KAD Anycubic Mega Zero v1 and v2 unified configuration

- Supported printers:
  - Anycubic Mega Zero
  - Anycubic Mega Zero 2.0
- Supported boards:
  - Anycubic Melzi
  - BigTreeTech SKR mini MZ V1.0 / SKR mini E3 V2.0
  - BigTreeTech SKR E3 Turbo
- Leveling sensors:
  - BLTouch
  - BFPTouch
  - PINDA
  - Allenkey Probe
- PSU control with BTT Relay 1.2 or MKS PWC
- Fixed MAX Temp for bed (115) and hotend (245)
- Defaults for bed PID calibration from MZ 2.0
- Increase probing grid to 7x7
- Probing margin 10mm
- Enabled Subdivision of the grid by Catmull-Rom method (SKR boards)
- PLA bed preheat at 60C
- Use CR10_STOCKDISPLAY on all boards
- Use smaller Marlin logo
- Enabled M154 support

- Board specific changes:
    - Anycubic Melzi:
      - BLTouch/BFPTouch variants:
        - PIN27 + EXT-A2
        - PIN27 + Zmin
        - EXT-A2 + Zmin
      - Filament Sensors:
        - PIN27
        - EXT-A2
    - BigTreeTech SKR (all):
      - Enable M73 support
      - Display remaining time
      - Power Loss function tailored for UPS modules
      - Binary file transfers
      - ARC support
      - Advanced Pause + filament load/unload
    - BigTreeTech SKR E3 Turbo:
      - Dual extruder configs:
        - 2E: dual independant (Chimera)
        - 2to1: single nozzle, one filament at a time
        - 2mix: single mixing nozzle
      - UBL with BLTouch

Marlin/Version_kad.h

@@ -0,0 +1,78 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+////////////////////////////
+// VENDOR VERSION EXAMPLE //
+////////////////////////////
+
+/**
+ * Marlin release version identifier
+ */
+#define SHORT_BUILD_VERSION "2.0.8.1-kad1"
+
+/**
+ * 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
+
+/**
+ * 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 "2021-05-15"
+
+/**
+ * Defines a generic printer name to be output to the LCD after booting Marlin.
+ */
+//#define MACHINE_NAME "3D Printer"
+
+/**
+ * The SOURCE_CODE_URL is the location where users will find the Marlin Source
+ * Code which is installed on the device. In most cases —unless the manufacturer
+ * has a distinct Github fork— the Source Code URL should just be the main
+ * Marlin repository.
+ */
+//#define SOURCE_CODE_URL "github.com/MarlinFirmware/Marlin"
+#define SOURCE_CODE_URL "github.com/kad/Marlin"
+
+/**
+ * Default generic printer UUID.
+ */
+//#define DEFAULT_MACHINE_UUID "cede2a2f-41a2-4748-9b12-c55c62f367ff"
+
+/**
+ * The WEBSITE_URL is the location where users can get more information such as
+ * documentation about a specific Marlin release.
+ */
+//#define WEBSITE_URL "marlinfw.org"
+#define WEBSITE_URL "github.com/kad/Marlin/wiki"
+
+/**
+ * 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

Marlin/_Statusscreen.h

@@ -0,0 +1,89 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#pragma once
+
+//
+// Status Screen Logo bitmap
+//
+#if ENABLED(KAD_SKR_BED)
+  #define STATUS_LOGO_X 0
+#endif
+
+#if HOTENDS < 2
+#define STATUS_LOGO_WIDTH 48
+
+const unsigned char status_logo_bmp[] PROGMEM = {
+  B00000000,B00011101,B11000100,B00111111,B00000000,B00000000, // ...........###.###...#....######................
+  B00000000,B00001100,B10000110,B00011001,B10000000,B00000000, // ............##..#....##....##..##...............
+  B00000000,B00001101,B00001110,B00011001,B10000000,B00000000, // ............##.#....###....##..##...............
+  B00000000,B00001111,B00001011,B00011001,B10000000,B00000000, // ............####....#.##...##..##...............
+  B00000000,B00001101,B10011111,B00011001,B10000000,B00000000, // ............##.##..#####...##..##...............
+  B00000000,B00001101,B11010011,B10011001,B10000000,B00000000, // ............##.###.#..###..##..##...............
+  B00000000,B00011100,B11111011,B11111111,B00000000,B00000000, // ...........###..#####.##########................
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000, // ................................................
+  B00000000,B00000000,B00000000,B00000000,B00000000,B00000000, // ................................................
+  B11110011,B10000000,B00000000,B00011111,B10000000,B00000000, // ####..###..................######...............
+  B01110111,B00000000,B00000000,B00011001,B10000000,B00000000, // .###.###...................##..##...............
+  B01011011,B00011100,B11110110,B00010011,B00011101,B10101110, // .#.##.##...###..####.##....#..##...###.##.#.###.
+  B01011011,B00110101,B10101011,B00000110,B00110101,B11111011, // .#.##.##..##.#.##.#.#.##.....##...##.#.######.##
+  B01011011,B00111101,B10100111,B00001100,B10111101,B10011011, // .#.##.##..####.##.#..###....##..#.####.##..##.##
+  B01001011,B00110000,B11101011,B00011001,B10110001,B10011011, // .#..#.##..##....###.#.##...##..##.##...##..##.##
+  B11100011,B10011101,B10001110,B10011111,B10011101,B10001110, // ###...###..###.##...###.#..######..###.##...###.
+  B00000000,B00000001,B11100000,B00000000,B00000000,B00000000, // ...............####.............................
+  B00000000,B00000001,B00100000,B00000000,B00000000,B00000000, // ...............#..#.............................
+  B00000000,B00000001,B11100000,B00000000,B00000000,B00000000  // ...............####.............................
+};
+#else
+#define STATUS_LOGO_WIDTH 25
+
+const unsigned char status_logo_bmp[] PROGMEM = {
+  B01110111,B00010000,B11111100,B00000000, // .###.###...#....######..........
+  B00110010,B00011000,B01100110,B00000000, // ..##..#....##....##..##.........
+  B00110100,B00111000,B01100110,B00000000, // ..##.#....###....##..##.........
+  B00111100,B00101100,B01100110,B00000000, // ..####....#.##...##..##.........
+  B00110110,B01111100,B01100110,B00000000, // ..##.##..#####...##..##.........
+  B00110111,B01001110,B01100110,B00000000, // ..##.###.#..###..##..##.........
+  B01110011,B11101111,B11111100,B00000000, // .###..#####.##########..........
+  B00000000,B00000000,B00000000,B00000000, // ................................
+  B00000000,B00000000,B00000000,B00000000, // ................................
+  B00000000,B00000000,B00000000,B00000000, // ................................
+  B00000000,B00000000,B00000000,B00000000, // ................................
+  B11110011,B10000000,B00000000,B00000000, // ####..###.......................
+  B01110111,B00000000,B00000000,B00000000, // .###.###........................
+  B01011011,B00011100,B11110110,B00000000, // .#.##.##...###..####.##.........
+  B01011011,B00110101,B10101011,B00000000, // .#.##.##..##.#.##.#.#.##........
+  B01011011,B00111101,B10100111,B00000000, // .#.##.##..####.##.#..###........
+  B01001011,B00110000,B11101011,B00000000, // .#..#.##..##....###.#.##........
+  B11100011,B10011101,B10001110,B10000000, // ###...###..###.##...###.#.......
+  B00000000,B00000001,B11100000,B00000000, // ...............####.............
+  B00000000,B00000001,B00100000,B00000000, // ...............#..#.............
+  B00000000,B00000001,B11100000,B00000000, // ...............####.............
+  B00111111,B00000000,B00000000,B00000000, // ..######........................
+  B00110011,B00000000,B00000000,B00000000, // ..##..##........................
+  B00100110,B00111011,B01001110,B00000000, // ..#..##...###.##.#..###.........
+  B00001100,B01101011,B11011011,B00000000, // ....##...##.#.####.##.##........
+  B00011001,B01111011,B00011011,B00000000, // ...##..#.####.##...##.##........
+  B00110011,B01100011,B00011011,B00000000, // ..##..##.##...##...##.##........
+  B00111111,B00111011,B00001110,B00000000  // ..######..###.##....###.........
+};
+#endif

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

@@ -39,7 +39,7 @@
   #error "SERIAL_STATS_DROPPED_RX is not supported on the STM32F1 platform."
 #endif
 
-#if ENABLED(NEOPIXEL_LED)
+#if ENABLED(NEOPIXEL_LED) && DISABLED(KAD_SKR_MINI)
   #error "NEOPIXEL_LED (Adafruit NeoPixel) is not supported for HAL/STM32F1. Comment out this line to proceed at your own risk!"
 #endif
 

anycubic_mega_zero.ini

@@ -0,0 +1,191 @@
+############################################
+#                                          #
+#  KAD: Anycubic Mega Zero build variants  #
+#                                          #
+############################################
+#
+# Board: Melzi v0.0.2, PSU: 12 Volt
+#
+# Build targets:
+#
+# anycubic_mega_zero_melzi               Highly recommended configuration. Manual Mesh Bed Leveling
+# anycubic_mega_zero_melzi_minimal       Simple menus, no advanced bed leveling
+# anycubic_mega_zero_melzi_bl_zmin       Automatic bed leveling, BLTouch is connected to PIN27 (Servo) and Z min stop
+# anycubic_mega_zero_melzi_bl_a2         Automatic bed leveling, BLTouch is connected to PIN27 (Servo) and EXT-A2
+# anycubic_mega_zero_melzi_bl_zmin_sfs   Same as anycubic_mega_zero_bl_zmin, + BTT Smart filament sensor connected to EXT-A2
+# anycubic_mega_zero_melzi_bl_zmin_fs    Same as anycubic_mega_zero_bl_zmin, + simple filament runout sensort connected to EXT-2
+# anycubic_mega_zero_melzi_bed_bl_a2     Same as anycubic_mega_zero_bl_a2, + Heated Bed
+# anycubic_mega_zero_melzi_bed_bl_zmin   Same as anycubic_mega_zero_bl_zmin, + Heated Bed
+#
+
+#
+# Anycubic Mega Zero Melzi clone, standard config
+#
+[env:anycubic_mega_zero_melzi_minimal]
+platform      = atmelavr
+extends       = env:melzi
+upload_speed  = 115200
+build_flags   = ${common.build_flags} -DKAD_MELZI
+extra_scripts = ${env:melzi.extra_scripts}
+                pre:buildroot/share/PlatformIO/scripts/env-bin.py
+
+# Base optimized build with dynamic feature configurations
+[anycubic_mega_zero_melzi_dynamic]
+extends        = env:anycubic_mega_zero_melzi_minimal
+build_flags    = ${env:anycubic_mega_zero_melzi_minimal.build_flags}
+                 -fno-tree-scev-cprop -fno-split-wide-types
+                 -Wl,--relax -mcall-prologues -finline-limit=3 -ffast-math
+extra_scripts  = pre:buildroot/share/PlatformIO/scripts/kad_build_options.py
+                 ${env:anycubic_mega_zero_melzi_minimal.extra_scripts}
+
+#
+# Anycubic Mega Zero Melzi clone, standard config with Mesh Bed Leveling
+#
+[env:anycubic_mega_zero_melzi]
+extends       = anycubic_mega_zero_melzi_dynamic
+build_flags   = ${anycubic_mega_zero_melzi_dynamic.build_flags}
+                -DMESH_BED_LEVELING
+
+#
+# Anycubic Mega Zero Melzi clone, standard config with Mesh Bed Leveling
+#
+[env:anycubic_mega_zero_melzi_bed]
+extends       = anycubic_mega_zero_melzi_dynamic
+build_flags   = ${anycubic_mega_zero_melzi_dynamic.build_flags}
+                -DMESH_BED_LEVELING
+
+#
+# Anycubic Mega Zero Melzi clone, BLTouch config, PIN27 + EXT-A2 are used to connect probe
+#
+[env:anycubic_mega_zero_melzi_bl_a2]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, BLTouch config, PIN27 + ZMIN are used to connect probe
+#
+[env:anycubic_mega_zero_melzi_bl_zmin]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, BLTouch config, EXT-A2 + ZMIN are used to connect probe
+#
+[env:anycubic_mega_zero_melzi_bl_a2_zmin]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, BLTouch config
+# PIN27 + ZMIN are used to connect probe.
+# EXT-A2 used to connect Smart Filament Sensor
+#
+[env:anycubic_mega_zero_melzi_bl_zmin_sfs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+# Same as above, but with bed enabled
+[env:anycubic_mega_zero_melzi_bed_bl_zmin_sfs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, BLTouch config
+# PIN27 + ZMIN are used to connect probe.
+# EXT-A2 used to connect simple Filament Sensor
+#
+[env:anycubic_mega_zero_melzi_bl_zmin_fs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+# Same as above, but with bed enabled
+[env:anycubic_mega_zero_melzi_bed_bl_zmin_fs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, MBL config
+# PIN27 used to connect Smart Filament Sensor
+#
+[env:anycubic_mega_zero_melzi_sfs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, MBL config
+# PIN27 used to connect simple Filament Sensor
+#
+[env:anycubic_mega_zero_melzi_fs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, MBL config
+# EXT-A2 used to connect Smart Filament Sensor
+#
+[env:anycubic_mega_zero_melzi_sfs_a2]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, MBL config
+# EXT-A2 used to connect simple Filament Sensor
+#
+[env:anycubic_mega_zero_melzi_fs_a2]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, BLTouch config, Heated BED
+# PIN27 + EXT-A2 are used to connect probe.
+#
+[env:anycubic_mega_zero_melzi_bed_bl_a2]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, BLTouch config, Heated BED
+# PIN27 + ZMIN are used to connect probe.
+#
+[env:anycubic_mega_zero_melzi_bed_bl_zmin]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+#
+# Anycubic Mega Zero Melzi clone, BLTouch config, Heated BED
+# EXT-A2 + ZMIN are used to connect probe.
+#
+[env:anycubic_mega_zero_melzi_bed_bl_a2_zmin]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+# BFPTouch configs
+# A2: PIN27 for servo, EXT-A2 for sensor
+# A2+ZMIN: EXT-A2 for servo, Zmin for sensor
+# ZMIN: PIN27 for servo, zmin for sensor
+[env:anycubic_mega_zero_melzi_bfpt_a2]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+[env:anycubic_mega_zero_melzi_bfpt_a2_zmin]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+[env:anycubic_mega_zero_melzi_bfpt_zmin]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+# PINDA inductive sensor
+# Default: using PIN27 adapter
+# A2: using EXT-A2
+# with filament sensors: default to PIN27 and sensor to EXT-A2.
+[env:anycubic_mega_zero_melzi_pinda]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+[env:anycubic_mega_zero_melzi_pinda_a2]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+[env:anycubic_mega_zero_melzi_pinda_fs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+[env:anycubic_mega_zero_melzi_pinda_sfs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+[env:anycubic_mega_zero_melzi_pinda_a2_fs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+[env:anycubic_mega_zero_melzi_pinda_a2_sfs]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+# Allen Key Probe
+# https://www.thingiverse.com/thing:4574066
+# Default: Ext-A2
+# option: zmin
+[env:anycubic_mega_zero_melzi_akp_a2]
+extends       = anycubic_mega_zero_melzi_dynamic
+
+[env:anycubic_mega_zero_melzi_akp_zmin]
+extends       = anycubic_mega_zero_melzi_dynamic