Merge tag '2.0.7.2' into master

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

.github/FUNDING.yml

@@ -1,3 +1,3 @@
 github: [thinkyhead]
 patreon: thinkyhead
-custom: ["http://www.thinkyhead.com/donate-to-marlin"]
+custom: ["https://www.thinkyhead.com/donate-to-marlin"]

.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,7 +2,7 @@
 name: Feature request
 about: Request a Feature
 title: "[FR] (feature request title)"
-labels: ''
+labels: 'T: Feature Request'
 assignees: ''
 
 ---

.github/contributing.md

@@ -34,16 +34,15 @@ This project and everyone participating in it is governed by the [Marlin Code of
 
 We have a Message Board and a Facebook group where our knowledgable user community can provide helpful advice if you have questions.
 
-* [Marlin RepRap forum](http://forums.reprap.org/list.php?415)
+* [Marlin RepRap forum](https://reprap.org/forum/list.php?415)
 * [MarlinFirmware on Facebook](https://www.facebook.com/groups/1049718498464482/)
 
-If chat is more your speed, you can join the MarlinFirmware Slack team:
+If chat is more your speed, you can join the MarlinFirmware Discord server:
 
-* Join the Marlin Slack Team
-  * To obtain group access, please [send a request](http://www.thinkyhead.com/contact/9) to @thinkyhead.
-  * Even though Slack is a chat service, sometimes it takes several hours for community members to respond — please be patient!
-  * Use the `#general` channel for general questions or discussion about Marlin.
-  * Other channels exist for certain topics. Check the channel list.
+* Use the link https://discord.gg/n5NJ59y to join up as a General User.
+* Even though our Discord is pretty active, it may take a while for community members to respond — please be patient!
+* Use the `#general` channel for general questions or discussion about Marlin.
+* Other channels exist for certain topics or are limited to Patrons. Check the channel list.
 
 ## How Can I Contribute?
 
@@ -93,7 +92,7 @@ Before creating a suggestion, please check [this list](#before-submitting-a-sugg
 
 #### Before Submitting a Feature Request
 
-* **Check the [Marlin website](http://marlinfw.org/)** for tips — you might discover that the feature is already included. Most importantly, check if you're using [the latest version of Marlin](https://github.com/MarlinFirmware/Marlin/releases) and if you can get the desired behavior by changing [Marlin's config settings](http://marlinfw.org/docs/configuration/configuration.html).
+* **Check the [Marlin website](https://marlinfw.org/)** for tips — you might discover that the feature is already included. Most importantly, check if you're using [the latest version of Marlin](https://github.com/MarlinFirmware/Marlin/releases) and if you can get the desired behavior by changing [Marlin's config settings](https://marlinfw.org/docs/configuration/configuration.html).
 * **Perform a [cursory search](https://github.com/MarlinFirmware/Marlin/issues?q=is%3Aissue)** to see if the enhancement has already been suggested. If it has, add a comment to the existing issue instead of opening a new one.
 
 #### How Do I Submit A (Good) Feature Request?
@@ -117,12 +116,12 @@ Unsure where to begin contributing to Marlin? You can start by looking through t
 
 ### Pull Requests
 
-Pull Requests should always be targeted to working branches (e.g., `bugfix-1.1.x` and/or `bugfix-2.0.x`) and never to release branches (e.g., `1.1.x`). If this is your first Pull Request, please read our [Guide to Pull Requests](http://marlinfw.org/docs/development/getting_started_pull_requests.html) and Github's [Pull Request](https://help.github.com/articles/creating-a-pull-request/) documentation.
+Pull Requests should always be targeted to working branches (e.g., `bugfix-1.1.x` and/or `bugfix-2.0.x`) and never to release branches (e.g., `1.1.x`). If this is your first Pull Request, please read our [Guide to Pull Requests](https://marlinfw.org/docs/development/getting_started_pull_requests.html) and Github's [Pull Request](https://help.github.com/articles/creating-a-pull-request/) documentation.
 
 * Fill in [the required template](pull_request_template.md).
 * Don't include issue numbers in the PR title.
 * Include pictures, diagrams, and links to videos in your Pull Request to demonstrate your changes, if needed.
-* Follow the [Coding Standards](http://marlinfw.org/docs/development/coding_standards.html) posted on our website.
+* Follow the [Coding Standards](https://marlinfw.org/docs/development/coding_standards.html) posted on our website.
 * Document new code with clear and concise comments.
 * End all files with a newline.
 
@@ -137,7 +136,7 @@ Pull Requests should always be targeted to working branches (e.g., `bugfix-1.1.x
 
 ### C++ Coding Standards
 
-* Please read and follow the [Coding Standards](http://marlinfw.org/docs/development/coding_standards.html) posted on our website. Failure to follow these guidelines will delay evaluation and acceptance of Pull Requests.
+* Please read and follow the [Coding Standards](https://marlinfw.org/docs/development/coding_standards.html) posted on our website. Failure to follow these guidelines will delay evaluation and acceptance of Pull Requests.
 
 ### Documentation
 

.github/issue_template.md

@@ -1,16 +1,11 @@
 # NO SUPPORT REQUESTS PLEASE
 
-Support Requests posted here will be automatically closed!
+Do you want to ask a question? Are you looking for support? Please don't post here. Support Requests posted here will be automatically closed!
 
-This Issue Queue is for Marlin bug reports and development-related issues, and we prefer not to handle user-support questions here. See https://github.com/MarlinFirmware/Marlin/blob/1.1.x/.github/contributing.md#i-dont-want-to-read-this-whole-thing-i-just-have-a-question.
+Instead use one of the following options:
 
-For best results getting help with configuration and troubleshooting, please use the following resources:
+- The Marlin Firmware forum at https://reprap.org/forum/list.php?415
+- The MarlinFirmware Facebook Group at https://www.facebook.com/groups/1049718498464482/
+- The MarlinFirmware Discord Server at https://discord.gg/n5NJ59y.
 
-- RepRap.org Marlin Forum http://forums.reprap.org/list.php?415
-- Tom's 3D Forums https://discuss.toms3d.org/
-- Facebook Group "Marlin Firmware" https://www.facebook.com/groups/1049718498464482/
-- Facebook Group "Marlin Firmware for 3D Printers" https://www.facebook.com/groups/3Dtechtalk/
-- Marlin Configuration https://www.youtube.com/results?search_query=marlin+configuration on YouTube
-- Marlin Discord server. Join link: https://discord.gg/n5NJ59y
-
-After seeking help from the community, if the consensus points to to a bug in Marlin, then you should post a Bug Report at https://github.com/MarlinFirmware/Marlin/issues/new/choose).
+Before filing an issue be sure to test the latest "bugfix" branch to see whether the issue is already addressed.

.github/lock.yml

@@ -0,0 +1,40 @@
+#
+# 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/pull_request_template.md

@@ -14,6 +14,10 @@ We must be able to understand your proposed change from this description. If we
 
 <!-- What does this fix or improve? -->
 
+### Configurations
+
+<!-- Attach any Configuration.h, Configuration_adv.h, or platformio.ini files needed to compile/test your Pull Request. -->
+
 ### Related Issues
 
 <!-- Whether this fixes a bug or fulfills a feature request, please list any related Issues here. -->

.github/workflows/bad-target.md

@@ -1,7 +0,0 @@
-Thanks for your contribution! Unfortunately we can't accept PRs directed at release branches. We make patches to the bugfix branches and only later do we push them out as releases.
-
-Please redo this PR starting with the `bugfix-2.0.x` branch and be careful to target `bugfix-2.0.x` when resubmitting the PR.
-
-It may help to set your fork's default branch to `bugfix-2.0.x`.
-
-See [this page](http://marlinfw.org/docs/development/getting_started_pull_requests.html) for full instructions.

.github/workflows/bump-date.yml

@@ -11,6 +11,8 @@ on:
 
 jobs:
   bump_date:
+    name: Bump Distribution Date
+    if: github.repository == 'MarlinFirmware/Marlin'
 
     runs-on: ubuntu-latest
 
@@ -24,7 +26,6 @@ jobs:
     - name: Bump Distribution Date
       run: |
         # Inline Bump Script
-        [[ "$GITHUB_REPOSITORY" == "MarlinFirmware/Marlin" ]] || exit 0
         DIST=$( date +"%Y-%m-%d" )
         eval "sed -E -i 's/(#define +STRING_DISTRIBUTION_DATE) .*$/\1 \"$DIST\"/g' Marlin/src/inc/Version.h" && \
         git config user.name "${GITHUB_ACTOR}" && \

.github/workflows/check-pr.yml

@@ -1,6 +1,6 @@
 #
-# comment-pr.yml
-# Add a comment to any PR directed to a release branch
+# check-pr.yml
+# Close PRs directed at release branches
 #
 
 name: PR Bad Target
@@ -14,14 +14,20 @@ on:
 
 jobs:
   bad_target:
-
     name: PR Bad Target
+    if: github.repository == 'MarlinFirmware/Marlin'
+
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
-      - uses: harupy/comment-on-pr@master
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          filename: bad-target.md
+    - uses: peter-evans/close-pull@v1
+      with:
+        delete-branch: false
+        comment: >
+          Thanks for your contribution! Unfortunately we can't accept PRs directed at release branches. We make patches to the bugfix branches and only later do we push them out as releases.
+
+          Please redo this PR starting with the `bugfix-2.0.x` branch and be careful to target `bugfix-2.0.x` when resubmitting the PR.
+
+          It may help to set your fork's default branch to `bugfix-2.0.x`.
+
+          See [this page](http://marlinfw.org/docs/development/getting_started_pull_requests.html) for full instructions.

.github/workflows/close-stale.yml

@@ -0,0 +1,27 @@
+#
+# close-stale.yml
+# Close open issues after a period of inactivity
+#
+
+name: Close Stale Issues
+
+on:
+  schedule:
+  - cron: "22 1 * * *"
+
+jobs:
+  stale:
+    name: Close Stale Issues
+    if: github.repository == 'MarlinFirmware/Marlin'
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/stale@v3
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        stale-issue-message: 'This issue has had no activity in the last 30 days. Please add a reply if you want to keep this issue active, otherwise it will be automatically closed within 7 days.'
+        days-before-stale: 30
+        days-before-close: 7
+        stale-issue-label: 'stale-closing-soon'
+        exempt-issue-labels: 'T: Feature Request'

.github/workflows/lock-closed.yml

@@ -0,0 +1,32 @@
+#
+# lock-closed.yml
+# Lock closed issues after a period of inactivity
+#
+
+name: Lock Closed Issues
+
+on:
+  schedule:
+    - cron: '0 1/13 * * *'
+
+jobs:
+  lock:
+    name: Lock Closed Issues
+    if: github.repository == 'MarlinFirmware/Marlin'
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: dessant/lock-threads@v2
+      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: >
+          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.
+        issue-lock-reason: ''

.github/workflows/test-builds.yml

@@ -9,7 +9,14 @@ on:
   pull_request:
     branches:
     - bugfix-2.0.x
-    - dev-2.1.x
+    paths-ignore:
+    - config/**
+    - data/**
+    - docs/**
+    - '**/*.md'
+  push:
+    branches:
+    - bugfix-2.0.x
     paths-ignore:
     - config/**
     - data/**
@@ -18,6 +25,8 @@ on:
 
 jobs:
   test_builds:
+    name: Run All Tests
+    if: github.repository == 'MarlinFirmware/Marlin'
 
     runs-on: ubuntu-latest
 
@@ -32,6 +41,7 @@ jobs:
         - mega2560
         - teensy31
         - teensy35
+        - teensy41
         - SAMD51_grandcentral_m4
 
         # Extended AVR Environments
@@ -49,14 +59,28 @@ jobs:
         - STM32F103RE_btt
         - STM32F103RE_btt_USB
         - STM32F103RC_fysetc
+        - STM32F103RC_meeb
         - jgaurora_a5s_a1
         - STM32F103VE_longer
         - STM32F407VE_black
+        - STM32F401VE_STEVAL
+        - BIGTREE_BTT002
         - BIGTREE_SKR_PRO
         - BIGTREE_GTR_V1_0
         - mks_robin
+        - mks_robin_stm32
         - ARMED
         - FYSETC_S6
+        - STM32F070CB_malyan
+        - STM32F070RB_malyan
+        - malyan_M300
+        - mks_robin_lite
+        - FLYF407ZG
+        - rumba32
+        - mks_robin_pro
+        - STM32F103RET6_creality
+        - LERDGEX
+        - mks_robin_nano35
 
         # Put lengthy tests last
 
@@ -69,14 +93,10 @@ jobs:
         #- STM32F7
 
         # Non-working environment tests
-
-        #- BIGTREE_BTT002
         #- at90usb1286_cdc
         #- at90usb1286_dfu
         #- STM32F103CB_malyan
-        #- mks_robin_lite
         #- mks_robin_mini
-        #- mks_robin_nano
 
     steps:
 
@@ -88,7 +108,7 @@ jobs:
 
     - name: Install PlatformIO
       run: |
-        pip install -U https://github.com/platformio/platformio-core/archive/master.zip
+        pip install -U https://github.com/platformio/platformio-core/archive/develop.zip
         platformio update
 
     - name: Check out the PR
@@ -97,8 +117,7 @@ jobs:
     - name: Run ${{ matrix.test-platform }} Tests
       run: |
         # Inline tests script
-        [[ "$GITHUB_REPOSITORY" == "MarlinFirmware/Marlin" ]] || exit 0
         chmod +x buildroot/bin/*
-        chmod +x buildroot/share/tests/*
-        export PATH=./buildroot/bin/:./buildroot/share/tests/:${PATH}
+        chmod +x buildroot/tests/*
+        export PATH=./buildroot/bin/:./buildroot/tests/:${PATH}
         run_tests . ${{ matrix.test-platform }}

.github/workflows/unlock-reopened.yml

@@ -0,0 +1,22 @@
+#
+# unlock-reopened.yml
+# Unlock an issue whenever it is re-opened
+#
+
+name: "Unlock reopened issue"
+
+on:
+  issues:
+    types: [reopened]
+
+jobs:
+  unlock:
+    name: Unlock Reopened
+    if: github.repository == 'MarlinFirmware/Marlin'
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: OSDKDev/unlock-issues@v1.1
+      with:
+        repo-token: "${{ secrets.GITHUB_TOKEN }}"

.gitignore

@@ -16,7 +16,7 @@
 # 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 <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #
 
 # Our automatic versioning scheme generates the following file

LICENSE

@@ -3,7 +3,7 @@
                     GNU GENERAL PUBLIC LICENSE
                        Version 3, 29 June 2007
 
- Copyright (c) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Copyright (c) 2007 Free Software Foundation, Inc. <https://www.fsf.org/>
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
@@ -647,7 +647,7 @@ the "copyright" line and a pointer to where the full notice is found.
     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 <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 Also add information on how to contact you by electronic and paper mail.
 
@@ -666,12 +666,11 @@ might be different; for a GUI interface, you would use an "about box".
   You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
+<https://www.gnu.org/licenses/>.
 
   The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.
-
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

Marlin/Configuration.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -34,9 +34,8 @@
  * - Extra features
  *
  * Advanced settings can be found in Configuration_adv.h
- *
  */
-#define CONFIGURATION_H_VERSION 020005
+#define CONFIGURATION_H_VERSION 020007
 
 //===========================================================================
 //============================= Getting Started =============================
@@ -45,13 +44,13 @@
 /**
  * Here are some standard links for getting your machine calibrated:
  *
- * http://reprap.org/wiki/Calibration
- * http://youtu.be/wAL9d7FgInk
+ * https://reprap.org/wiki/Calibration
+ * https://youtu.be/wAL9d7FgInk
  * http://calculator.josefprusa.cz
- * http://reprap.org/wiki/Triffid_Hunter%27s_Calibration_Guide
- * http://www.thingiverse.com/thing:5573
+ * https://reprap.org/wiki/Triffid_Hunter%27s_Calibration_Guide
+ * https://www.thingiverse.com/thing:5573
  * https://sites.google.com/site/repraplogphase/calibration-of-your-reprap
- * http://www.thingiverse.com/thing:298812
+ * https://www.thingiverse.com/thing:298812
  */
 
 //===========================================================================
@@ -140,13 +139,13 @@
 #define CUSTOM_MACHINE_NAME "SKR i3"
 
 // Printer's unique ID, used by some programs to differentiate between machines.
-// Choose your own or use a service like http://www.uuidgenerator.net/version4
+// Choose your own or use a service like https://www.uuidgenerator.net/version4
 //#define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
 
 // @section extruder
 
 // This defines the number of extruders
-// :[1, 2, 3, 4, 5, 6, 7, 8]
+// :[0, 1, 2, 3, 4, 5, 6, 7, 8]
 #define EXTRUDERS 1
 
 // Generally expected filament diameter (1.75, 2.85, 3.0, ...). Used for Volumetric, Filament Width Sensor, etc.
@@ -155,6 +154,13 @@
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
 
+// Save and restore temperature and fan speed on tool-change.
+// Set standby for the unselected tool with M104/106/109 T...
+#if ENABLED(SINGLENOZZLE)
+  //#define SINGLENOZZLE_STANDBY_TEMP
+  //#define SINGLENOZZLE_STANDBY_FAN
+#endif
+
 /**
  * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.
  *
@@ -175,7 +181,7 @@
 #endif
 
 /**
- * Prusa Multi-Material Unit v2
+ * Průša Multi-Material Unit v2
  *
  * Requires NOZZLE_PARK_FEATURE to park print head in case MMU unit fails.
  * Requires EXTRUDERS = 5
@@ -233,8 +239,8 @@
 
   #elif ENABLED(MAGNETIC_PARKING_EXTRUDER)
 
-    #define MPE_FAST_SPEED      9000      // (mm/m) Speed for travel before last distance point
-    #define MPE_SLOW_SPEED      4500      // (mm/m) Speed for last distance travel to park and couple
+    #define MPE_FAST_SPEED      9000      // (mm/min) Speed for travel before last distance point
+    #define MPE_SLOW_SPEED      4500      // (mm/min) Speed for last distance travel to park and couple
     #define MPE_TRAVEL_DISTANCE   10      // (mm) Last distance point
     #define MPE_COMPENSATION       0      // Offset Compensation -1 , 0 , 1 (multiplier) only for coupling
 
@@ -282,8 +288,8 @@
     #if ENABLED(PRIME_BEFORE_REMOVE)
       #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
       #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
-      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
-      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/min) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/min) Extruder retract feedrate
     #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
@@ -328,10 +334,10 @@
 //#define PSU_NAME "Power Supply"
 
 #if ENABLED(PSU_CONTROL)
-  #define PSU_ACTIVE_HIGH false     // Set 'false' for ATX, 'true' for X-Box
+  #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 100   // (ms) Delay for the PSU to warm up to full power
+  //#define PSU_POWERUP_DELAY 250   // (ms) Delay for the PSU to warm up to full power
 
   //#define AUTO_POWER_CONTROL      // Enable automatic control of the PS_ON pin
   #if ENABLED(AUTO_POWER_CONTROL)
@@ -345,11 +351,10 @@
   #endif
 #endif
 
-// @section temperature
-
 //===========================================================================
 //============================= Thermal Settings ============================
 //===========================================================================
+// @section temperature
 
 /**
  * --NORMAL IS 4.7kohm PULLUP!-- 1kohm pullup can be used on hotend sensor, using correct resistor and table
@@ -369,8 +374,9 @@
  *   202 : 200k thermistor - Copymaster 3D
  *     3 : Mendel-parts thermistor (4.7k pullup)
  *     4 : 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!
- *     5 : 100K thermistor - ATC Semitec 104GT-2/104NT-4-R025H42G (Used in ParCan & J-Head) (4.7k pullup)
+ *     5 : 100K thermistor - ATC Semitec 104GT-2/104NT-4-R025H42G (Used in ParCan, J-Head, and E3D) (4.7k pullup)
  *   501 : 100K Zonestar (Tronxy X3A) Thermistor
+ *   502 : 100K Zonestar Thermistor used by hot bed in Zonestar Průša P802M
  *   512 : 100k RPW-Ultra hotend thermistor (4.7k pullup)
  *     6 : 100k EPCOS - Not as accurate as table 1 (created using a fluke thermocouple) (4.7k pullup)
  *     7 : 100k Honeywell thermistor 135-104LAG-J01 (4.7k pullup)
@@ -378,13 +384,16 @@
  *     8 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup)
  *     9 : 100k GE Sensing AL03006-58.2K-97-G1 (4.7k pullup)
  *    10 : 100k RS thermistor 198-961 (4.7k pullup)
- *    11 : 100k beta 3950 1% thermistor (4.7k pullup)
+ *    11 : 100k beta 3950 1% thermistor (Used in Keenovo AC silicone mats and most Wanhao i3 machines) (4.7k pullup)
  *    12 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup) (calibrated for Makibox hot bed)
  *    13 : 100k Hisens 3950  1% up to 300°C for hotend "Simple ONE " & "Hotend "All In ONE"
  *    15 : 100k thermistor calibration for JGAurora A5 hotend
  *    18 : ATC Semitec 204GT-2 (4.7k pullup) Dagoma.Fr - MKS_Base_DKU001327
  *    20 : Pt100 with circuit in the Ultimainboard V2.x with 5v excitation (AVR)
  *    21 : Pt100 with circuit in the Ultimainboard V2.x with 3.3v excitation (STM32 \ LPC176x....)
+ *    22 : 100k (hotend) with 4.7k pullup to 3.3V and 220R to analog input (as in GTM32 Pro vB)
+ *    23 : 100k (bed) with 4.7k pullup to 3.3v and 220R to analog input (as in GTM32 Pro vB)
+ *    30 : Kis3d Silicone heating mat 200W/300W with 6mm precision cast plate (EN AW 5083) NTC100K / B3950 (4.7k pullup)
  *   201 : Pt100 with circuit in Overlord, similar to Ultimainboard V2.x
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    61 : 100k Formbot / Vivedino 3950 350C thermistor 4.7k pullup
@@ -400,7 +409,7 @@
  *    52 : 200k thermistor - ATC Semitec 204GT-2 (1k pullup)
  *    55 : 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (1k pullup)
  *
- *  1047 : Pt1000 with 4k7 pullup
+ *  1047 : Pt1000 with 4k7 pullup (E3D)
  *  1010 : Pt1000 with 1k pullup (non standard)
  *   147 : Pt100 with 4k7 pullup
  *   110 : Pt100 with 1k pullup (non standard)
@@ -427,6 +436,12 @@
 #define DUMMY_THERMISTOR_998_VALUE 25
 #define DUMMY_THERMISTOR_999_VALUE 100
 
+// Resistor values when using a MAX31865 (sensor -5)
+// Sensor value is typically 100 (PT100) or 1000 (PT1000)
+// Calibration value is typically 430 ohm for AdaFruit PT100 modules and 4300 ohm for AdaFruit PT1000 modules.
+//#define MAX31865_SENSOR_OHMS      100
+//#define MAX31865_CALIBRATION_OHMS 430
+
 // Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
 // from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
@@ -468,56 +483,32 @@
 //===========================================================================
 //============================= PID Settings ================================
 //===========================================================================
-// PID Tuning Guide here: http://reprap.org/wiki/PID_Tuning
+// PID Tuning Guide here: https://reprap.org/wiki/PID_Tuning
 
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255     // Limits current to nozzle while in bang-bang mode; 255=full current
 #define PID_MAX BANG_MAX // Limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #define PID_K1 0.95      // Smoothing factor within any PID loop
+
 #if ENABLED(PIDTEMP)
   //#define PID_EDIT_MENU         // Add PID editing to the "Advanced Settings" menu. (~700 bytes of PROGMEM)
   //#define PID_AUTOTUNE_MENU     // Add PID auto-tuning to the "Advanced Settings" menu. (~250 bytes of PROGMEM)
-  //#define PID_DEBUG             // Sends debug data to the serial port. Use 'M303 D' to toggle activation.
-  //#define PID_OPENLOOP 1        // Puts PID in open loop. M104/M140 sets the output power from 0 to PID_MAX
-  //#define SLOW_PWM_HEATERS      // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
-  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
-                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
-
-  // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
-
-  // Ultimaker
-  //#define DEFAULT_Kp 22.2
-  //#define DEFAULT_Ki 1.08
-  //#define DEFAULT_Kd 114
-
-  // Wanhao Duplicator i3
-  //#define DEFAULT_Kp 29
-  //#define DEFAULT_Ki 2.00
-  //#define DEFAULT_Kd 97
-
-  // Defaults from https://www.itsalllost.com/wanhao-i3-32bit-upgrade/
-  //#define DEFAULT_Kp 17.45
-  //#define DEFAULT_Ki 0.84
-  //#define DEFAULT_Kd 90.41
-
-  // MakerGear
-  //#define DEFAULT_Kp 7.0
-  //#define DEFAULT_Ki 0.1
-  //#define DEFAULT_Kd 12
-
-  // Mendel Parts V9 on 12V
-  //#define DEFAULT_Kp 63.0
-  //#define DEFAULT_Ki 2.25
-  //#define DEFAULT_Kd 440
-
-  // Defaults from PID Tuning
-  #define DEFAULT_Kp 23.66
-  #define DEFAULT_Ki 1.42
-  #define DEFAULT_Kd 98.72
 
+  #if ENABLED(PID_PARAMS_PER_HOTEND)
+    // Specify between 1 and HOTENDS values per array.
+    // If fewer than EXTRUDER values are provided, the last element will be repeated.
+    #define DEFAULT_Kp_LIST {  22.20,  22.20 }
+    #define DEFAULT_Ki_LIST {   1.08,   1.08 }
+    #define DEFAULT_Kd_LIST { 114.00, 114.00 }
+  #else
+    // Defaults from PID Tuning
+    #define DEFAULT_Kp  23.66
+    #define DEFAULT_Ki   1.42
+    #define DEFAULT_Kd  98.72
+  #endif
 #endif // PIDTEMP
 
 //===========================================================================
@@ -553,36 +544,23 @@
   //#define MIN_BED_POWER 0
   //#define PID_BED_DEBUG // Sends debug data to the serial port.
 
-  //120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
-  //from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
-  //#define DEFAULT_bedKp 10.00
-  //#define DEFAULT_bedKi .023
-  //#define DEFAULT_bedKd 305.4
-
-  // Wanhao Duplicator i3
-  //#define  DEFAULT_bedKp 249.52
-  //#define  DEFAULT_bedKi 47.89
-  //#define  DEFAULT_bedKd 325.03
-
-  // Defaults from https://www.itsalllost.com/wanhao-i3-32bit-upgrade/
-  //#define  DEFAULT_bedKp 602.82
-  //#define  DEFAULT_bedKi 114.98
-  //#define  DEFAULT_bedKd 790.15
-
-  //120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
-  //from pidautotune
-  //#define DEFAULT_bedKp 97.1
-  //#define DEFAULT_bedKi 1.41
-  //#define DEFAULT_bedKd 1675.16
-
-  // Defaults from PID Tuning
-  #define  DEFAULT_bedKp 148.74
-  #define  DEFAULT_bedKi 29.72
-  #define  DEFAULT_bedKd 496.30
+  // 120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  // from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
+  #define DEFAULT_bedKp 148.74
+  #define DEFAULT_bedKi 29.72
+  #define DEFAULT_bedKd 496.30
 
   // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
 #endif // PIDTEMPBED
 
+#if EITHER(PIDTEMP, PIDTEMPBED)
+  //#define PID_DEBUG             // Sends debug data to the serial port. Use 'M303 D' to toggle activation.
+  //#define PID_OPENLOOP          // Puts PID in open loop. M104/M140 sets the output power from 0 to PID_MAX
+  //#define SLOW_PWM_HEATERS      // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
+#endif
+
 // @section extruder
 
 /**
@@ -629,7 +607,7 @@
 
 // @section machine
 
-// Uncomment one of these options to enable CoreXY, CoreXZ, or CoreYZ kinematics
+// Enable one of the options below for CoreXY, CoreXZ, or CoreYZ kinematics,
 // either in the usual order or reversed
 //#define COREXY
 //#define COREXZ
@@ -637,6 +615,7 @@
 //#define COREYX
 //#define COREZX
 //#define COREZY
+//#define MARKFORGED_XY  // MarkForged. See https://reprap.org/forum/read.php?152,504042
 
 //===========================================================================
 //============================== Endstop Settings ===========================
@@ -732,7 +711,7 @@
  * Enable if your probe or endstops falsely trigger due to noise.
  *
  * - Higher values may affect repeatability or accuracy of some bed probes.
- * - To fix noise install a 100nF ceramic capacitor inline with the switch.
+ * - To fix noise install a 100nF ceramic capacitor in parallel with the switch.
  * - This feature is not required for common micro-switches mounted on PCBs
  *   based on the Makerbot design, which already have the 100nF capacitor.
  *
@@ -740,6 +719,9 @@
  */
 //#define ENDSTOP_NOISE_THRESHOLD 2
 
+// Check for stuck or disconnected endstops during homing moves.
+//#define DETECT_BROKEN_ENDSTOP
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================
@@ -833,10 +815,12 @@
  *
  * See:
  *   https://reprap.org/forum/read.php?1,739819
- *   http://blog.kyneticcnc.com/2018/10/computing-junction-deviation-for-marlin.html
+ *   https://blog.kyneticcnc.com/2018/10/computing-junction-deviation-for-marlin.html
  */
 #if DISABLED(CLASSIC_JERK)
-  #define JUNCTION_DEVIATION_MM 0.02  // (mm) Distance from real junction edge
+  #define JUNCTION_DEVIATION_MM 0.013 // (mm) Distance from real junction edge
+  #define JD_HANDLE_SMALL_SEGMENTS    // Use curvature estimation instead of just the junction angle
+                                      // for small segments (< 1mm) with large junction angles (> 135°).
 #endif
 
 /**
@@ -855,16 +839,19 @@
 // @section probes
 
 //
-// See http://marlinfw.org/docs/configuration/probes.html
+// See https://marlinfw.org/docs/configuration/probes.html
 //
 
 /**
- * Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
- *
- * Enable this option for a probe connected to the Z Min endstop pin.
+ * Enable this option for a probe connected to the Z-MIN pin.
+ * The probe replaces the Z-MIN endstop and is used for Z homing.
+ * (Automatically enables USE_PROBE_FOR_Z_HOMING.)
  */
 #define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
 
+// Force the use of the probe for Z-axis homing
+//#define USE_PROBE_FOR_Z_HOMING
+
 /**
  * Z_MIN_PROBE_PIN
  *
@@ -879,7 +866,6 @@
  *    - For simple switches connect...
  *      - normally-closed switches to GND and D32.
  *      - normally-open switches to 5V and D32.
- *
  */
 //#define Z_MIN_PROBE_PIN 32 // Pin 32 is the RAMPS default
 
@@ -921,6 +907,11 @@
  */
 #define BLTOUCH
 
+/**
+ * Pressure sensor with a BLTouch-like interface
+ */
+//#define CREALITY_TOUCH
+
 /**
  * Touch-MI Probe by hotends.fr
  *
@@ -972,38 +963,48 @@
 //
 
 /**
- * Z Probe to nozzle (X,Y) offset, relative to (0, 0).
+ * Nozzle-to-Probe offsets { X, Y, Z }
  *
- * In the following example the X and Y offsets are both positive:
+ * - Use a caliper or ruler to measure the distance from the tip of
+ *   the Nozzle to the center-point of the Probe in the X and Y axes.
+ * - For the Z offset use your best known value and adjust at runtime.
+ * - Probe Offsets can be tuned at runtime with 'M851', LCD menus, babystepping, etc.
  *
- *   #define NOZZLE_TO_PROBE_OFFSET { 10, 10, 0 }
+ * Assuming the typical work area orientation:
+ *  - Probe to RIGHT of the Nozzle has a Positive X offset
+ *  - Probe to LEFT  of the Nozzle has a Negative X offset
+ *  - Probe in BACK  of the Nozzle has a Positive Y offset
+ *  - Probe in FRONT of the Nozzle has a Negative Y offset
+ *
+ * Some examples:
+ *   #define NOZZLE_TO_PROBE_OFFSET { 10, 10, -1 }   // Example "1"
+ *   #define NOZZLE_TO_PROBE_OFFSET {-10,  5, -1 }   // Example "2"
+ *   #define NOZZLE_TO_PROBE_OFFSET {  5, -5, -1 }   // Example "3"
+ *   #define NOZZLE_TO_PROBE_OFFSET {-15,-10, -1 }   // Example "4"
  *
  *     +-- BACK ---+
- *     |           |
- *   L |    (+) P  | R <-- probe (20,20)
- *   E |           | I
- *   F | (-) N (+) | G <-- nozzle (10,10)
- *   T |           | H
- *     |    (-)    | T
- *     |           |
+ *     |    [+]    |
+ *   L |        1  | R <-- Example "1" (right+,  back+)
+ *   E |  2        | I <-- Example "2" ( left-,  back+)
+ *   F |[-]  N  [+]| G <-- Nozzle
+ *   T |       3   | H <-- Example "3" (right+, front-)
+ *     | 4         | T <-- Example "4" ( left-, front-)
+ *     |    [-]    |
  *     O-- FRONT --+
- *   (0,0)
- *
- * Specify a Probe position as { X, Y, Z }
  */
 #define NOZZLE_TO_PROBE_OFFSET { -33, -37, -1 }
 
 // Most probes should stay away from the edges of the bed, but
 // with NOZZLE_AS_PROBE this can be negative for a wider probing area.
-#define MIN_PROBE_EDGE 10
+#define PROBING_MARGIN 10
 
-// X and Y axis travel speed (mm/m) between probes
-#define XY_PROBE_SPEED 8000
+// X and Y axis travel speed (mm/min) between probes
+#define XY_PROBE_SPEED (133*60)
 
-// Feedrate (mm/m) for the first approach when double-probing (MULTIPLE_PROBING == 2)
+// Feedrate (mm/min) for the first approach when double-probing (MULTIPLE_PROBING == 2)
 #define Z_PROBE_SPEED_FAST HOMING_FEEDRATE_Z
 
-// Feedrate (mm/m) for the "accurate" probe of each point
+// Feedrate (mm/min) for the "accurate" probe of each point
 #define Z_PROBE_SPEED_SLOW (Z_PROBE_SPEED_FAST / 2)
 
 /**
@@ -1074,18 +1075,18 @@
 #define Z_ENABLE_ON 0
 #define E_ENABLE_ON 0 // For all extruders
 
-// Disables axis stepper immediately when it's not being used.
+// Disable axis steppers immediately when they're not being stepped.
 // WARNING: When motors turn off there is a chance of losing position accuracy!
 #define DISABLE_X false
 #define DISABLE_Y false
 #define DISABLE_Z false
 
-// Warn on display about possibly reduced accuracy
+// Turn off the display blinking that warns about possible accuracy reduction
 //#define DISABLE_REDUCED_ACCURACY_WARNING
 
 // @section extruder
 
-#define DISABLE_E false             // For all extruders
+#define DISABLE_E false             // Disable the extruder when not stepping
 #define DISABLE_INACTIVE_EXTRUDER   // Keep only the active extruder enabled
 
 // @section machine
@@ -1173,14 +1174,14 @@
  *
  * RAMPS-based boards use SERVO3_PIN for the first runout sensor.
  * For other boards you may need to define FIL_RUNOUT_PIN, FIL_RUNOUT2_PIN, etc.
- * By default the firmware assumes HIGH=FILAMENT PRESENT.
  */
 //#define FILAMENT_RUNOUT_SENSOR
 #if ENABLED(FILAMENT_RUNOUT_SENSOR)
-  #define NUM_RUNOUT_SENSORS   1     // Number of sensors, up to one per extruder. Define a FIL_RUNOUT#_PIN for each.
-  #define FIL_RUNOUT_INVERTING false // Set to true to invert the logic of the sensor.
-  #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
-  //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
+  #define FIL_RUNOUT_ENABLED_DEFAULT true // Enable the sensor on startup. Override with M412 followed by M500.
+  #define NUM_RUNOUT_SENSORS   1          // Number of sensors, up to one per extruder. Define a FIL_RUNOUT#_PIN for each.
+  #define FIL_RUNOUT_STATE     LOW        // Pin state indicating that filament is NOT present.
+  #define FIL_RUNOUT_PULLUP               // Use internal pullup for filament runout pins.
+  //#define FIL_RUNOUT_PULLDOWN           // Use internal pulldown for filament runout pins.
 
   // Set one or more commands to execute on filament runout.
   // (After 'M412 H' Marlin will ask the host to handle the process.)
@@ -1370,7 +1371,6 @@
  */
 //#define Z_PROBE_END_SCRIPT "G1 Z10 F12000\nG1 X15 Y330\nG1 Z0.5\nG1 Z10"
 
-
 // @section homing
 
 // The center of the bed is at (X=0, Y=0)
@@ -1388,17 +1388,17 @@
 //
 // - Allow Z homing only after X and Y homing AND stepper drivers still enabled.
 // - If stepper drivers time out, it will need X and Y homing again before Z homing.
-// - Move the Z probe (or nozzle) to a defined XY point before Z Homing when homing all axes (G28).
+// - Move the Z probe (or nozzle) to a defined XY point before Z Homing.
 // - Prevent Z homing when the Z probe is outside bed area.
 //
 #define Z_SAFE_HOMING
 
 #if ENABLED(Z_SAFE_HOMING)
-  #define Z_SAFE_HOMING_X_POINT ((X_BED_SIZE) / 2)    // X point for Z homing when homing all axes (G28).
-  #define Z_SAFE_HOMING_Y_POINT ((Y_BED_SIZE) / 2)    // Y point for Z homing when homing all axes (G28).
+  #define Z_SAFE_HOMING_X_POINT X_CENTER  // X point for Z homing
+  #define Z_SAFE_HOMING_Y_POINT Y_CENTER  // Y point for Z homing
 #endif
 
-// Homing speeds (mm/m)
+// Homing speeds (mm/min)
 #define HOMING_FEEDRATE_XY (50*60)
 #define HOMING_FEEDRATE_Z  (4*60)
 
@@ -1533,8 +1533,11 @@
 #if ENABLED(NOZZLE_PARK_FEATURE)
   // Specify a park position as { X, Y, Z_raise }
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
-  #define NOZZLE_PARK_XY_FEEDRATE 80   // (mm/s) X and Y axes feedrate (also used for delta Z axis)
-  #define NOZZLE_PARK_Z_FEEDRATE 5      // (mm/s) Z axis feedrate (not used for delta printers)
+  //#define NOZZLE_PARK_X_ONLY          // X move only is required to park
+  //#define NOZZLE_PARK_Y_ONLY          // Y move only is required to park
+  #define NOZZLE_PARK_Z_RAISE_MIN   2   // (mm) Always raise Z by at least this distance
+  #define NOZZLE_PARK_XY_FEEDRATE 80    // (mm/s) X and Y axes feedrate (also used for delta Z axis)
+  #define NOZZLE_PARK_Z_FEEDRATE    5   // (mm/s) Z axis feedrate (not used for delta printers)
 #endif
 
 /**
@@ -1573,7 +1576,6 @@
  *
  *   Caveats: The ending Z should be the same as starting Z.
  * Attention: EXPERIMENTAL. G-code arguments may change.
- *
  */
 //#define NOZZLE_CLEAN_FEATURE
 
@@ -1599,8 +1601,15 @@
   // Move the nozzle to the initial position after cleaning
   #define NOZZLE_CLEAN_GOBACK
 
-  // Enable for a purge/clean station that's always at the gantry height (thus no Z move)
+  // For a purge/clean station that's always at the gantry height (thus no Z move)
   //#define NOZZLE_CLEAN_NO_Z
+
+  // For a purge/clean station mounted on the X axis
+  //#define NOZZLE_CLEAN_NO_Y
+
+  // Explicit wipe G-code script applies to a G12 with no arguments.
+  //#define WIPE_SEQUENCE_COMMANDS "G1 X-17 Y25 Z10 F4000\nG1 Z1\nM114\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 Z15\nM400\nG0 X-10.0 Y-9.0"
+
 #endif
 
 /**
@@ -1634,6 +1643,37 @@
  */
 #define PRINTCOUNTER
 
+/**
+ * Password
+ *
+ * Set a numerical password for the printer which can be requested:
+ *
+ *  - When the printer boots up
+ *  - Upon opening the 'Print from Media' Menu
+ *  - When SD printing is completed or aborted
+ *
+ * The following G-codes can be used:
+ *
+ *  M510 - Lock Printer. Blocks all commands except M511.
+ *  M511 - Unlock Printer.
+ *  M512 - Set, Change and Remove Password.
+ *
+ * If you forget the password and get locked out you'll need to re-flash
+ * the firmware with the feature disabled, reset EEPROM, and (optionally)
+ * re-flash the firmware again with this feature enabled.
+ */
+//#define PASSWORD_FEATURE
+#if ENABLED(PASSWORD_FEATURE)
+  #define PASSWORD_LENGTH 4                 // (#) Number of digits (1-9). 3 or 4 is recommended
+  #define PASSWORD_ON_STARTUP
+  #define PASSWORD_UNLOCK_GCODE             // Unlock with the M511 P<password> command. Disable to prevent brute-force attack.
+  #define PASSWORD_CHANGE_GCODE             // Change the password with M512 P<old> S<new>.
+  //#define PASSWORD_ON_SD_PRINT_MENU       // This does not prevent gcodes from running
+  //#define PASSWORD_AFTER_SD_PRINT_END
+  //#define PASSWORD_AFTER_SD_PRINT_ABORT
+  //#include "Configuration_Secure.h"       // External file with PASSWORD_DEFAULT_VALUE
+#endif
+
 //=============================================================================
 //============================= LCD and SD support ============================
 //=============================================================================
@@ -1645,10 +1685,10 @@
  *
  * Select the language to display on the LCD. These languages are available:
  *
- *   en, an, bg, ca, cz, da, de, el, el_gr, es, eu, fi, fr, gl, hr, it, jp_kana,
- *   ko_KR, nl, pl, pt, pt_br, ru, sk, tr, uk, vi, zh_CN, zh_TW, test
+ *   en, an, bg, ca, cz, da, de, el, el_gr, es, eu, fi, fr, gl, hr, hu, it,
+ *   jp_kana, ko_KR, nl, pl, pt, pt_br, ro, ru, sk, tr, uk, vi, zh_CN, zh_TW, test
  *
- * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cz':'Czech', 'da':'Danish', 'de':'German', 'el':'Greek', 'el_gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'jp_kana':'Japanese', 'ko_KR':'Korean (South Korea)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt_br':'Portuguese (Brazilian)', 'ru':'Russian', 'sk':'Slovak', 'tr':'Turkish', 'uk':'Ukrainian', 'vi':'Vietnamese', 'zh_CN':'Chinese (Simplified)', 'zh_TW':'Chinese (Traditional)', 'test':'TEST' }
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cz':'Czech', 'da':'Danish', 'de':'German', 'el':'Greek', 'el_gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'hu':'Hungarian', 'it':'Italian', 'jp_kana':'Japanese', 'ko_KR':'Korean (South Korea)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt_br':'Portuguese (Brazilian)', 'ro':'Romanian', 'ru':'Russian', 'sk':'Slovak', 'tr':'Turkish', 'uk':'Ukrainian', 'vi':'Vietnamese', 'zh_CN':'Chinese (Simplified)', 'zh_TW':'Chinese (Traditional)', 'test':'TEST' }
  */
 #define LCD_LANGUAGE en
 
@@ -1670,16 +1710,16 @@
  *  - Click the controller to view the LCD menu
  *  - The LCD will display Japanese, Western, or Cyrillic text
  *
- * See http://marlinfw.org/docs/development/lcd_language.html
+ * See https://marlinfw.org/docs/development/lcd_language.html
  *
  * :['JAPANESE', 'WESTERN', 'CYRILLIC']
  */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
 /**
- * Info Screen Style (0:Classic, 1:Prusa)
+ * Info Screen Style (0:Classic, 1:Průša)
  *
- * :[0:'Classic', 1:'Prusa']
+ * :[0:'Classic', 1:'Průša']
  */
 #define LCD_INFO_SCREEN_STYLE 0
 
@@ -1688,7 +1728,6 @@
  *
  * SD Card support is disabled by default. If your controller has an SD slot,
  * you must uncomment the following option or it won't work.
- *
  */
 #define SDSUPPORT
 
@@ -1797,7 +1836,7 @@
 
 //
 // RepRapDiscount Smart Controller.
-// http://reprap.org/wiki/RepRapDiscount_Smart_Controller
+// https://reprap.org/wiki/RepRapDiscount_Smart_Controller
 //
 // Note: Usually sold with a white PCB.
 //
@@ -1821,13 +1860,13 @@
 
 //
 // PanelOne from T3P3 (via RAMPS 1.4 AUX2/AUX3)
-// http://reprap.org/wiki/PanelOne
+// https://reprap.org/wiki/PanelOne
 //
 //#define PANEL_ONE
 
 //
 // GADGETS3D G3D LCD/SD Controller
-// http://reprap.org/wiki/RAMPS_1.3/1.4_GADGETS3D_Shield_with_Panel
+// https://reprap.org/wiki/RAMPS_1.3/1.4_GADGETS3D_Shield_with_Panel
 //
 // Note: Usually sold with a blue PCB.
 //
@@ -1914,7 +1953,7 @@
 
 //
 // 2-wire Non-latching LCD SR from https://goo.gl/aJJ4sH
-// LCD configuration: http://reprap.org/wiki/SAV_3D_LCD
+// LCD configuration: https://reprap.org/wiki/SAV_3D_LCD
 //
 //#define SAV_3DLCD
 
@@ -1925,6 +1964,14 @@
 //
 //#define FF_INTERFACEBOARD
 
+//
+// TFT GLCD Panel with Marlin UI
+// Panel connected to main board by SPI or I2C interface.
+// See https://github.com/Serhiy-K/TFTGLCDAdapter
+//
+//#define TFTGLCD_PANEL_SPI
+//#define TFTGLCD_PANEL_I2C
+
 //=============================================================================
 //=======================   LCD / Controller Selection  =======================
 //=========================      (Graphical LCDs)      ========================
@@ -1936,10 +1983,12 @@
 // IMPORTANT: The U8glib library is required for Graphical Display!
 //            https://github.com/olikraus/U8glib_Arduino
 //
+// NOTE: If the LCD is unresponsive you may need to reverse the plugs.
+//
 
 //
 // RepRapDiscount FULL GRAPHIC Smart Controller
-// http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
+// https://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
 #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
 
@@ -1952,20 +2001,20 @@
 //
 // Activate one of these if you have a Panucatt Devices
 // Viki 2.0 or mini Viki with Graphic LCD
-// http://panucatt.com
+// https://www.panucatt.com
 //
 //#define VIKI2
 //#define miniVIKI
 
 //
 // MakerLab Mini Panel with graphic
-// controller and SD support - http://reprap.org/wiki/Mini_panel
+// controller and SD support - https://reprap.org/wiki/Mini_panel
 //
 //#define MINIPANEL
 
 //
 // MaKr3d Makr-Panel with graphic controller and SD support.
-// http://reprap.org/wiki/MaKr3d_MaKrPanel
+// https://reprap.org/wiki/MaKr3d_MaKrPanel
 //
 //#define MAKRPANEL
 
@@ -2008,6 +2057,12 @@
 //
 //#define MKS_MINI_12864
 
+//
+// MKS LCD12864A/B with graphic controller and SD support. Follows MKS_MINI_12864 pinout.
+// https://www.aliexpress.com/item/33018110072.html
+//
+//#define MKS_LCD12864
+
 //
 // FYSETC variant of the MINI12864 graphic controller with SD support
 // https://wiki.fysetc.com/Mini12864_Panel/
@@ -2015,7 +2070,7 @@
 //#define FYSETC_MINI_12864_X_X    // Type C/D/E/F. No tunable RGB Backlight by default
 //#define FYSETC_MINI_12864_1_2    // Type C/D/E/F. Simple RGB Backlight (always on)
 //#define FYSETC_MINI_12864_2_0    // Type A/B. Discreet RGB Backlight
-//#define FYSETC_MINI_12864_2_1    // Type A/B. Neopixel RGB Backlight
+//#define FYSETC_MINI_12864_2_1    // Type A/B. NeoPixel RGB Backlight
 //#define FYSETC_GENERIC_12864_1_1 // Larger display with basic ON/OFF backlight.
 
 //
@@ -2049,7 +2104,7 @@
 
 //
 // Silvergate GLCD controller
-// http://github.com/android444/Silvergate
+// https://github.com/android444/Silvergate
 //
 //#define SILVER_GATE_GLCD_CONTROLLER
 
@@ -2077,14 +2132,21 @@
 //#define OLED_PANEL_TINYBOY2
 
 //
-// MKS OLED 1.3" 128 × 64 FULL GRAPHICS CONTROLLER
-// http://reprap.org/wiki/MKS_12864OLED
+// MKS OLED 1.3" 128×64 FULL GRAPHICS CONTROLLER
+// https://reprap.org/wiki/MKS_12864OLED
 //
 // Tiny, but very sharp OLED display
 //
 //#define MKS_12864OLED          // Uses the SH1106 controller (default)
 //#define MKS_12864OLED_SSD1306  // Uses the SSD1306 controller
 
+//
+// Zonestar OLED 128×64 FULL GRAPHICS CONTROLLER
+//
+//#define ZONESTAR_12864LCD           // Graphical (DOGM) with ST7920 controller
+//#define ZONESTAR_12864OLED          // 1.3" OLED with SH1106 controller (default)
+//#define ZONESTAR_12864OLED_SSD1306  // 0.96" OLED with SSD1306 controller
+
 //
 // Einstart S OLED SSD1306
 //
@@ -2095,21 +2157,31 @@
 //
 //#define OVERLORD_OLED
 
+//
+// FYSETC OLED 2.42" 128×64 FULL GRAPHICS CONTROLLER with WS2812 RGB
+// Where to find : https://www.aliexpress.com/item/4000345255731.html
+//#define FYSETC_242_OLED_12864   // Uses the SSD1309 controller
+
 //=============================================================================
 //========================== Extensible UI Displays ===========================
 //=============================================================================
 
 //
 // DGUS Touch Display with DWIN OS. (Choose one.)
+// ORIGIN : https://www.aliexpress.com/item/32993409517.html
+// FYSETC : https://www.aliexpress.com/item/32961471929.html
 //
 //#define DGUS_LCD_UI_ORIGIN
 //#define DGUS_LCD_UI_FYSETC
 //#define DGUS_LCD_UI_HIPRECY
 
 //
-// Touch-screen LCD for Malyan M200 printers
+// Touch-screen LCD for Malyan M200/M300 printers
 //
 //#define MALYAN_LCD
+#if ENABLED(MALYAN_LCD)
+  #define LCD_SERIAL_PORT 1  // Default is 1 for Malyan M200
+#endif
 
 //
 // Touch UI for FTDI EVE (FT800/FT810) displays
@@ -2117,42 +2189,100 @@
 //
 //#define TOUCH_UI_FTDI_EVE
 
+//
+// Touch-screen LCD for Anycubic printers
+//
+//#define ANYCUBIC_LCD_I3MEGA
+//#define ANYCUBIC_LCD_CHIRON
+#if EITHER(ANYCUBIC_LCD_I3MEGA, ANYCUBIC_LCD_CHIRON)
+  #define LCD_SERIAL_PORT 3  // Default is 3 for Anycubic
+  //#define ANYCUBIC_LCD_DEBUG
+#endif
+
 //
 // Third-party or vendor-customized controller interfaces.
 // Sources should be installed in 'src/lcd/extensible_ui'.
 //
 //#define EXTENSIBLE_UI
 
+#if ENABLED(EXTENSIBLE_UI)
+  //#define EXTUI_LOCAL_BEEPER // Enables use of local Beeper pin with external display
+#endif
+
 //=============================================================================
 //=============================== Graphical TFTs ==============================
 //=============================================================================
 
-//
-// FSMC display (MKS Robin, Alfawise U20, JGAurora A5S, REXYZ A1, etc.)
-//
-//#define FSMC_GRAPHICAL_TFT
+/**
+ * TFT Type - Select your Display type
+ *
+ * Available options are:
+ *   MKS_TS35_V2_0,
+ *   MKS_ROBIN_TFT24, MKS_ROBIN_TFT28, MKS_ROBIN_TFT32, MKS_ROBIN_TFT35,
+ *   MKS_ROBIN_TFT43, MKS_ROBIN_TFT_V1_1R
+ *   TFT_TRONXY_X5SA, ANYCUBIC_TFT35, LONGER_LK_TFT28
+ *   TFT_GENERIC
+ *
+ * For TFT_GENERIC, you need to configure these 3 options:
+ *   Driver:     TFT_DRIVER
+ *               Current Drivers are: AUTO, ST7735, ST7789, ST7796, R61505, ILI9328, ILI9341, ILI9488
+ *   Resolution: TFT_WIDTH and TFT_HEIGHT
+ *   Interface:  TFT_INTERFACE_FSMC or TFT_INTERFACE_SPI
+ */
+//#define TFT_GENERIC
+
+/**
+ * TFT UI - User Interface Selection. Enable one of the following options:
+ *
+ *   TFT_CLASSIC_UI - Emulated DOGM - 128x64 Upscaled
+ *   TFT_COLOR_UI   - Marlin Default Menus, Touch Friendly, using full TFT capabilities
+ *   TFT_LVGL_UI    - A Modern UI using LVGL
+ *
+ *   For LVGL_UI also copy the 'assets' folder from the build directory to the
+ *   root of your SD card, together with the compiled firmware.
+ */
+//#define TFT_CLASSIC_UI
+//#define TFT_COLOR_UI
+//#define TFT_LVGL_UI
+
+/**
+ * TFT Rotation. Set to one of the following values:
+ *
+ *   TFT_ROTATE_90,  TFT_ROTATE_90_MIRROR_X,  TFT_ROTATE_90_MIRROR_Y,
+ *   TFT_ROTATE_180, TFT_ROTATE_180_MIRROR_X, TFT_ROTATE_180_MIRROR_Y,
+ *   TFT_ROTATE_270, TFT_ROTATE_270_MIRROR_X, TFT_ROTATE_270_MIRROR_Y,
+ *   TFT_MIRROR_X, TFT_MIRROR_Y, TFT_NO_ROTATION
+ */
+//#define TFT_ROTATION TFT_NO_ROTATION
 
 //=============================================================================
 //============================  Other Controllers  ============================
 //=============================================================================
 
+//
+// Ender-3 v2 OEM display. A DWIN display with Rotary Encoder.
+//
+//#define DWIN_CREALITY_LCD
+
 //
 // ADS7843/XPT2046 ADC Touchscreen such as ILI9341 2.8
 //
-//#define TOUCH_BUTTONS
-#if ENABLED(TOUCH_BUTTONS)
+//#define TOUCH_SCREEN
+#if ENABLED(TOUCH_SCREEN)
   #define BUTTON_DELAY_EDIT  50 // (ms) Button repeat delay for edit screens
   #define BUTTON_DELAY_MENU 250 // (ms) Button repeat delay for menus
 
-  #define XPT2046_X_CALIBRATION   12316
-  #define XPT2046_Y_CALIBRATION  -8981
-  #define XPT2046_X_OFFSET       -43
-  #define XPT2046_Y_OFFSET        257
+  #define TOUCH_SCREEN_CALIBRATION
+
+  //#define XPT2046_X_CALIBRATION 12316
+  //#define XPT2046_Y_CALIBRATION -8981
+  //#define XPT2046_X_OFFSET        -43
+  //#define XPT2046_Y_OFFSET        257
 #endif
 
 //
 // RepRapWorld REPRAPWORLD_KEYPAD v1.1
-// http://reprapworld.com/?products_details&products_id=202&cPath=1591_1626
+// https://reprapworld.com/products/electronics/ramps/keypad_v1_0_fully_assembled/
 //
 //#define REPRAPWORLD_KEYPAD
 //#define REPRAPWORLD_KEYPAD_MOVE_STEP 10.0 // (mm) Distance to move per key-press
@@ -2163,6 +2293,10 @@
 
 // @section extras
 
+// Set number of user-controlled fans. Disable to use all board-defined fans.
+// :[1,2,3,4,5,6,7,8]
+//#define NUM_M106_FANS 1
+
 // Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
 //#define FAST_PWM_FAN
 
@@ -2189,9 +2323,6 @@
 // then the BLUE led is on. Otherwise the RED led is on. (1C hysteresis)
 //#define TEMP_STAT_LEDS
 
-// SkeinForge sends the wrong arc g-codes when using Arc Point as fillet procedure
-//#define SF_ARC_FIX
-
 // Support for the BariCUDA Paste Extruder
 //#define BARICUDA
 
@@ -2202,7 +2333,6 @@
 //#define PCA9632
 
 // Support for PCA9533 PWM LED driver
-// https://github.com/mikeshub/SailfishRGB_LED
 //#define PCA9533
 
 /**
@@ -2214,18 +2344,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED an overall brightness parameter is also available.
+ * For NeoPixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOSFET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  NOTE: A separate 5V power supply is required! The NeoPixel LED needs
  *  more current than the Arduino 5V linear regulator can produce.
  * *** CAUTION ***
  *
  * LED Type. Enable only one of the following two options.
- *
  */
 //#define RGB_LED
 //#define RGBW_LED
@@ -2237,19 +2366,29 @@
   //#define RGB_LED_W_PIN -1
 #endif
 
-// Support for Adafruit Neopixel LED driver
+// Support for Adafruit NeoPixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
   #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN     4       // LED driving pin
   //#define NEOPIXEL2_TYPE NEOPIXEL_TYPE
   //#define NEOPIXEL2_PIN    5
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip, larger of 2 strips if 2 neopixel strips are used
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip. (Longest strip when NEOPIXEL2_SEPARATE is disabled.)
   #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 
-  // Use a single Neopixel LED for static (background) lighting
+  // Support for second Adafruit NeoPixel LED driver controlled with M150 S1 ...
+  //#define NEOPIXEL2_SEPARATE
+  #if ENABLED(NEOPIXEL2_SEPARATE)
+    #define NEOPIXEL2_PIXELS      15  // Number of LEDs in the second strip
+    #define NEOPIXEL2_BRIGHTNESS 127  // Initial brightness (0-255)
+    #define NEOPIXEL2_STARTUP_TEST    // Cycle through colors at startup
+  #else
+    //#define NEOPIXEL2_INSERIES      // Default behavior is NeoPixel 2 in parallel
+  #endif
+
+  // Use a single NeoPixel LED for static (background) lighting
   //#define NEOPIXEL_BKGD_LED_INDEX  0               // Index of the LED to use
   //#define NEOPIXEL_BKGD_COLOR { 255, 255, 255, 0 } // R, G, B, W
 #endif
@@ -2269,17 +2408,12 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/**
- * R/C SERVO support
- * Sponsored by TrinityLabs, Reworked by codexmas
- */
-
 /**
  * Number of servos
  *
  * For some servo-related options NUM_SERVOS will be set automatically.
  * Set this manually if there are extra servos needing manual control.
- * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ * Set to 0 to turn off servo support.
  */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
@@ -2291,5 +2425,5 @@
 // Only power servos during movement, otherwise leave off to prevent jitter
 //#define DEACTIVATE_SERVOS_AFTER_MOVE
 
-// Allow servo angle to be edited and saved to EEPROM
+// Edit servo angles with M281 and save to EEPROM with M500
 //#define EDITABLE_SERVO_ANGLES

Marlin/Makefile

@@ -14,7 +14,7 @@
 # Detailed instructions for using the makefile:
 #
 #  1. Modify the line containing "ARDUINO_INSTALL_DIR" to point to the directory that
-#     contains the Arduino installation (for example, under Mac OS X, this
+#     contains the Arduino installation (for example, under macOS, this
 #     might be /Applications/Arduino.app/Contents/Resources/Java).
 #
 #  2. Modify the line containing "UPLOAD_PORT" to refer to the filename
@@ -22,8 +22,10 @@
 #     (e.g. UPLOAD_PORT = /dev/tty.USB0).  If the exact name of this file
 #     changes, you can use * as a wild card (e.g. UPLOAD_PORT = /dev/tty.usb*).
 #
-#  3. Set the line containing "MCU" to match your board's processor.
-#     Older one's are atmega8 based, newer ones like Arduino Mini, Bluetooth
+#  3. Set the line containing "MCU" to match your board's processor. Set
+#     "PROG_MCU" as the AVR part name corresponding to "MCU". You can use the
+#     following command to get a list of correspondences: `avrdude -c alf -p x`
+#     Older boards are atmega8 based, newer ones like Arduino Mini, Bluetooth
 #     or Diecimila have the atmega168.  If you're using a LilyPad Arduino,
 #     change F_CPU to 8000000. If you are using Gen7 electronics, you
 #     probably need to use 20000000. Either way, you must regenerate
@@ -34,18 +36,18 @@
 #  5. Type "make upload", reset your Arduino board, and press enter to
 #     upload your program to the Arduino board.
 #
-# Note that all settings at the top of this file can be overriden from
+# Note that all settings at the top of this file can be overridden from
 # the command line with, for example, "make HARDWARE_MOTHERBOARD=71"
 #
 # To compile for RAMPS (atmega2560) with Arduino 1.6.9 at root/arduino you would use...
 #
 #   make ARDUINO_VERSION=10609 AVR_TOOLS_PATH=/root/arduino/hardware/tools/avr/bin/ \
-#   HARDWARE_MOTHERBOARD=33 ARDUINO_INSTALL_DIR=/root/arduino
+#   HARDWARE_MOTHERBOARD=1200 ARDUINO_INSTALL_DIR=/root/arduino
 #
 # To compile and upload simply add "upload" to the end of the line...
 #
 #   make ARDUINO_VERSION=10609 AVR_TOOLS_PATH=/root/arduino/hardware/tools/avr/bin/ \
-#   HARDWARE_MOTHERBOARD=33 ARDUINO_INSTALL_DIR=/root/arduino upload
+#   HARDWARE_MOTHERBOARD=1200 ARDUINO_INSTALL_DIR=/root/arduino upload
 #
 # If uploading doesn't work try adding the parameter "AVRDUDE_PROGRAMMER=wiring" or
 # start upload manually (using stk500) like so:
@@ -57,7 +59,26 @@
 #
 
 # This defines the board to compile for (see boards.h for your board's ID)
-HARDWARE_MOTHERBOARD ?= 11
+HARDWARE_MOTHERBOARD ?= 1020
+
+ifeq ($(OS),Windows_NT)
+  # Windows
+  ARDUINO_INSTALL_DIR ?= ${HOME}/Arduino
+  ARDUINO_USER_DIR ?= ${HOME}/Arduino
+else
+  UNAME_S := $(shell uname -s)
+  ifeq ($(UNAME_S),Linux)
+    # Linux
+    ARDUINO_INSTALL_DIR ?= /usr/share/arduino
+    ARDUINO_USER_DIR ?= ${HOME}/Arduino
+  endif
+  ifeq ($(UNAME_S),Darwin)
+    # Darwin (macOS)
+    ARDUINO_INSTALL_DIR ?= /Applications/Arduino.app/Contents/Java
+    ARDUINO_USER_DIR ?= ${HOME}/Documents/Arduino
+    AVR_TOOLS_PATH ?= /Applications/Arduino.app/Contents/Java/hardware/tools/avr/bin/
+  endif
+endif
 
 # Arduino source install directory, and version number
 # On most linuxes this will be /usr/share/arduino
@@ -67,38 +88,44 @@ ARDUINO_VERSION      ?= 106
 # The installed Libraries are in the User folder
 ARDUINO_USER_DIR ?= ${HOME}/Arduino
 
-# You can optionally set a path to the avr-gcc tools. Requires a trailing slash. (ex: /usr/local/avr-gcc/bin)
+# You can optionally set a path to the avr-gcc tools.
+# Requires a trailing slash. For example, /usr/local/avr-gcc/bin/
 AVR_TOOLS_PATH ?=
 
-#Programmer configuration
+# Programmer configuration
 UPLOAD_RATE        ?= 57600
 AVRDUDE_PROGRAMMER ?= arduino
-# on most linuxes this will be /dev/ttyACM0 or /dev/ttyACM1
+# On most linuxes this will be /dev/ttyACM0 or /dev/ttyACM1
 UPLOAD_PORT        ?= /dev/ttyUSB0
 
-#Directory used to build files in, contains all the build files, from object files to the final hex file
-#on linux it is best to put an absolute path like /home/username/tmp .
+# Directory used to build files in, contains all the build files, from object
+# files to the final hex file on linux it is best to put an absolute path
+# like /home/username/tmp .
 BUILD_DIR          ?= applet
 
 # This defines whether Liquid_TWI2 support will be built
 LIQUID_TWI2        ?= 0
 
-# this defines if Wire is needed
+# This defines if Wire is needed
 WIRE               ?= 0
 
-# this defines if U8GLIB is needed (may require RELOC_WORKAROUND)
-U8GLIB             ?= 1
+# This defines if Tone is needed (i.e SPEAKER is defined in Configuration.h)
+# Disabling this (and SPEAKER) saves approximatively 350 bytes of memory.
+TONE               ?= 1
 
-# this defines whether to include the Trinamic TMCStepper library
-TMC                ?= 1
+# This defines if U8GLIB is needed (may require RELOC_WORKAROUND)
+U8GLIB             ?= 0
 
-# this defines whether to include the AdaFruit NeoPixel library
+# This defines whether to include the Trinamic TMCStepper library
+TMC                ?= 0
+
+# This defines whether to include the AdaFruit NeoPixel library
 NEOPIXEL           ?= 0
 
 ############
 # Try to automatically determine whether RELOC_WORKAROUND is needed based
 # on GCC versions:
-#   http://www.avrfreaks.net/comment/1789106#comment-1789106
+#   https://www.avrfreaks.net/comment/1789106#comment-1789106
 
 CC_MAJ:=$(shell $(CC) -dM -E - < /dev/null | grep __GNUC__ | cut -f3 -d\ )
 CC_MIN:=$(shell $(CC) -dM -E - < /dev/null | grep __GNUC_MINOR__ | cut -f3 -d\ )
@@ -170,105 +197,115 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1100)
 else ifeq ($(HARDWARE_MOTHERBOARD),1101)
 # Velleman K8400 Controller (derived from 3Drag Controller)
 else ifeq ($(HARDWARE_MOTHERBOARD),1102)
-# 2PrintBeta BAM&DICE with STK drivers
+# Velleman K8600 Controller (Vertex Nano)
 else ifeq ($(HARDWARE_MOTHERBOARD),1103)
-# 2PrintBeta BAM&DICE Due with STK drivers
+# Velleman K8800 Controller (Vertex Delta)
 else ifeq ($(HARDWARE_MOTHERBOARD),1104)
-# MKS BASE v1.0
+# 2PrintBeta BAM&DICE with STK drivers
 else ifeq ($(HARDWARE_MOTHERBOARD),1105)
-# MKS v1.4 with A4982 stepper drivers
+# 2PrintBeta BAM&DICE Due with STK drivers
 else ifeq ($(HARDWARE_MOTHERBOARD),1106)
-# MKS v1.5 with Allegro A4982 stepper drivers
+# MKS BASE v1.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1107)
-# MKS v1.6 with Allegro A4982 stepper drivers
+# MKS v1.4 with A4982 stepper drivers
 else ifeq ($(HARDWARE_MOTHERBOARD),1108)
-
-# MKS BASE 1.0 with Heroic HR4982 stepper drivers
+# MKS v1.5 with Allegro A4982 stepper drivers
 else ifeq ($(HARDWARE_MOTHERBOARD),1109)
-# MKS GEN v1.3 or 1.4
+# MKS v1.6 with Allegro A4982 stepper drivers
 else ifeq ($(HARDWARE_MOTHERBOARD),1110)
-# MKS GEN L
+# MKS BASE 1.0 with Heroic HR4982 stepper drivers
 else ifeq ($(HARDWARE_MOTHERBOARD),1111)
-# zrib V2.0 control board (Chinese knock off RAMPS replica)
+# MKS GEN v1.3 or 1.4
 else ifeq ($(HARDWARE_MOTHERBOARD),1112)
-# BigTreeTech or BIQU KFB2.0
+# MKS GEN L
 else ifeq ($(HARDWARE_MOTHERBOARD),1113)
-# Felix 2.0+ Electronics Board (RAMPS like)
+# zrib V2.0 control board (Chinese knock off RAMPS replica)
 else ifeq ($(HARDWARE_MOTHERBOARD),1114)
-# Invent-A-Part RigidBoard
+# BigTreeTech or BIQU KFB2.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1115)
-# Invent-A-Part RigidBoard V2
+# Felix 2.0+ Electronics Board (RAMPS like)
 else ifeq ($(HARDWARE_MOTHERBOARD),1116)
-# Sainsmart 2-in-1 board
+# Invent-A-Part RigidBoard
 else ifeq ($(HARDWARE_MOTHERBOARD),1117)
-# Ultimaker
+# Invent-A-Part RigidBoard V2
 else ifeq ($(HARDWARE_MOTHERBOARD),1118)
-# Ultimaker (Older electronics. Pre 1.5.4. This is rare)
+# Sainsmart 2-in-1 board
 else ifeq ($(HARDWARE_MOTHERBOARD),1119)
-  MCU ?= atmega1280
+# Ultimaker
+else ifeq ($(HARDWARE_MOTHERBOARD),1120)
+# Ultimaker (Older electronics. Pre 1.5.4. This is rare)
+else ifeq ($(HARDWARE_MOTHERBOARD),1121)
+  MCU              ?= atmega1280
+  PROG_MCU         ?= m1280
 
 # Azteeg X3
-else ifeq ($(HARDWARE_MOTHERBOARD),1120)
-# Azteeg X3 Pro
-else ifeq ($(HARDWARE_MOTHERBOARD),1121)
-# Ultimainboard 2.x (Uses TEMP_SENSOR 20)
 else ifeq ($(HARDWARE_MOTHERBOARD),1122)
-# Rumba
+# Azteeg X3 Pro
 else ifeq ($(HARDWARE_MOTHERBOARD),1123)
-# Raise3D Rumba
+# Ultimainboard 2.x (Uses TEMP_SENSOR 20)
 else ifeq ($(HARDWARE_MOTHERBOARD),1124)
-# Rapide Lite RL200 Rumba
+# Rumba
 else ifeq ($(HARDWARE_MOTHERBOARD),1125)
-# Formbot T-Rex 2 Plus
+# Raise3D Rumba
 else ifeq ($(HARDWARE_MOTHERBOARD),1126)
-# Formbot T-Rex 3
+# Rapide Lite RL200 Rumba
 else ifeq ($(HARDWARE_MOTHERBOARD),1127)
-# Formbot Raptor
+# Formbot T-Rex 2 Plus
 else ifeq ($(HARDWARE_MOTHERBOARD),1128)
-# Formbot Raptor 2
+# Formbot T-Rex 3
 else ifeq ($(HARDWARE_MOTHERBOARD),1129)
-# bq ZUM Mega 3D
+# Formbot Raptor
 else ifeq ($(HARDWARE_MOTHERBOARD),1130)
-# MakeBoard Mini v2.1.2 is a control board sold by MicroMake
+# Formbot Raptor 2
 else ifeq ($(HARDWARE_MOTHERBOARD),1131)
-# TriGorilla Anycubic version 1.3 based on RAMPS EFB
+# bq ZUM Mega 3D
 else ifeq ($(HARDWARE_MOTHERBOARD),1132)
-# TriGorilla Anycubic version 1.4 based on RAMPS EFB
+# MakeBoard Mini v2.1.2 is a control board sold by MicroMake
 else ifeq ($(HARDWARE_MOTHERBOARD),1133)
-# TriGorilla Anycubic version 1.4 Rev 1.1
+# TriGorilla Anycubic version 1.3 based on RAMPS EFB
 else ifeq ($(HARDWARE_MOTHERBOARD),1134)
-# Creality: Ender-4, CR-8
+# TriGorilla Anycubic version 1.4 based on RAMPS EFB
 else ifeq ($(HARDWARE_MOTHERBOARD),1135)
-# Creality: CR10S, CR20, CR-X
+# TriGorilla Anycubic version 1.4 Rev 1.1
 else ifeq ($(HARDWARE_MOTHERBOARD),1136)
-# Dagoma F5
+# Creality: Ender-4, CR-8
 else ifeq ($(HARDWARE_MOTHERBOARD),1137)
-# FYSETC F6 1.3
+# Creality: CR10S, CR20, CR-X
 else ifeq ($(HARDWARE_MOTHERBOARD),1138)
-# FYSETC F6 1.5
+# Dagoma F5
 else ifeq ($(HARDWARE_MOTHERBOARD),1139)
-# Duplicator i3 Plus
+# FYSETC F6 1.3
 else ifeq ($(HARDWARE_MOTHERBOARD),1140)
-# VORON
+# FYSETC F6 1.5
 else ifeq ($(HARDWARE_MOTHERBOARD),1141)
-# TRONXY V3 1.0
+# Duplicator i3 Plus
 else ifeq ($(HARDWARE_MOTHERBOARD),1142)
-# Z-Bolt X Series
+# VORON
 else ifeq ($(HARDWARE_MOTHERBOARD),1143)
-# TT OSCAR
+# TRONXY V3 1.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1144)
-# Overlord/Overlord Pro
+# Z-Bolt X Series
 else ifeq ($(HARDWARE_MOTHERBOARD),1145)
-# ADIMLab Gantry v1
+# TT OSCAR
 else ifeq ($(HARDWARE_MOTHERBOARD),1146)
-# ADIMLab Gantry v2
+# Overlord/Overlord Pro
 else ifeq ($(HARDWARE_MOTHERBOARD),1147)
-# BIQU Tango V1
+# ADIMLab Gantry v1
 else ifeq ($(HARDWARE_MOTHERBOARD),1148)
-# MKS GEN L V2
+# ADIMLab Gantry v2
 else ifeq ($(HARDWARE_MOTHERBOARD),1149)
-# Copymaster 3D
+# BIQU Tango V1
 else ifeq ($(HARDWARE_MOTHERBOARD),1150)
+# MKS GEN L V2
+else ifeq ($(HARDWARE_MOTHERBOARD),1151)
+# MKS GEN L V2.1
+else ifeq ($(HARDWARE_MOTHERBOARD),1152)
+# Copymaster 3D
+else ifeq ($(HARDWARE_MOTHERBOARD),1153)
+# Ortur 4
+else ifeq ($(HARDWARE_MOTHERBOARD),1154)
+# Tenlog D3 Hero
+else ifeq ($(HARDWARE_MOTHERBOARD),1155)
 
 #
 # RAMBo and derivatives
@@ -341,9 +378,11 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1320)
 # Minitronics v1.0/1.1
 else ifeq ($(HARDWARE_MOTHERBOARD),1400)
   MCU              ?= atmega1281
+  PROG_MCU         ?= m1281
 # Silvergate v1.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1401)
   MCU              ?= atmega1281
+  PROG_MCU         ?= m1281
 
 #
 # Sanguinololu and Derivatives - ATmega644P, ATmega1284P
@@ -353,42 +392,57 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1401)
 else ifeq ($(HARDWARE_MOTHERBOARD),1500)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Sanguinololu 1.2 and above
 else ifeq ($(HARDWARE_MOTHERBOARD),1501)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Melzi
 else ifeq ($(HARDWARE_MOTHERBOARD),1502)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
-# Melzi with ATmega1284 (MaKr3d version)
+  PROG_MCU         ?= m644p
+# Melzi V2.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1503)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Melzi Creality3D board (for CR-10 etc)
+  PROG_MCU         ?= m1284p
+# Melzi with ATmega1284 (MaKr3d version)
 else ifeq ($(HARDWARE_MOTHERBOARD),1504)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Melzi Malyan M150 board
+  PROG_MCU         ?= m1284p
+# Melzi Creality3D board (for CR-10 etc)
 else ifeq ($(HARDWARE_MOTHERBOARD),1505)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Tronxy X5S
+  PROG_MCU         ?= m1284p
+# Melzi Malyan M150 board
 else ifeq ($(HARDWARE_MOTHERBOARD),1506)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# STB V1.1
+  PROG_MCU         ?= m1284p
+# Tronxy X5S
 else ifeq ($(HARDWARE_MOTHERBOARD),1507)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Azteeg X1
+  PROG_MCU         ?= m1284p
+# STB V1.1
 else ifeq ($(HARDWARE_MOTHERBOARD),1508)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Anet 1.0 (Melzi clone)
+  PROG_MCU         ?= m1284p
+# Azteeg X1
 else ifeq ($(HARDWARE_MOTHERBOARD),1509)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
+# Anet 1.0 (Melzi clone)
+else ifeq ($(HARDWARE_MOTHERBOARD),1510)
+  HARDWARE_VARIANT ?= Sanguino
+  MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
 
 #
 # Other ATmega644P, ATmega644, ATmega1284P
@@ -398,50 +452,61 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1509)
 else ifeq ($(HARDWARE_MOTHERBOARD),1600)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Gen3+
 else ifeq ($(HARDWARE_MOTHERBOARD),1601)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Gen6
 else ifeq ($(HARDWARE_MOTHERBOARD),1602)
   HARDWARE_VARIANT ?= Gen6
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Gen6 deluxe
 else ifeq ($(HARDWARE_MOTHERBOARD),1603)
   HARDWARE_VARIANT ?= Gen6
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Gen7 custom (Alfons3 Version)
 else ifeq ($(HARDWARE_MOTHERBOARD),1604)
   HARDWARE_VARIANT ?= Gen7
   MCU              ?= atmega644
+  PROG_MCU         ?= m644
   F_CPU            ?= 20000000
 # Gen7 v1.1, v1.2
 else ifeq ($(HARDWARE_MOTHERBOARD),1605)
   HARDWARE_VARIANT ?= Gen7
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
   F_CPU            ?= 20000000
 # Gen7 v1.3
 else ifeq ($(HARDWARE_MOTHERBOARD),1606)
   HARDWARE_VARIANT ?= Gen7
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
   F_CPU            ?= 20000000
 # Gen7 v1.4
 else ifeq ($(HARDWARE_MOTHERBOARD),1607)
   HARDWARE_VARIANT ?= Gen7
   MCU              ?= atmega1284p
+  PROG_MCU         ?= m1284p
   F_CPU            ?= 20000000
 # Alpha OMCA board
 else ifeq ($(HARDWARE_MOTHERBOARD),1608)
   HARDWARE_VARIANT ?= SanguinoA
   MCU              ?= atmega644
+  PROG_MCU         ?= m644
 # Final OMCA board
 else ifeq ($(HARDWARE_MOTHERBOARD),1609)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 # Sethi 3D_1
 else ifeq ($(HARDWARE_MOTHERBOARD),1610)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
+  PROG_MCU         ?= m644p
 
 #
 # Teensyduino - AT90USB1286, AT90USB1286P
@@ -451,51 +516,60 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1610)
 else ifeq ($(HARDWARE_MOTHERBOARD),1700)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # Printrboard (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1701)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # Printrboard Revision F (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1702)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # Brainwave (AT90USB646)
 else ifeq ($(HARDWARE_MOTHERBOARD),1703)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb646
+  PROG_MCU         ?= usb646
 # Brainwave Pro (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1704)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # SAV Mk-I (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1705)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # Teensy++2.0 (AT90USB1286)
 else ifeq ($(HARDWARE_MOTHERBOARD),1706)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 # 5DPrint D8 Driver Board
 else ifeq ($(HARDWARE_MOTHERBOARD),1707)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
+  PROG_MCU         ?= usb1286
 
 # UltiMachine Archim1 (with DRV8825 drivers)
 else ifeq ($(HARDWARE_MOTHERBOARD),3023)
   HARDWARE_VARIANT ?= archim
   MCPU              = cortex-m3
-  F_CPU             = 84000000L
+  F_CPU             = 84000000
   IS_MCU            = 0
 # UltiMachine Archim2 (with TMC2130 drivers)
 else ifeq ($(HARDWARE_MOTHERBOARD),3024)
   HARDWARE_VARIANT ?= archim
   MCPU              = cortex-m3
-  F_CPU             = 84000000L
+  F_CPU             = 84000000
   IS_MCU            = 0
 endif
 
 # Be sure to regenerate speed_lookuptable.h with create_speed_lookuptable.py
 # if you are setting this to something other than 16MHz
+# Do not put the UL suffix, it's done later on.
 # Set to 16Mhz if not yet set.
 F_CPU ?= 16000000
 
@@ -505,7 +579,8 @@ IS_MCU ?= 1
 ifeq ($(IS_MCU),1)
   # Set to arduino, ATmega2560 if not yet set.
   HARDWARE_VARIANT ?= arduino
-  MCU ?= atmega2560
+  MCU              ?= atmega2560
+  PROG_MCU         ?= m2560
 
   TOOL_PREFIX = avr
   MCU_FLAGS   = -mmcu=$(MCU)
@@ -536,27 +611,36 @@ VPATH += $(BUILD_DIR)
 VPATH += $(HARDWARE_SRC)
 
 ifeq ($(HARDWARE_VARIANT), $(filter $(HARDWARE_VARIANT),arduino Teensy Sanguino))
-VPATH += $(ARDUINO_INSTALL_DIR)/hardware/marlin/avr/libraries/LiquidCrystal/src
-VPATH += $(ARDUINO_INSTALL_DIR)/hardware/marlin/avr/libraries/SPI
+  # Old libraries (avr-core 1.6.21 < / Arduino < 1.6.8)
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SPI
+  # New libraries (avr-core >= 1.6.21 / Arduino >= 1.6.8)
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SPI/src
 endif
 
 ifeq ($(IS_MCU),1)
   VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/cores/arduino
 
+  # Old libraries (avr-core 1.6.21 < / Arduino < 1.6.8)
   VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SPI
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SoftwareSerial
+  # New libraries (avr-core >= 1.6.21 / Arduino >= 1.6.8)
   VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SPI/src
   VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/SoftwareSerial/src
 endif
 
 VPATH += $(ARDUINO_INSTALL_DIR)/libraries/LiquidCrystal/src
+
 ifeq ($(LIQUID_TWI2), 1)
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Wire
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Wire/utility
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/LiquidTWI2
+  WIRE   = 1
+  VPATH += $(ARDUINO_INSTALL_DIR)/libraries/LiquidTWI2
 endif
 ifeq ($(WIRE), 1)
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Wire
-VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Wire/utility
+  # Old libraries (avr-core 1.6.21 / Arduino < 1.6.8)
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/Wire
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/Wire/utility
+  # New libraries (avr-core >= 1.6.21 / Arduino >= 1.6.8)
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/Wire/src
+  VPATH += $(ARDUINO_INSTALL_DIR)/hardware/arduino/avr/libraries/Wire/src/utility
 endif
 ifeq ($(NEOPIXEL), 1)
 VPATH += $(ARDUINO_INSTALL_DIR)/libraries/Adafruit_NeoPixel
@@ -628,13 +712,23 @@ ifeq ($(WIRE), 1)
   LIB_CXXSRC += Wire.cpp
 endif
 
+ifeq ($(TONE), 1)
+  LIB_CXXSRC += Tone.cpp
+endif
+
 ifeq ($(U8GLIB), 1)
   LIB_CXXSRC += U8glib.cpp
-  LIB_SRC += u8g_ll_api.c u8g_bitmap.c u8g_clip.c u8g_com_null.c u8g_delay.c u8g_page.c u8g_pb.c u8g_pb16h1.c u8g_rect.c u8g_state.c u8g_font.c u8g_font_6x13.c u8g_font_04b_03.c u8g_font_5x8.c
+  LIB_SRC += u8g_ll_api.c u8g_bitmap.c u8g_clip.c u8g_com_null.c u8g_delay.c \
+    u8g_page.c u8g_pb.c u8g_pb16h1.c u8g_rect.c u8g_state.c u8g_font.c \
+    u8g_font_6x13.c u8g_font_04b_03.c u8g_font_5x8.c
 endif
 
 ifeq ($(TMC), 1)
-  LIB_CXXSRC += TMCStepper.cpp COOLCONF.cpp DRV_STATUS.cpp IHOLD_IRUN.cpp CHOPCONF.cpp GCONF.cpp PWMCONF.cpp DRV_CONF.cpp DRVCONF.cpp DRVCTRL.cpp DRVSTATUS.cpp ENCMODE.cpp RAMP_STAT.cpp SGCSCONF.cpp SHORT_CONF.cpp SMARTEN.cpp SW_MODE.cpp SW_SPI.cpp TMC2130Stepper.cpp TMC2208Stepper.cpp TMC2209Stepper.cpp TMC2660Stepper.cpp TMC5130Stepper.cpp TMC5160Stepper.cpp
+  LIB_CXXSRC += TMCStepper.cpp COOLCONF.cpp DRV_STATUS.cpp IHOLD_IRUN.cpp \
+    CHOPCONF.cpp GCONF.cpp PWMCONF.cpp DRV_CONF.cpp DRVCONF.cpp DRVCTRL.cpp \
+    DRVSTATUS.cpp ENCMODE.cpp RAMP_STAT.cpp SGCSCONF.cpp SHORT_CONF.cpp \
+    SMARTEN.cpp SW_MODE.cpp SW_SPI.cpp TMC2130Stepper.cpp TMC2208Stepper.cpp \
+    TMC2209Stepper.cpp TMC2660Stepper.cpp TMC5130Stepper.cpp TMC5160Stepper.cpp
 endif
 
 ifeq ($(RELOC_WORKAROUND), 1)
@@ -676,17 +770,23 @@ REMOVE = rm -f
 MV = mv -f
 
 # Place -D or -U options here
-CDEFS    = -DF_CPU=$(F_CPU) ${addprefix -D , $(DEFINES)} -DARDUINO=$(ARDUINO_VERSION)
+CDEFS    = -DF_CPU=$(F_CPU)UL ${addprefix -D , $(DEFINES)} -DARDUINO=$(ARDUINO_VERSION)
 CXXDEFS  = $(CDEFS)
 
 ifeq ($(HARDWARE_VARIANT), Teensy)
-  CDEFS  += -DUSB_SERIAL
+  CDEFS      += -DUSB_SERIAL
   LIB_SRC    += usb.c pins_teensy.c
   LIB_CXXSRC += usb_api.cpp
 
 else ifeq ($(HARDWARE_VARIANT), archim)
-  CDEFS      += -DARDUINO_SAM_ARCHIM -DARDUINO_ARCH_SAM -D__SAM3X8E__ -DUSB_VID=0x27b1 -DUSB_PID=0x0001 -DUSBCON '-DUSB_MANUFACTURER="UltiMachine"' '-DUSB_PRODUCT="Archim"'
-  LIB_CXXSRC += variant.cpp IPAddress.cpp Reset.cpp RingBuffer.cpp Stream.cpp UARTClass.cpp  USARTClass.cpp abi.cpp new.cpp watchdog.cpp CDC.cpp PluggableUSB.cpp  USBCore.cpp
+  CDEFS      += -DARDUINO_SAM_ARCHIM -DARDUINO_ARCH_SAM -D__SAM3X8E__
+  CDEFS      += -DUSB_VID=0x27B1 -DUSB_PID=0x0001 -DUSBCON
+  CDEFS      += '-DUSB_MANUFACTURER="UltiMachine"' '-DUSB_PRODUCT_STRING="Archim"'
+
+  LIB_CXXSRC += variant.cpp IPAddress.cpp Reset.cpp RingBuffer.cpp Stream.cpp \
+    UARTClass.cpp  USARTClass.cpp abi.cpp new.cpp watchdog.cpp CDC.cpp \
+    PluggableUSB.cpp USBCore.cpp
+
   LIB_SRC    += cortex_handlers.c iar_calls_sam3.c syscalls_sam3.c dtostrf.c itoa.c
 
   ifeq ($(U8GLIB), 1)
@@ -712,16 +812,20 @@ CTUNING = -fsigned-char -funsigned-bitfields -fno-exceptions \
 ifneq ($(HARDWARE_MOTHERBOARD),)
   CTUNING += -DMOTHERBOARD=${HARDWARE_MOTHERBOARD}
 endif
+
 #CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
 CXXEXTRA = -fno-use-cxa-atexit -fno-threadsafe-statics -fno-rtti
 CFLAGS := $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CEXTRA)   $(CTUNING) $(CSTANDARD)
 CXXFLAGS :=         $(CDEFS) $(CINCS) -O$(OPT) $(CXXEXTRA) $(CTUNING) $(CXXSTANDARD)
 ASFLAGS :=          $(CDEFS)
 #ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
+
 ifeq ($(HARDWARE_VARIANT), archim)
   LD_PREFIX = -Wl,--gc-sections,-Map,Marlin.ino.map,--cref,--check-sections,--entry=Reset_Handler,--unresolved-symbols=report-all,--warn-common,--warn-section-align
   LD_SUFFIX = $(LDLIBS)
-  LDFLAGS   = -lm -T$(LDSCRIPT) -u _sbrk -u link -u _close -u _fstat -u _isatty -u _lseek -u _read -u _write -u _exit -u kill -u _getpid
+
+  LDFLAGS   = -lm -T$(LDSCRIPT) -u _sbrk -u link -u _close -u _fstat -u _isatty
+  LDFLAGS  += -u _lseek -u _read -u _write -u _exit -u kill -u _getpid
 else
   LD_PREFIX = -Wl,--gc-sections,--relax
   LDFLAGS   = -lm
@@ -737,7 +841,7 @@ else
   AVRDUDE_CONF = $(ARDUINO_INSTALL_DIR)/hardware/tools/avr/etc/avrdude.conf
 endif
 AVRDUDE_FLAGS = -D -C$(AVRDUDE_CONF) \
-  -p$(MCU) -P$(AVRDUDE_PORT) -c$(AVRDUDE_PROGRAMMER) \
+  -p$(PROG_MCU) -P$(AVRDUDE_PORT) -c$(AVRDUDE_PROGRAMMER) \
   -b$(UPLOAD_RATE)
 
 # Since Marlin 2.0, the source files may be distributed into several
@@ -838,7 +942,7 @@ extcoff: $(TARGET).elf
 
 .elf.eep:
 	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
-    --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
+	  --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
 
 # Create extended listing file from ELF output file.
 .elf.lss:
@@ -852,7 +956,7 @@ extcoff: $(TARGET).elf
 
 $(BUILD_DIR)/$(TARGET).elf: $(OBJ) Configuration.h
 	$(Pecho) "  CXX   $@"
-	$P $(CC) $(LD_PREFIX) $(ALL_CXXFLAGS) -o $@ -L. $(OBJ) $(LDFLAGS) $(LD_SUFFIX)
+	$P $(CXX) $(LD_PREFIX) $(ALL_CXXFLAGS) -o $@ -L. $(OBJ) $(LDFLAGS) $(LD_SUFFIX)
 
 # Object files that were found in "src" will be stored in $(BUILD_DIR)
 # in directories that mirror the structure of "src"

Marlin/Marlin.ino

@@ -1,9 +1,8 @@
-/*
-================================================================================
+/*==============================================================================
 
   Marlin Firmware
 
-  (c) 2011-2019 MarlinFirmware
+  (c) 2011-2020 MarlinFirmware
   Portions of Marlin are (c) by their respective authors.
   All code complies with GPLv2 and/or GPLv3
 
@@ -12,30 +11,33 @@
 Greetings! Thank you for choosing Marlin 2 as your 3D printer firmware.
 
 To configure Marlin you must edit Configuration.h and Configuration_adv.h
-located in the root 'Marlin' folder. Check the config/examples folder to see if
-there's a more suitable starting-point for your specific hardware.
+located in the root 'Marlin' folder. Check our Configurations repository to
+see if there's a more suitable starting-point for your specific hardware.
 
 Before diving in, we recommend the following essential links:
 
 Marlin Firmware Official Website
 
-  - http://marlinfw.org/
+  - https://marlinfw.org/
     The official Marlin Firmware website contains the most up-to-date
     documentation. Contributions are always welcome!
 
 Configuration
 
+  - https://github.com/MarlinFirmware/Configurations
+    Example configurations for several printer models.
+
   - https://www.youtube.com/watch?v=3gwWVFtdg-4
     A good 20-minute overview of Marlin configuration by Tom Sanladerer.
     (Applies to Marlin 1.0.x, so Jerk and Acceleration should be halved.)
     Also... https://www.google.com/search?tbs=vid%3A1&q=configure+marlin
 
-  - http://marlinfw.org/docs/configuration/configuration.html
+  - https://marlinfw.org/docs/configuration/configuration.html
     Marlin's configuration options are explained in more detail here.
 
 Getting Help
 
-  - http://forums.reprap.org/list.php?415
+  - https://reprap.org/forum/list.php?415
     The Marlin Discussion Forum is a great place to get help from other Marlin
     users who may have experienced similar issues to your own.
 
@@ -45,9 +47,11 @@ Getting Help
 
 Contributing
 
-  - http://marlinfw.org/docs/development/contributing.html
+  - https://marlinfw.org/docs/development/contributing.html
     If you'd like to contribute to Marlin, read this first!
 
-  - http://marlinfw.org/docs/development/coding_standards.html
+  - https://marlinfw.org/docs/development/coding_standards.html
     Before submitting code get to know the Coding Standards.
-*/
+
+
+------------------------------------------------------------------------------*/

Marlin/Version.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -28,20 +28,20 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "2.0.5.3"
+//#define SHORT_BUILD_VERSION "2.0.7.2"
 
 /**
  * Verbose version identifier which should contain a reference to the location
  * from where the binary was downloaded or the source code was compiled.
  */
-//#define DETAILED_BUILD_VERSION SHORT_BUILD_VERSION " (Github)"
+//#define DETAILED_BUILD_VERSION SHORT_BUILD_VERSION
 
 /**
  * The STRING_DISTRIBUTION_DATE represents when the binary file was built,
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
-//#define STRING_DISTRIBUTION_DATE "2020-01-31"
+//#define STRING_DISTRIBUTION_DATE "2020-07-09"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.
@@ -65,12 +65,12 @@
  * The WEBSITE_URL is the location where users can get more information such as
  * documentation about a specific Marlin release.
  */
-//#define WEBSITE_URL "http://marlinfw.org"
+//#define WEBSITE_URL "https://marlinfw.org"
 
 /**
  * Set the vendor info the serial USB interface, if changable
  * Currently only supported by DUE platform
  */
-//#define  USB_DEVICE_VENDOR_ID           0x0000
-//#define  USB_DEVICE_PRODUCT_ID          0x0000
-//#define  USB_DEVICE_MANUFACTURE_NAME    WEBSITE_URL
+//#define USB_DEVICE_VENDOR_ID           0x0000
+//#define USB_DEVICE_PRODUCT_ID          0x0000
+//#define USB_DEVICE_MANUFACTURE_NAME    WEBSITE_URL

Marlin/lib/readme.txt

@@ -33,4 +33,4 @@ PlatformIO will find your libraries automatically, configure preprocessor's
 include paths and build them.
 
 More information about PlatformIO Library Dependency Finder
-- http://docs.platformio.org/page/librarymanager/ldf.html
+- https://docs.platformio.org/page/librarymanager/ldf.html

Marlin/src/HAL/AVR/HAL.cpp

@@ -16,10 +16,9 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
-
 #ifdef __AVR__
 
 #include "../../inc/MarlinConfig.h"

Marlin/src/HAL/AVR/HAL.h

@@ -14,7 +14,8 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
  */
 #pragma once
 
@@ -24,7 +25,7 @@
 #include "watchdog.h"
 #include "math.h"
 
-#ifdef USBCON
+#ifdef IS_AT90USB
   #include <HardwareSerial.h>
 #else
   #define HardwareSerial_h // Hack to prevent HardwareSerial.h header inclusion
@@ -50,7 +51,11 @@
 // Defines
 // ------------------------
 
-//#define analogInputToDigitalPin(IO) IO
+// AVR PROGMEM extension for sprintf_P
+#define S_FMT "%S"
+
+// AVR PROGMEM extension for string define
+#define PGMSTR(NAM,STR) const char NAM[] PROGMEM = STR
 
 #ifndef CRITICAL_SECTION_START
   #define CRITICAL_SECTION_START()  unsigned char _sreg = SREG; cli()
@@ -60,16 +65,10 @@
 #define ENABLE_ISRS()  sei()
 #define DISABLE_ISRS() cli()
 
-// On AVR this is in math.h?
-//#define square(x) ((x)*(x))
-
 // ------------------------
 // Types
 // ------------------------
 
-typedef uint16_t hal_timer_t;
-#define HAL_TIMER_TYPE_MAX 0xFFFF
-
 typedef int8_t pin_t;
 
 #define SHARED_SERVOS HAS_SERVOS
@@ -82,44 +81,30 @@ typedef int8_t pin_t;
 //extern uint8_t MCUSR;
 
 // Serial ports
-#ifdef USBCON
-  #if ENABLED(BLUETOOTH)
-    #define MYSERIAL0 bluetoothSerial
-  #else
-    #define MYSERIAL0 Serial
-  #endif
-  #define NUM_SERIAL 1
+#ifdef IS_AT90USB
+  #define MYSERIAL0 TERN(BLUETOOTH, bluetoothSerial, Serial)
 #else
   #if !WITHIN(SERIAL_PORT, -1, 3)
     #error "SERIAL_PORT must be from -1 to 3. Please update your configuration."
   #endif
-
   #define MYSERIAL0 customizedSerial1
 
   #ifdef SERIAL_PORT_2
     #if !WITHIN(SERIAL_PORT_2, -1, 3)
       #error "SERIAL_PORT_2 must be from -1 to 3. Please update your configuration."
-    #elif SERIAL_PORT_2 == SERIAL_PORT
-      #error "SERIAL_PORT_2 must be different than SERIAL_PORT. Please update your configuration."
     #endif
     #define MYSERIAL1 customizedSerial2
-    #define NUM_SERIAL 2
-  #else
-    #define NUM_SERIAL 1
   #endif
 #endif
 
-#ifdef DGUS_SERIAL_PORT
-  #if !WITHIN(DGUS_SERIAL_PORT, -1, 3)
-    #error "DGUS_SERIAL_PORT must be from -1 to 3. Please update your configuration."
-  #elif DGUS_SERIAL_PORT == SERIAL_PORT
-    #error "DGUS_SERIAL_PORT must be different than SERIAL_PORT. Please update your configuration."
-  #elif defined(SERIAL_PORT_2) && DGUS_SERIAL_PORT == SERIAL_PORT_2
-    #error "DGUS_SERIAL_PORT must be different than SERIAL_PORT_2. Please update your configuration."
+#ifdef LCD_SERIAL_PORT
+  #if !WITHIN(LCD_SERIAL_PORT, -1, 3)
+    #error "LCD_SERIAL_PORT must be from -1 to 3. Please update your configuration."
+  #endif
+  #define LCD_SERIAL lcdSerial
+  #if HAS_DGUS_LCD
+    #define SERIAL_GET_TX_BUFFER_FREE() LCD_SERIAL.get_tx_buffer_free()
   #endif
-  #define DGUS_SERIAL internalDgusSerial
-
-  #define DGUS_SERIAL_GET_TX_BUFFER_FREE DGUS_SERIAL.get_tx_buffer_free
 #endif
 
 // ------------------------
@@ -135,6 +120,8 @@ void HAL_init();
 inline void HAL_clear_reset_source() { MCUSR = 0; }
 inline uint8_t HAL_get_reset_source() { return MCUSR; }
 
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
+
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-function"
 extern "C" {
@@ -142,220 +129,6 @@ extern "C" {
 }
 #pragma GCC diagnostic pop
 
-// timers
-#define HAL_TIMER_RATE          ((F_CPU) / 8)    // i.e., 2MHz or 2.5MHz
-
-#define STEP_TIMER_NUM          1
-#define TEMP_TIMER_NUM          0
-#define PULSE_TIMER_NUM         STEP_TIMER_NUM
-
-#define TEMP_TIMER_FREQUENCY    ((F_CPU) / 64.0 / 256.0)
-
-#define STEPPER_TIMER_RATE      HAL_TIMER_RATE
-#define STEPPER_TIMER_PRESCALE  8
-#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // Cannot be of type double
-
-#define PULSE_TIMER_RATE       STEPPER_TIMER_RATE   // frequency of pulse timer
-#define PULSE_TIMER_PRESCALE   STEPPER_TIMER_PRESCALE
-#define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
-
-#define ENABLE_STEPPER_DRIVER_INTERRUPT()  SBI(TIMSK1, OCIE1A)
-#define DISABLE_STEPPER_DRIVER_INTERRUPT() CBI(TIMSK1, OCIE1A)
-#define STEPPER_ISR_ENABLED()             TEST(TIMSK1, OCIE1A)
-
-#define ENABLE_TEMPERATURE_INTERRUPT()     SBI(TIMSK0, OCIE0B)
-#define DISABLE_TEMPERATURE_INTERRUPT()    CBI(TIMSK0, OCIE0B)
-#define TEMPERATURE_ISR_ENABLED()         TEST(TIMSK0, OCIE0B)
-
-FORCE_INLINE void HAL_timer_start(const uint8_t timer_num, const uint32_t) {
-  switch (timer_num) {
-    case STEP_TIMER_NUM:
-      // waveform generation = 0100 = CTC
-      SET_WGM(1, CTC_OCRnA);
-
-      // output mode = 00 (disconnected)
-      SET_COMA(1, NORMAL);
-
-      // Set the timer pre-scaler
-      // Generally we use a divider of 8, resulting in a 2MHz timer
-      // frequency on a 16MHz MCU. If you are going to change this, be
-      // sure to regenerate speed_lookuptable.h with
-      // create_speed_lookuptable.py
-      SET_CS(1, PRESCALER_8);  //  CS 2 = 1/8 prescaler
-
-      // Init Stepper ISR to 122 Hz for quick starting
-      // (F_CPU) / (STEPPER_TIMER_PRESCALE) / frequency
-      OCR1A = 0x4000;
-      TCNT1 = 0;
-      break;
-
-    case TEMP_TIMER_NUM:
-      // Use timer0 for temperature measurement
-      // Interleave temperature interrupt with millies interrupt
-      OCR0B = 128;
-      break;
-  }
-}
-
-#define TIMER_OCR_1             OCR1A
-#define TIMER_COUNTER_1         TCNT1
-
-#define TIMER_OCR_0             OCR0A
-#define TIMER_COUNTER_0         TCNT0
-
-#define _CAT(a,V...) a##V
-#define HAL_timer_set_compare(timer, compare) (_CAT(TIMER_OCR_, timer) = compare)
-#define HAL_timer_get_compare(timer) _CAT(TIMER_OCR_, timer)
-#define HAL_timer_get_count(timer) _CAT(TIMER_COUNTER_, timer)
-
-/**
- * On AVR there is no hardware prioritization and preemption of
- * interrupts, so this emulates it. The UART has first priority
- * (otherwise, characters will be lost due to UART overflow).
- * Then: Stepper, Endstops, Temperature, and -finally- all others.
- */
-#define HAL_timer_isr_prologue(TIMER_NUM)
-#define HAL_timer_isr_epilogue(TIMER_NUM)
-
-/* 18 cycles maximum latency */
-#define HAL_STEP_TIMER_ISR() \
-extern "C" void TIMER1_COMPA_vect() __attribute__ ((signal, naked, used, externally_visible)); \
-extern "C" void TIMER1_COMPA_vect_bottom() asm ("TIMER1_COMPA_vect_bottom") __attribute__ ((used, externally_visible, noinline)); \
-void TIMER1_COMPA_vect() { \
-  __asm__ __volatile__ ( \
-    A("push r16")                      /* 2 Save R16 */ \
-    A("in r16, __SREG__")              /* 1 Get SREG */ \
-    A("push r16")                      /* 2 Save SREG into stack */ \
-    A("lds r16, %[timsk0]")            /* 2 Load into R0 the Temperature timer Interrupt mask register */ \
-    A("push r16")                      /* 2 Save TIMSK0 into the stack */ \
-    A("andi r16,~%[msk0]")             /* 1 Disable the temperature ISR */ \
-    A("sts %[timsk0], r16")            /* 2 And set the new value */ \
-    A("lds r16, %[timsk1]")            /* 2 Load into R0 the stepper timer Interrupt mask register [TIMSK1] */ \
-    A("andi r16,~%[msk1]")             /* 1 Disable the stepper ISR */ \
-    A("sts %[timsk1], r16")            /* 2 And set the new value */ \
-    A("push r16")                      /* 2 Save TIMSK1 into stack */ \
-    A("in r16, 0x3B")                  /* 1 Get RAMPZ register */ \
-    A("push r16")                      /* 2 Save RAMPZ into stack */ \
-    A("in r16, 0x3C")                  /* 1 Get EIND register */ \
-    A("push r0")                       /* C runtime can modify all the following registers without restoring them */ \
-    A("push r1")                       \
-    A("push r18")                      \
-    A("push r19")                      \
-    A("push r20")                      \
-    A("push r21")                      \
-    A("push r22")                      \
-    A("push r23")                      \
-    A("push r24")                      \
-    A("push r25")                      \
-    A("push r26")                      \
-    A("push r27")                      \
-    A("push r30")                      \
-    A("push r31")                      \
-    A("clr r1")                        /* C runtime expects this register to be 0 */ \
-    A("call TIMER1_COMPA_vect_bottom") /* Call the bottom handler - No inlining allowed, otherwise registers used are not saved */   \
-    A("pop r31")                       \
-    A("pop r30")                       \
-    A("pop r27")                       \
-    A("pop r26")                       \
-    A("pop r25")                       \
-    A("pop r24")                       \
-    A("pop r23")                       \
-    A("pop r22")                       \
-    A("pop r21")                       \
-    A("pop r20")                       \
-    A("pop r19")                       \
-    A("pop r18")                       \
-    A("pop r1")                        \
-    A("pop r0")                        \
-    A("out 0x3C, r16")                 /* 1 Restore EIND register */ \
-    A("pop r16")                       /* 2 Get the original RAMPZ register value */ \
-    A("out 0x3B, r16")                 /* 1 Restore RAMPZ register to its original value */ \
-    A("pop r16")                       /* 2 Get the original TIMSK1 value but with stepper ISR disabled */ \
-    A("ori r16,%[msk1]")               /* 1 Reenable the stepper ISR */ \
-    A("cli")                           /* 1 Disable global interrupts - Reenabling Stepper ISR can reenter amd temperature can reenter, and we want that, if it happens, after this ISR has ended */ \
-    A("sts %[timsk1], r16")            /* 2 And restore the old value - This reenables the stepper ISR */ \
-    A("pop r16")                       /* 2 Get the temperature timer Interrupt mask register [TIMSK0] */ \
-    A("sts %[timsk0], r16")            /* 2 And restore the old value - This reenables the temperature ISR */ \
-    A("pop r16")                       /* 2 Get the old SREG value */ \
-    A("out __SREG__, r16")             /* 1 And restore the SREG value */ \
-    A("pop r16")                       /* 2 Restore R16 value */ \
-    A("reti")                          /* 4 Return from interrupt */ \
-    :                                   \
-    : [timsk0] "i" ((uint16_t)&TIMSK0), \
-      [timsk1] "i" ((uint16_t)&TIMSK1), \
-      [msk0] "M" ((uint8_t)(1<<OCIE0B)),\
-      [msk1] "M" ((uint8_t)(1<<OCIE1A)) \
-    : \
-  ); \
-} \
-void TIMER1_COMPA_vect_bottom()
-
-/* 14 cycles maximum latency */
-#define HAL_TEMP_TIMER_ISR() \
-extern "C" void TIMER0_COMPB_vect() __attribute__ ((signal, naked, used, externally_visible)); \
-extern "C" void TIMER0_COMPB_vect_bottom()  asm ("TIMER0_COMPB_vect_bottom") __attribute__ ((used, externally_visible, noinline)); \
-void TIMER0_COMPB_vect() { \
-  __asm__ __volatile__ ( \
-    A("push r16")                       /* 2 Save R16 */ \
-    A("in r16, __SREG__")               /* 1 Get SREG */ \
-    A("push r16")                       /* 2 Save SREG into stack */ \
-    A("lds r16, %[timsk0]")             /* 2 Load into R0 the Temperature timer Interrupt mask register */ \
-    A("andi r16,~%[msk0]")              /* 1 Disable the temperature ISR */ \
-    A("sts %[timsk0], r16")             /* 2 And set the new value */ \
-    A("sei")                            /* 1 Enable global interrupts - It is safe, as the temperature ISR is disabled, so we cannot reenter it */    \
-    A("push r16")                       /* 2 Save TIMSK0 into stack */ \
-    A("in r16, 0x3B")                   /* 1 Get RAMPZ register */ \
-    A("push r16")                       /* 2 Save RAMPZ into stack */ \
-    A("in r16, 0x3C")                   /* 1 Get EIND register */ \
-    A("push r0")                        /* C runtime can modify all the following registers without restoring them */ \
-    A("push r1")                        \
-    A("push r18")                       \
-    A("push r19")                       \
-    A("push r20")                       \
-    A("push r21")                       \
-    A("push r22")                       \
-    A("push r23")                       \
-    A("push r24")                       \
-    A("push r25")                       \
-    A("push r26")                       \
-    A("push r27")                       \
-    A("push r30")                       \
-    A("push r31")                       \
-    A("clr r1")                         /* C runtime expects this register to be 0 */ \
-    A("call TIMER0_COMPB_vect_bottom")  /* Call the bottom handler - No inlining allowed, otherwise registers used are not saved */   \
-    A("pop r31")                        \
-    A("pop r30")                        \
-    A("pop r27")                        \
-    A("pop r26")                        \
-    A("pop r25")                        \
-    A("pop r24")                        \
-    A("pop r23")                        \
-    A("pop r22")                        \
-    A("pop r21")                        \
-    A("pop r20")                        \
-    A("pop r19")                        \
-    A("pop r18")                        \
-    A("pop r1")                         \
-    A("pop r0")                         \
-    A("out 0x3C, r16")                  /* 1 Restore EIND register */ \
-    A("pop r16")                        /* 2 Get the original RAMPZ register value */ \
-    A("out 0x3B, r16")                  /* 1 Restore RAMPZ register to its original value */ \
-    A("pop r16")                        /* 2 Get the original TIMSK0 value but with temperature ISR disabled */ \
-    A("ori r16,%[msk0]")                /* 1 Enable temperature ISR */ \
-    A("cli")                            /* 1 Disable global interrupts - We must do this, as we will reenable the temperature ISR, and we don't want to reenter this handler until the current one is done */ \
-    A("sts %[timsk0], r16")             /* 2 And restore the old value */ \
-    A("pop r16")                        /* 2 Get the old SREG */ \
-    A("out __SREG__, r16")              /* 1 And restore the SREG value */ \
-    A("pop r16")                        /* 2 Restore R16 */ \
-    A("reti")                           /* 4 Return from interrupt */ \
-    :                                   \
-    : [timsk0] "i"((uint16_t)&TIMSK0),  \
-      [msk0] "M" ((uint8_t)(1<<OCIE0B)) \
-    : \
-  ); \
-} \
-void TIMER0_COMPB_vect_bottom()
-
 // ADC
 #ifdef DIDR2
   #define HAL_ANALOG_SELECT(ind) do{ if (ind < 8) SBI(DIDR0, ind); else SBI(DIDR2, ind & 0x07); }while(0)
@@ -378,6 +151,7 @@ inline void HAL_adc_init() {
   #define HAL_START_ADC(ch) ADCSRB = 0; SET_ADMUX_ADCSRA(ch)
 #endif
 
+#define HAL_ADC_VREF        5.0
 #define HAL_ADC_RESOLUTION 10
 #define HAL_READ_ADC()  ADC
 #define HAL_ADC_READY() !TEST(ADCSRA, ADSC)
@@ -395,6 +169,8 @@ inline void HAL_adc_init() {
 // AVR compatibility
 #define strtof strtod
 
+#define HAL_CAN_SET_PWM_FREQ   // This HAL supports PWM Frequency adjustment
+
 /**
  *  set_pwm_frequency
  *  Sets the frequency of the timer corresponding to the provided pin

Marlin/src/HAL/AVR/HAL_SPI.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 

Marlin/src/HAL/AVR/MarlinSerial.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -48,11 +48,11 @@
 
   // These are macros to build serial port register names for the selected SERIAL_PORT (C preprocessor
   // requires two levels of indirection to expand macro values properly)
-  #define SERIAL_REGNAME(registerbase,number,suffix) SERIAL_REGNAME_INTERNAL(registerbase,number,suffix)
+  #define SERIAL_REGNAME(registerbase,number,suffix) _SERIAL_REGNAME(registerbase,number,suffix)
   #if SERIAL_PORT == 0 && (!defined(UBRR0H) || !defined(UDR0)) // use un-numbered registers if necessary
-    #define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##suffix
+    #define _SERIAL_REGNAME(registerbase,number,suffix) registerbase##suffix
   #else
-    #define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##number##suffix
+    #define _SERIAL_REGNAME(registerbase,number,suffix) registerbase##number##suffix
   #endif
 
   // Registers used by MarlinSerial class (expanded depending on selected serial port)
@@ -217,10 +217,12 @@
       static ring_buffer_pos_t available();
       static void write(const uint8_t c);
       static void flushTX();
-      #ifdef DGUS_SERIAL_PORT
+      #if HAS_DGUS_LCD
         static ring_buffer_pos_t get_tx_buffer_free();
       #endif
 
+      static inline bool emergency_parser_enabled() { return Cfg::EMERGENCYPARSER; }
+
       FORCE_INLINE static uint8_t dropped() { return Cfg::DROPPED_RX ? rx_dropped_bytes : 0; }
       FORCE_INLINE static uint8_t buffer_overruns() { return Cfg::RX_OVERRUNS ? rx_buffer_overruns : 0; }
       FORCE_INLINE static uint8_t framing_errors() { return Cfg::RX_FRAMING_ERRORS ? rx_framing_errors : 0; }
@@ -278,41 +280,53 @@
 
 #endif // !USBCON
 
-#ifdef INTERNAL_SERIAL_PORT
+#ifdef MMU2_SERIAL_PORT
   template <uint8_t serial>
-  struct MarlinInternalSerialCfg {
+  struct MMU2SerialCfg {
     static constexpr int PORT               = serial;
+    static constexpr bool XONOFF            = false;
+    static constexpr bool EMERGENCYPARSER   = false;
+    static constexpr bool DROPPED_RX        = false;
+    static constexpr bool RX_FRAMING_ERRORS = false;
+    static constexpr bool MAX_RX_QUEUED     = false;
     static constexpr unsigned int RX_SIZE   = 32;
     static constexpr unsigned int TX_SIZE   = 32;
-    static constexpr bool XONOFF            = false;
-    static constexpr bool EMERGENCYPARSER   = false;
-    static constexpr bool DROPPED_RX        = false;
     static constexpr bool RX_OVERRUNS       = false;
-    static constexpr bool RX_FRAMING_ERRORS = false;
-    static constexpr bool MAX_RX_QUEUED     = false;
   };
 
-  extern MarlinSerial<MarlinInternalSerialCfg<INTERNAL_SERIAL_PORT>> internalSerial;
+  extern MarlinSerial<MMU2SerialCfg<MMU2_SERIAL_PORT>> mmuSerial;
 #endif
 
-#ifdef DGUS_SERIAL_PORT
+#ifdef LCD_SERIAL_PORT
+
   template <uint8_t serial>
-  struct MarlinInternalSerialCfg {
-    static constexpr int PORT               = serial;
-    static constexpr unsigned int RX_SIZE   = 128;
-    static constexpr unsigned int TX_SIZE   = 48;
-    static constexpr bool XONOFF            = false;
-    static constexpr bool EMERGENCYPARSER   = false;
-    static constexpr bool DROPPED_RX        = false;
-    static constexpr bool RX_OVERRUNS       = HAS_DGUS_LCD && ENABLED(DGUS_SERIAL_STATS_RX_BUFFER_OVERRUNS);
-    static constexpr bool RX_FRAMING_ERRORS = false;
-    static constexpr bool MAX_RX_QUEUED     = false;
+  struct LCDSerialCfg {
+    static constexpr int PORT                 = serial;
+    static constexpr bool XONOFF              = false;
+    static constexpr bool EMERGENCYPARSER     = ENABLED(EMERGENCY_PARSER);
+    static constexpr bool DROPPED_RX          = false;
+    static constexpr bool RX_FRAMING_ERRORS   = false;
+    static constexpr bool MAX_RX_QUEUED       = false;
+    #if HAS_DGUS_LCD
+      static constexpr unsigned int RX_SIZE   = DGUS_RX_BUFFER_SIZE;
+      static constexpr unsigned int TX_SIZE   = DGUS_TX_BUFFER_SIZE;
+      static constexpr bool RX_OVERRUNS       = ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS);
+    #elif EITHER(ANYCUBIC_LCD_I3MEGA, ANYCUBIC_LCD_CHIRON)
+      static constexpr unsigned int RX_SIZE   = 64;
+      static constexpr unsigned int TX_SIZE   = 128;
+      static constexpr bool RX_OVERRUNS       = false;
+    #else
+      static constexpr unsigned int RX_SIZE   = 64;
+      static constexpr unsigned int TX_SIZE   = 128;
+      static constexpr bool RX_OVERRUNS       = false
+    #endif
   };
 
-  extern MarlinSerial<MarlinInternalSerialCfg<DGUS_SERIAL_PORT>> internalDgusSerial;
+  extern MarlinSerial<LCDSerialCfg<LCD_SERIAL_PORT>> lcdSerial;
+
 #endif
 
 // Use the UART for Bluetooth in AT90USB configurations
-#if defined(USBCON) && ENABLED(BLUETOOTH)
+#if BOTH(IS_AT90USB, BLUETOOTH)
   extern HardwareSerial bluetoothSerial;
 #endif

Marlin/src/HAL/AVR/Servo.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -48,7 +48,6 @@
  * readMicroseconds()    - Get the last-written servo pulse width in microseconds.
  * attached()            - Return true if a servo is attached.
  * detach()              - Stop an attached servo from pulsing its i/o pin.
- *
  */
 
 #ifdef __AVR__
@@ -59,7 +58,6 @@
 
 #include <avr/interrupt.h>
 
-#include "../shared/Marduino.h"
 #include "../shared/servo.h"
 #include "../shared/servo_private.h"
 

Marlin/src/HAL/AVR/ServoTimers.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -59,10 +59,12 @@
 // Say which 16 bit timers can be used and in what order
 #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
   //#define _useTimer1
-  #define _useTimer3
   #define _useTimer4
-  #if !HAS_MOTOR_CURRENT_PWM
-    #define _useTimer5 // Timer 5 is used for motor current PWM and can't be used for servos.
+  #if NUM_SERVOS > SERVOS_PER_TIMER
+    #define _useTimer3
+    #if !HAS_MOTOR_CURRENT_PWM && SERVOS > 2 * SERVOS_PER_TIMER
+      #define _useTimer5 // Timer 5 is used for motor current PWM and can't be used for servos.
+    #endif
   #endif
 #elif defined(__AVR_ATmega32U4__)
   #define _useTimer3

Marlin/src/HAL/AVR/eeprom.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #ifdef __AVR__
@@ -25,9 +25,18 @@
 
 #if EITHER(EEPROM_SETTINGS, SD_FIRMWARE_UPDATE)
 
+/**
+ * PersistentStore for Arduino-style EEPROM interface
+ * with implementations supplied by the framework.
+ */
+
 #include "../shared/eeprom_api.h"
 
-bool PersistentStore::access_start() { return true; }
+#ifndef MARLIN_EEPROM_SIZE
+  #define MARLIN_EEPROM_SIZE size_t(E2END + 1)
+#endif
+size_t PersistentStore::capacity()    { return MARLIN_EEPROM_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) {
@@ -46,7 +55,7 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
     crc16(crc, &v, 1);
     pos++;
     value++;
-  };
+  }
   return false;
 }
 
@@ -61,7 +70,5 @@ bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t
   return false;  // always assume success for AVR's
 }
 
-size_t PersistentStore::capacity() { return E2END + 1; }
-
 #endif // EEPROM_SETTINGS || SD_FIRMWARE_UPDATE
 #endif // __AVR__

Marlin/src/HAL/AVR/endstop_interrupts.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/AVR/fast_pwm.cpp

@@ -16,14 +16,14 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #ifdef __AVR__
 
 #include "../../inc/MarlinConfigPre.h"
 
-#if ENABLED(FAST_PWM_FAN) || SPINDLE_LASER_PWM
+#if NEEDS_HARDWARE_PWM // Specific meta-flag for features that mandate PWM
 
 #include "HAL.h"
 
@@ -185,8 +185,8 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
         res_temp_phase_correct = rtf / 2;
       }
 
-      LIMIT(res_temp_fast, 1u, size);
-      LIMIT(res_temp_phase_correct, 1u, size);
+      LIMIT(res_temp_fast, 1U, size);
+      LIMIT(res_temp_phase_correct, 1U, size);
       // Calculate frequencies of test prescaler and resolution values
       const int f_temp_fast = (F_CPU) / (prescaler[i] * (1 + res_temp_fast)),
                 f_temp_phase_correct = (F_CPU) / (2 * prescaler[i] * res_temp_phase_correct),
@@ -274,9 +274,9 @@ void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255
     else
       top = *timer.ICRn; // top = ICRn
 
-    _SET_OCRnQ(timer.OCRnQ, timer.q, v * float(top / v_size)); // Scale 8/16-bit v to top value
+    _SET_OCRnQ(timer.OCRnQ, timer.q, v * float(top) / float(v_size)); // Scale 8/16-bit v to top value
   }
 }
 
-#endif // FAST_PWM_FAN || SPINDLE_LASER_PWM
+#endif // NEEDS_HARDWARE_PWM
 #endif // __AVR__

Marlin/src/HAL/AVR/fastio.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -234,5 +234,55 @@ uint8_t extDigitalRead(const int8_t pin) {
   }
 }
 
+#if 0
+/**
+ * Set Timer 5 PWM frequency in Hz, from 3.8Hz up to ~16MHz
+ * with a minimum resolution of 100 steps.
+ *
+ * DC values -1.0 to 1.0. Negative duty cycle inverts the pulse.
+ */
+uint16_t set_pwm_frequency_hz(const float &hz, const float dca, const float dcb, const float dcc) {
+  float count = 0;
+  if (hz > 0 && (dca || dcb || dcc)) {
+    count = float(F_CPU) / hz;            // 1x prescaler, TOP for 16MHz base freq.
+    uint16_t prescaler;                   // Range of 30.5Hz (65535) 64.5KHz (>31)
+
+         if (count >= 255. * 256.) { prescaler = 1024; SET_CS(5, PRESCALER_1024); }
+    else if (count >= 255. * 64.)  { prescaler = 256;  SET_CS(5,  PRESCALER_256); }
+    else if (count >= 255. * 8.)   { prescaler = 64;   SET_CS(5,   PRESCALER_64); }
+    else if (count >= 255.)        { prescaler = 8;    SET_CS(5,    PRESCALER_8); }
+    else                           { prescaler = 1;    SET_CS(5,    PRESCALER_1); }
+
+    count /= float(prescaler);
+    const float pwm_top = round(count);   // Get the rounded count
+
+    ICR5 = (uint16_t)pwm_top - 1;         // Subtract 1 for TOP
+    OCR5A = pwm_top * ABS(dca);          // Update and scale DCs
+    OCR5B = pwm_top * ABS(dcb);
+    OCR5C = pwm_top * ABS(dcc);
+    _SET_COM(5, A, dca ? (dca < 0 ? COM_SET_CLEAR : COM_CLEAR_SET) : COM_NORMAL); // Set compare modes
+    _SET_COM(5, B, dcb ? (dcb < 0 ? COM_SET_CLEAR : COM_CLEAR_SET) : COM_NORMAL);
+    _SET_COM(5, C, dcc ? (dcc < 0 ? COM_SET_CLEAR : COM_CLEAR_SET) : COM_NORMAL);
+
+    SET_WGM(5, FAST_PWM_ICRn);            // Fast PWM with ICR5 as TOP
+
+    //SERIAL_ECHOLNPGM("Timer 5 Settings:");
+    //SERIAL_ECHOLNPAIR("  Prescaler=", prescaler);
+    //SERIAL_ECHOLNPAIR("        TOP=", ICR5);
+    //SERIAL_ECHOLNPAIR("      OCR5A=", OCR5A);
+    //SERIAL_ECHOLNPAIR("      OCR5B=", OCR5B);
+    //SERIAL_ECHOLNPAIR("      OCR5C=", OCR5C);
+  }
+  else {
+    // Restore the default for Timer 5
+    SET_WGM(5, PWM_PC_8);                 // PWM 8-bit (Phase Correct)
+    SET_COMS(5, NORMAL, NORMAL, NORMAL);  // Do nothing
+    SET_CS(5, PRESCALER_64);              // 16MHz / 64 = 250KHz
+    OCR5A = OCR5B = OCR5C = 0;
+  }
+  return round(count);
+}
+#endif
+
 #endif // FASTIO_EXT_START
 #endif // __AVR__

Marlin/src/HAL/AVR/fastio.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -29,11 +29,17 @@
 
 #include <avr/io.h>
 
-#define AVR_AT90USB1286_FAMILY (defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1286P__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB646P__) || defined(__AVR_AT90USB647__))
-#define AVR_ATmega1284_FAMILY (defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) || defined(__AVR_ATmega1284P__))
-#define AVR_ATmega2560_FAMILY (defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__))
-#define AVR_ATmega2561_FAMILY (defined(__AVR_ATmega1281__) || defined(__AVR_ATmega2561__))
-#define AVR_ATmega328_FAMILY (defined(__AVR_ATmega168__) || defined(__AVR_ATmega328__) || defined(__AVR_ATmega328P__))
+#if defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1286P__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB646P__) || defined(__AVR_AT90USB647__)
+  #define AVR_AT90USB1286_FAMILY 1
+#elif defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) || defined(__AVR_ATmega1284P__)
+  #define AVR_ATmega1284_FAMILY 1
+#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+  #define AVR_ATmega2560_FAMILY 1
+#elif defined(__AVR_ATmega1281__) || defined(__AVR_ATmega2561__)
+  #define AVR_ATmega2561_FAMILY 1
+#elif defined(__AVR_ATmega168__) || defined(__AVR_ATmega328__) || defined(__AVR_ATmega328P__)
+  #define AVR_ATmega328_FAMILY 1
+#endif
 
 /**
  * Include Ports and Functions
@@ -57,7 +63,7 @@
  *
  * Now you can simply SET_OUTPUT(PIN); WRITE(PIN, HIGH); WRITE(PIN, LOW);
  *
- * Why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
+ * Why double up on these macros? see https://gcc.gnu.org/onlinedocs/cpp/Stringification.html
  */
 
 #define _READ(IO)             TEST(DIO ## IO ## _RPORT, DIO ## IO ## _PIN)

Marlin/src/HAL/AVR/fastio/fastio_1280.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/AVR/fastio/fastio_1281.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/AVR/fastio/fastio_168.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/AVR/fastio/fastio_644.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

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

@@ -16,7 +16,11 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
+
+#if HAS_SPI_TFT || HAS_FSMC_TFT
+  #error "Sorry! TFT displays are not available for HAL/AVR."
+#endif

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -25,16 +25,6 @@
  * Test AVR-specific configuration values for errors at compile-time.
  */
 
-/**
- * Digipot requirement
- */
- #if ENABLED(DIGIPOT_MCP4018)
-  #if !defined(DIGIPOTS_I2C_SDA_X) || !defined(DIGIPOTS_I2C_SDA_Y) || !defined(DIGIPOTS_I2C_SDA_Z) \
-    || !defined(DIGIPOTS_I2C_SDA_E0) || !defined(DIGIPOTS_I2C_SDA_E1)
-      #error "DIGIPOT_MCP4018 requires DIGIPOTS_I2C_SDA_* pins to be defined."
-  #endif
-#endif
-
 /**
  * Checks for FAST PWM
  */
@@ -46,20 +36,23 @@
  * Sanity checks for Spindle / Laser PWM
  */
 #if ENABLED(SPINDLE_LASER_PWM)
+  #include "../ServoTimers.h"   // Needed to check timer availability (_useTimer3)
   #if SPINDLE_LASER_PWM_PIN == 4 || WITHIN(SPINDLE_LASER_PWM_PIN, 11, 13)
     #error "Counter/Timer for SPINDLE_LASER_PWM_PIN is used by a system interrupt."
-  #elif NUM_SERVOS > 0 && (WITHIN(SPINDLE_LASER_PWM_PIN, 2, 3) || SPINDLE_LASER_PWM_PIN == 5)
+  #elif NUM_SERVOS > 0 && defined(_useTimer3) && (WITHIN(SPINDLE_LASER_PWM_PIN, 2, 3) || SPINDLE_LASER_PWM_PIN == 5)
     #error "Counter/Timer for SPINDLE_LASER_PWM_PIN is used by the servo system."
   #endif
+#elif defined(SPINDLE_LASER_FREQUENCY)
+  #error "SPINDLE_LASER_FREQUENCY requires SPINDLE_LASER_PWM."
 #endif
 
 /**
  * The Trinamic library includes SoftwareSerial.h, leading to a compile error.
  */
-#if HAS_TRINAMIC_CONFIG && ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
+#if BOTH(HAS_TRINAMIC_CONFIG, ENDSTOP_INTERRUPTS_FEATURE)
   #error "TMCStepper includes SoftwareSerial.h which is incompatible with ENDSTOP_INTERRUPTS_FEATURE. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
 #endif
 
-#if HAS_TMC_SW_SERIAL && ENABLED(MONITOR_DRIVER_STATUS)
+#if BOTH(HAS_TMC_SW_SERIAL, MONITOR_DRIVER_STATUS)
   #error "MONITOR_DRIVER_STATUS causes performance issues when used with SoftwareSerial-connected drivers. Disable MONITOR_DRIVER_STATUS or use hardware serial to continue."
 #endif

Marlin/src/HAL/AVR/math.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/AVR/pinsDebug.h

@@ -13,7 +13,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -26,7 +26,9 @@
 
 #define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS
 
-#define AVR_ATmega2560_FAMILY_PLUS_70 MB(BQ_ZUM_MEGA_3D, MIGHTYBOARD_REVE, MINIRAMBO, SCOOVO_X9H)
+#if MB(BQ_ZUM_MEGA_3D, MIGHTYBOARD_REVE, MINIRAMBO, SCOOVO_X9H, TRIGORILLA_14)
+  #define AVR_ATmega2560_FAMILY_PLUS_70 1
+#endif
 
 #if AVR_AT90USB1286_FAMILY
 

Marlin/src/HAL/AVR/pinsDebug_Teensyduino.h

@@ -13,7 +13,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/AVR/pinsDebug_plus_70.h

@@ -13,7 +13,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -22,15 +22,12 @@
  * Structures for 2560 family boards that use more than 70 pins
  */
 
-#undef NUM_DIGITAL_PINS
-#if MB(BQ_ZUM_MEGA_3D)
+#if MB(BQ_ZUM_MEGA_3D, MINIRAMBO, SCOOVO_X9H, TRIGORILLA_14)
+  #undef NUM_DIGITAL_PINS
   #define NUM_DIGITAL_PINS            85
 #elif MB(MIGHTYBOARD_REVE)
+  #undef NUM_DIGITAL_PINS
   #define NUM_DIGITAL_PINS            80
-#elif MB(MINIRAMBO)
-  #define NUM_DIGITAL_PINS            85
-#elif MB(SCOOVO_X9H)
-  #define NUM_DIGITAL_PINS            85
 #endif
 
 #define PA 1

Marlin/src/HAL/AVR/spi_pins.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/AVR/timers.h

@@ -0,0 +1,260 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <stdint.h>
+
+// ------------------------
+// Types
+// ------------------------
+
+typedef uint16_t hal_timer_t;
+#define HAL_TIMER_TYPE_MAX 0xFFFF
+
+// ------------------------
+// Defines
+// ------------------------
+
+#define HAL_TIMER_RATE          ((F_CPU) / 8)    // i.e., 2MHz or 2.5MHz
+
+#ifndef STEP_TIMER_NUM
+  #define STEP_TIMER_NUM        1
+#endif
+#ifndef PULSE_TIMER_NUM
+  #define PULSE_TIMER_NUM       STEP_TIMER_NUM
+#endif
+#ifndef TEMP_TIMER_NUM
+  #define TEMP_TIMER_NUM        0
+#endif
+
+#define TEMP_TIMER_FREQUENCY    ((F_CPU) / 64.0 / 256.0)
+
+#define STEPPER_TIMER_RATE      HAL_TIMER_RATE
+#define STEPPER_TIMER_PRESCALE  8
+#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // Cannot be of type double
+
+#define PULSE_TIMER_RATE       STEPPER_TIMER_RATE   // frequency of pulse timer
+#define PULSE_TIMER_PRESCALE   STEPPER_TIMER_PRESCALE
+#define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
+
+#define ENABLE_STEPPER_DRIVER_INTERRUPT()  SBI(TIMSK1, OCIE1A)
+#define DISABLE_STEPPER_DRIVER_INTERRUPT() CBI(TIMSK1, OCIE1A)
+#define STEPPER_ISR_ENABLED()             TEST(TIMSK1, OCIE1A)
+
+#define ENABLE_TEMPERATURE_INTERRUPT()     SBI(TIMSK0, OCIE0B)
+#define DISABLE_TEMPERATURE_INTERRUPT()    CBI(TIMSK0, OCIE0B)
+#define TEMPERATURE_ISR_ENABLED()         TEST(TIMSK0, OCIE0B)
+
+FORCE_INLINE void HAL_timer_start(const uint8_t timer_num, const uint32_t) {
+  switch (timer_num) {
+    case STEP_TIMER_NUM:
+      // waveform generation = 0100 = CTC
+      SET_WGM(1, CTC_OCRnA);
+
+      // output mode = 00 (disconnected)
+      SET_COMA(1, NORMAL);
+
+      // Set the timer pre-scaler
+      // Generally we use a divider of 8, resulting in a 2MHz timer
+      // frequency on a 16MHz MCU. If you are going to change this, be
+      // sure to regenerate speed_lookuptable.h with
+      // create_speed_lookuptable.py
+      SET_CS(1, PRESCALER_8);  //  CS 2 = 1/8 prescaler
+
+      // Init Stepper ISR to 122 Hz for quick starting
+      // (F_CPU) / (STEPPER_TIMER_PRESCALE) / frequency
+      OCR1A = 0x4000;
+      TCNT1 = 0;
+      break;
+
+    case TEMP_TIMER_NUM:
+      // Use timer0 for temperature measurement
+      // Interleave temperature interrupt with millies interrupt
+      OCR0B = 128;
+      break;
+  }
+}
+
+#define TIMER_OCR_1             OCR1A
+#define TIMER_COUNTER_1         TCNT1
+
+#define TIMER_OCR_0             OCR0A
+#define TIMER_COUNTER_0         TCNT0
+
+#define _CAT(a,V...) a##V
+#define HAL_timer_set_compare(timer, compare) (_CAT(TIMER_OCR_, timer) = compare)
+#define HAL_timer_get_compare(timer) _CAT(TIMER_OCR_, timer)
+#define HAL_timer_get_count(timer) _CAT(TIMER_COUNTER_, timer)
+
+/**
+ * On AVR there is no hardware prioritization and preemption of
+ * interrupts, so this emulates it. The UART has first priority
+ * (otherwise, characters will be lost due to UART overflow).
+ * Then: Stepper, Endstops, Temperature, and -finally- all others.
+ */
+#define HAL_timer_isr_prologue(TIMER_NUM)
+#define HAL_timer_isr_epilogue(TIMER_NUM)
+
+/* 18 cycles maximum latency */
+#ifndef HAL_STEP_TIMER_ISR
+
+#define HAL_STEP_TIMER_ISR() \
+extern "C" void TIMER1_COMPA_vect() __attribute__ ((signal, naked, used, externally_visible)); \
+extern "C" void TIMER1_COMPA_vect_bottom() asm ("TIMER1_COMPA_vect_bottom") __attribute__ ((used, externally_visible, noinline)); \
+void TIMER1_COMPA_vect() { \
+  __asm__ __volatile__ ( \
+    A("push r16")                      /* 2 Save R16 */ \
+    A("in r16, __SREG__")              /* 1 Get SREG */ \
+    A("push r16")                      /* 2 Save SREG into stack */ \
+    A("lds r16, %[timsk0]")            /* 2 Load into R0 the Temperature timer Interrupt mask register */ \
+    A("push r16")                      /* 2 Save TIMSK0 into the stack */ \
+    A("andi r16,~%[msk0]")             /* 1 Disable the temperature ISR */ \
+    A("sts %[timsk0], r16")            /* 2 And set the new value */ \
+    A("lds r16, %[timsk1]")            /* 2 Load into R0 the stepper timer Interrupt mask register [TIMSK1] */ \
+    A("andi r16,~%[msk1]")             /* 1 Disable the stepper ISR */ \
+    A("sts %[timsk1], r16")            /* 2 And set the new value */ \
+    A("push r16")                      /* 2 Save TIMSK1 into stack */ \
+    A("in r16, 0x3B")                  /* 1 Get RAMPZ register */ \
+    A("push r16")                      /* 2 Save RAMPZ into stack */ \
+    A("in r16, 0x3C")                  /* 1 Get EIND register */ \
+    A("push r0")                       /* C runtime can modify all the following registers without restoring them */ \
+    A("push r1")                       \
+    A("push r18")                      \
+    A("push r19")                      \
+    A("push r20")                      \
+    A("push r21")                      \
+    A("push r22")                      \
+    A("push r23")                      \
+    A("push r24")                      \
+    A("push r25")                      \
+    A("push r26")                      \
+    A("push r27")                      \
+    A("push r30")                      \
+    A("push r31")                      \
+    A("clr r1")                        /* C runtime expects this register to be 0 */ \
+    A("call TIMER1_COMPA_vect_bottom") /* Call the bottom handler - No inlining allowed, otherwise registers used are not saved */   \
+    A("pop r31")                       \
+    A("pop r30")                       \
+    A("pop r27")                       \
+    A("pop r26")                       \
+    A("pop r25")                       \
+    A("pop r24")                       \
+    A("pop r23")                       \
+    A("pop r22")                       \
+    A("pop r21")                       \
+    A("pop r20")                       \
+    A("pop r19")                       \
+    A("pop r18")                       \
+    A("pop r1")                        \
+    A("pop r0")                        \
+    A("out 0x3C, r16")                 /* 1 Restore EIND register */ \
+    A("pop r16")                       /* 2 Get the original RAMPZ register value */ \
+    A("out 0x3B, r16")                 /* 1 Restore RAMPZ register to its original value */ \
+    A("pop r16")                       /* 2 Get the original TIMSK1 value but with stepper ISR disabled */ \
+    A("ori r16,%[msk1]")               /* 1 Reenable the stepper ISR */ \
+    A("cli")                           /* 1 Disable global interrupts - Reenabling Stepper ISR can reenter amd temperature can reenter, and we want that, if it happens, after this ISR has ended */ \
+    A("sts %[timsk1], r16")            /* 2 And restore the old value - This reenables the stepper ISR */ \
+    A("pop r16")                       /* 2 Get the temperature timer Interrupt mask register [TIMSK0] */ \
+    A("sts %[timsk0], r16")            /* 2 And restore the old value - This reenables the temperature ISR */ \
+    A("pop r16")                       /* 2 Get the old SREG value */ \
+    A("out __SREG__, r16")             /* 1 And restore the SREG value */ \
+    A("pop r16")                       /* 2 Restore R16 value */ \
+    A("reti")                          /* 4 Return from interrupt */ \
+    :                                   \
+    : [timsk0] "i" ((uint16_t)&TIMSK0), \
+      [timsk1] "i" ((uint16_t)&TIMSK1), \
+      [msk0] "M" ((uint8_t)(1<<OCIE0B)),\
+      [msk1] "M" ((uint8_t)(1<<OCIE1A)) \
+    : \
+  ); \
+} \
+void TIMER1_COMPA_vect_bottom()
+
+#endif // HAL_STEP_TIMER_ISR
+
+#ifndef HAL_TEMP_TIMER_ISR
+
+/* 14 cycles maximum latency */
+#define HAL_TEMP_TIMER_ISR() \
+extern "C" void TIMER0_COMPB_vect() __attribute__ ((signal, naked, used, externally_visible)); \
+extern "C" void TIMER0_COMPB_vect_bottom()  asm ("TIMER0_COMPB_vect_bottom") __attribute__ ((used, externally_visible, noinline)); \
+void TIMER0_COMPB_vect() { \
+  __asm__ __volatile__ ( \
+    A("push r16")                       /* 2 Save R16 */ \
+    A("in r16, __SREG__")               /* 1 Get SREG */ \
+    A("push r16")                       /* 2 Save SREG into stack */ \
+    A("lds r16, %[timsk0]")             /* 2 Load into R0 the Temperature timer Interrupt mask register */ \
+    A("andi r16,~%[msk0]")              /* 1 Disable the temperature ISR */ \
+    A("sts %[timsk0], r16")             /* 2 And set the new value */ \
+    A("sei")                            /* 1 Enable global interrupts - It is safe, as the temperature ISR is disabled, so we cannot reenter it */    \
+    A("push r16")                       /* 2 Save TIMSK0 into stack */ \
+    A("in r16, 0x3B")                   /* 1 Get RAMPZ register */ \
+    A("push r16")                       /* 2 Save RAMPZ into stack */ \
+    A("in r16, 0x3C")                   /* 1 Get EIND register */ \
+    A("push r0")                        /* C runtime can modify all the following registers without restoring them */ \
+    A("push r1")                        \
+    A("push r18")                       \
+    A("push r19")                       \
+    A("push r20")                       \
+    A("push r21")                       \
+    A("push r22")                       \
+    A("push r23")                       \
+    A("push r24")                       \
+    A("push r25")                       \
+    A("push r26")                       \
+    A("push r27")                       \
+    A("push r30")                       \
+    A("push r31")                       \
+    A("clr r1")                         /* C runtime expects this register to be 0 */ \
+    A("call TIMER0_COMPB_vect_bottom")  /* Call the bottom handler - No inlining allowed, otherwise registers used are not saved */   \
+    A("pop r31")                        \
+    A("pop r30")                        \
+    A("pop r27")                        \
+    A("pop r26")                        \
+    A("pop r25")                        \
+    A("pop r24")                        \
+    A("pop r23")                        \
+    A("pop r22")                        \
+    A("pop r21")                        \
+    A("pop r20")                        \
+    A("pop r19")                        \
+    A("pop r18")                        \
+    A("pop r1")                         \
+    A("pop r0")                         \
+    A("out 0x3C, r16")                  /* 1 Restore EIND register */ \
+    A("pop r16")                        /* 2 Get the original RAMPZ register value */ \
+    A("out 0x3B, r16")                  /* 1 Restore RAMPZ register to its original value */ \
+    A("pop r16")                        /* 2 Get the original TIMSK0 value but with temperature ISR disabled */ \
+    A("ori r16,%[msk0]")                /* 1 Enable temperature ISR */ \
+    A("cli")                            /* 1 Disable global interrupts - We must do this, as we will reenable the temperature ISR, and we don't want to reenter this handler until the current one is done */ \
+    A("sts %[timsk0], r16")             /* 2 And restore the old value */ \
+    A("pop r16")                        /* 2 Get the old SREG */ \
+    A("out __SREG__, r16")              /* 1 And restore the SREG value */ \
+    A("pop r16")                        /* 2 Restore R16 */ \
+    A("reti")                           /* 4 Return from interrupt */ \
+    :                                   \
+    : [timsk0] "i"((uint16_t)&TIMSK0),  \
+      [msk0] "M" ((uint8_t)(1<<OCIE0B)) \
+    : \
+  ); \
+} \
+void TIMER0_COMPB_vect_bottom()
+
+#endif // HAL_TEMP_TIMER_ISR

Marlin/src/HAL/AVR/u8g_com_HAL_AVR_sw_spi.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -57,7 +57,7 @@
 
 #include "../../inc/MarlinConfigPre.h"
 
-#if HAS_GRAPHICAL_LCD
+#if HAS_MARLINUI_U8GLIB
 
 #include "../shared/Marduino.h"
 #include "../shared/Delay.h"
@@ -189,5 +189,5 @@ uint8_t u8g_com_HAL_AVR_sw_sp_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void
   return 1;
 }
 
-#endif // HAS_GRAPHICAL_LCD
+#endif // HAS_MARLINUI_U8GLIB
 #endif // ARDUINO_ARCH_SAM

Marlin/src/HAL/AVR/watchdog.cpp

@@ -16,10 +16,9 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
-
 #ifdef __AVR__
 
 #include "../../inc/MarlinConfig.h"

Marlin/src/HAL/AVR/watchdog.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/DUE/DebugMonitor.cpp

@@ -16,10 +16,9 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
-
 #ifdef ARDUINO_ARCH_SAM
 
 #include "../../core/macros.h"

Marlin/src/HAL/DUE/HAL.cpp

@@ -14,13 +14,12 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
  */
 
 /**
- * Description: HAL for Arduino Due and compatible (SAM3X8E)
- *
- * For ARDUINO_ARCH_SAM
+ * HAL for Arduino Due and compatible (SAM3X8E)
  */
 
 #ifdef ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/HAL.h

@@ -16,81 +16,56 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
 
 /**
- * Description: HAL for Arduino Due and compatible (SAM3X8E)
- *
- * For ARDUINO_ARCH_SAM
+ * HAL for Arduino Due and compatible (SAM3X8E)
  */
 
 #define CPU_32_BIT
 
 #include "../shared/Marduino.h"
+#include "../shared/eeprom_if.h"
 #include "../shared/math_32bit.h"
 #include "../shared/HAL_SPI.h"
 #include "fastio.h"
 #include "watchdog.h"
-#include "timers.h"
 
 #include <stdint.h>
 
+#define _MSERIAL(X) Serial##X
+#define MSERIAL(X) _MSERIAL(X)
+#define Serial0 Serial
+
 // Define MYSERIAL0/1 before MarlinSerial includes!
 #if SERIAL_PORT == -1 || ENABLED(EMERGENCY_PARSER)
   #define MYSERIAL0 customizedSerial1
-#elif SERIAL_PORT == 0
-  #define MYSERIAL0 Serial
-#elif SERIAL_PORT == 1
-  #define MYSERIAL0 Serial1
-#elif SERIAL_PORT == 2
-  #define MYSERIAL0 Serial2
-#elif SERIAL_PORT == 3
-  #define MYSERIAL0 Serial3
+#elif WITHIN(SERIAL_PORT, 0, 3)
+  #define MYSERIAL0 MSERIAL(SERIAL_PORT)
 #else
   #error "The required SERIAL_PORT must be from -1 to 3. Please update your configuration."
 #endif
 
 #ifdef SERIAL_PORT_2
-  #if SERIAL_PORT_2 == SERIAL_PORT
-    #error "SERIAL_PORT_2 must be different from SERIAL_PORT. Please update your configuration."
-  #elif SERIAL_PORT_2 == -1 || ENABLED(EMERGENCY_PARSER)
+  #if SERIAL_PORT_2 == -1 || ENABLED(EMERGENCY_PARSER)
     #define MYSERIAL1 customizedSerial2
-  #elif SERIAL_PORT_2 == 0
-    #define MYSERIAL1 Serial
-  #elif SERIAL_PORT_2 == 1
-    #define MYSERIAL1 Serial1
-  #elif SERIAL_PORT_2 == 2
-    #define MYSERIAL1 Serial2
-  #elif SERIAL_PORT_2 == 3
-    #define MYSERIAL1 Serial3
+  #elif WITHIN(SERIAL_PORT_2, 0, 3)
+    #define MYSERIAL1 MSERIAL(SERIAL_PORT_2)
   #else
     #error "SERIAL_PORT_2 must be from -1 to 3. Please update your configuration."
   #endif
-  #define NUM_SERIAL 2
-#else
-  #define NUM_SERIAL 1
 #endif
 
-#ifdef DGUS_SERIAL_PORT
-  #if DGUS_SERIAL_PORT == SERIAL_PORT
-    #error "DGUS_SERIAL_PORT must be different from SERIAL_PORT. Please update your configuration."
-  #elif defined(SERIAL_PORT_2) && DGUS_SERIAL_PORT == SERIAL_PORT_2
-    #error "DGUS_SERIAL_PORT must be different than SERIAL_PORT_2. Please update your configuration."
-  #elif DGUS_SERIAL_PORT == -1
-    #define DGUS_SERIAL internalDgusSerial
-  #elif DGUS_SERIAL_PORT == 0
-    #define DGUS_SERIAL Serial
-  #elif DGUS_SERIAL_PORT == 1
-    #define DGUS_SERIAL Serial1
-  #elif DGUS_SERIAL_PORT == 2
-    #define DGUS_SERIAL Serial2
-  #elif DGUS_SERIAL_PORT == 3
-    #define DGUS_SERIAL Serial3
+#ifdef LCD_SERIAL_PORT
+  #if LCD_SERIAL_PORT == -1
+    #define LCD_SERIAL lcdSerial
+  #elif WITHIN(LCD_SERIAL_PORT, 0, 3)
+    #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
   #else
-    #error "DGUS_SERIAL_PORT must be from -1 to 3. Please update your configuration."
+    #error "LCD_SERIAL_PORT must be from -1 to 3. Please update your configuration."
   #endif
 #endif
 
@@ -130,13 +105,7 @@ void sei();                     // Enable interrupts
 void HAL_clear_reset_source();  // clear reset reason
 uint8_t HAL_get_reset_source(); // get reset reason
 
-//
-// EEPROM
-//
-void eeprom_write_byte(uint8_t *pos, unsigned char value);
-uint8_t eeprom_read_byte(uint8_t *pos);
-void eeprom_read_block (void *__dst, const void *__src, size_t __n);
-void eeprom_update_block (const void *__src, void *__dst, size_t __n);
+inline void HAL_reboot() {}  // reboot the board or restart the bootloader
 
 //
 // ADC
@@ -144,15 +113,16 @@ void eeprom_update_block (const void *__src, void *__dst, size_t __n);
 extern uint16_t HAL_adc_result;     // result of last ADC conversion
 
 #ifndef analogInputToDigitalPin
-  #define analogInputToDigitalPin(p) ((p < 12u) ? (p) + 54u : -1)
+  #define analogInputToDigitalPin(p) ((p < 12U) ? (p) + 54U : -1)
 #endif
 
 #define HAL_ANALOG_SELECT(ch)
 
 inline void HAL_adc_init() {}//todo
 
-#define HAL_START_ADC(ch)   HAL_adc_start_conversion(ch)
+#define HAL_ADC_VREF         3.3
 #define HAL_ADC_RESOLUTION  10
+#define HAL_START_ADC(ch)   HAL_adc_start_conversion(ch)
 #define HAL_READ_ADC()      HAL_adc_result
 #define HAL_ADC_READY()     true
 

Marlin/src/HAL/DUE/HAL_SPI.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -30,7 +30,7 @@
  */
 
 /**
- * Description: HAL for Arduino Due and compatible (SAM3X8E)
+ * HAL for Arduino Due and compatible (SAM3X8E)
  *
  * For ARDUINO_ARCH_SAM
  */
@@ -595,7 +595,7 @@
       SPI_Enable(SPI0);
 
       SET_OUTPUT(DAC0_SYNC);
-      #if EXTRUDERS > 1
+      #if HAS_MULTI_EXTRUDER
         SET_OUTPUT(DAC1_SYNC);
         WRITE(DAC1_SYNC, HIGH);
       #endif
@@ -759,7 +759,6 @@
      *
      *  All of the above can be avoided by defining FORCE_SOFT_SPI to force the
      *  display to use software SPI.
-     *
      */
 
     void spiInit(uint8_t spiRate=6) {  // Default to slowest rate if not specified)

Marlin/src/HAL/DUE/InterruptVectors.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 

Marlin/src/HAL/DUE/InterruptVectors.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/DUE/MarlinSerial.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 

Marlin/src/HAL/DUE/MarlinSerial.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -122,6 +122,8 @@ public:
   static void write(const uint8_t c);
   static void flushTX();
 
+  static inline bool emergency_parser_enabled() { return Cfg::EMERGENCYPARSER; }
+
   FORCE_INLINE static uint8_t dropped() { return Cfg::DROPPED_RX ? rx_dropped_bytes : 0; }
   FORCE_INLINE static uint8_t buffer_overruns() { return Cfg::RX_OVERRUNS ? rx_buffer_overruns : 0; }
   FORCE_INLINE static uint8_t framing_errors() { return Cfg::RX_FRAMING_ERRORS ? rx_framing_errors : 0; }

Marlin/src/HAL/DUE/MarlinSerialUSB.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -73,9 +73,7 @@ int MarlinSerialUSB::peek() {
 
   pending_char = udi_cdc_getc();
 
-  #if ENABLED(EMERGENCY_PARSER)
-    emergency_parser.update(emergency_state, (char)pending_char);
-  #endif
+  TERN_(EMERGENCY_PARSER, emergency_parser.update(emergency_state, (char)pending_char));
 
   return pending_char;
 }
@@ -97,9 +95,7 @@ int MarlinSerialUSB::read() {
 
   int c = udi_cdc_getc();
 
-  #if ENABLED(EMERGENCY_PARSER)
-    emergency_parser.update(emergency_state, (char)c);
-  #endif
+  TERN_(EMERGENCY_PARSER, emergency_parser.update(emergency_state, (char)c));
 
   return c;
 }

Marlin/src/HAL/DUE/MarlinSerialUSB.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/DUE/Servo.cpp

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -44,7 +44,6 @@
 
 #if HAS_SERVOS
 
-#include "../shared/Marduino.h"
 #include "../shared/servo.h"
 #include "../shared/servo_private.h"
 

Marlin/src/HAL/DUE/Tone.cpp

@@ -18,20 +18,19 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
 /**
  * Description: Tone function for Arduino Due and compatible (SAM3X8E)
- * Derived from http://forum.arduino.cc/index.php?topic=136500.msg2903012#msg2903012
+ * Derived from https://forum.arduino.cc/index.php?topic=136500.msg2903012#msg2903012
  */
 
 #ifdef ARDUINO_ARCH_SAM
 
 #include "../../inc/MarlinConfig.h"
 #include "HAL.h"
-#include "timers.h"
 
 static pin_t tone_pin;
 volatile static int32_t toggles;

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -52,14 +52,13 @@
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
  */
 
 #ifdef __SAM3X8E__
 
 #include "../../../inc/MarlinConfigPre.h"
 
-#if HAS_GRAPHICAL_LCD
+#if HAS_MARLINUI_U8GLIB
 
 #include <U8glib.h>
 
@@ -145,6 +144,6 @@ uint8_t u8g_com_HAL_DUE_shared_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_va
   return 1;
 }
 
-#endif // HAS_GRAPHICAL_LCD
+#endif // HAS_MARLINUI_U8GLIB
 
-#endif //__SAM3X8E__
+#endif // __SAM3X8E__

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -57,7 +57,7 @@
 
 #include "../../../inc/MarlinConfigPre.h"
 
-#if HAS_GRAPHICAL_LCD && DISABLED(U8GLIB_ST7920)
+#if HAS_MARLINUI_U8GLIB && DISABLED(U8GLIB_ST7920)
 
 #undef SPI_SPEED
 #define SPI_SPEED 2  // About 2 MHz
@@ -144,5 +144,5 @@ uint8_t u8g_com_HAL_DUE_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void
   return 1;
 }
 
-#endif // HAS_GRAPHICAL_LCD && !U8GLIB_ST7920
+#endif // HAS_MARLINUI_U8GLIB && !U8GLIB_ST7920
 #endif // ARDUINO_ARCH_SAM

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -57,7 +57,7 @@
 
 #include "../../../inc/MarlinConfigPre.h"
 
-#if HAS_GRAPHICAL_LCD
+#if HAS_MARLINUI_U8GLIB
 
 #include "../../shared/Delay.h"
 
@@ -108,5 +108,5 @@ void u8g_spiSend_sw_DUE_mode_3(uint8_t val) { // 3.5MHz
   }
 }
 
-#endif // HAS_GRAPHICAL_LCD
+#endif // HAS_MARLINUI_U8GLIB
 #endif // ARDUINO_ARCH_SAM

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/DUE/eeprom_flash.cpp

@@ -1,9 +1,10 @@
 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
+ * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
+ * Copyright (c) 2016 Victor Perez victor_pv@hotmail.com
  *
  * 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
@@ -16,9 +17,14 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+#ifdef ARDUINO_ARCH_SAM
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(FLASH_EEPROM_EMULATION)
 
 /* EEPROM emulation over flash with reduced wear
  *
@@ -47,22 +53,14 @@
  * per page. We can't emulate EE endurance with FLASH for all
  * bytes, but we can emulate endurance for a given percent of
  * bytes.
- *
  */
 
-#ifdef ARDUINO_ARCH_SAM
-
-#include "../../inc/MarlinConfig.h"
-
-#if ENABLED(FLASH_EEPROM_EMULATION)
-
-#include "../shared/Marduino.h"
-#include "../shared/eeprom_api.h"
+//#define EE_EMU_DEBUG
 
 #define EEPROMSize     4096
 #define PagesPerGroup   128
 #define GroupCount        2
-#define PageSize        256u
+#define PageSize        256U
 
  /* Flash storage */
 typedef struct FLASH_SECTOR {
@@ -134,15 +132,18 @@ static uint8_t buffer[256] = {0},   // The RAM buffer to accumulate writes
                curPage = 0,         // Current FLASH page inside the group
                curGroup = 0xFF;     // Current FLASH group
 
-//#define EE_EMU_DEBUG
-#ifdef EE_EMU_DEBUG
-  static void ee_Dump(int page,const void* data) {
+#define DEBUG_OUT ENABLED(EE_EMU_DEBUG)
+#include "../../core/debug_out.h"
+
+static void ee_Dump(const int page, const void* data) {
+
+  #ifdef EE_EMU_DEBUG
 
     const uint8_t* c = (const uint8_t*) data;
     char buffer[80];
 
     sprintf_P(buffer, PSTR("Page: %d (0x%04x)\n"), page, page);
-    SERIAL_ECHO(buffer);
+    DEBUG_ECHO(buffer);
 
     char* p = &buffer[0];
     for (int i = 0; i< PageSize; ++i) {
@@ -152,12 +153,16 @@ static uint8_t buffer[256] = {0},   // The RAM buffer to accumulate writes
       if ((i & 0xF) == 0xF) {
         *p++ = '\n';
         *p = 0;
-        SERIAL_ECHO(buffer);
+        DEBUG_ECHO(buffer);
         p = &buffer[0];
       }
     }
-  }
-#endif
+
+  #else
+    UNUSED(page);
+    UNUSED(data);
+  #endif
+}
 
 /* Flash Writing Protection Key */
 #define FWP_KEY    0x5Au
@@ -170,17 +175,16 @@ static uint8_t buffer[256] = {0},   // The RAM buffer to accumulate writes
   #define EEFC_ERROR_FLAGS  (EEFC_FSR_FLOCKE | EEFC_FSR_FCMDE)
 #endif
 
-
 /**
  * Writes the contents of the specified page (no previous erase)
  * @param page    (page #)
  * @param data    (pointer to the data buffer)
  */
 __attribute__ ((long_call, section (".ramfunc")))
-static bool ee_PageWrite(uint16_t page,const void* data) {
+static bool ee_PageWrite(uint16_t page, const void* data) {
 
   uint16_t i;
-  uint32_t addrflash = ((uint32_t)getFlashStorage(page));
+  uint32_t addrflash = uint32_t(getFlashStorage(page));
 
   // Read the flash contents
   uint32_t pageContents[PageSize>>2];
@@ -195,13 +199,11 @@ static bool ee_PageWrite(uint16_t page,const void* data) {
   for (i = 0; i <PageSize >> 2; i++)
     pageContents[i] = (((uint32_t*)data)[i]) | (~(pageContents[i] ^ ((uint32_t*)data)[i]));
 
-  #ifdef EE_EMU_DEBUG
-    SERIAL_ECHO_START();
-    SERIAL_ECHOLNPAIR("EEPROM PageWrite   ", page);
-    SERIAL_ECHOLNPAIR(" in FLASH address ", (uint32_t)addrflash);
-    SERIAL_ECHOLNPAIR(" base address     ", (uint32_t)getFlashStorage(0));
-    SERIAL_FLUSH();
-  #endif
+  DEBUG_ECHO_START();
+  DEBUG_ECHOLNPAIR("EEPROM PageWrite   ", page);
+  DEBUG_ECHOLNPAIR(" in FLASH address ", (uint32_t)addrflash);
+  DEBUG_ECHOLNPAIR(" base address     ", (uint32_t)getFlashStorage(0));
+  DEBUG_FLUSH();
 
   // Get the page relative to the start of the EFC controller, and the EFC controller to use
   Efc *efc;
@@ -243,10 +245,8 @@ static bool ee_PageWrite(uint16_t page,const void* data) {
     // Reenable interrupts
     __enable_irq();
 
-    #ifdef EE_EMU_DEBUG
-      SERIAL_ECHO_START();
-      SERIAL_ECHOLNPAIR("EEPROM Unlock failure for page ", page);
-    #endif
+    DEBUG_ECHO_START();
+    DEBUG_ECHOLNPAIR("EEPROM Unlock failure for page ", page);
     return false;
   }
 
@@ -270,10 +270,9 @@ static bool ee_PageWrite(uint16_t page,const void* data) {
     // Reenable interrupts
     __enable_irq();
 
-    #ifdef EE_EMU_DEBUG
-      SERIAL_ECHO_START();
-      SERIAL_ECHOLNPAIR("EEPROM Write failure for page ", page);
-    #endif
+    DEBUG_ECHO_START();
+    DEBUG_ECHOLNPAIR("EEPROM Write failure for page ", page);
+
     return false;
   }
 
@@ -287,11 +286,11 @@ static bool ee_PageWrite(uint16_t page,const void* data) {
   if (memcmp(getFlashStorage(page),data,PageSize)) {
 
     #ifdef EE_EMU_DEBUG
-      SERIAL_ECHO_START();
-      SERIAL_ECHOLNPAIR("EEPROM Verify Write failure for page ", page);
+      DEBUG_ECHO_START();
+      DEBUG_ECHOLNPAIR("EEPROM Verify Write failure for page ", page);
 
-      ee_Dump( page,(uint32_t *) addrflash);
-      ee_Dump(-page,data);
+      ee_Dump( page, (uint32_t *)addrflash);
+      ee_Dump(-page, data);
 
       // Calculate count of changed bits
       uint32_t* p1 = (uint32_t*)addrflash;
@@ -307,7 +306,7 @@ static bool ee_PageWrite(uint16_t page,const void* data) {
           }
         }
       }
-      SERIAL_ECHOLNPAIR("--> Differing bits: ", count);
+      DEBUG_ECHOLNPAIR("--> Differing bits: ", count);
     #endif
 
     return false;
@@ -324,15 +323,13 @@ __attribute__ ((long_call, section (".ramfunc")))
 static bool ee_PageErase(uint16_t page) {
 
   uint16_t i;
-  uint32_t addrflash = ((uint32_t)getFlashStorage(page));
+  uint32_t addrflash = uint32_t(getFlashStorage(page));
 
-  #ifdef EE_EMU_DEBUG
-    SERIAL_ECHO_START();
-    SERIAL_ECHOLNPAIR("EEPROM PageErase  ", page);
-    SERIAL_ECHOLNPAIR(" in FLASH address ", (uint32_t)addrflash);
-    SERIAL_ECHOLNPAIR(" base address     ", (uint32_t)getFlashStorage(0));
-    SERIAL_FLUSH();
-  #endif
+  DEBUG_ECHO_START();
+  DEBUG_ECHOLNPAIR("EEPROM PageErase  ", page);
+  DEBUG_ECHOLNPAIR(" in FLASH address ", (uint32_t)addrflash);
+  DEBUG_ECHOLNPAIR(" base address     ", (uint32_t)getFlashStorage(0));
+  DEBUG_FLUSH();
 
   // Get the page relative to the start of the EFC controller, and the EFC controller to use
   Efc *efc;
@@ -373,10 +370,9 @@ static bool ee_PageErase(uint16_t page) {
     // Reenable interrupts
     __enable_irq();
 
-    #ifdef EE_EMU_DEBUG
-      SERIAL_ECHO_START();
-      SERIAL_ECHOLNPAIR("EEPROM Unlock failure for page ",page);
-    #endif
+    DEBUG_ECHO_START();
+    DEBUG_ECHOLNPAIR("EEPROM Unlock failure for page ",page);
+
     return false;
   }
 
@@ -398,10 +394,9 @@ static bool ee_PageErase(uint16_t page) {
     // Reenable interrupts
     __enable_irq();
 
-    #ifdef EE_EMU_DEBUG
-      SERIAL_ECHO_START();
-      SERIAL_ECHOLNPAIR("EEPROM Erase failure for page ",page);
-    #endif
+    DEBUG_ECHO_START();
+    DEBUG_ECHOLNPAIR("EEPROM Erase failure for page ",page);
+
     return false;
   }
 
@@ -415,20 +410,17 @@ static bool ee_PageErase(uint16_t page) {
   uint32_t * aligned_src = (uint32_t *) addrflash;
   for (i = 0; i < PageSize >> 2; i++) {
     if (*aligned_src++ != 0xFFFFFFFF) {
-
-      #ifdef EE_EMU_DEBUG
-        SERIAL_ECHO_START();
-        SERIAL_ECHOLNPAIR("EEPROM Verify Erase failure for page ",page);
-
-        ee_Dump( page,(uint32_t *) addrflash);
-      #endif
+      DEBUG_ECHO_START();
+      DEBUG_ECHOLNPAIR("EEPROM Verify Erase failure for page ",page);
+      ee_Dump(page, (uint32_t *)addrflash);
       return false;
     }
   }
 
   return true;
 }
-static uint8_t ee_Read(uint32_t address, bool excludeRAMBuffer = false) {
+
+static uint8_t ee_Read(uint32_t address, bool excludeRAMBuffer=false) {
 
   uint32_t baddr;
   uint32_t blen;
@@ -511,7 +503,7 @@ static uint8_t ee_Read(uint32_t address, bool excludeRAMBuffer = false) {
   return 0xFF;
 }
 
-static uint32_t ee_GetAddrRange(uint32_t address, bool excludeRAMBuffer = false) {
+static uint32_t ee_GetAddrRange(uint32_t address, bool excludeRAMBuffer=false) {
   uint32_t baddr,
            blen,
            nextAddr = 0xFFFF,
@@ -603,7 +595,7 @@ static bool ee_IsPageClean(int page) {
   return true;
 }
 
-static bool ee_Flush(uint32_t overrideAddress = 0xFFFFFFFF, uint8_t overrideData = 0xFF) {
+static bool ee_Flush(uint32_t overrideAddress = 0xFFFFFFFF, uint8_t overrideData=0xFF) {
 
   // Check if RAM buffer has something to be written
   bool isEmpty = true;
@@ -929,11 +921,9 @@ static void ee_Init() {
   // If all groups seem to be used, default to first group
   if (curGroup >= GroupCount) curGroup = 0;
 
-  #ifdef EE_EMU_DEBUG
-    SERIAL_ECHO_START();
-    SERIAL_ECHOLNPAIR("EEPROM Current Group: ",curGroup);
-    SERIAL_FLUSH();
-  #endif
+  DEBUG_ECHO_START();
+  DEBUG_ECHOLNPAIR("EEPROM Current Group: ",curGroup);
+  DEBUG_FLUSH();
 
   // Now, validate that all the other group pages are empty
   for (int grp = 0; grp < GroupCount; grp++) {
@@ -941,11 +931,9 @@ static void ee_Init() {
 
     for (int page = 0; page < PagesPerGroup; page++) {
       if (!ee_IsPageClean(grp * PagesPerGroup + page)) {
-        #ifdef EE_EMU_DEBUG
-          SERIAL_ECHO_START();
-          SERIAL_ECHOLNPAIR("EEPROM Page ", page, " not clean on group ", grp);
-          SERIAL_FLUSH();
-        #endif
+        DEBUG_ECHO_START();
+        DEBUG_ECHOLNPAIR("EEPROM Page ", page, " not clean on group ", grp);
+        DEBUG_FLUSH();
         ee_PageErase(grp * PagesPerGroup + page);
       }
     }
@@ -955,66 +943,69 @@ static void ee_Init() {
   // and also validate that all the other ones are clean
   for (curPage = 0; curPage < PagesPerGroup; curPage++) {
     if (ee_IsPageClean(curGroup * PagesPerGroup + curPage)) {
-      #ifdef EE_EMU_DEBUG
-        ee_Dump(curGroup * PagesPerGroup + curPage, getFlashStorage(curGroup * PagesPerGroup + curPage));
-      #endif
+      ee_Dump(curGroup * PagesPerGroup + curPage, getFlashStorage(curGroup * PagesPerGroup + curPage));
       break;
     }
   }
 
-  #ifdef EE_EMU_DEBUG
-    SERIAL_ECHO_START();
-    SERIAL_ECHOLNPAIR("EEPROM Active page: ", curPage);
-    SERIAL_FLUSH();
-  #endif
+  DEBUG_ECHO_START();
+  DEBUG_ECHOLNPAIR("EEPROM Active page: ", curPage);
+  DEBUG_FLUSH();
 
   // Make sure the pages following the first clean one are also clean
   for (int page = curPage + 1; page < PagesPerGroup; page++) {
     if (!ee_IsPageClean(curGroup * PagesPerGroup + page)) {
-      #ifdef EE_EMU_DEBUG
-        SERIAL_ECHO_START();
-        SERIAL_ECHOLNPAIR("EEPROM Page ", page, " not clean on active group ", curGroup);
-        SERIAL_FLUSH();
-        ee_Dump(curGroup * PagesPerGroup + page, getFlashStorage(curGroup * PagesPerGroup + page));
-      #endif
+      DEBUG_ECHO_START();
+      DEBUG_ECHOLNPAIR("EEPROM Page ", page, " not clean on active group ", curGroup);
+      DEBUG_FLUSH();
+      ee_Dump(curGroup * PagesPerGroup + page, getFlashStorage(curGroup * PagesPerGroup + page));
       ee_PageErase(curGroup * PagesPerGroup + page);
     }
   }
 }
 
-uint8_t eeprom_read_byte(uint8_t* addr) {
-  ee_Init();
-  return ee_Read((uint32_t)addr);
-}
+/* PersistentStore -----------------------------------------------------------*/
 
-void eeprom_write_byte(uint8_t* addr, uint8_t value) {
-  ee_Init();
-  ee_Write((uint32_t)addr, value);
-}
+#include "../shared/eeprom_api.h"
 
-void eeprom_update_block(const void* __src, void* __dst, size_t __n) {
-  uint8_t* dst = (uint8_t*)__dst;
-  const uint8_t* src = (const uint8_t*)__src;
-  while (__n--) {
-    eeprom_write_byte(dst, *src);
-    ++dst;
-    ++src;
+#ifndef MARLIN_EEPROM_SIZE
+  #define MARLIN_EEPROM_SIZE 0x1000 // 4KB
+#endif
+size_t PersistentStore::capacity()    { return MARLIN_EEPROM_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) {
+  while (size--) {
+    uint8_t * const p = (uint8_t * const)pos;
+    uint8_t v = *value;
+    // EEPROM has only ~100,000 write cycles,
+    // so only write bytes that have changed!
+    if (v != ee_Read(uint32_t(p))) {
+      ee_Write(uint32_t(p), v);
+      delay(2);
+      if (ee_Read(uint32_t(p)) != v) {
+        SERIAL_ECHO_MSG(STR_ERR_EEPROM_WRITE);
+        return true;
+      }
+    }
+    crc16(crc, &v, 1);
+    pos++;
+    value++;
   }
+  return false;
 }
 
-void eeprom_read_block(void* __dst, const void* __src, size_t __n) {
-  uint8_t* dst = (uint8_t*)__dst;
-  uint8_t* src = (uint8_t*)__src;
-  while (__n--) {
-    *dst = eeprom_read_byte(src);
-    ++dst;
-    ++src;
-  }
-}
-
-void eeprom_flush() {
-  ee_Flush();
+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));
+    if (writing) *value = c;
+    crc16(crc, &c, 1);
+    pos++;
+    value++;
+  } while (--size);
+  return false;
 }
 
 #endif // FLASH_EEPROM_EMULATION
-#endif // ARDUINO_ARCH_AVR
+#endif // ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/eeprom_wired.cpp

@@ -17,32 +17,29 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #ifdef ARDUINO_ARCH_SAM
 
-#include "../../inc/MarlinConfigPre.h"
-
-#if ENABLED(EEPROM_SETTINGS)
-
 #include "../../inc/MarlinConfig.h"
+
+#if USE_WIRED_EEPROM
+
+/**
+ * PersistentStore for Arduino-style EEPROM interface
+ * with simple implementations supplied by Marlin.
+ */
+
+#include "../shared/eeprom_if.h"
 #include "../shared/eeprom_api.h"
 
-#if !defined(E2END) && ENABLED(FLASH_EEPROM_EMULATION)
-  #define E2END 0xFFF // Default to Flash emulated EEPROM size (EepromEmulation_Due.cpp)
+#ifndef MARLIN_EEPROM_SIZE
+  #error "MARLIN_EEPROM_SIZE is required for I2C / SPI EEPROM."
 #endif
-
-extern void eeprom_flush();
-
-bool PersistentStore::access_start() { return true; }
-
-bool PersistentStore::access_finish() {
-  #if ENABLED(FLASH_EEPROM_EMULATION)
-    eeprom_flush();
-  #endif
-  return true;
-}
+size_t PersistentStore::capacity()    { return MARLIN_EEPROM_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) {
   while (size--) {
@@ -61,7 +58,7 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui
     crc16(crc, &v, 1);
     pos++;
     value++;
-  };
+  }
   return false;
 }
 
@@ -76,7 +73,5 @@ bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t
   return false;
 }
 
-size_t PersistentStore::capacity() { return E2END + 1; }
-
-#endif // EEPROM_SETTINGS
+#endif // USE_WIRED_EEPROM
 #endif // ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/endstop_interrupts.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -47,43 +47,21 @@ void endstop_ISR() { endstops.update(); }
 
 void setup_endstop_interrupts() {
   #define _ATTACH(P) attachInterrupt(digitalPinToInterrupt(P), endstop_ISR, CHANGE)
-  #if HAS_X_MAX
-    _ATTACH(X_MAX_PIN);
-  #endif
-  #if HAS_X_MIN
-    _ATTACH(X_MIN_PIN);
-  #endif
-  #if HAS_Y_MAX
-    _ATTACH(Y_MAX_PIN);
-  #endif
-  #if HAS_Y_MIN
-    _ATTACH(Y_MIN_PIN);
-  #endif
-  #if HAS_Z_MAX
-    _ATTACH(Z_MAX_PIN);
-  #endif
-  #if HAS_Z_MIN
-     _ATTACH(Z_MIN_PIN);
-  #endif
-  #if HAS_Z2_MAX
-    _ATTACH(Z2_MAX_PIN);
-  #endif
-  #if HAS_Z2_MIN
-    _ATTACH(Z2_MIN_PIN);
-  #endif
-  #if HAS_Z3_MAX
-    _ATTACH(Z3_MAX_PIN);
-  #endif
-  #if HAS_Z3_MIN
-    _ATTACH(Z3_MIN_PIN);
-  #endif
-  #if HAS_Z4_MAX
-    _ATTACH(Z4_MAX_PIN);
-  #endif
-  #if HAS_Z4_MIN
-    _ATTACH(Z4_MIN_PIN);
-  #endif
-  #if HAS_Z_MIN_PROBE_PIN
-    _ATTACH(Z_MIN_PROBE_PIN);
-  #endif
+  TERN_(HAS_X_MAX, _ATTACH(X_MAX_PIN));
+  TERN_(HAS_X_MIN, _ATTACH(X_MIN_PIN));
+  TERN_(HAS_Y_MAX, _ATTACH(Y_MAX_PIN));
+  TERN_(HAS_Y_MIN, _ATTACH(Y_MIN_PIN));
+  TERN_(HAS_Z_MAX, _ATTACH(Z_MAX_PIN));
+  TERN_(HAS_Z_MIN, _ATTACH(Z_MIN_PIN));
+  TERN_(HAS_X2_MAX, _ATTACH(X2_MAX_PIN));
+  TERN_(HAS_X2_MIN, _ATTACH(X2_MIN_PIN));
+  TERN_(HAS_Y2_MAX, _ATTACH(Y2_MAX_PIN));
+  TERN_(HAS_Y2_MIN, _ATTACH(Y2_MIN_PIN));
+  TERN_(HAS_Z2_MAX, _ATTACH(Z2_MAX_PIN));
+  TERN_(HAS_Z2_MIN, _ATTACH(Z2_MIN_PIN));
+  TERN_(HAS_Z3_MAX, _ATTACH(Z3_MAX_PIN));
+  TERN_(HAS_Z3_MIN, _ATTACH(Z3_MIN_PIN));
+  TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN));
+  TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN));
+  TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN));
 }

Marlin/src/HAL/DUE/fastio.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -58,7 +58,7 @@
  *
  * Now you can simply SET_OUTPUT(STEP); WRITE(STEP, HIGH); WRITE(STEP, LOW);
  *
- * Why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
+ * Why double up on these macros? see https://gcc.gnu.org/onlinedocs/cpp/Stringification.html
  */
 
 // Read a pin
@@ -174,7 +174,7 @@
 #define IS_OUTPUT(IO)        ((digitalPinToPort(IO)->PIO_OSR & digitalPinToBitMask(IO)) != 0)
 
 // Shorthand
-#define OUT_WRITE(IO,V)       { SET_OUTPUT(IO); WRITE(IO,V); }
+#define OUT_WRITE(IO,V)      do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
 
 // digitalRead/Write wrappers
 #define extDigitalRead(IO)    digitalRead(IO)

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -154,7 +154,7 @@ void Stepper::digipot_init() {
   NVIC_SetPriority(PWM_IRQn, NVIC_EncodePriority(0, 10, 0));  // normal priority for PWM module (can stand some jitter on the Vref signals)
 }
 
-void Stepper::digipot_current(const uint8_t driver, const int16_t current) {
+void Stepper::set_digipot_current(const uint8_t driver, const int16_t current) {
 
   if (!(PWM->PWM_CH_NUM[0].PWM_CPRD == PWM_PERIOD_US)) digipot_init();  // Init PWM system if needed
 

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

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

@@ -16,7 +16,11 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
+
+#if HAS_SPI_TFT || HAS_FSMC_TFT
+  #error "Sorry! TFT displays are not available for HAL/DUE."
+#endif

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

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

@@ -16,13 +16,13 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
 
 #if USE_FALLBACK_EEPROM
-  #undef SRAM_EEPROM_EMULATION
-  #undef SDCARD_EEPROM_EMULATION
   #define FLASH_EEPROM_EMULATION
+#elif EITHER(I2C_EEPROM, SPI_EEPROM)
+  #define USE_SHARED_EEPROM 1
 #endif

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

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
@@ -52,8 +52,8 @@
   #endif
 #endif
 
-#if ENABLED(FAST_PWM_FAN)
-  #error "FAST_PWM_FAN is not yet implemented for this platform."
+#if ENABLED(FAST_PWM_FAN) || SPINDLE_LASER_FREQUENCY
+  #error "Features requiring Hardware PWM (FAST_PWM_FAN, SPINDLE_LASER_FREQUENCY) are not yet supported on DUE."
 #endif
 
 #if HAS_TMC_SW_SERIAL

Marlin/src/HAL/DUE/pinsDebug.h

@@ -13,7 +13,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
@@ -179,5 +179,4 @@ void pwm_details(int32_t pin) {
  * ----------------+--------
  *  ID             |  PB11
  *  VBOF           |  PB10
- *
  */

Marlin/src/HAL/DUE/spi_pins.h

@@ -16,7 +16,7 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once

Marlin/src/HAL/DUE/timers.cpp

@@ -16,14 +16,12 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 
 /**
- * Description: HAL for Arduino Due and compatible (SAM3X8E)
- *
- * For ARDUINO_ARCH_SAM
+ * HAL Timers for Arduino Due and compatible (SAM3X8E)
  */
 
 #ifdef ARDUINO_ARCH_SAM
@@ -34,8 +32,6 @@
 #include "../../inc/MarlinConfig.h"
 #include "HAL.h"
 
-#include "timers.h"
-
 // ------------------------
 // Local defines
 // ------------------------

Marlin/src/HAL/DUE/timers.h

@@ -15,15 +15,13 @@
  * 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 <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once
 
 /**
- * HAL for Arduino Due and compatible (SAM3X8E)
- *
- * For ARDUINO_ARCH_SAM
+ * HAL Timers for Arduino Due and compatible (SAM3X8E)
  */
 
 #include <stdint.h>
@@ -40,11 +38,17 @@ typedef uint32_t hal_timer_t;
 #define HAL_TIMER_RATE         ((F_CPU) / 2)    // frequency of timers peripherals
 
 #ifndef STEP_TIMER_NUM
-#define STEP_TIMER_NUM 2  // index of timer to use for stepper
+  #define STEP_TIMER_NUM        2  // Timer Index for Stepper
+#endif
+#ifndef PULSE_TIMER_NUM
+  #define PULSE_TIMER_NUM       STEP_TIMER_NUM
+#endif
+#ifndef TEMP_TIMER_NUM
+  #define TEMP_TIMER_NUM        4  // Timer Index for Temperature
+#endif
+#ifndef TONE_TIMER_NUM
+  #define TONE_TIMER_NUM        6  // index of timer to use for beeper tones
 #endif
-#define TEMP_TIMER_NUM 4  // index of timer to use for temperature
-#define PULSE_TIMER_NUM STEP_TIMER_NUM
-#define TONE_TIMER_NUM 6  // index of timer to use for beeper tones
 
 #define TEMP_TIMER_FREQUENCY   1000 // temperature interrupt frequency
 
@@ -66,8 +70,12 @@ typedef uint32_t hal_timer_t;
 #ifndef HAL_STEP_TIMER_ISR
   #define HAL_STEP_TIMER_ISR() void TC2_Handler()
 #endif
-#define HAL_TEMP_TIMER_ISR()  void TC4_Handler()
-#define HAL_TONE_TIMER_ISR()  void TC6_Handler()
+#ifndef HAL_TEMP_TIMER_ISR
+  #define HAL_TEMP_TIMER_ISR() void TC4_Handler()
+#endif
+#ifndef HAL_TONE_TIMER_ISR
+  #define HAL_TONE_TIMER_ISR() void TC6_Handler()
+#endif
 
 // ------------------------
 // Types

Marlin/src/HAL/DUE/upload_extra_script.py

@@ -0,0 +1,18 @@
+#
+# Set upload_command
+#
+#  Windows: bossac.exe
+#  Other: leave unchanged
+#
+
+import platform
+current_OS = platform.system()
+
+if current_OS == 'Windows':
+
+	Import("env")
+
+	# Use bossac.exe on Windows
+	env.Replace(
+	    UPLOADCMD="bossac --info --unlock --write --verify --reset --erase -U false --boot $SOURCE"
+	)

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

@@ -43,7 +43,7 @@
 #pragma once
 
 /**
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 /**
@@ -93,5 +93,5 @@
 #define USB_VBOF_GPIO               (PIO_PB10_IDX)
 #define USB_VBOF_FLAGS              (PIO_PERIPH_A | PIO_DEFAULT)
 /*! Active level of the USB_VBOF output pin. */
-#define USB_VBOF_ACTIVE_LEVEL       LOW
+#define USB_VBOF_ACTIVE_STATE       LOW
 /* ------------------------------------------------------------------------ */

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef UTILS_COMPILER_H
@@ -173,11 +173,11 @@
 #   define __always_inline   __forceinline
 #elif (defined __GNUC__)
 #ifdef __always_inline
-#	undef __always_inline
+# undef __always_inline
 #endif
-#	define __always_inline   inline __attribute__((__always_inline__))
+# define __always_inline   inline __attribute__((__always_inline__))
 #elif (defined __ICCARM__)
-#	define __always_inline   _Pragma("inline=forced")
+# define __always_inline   _Pragma("inline=forced")
 #endif
 
 /**
@@ -188,11 +188,11 @@
  * heuristics and not inline the function.
  */
 #ifdef __CC_ARM
-#   define __no_inline   __attribute__((noinline))
+# define __no_inline   __attribute__((noinline))
 #elif (defined __GNUC__)
-#	define __no_inline   __attribute__((__noinline__))
+# define __no_inline   __attribute__((__noinline__))
 #elif (defined __ICCARM__)
-#	define __no_inline   _Pragma("inline=never")
+# define __no_inline   _Pragma("inline=never")
 #endif
 
 /*! \brief This macro is used to test fatal errors.
@@ -211,9 +211,9 @@
 #  else
 #undef TEST_SUITE_DEFINE_ASSERT_MACRO
 #    define Assert(expr) \
-	{\
-		if (!(expr)) while (true);\
-	}
+  {\
+    if (!(expr)) while (true);\
+  }
 #  endif
 #else
 #  define Assert(expr) ((void) 0)
@@ -609,37 +609,37 @@ typedef struct
 #   define clz(u)              ((u) ? __CLZ(u) : 32)
 #else
 #   define clz(u)              (((u) == 0)          ? 32 : \
-                                ((u) & (1ul << 31)) ?  0 : \
-                                ((u) & (1ul << 30)) ?  1 : \
-                                ((u) & (1ul << 29)) ?  2 : \
-                                ((u) & (1ul << 28)) ?  3 : \
-                                ((u) & (1ul << 27)) ?  4 : \
-                                ((u) & (1ul << 26)) ?  5 : \
-                                ((u) & (1ul << 25)) ?  6 : \
-                                ((u) & (1ul << 24)) ?  7 : \
-                                ((u) & (1ul << 23)) ?  8 : \
-                                ((u) & (1ul << 22)) ?  9 : \
-                                ((u) & (1ul << 21)) ? 10 : \
-                                ((u) & (1ul << 20)) ? 11 : \
-                                ((u) & (1ul << 19)) ? 12 : \
-                                ((u) & (1ul << 18)) ? 13 : \
-                                ((u) & (1ul << 17)) ? 14 : \
-                                ((u) & (1ul << 16)) ? 15 : \
-                                ((u) & (1ul << 15)) ? 16 : \
-                                ((u) & (1ul << 14)) ? 17 : \
-                                ((u) & (1ul << 13)) ? 18 : \
-                                ((u) & (1ul << 12)) ? 19 : \
-                                ((u) & (1ul << 11)) ? 20 : \
-                                ((u) & (1ul << 10)) ? 21 : \
-                                ((u) & (1ul <<  9)) ? 22 : \
-                                ((u) & (1ul <<  8)) ? 23 : \
-                                ((u) & (1ul <<  7)) ? 24 : \
-                                ((u) & (1ul <<  6)) ? 25 : \
-                                ((u) & (1ul <<  5)) ? 26 : \
-                                ((u) & (1ul <<  4)) ? 27 : \
-                                ((u) & (1ul <<  3)) ? 28 : \
-                                ((u) & (1ul <<  2)) ? 29 : \
-                                ((u) & (1ul <<  1)) ? 30 : \
+                                ((u) & (1UL << 31)) ?  0 : \
+                                ((u) & (1UL << 30)) ?  1 : \
+                                ((u) & (1UL << 29)) ?  2 : \
+                                ((u) & (1UL << 28)) ?  3 : \
+                                ((u) & (1UL << 27)) ?  4 : \
+                                ((u) & (1UL << 26)) ?  5 : \
+                                ((u) & (1UL << 25)) ?  6 : \
+                                ((u) & (1UL << 24)) ?  7 : \
+                                ((u) & (1UL << 23)) ?  8 : \
+                                ((u) & (1UL << 22)) ?  9 : \
+                                ((u) & (1UL << 21)) ? 10 : \
+                                ((u) & (1UL << 20)) ? 11 : \
+                                ((u) & (1UL << 19)) ? 12 : \
+                                ((u) & (1UL << 18)) ? 13 : \
+                                ((u) & (1UL << 17)) ? 14 : \
+                                ((u) & (1UL << 16)) ? 15 : \
+                                ((u) & (1UL << 15)) ? 16 : \
+                                ((u) & (1UL << 14)) ? 17 : \
+                                ((u) & (1UL << 13)) ? 18 : \
+                                ((u) & (1UL << 12)) ? 19 : \
+                                ((u) & (1UL << 11)) ? 20 : \
+                                ((u) & (1UL << 10)) ? 21 : \
+                                ((u) & (1UL <<  9)) ? 22 : \
+                                ((u) & (1UL <<  8)) ? 23 : \
+                                ((u) & (1UL <<  7)) ? 24 : \
+                                ((u) & (1UL <<  6)) ? 25 : \
+                                ((u) & (1UL <<  5)) ? 26 : \
+                                ((u) & (1UL <<  4)) ? 27 : \
+                                ((u) & (1UL <<  3)) ? 28 : \
+                                ((u) & (1UL <<  2)) ? 29 : \
+                                ((u) & (1UL <<  1)) ? 30 : \
                                 31)
 #endif
 #endif
@@ -654,38 +654,38 @@ typedef struct
 #if (defined __GNUC__) || (defined __CC_ARM)
 #   define ctz(u)              ((u) ? __builtin_ctz(u) : 32)
 #else
-#   define ctz(u)              ((u) & (1ul <<  0) ?  0 : \
-                                (u) & (1ul <<  1) ?  1 : \
-                                (u) & (1ul <<  2) ?  2 : \
-                                (u) & (1ul <<  3) ?  3 : \
-                                (u) & (1ul <<  4) ?  4 : \
-                                (u) & (1ul <<  5) ?  5 : \
-                                (u) & (1ul <<  6) ?  6 : \
-                                (u) & (1ul <<  7) ?  7 : \
-                                (u) & (1ul <<  8) ?  8 : \
-                                (u) & (1ul <<  9) ?  9 : \
-                                (u) & (1ul << 10) ? 10 : \
-                                (u) & (1ul << 11) ? 11 : \
-                                (u) & (1ul << 12) ? 12 : \
-                                (u) & (1ul << 13) ? 13 : \
-                                (u) & (1ul << 14) ? 14 : \
-                                (u) & (1ul << 15) ? 15 : \
-                                (u) & (1ul << 16) ? 16 : \
-                                (u) & (1ul << 17) ? 17 : \
-                                (u) & (1ul << 18) ? 18 : \
-                                (u) & (1ul << 19) ? 19 : \
-                                (u) & (1ul << 20) ? 20 : \
-                                (u) & (1ul << 21) ? 21 : \
-                                (u) & (1ul << 22) ? 22 : \
-                                (u) & (1ul << 23) ? 23 : \
-                                (u) & (1ul << 24) ? 24 : \
-                                (u) & (1ul << 25) ? 25 : \
-                                (u) & (1ul << 26) ? 26 : \
-                                (u) & (1ul << 27) ? 27 : \
-                                (u) & (1ul << 28) ? 28 : \
-                                (u) & (1ul << 29) ? 29 : \
-                                (u) & (1ul << 30) ? 30 : \
-                                (u) & (1ul << 31) ? 31 : \
+#   define ctz(u)              ((u) & (1UL <<  0) ?  0 : \
+                                (u) & (1UL <<  1) ?  1 : \
+                                (u) & (1UL <<  2) ?  2 : \
+                                (u) & (1UL <<  3) ?  3 : \
+                                (u) & (1UL <<  4) ?  4 : \
+                                (u) & (1UL <<  5) ?  5 : \
+                                (u) & (1UL <<  6) ?  6 : \
+                                (u) & (1UL <<  7) ?  7 : \
+                                (u) & (1UL <<  8) ?  8 : \
+                                (u) & (1UL <<  9) ?  9 : \
+                                (u) & (1UL << 10) ? 10 : \
+                                (u) & (1UL << 11) ? 11 : \
+                                (u) & (1UL << 12) ? 12 : \
+                                (u) & (1UL << 13) ? 13 : \
+                                (u) & (1UL << 14) ? 14 : \
+                                (u) & (1UL << 15) ? 15 : \
+                                (u) & (1UL << 16) ? 16 : \
+                                (u) & (1UL << 17) ? 17 : \
+                                (u) & (1UL << 18) ? 18 : \
+                                (u) & (1UL << 19) ? 19 : \
+                                (u) & (1UL << 20) ? 20 : \
+                                (u) & (1UL << 21) ? 21 : \
+                                (u) & (1UL << 22) ? 22 : \
+                                (u) & (1UL << 23) ? 23 : \
+                                (u) & (1UL << 24) ? 24 : \
+                                (u) & (1UL << 25) ? 25 : \
+                                (u) & (1UL << 26) ? 26 : \
+                                (u) & (1UL << 27) ? 27 : \
+                                (u) & (1UL << 28) ? 28 : \
+                                (u) & (1UL << 29) ? 29 : \
+                                (u) & (1UL << 30) ? 30 : \
+                                (u) & (1UL << 31) ? 31 : \
                                 32)
 #endif
 #endif
@@ -1106,17 +1106,16 @@ static inline uint16_t convert_byte_array_to_16_bit(uint8_t *data)
 /* Converts a 8 Byte array into a 32-Bit value */
 static inline uint32_t convert_byte_array_to_32_bit(uint8_t *data)
 {
-	union
-	{
-		uint32_t u32;
-		uint8_t u8[8];
-	}long_addr;
-	uint8_t index;
-	for (index = 0; index < 4; index++)
-	{
-		long_addr.u8[index] = *data++;
-	}
-	return long_addr.u32;
+  union
+  {
+    uint32_t u32;
+    uint8_t u8[8];
+  }long_addr;
+  uint8_t index;
+  for (index = 0; index < 4; index++) {
+    long_addr.u8[index] = *data++;
+  }
+  return long_addr.u32;
 }
 
 /**

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef _CONF_ACCESS_H_

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef CONF_CLOCK_H_INCLUDED

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef _CONF_USB_H_
@@ -78,10 +78,6 @@
 //! To define a Full speed device
 //#define USB_DEVICE_FULL_SPEED
 
-#if MB(ARCHIM1)
-  #define USB_DEVICE_FULL_SPEED
-#endif
-
 //! To authorize the High speed
 #ifndef USB_DEVICE_FULL_SPEED
   #if (UC3A3||UC3A4)

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

@@ -53,7 +53,7 @@
  *
  ******************************************************************************/
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifdef ARDUINO_ARCH_SAM

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

@@ -53,7 +53,7 @@
  *
  ******************************************************************************/
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef CHIP_GENCLK_H_INCLUDED

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef _MREPEAT_H_

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef CHIP_OSC_H_INCLUDED

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef CHIP_PLL_H_INCLUDED

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef _PREPROCESSOR_H_

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

@@ -52,7 +52,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 #ifndef _SBC_PROTOCOL_H_
 #define _SBC_PROTOCOL_H_

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

@@ -42,7 +42,7 @@
  *
  ******************************************************************************/
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 

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

@@ -45,7 +45,7 @@
  */
 
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 #ifndef _SPC_PROTOCOL_H_
 #define _SPC_PROTOCOL_H_

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

@@ -41,7 +41,7 @@
  *
  */
 /*
- * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ * Support and FAQ: visit <a href="https://www.atmel.com/design-support/">Atmel Support</a>
  */
 
 #ifndef _STRINGZ_H_