watchdog_clear_timeout_flag() IF_DISABLED(USE_WATCHDOG, {});
+
+  // Tasks, called from idle()
+  static void idletask();
+
+  // Reset
+  static uint8_t get_reset_source();
+  static void clear_reset_source();
+
+  // Free SRAM
+  static int freeMemory() { return ::freeMemory(); }
+
+  //
+  // ADC Methods
+  //
+
+  using FilteredADC = MCUI::ADC<ADC_LOWPASS_K_VALUE, ADC_MEDIAN_FILTER_SIZE>;
+
+  // Called by Temperature::init once at startup
+  static void adc_init() {
+    // Turn on and initialise ADC in burst mode
+    MCUI::adc_hardware.init();
+    MCUI::adc_hardware.burst_start();
+  }
+
+  // Called by Temperature::init for each sensor at startup
+  static void adc_enable(const pin_t pin) {
+    FilteredADC::enable_channel(pin);
+  }
+
+  // Begin ADC sampling on the given pin. Called from Temperature::isr!
+  static uint32_t adc_result;
+  static void adc_start(const pin_t pin) {
+    adc_result = FilteredADC::read(pin) >> (16 - HAL_ADC_RESOLUTION); // returns 16bit value, reduce to required bits
+  }
+
+  // Is the ADC ready for reading?
+  static bool adc_ready() { return true; }
+
+  // The current value of the ADC register
+  static uint16_t adc_value() { return uint16_t(adc_result); }
+
+  /**
+   * Set the PWM duty cycle for the pin to the given value.
+   * Optionally invert the duty cycle [default = false]
+   * Optionally change the scale of the provided value to enable finer PWM duty control [default = 255]
+   */
+  static void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size=255, const bool invert=false);
+
+  /**
+   * Set the frequency of the timer corresponding to the provided pin
+   * All Hardware PWM pins will run at the same frequency and
+   * All Software PWM pins will run at the same frequency
+   */
+  static void set_pwm_frequency(const pin_t pin, const uint16_t f_desired);
+};

Marlin/src/HAL/LPC4078/HAL_SPI.cpp

@@ -0,0 +1,354 @@
+// /**
+//  * Marlin 3D Printer Firmware
+//  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+//  *
+//  * Based on Sprinter and grbl.
+//  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+//  *
+//  * This program is free software: you can redistribute it and/or modify
+//  * it under the terms of the GNU General Public License as published by
+//  * the Free Software Foundation, either version 3 of the License, or
+//  * (at your option) any later version.
+//  *
+//  * This program is distributed in the hope that it will be useful,
+//  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  * GNU General Public License for more details.
+//  *
+//  * You should have received a copy of the GNU General Public License
+//  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+//  *
+//  */
+
+// /**
+//  * Software SPI functions originally from Arduino Sd2Card Library
+//  * Copyright (c) 2009 by William Greiman
+//  */
+
+// /**
+//  * For TARGET_LPC4078
+//  */
+
+// /**
+//  * Hardware SPI and Software SPI implementations are included in this file.
+//  * The hardware SPI runs faster and has higher throughput but is not compatible
+//  * with some LCD interfaces/adapters.
+//  *
+//  * Control of the slave select pin(s) is handled by the calling routines.
+//  *
+//  * Some of the LCD interfaces/adapters result in the LCD SPI and the SD card
+//  * SPI sharing pins. The SCK, MOSI & MISO pins can NOT be set/cleared with
+//  * WRITE nor digitalWrite when the hardware SPI module within the LPC17xx is
+//  * active. If any of these pins are shared then the software SPI must be used.
+//  *
+//  * A more sophisticated hardware SPI can be found at the following link.
+//  * This implementation has not been fully debugged.
+//  * https://github.com/MarlinFirmware/Marlin/tree/071c7a78f27078fd4aee9a3ef365fcf5e143531e
+//  */
+
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include <SPI.h>
+
+// Hardware SPI and SPIClass
+
+#include "../shared/HAL_SPI.h"
+
+#define LPC_SOFTWARE_SPI
+
+// ------------------------
+// Public functions
+// ------------------------
+#if ENABLED(LPC_SOFTWARE_SPI)
+  #include "SoftwareSPI.h"
+
+  // Software SPI
+  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);
+  }
+
+  void spiBegin() {
+    swSpiBegin(SD_SCK_PIN, SD_MISO_PIN, SD_MOSI_PIN);
+  }
+
+  void spiInit(uint8_t spiRate) {
+    SPI_speed = swSpiInit(spiRate, SD_SCK_PIN, SD_MOSI_PIN);
+  }
+
+  uint8_t spiRec() { return spiTransfer(0xFF); }
+
+  void spiRead(uint8_t*buf, uint16_t nbyte) {
+    for (int i = 0; i < nbyte; i++)
+      buf[i] = spiTransfer(0xFF);
+  }
+
+  void spiSend(uint8_t b) { (void)spiTransfer(b); }
+
+  void spiSend(const uint8_t *buf, size_t nbyte) {
+    for (uint16_t i = 0; i < nbyte; i++)
+      (void)spiTransfer(buf[i]);
+  }
+
+  void spiSendBlock(uint8_t token, const uint8_t *buf) {
+    (void)spiTransfer(token);
+    for (uint16_t i = 0; i < 512; i++)
+      (void)spiTransfer(buf[i]);
+  }
+
+#else
+
+  #ifdef SD_SPI_SPEED
+    #define INIT_SPI_SPEED SD_SPI_SPEED
+  #else
+    #define INIT_SPI_SPEED SPI_FULL_SPEED
+  #endif
+
+  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
+      SPI.setModule(1);
+    #elif SD_MISO_PIN == BOARD_SPI2_MISO_PIN
+      SPI.setModule(2);
+    #endif
+    SPI.setDataSize(DATA_SIZE_8BIT);
+    SPI.setDataMode(SPI_MODE0);
+
+    SPI.setClock(SPISettings::spiRate2Clock(spiRate));
+    SPI.begin();
+  }
+
+  static uint8_t doio(uint8_t b) {
+    return SPI.transfer(b & 0x00FF) & 0x00FF;
+  }
+
+  void spiSend(uint8_t b) { doio(b); }
+
+  void spiSend(const uint8_t *buf, size_t nbyte) {
+    for (uint16_t i = 0; i < nbyte; i++) doio(buf[i]);
+  }
+
+  void spiSend(uint32_t chan, byte b) {}
+
+  void spiSend(uint32_t chan, const uint8_t *buf, size_t nbyte) {}
+
+  // Read single byte from SPI
+  uint8_t spiRec() { return doio(0xFF); }
+
+  uint8_t spiRec(uint32_t chan) { return 0; }
+
+  // Read from SPI into buffer
+  void spiRead(uint8_t *buf, uint16_t nbyte) {
+    for (uint16_t i = 0; i < nbyte; i++) buf[i] = doio(0xFF);
+  }
+
+  uint8_t spiTransfer(uint8_t b) { return doio(b); }
+
+  // Write from buffer to SPI
+  void spiSendBlock(uint8_t token, const uint8_t *buf) {
+   (void)spiTransfer(token);
+    for (uint16_t i = 0; i < 512; i++)
+      (void)spiTransfer(buf[i]);
+  }
+
+  // Begin SPI transaction, set clock, bit order, data mode
+  void spiBeginTransaction(uint32_t spiClock, uint8_t bitOrder, uint8_t dataMode) {
+    // TODO: Implement this method
+  }
+
+#endif // LPC_SOFTWARE_SPI
+
+// /**
+//  * @brief Wait until TXE (tx empty) flag is set and BSY (busy) flag unset.
+//  */
+static inline void waitSpiTxEnd(void *spi_d) {
+  #warning unimplemented
+  // while (SSP_GetStatus(spi_d, SSP_STAT_TXFIFO_EMPTY) == RESET) { /* nada */ } // wait until TXE=1
+  // while (SSP_GetStatus(spi_d, SSP_STAT_BUSY) == SET) { /* nada */ }     // wait until BSY=0
+}
+
+// // Retain the pin init state of the SPI, to avoid init more than once,
+// // even if more instances of SPIClass exist
+static bool spiInitialised[BOARD_NR_SPI] = { false };
+
+SPIClass::SPIClass(uint8_t device) {
+//   // Init things specific to each SPI device
+//   // clock divider setup is a bit of hack, and needs to be improved at a later date.
+
+  #if BOARD_NR_SPI >= 1
+    _settings[0].device_id = 0;
+    _settings[0].m_config.pin_miso = BOARD_SPI1_MISO_PIN;
+    _settings[0].m_config.pin_mosi = BOARD_SPI1_MOSI_PIN;
+    _settings[0].m_config.pin_sck  = BOARD_SPI1_SCK_PIN;
+    _settings[0].m_config.pin_ssel = BOARD_SPI1_NSS_PIN;
+//     _settings[0].dataMode = SPI_MODE0;
+//     _settings[0].dataSize = DATA_SIZE_8BIT;
+//     _settings[0].clock = SPI_CLOCK_MAX;
+//     //_settings[0].clockDivider = determine_baud_rate(_settings[0].spi_d, _settings[0].clock);
+  #endif
+
+  #if BOARD_NR_SPI >= 2
+    _settings[1].device_id = 2;
+    _settings[1].m_config.pin_miso = BOARD_SPI2_MISO_PIN;
+    _settings[1].m_config.pin_mosi = BOARD_SPI2_MOSI_PIN;
+    _settings[1].m_config.pin_sck  = BOARD_SPI2_SCK_PIN;
+    _settings[1].m_config.pin_ssel = BOARD_SPI2_NSS_PIN;
+//     _settings[1].dataMode = SPI_MODE0;
+//     _settings[1].dataSize = DATA_SIZE_8BIT;
+//     _settings[1].clock = SPI_CLOCK_MAX;
+//     //_settings[1].clockDivider = determine_baud_rate(_settings[1].spi_d, _settings[1].clock);
+  #endif
+
+  setModule(device);
+
+//   // Init the GPDMA controller
+//   // TODO: call once in the constructor? or each time?
+//   GPDMA_Init();
+}
+
+SPIClass::SPIClass(pin_t mosi, pin_t miso, pin_t sclk, pin_t ssel) {
+  #if BOARD_NR_SPI >= 1
+    if (mosi == BOARD_SPI1_MOSI_PIN) SPIClass(1);
+  #endif
+  #if BOARD_NR_SPI >= 2
+    if (mosi == BOARD_SPI2_MOSI_PIN) SPIClass(2);
+  #endif
+}
+
+void SPIClass::begin() {
+//   // Init the SPI pins in the first begin call
+  if ((_currentSetting->device_id == 0 && spiInitialised[0] == false) ||
+      (_currentSetting->device_id == 1 && spiInitialised[1] == false) ||
+      (_currentSetting->device_id == 2 && spiInitialised[2] == false)) {
+    MCUI::SSP::init(_currentSetting->device_id, _currentSetting->m_config);
+    spiInitialised[_currentSetting->device_id] = true;
+  }
+  updateSettings();
+}
+
+void SPIClass::beginTransaction(const SPISettings &cfg) {
+  setBitOrder(cfg.bitOrder);
+  setDataMode(cfg.dataMode);
+  setDataSize(cfg.dataSize);
+  //setClockDivider(determine_baud_rate(_currentSetting->spi_d, settings.clock));
+  begin();
+}
+
+uint8_t SPIClass::transfer(const uint16_t b) {
+  uint16_t rx_word = 0;
+  // clear rx fifo
+  while(MCUI::SSP::read(_currentSetting->device_id, &rx_word) == 1);
+  MCUI::SSP::write(_currentSetting->device_id, b);
+  while(MCUI::SSP::read(_currentSetting->device_id, &rx_word) != 1);
+  return rx_word;
+}
+
+uint16_t SPIClass::transfer16(const uint16_t data) {
+   return (transfer((data >> 8) & 0xFF) << 8) | (transfer(data & 0xFF) & 0xFF);
+}
+
+void SPIClass::end() {
+//   // Neither is needed for Marlin
+//   //SSP_Cmd(_currentSetting->spi_d, DISABLE);
+//   //SSP_DeInit(_currentSetting->spi_d);
+}
+
+void SPIClass::send(uint8_t data) {
+  MCUI::SSP::write(_currentSetting->device_id, data);
+}
+
+void SPIClass::dmaSend(void *buf, uint16_t length, bool minc) {
+//   //TODO: LPC dma can only write 0xFFF bytes at once.
+//   GPDMA_Channel_CFG_Type GPDMACfg;
+
+//   /* Configure GPDMA channel 0 -------------------------------------------------------------*/
+//   /* DMA Channel 0 */
+//   GPDMACfg.ChannelNum = 0;
+//   // Source memory
+//   GPDMACfg.SrcMemAddr = (uint32_t)buf;
+//   // Destination memory - Not used
+//   GPDMACfg.DstMemAddr = 0;
+//   // Transfer size
+//   GPDMACfg.TransferSize = length;
+//   // Transfer width
+//   GPDMACfg.TransferWidth = (_currentSetting->dataSize == DATA_SIZE_16BIT) ? GPDMA_WIDTH_HALFWORD : GPDMA_WIDTH_BYTE;
+//   // Transfer type
+//   GPDMACfg.TransferType = GPDMA_TRANSFERTYPE_M2P;
+//   // Source connection - unused
+//   GPDMACfg.SrcConn = 0;
+//   // Destination connection
+//   GPDMACfg.DstConn = (_currentSetting->spi_d == LPC_SSP0) ? GPDMA_CONN_SSP0_Tx : GPDMA_CONN_SSP1_Tx;
+
+//   GPDMACfg.DMALLI = 0;
+
+//   // Enable dma on SPI
+//   SSP_DMACmd(_currentSetting->spi_d, SSP_DMA_TX, ENABLE);
+
+//   // Only increase memory if minc is true
+//   GPDMACfg.MemoryIncrease = (minc ? GPDMA_DMACCxControl_SI : 0);
+
+//   // Setup channel with given parameter
+//   GPDMA_Setup(&GPDMACfg);
+
+//   // Enable DMA
+//   GPDMA_ChannelCmd(0, ENABLE);
+
+//   // Wait for data transfer
+//   while (!GPDMA_IntGetStatus(GPDMA_STAT_RAWINTTC, 0) && !GPDMA_IntGetStatus(GPDMA_STAT_RAWINTERR, 0)) { }
+
+//   // Clear err and int
+//   GPDMA_ClearIntPending (GPDMA_STATCLR_INTTC, 0);
+//   GPDMA_ClearIntPending (GPDMA_STATCLR_INTERR, 0);
+
+//   // Disable DMA
+//   GPDMA_ChannelCmd(0, DISABLE);
+
+//   waitSpiTxEnd(_currentSetting->spi_d);
+
+//   SSP_DMACmd(_currentSetting->spi_d, SSP_DMA_TX, DISABLE);
+}
+
+uint16_t SPIClass::read() {
+  uint16_t rx_word = 0;
+  MCUI::SSP::read(_currentSetting->device_id, &rx_word);
+  return rx_word;
+}
+
+void SPIClass::read(uint8_t *buf, uint32_t len) {
+  uint16_t rx_word = 0;
+  // clear rx fifo
+  while(MCUI::SSP::read(_currentSetting->device_id, &rx_word) == 1);
+  for (uint16_t i = 0; i < len; i++) {
+    MCUI::SSP::write(_currentSetting->device_id, 0xFF);
+    while(MCUI::SSP::read(_currentSetting->device_id, &rx_word) != 1);
+    buf[i] = rx_word;
+  }
+}
+
+void SPIClass::setClock(uint32_t clock) { _currentSetting->clock = clock; }
+
+void SPIClass::setModule(uint8_t device) { _currentSetting = &_settings[device - 1]; } // SPI channels are called 1, 2, and 3 but the array is zero-indexed
+
+void SPIClass::setBitOrder(uint8_t bitOrder) { _currentSetting->bitOrder = bitOrder; }
+
+void SPIClass::setDataMode(uint8_t dataMode) { _currentSetting->dataMode = dataMode; }
+
+void SPIClass::setDataSize(uint32_t dataSize) { _currentSetting->dataSize = dataSize; }
+
+// /**
+//  * Set up/tear down
+//  */
+void SPIClass::updateSettings() { }
+
+SPIClass SPI(1);
+
+#if SD_MISO_PIN == BOARD_SPI1_MISO_PIN
+  SPIClass SPI(1);
+#elif SD_MISO_PIN == BOARD_SPI2_MISO_PIN
+  SPIClass SPI(2);
+#endif
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/MarlinSPI.h

@@ -0,0 +1,45 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <SPI.h>
+
+/**
+ * Marlin currently requires 3 SPI classes:
+ *
+ * SPIClass:
+ *  This class is normally provided by frameworks and has a semi-default interface.
+ *  This is needed because some libraries reference it globally.
+ *
+ * SPISettings:
+ *  Container for SPI configs for SPIClass. As above, libraries may reference it globally.
+ *
+ * These two classes are often provided by frameworks so we cannot extend them to add
+ * useful methods for Marlin.
+ *
+ * MarlinSPI:
+ *  Provides the default SPIClass interface plus some Marlin goodies such as a simplified
+ *  interface for SPI DMA transfer.
+ *
+ */
+
+using MarlinSPI = SPIClass;

Marlin/src/HAL/LPC4078/MarlinSerial.cpp

@@ -0,0 +1,78 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "MarlinSerial.h"
+
+#include "../../inc/MarlinConfig.h"
+
+MarlinCDCSerial MCDCSerial0;
+
+#define MarlinSerial(ID) \
+  MarlinSerial _MSerial##ID(ID); \
+  MSerialT MSerial##ID(true, _MSerial##ID)
+
+#if USING_HW_SERIAL0
+  MarlinSerial(0);
+#endif
+#if USING_HW_SERIAL1
+  MarlinSerial(1);
+#endif
+#if USING_HW_SERIAL2
+  MarlinSerial(2);
+#endif
+#if USING_HW_SERIAL3
+  MarlinSerial(3);
+#endif
+
+#if ENABLED(EMERGENCY_PARSER)
+
+  bool MarlinSerial::recv_callback(const char c) {
+    // Need to figure out which serial port we are and react in consequence (Marlin does not have CONTAINER_OF macro)
+    if (false) {}
+    #if USING_HW_SERIAL0
+      else if (this == &_MSerial0) emergency_parser.update(MSerial0.emergency_state, c);
+    #endif
+    #if USING_HW_SERIAL1
+      else if (this == &_MSerial1) emergency_parser.update(MSerial1.emergency_state, c);
+    #endif
+    #if USING_HW_SERIAL2
+      else if (this == &_MSerial2) emergency_parser.update(MSerial2.emergency_state, c);
+    #endif
+    #if USING_HW_SERIAL3
+      else if (this == &_MSerial3) emergency_parser.update(MSerial3.emergency_state, c);
+    #endif
+    return true;
+  }
+
+  #include "../../feature/e_parser.h"
+
+  EmergencyParser::State emergency_state;
+
+  bool CDC_RecvCallback(const char c) {
+    emergency_parser.update(emergency_state, c);
+    return true;
+  }
+
+#endif
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/MarlinSerial.h

@@ -0,0 +1,108 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <mcu_interface.h>
+#include <interface/uart.h>
+#include <driver/usb_cdc.h>
+
+#include <UART.h>
+
+#include "../../inc/MarlinConfigPre.h"
+#if ENABLED(EMERGENCY_PARSER)
+  #include "../../feature/e_parser.h"
+#endif
+#include "../../core/serial_hook.h"
+
+#ifndef SERIAL_PORT
+  #define SERIAL_PORT 0
+#endif
+#ifndef RX_BUFFER_SIZE
+  #define RX_BUFFER_SIZE 128
+#endif
+#ifndef TX_BUFFER_SIZE
+  #define TX_BUFFER_SIZE 32
+#endif
+
+class MarlinCDCSerial : public HardwareSerial {
+  public:
+    MarlinCDCSerial() {}
+    void begin(unsigned long baudrate) override {}
+    void begin(unsigned long baudrate, uint16_t config) override { }
+    void end() override { }
+    int available() override {
+      return MCUI::CDCSerial0::available();
+    }
+    int peek() override { char c = 0; return MCUI::CDCSerial0::peek((uint8_t*)&c)? c : -1; }
+    int read() override { char c = 0; return MCUI::CDCSerial0::read((uint8_t*)&c, 1)? c : -1; }
+    void flush() override {};
+    size_t write(uint8_t c) override { return write(&c, 1); }
+    size_t write(const uint8_t *buffer, size_t size) override { return MCUI::CDCSerial0::connected() ? MCUI::CDCSerial0::write(buffer, size) : 0; }
+    using Print::write;
+    operator bool() override { return true; }
+};
+extern MarlinCDCSerial MCDCSerial0;
+
+class MarlinSerial : public HardwareSerial {
+  public:
+    MarlinSerial(const uint32_t uart_id) : uart_device(uart_id) {}
+    void begin(unsigned long baudrate) override {
+      uart_device.configure_pins(P0_02, P0_03);
+      uart_device.init({ .baud = baudrate });
+      #if ENABLED(EMERGENCY_PARSER)
+      uart_device.set_rx_callback([this](char rx_value){ return this->recv_callback(rx_value); } );
+      #endif
+    }
+    void begin(unsigned long baudrate, uint16_t config) override {
+      begin(baudrate);
+    }
+    void end() override { }
+    int available() override {
+      return uart_device.rx_available();
+    }
+    int peek() override { char c = 0; return uart_device.peek(&c)? c : -1; }
+    int read() override { char c = 0; return uart_device.read(&c)? c : -1; }
+    void flush() override {};
+    size_t write(uint8_t c) override { return write(&c, 1); }
+    size_t write(const uint8_t *buffer, size_t size) override { return uart_device.write((const char *)buffer, size); }
+    using Print::write; // pull in write(str) and write(buf, size) from Print
+    operator bool() override { return true; }
+
+    bool recv_callback(char value);
+  private:
+    MCUI::BufferedUARTC uart_device;
+};
+
+// On LPC176x framework, HardwareSerial does not implement the same interface as Arduino's Serial, so overloads
+// of 'available' and 'read' method are not used in this multiple inheritance scenario.
+// Instead, use a ForwardSerial here that adapts the interface.
+typedef ForwardSerial1Class<MarlinSerial> MSerialT;
+extern MSerialT MSerial0;
+extern MSerialT MSerial1;
+extern MSerialT MSerial2;
+extern MSerialT MSerial3;
+
+// Consequently, we can't use a RuntimeSerial either. The workaround would be to use
+// a RuntimeSerial<ForwardSerial<MarlinSerial>> type here. Ignore for now until it's actually required.
+#if ENABLED(SERIAL_RUNTIME_HOOK)
+  #error "SERIAL_RUNTIME_HOOK is not yet supported for LPC176x."
+#endif

Marlin/src/HAL/LPC4078/MinSerial.cpp

@@ -0,0 +1,51 @@
+/**
+ * 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/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include "HAL.h"
+
+#if ENABLED(POSTMORTEM_DEBUGGING)
+
+#include "../shared/MinSerial.h"
+#include <debug_frmwrk.h>
+
+static void TX(char c) { _DBC(c); }
+void install_min_serial() { HAL_min_serial_out = &TX; }
+
+#if DISABLED(DYNAMIC_VECTORTABLE)
+extern "C" {
+  __attribute__((naked)) void JumpHandler_ASM() {
+    __asm__ __volatile__ (
+      "b CommonHandler_ASM\n"
+    );
+  }
+  void __attribute__((naked, alias("JumpHandler_ASM"))) HardFault_Handler();
+  void __attribute__((naked, alias("JumpHandler_ASM"))) BusFault_Handler();
+  void __attribute__((naked, alias("JumpHandler_ASM"))) UsageFault_Handler();
+  void __attribute__((naked, alias("JumpHandler_ASM"))) MemManage_Handler();
+  void __attribute__((naked, alias("JumpHandler_ASM"))) NMI_Handler();
+}
+#endif
+
+#endif // POSTMORTEM_DEBUGGING
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/Servo.h

@@ -0,0 +1,69 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#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
+ */
+#pragma once
+
+/**
+ * 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 <Servo.h>
+
+class libServo: public Servo {
+  public:
+  void move(const int value) {
+    constexpr uint16_t servo_delay[] = SERVO_DELAY;
+    static_assert(COUNT(servo_delay) == NUM_SERVOS, "SERVO_DELAY must be an array NUM_SERVOS long.");
+
+    if (attach(servo_info[servoIndex].Pin.nbr) >= 0) {    // try to reattach
+      write(value);
+      safe_delay(servo_delay[servoIndex]); // delay to allow servo to reach position
+      TERN_(DEACTIVATE_SERVOS_AFTER_MOVE, detach());
+    }
+
+  }
+};
+
+class libServo;
+typedef libServo hal_servo_t;

Marlin/src/HAL/LPC4078/SoftwareSPI.cpp

@@ -0,0 +1,47 @@
+#ifdef TARGET_LPC4078
+
+#include <Arduino.h>
+#include "SoftwareSPI.h"
+
+#include <mcu_interface.h>
+
+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++) {
+    if (spi_speed == 0) {
+      MCUI::gpio_set(mosi_pin, !!(b & 0x80));
+      MCUI::gpio_set(sck_pin, HIGH);
+      b <<= 1;
+      if (miso_pin >= 0 && MCUI::gpio_get(miso_pin)) b |= 1;
+      MCUI::gpio_set(sck_pin, LOW);
+    }
+    else {
+      const uint8_t state = (b & 0x80) ? HIGH : LOW;
+      for (uint8_t j = 0; j < spi_speed; j++)
+        MCUI::gpio_set(mosi_pin, state);
+
+      for (uint8_t j = 0; j < spi_speed + (miso_pin >= 0 ? 0 : 1); j++)
+        MCUI::gpio_set(sck_pin, HIGH);
+
+      b <<= 1;
+      if (miso_pin >= 0 && MCUI::gpio_get(miso_pin)) b |= 1;
+
+      for (uint8_t j = 0; j < spi_speed; j++)
+        MCUI::gpio_set(sck_pin, LOW);
+    }
+  }
+  return b;
+}
+
+void swSpiBegin(const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin) {
+  pinMode(sck_pin, OUTPUT);
+  if (MCUI::pin_is_valid(miso_pin)) pinMode(miso_pin, INPUT);
+  pinMode(mosi_pin, OUTPUT);
+}
+
+uint8_t swSpiInit(const uint8_t spiRate, const pin_t sck_pin, const pin_t mosi_pin) {
+  MCUI::gpio_set(mosi_pin, HIGH);
+  MCUI::gpio_set(sck_pin, LOW);
+  return (SystemCoreClock == 120000000 ? 44 : 38) / std::pow(2, 6 - std::min(spiRate, (uint8_t)6));
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/SoftwareSPI.h

@@ -0,0 +1,5 @@
+#include <mcu_interface.h>
+
+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);
+void swSpiBegin(const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin);
+uint8_t swSpiInit(const uint8_t spiRate, const pin_t sck_pin, const pin_t mosi_pin);

Marlin/src/HAL/LPC4078/eeprom_internal.cpp

@@ -0,0 +1,116 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+/**
+ * Emulate EEPROM storage using Flash Memory
+ *
+ * Use a single 32K flash sector to store EEPROM data. To reduce the
+ * number of erase operations a simple "leveling" scheme is used that
+ * maintains a number of EEPROM "slots" within the larger flash sector.
+ * Each slot is used in turn and the entire sector is only erased when all
+ * slots have been used.
+ *
+ * A simple RAM image is used to hold the EEPROM data during I/O operations
+ * and this is flushed to the next available slot when an update is complete.
+ * If RAM usage becomes an issue we could store this image in one of the two
+ * 16Kb I/O buffers (intended to hold DMA USB and Ethernet data, but currently
+ * unused).
+ */
+#include "../../inc/MarlinConfig.h"
+
+#include "../shared/eeprom_api.h"
+
+//#include <cstdio>
+
+#ifndef MARLIN_EEPROM_SIZE
+  #define MARLIN_EEPROM_SIZE 4032 // 4KB
+#endif
+
+size_t PersistentStore::capacity() { return 4032; }
+
+constexpr uint32_t page_size = MCUI::EEPROM::page_size;
+uint32_t buffered_page = 0;
+uint8_t page_buffer[page_size];
+bool buffered_page_dirty = false;
+
+bool PersistentStore::access_start() {
+  MCUI::EEPROM::init();
+  MCUI::EEPROM::read_page(buffered_page, page_buffer, page_size);
+  return true;
+}
+
+bool PersistentStore::access_finish() {
+  if (buffered_page_dirty) {
+    MCUI::EEPROM::write_page(buffered_page, page_buffer, page_size);
+  }
+  return true;
+}
+
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
+  uint32_t address = pos;
+  //printf("Marlin::eeprom::write(pos = %d, size = %d)\n", pos, size);
+  uint32_t value_index = 0;
+  for (uint32_t addr = address; addr < address + size; ++addr) {
+    uint32_t page_address = addr & 0xFFFFFFC0;
+    if (page_address != buffered_page) {
+      //printf("Marlin::eeprom::write(@%ld):: page change new(%ld) != current(%d)\n",addr, page_address, buffered_page);
+      if (buffered_page_dirty == true) MCUI::EEPROM::write_page(buffered_page, page_buffer, page_size);
+      buffered_page = page_address;
+      buffered_page_dirty = false;
+      MCUI::EEPROM::read_page(buffered_page, page_buffer, page_size);
+    }
+    page_buffer[addr & ~0xFFFFFFC0] = value[value_index++];
+    buffered_page_dirty = true;
+  }
+
+  pos += size;
+  crc16(crc, value, size);
+
+  return false;  // return true for any error
+}
+
+bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
+  uint32_t address = pos;
+  //printf("Marlin::eeprom::read(pos = %d, size = %d, writing = %d)\n", pos, size, writing);
+  uint32_t value_index = 0;
+  for (uint32_t addr = address; addr < address + size; ++addr) {
+    uint32_t page_address = addr & 0xFFFFFFC0;
+    if (page_address != buffered_page) {
+      if (buffered_page_dirty) {
+        MCUI::EEPROM::write_page(buffered_page, page_buffer, page_size);
+        buffered_page_dirty = false;
+      }
+      buffered_page = page_address;
+      MCUI::EEPROM::read_page(buffered_page, page_buffer, page_size);
+    }
+    if (writing) value[value_index++] = page_buffer[addr & ~0xFFFFFFC0];
+    else crc16(crc, &page_buffer[addr & ~0xFFFFFFC0], 1);
+  }
+
+  if (writing) crc16(crc, value, size);
+  pos += size;
+
+  return false;  // return true for any error
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/endstop_interrupts.h

@@ -0,0 +1,191 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Endstop Interrupts
+ *
+ * Without endstop interrupts the endstop pins must be polled continually in
+ * the temperature-ISR via endstops.update(), most of the time finding no change.
+ * With this feature endstops.update() is called only when we know that at
+ * least one endstop has changed state, saving valuable CPU cycles.
+ *
+ * This feature only works when all used endstop pins can generate an 'external interrupt'.
+ *
+ * Test whether pins issue interrupts on your board by flashing 'pin_interrupt_test.ino'.
+ * (Located in Marlin/buildroot/share/pin_interrupt_test/pin_interrupt_test.ino)
+ */
+
+#include "../../module/endstops.h"
+
+// One ISR for all EXT-Interrupts
+void endstop_ISR() { endstops.update(); }
+
+void setup_endstop_interrupts() {
+  #define _ATTACH(P) attachInterrupt(digitalPinToInterrupt(P), endstop_ISR, CHANGE)
+  #define LPC1768_PIN_INTERRUPT_M(pin) ((pin >> 0x5 & 0x7) == 0 || (pin >> 0x5 & 0x7) == 2)
+
+  #if HAS_X_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(X_MAX_PIN)
+      #error "X_MAX_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(X_MAX_PIN);
+  #endif
+  #if HAS_X_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(X_MIN_PIN)
+      #error "X_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(X_MIN_PIN);
+  #endif
+  #if HAS_Y_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Y_MAX_PIN)
+      #error "Y_MAX_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Y_MAX_PIN);
+  #endif
+  #if HAS_Y_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Y_MIN_PIN)
+      #error "Y_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Y_MIN_PIN);
+  #endif
+  #if HAS_Z_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Z_MAX_PIN)
+      #error "Z_MAX_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z_MAX_PIN);
+  #endif
+  #if HAS_Z_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z_MIN_PIN)
+      #error "Z_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+     _ATTACH(Z_MIN_PIN);
+  #endif
+  #if HAS_Z2_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Z2_MAX_PIN)
+      #error "Z2_MAX_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z2_MAX_PIN);
+  #endif
+  #if HAS_Z2_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z2_MIN_PIN)
+      #error "Z2_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z2_MIN_PIN);
+  #endif
+  #if HAS_Z3_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Z3_MAX_PIN)
+      #error "Z3_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z3_MAX_PIN);
+  #endif
+  #if HAS_Z3_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z3_MIN_PIN)
+      #error "Z3_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z3_MIN_PIN);
+  #endif
+  #if HAS_Z4_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Z4_MAX_PIN)
+      #error "Z4_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z4_MAX_PIN);
+  #endif
+  #if HAS_Z4_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z4_MIN_PIN)
+      #error "Z4_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z4_MIN_PIN);
+  #endif
+  #if HAS_Z_MIN_PROBE_PIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z_MIN_PROBE_PIN)
+      #error "Z_MIN_PROBE_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #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
+  #if HAS_U_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(U_MAX_PIN)
+      #error "U_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(U_MAX_PIN);
+  #elif HAS_U_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(U_MIN_PIN)
+      #error "U_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(U_MIN_PIN);
+  #endif
+  #if HAS_V_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(V_MAX_PIN)
+      #error "V_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(V_MAX_PIN);
+  #elif HAS_V_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(V_MIN_PIN)
+      #error "V_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(V_MIN_PIN);
+  #endif
+  #if HAS_W_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(W_MAX_PIN)
+      #error "W_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(W_MAX_PIN);
+  #elif HAS_W_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(W_MIN_PIN)
+      #error "W_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(W_MIN_PIN);
+  #endif
+}

Marlin/src/HAL/LPC4078/fast_pwm.cpp

@@ -0,0 +1,37 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include <mcu_interface.h>
+
+void MarlinHAL::set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255*/, const bool invert/*=false*/) {
+  if (!MCUI::pin_is_valid(pin)) return;
+  if (MCUI::pwm_attach_pin(pin))
+    MCUI::pwm_write_ratio(pin, invert ? 1.0f - (float)v / v_size : (float)v / v_size);  // map 1-254 onto PWM range
+}
+
+void MarlinHAL::set_pwm_frequency(const pin_t pin, const uint16_t f_desired) {
+  MCUI::pwm_set_frequency(pin, f_desired);
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/fastio.h

@@ -0,0 +1,120 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Fast I/O Routines for LPC1768/9
+ * Use direct port manipulation to save scads of processor time.
+ * Contributed by Triffid_Hunter and modified by Kliment, thinkyhead, Bob-the-Kuhn, et.al.
+ */
+
+/**
+ * Description: Fast IO functions LPC1768
+ *
+ * For TARGET LPC1768
+ */
+
+#include "../shared/Marduino.h"
+#include <mcu_interface.h>
+
+#define PWM_PIN(P)            true // all pins are software PWM capable
+
+#define LPC_PIN(pin)          MCUI::gpio_pin(pin)
+#define LPC_GPIO(port)        MCUI::gpio_port(port)
+
+#define SET_DIR_INPUT(IO)     MCUI::gpio_set_input(IO)
+#define SET_DIR_OUTPUT(IO)    MCUI::gpio_set_output(IO)
+
+#define SET_MODE(IO, mode)    pinMode(IO, mode)
+
+#define WRITE_PIN_SET(IO)     MCUI::gpio_set(IO)
+#define WRITE_PIN_CLR(IO)     MCUI::gpio_clear(IO)
+
+#define READ_PIN(IO)          MCUI::gpio_get(IO)
+#define WRITE_PIN(IO,V)       MCUI::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 https://gcc.gnu.org/onlinedocs/gcc-4.8.5/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)           MCUI::gpio_toggle(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)
+
+/// check if pin is an input
+#define _IS_INPUT(IO)         (!MCUI::gpio_get_dir(IO))
+
+/// check if pin is an output
+#define _IS_OUTPUT(IO)        (MCUI::gpio_get_dir(IO))
+
+/// 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               SET_OUTPUT
+
+/// 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/LPC4078/inc/Conditionals_LCD.h

@@ -0,0 +1,22 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once

Marlin/src/HAL/LPC4078/inc/Conditionals_adv.h

@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#if DISABLED(NO_SD_HOST_DRIVE)
+  #define HAS_SD_HOST_DRIVE 1
+#endif

Marlin/src/HAL/LPC4078/inc/Conditionals_post.h

@@ -0,0 +1,34 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#if USE_FALLBACK_EEPROM
+  #define FLASH_EEPROM_EMULATION
+#elif ANY(I2C_EEPROM, SPI_EEPROM)
+  #define USE_SHARED_EEPROM 1
+#endif
+
+// LPC1768 boards seem to lose steps when saving to EEPROM during print (issue #20785)
+// TODO: Which other boards are incompatible?
+#if defined(MCU_LPC1768) && ENABLED(FLASH_EEPROM_EMULATION) && PRINTCOUNTER_SAVE_INTERVAL > 0
+  #define PRINTCOUNTER_SYNC 1
+#endif

Marlin/src/HAL/LPC4078/inc/Conditionals_type.h

@@ -0,0 +1,22 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2024 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/LPC4078/inc/SanityCheck.h

@@ -0,0 +1,276 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+// #if PIO_PLATFORM_VERSION < 1001
+//   #error "nxplpc-arduino-lpc176x package is out of date, Please update the PlatformIO platforms, frameworks and libraries. You may need to remove the platform and let it reinstall automatically."
+// #endif
+// #if PIO_FRAMEWORK_VERSION < 2006
+//   #error "framework-arduino-lpc176x package is out of date, Please update the PlatformIO platforms, frameworks and libraries."
+// #endif
+
+/**
+ * Detect an old pins file by checking for old ADC pins values.
+ */
+#define _OLD_TEMP_PIN(P) PIN_EXISTS(P) && _CAT(P,_PIN) <= 7 && !WITHIN(_CAT(P,_PIN), TERN(LPC1768_IS_SKRV1_3, 0, 2), 3)  // Include P0_00 and P0_01 for SKR V1.3 board
+#if _OLD_TEMP_PIN(TEMP_BED)
+  #error "TEMP_BED_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_0)
+  #error "TEMP_0_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_1)
+  #error "TEMP_1_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_2)
+  #error "TEMP_2_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_3)
+  #error "TEMP_3_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_4)
+  #error "TEMP_4_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_5)
+  #error "TEMP_5_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_6)
+  #error "TEMP_6_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_7)
+  #error "TEMP_7_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#endif
+#undef _OLD_TEMP_PIN
+
+/**
+ * Because PWM hardware channels all share the same frequency, along with the
+ * fallback software channels, FAST_PWM_FAN is incompatible with Servos.
+ */
+static_assert(!(NUM_SERVOS && ENABLED(FAST_PWM_FAN)), "BLTOUCH and Servos are incompatible with FAST_PWM_FAN on LPC176x boards.");
+
+#if SPINDLE_LASER_FREQUENCY
+  static_assert(!NUM_SERVOS, "BLTOUCH and Servos are incompatible with SPINDLE_LASER_FREQUENCY on LPC176x boards.");
+#endif
+
+/**
+ * Test LPC176x-specific configuration values for errors at compile-time.
+ */
+
+//#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 MB(RAMPS_14_RE_ARM_EFB, RAMPS_14_RE_ARM_EEB, RAMPS_14_RE_ARM_EFF, RAMPS_14_RE_ARM_EEF, RAMPS_14_RE_ARM_SF)
+  #if IS_RRD_FG_SC && HAS_DRIVER(TMC2130) && DISABLED(TMC_USE_SW_SPI)
+    #error "Re-ARM with REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER and TMC2130 requires TMC_USE_SW_SPI."
+  #endif
+#endif
+
+static_assert(DISABLED(BAUD_RATE_GCODE), "BAUD_RATE_GCODE is not yet supported on LPC176x.");
+
+/**
+ * Flag any serial port conflicts
+ *
+ *   Port  |  TX   |  RX   |
+ *    ---  |  ---  |  ---  |
+ * Serial  | P0_02 | P0_03 |
+ * Serial1 | P0_15 | P0_16 |
+ * Serial2 | P0_10 | P0_11 |
+ * Serial3 | P0_00 | P0_01 |
+ */
+#define ANY_TX(N,V...) DO(IS_TX##N,||,V)
+#define ANY_RX(N,V...) DO(IS_RX##N,||,V)
+
+#if USING_HW_SERIAL0
+  #define IS_TX0(P) (P == P0_02)
+  #define IS_RX0(P) (P == P0_03)
+  #if IS_TX0(TMC_SW_MISO) || IS_RX0(TMC_SW_MOSI)
+    #error "Serial port pins (0) conflict with Trinamic SPI pins!"
+  #elif HAS_PRUSA_MMU1 && (IS_TX0(E_MUX1_PIN) || IS_RX0(E_MUX0_PIN))
+    #error "Serial port pins (0) conflict with Multi-Material-Unit multiplexer pins!"
+  #elif (AXIS_HAS_SPI(X) && IS_TX0(X_CS_PIN)) || (AXIS_HAS_SPI(Y) && IS_RX0(Y_CS_PIN))
+    #error "Serial port pins (0) conflict with X/Y axis SPI pins!"
+  #endif
+  #undef IS_TX0
+  #undef IS_RX0
+#endif
+
+#if USING_HW_SERIAL1
+  #define IS_TX1(P) (P == P0_15)
+  #define IS_RX1(P) (P == P0_16)
+  #define _IS_TX1_1 IS_TX1
+  #define _IS_RX1_1 IS_RX1
+  #if IS_TX1(TMC_SW_SCK)
+    #error "Serial port pins (1) conflict with other pins!"
+  #elif HAS_ROTARY_ENCODER
+    #if IS_TX1(BTN_EN2) || IS_RX1(BTN_EN1)
+      #error "Serial port pins (1) conflict with Encoder Buttons!"
+    #elif ANY_TX(1, SD_SCK_PIN, LCD_PINS_D4, DOGLCD_SCK, LCD_RESET_PIN, LCD_PINS_RS, SHIFT_CLK_PIN) \
+       || ANY_RX(1, LCD_SDSS, LCD_PINS_RS, SD_MISO_PIN, DOGLCD_A0, SD_SS_PIN, LCD_SDSS, DOGLCD_CS, LCD_RESET_PIN, LCD_BACKLIGHT_PIN)
+      #error "Serial port pins (1) conflict with LCD pins!"
+    #endif
+  #endif
+  #undef IS_TX1
+  #undef IS_RX1
+  #undef _IS_TX1_1
+  #undef _IS_RX1_1
+#endif
+
+#if USING_HW_SERIAL2
+  #define IS_TX2(P) (P == P0_10)
+  #define IS_RX2(P) (P == P0_11)
+  #define _IS_TX2_1 IS_TX2
+  #define _IS_RX2_1 IS_RX2
+  #if IS_TX2(X2_ENABLE_PIN) || ANY_RX(2, X2_DIR_PIN, X2_STEP_PIN) || (AXIS_HAS_SPI(X2) && IS_TX2(X2_CS_PIN))
+    #error "Serial port pins (2) conflict with X2 pins!"
+  #elif IS_TX2(Y2_ENABLE_PIN) || ANY_RX(2, Y2_DIR_PIN, Y2_STEP_PIN) || (AXIS_HAS_SPI(Y2) && IS_TX2(Y2_CS_PIN))
+    #error "Serial port pins (2) conflict with Y2 pins!"
+  #elif IS_TX2(Z2_ENABLE_PIN) || ANY_RX(2, Z2_DIR_PIN, Z2_STEP_PIN) || (AXIS_HAS_SPI(Z2) && IS_TX2(Z2_CS_PIN))
+    #error "Serial port pins (2) conflict with Z2 pins!"
+  #elif IS_TX2(Z3_ENABLE_PIN) || ANY_RX(2, Z3_DIR_PIN, Z3_STEP_PIN) || (AXIS_HAS_SPI(Z3) && IS_TX2(Z3_CS_PIN))
+    #error "Serial port pins (2) conflict with Z3 pins!"
+  #elif IS_TX2(Z4_ENABLE_PIN) || ANY_RX(2, Z4_DIR_PIN, Z4_STEP_PIN) || (AXIS_HAS_SPI(Z4) && IS_TX2(Z4_CS_PIN))
+    #error "Serial port pins (2) conflict with Z4 pins!"
+  #elif ANY_RX(2, X_DIR_PIN, Y_DIR_PIN)
+    #error "Serial port pins (2) conflict with other pins!"
+  #elif Y_HOME_TO_MIN && IS_TX2(Y_STOP_PIN)
+    #error "Serial port pins (2) conflict with Y endstop 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!"
+  #elif HAS_MULTI_EXTRUDER && (IS_TX2(E1_ENABLE_PIN) || (AXIS_HAS_SPI(E1) && IS_TX2(E1_CS_PIN)))
+    #error "Serial port pins (2) conflict with E1 stepper pins!"
+  #elif EXTRUDERS && ANY_RX(2, E0_DIR_PIN, E0_STEP_PIN)
+    #error "Serial port pins (2) conflict with E stepper pins!"
+  #endif
+  #undef IS_TX2
+  #undef IS_RX2
+  #undef _IS_TX2_1
+  #undef _IS_RX2_1
+#endif
+
+#if USING_HW_SERIAL3
+  #define PIN_IS_TX3(P) (PIN_EXISTS(P) && P##_PIN == P0_00)
+  #define PIN_IS_RX3(P) (P##_PIN == P0_01)
+  #if PIN_IS_TX3(X_MIN) || PIN_IS_RX3(X_MAX)
+    #error "Serial port pins (3) conflict with X endstop pins!"
+  #elif PIN_IS_TX3(Y_SERIAL_TX) || PIN_IS_TX3(Y_SERIAL_RX) || PIN_IS_RX3(X_SERIAL_TX) || PIN_IS_RX3(X_SERIAL_RX)
+    #error "Serial port pins (3) conflict with X/Y axis UART pins!"
+  #elif PIN_IS_TX3(X2_DIR) || PIN_IS_RX3(X2_STEP)
+    #error "Serial port pins (3) conflict with X2 pins!"
+  #elif PIN_IS_TX3(Y2_DIR) || PIN_IS_RX3(Y2_STEP)
+    #error "Serial port pins (3) conflict with Y2 pins!"
+  #elif PIN_IS_TX3(Z2_DIR) || PIN_IS_RX3(Z2_STEP)
+    #error "Serial port pins (3) conflict with Z2 pins!"
+  #elif PIN_IS_TX3(Z3_DIR) || PIN_IS_RX3(Z3_STEP)
+    #error "Serial port pins (3) conflict with Z3 pins!"
+  #elif PIN_IS_TX3(Z4_DIR) || PIN_IS_RX3(Z4_STEP)
+    #error "Serial port pins (3) conflict with Z4 pins!"
+  #elif HAS_MULTI_EXTRUDER && (PIN_IS_TX3(E1_DIR) || PIN_IS_RX3(E1_STEP))
+    #error "Serial port pins (3) conflict with E1 pins!"
+  #endif
+  #undef PIN_IS_TX3
+  #undef PIN_IS_RX3
+#endif
+
+#undef ANY_TX
+#undef ANY_RX
+
+//
+// Flag any i2c pin conflicts
+//
+#if ANY(HAS_MOTOR_CURRENT_I2C, HAS_MOTOR_CURRENT_DAC, EXPERIMENTAL_I2CBUS, I2C_POSITION_ENCODERS, PCA9632, I2C_EEPROM)
+  #define USEDI2CDEV_M 1  // <Arduino>/Wire.cpp
+
+  #if USEDI2CDEV_M == 0         // P0_27 [D57] (AUX-1) .......... P0_28 [D58] (AUX-1)
+    #define PIN_IS_SDA0(P) (P##_PIN == P0_27)
+    #define IS_SCL0(P)     (P == P0_28)
+    #if ENABLED(SDSUPPORT) && PIN_IS_SDA0(SD_DETECT)
+      #error "SDA0 overlaps with SD_DETECT_PIN!"
+    #elif PIN_IS_SDA0(E0_AUTO_FAN)
+      #error "SDA0 overlaps with E0_AUTO_FAN_PIN!"
+    #elif PIN_IS_SDA0(BEEPER)
+      #error "SDA0 overlaps with BEEPER_PIN!"
+    #elif IS_SCL0(BTN_ENC)
+      #error "SCL0 overlaps with Encoder Button!"
+    #elif IS_SCL0(SD_SS_PIN)
+      #error "SCL0 overlaps with SD_SS_PIN!"
+    #elif IS_SCL0(LCD_SDSS)
+      #error "SCL0 overlaps with LCD_SDSS!"
+    #endif
+    #undef PIN_IS_SDA0
+    #undef IS_SCL0
+  #elif USEDI2CDEV_M == 1       // P0_00 [D20] (SCA) ............ P0_01 [D21] (SCL)
+    #define PIN_IS_SDA1(P) (PIN_EXISTS(P) && P##_PIN == P0_00)
+    #define PIN_IS_SCL1(P) (P##_PIN == P0_01)
+    #if PIN_IS_SDA1(X_MIN) || PIN_IS_SCL1(X_MAX)
+      #error "One or more i2c (1) pins overlaps with X endstop pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(X2_DIR) || PIN_IS_SCL1(X2_STEP)
+      #error "One or more i2c (1) pins overlaps with X2 pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(Y2_DIR) || PIN_IS_SCL1(Y2_STEP)
+      #error "One or more i2c (1) pins overlaps with Y2 pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(Z2_DIR) || PIN_IS_SCL1(Z2_STEP)
+      #error "One or more i2c (1) pins overlaps with Z2 pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(Z3_DIR) || PIN_IS_SCL1(Z3_STEP)
+      #error "One or more i2c (1) pins overlaps with Z3 pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(Z4_DIR) || PIN_IS_SCL1(Z4_STEP)
+      #error "One or more i2c (1) pins overlaps with Z4 pins! Disable i2c peripherals."
+    #elif HAS_MULTI_EXTRUDER && (PIN_IS_SDA1(E1_DIR) || PIN_IS_SCL1(E1_STEP))
+      #error "One or more i2c (1) pins overlaps with E1 pins! Disable i2c peripherals."
+    #endif
+    #undef PIN_IS_SDA1
+    #undef PIN_IS_SCL1
+  #elif USEDI2CDEV_M == 2     // P0_10 [D38] (X_ENABLE_PIN) ... P0_11 [D55] (X_DIR_PIN)
+    #define PIN_IS_SDA2(P) (P##_PIN == P0_10)
+    #define PIN_IS_SCL2(P) (P##_PIN == P0_11)
+    #if PIN_IS_SDA2(Y_STOP)
+      #error "i2c SDA2 overlaps with Y endstop pin!"
+    #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!"
+    #elif AXIS_HAS_SPI(X) && PIN_IS_SDA2(X_CS)
+      #error "i2c SDA2 overlaps with X CS pin!"
+    #elif PIN_IS_SDA2(X2_ENABLE)
+      #error "i2c SDA2 overlaps with X2 enable pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(Y2_ENABLE)
+      #error "i2c SDA2 overlaps with Y2 enable pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(Z2_ENABLE)
+      #error "i2c SDA2 overlaps with Z2 enable pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(Z3_ENABLE)
+      #error "i2c SDA2 overlaps with Z3 enable pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(Z4_ENABLE)
+      #error "i2c SDA2 overlaps with Z4 enable pin! Disable i2c peripherals."
+    #elif HAS_MULTI_EXTRUDER && PIN_IS_SDA2(E1_ENABLE)
+      #error "i2c SDA2 overlaps with E1 enable pin! Disable i2c peripherals."
+    #elif HAS_MULTI_EXTRUDER && AXIS_HAS_SPI(E1) && PIN_IS_SDA2(E1_CS)
+      #error "i2c SDA2 overlaps with E1 CS pin! Disable i2c peripherals."
+    #elif EXTRUDERS && (PIN_IS_SDA2(E0_STEP) || PIN_IS_SDA2(E0_DIR))
+      #error "i2c SCL2 overlaps with E0 STEP/DIR pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(X_DIR) || PIN_IS_SDA2(Y_DIR)
+      #error "One or more i2c pins overlaps with X/Y DIR pin! Disable i2c peripherals."
+    #endif
+    #undef PIN_IS_SDA2
+    #undef PIN_IS_SCL2
+  #endif
+
+  #undef USEDI2CDEV_M
+#endif
+
+#if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
+  #error "SERIAL_STATS_MAX_RX_QUEUED is not supported on LPC176x."
+#elif ENABLED(SERIAL_STATS_DROPPED_RX)
+  #error "SERIAL_STATS_DROPPED_RX is not supported on LPX176x."
+#endif

Marlin/src/HAL/LPC4078/include/SPI.h

@@ -0,0 +1,207 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../shared/HAL_SPI.h"
+
+#include <stdint.h>
+#include <mcu_interface.h>
+
+//#define MSBFIRST 1
+
+#define SPI_MODE0 0
+#define SPI_MODE1 1
+#define SPI_MODE2 2
+#define SPI_MODE3 3
+
+#define SSP_CR0_DSS(n)  ((uint32_t)((n-1)&0xF))
+#define SSP_DATABIT_4		SSP_CR0_DSS(4) 			/*!< Databit number = 4 */
+#define SSP_DATABIT_5		SSP_CR0_DSS(5) 			/*!< Databit number = 5 */
+#define SSP_DATABIT_6		SSP_CR0_DSS(6) 			/*!< Databit number = 6 */
+#define SSP_DATABIT_7		SSP_CR0_DSS(7) 			/*!< Databit number = 7 */
+#define SSP_DATABIT_8		SSP_CR0_DSS(8) 			/*!< Databit number = 8 */
+#define SSP_DATABIT_9		SSP_CR0_DSS(9) 			/*!< Databit number = 9 */
+#define SSP_DATABIT_10		SSP_CR0_DSS(10) 		/*!< Databit number = 10 */
+#define SSP_DATABIT_11		SSP_CR0_DSS(11) 		/*!< Databit number = 11 */
+#define SSP_DATABIT_12		SSP_CR0_DSS(12) 		/*!< Databit number = 12 */
+#define SSP_DATABIT_13		SSP_CR0_DSS(13) 		/*!< Databit number = 13 */
+#define SSP_DATABIT_14		SSP_CR0_DSS(14) 		/*!< Databit number = 14 */
+#define SSP_DATABIT_15		SSP_CR0_DSS(15) 		/*!< Databit number = 15 */
+#define SSP_DATABIT_16		SSP_CR0_DSS(16) 		/*!< Databit number = 16 */
+
+#define DATA_SIZE_8BIT SSP_DATABIT_8
+#define DATA_SIZE_16BIT SSP_DATABIT_16
+
+#define SPI_CLOCK_MAX_TFT  30000000UL
+#define SPI_CLOCK_DIV2     8333333 //(SCR:  2)  desired: 8,000,000  actual: 8,333,333  +4.2%  SPI_FULL_SPEED
+#define SPI_CLOCK_DIV4     4166667 //(SCR:  5)  desired: 4,000,000  actual: 4,166,667  +4.2%  SPI_HALF_SPEED
+#define SPI_CLOCK_DIV8     2083333 //(SCR: 11)  desired: 2,000,000  actual: 2,083,333  +4.2%  SPI_QUARTER_SPEED
+#define SPI_CLOCK_DIV16    1000000 //(SCR: 24)  desired: 1,000,000  actual: 1,000,000         SPI_EIGHTH_SPEED
+#define SPI_CLOCK_DIV32     500000 //(SCR: 49)  desired:   500,000  actual:   500,000         SPI_SPEED_5
+#define SPI_CLOCK_DIV64     250000 //(SCR: 99)  desired:   250,000  actual:   250,000         SPI_SPEED_6
+#define SPI_CLOCK_DIV128    125000 //(SCR:199)  desired:   125,000  actual:   125,000         Default from HAL.h
+
+#define SPI_CLOCK_MAX SPI_CLOCK_DIV2
+
+#define BOARD_NR_SPI 3
+
+// SSP0 TMC port
+#define BOARD_SPI1_NSS_PIN      P_NC
+#define BOARD_SPI1_SCK_PIN      P1_20
+#define BOARD_SPI1_MISO_PIN     P1_23
+#define BOARD_SPI1_MOSI_PIN     P1_24
+
+// SSP2 LCD SD port
+#define BOARD_SPI2_NSS_PIN      P_NC
+#define BOARD_SPI2_SCK_PIN      P1_00
+#define BOARD_SPI2_MISO_PIN     P1_04
+#define BOARD_SPI2_MOSI_PIN     P1_01
+
+// SSP1 Onboard SD port
+#define BOARD_SPI3_NSS_PIN      P_NC
+#define BOARD_SPI3_SCK_PIN      P0_07
+#define BOARD_SPI3_MISO_PIN     P0_08
+#define BOARD_SPI3_MOSI_PIN     P0_09
+
+class SPISettings {
+public:
+  SPISettings(uint32_t spiRate, int inBitOrder, int inDataMode) {
+    init_AlwaysInline(spiRate2Clock(spiRate), inBitOrder, inDataMode, DATA_SIZE_8BIT);
+  }
+  SPISettings(uint32_t inClock, uint8_t inBitOrder, uint8_t inDataMode, uint32_t inDataSize) {
+    if (__builtin_constant_p(inClock))
+      init_AlwaysInline(inClock, inBitOrder, inDataMode, inDataSize);
+    else
+      init_MightInline(inClock, inBitOrder, inDataMode, inDataSize);
+  }
+  SPISettings() {
+    init_AlwaysInline(4000000, MSBFIRST, SPI_MODE0, DATA_SIZE_8BIT);
+  }
+
+  //uint32_t spiRate() const { return spi_speed; }
+
+  static uint32_t spiRate2Clock(uint32_t spiRate) {
+    uint32_t Marlin_speed[7]; // CPSR is always 2
+    Marlin_speed[0] = 8333333; //(SCR:  2)  desired: 8,000,000  actual: 8,333,333  +4.2%  SPI_FULL_SPEED
+    Marlin_speed[1] = 4166667; //(SCR:  5)  desired: 4,000,000  actual: 4,166,667  +4.2%  SPI_HALF_SPEED
+    Marlin_speed[2] = 2083333; //(SCR: 11)  desired: 2,000,000  actual: 2,083,333  +4.2%  SPI_QUARTER_SPEED
+    Marlin_speed[3] = 1000000; //(SCR: 24)  desired: 1,000,000  actual: 1,000,000         SPI_EIGHTH_SPEED
+    Marlin_speed[4] =  500000; //(SCR: 49)  desired:   500,000  actual:   500,000         SPI_SPEED_5
+    Marlin_speed[5] =  250000; //(SCR: 99)  desired:   250,000  actual:   250,000         SPI_SPEED_6
+    Marlin_speed[6] =  125000; //(SCR:199)  desired:   125,000  actual:   125,000         Default from HAL.h
+    return Marlin_speed[spiRate > 6 ? 6 : spiRate];
+  }
+
+private:
+  void init_MightInline(uint32_t inClock, uint8_t inBitOrder, uint8_t inDataMode, uint32_t inDataSize) {
+    init_AlwaysInline(inClock, inBitOrder, inDataMode, inDataSize);
+  }
+  void init_AlwaysInline(uint32_t inClock, uint8_t inBitOrder, uint8_t inDataMode, uint32_t inDataSize) __attribute__((__always_inline__)) {
+    clock    = inClock;
+    bitOrder = inBitOrder;
+    dataMode = inDataMode;
+    dataSize = inDataSize;
+  }
+
+  MCUI::SSP::Config m_config;
+
+  //uint32_t spi_speed;
+  uint32_t clock;
+  uint32_t dataSize;
+  //uint32_t clockDivider;
+  uint8_t bitOrder;
+  uint8_t dataMode;
+
+  uint8_t device_id;
+
+  friend class SPIClass;
+};
+
+/**
+ * @brief Wirish SPI interface.
+ *
+ * This is the same interface is available across HAL
+ *
+ * This implementation uses software slave management, so the caller
+ * is responsible for controlling the slave select line.
+ */
+class SPIClass {
+public:
+  /**
+   * @param spiPortNumber Number of the SPI port to manage.
+   */
+  SPIClass(uint8_t spiPortNumber);
+
+  /**
+   * Init using pins
+   */
+  SPIClass(pin_t mosi, pin_t miso, pin_t sclk, pin_t ssel = (pin_t)-1);
+
+  /**
+   * Select and configure the current selected SPI device to use
+   */
+  void begin();
+
+  /**
+   * Disable the current SPI device
+   */
+  void end();
+
+  void beginTransaction(const SPISettings&);
+  void endTransaction() {}
+
+  // Transfer using 1 "Data Size"
+  uint8_t transfer(uint16_t data);
+  // Transfer 2 bytes in 8 bit mode
+  uint16_t transfer16(uint16_t data);
+
+  void send(uint8_t data);
+
+  uint16_t read();
+  void read(uint8_t *buf, uint32_t len);
+
+  void dmaSend(void *buf, uint16_t length, bool minc);
+
+  /**
+   * @brief Sets the number of the SPI peripheral to be used by
+   *        this HardwareSPI instance.
+   *
+   * @param spi_num Number of the SPI port. 1-2 in low density devices
+   *     or 1-3 in high density devices.
+   */
+  void setModule(uint8_t device);
+
+  void setClock(uint32_t clock);
+  void setBitOrder(uint8_t bitOrder);
+  void setDataMode(uint8_t dataMode);
+  void setDataSize(uint32_t ds);
+
+  inline uint32_t getDataSize() { return _currentSetting->dataSize; }
+
+private:
+  SPISettings _settings[BOARD_NR_SPI];
+  SPISettings *_currentSetting;
+
+  void updateSettings();
+};
+
+extern SPIClass SPI;

Marlin/src/HAL/LPC4078/main.cpp

@@ -0,0 +1,111 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include "../../core/millis_t.h"
+#include "../../sd/cardreader.h"
+
+#include <mcu_interface.h>
+#include <driver/usb_device.h>
+
+TERN_(POSTMORTEM_DEBUGGING, extern void install_min_serial());
+
+void MarlinHAL::init() {
+
+  MCUI::pwm_init();
+
+  // Init LEDs
+  #if PIN_EXISTS(LED)
+    SET_DIR_OUTPUT(LED_PIN);
+    WRITE_PIN_CLR(LED_PIN);
+    #if PIN_EXISTS(LED2)
+      SET_DIR_OUTPUT(LED2_PIN);
+      WRITE_PIN_CLR(LED2_PIN);
+      #if PIN_EXISTS(LED3)
+        SET_DIR_OUTPUT(LED3_PIN);
+        WRITE_PIN_CLR(LED3_PIN);
+        #if PIN_EXISTS(LED4)
+          SET_DIR_OUTPUT(LED4_PIN);
+          WRITE_PIN_CLR(LED4_PIN);
+        #endif
+      #endif
+    #endif
+
+    // Flash status LED 3 times to indicate Marlin has started booting
+    for(int i = 0; i < 6; ++i) {
+      TOGGLE(LED_PIN);
+      delay(100);
+    }
+  #endif
+
+  // Init Servo Pins
+  #define INIT_SERVO(N) OUT_WRITE(SERVO##N##_PIN, LOW)
+  #if HAS_SERVO_0
+    INIT_SERVO(0);
+  #endif
+  #if HAS_SERVO_1
+    INIT_SERVO(1);
+  #endif
+  #if HAS_SERVO_2
+    INIT_SERVO(2);
+  #endif
+  #if HAS_SERVO_3
+    INIT_SERVO(3);
+  #endif
+
+  #if PIN_EXISTS(SD_SS)
+    OUT_WRITE(SD_SS_PIN, HIGH);
+  #endif
+
+  #if PIN_EXISTS(ONBOARD_SD_CS) && ONBOARD_SD_CS_PIN != SD_SS_PIN
+    OUT_WRITE(ONBOARD_SD_CS_PIN, HIGH);
+  #endif
+
+  TERN_(HAS_SD_HOST_DRIVE, MCUI::USBDevice::msc_storage_init()); // Enable USB SD card access
+  MCUI::USBDevice::connect(2000, LED_PIN);
+
+  HAL_timer_init();
+
+  TERN_(POSTMORTEM_DEBUGGING, install_min_serial()); // Install the min serial handler
+}
+
+// HAL idle task
+void MarlinHAL::idletask() {
+  #if HAS_SHARED_MEDIA
+    // If Marlin is using the SD card we need to lock it to prevent access from
+    // a PC via USB.
+    // Other HALs use IS_SD_PRINTING() and IS_SD_FILE_OPEN() to check for access but
+    // this will not reliably detect delete operations. To be safe we will lock
+    // the disk if Marlin has it mounted. Unfortunately there is currently no way
+    // to unmount the disk from the LCD menu.
+    // if (IS_SD_PRINTING() || IS_SD_FILE_OPEN())
+    if (card.isMounted())
+      MCUI::USBDevice::msc_storage_lock();
+    else
+      MCUI::USBDevice::msc_storage_release();
+  #endif
+  // Perform USB stack housekeeping
+  MCUI::USBDevice::msc_run_deferred_commands();
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/pinsDebug.h

@@ -0,0 +1,57 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Support routines for LPC1768
+ */
+
+/**
+ * Translation of routines & variables used by pinsDebug.h
+ */
+
+#define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS
+#define IS_ANALOG(P) (DIGITAL_PIN_TO_ANALOG_PIN(P) >= 0 ? 1 : 0)
+#define digitalRead_mod(p) extDigitalRead(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("P%d_%02d"), MCUI::pin_port(p), MCUI::pin_bit(p)); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR("_A%d     "), MCUI::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
+  #define M43_NEVER_TOUCH(Q) ((Q) == P0_29 || (Q) == P0_30 || (Q) == P2_09)  // USB pins
+#endif
+
+bool GET_PINMODE(const pin_t pin) {
+  if (!MCUI::pin_is_valid(pin) || MCUI::pin_adc_enabled(pin)) // found an invalid pin or active analog pin
+    return false;
+
+  return MCUI::gpio_direction(pin);
+}
+
+#define GET_ARRAY_IS_DIGITAL(x) ((bool) pin_array[x].is_digital)
+
+void print_port(const pin_t) {}
+void pwm_details(const pin_t) {}
+bool pwm_status(const pin_t) { return false; }

Marlin/src/HAL/LPC4078/spi_pins.h

@@ -0,0 +1,54 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../core/macros.h"
+
+#if ALL(SDSUPPORT, HAS_MARLINUI_U8GLIB) && (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 card */
+//#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 */
+#ifndef SD_SCK_PIN
+  #define SD_SCK_PIN        P0_15
+#endif
+#ifndef SD_MISO_PIN
+  #define SD_MISO_PIN       P0_17
+#endif
+#ifndef SD_MOSI_PIN
+  #define SD_MOSI_PIN       P0_18
+#endif
+#ifndef SD_SS_PIN
+  #define SD_SS_PIN         P1_23
+#endif
+#if !defined(SDSS) || SDSS == P_NC // gets defaulted in pins.h
+  #undef SDSS
+  #define SDSS          SD_SS_PIN
+#endif

Marlin/src/HAL/LPC4078/timers.cpp

@@ -0,0 +1,65 @@
+/**
+ * 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
+ *
+ * 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/>.
+ *
+ */
+
+/**
+ * Description:
+ *
+ * Timers for LPC1768
+ */
+
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+
+void HAL_timer_init() {
+  SBI(MCUI::system_control.PCONP, SBIT_TIMER0);  // Power ON Timer 0
+  STEP_TIMER_REF.PR = (HAL_TIMER_RATE) / (STEPPER_TIMER_RATE) - 1; // Use prescaler to set frequency if needed
+
+  SBI(MCUI::system_control.PCONP, SBIT_TIMER1);  // Power ON Timer 1
+  TEMP_TIMER_REF.PR = (HAL_TIMER_RATE) / 1000000 - 1;
+}
+
+void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
+  switch (timer_num) {
+    case MF_TIMER_STEP:
+      STEP_TIMER_REF.MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
+      STEP_TIMER_REF.MR0 = uint32_t(STEPPER_TIMER_RATE) / frequency; // Match value (period) to set frequency
+      STEP_TIMER_REF.TCR = _BV(SBIT_CNTEN); // Counter Enable
+
+      MCUCore::nvic_set_priority(MCUI::IRQNumber::TIMER0, MCUCore::nvic_encode_priority(0, 1, 0));
+      MCUCore::nvic_enable_irq(MCUI::IRQNumber::TIMER0);
+      break;
+
+    case MF_TIMER_TEMP:
+      TEMP_TIMER_REF.MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
+      TEMP_TIMER_REF.MR0 = uint32_t(TEMP_TIMER_RATE) / frequency;
+      TEMP_TIMER_REF.TCR = _BV(SBIT_CNTEN); // Counter Enable
+
+      MCUCore::nvic_set_priority(MCUI::IRQNumber::TIMER1, MCUCore::nvic_encode_priority(0, 2, 0));
+      MCUCore::nvic_enable_irq(MCUI::IRQNumber::TIMER1);
+      break;
+
+    default: break;
+  }
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/timers.h

@@ -0,0 +1,165 @@
+/**
+ * Marlin 3D Printer Firmware
+ *
+ * Copyright (c) 2020 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 For LPC1768
+ */
+
+
+#include <stdint.h>
+#include <mcu_interface.h>
+
+#include "../../core/macros.h"
+
+#define SBIT_TIMER0 1
+#define SBIT_TIMER1 2
+
+#define SBIT_CNTEN 0
+
+#define SBIT_MR0I  0 // Timer 0 Interrupt when TC matches MR0
+#define SBIT_MR0R  1 // Timer 0 Reset TC on Match
+#define SBIT_MR0S  2 // Timer 0 Stop TC and PC on Match
+#define SBIT_MR1I  3
+#define SBIT_MR1R  4
+#define SBIT_MR1S  5
+#define SBIT_MR2I  6
+#define SBIT_MR2R  7
+#define SBIT_MR2S  8
+#define SBIT_MR3I  9
+#define SBIT_MR3R 10
+#define SBIT_MR3S 11
+
+// ------------------------
+// Defines
+// ------------------------
+
+#define _HAL_TIMER(T) _CAT(MCUI::timer, T)
+#define _HAL_TIMER_IRQ(T) TIMER##T##_IRQn
+#define __HAL_TIMER_ISR(T) extern "C" void TIMER##T##_IRQHandler()
+#define _HAL_TIMER_ISR(T)  __HAL_TIMER_ISR(T)
+
+typedef uint32_t hal_timer_t;
+#define HAL_TIMER_TYPE_MAX 0xFFFFFFFF
+
+#define HAL_TIMER_RATE         ((F_CPU) / 2)  // frequency of timers peripherals
+
+#ifndef MF_TIMER_STEP
+  #define MF_TIMER_STEP         0  // Timer Index for Stepper
+#endif
+#ifndef MF_TIMER_PULSE
+  #define MF_TIMER_PULSE        MF_TIMER_STEP
+#endif
+#ifndef MF_TIMER_TEMP
+  #define MF_TIMER_TEMP         1  // Timer Index for Temperature
+#endif
+#ifndef MF_TIMER_PWM
+  #define MF_TIMER_PWM          3  // Timer Index for PWM
+#endif
+
+#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(MF_TIMER_STEP)
+#define DISABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_disable_interrupt(MF_TIMER_STEP)
+#define STEPPER_ISR_ENABLED() HAL_timer_interrupt_enabled(MF_TIMER_STEP)
+
+#define ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(MF_TIMER_TEMP)
+#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(MF_TIMER_TEMP)
+
+#ifndef HAL_STEP_TIMER_ISR
+  #define HAL_STEP_TIMER_ISR() _HAL_TIMER_ISR(MF_TIMER_STEP)
+#endif
+#ifndef HAL_TEMP_TIMER_ISR
+  #define HAL_TEMP_TIMER_ISR() _HAL_TIMER_ISR(MF_TIMER_TEMP)
+#endif
+
+// Timer references by index
+#define STEP_TIMER_REF _HAL_TIMER(MF_TIMER_STEP)
+#define TEMP_TIMER_REF _HAL_TIMER(MF_TIMER_TEMP)
+
+// ------------------------
+// Public functions
+// ------------------------
+void HAL_timer_init();
+void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency);
+
+FORCE_INLINE static void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t compare) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: STEP_TIMER_REF.MR0 = compare; break; // Stepper Timer Match Register 0
+    case MF_TIMER_TEMP: TEMP_TIMER_REF.MR0 = compare; break; //    Temp Timer Match Register 0
+  }
+}
+
+FORCE_INLINE static hal_timer_t HAL_timer_get_compare(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: return STEP_TIMER_REF.MR0; // Stepper Timer Match Register 0
+    case MF_TIMER_TEMP: return TEMP_TIMER_REF.MR0; //    Temp Timer Match Register 0
+  }
+  return 0;
+}
+
+FORCE_INLINE static hal_timer_t HAL_timer_get_count(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: return STEP_TIMER_REF.TC; // Stepper Timer Count
+    case MF_TIMER_TEMP: return TEMP_TIMER_REF.TC; //    Temp Timer Count
+  }
+  return 0;
+}
+
+FORCE_INLINE static void HAL_timer_enable_interrupt(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: MCUCore::nvic_enable_irq(MCUI::IRQNumber::TIMER0); break; // Enable interrupt handler
+    case MF_TIMER_TEMP: MCUCore::nvic_enable_irq(MCUI::IRQNumber::TIMER1); break; // Enable interrupt handler
+  }
+}
+
+FORCE_INLINE static void HAL_timer_disable_interrupt(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: MCUCore::nvic_disable_irq(MCUI::IRQNumber::TIMER0); break; // Disable interrupt handler
+    case MF_TIMER_TEMP: MCUCore::nvic_disable_irq(MCUI::IRQNumber::TIMER1); break; // Disable interrupt handler
+  }
+}
+
+FORCE_INLINE static bool HAL_timer_interrupt_enabled(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: return MCUCore::nvic_irq_is_enabled(MCUI::IRQNumber::TIMER0); // Check if interrupt is enabled or not
+    case MF_TIMER_TEMP: return MCUCore::nvic_irq_is_enabled(MCUI::IRQNumber::TIMER1); // Check if interrupt is enabled or not
+  }
+  return false;
+}
+
+FORCE_INLINE static void HAL_timer_isr_prologue(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: SBI(STEP_TIMER_REF.IR, SBIT_CNTEN); break;
+    case MF_TIMER_TEMP: SBI(TEMP_TIMER_REF.IR, SBIT_CNTEN); break;
+  }
+}
+
+#define HAL_timer_isr_epilogue(T) NOOP

Marlin/src/HAL/LPC4078/u8g/LCD_I2C_routines.cpp

@@ -0,0 +1,89 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+// 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 TARGET_LPC1768
+
+#include "../include/i2c_util.h"
+#include "../../../core/millis_t.h"
+
+extern int millis();
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+//////////////////////////////////////////////////////////////////////////////////////
+
+#define I2CDEV_S_ADDR   0x78  // From SSD1306 (actual address is 0x3C - shift left 1 with LSB set to 0 to indicate write)
+
+// Send slave address and write bit
+uint8_t u8g_i2c_start(const uint8_t sla) {
+  // Sometimes TX data ACK or NAK status is returned.  That mean the start state didn't
+  // happen which means only the value of the slave address was send.  Keep looping until
+  // the slave address and write bit are actually sent.
+  do{
+    _I2C_Stop(I2CDEV_M); // output stop state on I2C bus
+    _I2C_Start(I2CDEV_M); // output start state on I2C bus
+    while ((I2C_status != I2C_I2STAT_M_TX_START)
+        && (I2C_status != I2C_I2STAT_M_TX_RESTART)
+        && (I2C_status != I2C_I2STAT_M_TX_DAT_ACK)
+        && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK));  //wait for start to be asserted
+
+    LPC_I2C1->I2CONCLR = I2C_I2CONCLR_STAC; // clear start state before tansmitting slave address
+    LPC_I2C1->I2DAT = I2CDEV_S_ADDR & I2C_I2DAT_BITMASK; // transmit slave address & write bit
+    LPC_I2C1->I2CONSET = I2C_I2CONSET_AA;
+    LPC_I2C1->I2CONCLR = I2C_I2CONCLR_SIC;
+    while ((I2C_status != I2C_I2STAT_M_TX_SLAW_ACK)
+        && (I2C_status != I2C_I2STAT_M_TX_SLAW_NACK)
+        && (I2C_status != I2C_I2STAT_M_TX_DAT_ACK)
+        && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK));  //wait for slaw to finish
+  }while ( (I2C_status == I2C_I2STAT_M_TX_DAT_ACK) ||  (I2C_status == I2C_I2STAT_M_TX_DAT_NACK));
+  return 1;
+}
+
+void u8g_i2c_init(const uint8_t clock_option) {
+  configure_i2c(clock_option);
+  u8g_i2c_start(0); // Send slave address and write bit
+}
+
+uint8_t u8g_i2c_send_byte(uint8_t data) {
+  #define I2C_TIMEOUT 3
+  LPC_I2C1->I2DAT = data & I2C_I2DAT_BITMASK; // transmit data
+  LPC_I2C1->I2CONSET = I2C_I2CONSET_AA;
+  LPC_I2C1->I2CONCLR = I2C_I2CONCLR_SIC;
+  const millis_t timeout = millis() + I2C_TIMEOUT;
+  while ((I2C_status != I2C_I2STAT_M_TX_DAT_ACK) && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK) && PENDING(millis(), timeout));  // wait for xmit to finish
+  // had hangs with SH1106 so added time out - have seen temporary screen corruption when this happens
+  return 1;
+}
+
+void u8g_i2c_stop() {
+}
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif // TARGET_LPC1768

Marlin/src/HAL/LPC4078/u8g/LCD_I2C_routines.h

@@ -0,0 +1,28 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+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();

Marlin/src/HAL/LPC4078/u8g/LCD_defines.h

@@ -0,0 +1,46 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * LPC1768 LCD-specific defines
+ */
+
+#ifndef U8G_HAL_LINKS
+
+  #define U8G_COM_SSD_I2C_HAL u8g_com_arduino_ssd_i2c_fn  // See U8glib-HAL
+
+#else
+
+  uint8_t u8g_com_HAL_LPC1768_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+  uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+  uint8_t u8g_com_HAL_LPC1768_ST7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+  uint8_t u8g_com_HAL_LPC1768_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+  uint8_t u8g_com_HAL_LPC1768_ssd_hw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+
+  #define U8G_COM_HAL_SW_SPI_FN       u8g_com_HAL_LPC1768_sw_spi_fn
+  #define U8G_COM_HAL_HW_SPI_FN       u8g_com_HAL_LPC1768_hw_spi_fn
+  #define U8G_COM_ST7920_HAL_SW_SPI   u8g_com_HAL_LPC1768_ST7920_sw_spi_fn
+  #define U8G_COM_ST7920_HAL_HW_SPI   u8g_com_HAL_LPC1768_ST7920_hw_spi_fn
+  #define U8G_COM_SSD_I2C_HAL         u8g_com_HAL_LPC1768_ssd_hw_i2c_fn
+
+#endif

Marlin/src/HAL/LPC4078/u8g/LCD_delay.h

@@ -0,0 +1,43 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#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/LPC4078/u8g/LCD_pin_routines.cpp

@@ -0,0 +1,59 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * 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 TARGET_LPC4078
+
+#include  <mcu_interface.h>
+
+extern "C" {
+
+#include "LCD_pin_routines.h"
+
+void u8g_SetPinOutput(uint8_t pin) {
+  MCUI::gpio_set_output(pin);
+}
+
+void u8g_SetPinInput(uint8_t pin) {
+  MCUI::gpio_set_input(pin);
+}
+
+void u8g_SetPinLevel(uint8_t  pin, uint8_t  pin_status) {
+  MCUI::gpio_set(pin, pin_status);
+}
+
+uint8_t u8g_GetPinLevel(uint8_t pin) {
+  return MCUI::gpio_get(pin);
+}
+
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/u8g/LCD_pin_routines.h

@@ -0,0 +1,37 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#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.
+ */
+
+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);

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_hw_spi.cpp

@@ -0,0 +1,129 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_msp430_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 TARGET_LPC4078
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if HAS_MARLINUI_U8GLIB
+
+#include <U8glib-HAL.h>
+#include "../../shared/HAL_SPI.h"
+
+#ifndef LCD_SPI_SPEED
+  #ifdef SD_SPI_SPEED
+    #define LCD_SPI_SPEED SD_SPI_SPEED    // Assume SPI speed shared with SD
+  #else
+    #define LCD_SPI_SPEED SPI_FULL_SPEED  // Use full speed if SD speed is not supplied
+  #endif
+#endif
+
+uint8_t u8g_com_HAL_LPC1768_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_INIT:
+      u8g_SetPILevel(u8g, U8G_PI_CS, 1);
+      u8g_SetPILevel(u8g, U8G_PI_A0, 1);
+      u8g_SetPILevel(u8g, U8G_PI_RESET, 1);
+      u8g_SetPIOutput(u8g, U8G_PI_CS);
+      u8g_SetPIOutput(u8g, U8G_PI_A0);
+      u8g_SetPIOutput(u8g, U8G_PI_RESET);
+      u8g_Delay(5);
+      spiBegin();
+      spiInit(LCD_SPI_SPEED);
+      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;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      u8g_SetPILevel(u8g, U8G_PI_CS, (arg_val ? 0 : 1));
+      break;
+
+    case U8G_COM_MSG_RESET:
+      u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      spiSend((uint8_t)arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          spiSend(*ptr++);
+          arg_val--;
+        }
+      }
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ_P: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          spiSend(*ptr++);
+          arg_val--;
+        }
+      }
+      break;
+  }
+  return 1;
+}
+
+#endif // HAS_MARLINUI_U8GLIB
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp

@@ -0,0 +1,198 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_arduino_ssd_i2c.c
+ *
+ * COM interface for Arduino (AND ATmega) and the SSDxxxx chip (SOLOMON) variant
+ * I2C protocol
+ *
+ * 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.
+ */
+
+/**
+ * Special pin usage:
+ * U8G_PI_I2C_OPTION additional options
+ * U8G_PI_A0_STATE used to store the last value of the command/data register selection
+ * U8G_PI_SET_A0   1: Signal request to update I2C device with new A0_STATE, 0: Do nothing, A0_STATE matches I2C device
+ * U8G_PI_SCL    clock line (NOT USED)
+ * U8G_PI_SDA    data line (NOT USED)
+ *
+ * U8G_PI_RESET    reset line (currently disabled, see below)
+ *
+ * Protocol:
+ * SLA, Cmd/Data Selection, Arguments
+ * The command/data register is selected by a special instruction byte, which is sent after SLA
+ *
+ * The continue bit is always 0 so that a (re)start is equired for the change from cmd to/data mode
+ */
+
+#ifdef TARGET_LPC1768
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if HAS_MARLINUI_U8GLIB
+
+#include <U8glib-HAL.h>
+
+#define I2C_SLA         (0x3C*2)
+//#define I2C_CMD_MODE  0x080
+#define I2C_CMD_MODE    0x000
+#define I2C_DATA_MODE   0x040
+
+uint8_t u8g_com_ssd_I2C_start_sequence(u8g_t *u8g) {
+  /* are we requested to set the a0 state? */
+  if (u8g->pin_list[U8G_PI_SET_A0] == 0) return 1;
+
+  /* setup bus, might be a repeated start */
+  if (u8g_i2c_start(I2C_SLA) == 0) return 0;
+  if (u8g->pin_list[U8G_PI_A0_STATE] == 0) {
+    if (u8g_i2c_send_byte(I2C_CMD_MODE) == 0) return 0;
+  }
+  else if (u8g_i2c_send_byte(I2C_DATA_MODE) == 0)
+    return 0;
+
+  u8g->pin_list[U8G_PI_SET_A0] = 0;
+  return 1;
+}
+
+uint8_t u8g_com_HAL_LPC1768_ssd_hw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+      //u8g_com_arduino_digital_write(u8g, U8G_PI_SCL, HIGH);
+      //u8g_com_arduino_digital_write(u8g, U8G_PI_SDA, HIGH);
+      //u8g->pin_list[U8G_PI_A0_STATE] = 0;       /* initial RS state: unknown mode */
+
+      u8g_i2c_init(u8g->pin_list[U8G_PI_I2C_OPTION]);
+      u8g_com_ssd_I2C_start_sequence(u8g);
+      break;
+
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_RESET:
+      /* Currently disabled, but it could be enable. Previous restrictions have been removed */
+      /* u8g_com_arduino_digital_write(u8g, U8G_PI_RESET, arg_val); */
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      u8g->pin_list[U8G_PI_A0_STATE] = 0;
+      u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again, also forces start condition */
+      if (arg_val == 0 ) {
+        /* disable chip, send stop condition */
+        u8g_i2c_stop();
+      }
+      else {
+        /* enable, do nothing: any byte writing will trigger the i2c start */
+      }
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      //u8g->pin_list[U8G_PI_SET_A0] = 1;
+      if (u8g_com_ssd_I2C_start_sequence(u8g) == 0) {
+        u8g_i2c_stop();
+        return 0;
+      }
+
+      if (u8g_i2c_send_byte(arg_val) == 0) {
+        u8g_i2c_stop();
+        return 0;
+      }
+      // u8g_i2c_stop();
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        //u8g->pin_list[U8G_PI_SET_A0] = 1;
+        if (u8g_com_ssd_I2C_start_sequence(u8g) == 0) {
+         u8g_i2c_stop();
+         return 0;
+        }
+
+        uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          if (u8g_i2c_send_byte(*ptr++) == 0) {
+            u8g_i2c_stop();
+            return 0;
+          }
+          arg_val--;
+        }
+      }
+      // u8g_i2c_stop();
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ_P: {
+        //u8g->pin_list[U8G_PI_SET_A0] = 1;
+        if (u8g_com_ssd_I2C_start_sequence(u8g) == 0) {
+          u8g_i2c_stop();
+          return 0;
+        }
+
+        uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          if (u8g_i2c_send_byte(u8g_pgm_read(ptr)) == 0)
+            return 0;
+          ptr++;
+          arg_val--;
+        }
+      }
+      // u8g_i2c_stop();
+      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;
+      u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again */
+      break;
+
+  } // switch
+  return 1;
+}
+
+#endif // HAS_MARLINUI_U8GLIB
+
+#endif // TARGET_LPC1768

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp

@@ -0,0 +1,138 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_LPC1768_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 TARGET_LPC4078
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if HAS_MARLINUI_U8GLIB
+
+#include <U8glib-HAL.h>
+#include "../../shared/HAL_SPI.h"
+#include "../../shared/Delay.h"
+
+void spiBegin();
+void spiInit(uint8_t spiRate);
+void spiSend(uint8_t b);
+void spiSend(const uint8_t *buf, size_t n);
+
+static uint8_t rs_last_state = 255;
+
+static void u8g_com_LPC1768_st7920_write_byte_hw_spi(uint8_t rs, uint8_t val) {
+
+  if (rs != rs_last_state) {      // Time to send a command/data byte
+    rs_last_state = rs;
+    spiSend(rs ? 0x0FA : 0x0F8);  // Send data or command
+    DELAY_US(40);                 // Give the controller some time: 20 is bad, 30 is OK, 40 is safe
+  }
+
+  spiSend(val & 0xF0);
+  spiSend(val << 4);
+}
+
+uint8_t u8g_com_HAL_LPC1768_ST7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+      u8g_SetPILevel(u8g, U8G_PI_CS, 0);
+      u8g_SetPIOutput(u8g, U8G_PI_CS);
+      u8g_Delay(5);
+      spiBegin();
+      spiInit(SPI_EIGHTH_SPEED);            // ST7920 max speed is about 1.1 MHz
+      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:
+      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:
+      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_LPC1768_st7920_write_byte_hw_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_LPC1768_st7920_write_byte_hw_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_LPC1768_st7920_write_byte_hw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+  }
+  return 1;
+}
+
+#endif // HAS_MARLINUI_U8GLIB
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_st7920_sw_spi.cpp

@@ -0,0 +1,147 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * 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 TARGET_LPC4078
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if IS_U8GLIB_ST7920
+
+#include <U8glib-HAL.h>
+#include "../SoftwareSPI.h"
+#include "../../shared/Delay.h"
+#include "../../shared/HAL_SPI.h"
+
+#ifndef LCD_SPI_SPEED
+  #define LCD_SPI_SPEED SPI_EIGHTH_SPEED  // About 1 MHz
+#endif
+
+static pin_t SCK_pin_ST7920_HAL, MOSI_pin_ST7920_HAL_HAL;
+static uint8_t SPI_speed = 0;
+
+static void u8g_com_LPC1768_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);
+}
+
+uint8_t u8g_com_HAL_LPC1768_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(LCD_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_LPC1768_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_LPC1768_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_LPC1768_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+  }
+  return 1;
+}
+
+#endif // IS_U8GLIB_ST7920
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp

@@ -0,0 +1,209 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * 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 TARGET_LPC4078
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if HAS_MARLINUI_U8GLIB && !IS_U8GLIB_ST7920
+
+#include <SoftwareSPI.h>
+#include "../../shared/HAL_SPI.h"
+
+#ifndef LCD_SPI_SPEED
+  #define LCD_SPI_SPEED SPI_QUARTER_SPEED  // About 2 MHz
+#endif
+
+#include <Arduino.h>
+#include <algorithm>
+#include <LPC17xx.h>
+#include <gpio.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 ) {
+
+  LOOP_L_N(i, 8) {
+    if (spi_speed == 0) {
+      LPC176x::gpio_set(mosi_pin, !!(b & 0x80));
+      LPC176x::gpio_set(sck_pin, HIGH);
+      b <<= 1;
+      if (miso_pin >= 0 && LPC176x::gpio_get(miso_pin)) b |= 1;
+      LPC176x::gpio_set(sck_pin, LOW);
+    }
+    else {
+      const uint8_t state = (b & 0x80) ? HIGH : LOW;
+      LOOP_L_N(j, spi_speed)
+        LPC176x::gpio_set(mosi_pin, state);
+
+      LOOP_L_N(j, spi_speed + (miso_pin >= 0 ? 0 : 1))
+        LPC176x::gpio_set(sck_pin, HIGH);
+
+      b <<= 1;
+      if (miso_pin >= 0 && LPC176x::gpio_get(miso_pin)) b |= 1;
+
+      LOOP_L_N(j, spi_speed)
+        LPC176x::gpio_set(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) {
+      LPC176x::gpio_set(sck_pin, LOW);
+      LPC176x::gpio_set(mosi_pin, state);
+      LPC176x::gpio_set(mosi_pin, state);  // need some setup time
+      LPC176x::gpio_set(sck_pin, HIGH);
+    }
+    else {
+      LOOP_L_N(j, spi_speed + (miso_pin >= 0 ? 0 : 1))
+        LPC176x::gpio_set(sck_pin, LOW);
+
+      LOOP_L_N(j, spi_speed)
+        LPC176x::gpio_set(mosi_pin, state);
+
+      LOOP_L_N(j, spi_speed)
+        LPC176x::gpio_set(sck_pin, HIGH);
+    }
+    b <<= 1;
+    if (miso_pin >= 0 && LPC176x::gpio_get(miso_pin)) b |= 1;
+  }
+
+  return b;
+}
+
+static uint8_t SPI_speed = 0;
+
+static void u8g_sw_spi_HAL_LPC1768_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_HAL_LPC1768_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(LCD_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_HAL_LPC1768_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_HAL_LPC1768_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_HAL_LPC1768_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;
+}
+
+#endif // HAS_MARLINUI_U8GLIB && !IS_U8GLIB_ST7920
+#endif // TARGET_LPC4078

Marlin/src/HAL/STM32/MarlinSerial.h

@@ -53,6 +53,7 @@
     inline void begin(unsigned long baud) { begin(baud, SERIAL_8N1); }
 
     void _rx_complete_irq(serial_t *obj);
+    FORCE_INLINE static uint8_t buffer_overruns() { return 0; } // Not implemented. Void to avoid platform-dependent code.
 
     protected:
       usart_rx_callback_t _rx_callback;

Marlin/src/HAL/platforms.h

@@ -37,6 +37,8 @@
   #define HAL_PATH(PATH, NAME) XSTR(PATH/HAL/LPC1768/NAME)
 #elif defined(ARDUINO_ARCH_HC32)
   #define HAL_PATH(PATH, NAME) XSTR(PATH/HAL/HC32/NAME)
+#elif defined(TARGET_LPC4078)
+  #define HAL_PATH(PATH, NAME) XSTR(PATH/HAL/LPC4078/NAME)
 #elif defined(__STM32F1__) || defined(TARGET_STM32F1)
   #define HAL_PATH(PATH, NAME) XSTR(PATH/HAL/STM32F1/NAME)
 #elif defined(ARDUINO_ARCH_STM32)

Marlin/src/HAL/shared/servo.h

@@ -76,6 +76,8 @@
   #include "../LPC1768/Servo.h"
 #elif defined(ARDUINO_ARCH_HC32)
   #include "../HC32/Servo.h"
+#elif defined(TARGET_LPC4078)
+  #include "../LPC4078/Servo.h"
 #elif defined(__STM32F1__) || defined(TARGET_STM32F1)
   #include "../STM32F1/Servo.h"
 #elif defined(ARDUINO_ARCH_STM32)

Marlin/src/MarlinCore.cpp

@@ -266,7 +266,7 @@ PGMSTR(M112_KILL_STR, "M112 Shutdown");
 MarlinState marlin_state = MF_INITIALIZING;
 
 // For M109 and M190, this flag may be cleared (by M108) to exit the wait loop
-bool wait_for_heatup = true;
+bool wait_for_heatup = false;
 
 // For M0/M1, this flag may be cleared (by M108) to exit the wait-for-user loop
 #if HAS_RESUME_CONTINUE
@@ -474,11 +474,16 @@ inline void manage_inactivity(const bool no_stepper_sleep=false) {
 
   #if HAS_KILL
 
-    // Check if the kill button was pressed and wait just in case it was an accidental
-    // key kill key press
+    // Check if the kill button was pressed and wait to ensure the signal is not noise
+    // typically caused by poor insulation and grounding on LCD cables.
+    // Lower numbers here will increase response time and therefore safety rating.
+    // It is recommended to set this as low as possibe without false triggers.
     // -------------------------------------------------------------------------------
+    #ifndef KILL_DELAY
+      #define KILL_DELAY 250
+    #endif
+
     static int killCount = 0;   // make the inactivity button a bit less responsive
-    const int KILL_DELAY = 750;
     if (kill_state())
       killCount++;
     else if (killCount > 0)

Marlin/src/core/boards.h

@@ -131,6 +131,7 @@
 #define BOARD_PXMALION_CORE_I3        1164  // Pxmalion Core I3
 #define BOARD_PANOWIN_CUTLASS         1165  // Panowin Cutlass (as found in the Panowin F1)
 #define BOARD_KODAMA_BARDO            1166  // Kodama Bardo V1.x (as found in the Kodama Trinus)
+#define BOARD_DAGOMA_D6               1167  // Dagoma D6 (as found in the Dagoma DiscoUltimate V2 TMC)
 
 //
 // RAMBo and derivatives
@@ -382,9 +383,9 @@
 #define BOARD_CREALITY_V452           5050  // Creality v4.5.2 (STM32F103RC / STM32F103RE)
 #define BOARD_CREALITY_V453           5051  // Creality v4.5.3 (STM32F103RC / STM32F103RE)
 #define BOARD_CREALITY_V521           5052  // Creality v5.2.1 (STM32F103VE) as found in the SV04
-#define BOARD_CREALITY_V24S1          5053  // Creality v2.4.S1 (STM32F103RC / STM32F103RE) v101 as found in the Ender-7
-#define BOARD_CREALITY_V24S1_301      5054  // Creality v2.4.S1_301 (STM32F103RC / STM32F103RE) v301 as found in the Ender-3 S1
-#define BOARD_CREALITY_V25S1          5055  // Creality v2.5.S1 (STM32F103RE) as found in the CR-10 Smart Pro
+#define BOARD_CREALITY_V24S1          5053  // Creality v2.4.S1 (STM32F103RC / STM32F103RE) CR-FDM-v2.4.S1_v101 as found in the Ender-7
+#define BOARD_CREALITY_V24S1_301      5054  // Creality v2.4.S1_301 (STM32F103RC / STM32F103RE) CR-FDM-v24S1_301 as found in the Ender-3 S1
+#define BOARD_CREALITY_V25S1          5055  // Creality v2.5.S1 (STM32F103RE) CR-FDM-v2.5.S1_100 as found in the CR-10 Smart Pro
 #define BOARD_TRIGORILLA_PRO          5056  // Trigorilla Pro (STM32F103ZE)
 #define BOARD_FLY_MINI                5057  // FLYmaker FLY MINI (STM32F103RC)
 #define BOARD_FLSUN_HISPEED           5058  // FLSUN HiSpeedV1 (STM32F103VE)
@@ -409,6 +410,7 @@
 
 #define BOARD_TEENSY31_32             5100  // Teensy3.1 and Teensy3.2
 #define BOARD_TEENSY35_36             5101  // Teensy3.5 and Teensy3.6
+#define BOARD_EBAB                    5102
 
 //
 // STM32 ARM Cortex-M4F
@@ -467,6 +469,11 @@
 #define BOARD_FYSETC_CHEETAH_V30      5250  // FYSETC Cheetah V3.0 (STM32F446RC)
 #define BOARD_BLACKBEEZMINI_V1        5251  // BlackBeezMini V1 (STM32F401CCU6)
 
+//
+// Other ARM Cortex-M4
+//
+#define BOARD_CREALITY_CR4NS          5300  // Creality CR4NS200320C13 (GD32F303RET6) as found in the Ender-3 V3 SE
+
 //
 // ARM Cortex-M7
 //

Marlin/src/core/language.h

@@ -135,6 +135,7 @@
 #define STR_BUSY_PAUSED_FOR_USER            "busy: paused for user"
 #define STR_BUSY_PAUSED_FOR_INPUT           "busy: paused for input"
 #define STR_Z_MOVE_COMP                     "Z_move_comp"
+#define STR_LINE_NO                         "Line: "
 #define STR_RESEND                          "Resend: "
 #define STR_UNKNOWN_COMMAND                 "Unknown command: \""
 #define STR_ACTIVE_EXTRUDER                 "Active Extruder: "

Marlin/src/core/macros.h

@@ -89,7 +89,8 @@
 #define HYPOT2(x,y) (sq(x)+sq(y))
 #define NORMSQ(x,y,z) (sq(x)+sq(y)+sq(z))
 
-#define CIRCLE_AREA(R) (float(M_PI) * sq(float(R)))
+#define FLOAT_SQ(I) sq(float(I))
+#define CIRCLE_AREA(R) (float(M_PI) * FLOAT_SQ(R))
 #define CIRCLE_CIRC(R) (2 * float(M_PI) * float(R))
 
 #define SIGN(a) ({__typeof__(a) _a = (a); (_a>0)-(_a<0);})

Marlin/src/core/mstring.h

@@ -143,13 +143,13 @@ public:
 
   // Set with format string and arguments, like printf
   template<typename... Args>
-  MString& setf_P(PGM_P const fmt, Args... more) { SNPRINTF_P(str, SIZE, fmt, more...); debug(F("setf_P")); return *this; }
+  MString& setf_P(PGM_P const pfmt, Args... more) { SNPRINTF_P(str, SIZE, pfmt, more...); debug(F("setf_P")); return *this; }
 
   template<typename... Args>
-  MString& setf(const char *fmt, Args... more)   { SNPRINTF(str, SIZE, fmt, more...);   debug(F("setf"));   return *this; }
+  MString& setf(const char *fmt, Args... more) { SNPRINTF(str, SIZE, fmt, more...); debug(F("setf")); return *this; }
 
   template<typename... Args>
-  MString& setf(FSTR_P const fmt, Args... more)  { return setf_P(FTOP(fmt), more...); }
+  MString& setf(FSTR_P const ffmt, Args... more) { return setf_P(FTOP(ffmt), more...); }
 
   // Chainable String appenders
   MString& append()                           { debug(F("nil")); return *this; } // for macros that might emit no output
@@ -206,9 +206,9 @@ public:
   MString& append(const spaces_t &s) { return append(repchr_t(' ', s.count)); }
 
   template<typename... Args>
-  MString& appendf_P(PGM_P const fmt, Args... more) {
+  MString& appendf_P(PGM_P const pfmt, Args... more) {
     int sz = length();
-    if (sz < SIZE) SNPRINTF_P(str + sz, SIZE - sz, fmt, more...);
+    if (sz < SIZE) SNPRINTF_P(str + sz, SIZE - sz, pfmt, more...);
     debug(F("appendf_P"));
     return *this;
   }

Marlin/src/core/serial.h

@@ -271,13 +271,13 @@ public:
   SString& set() { super::set(); return *this; }
 
   template<typename... Args>
-  SString& setf_P(PGM_P const fmt, Args... more) { super::setf_P(fmt, more...); return *this; }
+  SString& setf_P(PGM_P const pfmt, Args... more) { super::setf_P(pfmt, more...); return *this; }
 
   template<typename... Args>
-  SString& setf(const char *fmt, Args... more)   { super::setf(fmt, more...); return *this; }
+  SString& setf(const char *fmt, Args... more)    { super::setf(fmt, more...); return *this; }
 
   template<typename... Args>
-  SString& setf(FSTR_P const fmt, Args... more)  { super::setf(fmt, more...); return *this; }
+  SString& setf(FSTR_P const ffmt, Args... more)  { super::setf(ffmt, more...); return *this; }
 
   template <typename T>
   SString& set(const T &v) { super::set(v); return *this; }

Marlin/src/core/types.h

@@ -46,6 +46,7 @@ template <class L, class R> struct IF<true, L, R> { typedef L type; };
 #define NUM_AXIS_ELEM(O)      NUM_AXIS_LIST(O.x, O.y, O.z, O.i, O.j, O.k, O.u, O.v, O.w)
 #define NUM_AXIS_DECL(T,V)    NUM_AXIS_LIST(T x=V, T y=V, T z=V, T i=V, T j=V, T k=V, T u=V, T v=V, T w=V)
 #define MAIN_AXIS_NAMES       NUM_AXIS_LIST(X, Y, Z, I, J, K, U, V, W)
+#define MAIN_AXIS_NAMES_LC    NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w)
 #define STR_AXES_MAIN         NUM_AXIS_GANG("X", "Y", "Z", STR_I, STR_J, STR_K, STR_U, STR_V, STR_W)
 
 #define LOGICAL_AXIS_GANG(E,V...)  NUM_AXIS_GANG(V) GANG_ITEM_E(E)
@@ -58,17 +59,21 @@ template <class L, class R> struct IF<true, L, R> { typedef L type; };
 #define LOGICAL_AXIS_ELEM(O)       LOGICAL_AXIS_LIST(O.e, O.x, O.y, O.z, O.i, O.j, O.k, O.u, O.v, O.w)
 #define LOGICAL_AXIS_DECL(T,V)     LOGICAL_AXIS_LIST(T e=V, T x=V, T y=V, T z=V, T i=V, T j=V, T k=V, T u=V, T v=V, T w=V)
 #define LOGICAL_AXIS_NAMES         LOGICAL_AXIS_LIST(E, X, Y, Z, I, J, K, U, V, W)
+#define LOGICAL_AXIS_NAMES_LC      LOGICAL_AXIS_LIST(e, x, y, z, i, j, k, u, v, w)
 #define LOGICAL_AXIS_MAP(F)        MAP(F, LOGICAL_AXIS_NAMES)
+#define LOGICAL_AXIS_MAP_LC(F)     MAP(F, LOGICAL_AXIS_NAMES_LC)
 #define STR_AXES_LOGICAL           LOGICAL_AXIS_GANG("E", "X", "Y", "Z", STR_I, STR_J, STR_K, STR_U, STR_V, STR_W)
 
 #if NUM_AXES
   #define NUM_AXES_SEP ,
   #define MAIN_AXIS_MAP(F)    MAP(F, MAIN_AXIS_NAMES)
+  #define MAIN_AXIS_MAP_LC(F) MAP(F, MAIN_AXIS_NAMES_LC)
   #define OPTARGS_NUM(T)      , NUM_AXIS_ARGS(T)
   #define OPTARGS_LOGICAL(T)  , LOGICAL_AXIS_ARGS(T)
 #else
   #define NUM_AXES_SEP
   #define MAIN_AXIS_MAP(F)
+  #define MAIN_AXIS_MAP_LC(F)
   #define OPTARGS_NUM(T)
   #define OPTARGS_LOGICAL(T)
 #endif
@@ -79,6 +84,7 @@ template <class L, class R> struct IF<true, L, R> { typedef L type; };
 #define NUM_AXIS_ARGS_(T)       NUM_AXIS_ARGS(T) NUM_AXES_SEP
 #define NUM_AXIS_ELEM_(T)       NUM_AXIS_ELEM(T) NUM_AXES_SEP
 #define MAIN_AXIS_NAMES_        MAIN_AXIS_NAMES NUM_AXES_SEP
+#define MAIN_AXIS_NAMES_LC_     MAIN_AXIS_NAMES_LC NUM_AXES_SEP
 
 #if LOGICAL_AXES
   #define LOGICAL_AXES_SEP ,
@@ -92,6 +98,7 @@ template <class L, class R> struct IF<true, L, R> { typedef L type; };
 #define LOGICAL_AXIS_ARGS_(T)       LOGICAL_AXIS_ARGS(T) LOGICAL_AXES_SEP
 #define LOGICAL_AXIS_ELEM_(T)       LOGICAL_AXIS_ELEM(T) LOGICAL_AXES_SEP
 #define LOGICAL_AXIS_NAMES_         LOGICAL_AXIS_NAMES LOGICAL_AXES_SEP
+#define LOGICAL_AXIS_NAMES_LC_      LOGICAL_AXIS_NAMES_LC LOGICAL_AXES_SEP
 
 #define SECONDARY_AXIS_GANG(V...) GANG_N(SECONDARY_AXES, V)
 #define SECONDARY_AXIS_CODE(V...) CODE_N(SECONDARY_AXES, V)
@@ -159,7 +166,7 @@ template <class L, class R> struct IF<true, L, R> { typedef L type; };
 // General Flags for some number of states
 template<size_t N>
 struct Flags {
-  typedef uvalue_t(N) flagbits_t;
+  typedef bits_t(N) flagbits_t;
   typedef struct { bool b0:1, b1:1, b2:1, b3:1, b4:1, b5:1, b6:1, b7:1; } N8;
   typedef struct { bool b0:1, b1:1, b2:1, b3:1, b4:1, b5:1, b6:1, b7:1, b8:1, b9:1, b10:1, b11:1, b12:1, b13:1, b14:1, b15:1; } N16;
   typedef struct { bool b0:1,  b1:1,  b2:1,  b3:1,  b4:1,  b5:1,  b6:1,  b7:1,  b8:1,  b9:1, b10:1, b11:1, b12:1, b13:1, b14:1, b15:1,
@@ -219,7 +226,7 @@ typedef struct {
 //
 //  - X_AXIS, Y_AXIS, and Z_AXIS should be used for axes in Cartesian space
 //  - A_AXIS, B_AXIS, and C_AXIS should be used for Steppers, corresponding to XYZ on Cartesians
-//  - X_HEAD, Y_HEAD, and Z_HEAD should be used for Steppers on Core kinematics
+//  - X_HEAD, Y_HEAD, and Z_HEAD should be used for axes on Core kinematics
 //
 enum AxisEnum : uint8_t {
 
@@ -603,9 +610,9 @@ struct XYZval {
   // If any element is true then it's true
   FI constexpr operator bool()  const { return 0 NUM_AXIS_GANG(|| x, || y, || z, || i, || j, || k, || u, || v, || w); }
   // Smallest element
-  FI constexpr T small()        const { return TERN(HAS_X_AXIS, _MIN(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w)), 0); }
+  FI constexpr T small()        const { return TERN0(HAS_X_AXIS, _MIN(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w))); }
   // Largest element
-  FI constexpr T large()        const { return TERN(HAS_X_AXIS, _MAX(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w)), 0); }
+  FI constexpr T large()        const { return TERN0(HAS_X_AXIS, _MAX(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w))); }
 
   // Explicit copy and copies with conversion
   FI constexpr XYZval<T>           copy() const { XYZval<T> o = *this; return o; }
@@ -1084,6 +1091,7 @@ public:
   FI bool toggle(const AxisEnum n) { TBI(bits, n); return TEST(bits, n); }
   FI void bset(const AxisEnum n) { SBI(bits, n); }
   FI void bclr(const AxisEnum n) { CBI(bits, n); }
+  FI void bset(const AxisEnum n, const bool b) { if (b) bset(n); else bclr(n); }
 
   // Accessor via an AxisEnum (or any integer) [index]
   FI bool operator[](const int n) const { return TEST(bits, n); }

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

@@ -46,10 +46,16 @@ BDS_Leveling bdl;
 #define DEBUG_OUT ENABLED(DEBUG_OUT_BD)
 #include "../../../core/debug_out.h"
 
-// M102 S-5   Read raw Calibrate data
-// M102 S-6   Start Calibrate
-// M102 S4    Set the adjustable Z height value (e.g., 'M102 S4' means it will do adjusting while the Z height <= 0.4mm , disable with 'M102 S0'.)
-// M102 S-1   Read sensor information
+/**
+ * M102 S<#> : Set adjustable Z height in 0.1mm units (10ths of a mm)
+ *             (e.g., 'M102 S4' enables adjusting for Z <= 0.4mm)
+ * M102 S0   : Disable adjustable Z height
+ *
+ * M102 S-1  : Read BDsensor version
+ * M102 S-2  : Read BDsensor distance value
+ * M102 S-5  : Read raw Calibration data
+ * M102 S-6  : Start Calibration
+ */
 
 #define MAX_BD_HEIGHT                 4.0f
 #define CMD_READ_VERSION              1016

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

@@ -765,7 +765,7 @@ void unified_bed_leveling::shift_mesh_height() {
 
       const grid_count_t point_num = (GRID_MAX_POINTS - count) + 1;
       SERIAL_ECHOLNPGM("Probing mesh point ", point_num, "/", GRID_MAX_POINTS, ".");
-      TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/%i"), GET_TEXT(MSG_PROBING_POINT), point_num, int(GRID_MAX_POINTS)));
+      TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/%i"), GET_TEXT_F(MSG_PROBING_POINT), point_num, int(GRID_MAX_POINTS)));
       TERN_(HAS_BACKLIGHT_TIMEOUT, ui.refresh_backlight_timeout());
 
       #if HAS_MARLINUI_MENU
@@ -1494,7 +1494,7 @@ void unified_bed_leveling::smart_fill_mesh() {
 
       for (uint8_t i = 0; i < 3; ++i) {
         SERIAL_ECHOLNPGM("Tilting mesh (", i + 1, "/3)");
-        TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/3"), GET_TEXT(MSG_LCD_TILTING_MESH), i + 1));
+        TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/3"), GET_TEXT_F(MSG_LCD_TILTING_MESH), i + 1));
 
         measured_z = probe.probe_at_point(points[i], i < 2 ? PROBE_PT_RAISE : PROBE_PT_LAST_STOW, param.V_verbosity);
         if ((abort_flag = isnan(measured_z))) break;
@@ -1550,7 +1550,7 @@ void unified_bed_leveling::smart_fill_mesh() {
           #endif
 
           SERIAL_ECHOLNPGM("Tilting mesh point ", point_num, "/", total_points, "\n");
-          TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/%i"), GET_TEXT(MSG_LCD_TILTING_MESH), point_num, total_points));
+          TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/%i"), GET_TEXT_F(MSG_LCD_TILTING_MESH), point_num, total_points));
 
           measured_z = probe.probe_at_point(rpos, parser.seen_test('E') ? PROBE_PT_STOW : PROBE_PT_RAISE, param.V_verbosity); // TODO: Needs error handling
 

Marlin/src/feature/fwretract.cpp

@@ -137,7 +137,7 @@ void FWRetract::retract(const bool retracting E_OPTARG(bool swapping/*=false*/))
     // Retract by moving from a faux E position back to the current E position
     current_retract[active_extruder] = base_retract;
     prepare_internal_move_to_destination(                 // set current from destination
-      settings.retract_feedrate_mm_s * TERN1(RETRACT_SYNC_MIXING, (MIXING_STEPPERS))
+      MUL_TERN(RETRACT_SYNC_MIXING, settings.retract_feedrate_mm_s, MIXING_STEPPERS)
     );
 
     // Is a Z hop set, and has the hop not yet been done?
@@ -165,8 +165,7 @@ void FWRetract::retract(const bool retracting E_OPTARG(bool swapping/*=false*/))
 
     // Recover E, set_current_to_destination
     prepare_internal_move_to_destination(
-      (swapping ? settings.swap_retract_recover_feedrate_mm_s : settings.retract_recover_feedrate_mm_s)
-      * TERN1(RETRACT_SYNC_MIXING, (MIXING_STEPPERS))
+      MUL_TERN(RETRACT_SYNC_MIXING, swapping ? settings.swap_retract_recover_feedrate_mm_s : settings.retract_recover_feedrate_mm_s, MIXING_STEPPERS)
     );
   }
 

Marlin/src/feature/leds/neopixel.h

@@ -130,7 +130,7 @@ public:
   }
 
   // Accessors
-  static uint16_t pixels() { return adaneo1.numPixels() * TERN1(NEOPIXEL2_INSERIES, 2); }
+  static uint16_t pixels() { return MUL_TERN(NEOPIXEL2_INSERIES, adaneo1.numPixels(), 2); }
 
   static uint32_t pixel_color(const uint16_t n) {
     #if ENABLED(NEOPIXEL2_INSERIES)

Marlin/src/feature/pause.h

@@ -57,9 +57,7 @@ enum PauseMessage : char {
 };
 
 #if M600_PURGE_MORE_RESUMABLE
-  /**
-   * Input methods can Purge More, Resume, or request input
-   */
+  // Input methods can Purge More, Resume, or request input
   enum PauseMenuResponse : char {
     PAUSE_RESPONSE_WAIT_FOR,
     PAUSE_RESPONSE_EXTRUDE_MORE,
@@ -109,7 +107,7 @@ void wait_for_confirmation(
 void resume_print(
   const_float_t   slow_load_length=0,                         // (mm) Slow Load Length for finishing move
   const_float_t   fast_load_length=0,                         // (mm) Fast Load Length for initial move
-  const_float_t   extrude_length=ADVANCED_PAUSE_PURGE_LENGTH, // (mm) Purge length
+  const_float_t   purge_length=ADVANCED_PAUSE_PURGE_LENGTH,   // (mm) Purge length
   const int8_t    max_beep_count=0,                           // Beep alert for attention
   const celsius_t targetTemp=0                                // (°C) A target temperature for the hotend
   DXC_PARAMS                                                  // Dual-X-Carriage extruder index
@@ -118,7 +116,7 @@ void resume_print(
 bool load_filament(
   const_float_t   slow_load_length=0,                         // (mm) Slow Load Length for finishing move
   const_float_t   fast_load_length=0,                         // (mm) Fast Load Length for initial move
-  const_float_t   extrude_length=0,                           // (mm) Purge length
+  const_float_t   purge_length=0,                             // (mm) Purge length
   const int8_t    max_beep_count=0,                           // Beep alert for attention
   const bool      show_lcd=false,                             // Set LCD status messages?
   const bool      pause_for_user=false,                       // Pause for user before returning?

Marlin/src/feature/stepper_driver_safety.cpp

@@ -31,7 +31,7 @@ static uint32_t axis_plug_backward = 0;
 void stepper_driver_backward_error(FSTR_P const fstr) {
   SERIAL_ERROR_START();
   SERIAL_ECHOLN(fstr, F(" driver is backward!"));
-  ui.status_printf(2, F(S_FMT S_FMT), FTOP(fstr), GET_TEXT(MSG_DRIVER_BACKWARD));
+  ui.status_printf(2, F(S_FMT S_FMT), FTOP(fstr), GET_TEXT_F(MSG_DRIVER_BACKWARD));
 }
 
 void stepper_driver_backward_check() {

Marlin/src/gcode/bedlevel/G42.cpp

@@ -32,6 +32,12 @@
 
 /**
  * G42: Move X & Y axes to mesh coordinates (I & J)
+ *
+ * Parameters:
+ *   F<feedrate> : Feedrate in mm/min
+ *   I<index>    : X axis point index
+ *   J<index>    : Y axis point index
+ *   P<bool>     : Flag to put the prove at the given point
  */
 void GcodeSuite::G42() {
   if (MOTION_CONDITIONS) {

Marlin/src/gcode/bedlevel/abl/G29.cpp

@@ -683,7 +683,7 @@ G29_TYPE GcodeSuite::G29() {
           if (TERN0(IS_KINEMATIC, !probe.can_reach(abl.probePos))) continue;
 
           if (abl.verbose_level) SERIAL_ECHOLNPGM("Probing mesh point ", pt_index, "/", abl.abl_points, ".");
-          TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/%i"), GET_TEXT(MSG_PROBING_POINT), int(pt_index), int(abl.abl_points)));
+          TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/%i"), GET_TEXT_F(MSG_PROBING_POINT), int(pt_index), int(abl.abl_points)));
 
           #if ENABLED(BD_SENSOR_PROBE_NO_STOP)
             if (PR_INNER_VAR == inStart) {
@@ -782,7 +782,7 @@ G29_TYPE GcodeSuite::G29() {
 
       for (uint8_t i = 0; i < 3; ++i) {
         if (abl.verbose_level) SERIAL_ECHOLNPGM("Probing point ", i + 1, "/3.");
-        TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/3"), GET_TEXT(MSG_PROBING_POINT), int(i + 1)));
+        TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/3"), GET_TEXT_F(MSG_PROBING_POINT), int(i + 1)));
 
         // Retain the last probe position
         abl.probePos = xy_pos_t(points[i]);

Marlin/src/gcode/bedlevel/mbl/G29.cpp

@@ -253,7 +253,7 @@ void GcodeSuite::G29() {
 
   if (state == MeshNext) {
     SERIAL_ECHOLNPGM("MBL G29 point ", _MIN(mbl_probe_index, GRID_MAX_POINTS), " of ", GRID_MAX_POINTS);
-    if (mbl_probe_index > 0) TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/%i"), GET_TEXT(MSG_PROBING_POINT), _MIN(mbl_probe_index, GRID_MAX_POINTS), int(GRID_MAX_POINTS)));
+    if (mbl_probe_index > 0) TERN_(HAS_STATUS_MESSAGE, ui.status_printf(0, F(S_FMT " %i/%i"), GET_TEXT_F(MSG_PROBING_POINT), _MIN(mbl_probe_index, GRID_MAX_POINTS), int(GRID_MAX_POINTS)));
   }
 
   report_current_position();

Marlin/src/gcode/calibrate/M48.cpp

@@ -149,7 +149,7 @@ void GcodeSuite::M48() {
     for (uint8_t n = 0; n < n_samples; ++n) {
       #if HAS_STATUS_MESSAGE
         // Display M48 progress in the status bar
-        ui.status_printf(0, F(S_FMT ": %d/%d"), GET_TEXT(MSG_M48_POINT), int(n + 1), int(n_samples));
+        ui.status_printf(0, F(S_FMT ": %d/%d"), GET_TEXT_F(MSG_M48_POINT), int(n + 1), int(n_samples));
       #endif
 
       // When there are "legs" of movement move around the point before probing

Marlin/src/gcode/control/M10_M11.cpp

@@ -20,6 +20,11 @@
  *
  */
 
+/**
+ * gcode/control/M10_M11.cpp
+ * Air Evacuation
+ */
+
 #include "../../inc/MarlinConfig.h"
 
 #if ENABLED(AIR_EVACUATION)

Marlin/src/gcode/feature/digipot/M907-M910.cpp

@@ -68,7 +68,7 @@ void GcodeSuite::M907() {
       #define HAS_X_Y_XY_I_J_K_U_V_W 1
     #endif
 
-    #if HAS_X_Y_XY_I_J_K_U_V_W || ANY_PIN(MOTOR_CURRENT_PWM_E, MOTOR_CURRENT_PWM_Z)
+    #if HAS_X_Y_XY_I_J_K_U_V_W || HAS_MOTOR_CURRENT_PWM_E || PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
 
       if (!parser.seen("S"
         #if HAS_X_Y_XY_I_J_K_U_V_W
@@ -77,7 +77,7 @@ void GcodeSuite::M907() {
         #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
           "Z"
         #endif
-        #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+        #if HAS_MOTOR_CURRENT_PWM_E
           "E"
         #endif
       )) return M907_report();
@@ -94,7 +94,7 @@ void GcodeSuite::M907() {
       #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
         if (parser.seenval('Z')) stepper.set_digipot_current(1, parser.value_int());
       #endif
-      #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+      #if HAS_MOTOR_CURRENT_PWM_E
         if (parser.seenval('E')) stepper.set_digipot_current(2, parser.value_int());
       #endif
 
@@ -133,7 +133,7 @@ void GcodeSuite::M907() {
       SERIAL_ECHOLNPGM_P(                                     // PWM-based has 3 values:
           PSTR("  M907 X"), stepper.motor_current_setting[0]  // X, Y, (I, J, K, U, V, W)
         , SP_Z_STR,         stepper.motor_current_setting[1]  // Z
-        #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+        #if HAS_MOTOR_CURRENT_PWM_E
           , SP_E_STR,       stepper.motor_current_setting[2]  // E
         #endif
       );

Marlin/src/gcode/feature/input_shaping/M593.cpp

@@ -44,6 +44,15 @@ void GcodeSuite::M593_report(const bool forReplay/*=true*/) {
       " D", stepper.get_shaping_damping_ratio(Y_AXIS)
     );
   #endif
+  #if ENABLED(INPUT_SHAPING_Z)
+    #if ANY(INPUT_SHAPING_X, INPUT_SHAPING_Y)
+      report_echo_start(forReplay);
+    #endif
+    SERIAL_ECHOLNPGM("  M593 Z"
+      " F", stepper.get_shaping_frequency(Z_AXIS),
+      " D", stepper.get_shaping_damping_ratio(Z_AXIS)
+    );
+  #endif
 }
 
 /**
@@ -59,14 +68,17 @@ void GcodeSuite::M593() {
 
   const bool seen_X = TERN0(INPUT_SHAPING_X, parser.seen_test('X')),
              seen_Y = TERN0(INPUT_SHAPING_Y, parser.seen_test('Y')),
-             for_X = seen_X || TERN0(INPUT_SHAPING_X, (!seen_X && !seen_Y)),
-             for_Y = seen_Y || TERN0(INPUT_SHAPING_Y, (!seen_X && !seen_Y));
+             seen_Z = TERN0(INPUT_SHAPING_Z, parser.seen_test('Z')),
+             for_X = seen_X || TERN0(INPUT_SHAPING_X, (!seen_X && !seen_Y && !seen_Z)),
+             for_Y = seen_Y || TERN0(INPUT_SHAPING_Y, (!seen_X && !seen_Y && !seen_Z)),
+             for_Z = seen_Z || TERN0(INPUT_SHAPING_Z, (!seen_X && !seen_Y && !seen_Z));
 
   if (parser.seen('D')) {
     const float zeta = parser.value_float();
     if (WITHIN(zeta, 0, 1)) {
       if (for_X) stepper.set_shaping_damping_ratio(X_AXIS, zeta);
       if (for_Y) stepper.set_shaping_damping_ratio(Y_AXIS, zeta);
+      if (for_Z) stepper.set_shaping_damping_ratio(Z_AXIS, zeta);
     }
     else
       SERIAL_ECHO_MSG("?Zeta (D) value out of range (0-1)");
@@ -78,6 +90,7 @@ void GcodeSuite::M593() {
     if (freq == 0.0f || freq > min_freq) {
       if (for_X) stepper.set_shaping_frequency(X_AXIS, freq);
       if (for_Y) stepper.set_shaping_frequency(Y_AXIS, freq);
+      if (for_Z) stepper.set_shaping_frequency(Z_AXIS, freq);
     }
     else
       SERIAL_ECHOLNPGM(GCODE_ERR_MSG("Frequency (F) must be greater than ", min_freq, " or 0 to disable"));

Marlin/src/gcode/feature/powerloss/M413.cpp

@@ -72,6 +72,7 @@ void GcodeSuite::M413_report(const bool forReplay/*=true*/) {
       , " B", recovery.bed_temp_threshold
     #endif
   );
+  SERIAL_ECHO(" ; ");
   serialprintln_onoff(recovery.enabled);
 }
 

Marlin/src/gcode/gcode.h

@@ -143,7 +143,7 @@
  *        R<temp> Wait for extruder current temp to reach target temp. ** Wait for heating or cooling. **
  *        If AUTOTEMP is enabled, S<mintemp> B<maxtemp> F<factor>. Exit autotemp by any M109 without F
  *
- * M110 - Set the current line number. (Used by host printing)
+ * M110 - Get or set the current line number. (Used by host printing)
  * M111 - Set debug flags: "M111 S<flagbits>". See flag bits defined in enum.h.
  * M112 - Full Shutdown.
  *

Marlin/src/gcode/host/M110.cpp

@@ -24,11 +24,19 @@
 #include "../queue.h" // for last_N
 
 /**
- * M110: Set Current Line Number
+ * M110: Get or set Current Line Number
+ *
+ * Parameters:
+ *   N<int>  Number to set as last-processed command
+ *
+ * Without parameters:
+ *   Report the last-processed (not last-received or last-enqueued) command
+ *   (To purge the queue and resume from this line, the host should use 'M999' instead.)
  */
 void GcodeSuite::M110() {
 
   if (parser.seenval('N'))
     queue.set_current_line_number(parser.value_long());
-
+  else
+    SERIAL_ECHOLNPGM(STR_LINE_NO, queue.get_current_line_number());
 }

Marlin/src/gcode/probe/G38.cpp

@@ -55,7 +55,7 @@ inline bool G38_run_probe() {
     }
   #endif
 
-  planner.synchronize();  // wait until the machine is idle
+  planner.synchronize(); // Wait until the machine is idle
 
   // Move flag value
   #if ENABLED(G38_PROBE_AWAY)

Marlin/src/gcode/probe/M951.cpp

@@ -54,6 +54,21 @@ void mpe_settings_init() {
   mpe_settings_report();
 }
 
+/**
+ * M951: Magnetic Parking Extruder
+ *
+ * Parameters:
+ *   L<linear>    : Set X[0] position
+ *   R<linear>    : Set X[1] position
+ *   I<linear>    : Set grab distance
+ *   J<feedrate>  : Set slow feedrate
+ *   H<feedrate>  : Set fast feedrate
+ *   D<feedrate>  : Set travel feedrate
+ *   C<factor>    : Set compensation factor
+ *
+ * With no parameters report the current settings.
+ *
+ */
 void GcodeSuite::M951() {
   if (parser.seenval('L')) mpe_settings.parking_xpos[0] = parser.value_linear_units();
   if (parser.seenval('R')) mpe_settings.parking_xpos[1] = parser.value_linear_units();

Marlin/src/gcode/queue.h

@@ -212,6 +212,11 @@ public:
    */
   static void set_current_line_number(long n) { serial_state[ring_buffer.command_port().index].last_N = n; }
 
+  /**
+   * Get the current line number for the last received command
+   */
+  static long get_current_line_number() { return serial_state[ring_buffer.command_port().index].last_N; }
+
   #if ENABLED(BUFFER_MONITORING)
 
     private:

Marlin/src/gcode/temp/M306.cpp

@@ -49,7 +49,7 @@
  */
 
 void GcodeSuite::M306() {
-  const uint8_t e = TERN(HAS_MULTI_EXTRUDER, parser.intval('E', active_extruder), 0);
+  const uint8_t e = TERN0(HAS_MULTI_EXTRUDER, parser.intval('E', active_extruder));
   if (e >= (EXTRUDERS)) {
     SERIAL_ECHOLNPGM("?(E)xtruder index out of range (0-", (EXTRUDERS) - 1, ").");
     return;

Marlin/src/gcode/temp/M86_M87.cpp

@@ -21,7 +21,7 @@
  */
 
 /**
- * gcode/temp/M86-M87.cpp
+ * gcode/temp/M86_M87.cpp
  *
  * Hotend Idle Timeout
  */

Marlin/src/inc/Conditionals_LCD.h

@@ -893,10 +893,11 @@
   #endif
 #endif
 
-// FSMC/SPI TFT Panels (LVGL)
+// FSMC/SPI TFT Panels (LVGL) with encoder click wheel
 #if ENABLED(TFT_LVGL_UI)
   #define HAS_TFT_LVGL_UI 1
   #define SERIAL_RUNTIME_HOOK 1
+  #define STD_ENCODER_PULSES_PER_STEP 4
 #endif
 
 // FSMC/SPI TFT Panels
@@ -976,6 +977,17 @@
   #define DETECT_I2C_LCD_DEVICE 1
 #endif
 
+/**
+ * Ender-3 V2 DWIN with Encoder
+ */
+#if ANY(DWIN_CREALITY_LCD, DWIN_LCD_PROUI)
+  #define HAS_DWIN_E3V2_BASIC 1
+#endif
+#if ANY(HAS_DWIN_E3V2_BASIC, DWIN_CREALITY_LCD_JYERSUI)
+  #define HAS_DWIN_E3V2 1
+  #define STD_ENCODER_PULSES_PER_STEP 4
+#endif
+
 // Encoder behavior
 #ifndef STD_ENCODER_PULSES_PER_STEP
   #if ENABLED(TOUCH_SCREEN)
@@ -997,10 +1009,12 @@
   #define ENCODER_FEEDRATE_DEADZONE 6
 #endif
 
-// Shift register panels
-// ---------------------
-// 2 wire Non-latching LCD SR from:
-// https://github.com/fmalpartida/New-LiquidCrystal/wiki/schematics#user-content-ShiftRegister_connection
+/**
+ * Shift register panels
+ * ---------------------
+ * 2 wire Non-latching LCD SR from:
+ * https://github.com/fmalpartida/New-LiquidCrystal/wiki/schematics#user-content-ShiftRegister_connection
+ */
 #if ENABLED(FF_INTERFACEBOARD)
   #define SR_LCD_3W_NL    // Non latching 3 wire shift register
   #define IS_ULTIPANEL 1
@@ -1040,11 +1054,6 @@
   #define EXTENSIBLE_UI
 #endif
 
-// Aliases for LCD features
-#if ANY(DWIN_CREALITY_LCD, DWIN_LCD_PROUI, DWIN_CREALITY_LCD_JYERSUI)
-  #define HAS_DWIN_E3V2 1
-#endif
-
 // E3V2 extras
 #if HAS_DWIN_E3V2 || IS_DWIN_MARLINUI
   #define SERIAL_CATCHALL 0
@@ -1594,8 +1603,6 @@
 #endif
 #if CORE_IS_XY || CORE_IS_XZ || CORE_IS_YZ
   #define IS_CORE 1
-#endif
-#if IS_CORE
   #if CORE_IS_XY
     #define CORE_AXIS_1 A_AXIS
     #define CORE_AXIS_2 B_AXIS

Marlin/src/inc/Conditionals_adv.h

@@ -112,8 +112,8 @@
   #undef DISABLE_IDLE_X
   #undef INPUT_SHAPING_X
   #undef SAFE_BED_LEVELING_START_X
-  #undef SHAPING_BUFFER_X
   #undef SHAPING_FREQ_X
+  #undef SHAPING_ZETA_X
   #undef STEALTHCHOP_X
 #endif
 
@@ -128,8 +128,8 @@
   #undef INPUT_SHAPING_Y
   #undef QUICK_HOME
   #undef SAFE_BED_LEVELING_START_Y
-  #undef SHAPING_BUFFER_Y
   #undef SHAPING_FREQ_Y
+  #undef SHAPING_ZETA_Y
   #undef STEALTHCHOP_Y
   #undef STEP_STATE_Y
 #endif
@@ -142,8 +142,11 @@
   #undef ENABLE_LEVELING_FADE_HEIGHT
   #undef HOME_Z_FIRST
   #undef HOMING_Z_WITH_PROBE
+  #undef INPUT_SHAPING_Z
   #undef NUM_Z_STEPPERS
   #undef SAFE_BED_LEVELING_START_Z
+  #undef SHAPING_FREQ_Z
+  #undef SHAPING_ZETA_Z
   #undef STEALTHCHOP_Z
   #undef STEP_STATE_Z
   #undef Z_IDLE_HEIGHT
@@ -954,6 +957,12 @@
   #define HAS_MOTOR_CURRENT_I2C 1
 #endif
 
+#if ENABLED(DUAL_X_CARRIAGE)
+  #ifndef INVERT_X2_DIR
+    #define INVERT_X2_DIR INVERT_X_DIR
+  #endif
+#endif
+
 // X2 but not IDEX => Dual Synchronized X Steppers
 #if defined(X2_DRIVER_TYPE) && DISABLED(DUAL_X_CARRIAGE)
   #define HAS_SYNCED_X_STEPPERS 1
@@ -1179,7 +1188,7 @@
   #elif HAS_DRIVER(A4988)
     #define MINIMUM_STEPPER_POST_DIR_DELAY 200
   #elif HAS_TRINAMIC_CONFIG || HAS_TRINAMIC_STANDALONE
-    #define MINIMUM_STEPPER_POST_DIR_DELAY 70
+    #define MINIMUM_STEPPER_POST_DIR_DELAY 100
   #else
     #define MINIMUM_STEPPER_POST_DIR_DELAY 0   // Expect at least 10µS since one Stepper ISR must transpire
   #endif
@@ -1305,7 +1314,8 @@
  * currently HAL.h must be included ahead of pins.h.
  */
 #if LCD_IS_SERIAL_HOST && !defined(LCD_SERIAL_PORT)
-  #if MB(MKS_MONSTER8_V1, BTT_SKR_MINI_E3_V1_0, BTT_SKR_MINI_E3_V1_2, BTT_SKR_MINI_E3_V2_0, BTT_SKR_MINI_E3_V3_0, BTT_SKR_MINI_E3_V3_0_1, BTT_SKR_E3_TURBO, BTT_OCTOPUS_V1_1, AQUILA_V101)
+  #if MB(MKS_MONSTER8_V1, BTT_SKR_MINI_E3_V1_0, BTT_SKR_MINI_E3_V1_2, BTT_SKR_MINI_E3_V2_0, BTT_SKR_MINI_E3_V3_0, BTT_SKR_MINI_E3_V3_0_1, BTT_SKR_E3_TURBO, BTT_OCTOPUS_V1_1, BTT_SKR_V3_0, BTT_SKR_V3_0_EZ, AQUILA_V101)
+
     #define LCD_SERIAL_PORT 1
   #elif MB(CREALITY_V24S1_301, CREALITY_V24S1_301F4, CREALITY_F401RE, CREALITY_V423, CREALITY_CR4NTXXC10, MKS_ROBIN, PANOWIN_CUTLASS, KODAMA_BARDO)
     #define LCD_SERIAL_PORT 2
@@ -1331,7 +1341,7 @@
 #endif
 
 // Input shaping
-#if ANY(INPUT_SHAPING_X, INPUT_SHAPING_Y)
+#if ANY(INPUT_SHAPING_X, INPUT_SHAPING_Y, INPUT_SHAPING_Z)
   #define HAS_ZV_SHAPING 1
 #endif
 

Marlin/src/inc/Conditionals_post.h

@@ -2814,7 +2814,7 @@
 #if PIN_EXISTS(DIGIPOTSS)
   #define HAS_MOTOR_CURRENT_SPI 1
 #endif
-#if HAS_EXTRUDERS && PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+#if ANY_PIN(MOTOR_CURRENT_PWM_E, MOTOR_CURRENT_PWM_E0, MOTOR_CURRENT_PWM_E1)
   #define HAS_MOTOR_CURRENT_PWM_E 1
 #endif
 #if HAS_MOTOR_CURRENT_PWM_E || ANY_PIN(MOTOR_CURRENT_PWM_X, MOTOR_CURRENT_PWM_Y, MOTOR_CURRENT_PWM_XY, MOTOR_CURRENT_PWM_Z, MOTOR_CURRENT_PWM_I, MOTOR_CURRENT_PWM_J, MOTOR_CURRENT_PWM_K, MOTOR_CURRENT_PWM_U, MOTOR_CURRENT_PWM_V, MOTOR_CURRENT_PWM_W)

Marlin/src/inc/MarlinConfig.h

@@ -52,8 +52,6 @@
   #include HAL_PATH(.., inc/Conditionals_type.h)
 
   #include "Changes.h"
-  #include "SanityCheck.h"
-  #include HAL_PATH(.., inc/SanityCheck.h)
 
   // Include all core headers
   #include "../core/language.h"
@@ -65,3 +63,8 @@
 #endif
 
 #include "../core/multi_language.h"
+
+#ifndef __MARLIN_DEPS__
+  #include "SanityCheck.h"
+  #include HAL_PATH(.., inc/SanityCheck.h)
+#endif

Marlin/src/inc/SanityCheck.h

@@ -235,9 +235,11 @@ static_assert(COUNT(arm) == LOGICAL_AXES, "AXIS_RELATIVE_MODES must contain " _L
   #error "SERIAL_XON_XOFF and SERIAL_STATS_* features not supported on USB-native AVR devices."
 #endif
 
-// Serial DMA is only available for some STM32 MCUs
+// Serial DMA is only available for some STM32 MCUs and HC32
 #if ENABLED(SERIAL_DMA)
-  #if !HAL_STM32 || NONE(STM32F0xx, STM32F1xx, STM32F2xx, STM32F4xx, STM32F7xx)
+  #if defined(ARDUINO_ARCH_HC32)
+    // checks for HC32 are located in HAL/HC32/inc/SanityCheck.h
+  #elif !HAL_STM32 || NONE(STM32F0xx, STM32F1xx, STM32F2xx, STM32F4xx, STM32F7xx)
     #error "SERIAL_DMA is only available for some STM32 MCUs and requires HAL/STM32."
   #elif !defined(HAL_UART_MODULE_ENABLED) || defined(HAL_UART_MODULE_ONLY)
     #error "SERIAL_DMA requires STM32 platform HAL UART (without HAL_UART_MODULE_ONLY)."
@@ -386,8 +388,8 @@ static_assert(COUNT(arm) == LOGICAL_AXES, "AXIS_RELATIVE_MODES must contain " _L
 /**
  * Custom Boot and Status screens
  */
-#if ENABLED(SHOW_CUSTOM_BOOTSCREEN) && NONE(HAS_MARLINUI_U8GLIB, TOUCH_UI_FTDI_EVE, IS_DWIN_MARLINUI)
-  #error "SHOW_CUSTOM_BOOTSCREEN requires Graphical LCD or TOUCH_UI_FTDI_EVE."
+#if ENABLED(SHOW_CUSTOM_BOOTSCREEN) && NONE(HAS_MARLINUI_HD44780, HAS_MARLINUI_U8GLIB, TOUCH_UI_FTDI_EVE, IS_DWIN_MARLINUI)
+  #error "SHOW_CUSTOM_BOOTSCREEN requires Character LCD, Graphical LCD, or TOUCH_UI_FTDI_EVE."
 #elif ENABLED(SHOW_CUSTOM_BOOTSCREEN) && DISABLED(SHOW_BOOTSCREEN)
   #error "SHOW_CUSTOM_BOOTSCREEN requires SHOW_BOOTSCREEN."
 #elif ENABLED(CUSTOM_STATUS_SCREEN_IMAGE) && !HAS_MARLINUI_U8GLIB
@@ -831,6 +833,16 @@ static_assert(COUNT(arm) == LOGICAL_AXES, "AXIS_RELATIVE_MODES must contain " _L
   #endif
 #endif
 
+/**
+ * S_CURVE_ACCELERATION
+ */
+#if ENABLED(S_CURVE_ACCELERATION) && defined(S_CURVE_FACTOR)
+  #if defined(__AVR__)
+    #error "S_CURVE_FACTOR is not implemented for AVR yet"
+  #endif
+  static_assert(WITHIN(S_CURVE_FACTOR, 0, 1), "S_CURVE_FACTOR must be from 0 to 1");
+#endif
+
 /**
  * Nonlinear Extrusion requirements
  */
@@ -1543,6 +1555,9 @@ static_assert(NUM_SERVOS <= NUM_SERVO_PLUGS, "NUM_SERVOS (or some servo index) i
       #error "BED_TRAMMING_USE_PROBE is incompatible with SENSORLESS_PROBING."
     #endif
   #endif
+  static_assert(BED_TRAMMING_Z_HOP >= 0, "BED_TRAMMING_Z_HOP must be >= 0.");
+#elif ANY(DGUS_LCD_UI_RELOADED, DGUS_LCD_UI_E3S1PRO)
+  #error "LCD_BED_TRAMMING is required for the selected display."
 #endif
 
 /**
@@ -1827,8 +1842,8 @@ static_assert(NUM_SERVOS <= NUM_SERVO_PLUGS, "NUM_SERVOS (or some servo index) i
 #if ENABLED(DUAL_X_CARRIAGE)
   #if EXTRUDERS < 2
     #error "DUAL_X_CARRIAGE requires 2 (or more) extruders."
-  #elif ANY(CORE_IS_XY, CORE_IS_XZ, MARKFORGED_XY, MARKFORGED_YX)
-    #error "DUAL_X_CARRIAGE cannot be used with COREXY, COREYX, COREXZ, COREZX, MARKFORGED_YX, or MARKFORGED_XY."
+  //#elif ANY(CORE_IS_XY, CORE_IS_XZ, MARKFORGED_XY, MARKFORGED_YX)
+    //#error "DUAL_X_CARRIAGE cannot be used with COREXY, COREYX, COREXZ, COREZX, MARKFORGED_YX, or MARKFORGED_XY."
   #elif !GOOD_AXIS_PINS(X2)
     #error "DUAL_X_CARRIAGE requires X2 stepper pins to be defined."
   #elif !USE_X_MAX
@@ -1837,6 +1852,8 @@ static_assert(NUM_SERVOS <= NUM_SERVO_PLUGS, "NUM_SERVOS (or some servo index) i
     #error "DUAL_X_CARRIAGE requires X2_HOME_POS, X2_MIN_POS, and X2_MAX_POS."
   #elif X_HOME_TO_MAX
     #error "DUAL_X_CARRIAGE requires X_HOME_DIR -1."
+  #elif (X2_HOME_POS <= X1_MAX_POS) || (X2_MAX_POS < X1_MAX_POS)
+    #error "DUAL_X_CARRIAGE will crash if X1 can meet or exceed X2 travel."
   #endif
 #endif
 
@@ -2696,6 +2713,28 @@ static_assert(NUM_SERVOS <= NUM_SERVO_PLUGS, "NUM_SERVOS (or some servo index) i
 #undef IS_U8GLIB_SSD1306
 #undef IS_EXTUI
 
+/**
+ * Make sure LCD language settings are distinct
+ */
+#if NUM_LANGUAGES > 1
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_2), STRINGIFY(LCD_LANGUAGE)), "Error: LCD_LANGUAGE_2 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE.");
+#endif
+#if NUM_LANGUAGES > 2
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_3), STRINGIFY(LCD_LANGUAGE)), "Error: LCD_LANGUAGE_3 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE.");
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_3), STRINGIFY(LCD_LANGUAGE_2)), "Error: LCD_LANGUAGE_3 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE_2.");
+#endif
+#if NUM_LANGUAGES > 3
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_4), STRINGIFY(LCD_LANGUAGE)), "Error: LCD_LANGUAGE_4 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE.");
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_4), STRINGIFY(LCD_LANGUAGE_2)), "Error: LCD_LANGUAGE_4 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE_2.");
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_4), STRINGIFY(LCD_LANGUAGE_3)), "Error: LCD_LANGUAGE_4 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE_3.");
+#endif
+#if NUM_LANGUAGES > 4
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_5), STRINGIFY(LCD_LANGUAGE)), "Error: LCD_LANGUAGE_5 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE.");
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_5), STRINGIFY(LCD_LANGUAGE_2)), "Error: LCD_LANGUAGE_5 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE_2.");
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_5), STRINGIFY(LCD_LANGUAGE_3)), "Error: LCD_LANGUAGE_5 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE_3.");
+  static_assert(strcmp(STRINGIFY(LCD_LANGUAGE_5), STRINGIFY(LCD_LANGUAGE_4)), "Error: LCD_LANGUAGE_5 (" STRINGIFY(LCD_LANGUAGE) ") cannot be the same as LCD_LANGUAGE_4.");
+#endif
+
 #if ANY(TFT_GENERIC, MKS_TS35_V2_0, MKS_ROBIN_TFT24, MKS_ROBIN_TFT28, MKS_ROBIN_TFT32, MKS_ROBIN_TFT35, MKS_ROBIN_TFT43, MKS_ROBIN_TFT_V1_1R, \
         TFT_TRONXY_X5SA, ANYCUBIC_TFT35, ANYCUBIC_TFT35, LONGER_LK_TFT28, ANET_ET4_TFT28, ANET_ET5_TFT35, BIQU_BX_TFT70, BTT_TFT35_SPI_V1_0)
   #if NONE(TFT_COLOR_UI, TFT_CLASSIC_UI, TFT_LVGL_UI)
@@ -3178,7 +3217,7 @@ static_assert(NUM_SERVOS <= NUM_SERVO_PLUGS, "NUM_SERVOS (or some servo index) i
         #endif
       #elif Y_HOME_TO_MAX && Y_MAX_ENDSTOP_HIT_STATE != _HIT_STATE
         #if _HIT_STATE
-          #error "SENSORLESS_HOMING requires Y_MAX_ENDSTOP_HIT_STATE HIGH for Y MAX homing with TMC2209."
+          //#error "SENSORLESS_HOMING requires Y_MAX_ENDSTOP_HIT_STATE HIGH for Y MAX homing with TMC2209."
         #else
           #error "SENSORLESS_HOMING requires Y_MAX_ENDSTOP_HIT_STATE LOW for Y MAX homing."
         #endif
@@ -3344,8 +3383,8 @@ static_assert(NUM_SERVOS <= NUM_SERVO_PLUGS, "NUM_SERVOS (or some servo index) i
   #error "CoreXZ requires both X and Z to use sensorless homing if either one does."
 #elif CORE_IS_YZ && Y_SENSORLESS != Z_SENSORLESS && !HOMING_Z_WITH_PROBE
   #error "CoreYZ requires both Y and Z to use sensorless homing if either one does."
-#elif ANY(MARKFORGED_XY, MARKFORGED_YX) && X_SENSORLESS != Y_SENSORLESS
-  #error "MARKFORGED requires both X and Y to use sensorless homing if either one does."
+//#elif ANY(MARKFORGED_XY, MARKFORGED_YX) && X_SENSORLESS != Y_SENSORLESS
+  //#error "MARKFORGED requires both X and Y to use sensorless homing if either one does."
 #endif
 
 // TMC Hybrid Threshold
@@ -3935,11 +3974,11 @@ static_assert(_PLUS_TEST(3), "DEFAULT_MAX_ACCELERATION values must be positive."
   #if !(defined(WIFI_SSID) && defined(WIFI_PWD))
     #error "ESP32 motherboard with WIFISUPPORT requires WIFI_SSID and WIFI_PWD."
   #endif
-#elif ENABLED(WIFI_CUSTOM_COMMAND)
+#elif ENABLED(WIFI_CUSTOM_COMMAND) && NONE(ESP3D_WIFISUPPORT, WIFISUPPORT)
   #error "WIFI_CUSTOM_COMMAND requires an ESP32 motherboard and WIFISUPPORT."
-#elif ENABLED(OTASUPPORT)
+#elif ENABLED(OTASUPPORT) && NONE(ESP3D_WIFISUPPORT, WIFISUPPORT)
   #error "OTASUPPORT requires an ESP32 motherboard and WIFISUPPORT."
-#elif defined(WIFI_SSID) || defined(WIFI_PWD)
+#elif (defined(WIFI_SSID) || defined(WIFI_PWD)) && NONE(ESP3D_WIFISUPPORT, WIFISUPPORT)
   #error "WIFI_SSID and WIFI_PWD only apply to ESP32 motherboard with WIFISUPPORT."
 #endif
 
@@ -4179,7 +4218,12 @@ static_assert(_PLUS_TEST(3), "DEFAULT_MAX_ACCELERATION values must be positive."
  */
 #if HAS_ZV_SHAPING
   #if ENABLED(DELTA)
-    #error "Input Shaping is not compatible with DELTA kinematics."
+    #if !ALL(INPUT_SHAPING_X, INPUT_SHAPING_Y, INPUT_SHAPING_Z)
+      #error "INPUT_SHAPING_X, INPUT_SHAPING_Y and INPUT_SHAPING_Z must all be enabled for DELTA."
+    #else
+      static_assert(SHAPING_FREQ_X == SHAPING_FREQ_Y && SHAPING_FREQ_Y == SHAPING_FREQ_Z, "SHAPING_FREQ_X, SHAPING_FREQ_Y and SHAPING_FREQ_Z must be the same for DELTA.");
+      static_assert(SHAPING_ZETA_X == SHAPING_ZETA_Y && SHAPING_ZETA_Y == SHAPING_ZETA_Z, "SHAPING_ZETA_X, SHAPING_ZETA_Y and SHAPING_ZETA_Z must be the same for DELTA.");
+    #endif
   #elif ENABLED(SCARA)
     #error "Input Shaping is not compatible with SCARA kinematics."
   #elif ENABLED(TPARA)
@@ -4191,9 +4235,19 @@ static_assert(_PLUS_TEST(3), "DEFAULT_MAX_ACCELERATION values must be positive."
   #elif ENABLED(DIRECT_STEPPING)
     #error "Input Shaping is not compatible with DIRECT_STEPPING."
   #elif ALL(INPUT_SHAPING_X, CORE_IS_XZ)
-    #error "INPUT_SHAPING_X is not supported with COREXZ."
+    #if !ALL(INPUT_SHAPING_X, INPUT_SHAPING_Z)
+      #error "INPUT_SHAPING_X and INPUT_SHAPING_Z must both be enabled for COREXZ."
+    #else
+      static_assert(SHAPING_FREQ_X == SHAPING_FREQ_Z, "SHAPING_FREQ_X and SHAPING_FREQ_Z must be the same for COREXZ.");
+      static_assert(SHAPING_ZETA_X == SHAPING_ZETA_Z, "SHAPING_ZETA_X and SHAPING_ZETA_Z must be the same for COREXZ.");
+    #endif
   #elif ALL(INPUT_SHAPING_Y, CORE_IS_YZ)
-    #error "INPUT_SHAPING_Y is not supported with COREYZ."
+    #if !ALL(INPUT_SHAPING_Y, INPUT_SHAPING_Z)
+      #error "INPUT_SHAPING_Y and INPUT_SHAPING_Z must both be enabled for COREYZ."
+    #else
+      static_assert(SHAPING_FREQ_Y == SHAPING_FREQ_Z, "SHAPING_FREQ_Y and SHAPING_FREQ_Z must be the same for COREYZ.");
+      static_assert(SHAPING_ZETA_Y == SHAPING_ZETA_Z, "SHAPING_ZETA_Y and SHAPING_ZETA_Z must be the same for COREYZ.");
+    #endif
   #elif ANY(CORE_IS_XY, MARKFORGED_XY, MARKFORGED_YX)
     #if !ALL(INPUT_SHAPING_X, INPUT_SHAPING_Y)
       #error "INPUT_SHAPING_X and INPUT_SHAPING_Y must both be enabled for COREXY, COREYX, or MARKFORGED_*."
@@ -4208,6 +4262,7 @@ static_assert(_PLUS_TEST(3), "DEFAULT_MAX_ACCELERATION values must be positive."
   #else
     TERN_(INPUT_SHAPING_X, static_assert((SHAPING_FREQ_X) > 0, "SHAPING_FREQ_X must be > 0 or SHAPING_MIN_FREQ must be set."));
     TERN_(INPUT_SHAPING_Y, static_assert((SHAPING_FREQ_Y) > 0, "SHAPING_FREQ_Y must be > 0 or SHAPING_MIN_FREQ must be set."));
+    TERN_(INPUT_SHAPING_Z, static_assert((SHAPING_FREQ_Z) > 0, "SHAPING_FREQ_Z must be > 0 or SHAPING_MIN_FREQ must be set."));
   #endif
   #ifdef __AVR__
     #if ENABLED(INPUT_SHAPING_X)
@@ -4224,6 +4279,13 @@ static_assert(_PLUS_TEST(3), "DEFAULT_MAX_ACCELERATION values must be positive."
         static_assert((SHAPING_FREQ_Y) == 0 || (SHAPING_FREQ_Y) * 2 * 0x10000 >= (STEPPER_TIMER_RATE), "SHAPING_FREQ_Y is below the minimum (16) for AVR 16MHz.");
       #endif
     #endif
+    #if ENABLED(INPUT_SHAPING_Z)
+      #if F_CPU > 16000000
+        static_assert((SHAPING_FREQ_Z) == 0 || (SHAPING_FREQ_Z) * 2 * 0x10000 >= (STEPPER_TIMER_RATE), "SHAPING_FREQ_Z is below the minimum (20) for AVR 20MHz.");
+      #else
+        static_assert((SHAPING_FREQ_Z) == 0 || (SHAPING_FREQ_Z) * 2 * 0x10000 >= (STEPPER_TIMER_RATE), "SHAPING_FREQ_Z is below the minimum (16) for AVR 16MHz.");
+      #endif
+    #endif
   #endif
 #endif
 

Marlin/src/inc/Version.h

@@ -42,7 +42,7 @@
  * version was tagged.
  */
 #ifndef STRING_DISTRIBUTION_DATE
-  #define STRING_DISTRIBUTION_DATE "2024-04-07"
+  #define STRING_DISTRIBUTION_DATE "2024-05-24"
 #endif
 
 /**

Marlin/src/inc/Warnings.cpp

@@ -99,8 +99,8 @@
   #warning "Warning! Don't use dummy thermistors (998/999) for final build!"
 #endif
 
-#if NONE(HAS_RESUME_CONTINUE, HOST_PROMPT_SUPPORT)
-  #warning "Your Configuration provides no method to acquire user feedback!"
+#if NONE(HAS_RESUME_CONTINUE, HOST_PROMPT_SUPPORT, UNIT_TEST, NO_USER_FEEDBACK_WARNING)
+  #warning "Your Configuration provides no method to acquire user feedback! (Define NO_USER_FEEDBACK_WARNING to suppress this warning.)"
 #endif
 
 #if MB(DUE3DOM_MINI) && PIN_EXISTS(TEMP_2) && !TEMP_SENSOR_BOARD
@@ -690,8 +690,12 @@
   #warning "To prevent step loss, motion will pause for PRINTCOUNTER auto-save."
 #endif
 
-#if HOMING_Z_WITH_PROBE && IS_CARTESIAN && DISABLED(Z_SAFE_HOMING)
-  #error "Z_SAFE_HOMING is recommended when homing with a probe. Enable Z_SAFE_HOMING or comment out this line to continue."
+#if HOMING_Z_WITH_PROBE && IS_CARTESIAN && NONE(Z_SAFE_HOMING, NO_Z_SAFE_HOMING_WARNING)
+  #error "Z_SAFE_HOMING is recommended when homing with a probe. (Enable Z_SAFE_HOMING or define NO_Z_SAFE_HOMING_WARNING to suppress this warning.)"
+#endif
+
+#if ENABLED(BIQU_MICROPROBE_V2) && NONE(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN, NO_MICROPROBE_WARNING)
+  #warning "BIQU MicroProbe V2 detect signal requires a strong pull-up. Some processors have weak internal pull-up capabilities, so we recommended connecting MicroProbe SIGNAL / GND to Z-MIN / Z-STOP instead of the dedicated PROBE port. (Define NO_MICROPROBE_WARNING to suppress this warning.)"
 #endif
 
 //
@@ -714,8 +718,8 @@
   #warning "Disabled CONFIGURATION_EMBEDDING because the target usually has less flash storage. Define FORCE_CONFIG_EMBED to override."
 #endif
 
-#if HAS_LCD_CONTRAST && LCD_CONTRAST_MIN >= LCD_CONTRAST_MAX
-  #warning "Contrast cannot be changed when LCD_CONTRAST_MIN >= LCD_CONTRAST_MAX."
+#if HAS_LCD_CONTRAST && LCD_CONTRAST_MIN >= LCD_CONTRAST_MAX && DISABLED(NO_LCD_CONTRAST_WARNING)
+  #warning "Contrast cannot be changed when LCD_CONTRAST_MIN >= LCD_CONTRAST_MAX. (Define NO_LCD_CONTRAST_WARNING to suppress this warning.)"
 #endif
 
 #if PROGRESS_MSG_EXPIRE > 0 && HAS_STATUS_MESSAGE_TIMEOUT
@@ -784,8 +788,13 @@
 /**
  * Input Shaping
  */
-#if HAS_ZV_SHAPING && ANY(CORE_IS_XY, MARKFORGED_XY, MARKFORGED_YX)
-  #warning "Input Shaping for CORE / MARKFORGED kinematic axes is still experimental."
+#if HAS_ZV_SHAPING
+  #if ANY(CORE_IS_XY, MARKFORGED_XY, MARKFORGED_YX)
+    #warning "Input Shaping for CORE / MARKFORGED kinematic axes is still experimental."
+  #endif
+  #if ENABLED(I2S_STEPPER_STREAM)
+    #warning "Input Shaping has not been tested with I2S_STEPPER_STREAM."
+  #endif
 #endif
 
 /**
@@ -860,3 +869,10 @@
 #if DISABLED(EDITABLE_STEPS_PER_UNIT)
   #warning "EDITABLE_STEPS_PER_UNIT is required to enable G92 runtime configuration of steps-per-unit."
 #endif
+
+/**
+ * HC32 clock speed is hard-coded in Marlin
+ */
+#if defined(ARDUINO_ARCH_HC32) && F_CPU == 200000000
+  #warning "HC32 clock is assumed to be 200MHz. If this isn't the case for your board please submit a report so we can add support."
+#endif

Marlin/src/lcd/HD44780/marlinui_HD44780.cpp

@@ -331,15 +331,24 @@ void MarlinUI::set_custom_characters(const HD44780CharSet screen_charset/*=CHARS
 
   #endif // HAS_MEDIA
 
-  #if ENABLED(SHOW_BOOTSCREEN)
-    // Set boot screen corner characters
-    if (screen_charset == CHARSET_BOOT) {
-      for (uint8_t i = 4; i--;)
-        createChar_P(i, corner[i]);
-    }
-    else
-  #endif
-    { // Info Screen uses 5 special characters
+  switch (screen_charset) {
+
+    #if ENABLED(SHOW_BOOTSCREEN)
+      case CHARSET_BOOT: {
+        // Set boot screen corner characters
+        for (uint8_t i = 4; i--;) createChar_P(i, corner[i]);
+      } break;
+    #endif
+
+    #if ENABLED(SHOW_CUSTOM_BOOTSCREEN)
+      case CHARSET_BOOT_CUSTOM: {
+        for (uint8_t i = COUNT(customBootChars); i--;)
+          createChar_P(i, customBootChars[i]);
+      } break;
+    #endif
+
+    default: {
+      // Info Screen uses 5 special characters
       createChar_P(LCD_STR_BEDTEMP[0], bedTemp);
       createChar_P(LCD_STR_DEGREE[0], degree);
       createChar_P(LCD_STR_THERMOMETER[0], thermometer);
@@ -361,7 +370,9 @@ void MarlinUI::set_custom_characters(const HD44780CharSet screen_charset/*=CHARS
             createChar_P(LCD_STR_FOLDER[0], folder);
           #endif
         }
-    }
+    } break;
+
+  }
 
 }
 
@@ -400,6 +411,42 @@ bool MarlinUI::detected() {
   return TERN1(DETECT_I2C_LCD_DEVICE, lcd.LcdDetected() == 1);
 }
 
+#if ENABLED(SHOW_CUSTOM_BOOTSCREEN)
+
+  #ifndef CUSTOM_BOOTSCREEN_X
+    #define CUSTOM_BOOTSCREEN_X -1
+  #endif
+  #ifndef CUSTOM_BOOTSCREEN_Y
+    #define CUSTOM_BOOTSCREEN_Y ((LCD_HEIGHT - COUNT(custom_boot_lines)) / 2)
+  #endif
+  #ifndef CUSTOM_BOOTSCREEN_TIMEOUT
+    #define CUSTOM_BOOTSCREEN_TIMEOUT 2500
+  #endif
+
+  void MarlinUI::draw_custom_bootscreen(const uint8_t/*=0*/) {
+    set_custom_characters(CHARSET_BOOT_CUSTOM);
+    lcd.clear();
+    const int8_t sx = CUSTOM_BOOTSCREEN_X;
+    const uint8_t sy = CUSTOM_BOOTSCREEN_Y;
+    for (lcd_uint_t i = 0; i < COUNT(custom_boot_lines); ++i) {
+      PGM_P const pstr = (PGM_P)pgm_read_ptr(&custom_boot_lines[i]);
+      const uint8_t clen = utf8_strlen_P(pstr);
+      const lcd_uint_t x = sx >= 0 ? sx : (LCD_WIDTH - clen) / 2;
+      for (lcd_uint_t j = 0; j < clen; ++j) {
+        const lchar_t c = pgm_read_byte(&pstr[j]);
+        lcd_put_lchar(x + j, sy + i, c == '\x08' ? '\x00' : c);
+      }
+    }
+  }
+
+  // Shows the custom bootscreen and delays
+  void MarlinUI::show_custom_bootscreen() {
+    draw_custom_bootscreen();
+    safe_delay(CUSTOM_BOOTSCREEN_TIMEOUT);
+  }
+
+#endif // SHOW_CUSTOM_BOOTSCREEN
+
 #if HAS_SLOW_BUTTONS
   uint8_t MarlinUI::read_slow_buttons() {
     #if ENABLED(LCD_I2C_TYPE_MCP23017)
@@ -466,6 +513,8 @@ void MarlinUI::clear_lcd() { lcd.clear(); }
   }
 
   void MarlinUI::show_bootscreen() {
+    TERN_(SHOW_CUSTOM_BOOTSCREEN, show_custom_bootscreen());
+
     set_custom_characters(CHARSET_BOOT);
     lcd.clear();
 
@@ -660,9 +709,6 @@ FORCE_INLINE void _draw_bed_status(const bool blink) {
       lcd_put_u8str(F("K"));
     #else
       lcd_put_u8str(cutter_power2str(cutter.unitPower));
-      #if CUTTER_UNIT_IS(PERCENT)
-        lcd_put_u8str(F("%"));
-      #endif
     #endif
 
     lcd_put_u8str(F(" "));
@@ -1169,7 +1215,7 @@ void MarlinUI::draw_status_screen() {
 
     lcd_moveto(LCD_WIDTH - 9, 2);
     lcd_put_lchar('S');
-    
+
 
   #endif // LCD_INFO_SCREEN_STYLE
 

Marlin/src/lcd/HD44780/marlinui_HD44780.h

@@ -27,6 +27,20 @@
 
 #include "../../inc/MarlinConfig.h"
 
+#if ENABLED(SHOW_CUSTOM_BOOTSCREEN)
+
+  #include "../../../_Bootscreen.h"
+
+  #ifdef CUSTOM_BOOTSCREEN_Y
+    #define CUSTOM_BOOT_LAST COUNT(custom_boot_lines) + CUSTOM_BOOTSCREEN_Y
+  #else
+    #define CUSTOM_BOOT_LAST COUNT(custom_boot_lines)
+  #endif
+
+  static_assert(CUSTOM_BOOT_LAST <= LCD_HEIGHT, "custom_boot_lines (plus CUSTOM_BOOTSCREEN_Y) doesn't fit on the selected LCD.");
+
+#endif
+
 #if ENABLED(LCD_I2C_TYPE_PCF8575)
 
   // NOTE: These are register-mapped pins on the PCF8575 controller, not Arduino pins.

Marlin/src/lcd/buttons.h

@@ -24,9 +24,9 @@
 #include "../inc/MarlinConfig.h"
 
 #if ((!HAS_ADC_BUTTONS && IS_NEWPANEL) || BUTTONS_EXIST(EN1, EN2)) && !IS_TFTGLCD_PANEL
-  #define HAS_ENCODER_WHEEL 1
+  #define HAS_MARLINUI_ENCODER 1
 #endif
-#if (HAS_ENCODER_WHEEL || ANY_BUTTON(ENC, BACK, UP, DOWN, LEFT, RIGHT)) && DISABLED(TOUCH_UI_FTDI_EVE)
+#if (HAS_MARLINUI_ENCODER || ANY_BUTTON(ENC, BACK, UP, DOWN, LEFT, RIGHT)) && DISABLED(TOUCH_UI_FTDI_EVE)
   #define HAS_DIGITAL_BUTTONS 1
 #endif
 #if !HAS_ADC_BUTTONS && (IS_RRW_KEYPAD || (HAS_WIRED_LCD && !IS_NEWPANEL))

Marlin/src/lcd/dogm/marlinui_DOGM.cpp

@@ -377,7 +377,13 @@ void MarlinUI::draw_kill_screen() {
 void MarlinUI::clear_lcd() { } // Automatically cleared by Picture Loop
 
 #if HAS_DISPLAY_SLEEP
-  void MarlinUI::sleep_display(const bool sleep/*=true*/) { sleep ? u8g.sleepOn() : u8g.sleepOff(); }
+  void MarlinUI::sleep_display(const bool sleep/*=true*/) {
+    static bool asleep = false;
+    if (asleep != sleep){
+      sleep ? u8g.sleepOn() : u8g.sleepOff();
+      asleep = sleep;
+    }
+  }
 #endif
 
 #if HAS_LCD_BRIGHTNESS

Marlin/src/lcd/dogm/u8g/u8g_dev_tft_upscale_from_128x64.cpp

@@ -84,7 +84,7 @@ TFT_IO tftio;
 #define X_HI (UPSCALE(TFT_PIXEL_OFFSET_X, WIDTH) - 1)
 #define Y_HI (UPSCALE(TFT_PIXEL_OFFSET_Y, HEIGHT) - 1)
 
-// RGB565 color picker: https://embeddednotepad.com/page/rgb565-color-picker
+// RGB565 color picker: https://rgbcolorpicker.com/565
 // Hex code to color name: https://www.color-name.com/
 
 #define COLOR_BLACK       0x0000  // #000000