Marlin 2.0.5.2

We put out regular updates to make sure you have all the latest patches and improvements. Commits in this Release.

New Features

• New Controller Fan options and M710 G-code.
• Add M42 M to set pin mode.

Issues Patched

• Fix extra line in M114 output.
• Fix Emergency Parser on DUE / SAM boards.
• Fix MKS SBASE 1.6 E1 heater pin.
• More reliable sensorless homing with Core kinematics.
• Implement CONTROLLER_FAN_USE_Z_ONLY.
• Fix include of custom version file.
• Skip PWM pin sanity-checks if they can't be done at compile time.

Optimized / Improved

• Clean up and improve M43.
• Tweaked serial port descriptions in configs.

Configuration

• Sanity-check: Backlash with core kinematics.

Boards / Pins

• ARMED support for TMC UART, probe temp.
• Future-proof pins files with HAS_TMC_UART.
• Add Copymaster3D board.
• Stay at version 0.91 of USBComposite for STM32F1.
• Use pin/port names for CHITU pins.
• Add USB serial support to SERIAL_PORT_2 on DUE.
• Add SoftwareSerialM for MKS Robin TMC UART.

Hosts and UI

• More decimal places for babystep / Z probe offset.
• Fix FYSETC mini 12864 init / glitches.
• More DGUS updates.
• Fix limits on acceleration editing.

For Developers

• Split up STM32 pins files by model.
• Added a node script to apply pins file formatting.

Marlin 2.0.5.1

This is a maintenance release fixing some bugs and configuration issues. Commits in this Release.

Known Issues

• M114 contains an extra line of output. Fixed in 2.0.5.2.
• The version is shown as "2.0.5."

Issues Fixed

• Restore Flash as the default EEPROM emulation for LPC176x.
• Fix the Z_MIN_PROBE_PIN assignment on SKR 1.4.
• Fix progress bar and M73. (Update your Configuration_adv.h.)
• Fix U.B.L. slot loading.
• Fix Z correction after G29 (ABL Bilinear with Z Fade).
• Fix Z clearance move in G34.
• Fix "remaining time" cosmetic issue

New Features

• Add EEPROM_BOOT_SILENT option for a less verbose startup.
• Add SLOWDOWN_DIVISOR for the benefit of big planner buffers.

Improvements

• Display 3 digits of precision when editing hotend offsets.
• Mount external SD cards later in the boot process.
  Using external SD with SD-based EEPROM? Let us know.

For Developers

• Add a machine state in place of the Running flag.

Marlin 2.0.5

Commits in this Release

New Features

• Quad-Z bed alignment

Boards / Pins

• Added E2 stepper pins for Rumba
• Improve FYSETC S6 pins and variants, set platform version
• Fix default SKR 1.4 TEMP_PROBE_PIN
• Allow Z_STOP_PIN override on SKR 1.4
• Define a Z_MIN_PROBE_PIN for Cohesion 3D Remix

Configuration

• Configurations version bumped to 020005
• Sanity-check for Trinamic micro-steps values
• Use bed max temp for probe temp compensation default
• Move SENSORLESS_PROBING to the probes section
• Changed SD_DETECT_INVERTED to SD_DETECT_STATE HIGH to clarify its meaning
• Expose BOOTSCREEN_TIMEOUT for character LCD
• Added HOME_AFTER_G34 option

Hosts and UI

• Fixed build issues with REPRAPWORLD_KEYPAD
• Fixed undefined STATUS_CHAMBER_WIDTH
• Updated German, Turkish, Traditional Chinese
• M220 without arguments prints the current value
• Send SD file open message to all attached hosts
• Improvements for DGUS displays
• Fix Malyan LCD compile issue with PID tuning

HAL / Platforms

• Shorten HAL / environment names to reduce command size for Windows
• Added early checks for LPC1768 pin conflicts
• Added SoftwareSerial for SAMD51
• More explicit conditionals for EEPROM types
• Fixed STM32 low level _WRITE macro bug

Issues Patched

• Fixed SD print crash / freeze (enqueue_P)
• Fixed M117 not working in auto[N].g
• Fixed longstanding bad line ending handling in Emergency Parser
• Fixed a longstanding bug in M810 so it is now usable
• Improve reliability of QUICK_HOME with Sensorless Homing
• Always look for the power-loss file on boot (even if disabled by default)
• Fixed handling of extra axis CS pin auto-assignment
• Fixed Z4 stepper indirection compile issue
• Fixed G34 decreasing accuracy, probe range bugs
• Fixed ADC calculation for AD595 / AD8495
• Fixed a bug with synchronizing the E position
• Fix build with 3 auto fans
• More fixes supporting 8 and zero extruders
• Make M114 non-blocking so it won't affect prints
• Change PID "dummy" value to NAN (not 3000.0)

Optimized / Improved

• Improved MarlinMesh.scad mesh visualizer script
• Improved SD print completion handling
• Minor string usage optimization
• Optimized and improved M900
• Added Max7219::suspend and resume methods
• Fixed Max7219 init animations to be non-blocking
• Init the SD card on an external controller later
• Apply soft endstops to joystick jogging

For Developers

• Modified ENABLED / DISABLED macros so they can be used in C++ code
• Added logging for setup() with MARLIN_DEV_MODE enabled
• Added missing pins to the pins debug list
• More liberal use of loop shorthand macros
• Added build tests for GTR Pro 1.0
• Moved some 2560 tests to 1280 for balance
• prepare_move_to_destination renamed prepare_line_to_destination for consistency
• position_is_reachable_by_probe moved to Probe::can_reach

Marlin 2.0.4.4

Commits in this Release

New Features

• TRAVEL_EXTRA_XYJERK permits more CLASSIC_JERK on travel moves
• Optional case-insensitive G-code Parser

Boards / Pins

• Fix BTT SKR 1.4 Turbo SD detect pin
• Fix SD card connection override for STM32
• Fix SKR expansion port pin indexes
• Define DIAG pins and endstop retcons for MKS SGen-L

Configuration

• Sanity check potential LPC176x serial port pin conflicts
• Fix assignment, reset, and editing of servo angles

LCD / Hosts

• Fix cutter / bed icon overlap
• "Init. Media" changed to "Attach Media"
• "Reset to failsafe" changed to "Reset to defaults"
• Fix bed temperature display with "unified" status screen

HAL / Platforms

• Fix overlapping defines in GTR10 build flags

Issues Patched

• Fix broken M0/M1 break detection
• Fix printer LED event onPrintCompleted early triggering
• Prevent potential hang on SD print completion
• Fix default TMC driver pulse rate assignments
• Fix probing failed in G33
• Fix a park_point glitch with some compilers

Optimized / Improved

• Show EEPROM init errors on LCD
• More reliable power-loss recovery after pause-and-shutdown
• Do a small back-off on sensorless homing

For Developers

• Added notes on proper use of enqueue methods
• LPC176x serial ports added to Pins Debugging
• New naming convention for Serial versus LCD strings

Marlin 2.0.4.3

Fixed Issues

• Fix borked babystepping loop (really!).
• Fix evaluation of which stepper drivers have Software Serial.
• Suppress "packed member" warning with new LPC176x compiler.
• Ensure last line from SD card is committed before closing print job.
• Reduce default TMC baudrate to 57600 with Software Serial.

Configuration

• Improved Geeetech A10T / A20T configurations.

LCD / Controller

• "Init. Media" changed to "Attach Media."

For Developers

• Allow use of USE_GCODE_SUBCODES for debugging.
• Allow override of LCD_PIXEL_WIDTH / HEIGHT for experimentation.

Marlin 2.0.4.2

• Fix M0 / M1 broken wait loop
• Support for ANET_FULL_GRAPHICS_LCD with SKR 1.4
• Sanity check all custom user menu items

Marlin 2.0.4.1

Fixed Issues

• Bring back Y and Z babystepping.
• Tweak Core babystepping for consistency.

Known Issues

• Babystepping in stealthChop mode may cause TMC2209 steppers to shut down on some 32-bit platforms

Marlin 2.0.4

New Features

• G34 test points can now be auto-assigned
• Z_AFTER_HOMING for a standard raise after G28
• Individual edge insets for corner leveling
• Separate config for secure data (Excluded by .gitignore)

Boards / Pins

• Added MKS BASE 1.6 board support
• MKS RUMBA split up into AUS3D and MKS variants
• Improved support for Adafruit Grand Central M4 (SAMD51)
  • Added RAMPS 1.4.4
  • Use RTC for the temperature (1kHz) timer
• Added old and new PICA Shield support

Configuration

• Direct link to example configs for the current version
• Configurable G26 retraction length
• Configuration versions bumped to 020004
• Don't require Z sensorless when homing with probe
• Sanity-check recommending safe homing with probes
• Simplify safe homing point sanity check

Hosts and UI

• Cosmetic tweaks for character LCD
• ExtUI API support for PID, probe offsets
• Optional support for G-code quoted strings
• Updated FYSETC S6 pins, LCD settings
• Fixed fan speed editing, decimal value rounding
• Updated French, Russian, Italian
• Fixed STOP reply going to wrong serial port
• Added semicolon (comment prefix) to M503 headings

HAL / Platforms

• Fixed LPC build with watchdog off
• Removed extraneous serial initialization
• Fixed bad pin state transitions on SAMD51
• Fixed ESP32 extraneous library include
• Put the ESP32 stepper I2S task and Marlin on the same core

Issues Patched

• Fixed a bug in TMC2209 StallGuard handling
• Fixed a bug preventing extruder motors being turned off
• Fixed Arduino IDE compilation for DUE
• Fixed SKR 1.4 "extra" endstop pins
• Add Trigorilla endstop add-on option
• Fixed M112 behavior with emergency parser
• Fixed end of print behavior with print status LEDs
• Fixed Neopixel white when used with other LEDs
• Further fixups for 8 extruders
• Ensure that UBL uses Tool 0 for bed leveling
• Fixed G425 CALIBRATION_GCODE pin handling
• Fixed a probe conflict with multi-endstop features
• Fixed MKS Robin nano build options
• Fixed DGUS serial ports not defined
• Display "*" when Trinamic stst = 0

Optimized / Improved

• Start and stop the print job timer on bed heating (also)
• Use SDIO for onboard SD with STM32duino boards
• Improved (safer) handling of probe failure

For Developers

• Added mftest -b and -u options for auto-build
• Improved git, jekyll, and test helper scripts
• Refactored Probe as singleton class
• Define more EXP and AUX pins in SKR pins defines
• Added RREPEAT nested repeat macros and apply
• Added .editorconfig defining basic formatting
• Add logging for Z adjust when leveling is toggled
• Cleanup of host actions code
• To optimize auto-build drop some ATmega 1280 targets

Known Issues

• Babystepping in stealthChop mode may cause TMC2209 steppers to shut down on some 32-bit platforms

Marlin 2.0.3

Boards / Pins

• Support for E4d@BOX mainboard
• Defined RX/TX pins for up to 8 extruders

Configuration

• Auto-assign stallGuard DIAG pins for X2/Y2/Z2/Z3/Z4
• Add Thermistor 21 for PT100 with 3.3V logic

Hosts and UI

• Allow combined use of wheel with touch buttons

Issues Patched

• Fix manual bed leveling with multiple extruders
• Prevent lengthy SD access from resetting ESP32
• Fix tool-change breaking interactive bed leveling
• Fix defined fan reckoning macro _HAS_FAN
• Fix M48 compile error
• Fix G60/G61 with more than 8 slots

Optimizations

• Use less SRAM for L64xx stepper drivers

For Developers

• Refactor and clean up heater watch
• Refactor and clean up print job timer autostart

Known Issues

• M18 / M84 fails to turn off E steppers. Fixed in 2.0.4.
• See 2.0.4 release notes for others

Marlin 2.0.2

New Boards

• Add HMS434 V15 ATSAM board
• BigTreeTech GTR V1.0 board support

Configurations

• Configurations moved to the MarlinFirmware/Configurations repo
• Adjustable debounce for ADC keypads
• Per-tool defaults for G12 Nozzle Clean
• New tuning options for G2/G3 arc segmenting

Patched boards / pins / configs

• Better Geeetech GTM32 support
• Improve STEVAL 3DP001V1 support. Easier use of serial 2 for wifi.
• Updated BigTreeTech BTT002 pins
• Use Flash-based EEPROM storage on BTT002
• Updated FYSTEC F6 pins
• Remap BigTreeTech SKR 1.3 endstops with sensorless homing
• Fix Trigorilla 1.4 X-Max and Y-min limit switches

Hosts and UI

• Fixed issues with Touch UI FTDI Eve
• Permit more RRW Keypad / LCD combinations
• Slightly slimmer slim menus
• Better Chamber temperature safety margin
• Fix locked UI on failed G26
• Fix PID-F edit item label
• Retain SD working directory on file write/delete
• Fix serial output redirection for injected commands

New Features

• Support for up to 8 extruders
• Support for Duet Smart Effector (probe)
• Add G60/G61 position save / restore
• Add P.I.N.D.A. probe temperature compensation
• Add Heated bed probe temperature compensation
• Support for 4x Z steppers and 4x Z endstops
• Support for Nikon IR and other irregular shutter timings
• Option to set LPC1768 i2c master id (for u8g and digipots)

Issues Patched

• Better support for STmicro L64xx and powerSTEP drivers
• Fix ESP32 periodic random print pausing
• Fix power loss recovery cancel for ExtUI displays
• Fix i2c address for MCP4728 on LPC1768
• Patched Melzi fan and LCD pins
• Fix M112 when used with EMERGENCY_PARSER
• Fix errant timeout in response to M85
• Fix MBL compile issue
• Fix allocation of STM32F4/7 timers
• Optimized UTF8 to HD44780 charset translation
• Fix ESP3DLib wifi idle task
• Fix HOMING_BACKOFF_MM for delta

For Developers

• Improved STM32 build settings and timer allocation
• Updated helper scripts for Jekyll documentation