move G29 stuff to #27146

Followup to #27118

.github/lock.yml

@@ -1,40 +0,0 @@
-#
-# Configuration for Lock Threads - https://github.com/dessant/lock-threads-app
-#
-
-# Number of days of inactivity before a closed issue or pull request is locked
-daysUntilLock: 60
-
-# Skip issues and pull requests created before a given timestamp. Timestamp must
-# follow ISO 8601 (`YYYY-MM-DD`). Set to `false` to disable
-skipCreatedBefore: false
-
-# Issues and pull requests with these labels will be ignored. Set to `[]` to disable
-exemptLabels: [ 'no-locking' ]
-
-# Label to add before locking, such as `outdated`. Set to `false` to disable
-lockLabel: false
-
-# Comment to post before locking. Set to `false` to disable
-lockComment: >
-  This thread has been automatically locked since there has not been
-  any recent activity after it was closed. Please open a new issue for
-  related bugs.
-
-# Assign `resolved` as the reason for locking. Set to `false` to disable
-setLockReason: true
-
-# Limit to only `issues` or `pulls`
-# only: issues
-
-# Optionally, specify configuration settings just for `issues` or `pulls`
-# issues:
-#   exemptLabels:
-#     - help-wanted
-#   lockLabel: outdated
-
-# pulls:
-#   daysUntilLock: 30
-
-# Repository to extend settings from
-# _extends: repo

.github/workflows/bump-date.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
 
     - name: Check out bugfix-2.0.x
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: bugfix-2.0.x
 
@@ -39,7 +39,7 @@ jobs:
         exit 0
 
     - name: Check out bugfix-2.1.x
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: bugfix-2.1.x
 

.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
@@ -152,7 +156,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Cache pip
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
@@ -160,13 +164,13 @@ jobs:
           ${{ runner.os }}-pip-
 
     - name: Cache PlatformIO
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.platformio
         key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
 
     - name: Select Python 3.9
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.9'
         architecture: 'x64'

.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

.github/workflows/clean-closed.yml

@@ -32,7 +32,7 @@ jobs:
           - "Needs: Work"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Remove Labels
         uses: actions-ecosystem/action-remove-labels@v1
         with:

.github/workflows/close-stale.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/stale@v8
+    - uses: actions/stale@v9
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         stale-issue-message: |

.github/workflows/lock-closed.yml

@@ -17,15 +17,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: dessant/lock-threads@v2
+    - uses: dessant/lock-threads@v5
       with:
         github-token: ${{ github.token }}
         process-only: 'issues'
-        issue-lock-inactive-days: '60'
-        issue-exclude-created-before: ''
-        issue-exclude-labels: 'no-locking'
-        issue-lock-labels: ''
-        issue-lock-comment: >
+        issue-inactive-days: '60'
+        exclude-issue-created-before: ''
+        exclude-any-issue-labels: 'no-locking'
+        add-issue-labels: ''
+        issue-comment: >
           This issue has been automatically locked since there
           has not been any recent activity after it was closed.
           Please open a new issue for related bugs.

Makefile

@@ -2,16 +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 "* format-pins:                 Reformat all pins files"
-	@echo "* tests-single-ci:             Run a single test from inside the CI"
-	@echo "* tests-single-local:          Run a single test locally"
-	@echo "* tests-single-local-docker:   Run a single test locally, using docker"
-	@echo "* tests-all-local:             Run all tests locally"
-	@echo "* tests-all-local-docker:      Run all tests locally, using docker"
-	@echo "* setup-local-docker:          Build the local docker image"
+	@echo "make marlin                    : Build marlin for the configured board"
+	@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 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"
@@ -21,49 +28,77 @@ 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!"
-.PHONY: help
+
+marlin:
+	./buildroot/bin/mftest -a
+.PHONY: marlin
 
 tests-single-ci:
 	export GIT_RESET_HARD=true
 	$(MAKE) tests-single-local TEST_TARGET=$(TEST_TARGET) PLATFORMIO_BUILD_FLAGS=-DGITHUB_ACTION
-.PHONY: tests-single-ci
 
 tests-single-local:
 	@if ! test -n "$(TEST_TARGET)" ; then echo "***ERROR*** Set TEST_TARGET=<your-module> or use make tests-all-local" ; return 1; fi
 	export PATH="./buildroot/bin/:./buildroot/tests/:${PATH}" \
 	  && export VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) \
 	  && run_tests . $(TEST_TARGET) "$(ONLY_TEST)"
-.PHONY: 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)"
-.PHONY: tests-single-local-docker
+	$(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 . $$TEST_TARGET ; done
-.PHONY: tests-all-local
+	  && for TEST_TARGET in $$(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)
-.PHONY: tests-all-local-docker
+	$(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 .
-.PHONY: setup-local-docker
+	$(CONTAINER_RT_BIN) buildx build -t $(CONTAINER_IMAGE) -f docker/Dockerfile .
 
 PINS := $(shell find Marlin/src/pins -mindepth 2 -name '*.h')
 
-.PHONY: $(PINS)
+.PHONY: $(PINS) format-pins validate-pins
 
 $(PINS): %:
-	@echo "Formatting $@" && node buildroot/share/scripts/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

@@ -135,9 +135,9 @@
  * Options: A4988, A5984, DRV8825, LV8729, TB6560, TB6600, TMC2100,
  *          TMC2130, TMC2130_STANDALONE, TMC2160, TMC2160_STANDALONE,
  *          TMC2208, TMC2208_STANDALONE, TMC2209, TMC2209_STANDALONE,
- *          TMC26X,  TMC26X_STANDALONE,  TMC2660, TMC2660_STANDALONE,
- *          TMC5130, TMC5130_STANDALONE, TMC5160, TMC5160_STANDALONE
- * :['A4988', 'A5984', 'DRV8825', 'LV8729', 'TB6560', 'TB6600', 'TMC2100', 'TMC2130', 'TMC2130_STANDALONE', 'TMC2160', 'TMC2160_STANDALONE', 'TMC2208', 'TMC2208_STANDALONE', 'TMC2209', 'TMC2209_STANDALONE', 'TMC26X', 'TMC26X_STANDALONE', 'TMC2660', 'TMC2660_STANDALONE', 'TMC5130', 'TMC5130_STANDALONE', 'TMC5160', 'TMC5160_STANDALONE']
+ *          TMC2660, TMC2660_STANDALONE, TMC5130, TMC5130_STANDALONE,
+ *          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
@@ -401,9 +401,18 @@
   //#define PS_OFF_SOUND            // Beep 1s when power off
   #define PSU_ACTIVE_STATE LOW      // Set 'LOW' for ATX, 'HIGH' for X-Box
 
-  //#define PSU_DEFAULT_OFF               // Keep power off until enabled directly with M80
-  //#define PSU_POWERUP_DELAY      250    // (ms) Delay for the PSU to warm up to full power
-  //#define LED_POWEROFF_TIMEOUT 10000    // (ms) Turn off LEDs after power-off, with this amount of delay
+  //#define PSU_DEFAULT_OFF             // Keep power off until enabled directly with M80
+  //#define PSU_POWERUP_DELAY      250  // (ms) Delay for the PSU to warm up to full power
+  //#define LED_POWEROFF_TIMEOUT 10000  // (ms) Turn off LEDs after power-off, with this amount of delay
+
+  //#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_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_WAIT_FOR_COOLDOWN   // Enable M81 S to power off only after cooldown
@@ -663,7 +672,7 @@
  * 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 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
@@ -1006,9 +1015,6 @@
     // Radius around the center where the arm cannot reach
     #define MIDDLE_DEAD_ZONE_R   0  // (mm)
 
-    #define THETA_HOMING_OFFSET  0  // Calculated from Calibration Guide and M360 / M114. See https://www.morgan3dp.com/morgan-calibration-guide/
-    #define PSI_HOMING_OFFSET    0  // Calculated from Calibration Guide and M364 / M114. See https://www.morgan3dp.com/morgan-calibration-guide/
-
   #elif ENABLED(MP_SCARA)
 
     #define SCARA_OFFSET_THETA1  12 // degrees
@@ -1027,23 +1033,19 @@
   #define DEFAULT_SEGMENTS_PER_SECOND 200
 
   // Length of inner and outer support arms. Measure arm lengths precisely.
-  #define TPARA_LINKAGE_1 120       // (mm)
-  #define TPARA_LINKAGE_2 120       // (mm)
+  #define TPARA_LINKAGE_1 120     // (mm)
+  #define TPARA_LINKAGE_2 120     // (mm)
 
-  // SCARA tower offset (position of Tower relative to bed zero position)
-  // This needs to be reasonably accurate as it defines the printbed position in the SCARA space.
-  #define TPARA_OFFSET_X    0       // (mm)
-  #define TPARA_OFFSET_Y    0       // (mm)
-  #define TPARA_OFFSET_Z    0       // (mm)
+  // TPARA tower offset (position of Tower relative to bed zero position)
+  // This needs to be reasonably accurate as it defines the printbed position in the TPARA space.
+  #define TPARA_OFFSET_X    0     // (mm)
+  #define TPARA_OFFSET_Y    0     // (mm)
+  #define TPARA_OFFSET_Z    0     // (mm)
 
   #define FEEDRATE_SCALING        // Convert XY feedrate from mm/s to degrees/s on the fly
 
   // Radius around the center where the arm cannot reach
   #define MIDDLE_DEAD_ZONE_R   0  // (mm)
-
-  // Calculated from Calibration Guide and M360 / M114. See https://www.morgan3dp.com/morgan-calibration-guide/
-  #define THETA_HOMING_OFFSET  0
-  #define PSI_HOMING_OFFSET    0
 #endif
 
 // @section polar
@@ -1231,11 +1233,16 @@
 
 /**
  * Default Axis Steps Per Unit (linear=steps/mm, rotational=steps/°)
- * Override with M92
+ * 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 }
 
+/**
+ * Enable support for M92. Disable to save at least ~530 bytes of flash.
+ */
+#define EDITABLE_STEPS_PER_UNIT
+
 /**
  * Default Max Feed Rate (linear=mm/s, rotational=°/s)
  * Override with M203
@@ -1286,6 +1293,7 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+  #define DEFAULT_EJERK  5.0
   //#define DEFAULT_IJERK  0.3
   //#define DEFAULT_JJERK  0.3
   //#define DEFAULT_KJERK  0.3
@@ -1301,8 +1309,6 @@
   #endif
 #endif
 
-#define DEFAULT_EJERK    5.0  // May be used by Linear Advance
-
 /**
  * Junction Deviation Factor
  *
@@ -1442,6 +1448,17 @@
   //#define BD_SENSOR_PROBE_NO_STOP // Probe bed without stopping at each probe point
 #endif
 
+/**
+ * BIQU MicroProbe
+ *
+ * A lightweight, solenoid-driven probe.
+ * For information about this sensor https://github.com/bigtreetech/MicroProbe
+ *
+ * Also requires: PROBE_ENABLE_DISABLE
+ */
+//#define BIQU_MICROPROBE_V1  // Triggers HIGH
+//#define BIQU_MICROPROBE_V2  // Triggers LOW
+
 // A probe that is deployed and stowed with a solenoid pin (SOL1_PIN)
 //#define SOLENOID_PROBE
 
@@ -2201,7 +2218,7 @@
 #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_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)
@@ -2619,9 +2636,9 @@
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
 /**
- * Info Screen Style (0:Classic, 1:Průša)
+ * Info Screen Style (0:Classic, 1:Průša, 2:CNC)
  *
- * :[0:'Classic', 1:'Průša']
+ * :[0:'Classic', 1:'Průša', 2:'CNC']
  */
 #define LCD_INFO_SCREEN_STYLE 0
 
@@ -3022,7 +3039,7 @@
 
 //
 // Factory display for Creality CR-10 / CR-7 / Ender-3
-// https://www.aliexpress.com/item/32833148327.html
+// https://marlinfw.org/docs/hardware/controllers.html#cr10_stockdisplay
 //
 // Connect to EXP1 on RAMPS and compatible boards.
 //
@@ -3399,7 +3416,6 @@
   #define BUTTON_DELAY_MENU     250 // (ms) Button repeat delay for menus
 
   //#define DISABLE_ENCODER         // Disable the click encoder, if any
-  //#define TOUCH_IDLE_SLEEP_MINS 5 // (minutes) Display Sleep after a period of inactivity. Set with M255 S.
 
   #define TOUCH_SCREEN_CALIBRATION
 

Marlin/Configuration_adv.h

@@ -459,7 +459,7 @@
       #define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
 
     #else
-      #define PID_FAN_SCALING_LIN_FACTOR (0)             // Power loss due to cooling = Kf * (fan_speed)
+      #define PID_FAN_SCALING_LIN_FACTOR (0)             // Power-loss due to cooling = Kf * (fan_speed)
       #define DEFAULT_Kf 10                              // A constant value added to the PID-tuner
       #define PID_FAN_SCALING_MIN_SPEED 10               // Minimum fan speed at which to enable PID_FAN_SCALING
     #endif
@@ -1185,33 +1185,32 @@
  * 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          // (Hz) The default dominant resonant frequency on the X axis.
-    #define SHAPING_ZETA_X  0.15f       // Damping ratio of the X axis (range: 0.0 = no damping to 1.0 = critical damping).
+    #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).
   #endif
   #if ENABLED(INPUT_SHAPING_Y)
-    #define SHAPING_FREQ_Y  40          // (Hz) The default dominant resonant frequency on the Y axis.
-    #define SHAPING_ZETA_Y  0.15f       // Damping ratio of the Y axis (range: 0.0 = no damping to 1.0 = critical damping).
+    #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
-  //#define SHAPING_MIN_FREQ  20        // By default the minimum of the shaping frequencies. Override to affect SRAM usage.
+  #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.
 #endif
@@ -1270,11 +1269,11 @@
  * XY Frequency limit
  * Reduce resonance by limiting the frequency of small zigzag infill moves.
  * See https://hydraraptor.blogspot.com/2010/12/frequency-limit.html
- * Use M201 F<freq> G<min%> to change limits at runtime.
+ * Use M201 F<freq> S<min%> to change limits at runtime.
  */
 //#define XY_FREQUENCY_LIMIT      10 // (Hz) Maximum frequency of small zigzag infill moves. Set with M201 F<hertz>.
 #ifdef XY_FREQUENCY_LIMIT
-  #define XY_FREQUENCY_MIN_PERCENT 5 // (%) Minimum FR percentage to apply. Set with M201 G<min%>.
+  #define XY_FREQUENCY_MIN_PERCENT 5 // (%) Minimum FR percentage to apply. Set with M201 S<min%>.
 #endif
 
 //
@@ -1474,6 +1473,7 @@
   #if IS_ULTIPANEL
     #define MANUAL_E_MOVES_RELATIVE // Display extruder move distance rather than "position"
     #define ULTIPANEL_FEEDMULTIPLY  // Encoder sets the feedrate multiplier on the Status Screen
+    //#define ULTIPANEL_FLOWPERCENT // Encoder sets the flow percentage on the Status Screen
   #endif
 #endif
 
@@ -1539,6 +1539,7 @@
    * Axis moves <= 1/2 the axis length and Extruder moves <= EXTRUDE_MAXLENGTH
    * will be shown in the move submenus.
    */
+
   #define MANUAL_MOVE_DISTANCE_MM                    10, 1.0, 0.1  // (mm)
   //#define MANUAL_MOVE_DISTANCE_MM         100, 50, 10, 1.0, 0.1  // (mm)
   //#define MANUAL_MOVE_DISTANCE_MM    500, 100, 50, 10, 1.0, 0.1  // (mm)
@@ -1582,7 +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
@@ -1743,19 +1744,25 @@
    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
-    #define PLR_ENABLED_DEFAULT   false // Power Loss Recovery enabled by default. (Set with 'M413 Sn' & M500)
-    //#define BACKUP_POWER_SUPPLY       // Backup power / UPS to move the steppers on power loss
-    //#define POWER_LOSS_ZRAISE       2 // (mm) Z axis raise on resume (on power loss with UPS)
-    //#define POWER_LOSS_PIN         44 // Pin to detect power loss. Set to -1 to disable default pin on boards without module.
-    //#define POWER_LOSS_STATE     HIGH // State of pin indicating power loss
-    //#define POWER_LOSS_PULLUP         // Set pullup / pulldown as appropriate for your sensor
+    #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)
+
+    //#define POWER_LOSS_PIN             44 // Pin to detect power-loss. Set to -1 to disable default pin on boards without module, or comment to use board default.
+    //#define POWER_LOSS_STATE         HIGH // State of pin indicating power-loss
+    //#define POWER_LOSS_PULLUP             // Set pullup / pulldown as appropriate for your sensor
     //#define POWER_LOSS_PULLDOWN
-    //#define POWER_LOSS_PURGE_LEN   20 // (mm) Length of filament to purge on resume
-    //#define POWER_LOSS_RETRACT_LEN 10 // (mm) Length of filament to retract on fail. Requires backup power.
+
+    //#define POWER_LOSS_ZRAISE        2    // (mm) Z axis raise on resume (on power-loss with UPS)
+    //#define POWER_LOSS_PURGE_LEN    20    // (mm) Length of filament to purge on resume
 
     // Without a POWER_LOSS_PIN the following option helps reduce wear on the SD card,
     // especially with "vase mode" printing. Set too high and vases cannot be continued.
-    #define POWER_LOSS_MIN_Z_CHANGE 0.05 // (mm) Minimum Z change before saving power-loss data
+    #define POWER_LOSS_MIN_Z_CHANGE    0.05 // (mm) Minimum Z change before saving power-loss data
+
+    //#define BACKUP_POWER_SUPPLY           // Backup power / UPS to move the steppers on power-loss
+    #if ENABLED(BACKUP_POWER_SUPPLY)
+      //#define POWER_LOSS_RETRACT_LEN   10 // (mm) Length of filament to retract on fail
+    #endif
 
     // Enable if Z homing is needed for proper recovery. 99.9% of the time this should be disabled!
     //#define POWER_LOSS_RECOVER_ZHOME
@@ -1962,17 +1969,6 @@
   // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
   //#define USE_SMALL_INFOFONT
 
-  /**
-   * Graphical Display Sleep
-   *
-   * The U8G library provides sleep / wake functions for SH1106, SSD1306,
-   * SSD1309, and some other DOGM displays.
-   * Enable this option to save energy and prevent OLED pixel burn-in.
-   * Adds the menu item Configuration > LCD Timeout (m) to set a wait period
-   * from 0 (disabled) to 99 minutes.
-   */
-  //#define DISPLAY_SLEEP_MINUTES 2  // (minutes) Timeout before turning off the screen. Set with M255 S.
-
   /**
    * ST7920-based LCDs can emulate a 16 x 4 character display using
    * the ST7920 character-generator for very fast screen updates.
@@ -2221,13 +2217,20 @@
   //#define TFT_BTOKMENU_COLOR 0x145F // 00010 100010 11111 Cyan
 #endif
 
-//
-// LCD Backlight Timeout
-// Requires a display with a controllable backlight
-//
+/**
+ * Display Sleep
+ * Enable this option to save energy and prevent OLED pixel burn-in.
+ */
+//#define DISPLAY_SLEEP_MINUTES 2       // (minutes) Timeout before turning off the screen
+
+/**
+ * LCD Backlight Timeout
+ * Requires a display with a controllable backlight
+ */
 //#define LCD_BACKLIGHT_TIMEOUT_MINS 1  // (minutes) Timeout before turning off the backlight
+
 #if defined(DISPLAY_SLEEP_MINUTES) || defined(LCD_BACKLIGHT_TIMEOUT_MINS)
-  #define EDITABLE_DISPLAY_TIMEOUT      // Edit timeout with M255 S<minutes> and a menu item
+  #define EDITABLE_DISPLAY_TIMEOUT      // Edit sleep / backlight timeout with M255 S<minutes> and a menu item
 #endif
 
 //
@@ -2318,7 +2321,6 @@
   #endif
   //#define ADVANCE_K_EXTRA       // Add a second linear advance constant, configurable with M900 L.
   //#define LA_DEBUG              // Print debug information to serial during operation. Disable for production use.
-  //#define ALLOW_LOW_EJERK       // Allow a DEFAULT_EJERK value of <10. Recommended for direct drive hotends.
   //#define EXPERIMENTAL_I2S_LA   // Allow I2S_STEPPER_STREAM to be used with LA. Performance degrades as the LA step rate reaches ~20kHz.
 #endif
 
@@ -2695,7 +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
@@ -2950,15 +2952,12 @@
  *    Some boards have simple jumper connections! See your board's documentation.
  *  - These drivers can also be used with Hardware Serial.
  *
- * The TMC26XStepper library is required for TMC26X stepper drivers.
- *   https://github.com/MarlinFirmware/TMC26XStepper
- *
  * The TMCStepper library is required for other TMC stepper drivers.
  *   https://github.com/teemuatlut/TMCStepper
  *
  * @section tmc/config
  */
-#if HAS_TRINAMIC_CONFIG || HAS_TMC26X
+#if HAS_TRINAMIC_CONFIG
 
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
 
@@ -2972,7 +2971,7 @@
     #define X_CURRENT       800        // (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     // Multiplied x1000 for TMC26X
+    #define X_RSENSE          0.11
     #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
@@ -3465,7 +3464,7 @@
    */
   #define TMC_ADV() {  }
 
-#endif // HAS_TRINAMIC_CONFIG || HAS_TMC26X
+#endif // HAS_TRINAMIC_CONFIG
 
 // @section i2cbus
 
@@ -3558,7 +3557,7 @@
  * Add the M3, M4, and M5 commands to turn the spindle/laser on and off, and
  * to set spindle speed, spindle direction, and laser power.
  *
- * SuperPid is a router/spindle speed controller used in the CNC milling community.
+ * SuperPID is a router/spindle speed controller used in the CNC milling community.
  * Marlin can be used to turn the spindle on and off. It can also be used to set
  * the spindle speed from 5,000 to 30,000 RPM.
  *
@@ -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
@@ -4308,6 +4308,7 @@
                                           // See class CodeProfiler.
   //#define MAX7219_DEBUG_MULTISTEPPING 6 // Show multi-stepping 1 to 128 on this LED matrix row.
   //#define MAX7219_DEBUG_SLOWDOWN      6 // Count (mod 16) how many times SLOWDOWN has reduced print speed.
+  //#define MAX7219_REINIT_ON_POWERUP     // Re-initialize MAX7129 when power supply turns on
 #endif
 
 /**
@@ -4341,7 +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
@@ -4524,3 +4525,6 @@
 
 // Report uncleaned reset reason from register r2 instead of MCUSR. Supported by Optiboot on AVR.
 //#define OPTIBOOT_RESET_REASON
+
+// Shrink the build for smaller boards by sacrificing some serial feedback
+//#define MARLIN_SMALL_BUILD

Marlin/Marlin.ino

@@ -2,7 +2,7 @@
 
   Marlin Firmware
 
-  (c) 2011-2023 MarlinFirmware
+  (c) 2011-2024 MarlinFirmware
   Portions of Marlin are (c) by their respective authors.
   All code complies with GPLv2 and/or GPLv3
 

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 "2024-01-09"
+//#define STRING_DISTRIBUTION_DATE "2024-05-29"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.

Marlin/src/HAL/AVR/HAL.cpp

@@ -81,6 +81,12 @@ void MarlinHAL::init() {
   #if HAS_SERVO_3
     OUT_WRITE(SERVO3_PIN, LOW);
   #endif
+  #if HAS_SERVO_4
+    OUT_WRITE(SERVO4_PIN, LOW);
+  #endif
+  #if HAS_SERVO_5
+    OUT_WRITE(SERVO5_PIN, LOW);
+  #endif
 
   init_pwm_timers();   // Init user timers to default frequency - 1000HZ
 

Marlin/src/HAL/AVR/HAL.h

@@ -141,7 +141,7 @@ typedef Servo hal_servo_t;
     #error "LCD_SERIAL_PORT must be from 0 to 3."
   #endif
   #define LCD_SERIAL lcdSerial
-  #if HAS_DGUS_LCD
+  #if ANY(HAS_DGUS_LCD, EXTENSIBLE_UI)
     #define LCD_SERIAL_TX_BUFFER_FREE() LCD_SERIAL.get_tx_buffer_free()
   #endif
 #endif

Marlin/src/HAL/AVR/HAL_SPI.cpp

@@ -119,7 +119,6 @@ void spiBegin() {
     while (!TEST(SPSR, SPIF)) { /* Intentionally left empty */ }
   }
 
-
   /** begin spi transaction */
   void spiBeginTransaction(uint32_t spiClock, uint8_t bitOrder, uint8_t dataMode) {
     // Based on Arduino SPI library
@@ -175,7 +174,6 @@ void spiBegin() {
     SPSR = clockDiv | 0x01;
   }
 
-
 #else // SOFTWARE_SPI || FORCE_SOFT_SPI
 
   // ------------------------

Marlin/src/HAL/AVR/MarlinSerial.cpp

@@ -629,7 +629,7 @@ MSerialT1 customizedSerial1(MSerialT1::HasEmergencyParser);
   template class MarlinSerial< LCDSerialCfg<LCD_SERIAL_PORT> >;
   MSerialLCD lcdSerial(MSerialLCD::HasEmergencyParser);
 
-  #if HAS_DGUS_LCD
+  #if ANY(HAS_DGUS_LCD, EXTENSIBLE_UI)
     template<typename Cfg>
     typename MarlinSerial<Cfg>::ring_buffer_pos_t MarlinSerial<Cfg>::get_tx_buffer_free() {
       const ring_buffer_pos_t t = tx_buffer.tail,  // next byte to send.

Marlin/src/HAL/AVR/MarlinSerial.h

@@ -205,7 +205,7 @@
     static ring_buffer_pos_t available();
     static void write(const uint8_t c);
     static void flushTX();
-    #if HAS_DGUS_LCD
+    #if ANY(HAS_DGUS_LCD, EXTENSIBLE_UI)
       static ring_buffer_pos_t get_tx_buffer_free();
     #endif
 

Marlin/src/HAL/AVR/Servo.cpp

@@ -63,7 +63,6 @@
 
 static volatile int8_t Channel[_Nbr_16timers];              // counter for the servo being pulsed for each timer (or -1 if refresh interval)
 
-
 /************ static functions common to all instances ***********************/
 
 static inline void handle_interrupts(const timer16_Sequence_t timer, volatile uint16_t* TCNTn, volatile uint16_t* OCRnA) {

Marlin/src/HAL/AVR/eeprom.cpp

@@ -35,14 +35,14 @@
 #ifndef MARLIN_EEPROM_SIZE
   #define MARLIN_EEPROM_SIZE size_t(E2END + 1)
 #endif
-size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 bool PersistentStore::access_start()  { return true; }
 bool PersistentStore::access_finish() { return true; }
 
 bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   uint16_t written = 0;
   while (size--) {
-    uint8_t * const p = (uint8_t * const)pos;
+    uint8_t * const p = (uint8_t * const)REAL_EEPROM_ADDR(pos);
     uint8_t v = *value;
     if (v != eeprom_read_byte(p)) { // EEPROM has only ~100,000 write cycles, so only write bytes that have changed!
       eeprom_write_byte(p, v);
@@ -61,7 +61,7 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
 
 bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
   do {
-    uint8_t c = eeprom_read_byte((uint8_t*)pos);
+    const uint8_t c = eeprom_read_byte((uint8_t*)REAL_EEPROM_ADDR(pos));
     if (writing) *value = c;
     crc16(crc, &c, 1);
     pos++;

Marlin/src/HAL/AVR/endstop_interrupts.h

@@ -91,7 +91,6 @@ void endstop_ISR() { endstops.update(); }
 
 #endif
 
-
 // Install Pin change interrupt for a pin. Can be called multiple times.
 void pciSetup(const int8_t pin) {
   if (digitalPinHasPCICR(pin)) {

Marlin/src/HAL/AVR/fastio/fastio_AT90USB.h

@@ -679,7 +679,6 @@
 #define PF7_PWM     0
 #define PF7_DDR     DDRF
 
-
 /**
  * Some of the pin mapping functions of the Teensduino extension to the Arduino IDE
  * do not function the same as the other Arduino extensions.

Marlin/src/HAL/AVR/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/AVR/pinsDebug.h

@@ -163,7 +163,6 @@ bool pwm_status(uint8_t pin) {
   SERIAL_ECHO_SP(2);
 } // pwm_status
 
-
 const volatile uint8_t* const PWM_other[][3] PROGMEM = {
     { &TCCR0A, &TCCR0B, &TIMSK0 },
     { &TCCR1A, &TCCR1B, &TIMSK1 },
@@ -181,7 +180,6 @@ const volatile uint8_t* const PWM_other[][3] PROGMEM = {
   #endif
 };
 
-
 const volatile uint8_t* const PWM_OCR[][3] PROGMEM = {
 
   #ifdef TIMER0A
@@ -217,7 +215,6 @@ const volatile uint8_t* const PWM_OCR[][3] PROGMEM = {
   #endif
 };
 
-
 #define TCCR_A(T)   pgm_read_word(&PWM_other[T][0])
 #define TCCR_B(T)   pgm_read_word(&PWM_other[T][1])
 #define TIMSK(T)    pgm_read_word(&PWM_other[T][2])

Marlin/src/HAL/AVR/u8g_com_HAL_AVR_sw_spi.cpp

@@ -120,7 +120,6 @@ void u8g_spiSend_sw_AVR_mode_3(uint8_t val) {
   U8G_ATOMIC_END();
 }
 
-
 #if ENABLED(FYSETC_MINI_12864)
   #define SPISEND_SW_AVR u8g_spiSend_sw_AVR_mode_3
 #else

Marlin/src/HAL/DUE/HAL_SPI.cpp

@@ -42,7 +42,7 @@
 // Public functions
 // ------------------------
 
-#if ANY(DUE_SOFTWARE_SPI, FORCE_SOFT_SPI)
+#if ANY(SOFTWARE_SPI, FORCE_SOFT_SPI)
 
   // ------------------------
   // Software SPI

Marlin/src/HAL/DUE/MarlinSerial.cpp

@@ -474,7 +474,6 @@ void MarlinSerial<Cfg>::flushTX() {
   }
 }
 
-
 // If not using the USB port as serial port
 #if defined(SERIAL_PORT) && SERIAL_PORT >= 0
   template class MarlinSerial< MarlinSerialCfg<SERIAL_PORT> >;

Marlin/src/HAL/DUE/eeprom_flash.cpp

@@ -958,14 +958,14 @@ static void ee_Init() {
 #ifndef MARLIN_EEPROM_SIZE
   #define MARLIN_EEPROM_SIZE 0x1000 // 4KB
 #endif
-size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 bool PersistentStore::access_start()  { ee_Init();  return true; }
 bool PersistentStore::access_finish() { ee_Flush(); return true; }
 
 bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   uint16_t written = 0;
   while (size--) {
-    uint8_t * const p = (uint8_t * const)pos;
+    uint8_t * const p = (uint8_t * const)REAL_EEPROM_ADDR(pos);
     uint8_t v = *value;
     if (v != ee_Read(uint32_t(p))) { // EEPROM has only ~100,000 write cycles, so only write bytes that have changed!
       ee_Write(uint32_t(p), v);
@@ -984,7 +984,7 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
 
 bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
   do {
-    uint8_t c = ee_Read(uint32_t(pos));
+    uint8_t c = ee_Read(uint32_t(REAL_EEPROM_ADDR(pos)));
     if (writing) *value = c;
     crc16(crc, &c, 1);
     pos++;

Marlin/src/HAL/DUE/eeprom_wired.cpp

@@ -36,14 +36,14 @@
 #ifndef MARLIN_EEPROM_SIZE
   #error "MARLIN_EEPROM_SIZE is required for I2C / SPI EEPROM."
 #endif
-size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 bool PersistentStore::access_start()  { eeprom_init(); return true; }
 bool PersistentStore::access_finish() { return true; }
 
 bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   uint16_t written = 0;
   while (size--) {
-    uint8_t * const p = (uint8_t * const)pos;
+    uint8_t * const p = (uint8_t * const)REAL_EEPROM_ADDR(pos);
     uint8_t v = *value;
     if (v != eeprom_read_byte(p)) { // EEPROM has only ~100,000 write cycles, so only write bytes that have changed!
       eeprom_write_byte(p, v);
@@ -62,7 +62,7 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
 
 bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
   do {
-    uint8_t c = eeprom_read_byte((uint8_t*)pos);
+    const uint8_t c = eeprom_read_byte((uint8_t*)REAL_EEPROM_ADDR(pos));
     if (writing) *value = c;
     crc16(crc, &c, 1);
     pos++;

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/fastio/G2_PWM.h

@@ -49,7 +49,6 @@ extern volatile uint32_t *SODR_A, *SODR_B, *CODR_A, *CODR_B;
 
 #define PWM_MAP_INIT_ROW(IO,ZZ) { ZZ == 'A' ? SODR_A : SODR_B,  ZZ == 'A' ? CODR_A : CODR_B, 1 << _PIN(IO) }
 
-
 #define PWM_MAP_INIT {  PWM_MAP_INIT_ROW(MOTOR_CURRENT_PWM_X_PIN, 'B'), \
                         PWM_MAP_INIT_ROW(MOTOR_CURRENT_PWM_Y_PIN, 'B'), \
                         PWM_MAP_INIT_ROW(MOTOR_CURRENT_PWM_Z_PIN, 'B'), \

Marlin/src/HAL/DUE/fastio/G2_pins.h

@@ -168,7 +168,6 @@ const G2_PinDescription G2_g_APinDescription[] = {
   { PIOB, PIO_PB21,          ID_PIOB, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL,                  NO_ADC, NO_ADC, NOT_ON_PWM,  NOT_ON_TIMER }, // PIN 52
   { PIOB, PIO_PB14,          ID_PIOB, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL,                  NO_ADC, NO_ADC, NOT_ON_PWM,  NOT_ON_TIMER }, // PIN 53
 
-
   // 54 .. 65 - Analog pins
   // ----------------------
   { PIOA, PIO_PA16X1_AD7,    ID_PIOA, PIO_INPUT,    PIO_DEFAULT, PIN_ATTR_ANALOG,                   ADC0,   ADC7,   NOT_ON_PWM,  NOT_ON_TIMER }, // AD0

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

@@ -72,10 +72,10 @@
 
 #if HAS_MEDIA && HAS_DRIVER(TMC2130)
   #if ENABLED(TMC_USE_SW_SPI)
-    #if DISABLED(DUE_SOFTWARE_SPI) && (_IS_HW_SPI(MOSI) || _IS_HW_SPI(MISO) || _IS_HW_SPI(SCK))
+    #if DISABLED(SOFTWARE_SPI) && (_IS_HW_SPI(MOSI) || _IS_HW_SPI(MISO) || _IS_HW_SPI(SCK))
       #error "DUE hardware SPI is required but is incompatible with TMC2130 software SPI. Either disable TMC_USE_SW_SPI or use separate pins for the two SPIs."
     #endif
-  #elif ENABLED(DUE_SOFTWARE_SPI)
+  #elif ENABLED(SOFTWARE_SPI)
     #error "DUE software SPI is required but is incompatible with TMC2130 hardware SPI. Enable TMC_USE_SW_SPI to fix."
   #endif
 #endif

Marlin/src/HAL/DUE/spi_pins.h

@@ -48,7 +48,7 @@
   #define SD_MOSI_PIN       75
 #else
   // defaults
-  #define DUE_SOFTWARE_SPI
+  #define SOFTWARE_SPI
   #ifndef SD_SCK_PIN
     #define SD_SCK_PIN      52
   #endif

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

@@ -142,7 +142,6 @@
  */
 #define COMPILER_PACK_RESET()          COMPILER_PRAGMA(pack())
 
-
 /**
  * \brief Set aligned boundary.
  */
@@ -283,7 +282,6 @@ typedef double                  F64;  //!< 64-bit floating-point number.
 typedef uint32_t                iram_size_t;
 //! @}
 
-
 /*! \name Status Types
  */
 //! @{
@@ -291,7 +289,6 @@ typedef bool                Status_bool_t;  //!< Boolean status.
 typedef U8                  Status_t;       //!< 8-bit-coded status.
 //! @}
 
-
 /*! \name Aliasing Aggregate Types
  */
 //! @{
@@ -462,7 +459,6 @@ typedef struct
 #endif
 //! @}
 
-
 #ifndef __ASSEMBLY__ // not for assembling.
 
 //! \name Optimization Control
@@ -581,7 +577,6 @@ typedef struct
 
 //! @}
 
-
 /*! \name Zero-Bit Counting
  *
  * Under GCC, __builtin_clz and __builtin_ctz behave like macros when
@@ -692,7 +687,6 @@ typedef struct
 
 //! @}
 
-
 /*! \name Bit Reversing
  */
 //! @{
@@ -732,7 +726,6 @@ typedef struct
 
 //! @}
 
-
 /*! \name Alignment
  */
 //! @{
@@ -798,7 +791,6 @@ typedef struct
  */
 #define Long_call(addr)                   ((*(void (*)(void))(addr))())
 
-
 /*! \name MCU Endianism Handling
  * ARM is MCU little endianism.
  */
@@ -868,7 +860,6 @@ typedef struct
 #define  CPU_TO_BE32(x) swap32(x)
 //! @}
 
-
 /*! \name Endianism Conversion
  *
  * The same considerations as for clz and ctz apply here but GCC's
@@ -955,7 +946,6 @@ typedef struct
 
 //! @}
 
-
 /*! \name Target Abstraction
  */
 //! @{
@@ -997,7 +987,6 @@ typedef U8                  Byte;       //!< 8-bit unsigned integer.
 
 #endif  // #ifndef __ASSEMBLY__
 
-
 #ifdef __ICCARM__
 #define SHORTENUM           __packed
 #elif defined(__GNUC__)

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

@@ -81,7 +81,6 @@
 #define LUN_0_NAME                              "\"SD/MMC Card\""
 //! @}
 
-
 /*! \name Actions Associated with Memory Accesses
  *
  * Write here the action to associate with each memory access.
@@ -112,5 +111,4 @@
 #define GLOBAL_WR_PROTECT    false   //!< Management of a global write protection.
 //! @}
 
-
 #endif // _CONF_ACCESS_H_

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

@@ -96,5 +96,4 @@
 // - UPLL frequency: 480MHz
 // - USB clock: 480 / 1 = 480MHz
 
-
 #endif /* CONF_CLOCK_H_INCLUDED */

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

@@ -88,7 +88,6 @@
 #endif
 //@}
 
-
 /**
  * USB Device Callbacks definitions (Optional)
  * @{
@@ -150,7 +149,6 @@
 
 //@}
 
-
 /**
  * USB Interface Configuration
  * @{
@@ -210,7 +208,6 @@
   //@}
   //@}
 
-
   /**
    * Configuration of MSC interface
    * @{
@@ -245,7 +242,6 @@
 
   //@}
 
-
   /**
    * Description of Composite Device
    * @{

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

@@ -68,7 +68,6 @@
 #endif
 #include "ctrl_access.h"
 
-
 //_____ D E F I N I T I O N S ______________________________________________
 
 #ifdef FREERTOS_USED
@@ -112,7 +111,6 @@ static xSemaphoreHandle ctrl_access_semphr = NULL;
 
 #endif  // FREERTOS_USED
 
-
 #if MAX_LUN
 
 /*! \brief Initializes an entry of the LUN descriptor table.
@@ -242,17 +240,14 @@ static const struct
 
 #endif
 
-
 #if GLOBAL_WR_PROTECT == true
 bool g_wr_protect;
 #endif
 
-
 /*! \name Control Interface
  */
 //! @{
 
-
 #ifdef FREERTOS_USED
 
 bool ctrl_access_init(void)
@@ -270,7 +265,6 @@ bool ctrl_access_init(void)
   return true;
 }
 
-
 /*! \brief Locks accesses to LUNs.
  *
  * \return \c true if the access was successfully locked, else \c false.
@@ -288,7 +282,6 @@ static bool ctrl_access_lock(void)
 
 #endif  // FREERTOS_USED
 
-
 U8 get_nb_lun(void)
 {
 #if MEM_USB == ENABLE
@@ -309,13 +302,11 @@ U8 get_nb_lun(void)
 #endif
 }
 
-
 U8 get_cur_lun(void)
 {
   return LUN_ID_0;
 }
 
-
 Ctrl_status mem_test_unit_ready(U8 lun)
 {
   Ctrl_status status;
@@ -337,7 +328,6 @@ Ctrl_status mem_test_unit_ready(U8 lun)
   return status;
 }
 
-
 Ctrl_status mem_read_capacity(U8 lun, U32 *u32_nb_sector)
 {
   Ctrl_status status;
@@ -359,7 +349,6 @@ Ctrl_status mem_read_capacity(U8 lun, U32 *u32_nb_sector)
   return status;
 }
 
-
 U8 mem_sector_size(U8 lun)
 {
   U8 sector_size;
@@ -381,7 +370,6 @@ U8 mem_sector_size(U8 lun)
   return sector_size;
 }
 
-
 bool mem_unload(U8 lun, bool unload)
 {
   bool unloaded;
@@ -433,7 +421,6 @@ bool mem_wr_protect(U8 lun)
   return wr_protect;
 }
 
-
 bool mem_removal(U8 lun)
 {
   bool removal;
@@ -458,7 +445,6 @@ bool mem_removal(U8 lun)
   return removal;
 }
 
-
 const char *mem_name(U8 lun)
 {
 #if MAX_LUN==0
@@ -475,17 +461,14 @@ const char *mem_name(U8 lun)
 #endif
 }
 
-
 //! @}
 
-
 #if ACCESS_USB == true
 
 /*! \name MEM <-> USB Interface
  */
 //! @{
 
-
 Ctrl_status memory_2_usb(U8 lun, U32 addr, U16 nb_sector)
 {
   Ctrl_status status;
@@ -505,7 +488,6 @@ Ctrl_status memory_2_usb(U8 lun, U32 addr, U16 nb_sector)
   return status;
 }
 
-
 Ctrl_status usb_2_memory(U8 lun, U32 addr, U16 nb_sector)
 {
   Ctrl_status status;
@@ -525,19 +507,16 @@ Ctrl_status usb_2_memory(U8 lun, U32 addr, U16 nb_sector)
   return status;
 }
 
-
 //! @}
 
 #endif  // ACCESS_USB == true
 
-
 #if ACCESS_MEM_TO_RAM == true
 
 /*! \name MEM <-> RAM Interface
  */
 //! @{
 
-
 Ctrl_status memory_2_ram(U8 lun, U32 addr, void *ram)
 {
   Ctrl_status status;
@@ -564,7 +543,6 @@ Ctrl_status memory_2_ram(U8 lun, U32 addr, void *ram)
   return status;
 }
 
-
 Ctrl_status ram_2_memory(U8 lun, U32 addr, const void *ram)
 {
   Ctrl_status status;
@@ -591,19 +569,16 @@ Ctrl_status ram_2_memory(U8 lun, U32 addr, const void *ram)
   return status;
 }
 
-
 //! @}
 
 #endif  // ACCESS_MEM_TO_RAM == true
 
-
 #if ACCESS_STREAM == true
 
 /*! \name Streaming MEM <-> MEM Interface
  */
 //! @{
 
-
   #if ACCESS_MEM_TO_MEM == true
 
 #include "fat.h"
@@ -625,21 +600,18 @@ Ctrl_status stream_mem_to_mem(U8 src_lun, U32 src_addr, U8 dest_lun, U32 dest_ad
 
   #endif  // ACCESS_MEM_TO_MEM == true
 
-
 Ctrl_status stream_state(U8 id)
 {
   UNUSED(id);
   return CTRL_GOOD;
 }
 
-
 U16 stream_stop(U8 id)
 {
   UNUSED(id);
   return 0;
 }
 
-
 //! @}
 
 #endif // ACCESS_STREAM

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

@@ -56,7 +56,6 @@
  * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
-
 #ifndef _CTRL_ACCESS_H_
 #define _CTRL_ACCESS_H_
 
@@ -89,7 +88,6 @@ typedef enum
   CTRL_BUSY       = FAIL + 2  //!< Memory not initialized or changed.
 } Ctrl_status;
 
-
 // FYI: Each Logical Unit Number (LUN) corresponds to a memory.
 
 // Check LUN defines.
@@ -136,7 +134,6 @@ typedef enum
 #define LUN_ID_USB      (MAX_LUN)           //!< First dynamic LUN (USB host mass storage).
 //! @}
 
-
 // Include LUN header files.
 #if LUN_0 == ENABLE
   #include LUN_0_INCLUDE
@@ -166,13 +163,11 @@ typedef enum
   #include LUN_USB_INCLUDE
 #endif
 
-
 // Check the configuration of write protection in conf_access.h.
 #ifndef GLOBAL_WR_PROTECT
   #error GLOBAL_WR_PROTECT must be defined as true or false in conf_access.h
 #endif
 
-
 #if GLOBAL_WR_PROTECT == true
 
 //! Write protect.
@@ -180,7 +175,6 @@ extern bool g_wr_protect;
 
 #endif
 
-
 /*! \name Control Interface
  */
 //! @{
@@ -279,7 +273,6 @@ extern const char *mem_name(U8 lun);
 
 //! @}
 
-
 #if ACCESS_USB == true
 
 /*! \name MEM <-> USB Interface
@@ -310,7 +303,6 @@ extern Ctrl_status usb_2_memory(U8 lun, U32 addr, U16 nb_sector);
 
 #endif  // ACCESS_USB == true
 
-
 #if ACCESS_MEM_TO_RAM == true
 
 /*! \name MEM <-> RAM Interface
@@ -341,7 +333,6 @@ extern Ctrl_status ram_2_memory(U8 lun, U32 addr, const void *ram);
 
 #endif  // ACCESS_MEM_TO_RAM == true
 
-
 #if ACCESS_STREAM == true
 
 /*! \name Streaming MEM <-> MEM Interface

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

@@ -57,7 +57,6 @@
 
 #include "preprocessor.h"
 
-
 //! Maximal number of repetitions supported by MREPEAT.
 #define MREPEAT_LIMIT   256
 

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

@@ -128,7 +128,6 @@ static inline void osc_enable(uint32_t ul_id) {
     pmc_switch_sclk_to_32kxtal(PMC_OSC_BYPASS);
     break;
 
-
   case OSC_MAINCK_4M_RC:
     pmc_switch_mainck_to_fastrc(CKGR_MOR_MOSCRCF_4_MHz);
     break;
@@ -141,7 +140,6 @@ static inline void osc_enable(uint32_t ul_id) {
     pmc_switch_mainck_to_fastrc(CKGR_MOR_MOSCRCF_12_MHz);
     break;
 
-
   case OSC_MAINCK_XTAL:
     pmc_switch_mainck_to_xtal(PMC_OSC_XTAL/*,
       pmc_us_to_moscxtst(BOARD_OSC_STARTUP_US,

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

@@ -51,5 +51,4 @@
 #include "stringz.h"
 #include "mrepeat.h"
 
-
 #endif  // _PREPROCESSOR_H_

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

@@ -86,7 +86,6 @@ enum scsi_sbc_mode {
   SCSI_MS_MODE_CACHING = 0x08,    //!< Caching mode page
 };
 
-
 //! \name SBC-2 Device-Specific Parameter
 //@{
 #define SCSI_MS_SBC_WP              0x80    //!< Write Protected

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

@@ -45,7 +45,6 @@
  * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
-
 #ifndef _SD_MMC_SPI_MEM_H_
 #define _SD_MMC_SPI_MEM_H_
 
@@ -63,22 +62,19 @@
   #error sd_mmc_spi_mem.h is #included although SD_MMC_SPI_MEM is disabled
 #endif
 
-
 #include "ctrl_access.h"
 
-
 //_____ D E F I N I T I O N S ______________________________________________
 
 #define   SD_MMC_REMOVED       0
 #define   SD_MMC_INSERTED      1
 #define   SD_MMC_REMOVING      2
 
-
 //---- CONTROL FUNCTIONS ----
 //!
 //! @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.
@@ -91,7 +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.
@@ -102,7 +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
  *
@@ -113,7 +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.
@@ -124,15 +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 ----
 
@@ -152,7 +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
 //!
@@ -166,7 +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/DUE/usb/sysclk.h

@@ -212,7 +212,6 @@ extern "C" {
   #define CONFIG_USBCLK_DIV
 #endif
 
-
 extern void sysclk_enable_usb(void);
 extern void sysclk_disable_usb(void);
 

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

@@ -83,7 +83,6 @@ static usb_iface_desc_t UDC_DESC_STORAGE *udc_ptr_iface;
 
 //! @}
 
-
 //! \name Internal structure to store the USB device main strings
 //! @{
 

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

@@ -685,6 +685,4 @@ usb_iface_desc_t UDC_DESC_STORAGE *udc_get_interface_desc(void);
    } \endcode
  */
 
-
-
 #endif // _UDC_H_

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

@@ -213,7 +213,6 @@ void udd_send_remotewakeup(void);
  */
 void udd_set_setup_payload( uint8_t *payload, uint16_t payload_size );
 
-
 /**
  * \name Endpoint Management
  *

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

@@ -457,7 +457,6 @@ void udi_cdc_data_sof_notify(void)
 #endif
 }
 
-
 // ------------------------
 //------- Internal routines to control serial line
 
@@ -520,7 +519,6 @@ static void udi_cdc_ctrl_state_change(uint8_t port, bool b_set, le16_t bit_mask)
 	udi_cdc_ctrl_state_notify(port, ep_comm);
 }
 
-
 static void udi_cdc_ctrl_state_notify(uint8_t port, udd_ep_id_t ep)
 {
 #if UDI_CDC_PORT_NB == 1 // To optimize code
@@ -542,7 +540,6 @@ static void udi_cdc_ctrl_state_notify(uint8_t port, udd_ep_id_t ep)
 	}
 }
 
-
 static void udi_cdc_serial_state_msg_sent(udd_ep_status_t status, iram_size_t n, udd_ep_id_t ep)
 {
 	uint8_t port;
@@ -578,11 +575,9 @@ static void udi_cdc_serial_state_msg_sent(udd_ep_status_t status, iram_size_t n,
 	udi_cdc_ctrl_state_notify(port, ep);
 }
 
-
 // ------------------------
 //------- Internal routines to process data transfer
 
-
 static bool udi_cdc_rx_start(uint8_t port)
 {
 	irqflags_t flags;
@@ -632,7 +627,6 @@ static bool udi_cdc_rx_start(uint8_t port)
 			udi_cdc_data_received);
 }
 
-
 static void udi_cdc_data_received(udd_ep_status_t status, iram_size_t n, udd_ep_id_t ep)
 {
 	uint8_t buf_sel_trans;
@@ -668,7 +662,6 @@ static void udi_cdc_data_received(udd_ep_status_t status, iram_size_t n, udd_ep_
 	udi_cdc_rx_start(port);
 }
 
-
 static void udi_cdc_data_sent(udd_ep_status_t status, iram_size_t n, udd_ep_id_t ep)
 {
 	uint8_t port;
@@ -700,7 +693,6 @@ static void udi_cdc_data_sent(udd_ep_status_t status, iram_size_t n, udd_ep_id_t
 	udi_cdc_tx_send(port);
 }
 
-
 static void udi_cdc_tx_send(uint8_t port)
 {
 	irqflags_t flags;
@@ -780,11 +772,9 @@ static void udi_cdc_tx_send(uint8_t port)
 			udi_cdc_data_sent);
 }
 
-
 // ------------------------
 //------- Application interface
 
-
 //------- Application interface
 
 void udi_cdc_ctrl_signal_dcd(bool b_set)

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

@@ -106,7 +106,6 @@ typedef struct {
   usb_ep_desc_t ep_notify;
 } udi_cdc_comm_desc_t;
 
-
 /**
  * \brief Data Class interface descriptor
  *
@@ -121,7 +120,6 @@ typedef struct {
   usb_ep_desc_t ep_out;
 } udi_cdc_data_desc_t;
 
-
 //! CDC communication endpoints size for all speeds
 #define UDI_CDC_COMM_EP_SIZE        64
 //! CDC data endpoints size for FS speed (8B, 16B, 32B, 64B)

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

@@ -109,7 +109,6 @@ UDC_DESC_STORAGE usb_dev_desc_t udc_device_desc = {
   .bNumConfigurations = 1
 };
 
-
 #ifdef USB_DEVICE_HS_SUPPORT
 //! USB Device Qualifier Descriptor for HS
 COMPILER_WORD_ALIGNED

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

@@ -93,7 +93,6 @@ UDC_DESC_STORAGE usb_dev_desc_t udc_device_desc = {
   .bNumConfigurations        = 1
 };
 
-
 #ifdef USB_DEVICE_HS_SUPPORT
 //! USB Device Qualifier Descriptor for HS
 COMPILER_WORD_ALIGNED
@@ -147,7 +146,6 @@ UDC_DESC_STORAGE udc_desc_t udc_desc_hs = {
 };
 #endif
 
-
 /**
  * \name UDC structures which contains all USB Device definitions
  */

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

@@ -86,7 +86,6 @@ UDC_DESC_STORAGE udi_api_t udi_api_msc = {
 };
 //@}
 
-
 /**
  * \ingroup udi_msc_group
  * \defgroup udi_msc_group_internal Implementation of UDI MSC
@@ -137,7 +136,6 @@ volatile bool udi_msc_b_reset_trans = true;
 
 //@}
 
-
 /**
  * \name Internal routines
  */
@@ -190,7 +188,6 @@ static void udi_msc_cbw_received(udd_ep_status_t status,
 static bool udi_msc_cbw_validate(uint32_t alloc_len, uint8_t dir_flag);
 //@}
 
-
 /**
  * \name Routines to process small data packet
  */
@@ -217,7 +214,6 @@ static void udi_msc_data_sent(udd_ep_status_t status, iram_size_t nb_sent,
     udd_ep_id_t ep);
 //@}
 
-
 /**
  * \name Routines to process CSW packet
  */
@@ -250,7 +246,6 @@ static void udi_msc_csw_sent(udd_ep_status_t status, iram_size_t nb_sent,
     udd_ep_id_t ep);
 //@}
 
-
 /**
  * \name Routines manage sense data
  */
@@ -307,7 +302,6 @@ static void udi_msc_sense_fail_cdb_invalid(void);
 static void udi_msc_sense_command_invalid(void);
 //@}
 
-
 /**
  * \name Routines manage SCSI Commands
  */

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

@@ -293,7 +293,6 @@ do { \
 # endif
 #endif
 
-
 /**
  * \name Power management routine.
  */
@@ -310,7 +309,6 @@ static bool udd_b_idle;
 //! State of sleep manager
 static bool udd_b_sleep_initialized = false;
 
-
 /*! \brief Authorize or not the CPU powerdown mode
  *
  * \param b_enable true to authorize idle mode
@@ -338,7 +336,6 @@ static void udd_sleep_mode(bool b_idle)
 
 //@}
 
-
 /**
  * \name Control endpoint low level management routine.
  *
@@ -410,7 +407,6 @@ static void udd_ctrl_send_zlp_out(void);
 //! \brief Call callback associated to setup request
 static void udd_ctrl_endofrequest(void);
 
-
 /**
  * \brief Main interrupt routine for control endpoint
  *
@@ -422,7 +418,6 @@ static bool udd_ctrl_interrupt(void);
 
 //@}
 
-
 /**
  * \name Management of bulk/interrupt/isochronous endpoints
  *
@@ -460,7 +455,6 @@ typedef struct {
 	uint8_t stall_requested:1;
 } udd_ep_job_t;
 
-
 //! Array to register a job on bulk/interrupt/isochronous endpoint
 static udd_ep_job_t udd_ep_job[USB_DEVICE_MAX_EP];
 
@@ -522,7 +516,6 @@ static bool udd_ep_interrupt(void);
 #endif // (0!=USB_DEVICE_MAX_EP)
 //@}
 
-
 // ------------------------
 //--- INTERNAL ROUTINES TO MANAGED GLOBAL EVENTS
 
@@ -671,13 +664,11 @@ udd_interrupt_sof_end:
 	return;
 }
 
-
 bool udd_include_vbus_monitoring(void)
 {
 	return true;
 }
 
-
 void udd_enable(void)
 {
 	irqflags_t flags;
@@ -764,7 +755,6 @@ void udd_enable(void)
 	cpu_irq_restore(flags);
 }
 
-
 void udd_disable(void)
 {
 	irqflags_t flags;
@@ -866,7 +856,6 @@ void udd_attach(void)
 	cpu_irq_restore(flags);
 }
 
-
 void udd_detach(void)
 {
 	otg_unfreeze_clock();
@@ -883,7 +872,6 @@ void udd_detach(void)
 	udd_sleep_mode(false);
 }
 
-
 bool udd_is_high_speed(void)
 {
 #ifdef USB_DEVICE_HS_SUPPORT
@@ -893,7 +881,6 @@ bool udd_is_high_speed(void)
 #endif
 }
 
-
 void udd_set_address(uint8_t address)
 {
 	udd_disable_address();
@@ -901,13 +888,11 @@ void udd_set_address(uint8_t address)
 	udd_enable_address();
 }
 
-
 uint8_t udd_getaddress(void)
 {
 	return udd_get_configured_address();
 }
 
-
 uint16_t udd_get_frame_number(void)
 {
 	return udd_frame_number();
@@ -930,14 +915,12 @@ void udd_send_remotewakeup(void)
 	}
 }
 
-
 void udd_set_setup_payload(uint8_t *payload, uint16_t payload_size)
 {
 	udd_g_ctrlreq.payload = payload;
 	udd_g_ctrlreq.payload_size = payload_size;
 }
 
-
 #if (0 != USB_DEVICE_MAX_EP)
 bool udd_ep_alloc(udd_ep_id_t ep, uint8_t bmAttributes,
 		uint16_t MaxEndpointSize)
@@ -1061,7 +1044,6 @@ bool udd_ep_alloc(udd_ep_id_t ep, uint8_t bmAttributes,
 	return true;
 }
 
-
 void udd_ep_free(udd_ep_id_t ep)
 {
 	uint8_t ep_index = ep & USB_EP_ADDR_MASK;
@@ -1074,14 +1056,12 @@ void udd_ep_free(udd_ep_id_t ep)
 	udd_ep_job[ep_index - 1].stall_requested = false;
 }
 
-
 bool udd_ep_is_halted(udd_ep_id_t ep)
 {
 	uint8_t ep_index = ep & USB_EP_ADDR_MASK;
 	return Is_udd_endpoint_stall_requested(ep_index);
 }
 
-
 bool udd_ep_set_halt(udd_ep_id_t ep)
 {
 	uint8_t ep_index = ep & USB_EP_ADDR_MASK;
@@ -1122,7 +1102,6 @@ bool udd_ep_set_halt(udd_ep_id_t ep)
 	return true;
 }
 
-
 bool udd_ep_clear_halt(udd_ep_id_t ep)
 {
 	uint8_t ep_index = ep & USB_EP_ADDR_MASK;
@@ -1163,7 +1142,6 @@ bool udd_ep_clear_halt(udd_ep_id_t ep)
 	return true;
 }
 
-
 bool udd_ep_run(udd_ep_id_t ep, bool b_shortpacket,
 		uint8_t * buf, iram_size_t buf_size,
 		udd_callback_trans_t callback)
@@ -1230,7 +1208,6 @@ bool udd_ep_run(udd_ep_id_t ep, bool b_shortpacket,
 #endif
 }
 
-
 void udd_ep_abort(udd_ep_id_t ep)
 {
 	uint8_t ep_index = ep & USB_EP_ADDR_MASK;
@@ -1259,7 +1236,6 @@ void udd_ep_abort(udd_ep_id_t ep)
 	udd_ep_abort_job(ep);
 }
 
-
 bool udd_ep_wait_stall_clear(udd_ep_id_t ep,
 		udd_callback_halt_cleared_t callback)
 {
@@ -1294,7 +1270,6 @@ bool udd_ep_wait_stall_clear(udd_ep_id_t ep,
 }
 #endif // (0 != USB_DEVICE_MAX_EP)
 
-
 #ifdef USB_DEVICE_HS_SUPPORT
 
 void udd_test_mode_j(void)
@@ -1303,20 +1278,17 @@ void udd_test_mode_j(void)
 	udd_enable_hs_test_mode_j();
 }
 
-
 void udd_test_mode_k(void)
 {
 	udd_enable_hs_test_mode();
 	udd_enable_hs_test_mode_k();
 }
 
-
 void udd_test_mode_se0_nak(void)
 {
 	udd_enable_hs_test_mode();
 }
 
-
 void udd_test_mode_packet(void)
 {
 	uint8_t i;
@@ -1360,8 +1332,6 @@ void udd_test_mode_packet(void)
 }
 #endif // USB_DEVICE_HS_SUPPORT
 
-
-
 // ------------------------
 //--- INTERNAL ROUTINES TO MANAGED THE CONTROL ENDPOINT
 
@@ -1411,7 +1381,6 @@ static void udd_ctrl_init(void)
 	udd_ep_control_state = UDD_EPCTRL_SETUP;
 }
 
-
 static void udd_ctrl_setup_received(void)
 {
 	irqflags_t flags;
@@ -1473,7 +1442,6 @@ static void udd_ctrl_setup_received(void)
 	}
 }
 
-
 static void udd_ctrl_in_sent(void)
 {
 	static bool b_shortpacket = false;
@@ -1557,7 +1525,6 @@ static void udd_ctrl_in_sent(void)
 	cpu_irq_restore(flags);
 }
 
-
 static void udd_ctrl_out_received(void)
 {
 	irqflags_t flags;
@@ -1648,7 +1615,6 @@ static void udd_ctrl_out_received(void)
 	cpu_irq_restore(flags);
 }
 
-
 static void udd_ctrl_underflow(void)
 {
 	if (Is_udd_out_received(0))
@@ -1665,7 +1631,6 @@ static void udd_ctrl_underflow(void)
 	}
 }
 
-
 static void udd_ctrl_overflow(void)
 {
 	if (Is_udd_in_send(0))
@@ -1681,7 +1646,6 @@ static void udd_ctrl_overflow(void)
 	}
 }
 
-
 static void udd_ctrl_stall_data(void)
 {
 	// Stall all packets on IN & OUT control endpoint
@@ -1689,7 +1653,6 @@ static void udd_ctrl_stall_data(void)
 	udd_enable_stall_handshake(0);
 }
 
-
 static void udd_ctrl_send_zlp_in(void)
 {
 	irqflags_t flags;
@@ -1707,7 +1670,6 @@ static void udd_ctrl_send_zlp_in(void)
 	cpu_irq_restore(flags);
 }
 
-
 static void udd_ctrl_send_zlp_out(void)
 {
 	irqflags_t flags;
@@ -1723,7 +1685,6 @@ static void udd_ctrl_send_zlp_out(void)
 	cpu_irq_restore(flags);
 }
 
-
 static void udd_ctrl_endofrequest(void)
 {
 	// If a callback is registered then call it
@@ -1732,7 +1693,6 @@ static void udd_ctrl_endofrequest(void)
 	}
 }
 
-
 static bool udd_ctrl_interrupt(void)
 {
 
@@ -1783,7 +1743,6 @@ static bool udd_ctrl_interrupt(void)
 	return false;
 }
 
-
 // ------------------------
 //--- INTERNAL ROUTINES TO MANAGED THE BULK/INTERRUPT/ISOCHRONOUS ENDPOINTS
 
@@ -1798,7 +1757,6 @@ static void udd_ep_job_table_reset(void)
 	}
 }
 
-
 static void udd_ep_job_table_kill(void)
 {
 	uint8_t i;
@@ -1809,7 +1767,6 @@ static void udd_ep_job_table_kill(void)
 	}
 }
 
-
 static void udd_ep_abort_job(udd_ep_id_t ep)
 {
 	ep &= USB_EP_ADDR_MASK;
@@ -1818,7 +1775,6 @@ static void udd_ep_abort_job(udd_ep_id_t ep)
 	udd_ep_finish_job(&udd_ep_job[ep - 1], true, ep);
 }
 
-
 static void udd_ep_finish_job(udd_ep_job_t * ptr_job, bool b_abort, uint8_t ep_num)
 {
 	if (ptr_job->busy == false) {
@@ -1889,7 +1845,6 @@ static void udd_ep_trans_done(udd_ep_id_t ep)
 		udd_dma_ctrl |= UOTGHS_DEVDMACONTROL_END_BUFFIT |
 				UOTGHS_DEVDMACONTROL_CHANN_ENB;
 
-
 		// Disable IRQs to have a short sequence
 		// between read of EOT_STA and DMA enable
 		flags = cpu_irq_save();

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

@@ -129,7 +129,6 @@ extern "C" {
 #define Is_udd_vbus_transition()          (Tst_bits(UOTGHS->UOTGHS_SR, UOTGHS_SR_VBUSTI))
 //! @}
 
-
 //! @name UOTGHS device attach control
 //! These macros manage the UOTGHS Device attach.
 //! @{
@@ -141,7 +140,6 @@ extern "C" {
 #define Is_udd_detached()                 (Tst_bits(UOTGHS->UOTGHS_DEVCTRL, UOTGHS_DEVCTRL_DETACH))
 //! @}
 
-
 //! @name UOTGHS device bus events control
 //! These macros manage the UOTGHS Device bus events.
 //! @{
@@ -246,7 +244,6 @@ extern "C" {
 #define udd_get_configured_address()              (Rd_bitfield(UOTGHS->UOTGHS_DEVCTRL, UOTGHS_DEVCTRL_UADD_Msk))
 //! @}
 
-
 //! @name UOTGHS Device endpoint drivers
 //! These macros manage the common features of the endpoints.
 //! @{
@@ -330,7 +327,6 @@ extern "C" {
 #define udd_data_toggle(ep)                       (Rd_bitfield(UOTGHS_ARRAY(UOTGHS_DEVEPTISR[0], ep), UOTGHS_DEVEPTISR_DTSEQ_Msk))
 //! @}
 
-
 //! @name UOTGHS Device control endpoint
 //! These macros control the endpoints.
 //! @{
@@ -530,7 +526,6 @@ extern "C" {
   //! Tests if IN sending interrupt is enabled
 #define Is_udd_in_send_interrupt_enabled(ep)      (Tst_bits(UOTGHS_ARRAY(UOTGHS_DEVEPTIMR[0], ep), UOTGHS_DEVEPTIMR_TXINE))
 
-
   //! Get 64-, 32-, 16- or 8-bit access to FIFO data register of selected endpoint.
   //! @param ep Endpoint of which to access FIFO data register
   //! @param scale Data scale in bits: 64, 32, 16 or 8
@@ -652,7 +647,6 @@ typedef struct {
 //! @}
 //! @}
 
-
 /// @cond 0
 /**INDENT-OFF**/
 #ifdef __cplusplus

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

@@ -53,7 +53,6 @@
 extern "C" {
 #endif
 
-
 //! \ingroup usb_group
 //! \defgroup otg_group UOTGHS OTG Driver
 //! UOTGHS low-level driver for OTG features
@@ -74,7 +73,6 @@ bool otg_dual_enable(void);
  */
 void otg_dual_disable(void);
 
-
 //! @name UOTGHS OTG ID pin management
 //! The ID pin come from the USB OTG connector (A and B receptable) and
 //! allows to select the USB mode host or device.

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

@@ -374,7 +374,6 @@ typedef struct {
   uint8_t bNumDeviceCaps;
 } usb_dev_bos_desc_t;
 
-
 /**
  * \brief USB Device Capabilities - USB 2.0 Extension Descriptor structure
  *
@@ -411,7 +410,6 @@ typedef struct {
   uint8_t iFunction;        //!< Index of string descriptor
 } usb_association_desc_t;
 
-
 /**
  * \brief Standard USB configuration descriptor structure
  */
@@ -426,7 +424,6 @@ typedef struct {
   uint8_t bMaxPower;
 } usb_conf_desc_t;
 
-
 #define  USB_CONFIG_ATTR_MUST_SET         (1 << 7) //!< Must always be set
 #define  USB_CONFIG_ATTR_BUS_POWERED      (0 << 6) //!< Bus-powered
 #define  USB_CONFIG_ATTR_SELF_POWERED     (1 << 6) //!< Self-powered
@@ -475,7 +472,6 @@ typedef struct {
   uint8_t bInterval;
 } usb_ep_desc_t;
 
-
 /**
  * \brief A standard USB string descriptor structure
  */

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

@@ -168,7 +168,6 @@ COMPILER_PACK_SET(1)
 //! \name USB CDC Descriptors
 //@{
 
-
 //! CDC Header Functional Descriptor
 typedef struct {
   uint8_t bFunctionLength;
@@ -203,7 +202,6 @@ typedef struct {
   uint8_t bSlaveInterface0;
 } usb_cdc_union_desc_t;
 
-
 //! \name USB CDC Call Management Capabilities
 //@{
 //! Device handles call management itself
@@ -278,7 +276,6 @@ typedef struct {
 //@}
 //@}
 
-
 //! \name USB CDC notification message
 //@{
 

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

@@ -47,7 +47,6 @@
 #ifndef _USB_PROTOCOL_MSC_H_
 #define _USB_PROTOCOL_MSC_H_
 
-
 /**
  * \ingroup usb_protocol_group
  * \defgroup usb_msc_protocol USB Mass Storage Class (MSC) protocol definitions
@@ -89,7 +88,6 @@
 #define MSC_PROTOCOL_BULK           0x50  //!< Bulk-only
 //@}
 
-
 /**
  * \brief MSC USB requests (bRequest)
  */
@@ -98,7 +96,6 @@ enum usb_reqid_msc {
   USB_REQ_MSC_GET_MAX_LUN = 0xFE  //!< Get Max LUN
 };
 
-
 COMPILER_PACK_SET(1)
 
 /**
@@ -122,7 +119,6 @@ struct usb_msc_cbw {
 #define USB_CBW_LEN_MASK            0x1F  //!< Valid bits in bCBWCBLength
 //@}
 
-
 /**
  * \name A Command Status Wrapper (CSW).
  */

Marlin/src/HAL/ESP32/eeprom.cpp

@@ -31,24 +31,28 @@
 #ifndef MARLIN_EEPROM_SIZE
   #define MARLIN_EEPROM_SIZE 0x1000 // 4KB
 #endif
-size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 
 bool PersistentStore::access_start()  { return EEPROM.begin(MARLIN_EEPROM_SIZE); }
 bool PersistentStore::access_finish() { EEPROM.end(); return true; }
 
 bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   for (size_t i = 0; i < size; i++) {
-    EEPROM.write(pos++, value[i]);
+    const int p = REAL_EEPROM_ADDR(pos);
+    EEPROM.write(p, value[i]);
     crc16(crc, &value[i], 1);
+    ++pos;
   }
   return false;
 }
 
 bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
   for (size_t i = 0; i < size; i++) {
-    uint8_t c = EEPROM.read(pos++);
+    const int p = REAL_EEPROM_ADDR(pos);
+    uint8_t c = EEPROM.read(p);
     if (writing) value[i] = c;
     crc16(crc, &c, 1);
+    ++pos;
   }
   return false;
 }

Marlin/src/HAL/ESP32/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/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

@@ -27,7 +27,7 @@
 
 /**
  * Not every MarlinSerial instance should handle emergency parsing, as
- * it would not make sense to parse GCode from TMC responses
+ * it would not make sense to parse G-Code from TMC responses
  */
 constexpr bool serial_handles_emergency(int port) {
   return false
@@ -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/eeprom_bl24cxx.cpp

@@ -37,7 +37,7 @@
   #error "MARLIN_EEPROM_SIZE is required for IIC_BL24CXX_EEPROM."
 #endif
 
-size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 
 bool PersistentStore::access_start() {
   eeprom_init();
@@ -49,7 +49,7 @@ bool PersistentStore::access_finish() { return true; }
 bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   while (size--) {
     uint8_t v = *value;
-    uint8_t *const p = (uint8_t *const)pos;
+    uint8_t * const p = (uint8_t * const)REAL_EEPROM_ADDR(pos);
 
     // EEPROM has only ~100,000 write cycles,
     // so only write bytes that have changed!
@@ -70,16 +70,10 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
   return false;
 }
 
-bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size,
-                                uint16_t *crc, const bool writing /*=true*/) {
+bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing /*=true*/) {
   do {
-    uint8_t *const p = (uint8_t *const)pos;
-    uint8_t c = eeprom_read_byte(p);
-    if (writing)
-    {
-      *value = c;
-    }
-
+    const uint8_t c = eeprom_read_byte((uint8_t*)REAL_EEPROM_ADDR(pos));
+    if (writing) *value = c;
     crc16(crc, &c, 1);
     pos++;
     value++;

Marlin/src/HAL/HC32/eeprom_sdcard.cpp

@@ -38,9 +38,7 @@
   #define MARLIN_EEPROM_SIZE 0x1000 // 4KB
 #endif
 
-size_t PersistentStore::capacity() {
-  return MARLIN_EEPROM_SIZE;
-}
+size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 
 #define _ALIGN(x) __attribute__((aligned(x)))
 static char _ALIGN(4) HAL_eeprom_data[MARLIN_EEPROM_SIZE];
@@ -85,11 +83,10 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
 
 bool PersistentStore::read_data(int &pos, uint8_t *value, const size_t size, uint16_t *crc, const bool writing /*=true*/) {
   for (size_t i = 0; i < size; i++) {
-    uint8_t c = HAL_eeprom_data[pos + i];
+    const uint8_t c = HAL_eeprom_data[pos + i];
     if (writing) value[i] = c;
     crc16(crc, &c, 1);
   }
-
   pos += size;
   return false;
 }

Marlin/src/HAL/HC32/eeprom_wired.cpp

@@ -35,7 +35,7 @@
 #ifndef MARLIN_EEPROM_SIZE
   #error "MARLIN_EEPROM_SIZE is required for I2C / SPI EEPROM."
 #endif
-size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 
 bool PersistentStore::access_finish() { return true; }
 
@@ -56,7 +56,7 @@ bool PersistentStore::access_start() {
 
 bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
   while (size--) {
-    uint8_t *const p = (uint8_t *const)pos;
+    uint8_t * const p = (uint8_t * const)REAL_EEPROM_ADDR(pos);
     uint8_t v = *value;
     // EEPROM has only ~100,000 write cycles,
     // so only write bytes that have changed!
@@ -77,10 +77,8 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
 
 bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing /*=true*/) {
   do {
-    uint8_t c = eeprom_read_byte((uint8_t *)pos);
-    if (writing && value) {
-      *value = c;
-    }
+    const uint8_t c = eeprom_read_byte((uint8_t *)REAL_EEPROM_ADDR(pos));
+    if (writing && value) *value = c;
 
     crc16(crc, &c, 1);
     pos++;

Marlin/src/HAL/HC32/endstop_interrupts.cpp

@@ -40,9 +40,15 @@ void endstopIRQHandler() {
   CHECK(X_MAX);
   CHECK(X_MIN);
 
+  CHECK(X2_MAX);
+  CHECK(X2_MIN);
+
   CHECK(Y_MAX);
   CHECK(Y_MIN);
 
+  CHECK(Y2_MAX);
+  CHECK(Y2_MIN);
+
   CHECK(Z_MAX);
   CHECK(Z_MIN);
 
@@ -52,6 +58,9 @@ void endstopIRQHandler() {
   CHECK(Z3_MAX);
   CHECK(Z3_MIN);
 
+  CHECK(Z4_MAX);
+  CHECK(Z4_MIN);
+
   CHECK(Z_MIN_PROBE);
 
   // Update endstops
@@ -69,9 +78,15 @@ void setup_endstop_interrupts() {
   SETUP(X_MAX);
   SETUP(X_MIN);
 
+  SETUP(X2_MAX);
+  SETUP(X2_MIN);
+
   SETUP(Y_MAX);
   SETUP(Y_MIN);
 
+  SETUP(Y2_MAX);
+  SETUP(Y2_MIN);
+
   SETUP(Z_MAX);
   SETUP(Z_MIN);
 
@@ -81,6 +96,9 @@ void setup_endstop_interrupts() {
   SETUP(Z3_MAX);
   SETUP(Z3_MIN);
 
+  SETUP(Z4_MAX);
+  SETUP(Z4_MIN);
+
   SETUP(Z_MIN_PROBE);
 
   #undef SETUP
@@ -88,7 +106,7 @@ void setup_endstop_interrupts() {
 
 // Ensure 1 - 10 IRQs are registered
 // Disable some endstops if you encounter this error
-#define ENDSTOPS_INTERRUPTS_COUNT COUNT_ENABLED(USE_X_MAX, USE_X_MIN, USE_Y_MAX, USE_Y_MIN, USE_Z_MAX, USE_Z_MIN, USE_Z2_MAX, USE_Z2_MIN, USE_Z3_MAX, USE_Z3_MIN, USE_Z_MIN_PROBE)
+#define ENDSTOPS_INTERRUPTS_COUNT COUNT_ENABLED(USE_X_MAX, USE_X_MIN, USE_X2_MAX, USE_X2_MIN, USE_Y_MAX, USE_Y_MIN, USE_Y2_MAX, USE_Y2_MIN, USE_Z_MAX, USE_Z_MIN, USE_Z2_MAX, USE_Z2_MIN, USE_Z3_MAX, USE_Z3_MIN, USE_Z4_MAX, USE_Z4_MIN, USE_Z_MIN_PROBE)
 #if ENDSTOPS_INTERRUPTS_COUNT > 10
   #error "Too many endstop interrupts! HC32F460 only supports 10 endstop interrupts."
 #elif ENDSTOPS_INTERRUPTS_COUNT == 0

Marlin/src/HAL/HC32/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/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."
@@ -58,11 +72,9 @@
 #endif
 
 #if TEMP_SENSOR_SOC
-  #if !defined(TEMP_SOC_PIN)
+  #ifndef TEMP_SOC_PIN
     #error "TEMP_SOC_PIN must be defined to use TEMP_SENSOR_SOC."
-  #endif
-
-  #if defined(TEMP_SOC_PIN) && IS_GPIO_PIN(TEMP_SOC_PIN)
+  #elif IS_GPIO_PIN(TEMP_SOC_PIN)
     #error "TEMP_SOC_PIN must not be a valid GPIO pin to avoid conflicts."
   #endif
 #endif
@@ -76,3 +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/printf_retarget.cpp

@@ -23,7 +23,7 @@
 #ifdef ARDUINO_ARCH_HC32
 #ifdef REDIRECT_PRINTF_TO_SERIAL
 
-#if !defined(__GNUC__)
+#ifndef __GNUC__
   #error "only GCC is supported"
 #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/eeprom.cpp

@@ -35,7 +35,7 @@
 uint8_t buffer[MARLIN_EEPROM_SIZE];
 char filename[] = "eeprom.dat";
 
-size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 
 bool PersistentStore::access_start() {
   const char eeprom_erase_value = 0xFF;

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/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/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/LINUX/servo_private.h

@@ -60,7 +60,6 @@
 
 #define INVALID_SERVO         255     // flag indicating an invalid servo index
 
-
 // Types
 
 typedef struct {

Marlin/src/HAL/LINUX/spi_pins.h

@@ -21,9 +21,6 @@
  */
 #pragma once
 
-#include "../../core/macros.h"
-#include "../../inc/MarlinConfigPre.h"
-
 #if ALL(HAS_MARLINUI_U8GLIB, HAS_MEDIA) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_EN == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
   #define 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.

Marlin/src/HAL/LPC1768/HAL.cpp

@@ -111,6 +111,12 @@ void MarlinHAL::init() {
   #if HAS_SERVO_3
     INIT_SERVO(3);
   #endif
+  #if HAS_SERVO_4
+    INIT_SERVO(4);
+  #endif
+  #if HAS_SERVO_5
+    INIT_SERVO(5);
+  #endif
 
   //debug_frmwrk_init();
   //_DBG("\n\nDebug running\n");

Marlin/src/HAL/LPC1768/HAL.h

@@ -100,7 +100,7 @@ extern DefaultSerial1 USBSerial;
   #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
+  #if ANY(HAS_DGUS_LCD, EXTENSIBLE_UI)
     #define LCD_SERIAL_TX_BUFFER_FREE() LCD_SERIAL.available()
   #endif
 #endif

Marlin/src/HAL/LPC1768/eeprom_flash.cpp

@@ -61,7 +61,7 @@ static uint8_t ram_eeprom[MARLIN_EEPROM_SIZE] __attribute__((aligned(4))) = {0};
 static bool eeprom_dirty = false;
 static int current_slot = 0;
 
-size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 
 bool PersistentStore::access_start() {
   uint32_t first_nblank_loc, first_nblank_val;
@@ -112,7 +112,8 @@ bool PersistentStore::access_finish() {
 }
 
 bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
-  for (size_t i = 0; i < size; i++) ram_eeprom[pos + i] = value[i];
+  const int p = REAL_EEPROM_ADDR(pos);
+  for (size_t i = 0; i < size; i++) ram_eeprom[p + i] = value[i];
   eeprom_dirty = true;
   crc16(crc, value, size);
   pos += size;
@@ -120,8 +121,9 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
 }
 
 bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
+  const int p = REAL_EEPROM_ADDR(pos);
   const uint8_t * const buff = writing ? &value[0] : &ram_eeprom[pos];
-  if (writing) for (size_t i = 0; i < size; i++) value[i] = ram_eeprom[pos + i];
+  if (writing) for (size_t i = 0; i < size; i++) value[i] = ram_eeprom[p + i];
   crc16(crc, buff, size);
   pos += size;
   return false;  // return true for any error

Marlin/src/HAL/LPC1768/eeprom_sdcard.cpp

@@ -49,7 +49,7 @@ bool eeprom_file_open = false;
   #define MARLIN_EEPROM_SIZE size_t(0x1000) // 4KiB of Emulated EEPROM
 #endif
 
-size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 
 bool PersistentStore::access_start() {
   const char eeprom_erase_value = 0xFF;

Marlin/src/HAL/LPC1768/eeprom_wired.cpp

@@ -36,7 +36,7 @@
 #ifndef MARLIN_EEPROM_SIZE
   #define MARLIN_EEPROM_SIZE           0x8000 // 32K
 #endif
-size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE; }
+size_t PersistentStore::capacity()    { return MARLIN_EEPROM_SIZE - eeprom_exclude_size; }
 
 bool PersistentStore::access_start()  { eeprom_init(); return true; }
 bool PersistentStore::access_finish() { return true; }
@@ -45,7 +45,7 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
   uint16_t written = 0;
   while (size--) {
     uint8_t v = *value;
-    uint8_t * const p = (uint8_t * const)pos;
+    uint8_t * const p = (uint8_t * const)REAL_EEPROM_ADDR(pos);
     if (v != eeprom_read_byte(p)) { // EEPROM has only ~100,000 write cycles, so only write bytes that have changed!
       eeprom_write_byte(p, v);
       if (++written & 0x7F) delay(2); else safe_delay(2); // Avoid triggering watchdog during long EEPROM writes
@@ -64,7 +64,7 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
 bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
   do {
     // Read from external EEPROM
-    const uint8_t c = eeprom_read_byte((uint8_t*)pos);
+    const uint8_t c = eeprom_read_byte((uint8_t*)REAL_EEPROM_ADDR(pos));
     if (writing) *value = c;
     crc16(crc, &c, 1);
     pos++;

Marlin/src/HAL/LPC1768/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/LPC1768/spi_pins.h

@@ -21,9 +21,7 @@
  */
 #pragma once
 
-#include "../../core/macros.h"
-
-#if ALL(HAS_MEDIA, HAS_MARLINUI_U8GLIB) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_EN == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
+#if ALL(HAS_MARLINUI_U8GLIB, HAS_MEDIA) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_EN == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
   #define 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

Marlin/src/HAL/LPC1768/win_usb_driver/lpc176x_usb_driver.inf

@@ -8,14 +8,12 @@ DriverVer =04/14/2008, 5.1.2600.5512
 [Manufacturer]
 %PROVIDER%=DeviceList,ntamd64
 
-
 [DeviceList]
 %DESCRIPTION%=LPC1768USB, USB\VID_1D50&PID_6029&MI_00
 
 [DeviceList.ntamd64]
 %DESCRIPTION%=LPC1768USB, USB\VID_1D50&PID_6029&MI_00
 
-
 [LPC1768USB]
 include=mdmcpq.inf
 CopyFiles=FakeModemCopyFileSection
@@ -28,9 +26,8 @@ AddService=usbser, 0x00000002, LowerFilter_Service_Inst
 [SerialPropPageAddReg]
 HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
 
-
 [Strings]
 PROVIDER   = "marlinfw.org"
 DRIVER.SVC = "Marlin USB Driver"
 DESCRIPTION= "Marlin USB Serial"
-COMPOSITE  = "Marlin USB VCOM"
+COMPOSITE  = "Marlin USB VCOM"

Marlin/src/HAL/NATIVE_SIM/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/NATIVE_SIM/servo_private.h

@@ -61,7 +61,6 @@
 
 #define INVALID_SERVO         255     // flag indicating an invalid servo index
 
-
 // Types
 
 typedef struct {

Marlin/src/HAL/NATIVE_SIM/spi_pins.h

@@ -21,9 +21,6 @@
  */
 #pragma once
 
-#include "../../core/macros.h"
-#include "../../inc/MarlinConfigPre.h"
-
 #if ALL(HAS_MARLINUI_U8GLIB, HAS_MEDIA) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_EN == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
   #define 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.

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

@@ -31,7 +31,6 @@
  * resulted in using about about 25% of the CPU's time.
  */
 
-
 #ifdef __cplusplus
   extern "C" {
 #endif

Marlin/src/HAL/SAMD21/HAL.cpp

@@ -40,8 +40,6 @@
   DefaultSerial3 MSerial2(false, Serial2);
 #endif
 
-
-
 #define WDT_CONFIG_PER_7_Val 0x9u
 #define WDT_CONFIG_PER_Pos 0
 #define WDT_CONFIG_PER_7 (WDT_CONFIG_PER_7_Val << WDT_CONFIG_PER_Pos)
@@ -165,7 +163,6 @@ void MarlinHAL::adc_init() {
   ADC->REFCTRL.reg = ADC_REFCTRL_REFSEL_INTVCC1;
   ADC->AVGCTRL.reg = ADC_AVGCTRL_SAMPLENUM_32| ADC_AVGCTRL_ADJRES(4);;
 
-
   ADC->CTRLB.reg = ADC_CTRLB_PRESCALER_DIV128 |
                  ADC_CTRLB_RESSEL_16BIT |
                  ADC_CTRLB_FREERUN;

Marlin/src/HAL/SAMD21/HAL.h

@@ -47,7 +47,6 @@ typedef ForwardSerial1Class< decltype(Serial2) > DefaultSerial3;
 extern DefaultSerial2 MSerial0;
 extern DefaultSerial3 MSerial1;
 
-
 #define __MSERIAL(X) MSerial##X
 #define _MSERIAL(X) __MSERIAL(X)
 #define MSERIAL(X) _MSERIAL(INCREMENT(X))

Marlin/src/HAL/SAMD21/SAMD21.h

@@ -57,8 +57,6 @@
                                        : (P == 3 && WITHIN(B, 20, 21)) ? 10 + (B) - 20                                        \
                                        : -1)
 
-
-
 #define A2_AIN 3
 #define A3_AIN 4
 #define A4_AIN 5