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Prusa-Firmware/CUSTOM.md

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Changelog of local customizations

Version 20-Dec-2017 (v3.1.0 r4)

Updates and mods

  • Allow BAUDRATE override by build opts (default 115200).
  • Remove unused source files (qr_solve, vector_3).
  • Use SDK version of LiquidCrystal library (faster draw).
  • Adjust extra filament load extrusion to 15mm.
  • Add private build variant configuration version number.

Bug fixes

  • Init serial before lcd to elminate random garbage output.
  • Remove redundant splash screen init.

Version 22-Nov-2017

Updates and mods

  • Add extra 25mm to manual (LCD) filament load extrusion.
  • Merge latest Prusa3D firmware release v3.1.0 changes.

Bug fixes

  • Fix M110 G-code compatibility

Version 9-Nov-2017

New features

  • Add 8-point Mesh Bed Correction offsets (+/- 500um) support (optional: MBC_8POINT)
    Points labeled a thru h starting at the front/home position. Supported by G80 command and persisted to EEPROM via LCD menus.
       B A C K
    +-----------+
    | f   g   h |
    | d   X   e |
    | a   b   c |
    +-----------+
      F R O N T
  • Replace LiquidCrystal display driver with recent version (experimental)
  • Add ability to build single language version (see langtool.pl). This feature saves ~32K program space.
  • Add custom G-code to dump and restore EEPROM (optional: EEPROM_SAVE_RESTORE)
   M767: Dump EEPROM to serial (suitable for restore) or to SD File
     Ex: M767 S --> dump to SD card 'eesave.hex'
         M767 P<addrs> --> Write M768 P<addrs> V<value> to SERIAL
         M767 X --> dump entire EEPROM to SERIAL
   M768: Set EEPROM location from value
     Ex: M768 P<addrs> V<value>
         M768 R --> restore from SD card
  • Allow embedded colons (':') in G-code. Ex: "M117 Time is 11:56" now works!
  • Reduce surface artifacts caused by XY skew compensation (experimental). Ref: Issue #47
  • Clarify temperature and PID calibration menu items. Setup Wizard display name changed.

Bug fixes

  • Complete cleanup of build warnings.
  • Removal of dead code and unreferenced variables.
  • Fixed a couple of array out-of-bounds references.