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Changelog.md

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BQ Marlin v2.5.1

Improvements:

  • Updated heated bed configuration on printer start. (H2)

Bugfixes:

  • Fixed hotend thermistor configuration. (H2)
  • Fixed interruption affecting serial printing. (H2)

BQ Marlin v2.5.0

Improvements:

  • Modified the PWM control of the hotend in standby. (H2/W2)

New hardware support:

  • Support for hephestos 2 heatedbed with automatic bed presence detection (H2).
  • Support for hephestos Zum heatedbed (HZ).

BQ Marlin v2.4.0

Bugfixes:

  • Added support for box fan when printing through serial (W2).

New hardware support:

  • Support for new printer Hephestos with BQ-Zum Mega3D board (HZ).

BQ Marlin v2.3.1

Bugfixes:

  • Fixed acceleration values on Prusa i3 Hephestos (H/HXL).

BQ Marlin v2.3.0

Bugfixes:

  • Fixed: serial commands with filename data fail when sent with line number (W/H/HXL/W2/H2).
  • Fixed: M20 doesn't return folders with very short names (W/H/HXL/W2/H2).
  • Now when hit a wrong line number error, will also return OK message (W/H/HXL/W2/H2).
  • Improved opening files in the SD card deeper than two folders using serial commands with absolute paths (W/H/HXL/W2/H2).
  • Completed prints statistic is not increased if a print has not been previously started (W2/H2).
  • Analog control re-enabled for blower fan (W/H/HXL).
  • Corrected Hephestos 2 "Extruder steps per unit" value on configuration (H2).

Improvements:

  • Erasing EEPROM through serial shows EEPROM erasing screen in LCD (W2/H2).
  • Changed rest position (W/H/HXL).
  • Added support for custom builds with filament sensor (H/HXL/H2).
  • Reduced motor noise (W/H/HXL/W2/H2). Stepper management changes:
    • 16 steps per interrupt for 32 usteps.
    • Maximum Frequency: 1.667 KHz
    • Maximum Step Multiplier: x16
    • Maximum Steps/Second: 26.667 Kstep/s
    • Maximum Axis Speed (32 usteps): 167 mm/s Note: a new configuration option, PREFER_MAX_SPEED, is available in the configuration files to allow custom builds with previous stepper control profile.

New features:

  • New screen will remind to replace the PTFE tube every 250 hours of printing (W2/H2).

BQ Marlin v2.2.0

Under the hood:

  • Dockerfile for automatic builds (W/H/HXL/W2/H2).
  • Compiled with GCC 4.8 (W/H/HXL/W2/H2).
  • Using Arduino SDK 1.6.7 (W/H/HXL/W2/H2).

Bugfixes:

  • Fixed first connection generates gibberish output through serial producing several issues and blockings (H2).
  • G28 homing action is no longer ignored via serial. Consider that the plane will be destroyed by means of the G28, so G29 should be used afterwards (W2/H2).
  • M20 now returns all files present on the SD card (W/H/HXL/W2/H2).
  • Fixed: SD browsing through screen interface shows an empty line if a file doesn't have a regular filename (W/H/HXL/W2/H2).
  • G29 is no longer allowed when printing from SD to avoid the destruction of the plane (W2/H2).
  • Workaround for Repetier sending M23 incorrectly formatted (extra blank space after file name) which causes fail when trying to open a file (W/H/HXL/W2/H2).
  • M24 can be used now to start an SD file printing from serial (W2/H2).
  • M24 can be used to resume paused SD file printing from serial (W2/H2).
  • Fixed: M25 causes the printer to stop responding when printing an SD file from serial (W2/H2).
  • Fixed: M29 doesn't return an OK message after closing the file (W/H/HXL/W2/H2).
  • Fixed manual levelling sequence not properly interrupted by inactivity (W2/H2).
  • Internally generated commands no longer produce an 'OK' message on serial (W/H/HXL/W2/H2).
  • M801 sends the correct number of "ok" messages after flushing the command buffer (W2/H2).
  • Fixed: M84 internally generated by M801 is sometimes lost (W2/H2).
  • Fixed: "Done printing file" not sent when file is finished using M801 command (W2/H2).
  • Fixed: Language build selection on Windows not working (W/H/HXL).
  • M27 generates "Not SD printing" message if no file is open (W/H/HXL/W2/H2).

Improvements:

  • Bed detection sequence now shows a specific error screen, instead of going to 'Emergency Stop' (W2).
  • Use of serial commands is allowed while printing files from the SD (W2/H2).
  • Incomplete data from serial, when printing from the SD, is discarded (W/H/HXL/W2/H2).
  • Only enter Serial Screen mode upon completed commands (W2/H2).
  • Files on SD are now shown in reverse order of inode creation, so newer files will appear on top of the screen (unless they are substituting a previously erased inode, which can't be controlled with SDFAT implementation) (W/H/HXL/W2/H2).
  • Improved arduino folder detection when using make.cmd to build the firmware on Windows (W/H/HXL/W2/H2).

New features:

  • Support for Toshiba FlashAir SD-Wifi cards (W/H/HXL/W2/H2).

BQ Marlin v2.1.0

Bugfixes:

  • Fixed: Printing from SD stops if USB cable is disconnected (W2/H2).
  • Fixed: Changing filament, inherited feedrate can produce sliding on extruder (W/H/HXL/W2/H2).
  • Fixed serial printing from Cura 15.04 and possibly other host systems (W/H/HXL/W2/H2).
  • Skip temperature animation on manual levelling when temperature is already above preheat value (W2/H2).
  • Fixed: Printing position can be lost after a fast filament change (W2/H2).
  • Auto-levelling option can now be built on 1st generation printers (W/H/HXL).
  • Blower is now activated when a percent of speed (M106) is selected (always 100% of speed is used though) (W2/H2).
  • Fixed serial printing entering in inactivity state if M800 is not used.

Improvements:

  • Reduce printing slowdown with very short segments due to screen updates (W2/H2).
  • Added board serial number to M115 response over serial (W2/H2).
  • Reduce one check on double homing (base detection) algorithm (W2).

New features:

  • Added an error screen when special (non supported) characters are used on file names or folders (W2/H2).
  • Added a new statistics screen. Now printing time and successful/cancelled printings are stored on EEPROM (W2/H2).

Translations:

  • Italian, Russian and Portuguese fixes (W2/H2).
  • Minor changes on all languages (W2/H2).

BQ Marlin v2.0.0

Under the hood:

  • Synced with upstream Marlin (git-9b50ec) (20150228) with additional fixes.
  • Built with Arduino SDK 1.6.4.
  • Built wit C++11 support.
  • Dropped support for Arduino IDE. Use the provided Makefile instead, see README.md for detailed instructions.

New hardware support:

  • Support for additional Arduino pins, extending the SDK file, required by BQ-CNC and BQ-Zum Mega3D boards.
  • Support for new printers Hephestos 2 and Witbox 2.
  • Improved support for LCD display 12864U5.

Bugfixes:

  • Increased material extrusion on filament insertion, to ensure that the hotend is totally clean (W/H/HXL/W2/H2).
  • Increased retraction of material on pause and filament change to avoid leaving drops of material on the piece (W/H/HXL/W2/H2).
  • Fixed low extrusion after pausing and/or filament change (W/H/HXL/W2/H2).
  • Fixed wrong retraction on M600 GCode (W/H/HXL/W2/H2).
  • Fixed non-linear behaviour of thermistor for increased accuracy on temperature measurement (W/H/HXL/W2/H2).
  • Ensure buffer is cleared after finishing or cancelling a printing (W/H/HXL/W2/H2).
  • Fixed reading long filenames on SD card (W/H/HXL/W2/H2).
  • Fixed crash when browsing up to 10 levels of subdirectories (W/H/HXL/W2/H2).
  • Changed drivers pulse frequency to enhance real-time response and layer-shifting protection (W/H/HXL/W2/H2).
  • Improved endstop logic (W/H/HXL/W2/H2).

Changes:

  • Removed last levelling point (confirmation point) (W/H/HXL).
  • Changed some operational positions to improve usability and uniformity between printers (W/H/HXL).

New features:

  • New graphical interface for LCD display 12864U5 (W2/H2).
  • Renewed auto-levelling feature with improved precision and accuracy (W2/H2).
  • Sensor-assisted wizard for manual levelling (W2/H2).
  • Support for new double drive gear (DDG) extruder (W2/H2).
  • New real-time PID control for DDG extruder (W2/H2).
  • Multilanguage support on a single build: English, Spanish, German, French, Portuguese, Italian, Swedish and Russian (W2/H2).
  • Inactivity mode (W2/H2).
  • Serial printing screen (W2/H2).
  • Smart Light (W2).
  • Automatic base detection (W2).
  • Configurable chassis fan (W2).