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Buildbotics CNC Controller Firmware Changelog

v2.0.0

  • Changes for RPi4
  • Updated Debian version
  • Improved Wifi settings

v1.0.4

  • Detect ngc, tap, txt and tpl program file extensions.
  • Fixed bug where planner config changes were not reflected after program stop.
  • Fixed "stuck in jogging" bug.
  • Show error when switch not found rather than estop.

v1.0.3

  • Fix bug in stall detect homing.
  • Program power firmware on upgrade.
  • Remove inaccurate over/under detection feature.
  • Fix GCode editor File -> New.

v1.0.2

  • Remappable IO
  • Added support for Fuling DZB200/300 VFD.
  • Added support for EM60 VFD.
  • Added support for H100 VFD.
  • Maintain versioned config files to make downgrading easier.
  • Handle 3D view with only one move.
  • Fix over/under notification with offsets enabled.
  • Fix for type 2 gamepads.

v1.0.1

  • Handle case correctly when assigning named GCode variables.
  • Increased gamepad deadband to 15% but with rescaling to improve precision.
  • Disable 3D viewer if hardware WebGL not available or on Pi 3 local head.
  • Automatically show keyboard when selecting input and hide when not.
  • Use bbkbd instead of ratpoison.
  • Added Galt G200/G500 VFD support
  • Correction for voltage measurements.
  • Removed load current and faults for newer hardware from indicators and LCD.
  • Added DB15 breakout box to indicators page.
  • Send stop command to VFD on estop.

v1.0.0

  • Added online GCode editor.
  • Added online file manager.
  • Allow subdirectories of files.
  • Full page 3D viewer.
  • Full page camera view.
  • Move all configuration pages to SETTINGS.
  • Moved Save button to SETTINGS pages.
  • Added firmware check message.
  • Added macro buttons.
  • Fixed error setting lower soft limit with virtual keyboard installed. #249
  • Fix numerical overflow causing long (time) linear moves to fail. #258
  • Better gamepad handling.
  • Fixed problem with web layout while using virtual keyboard.
  • Fixed problem with entering config values while virtual keyboard is active.
  • Warn when leaving Settings without having saved.
  • Show upload progress when uploading files or firmware.
  • Allow multiple file upload.
  • Moved documentation pages to DOCS page.
  • Show program messages in 3D view.
  • Fix bug where rehoming fails after stop. #294
  • Fixed splash screen centering.
  • Much improved onscreen keyboard for touch screen operation. #292
  • Handle pause duing seeking operation correctly.
  • Default Wifi config to internal.

v0.4.16

  • Improved axis under/over warning tooltip.
  • Added support for DMM DYN4 VFD.
  • Only enable rapid-auto-off and dynamic-power in PWM mode. #272
  • Support more gamepads.
  • Added copyright to LCD boot up.
  • Fixed default units handling. #206
  • Fix zero-all when some axes are homed and some are unhomed.
  • Fixed LCD axis offset position display.
  • Set max-arc-error with max-deviation.
  • Improved modbus debugging.
  • Fixed demo estop.

v0.4.15

  • Set GCode variables #5400 and #<_tool>.
  • Added #<_timestamp> GCode variable.
  • Print program start, stop and end with timestamp.
  • Fix occasional "Plan Failed" when saving config.
  • Fix motor step alignment when changing motor parameters like microsteping.
  • Stall detect homing.
  • Improved voltage spike clamping time.
  • Support for WJ200 VFD
  • Added M8.1 and M7.1 coolant off commands.
  • Clear planner coolant and spindle state on stop.
  • Fix web disconnect problem when downloading a bug report.
  • Fix for jogging on touch screens.
  • Allow disabling the internal WiFi so a USB dongle can be used.
  • Override M30 as well as M2 with program-end override.

v0.4.14

  • Handle file uploads with '#' or '?' in the name.
  • Added "step mode" to Web based jogging.
  • Fixed touch screen Web jogging.
  • Support V70 Stepper Online VFD.

v0.4.13

  • Support for OMRON MX2 VFD.
  • Better error handling in WiFi configuration.
  • Fix open WiFi access.
  • Improved video camera performance.
  • Allow up to 4 camera clients at once.
  • Add axis bounds GCode variables #<_x_min>, #<_x_max>, etc.
  • Expose junction-accel planning parameter.
  • Fixed problem with manual firmware upload on OSX.
  • Ignore cameras that do not support MJPEG format video.

v0.4.12

  • Segments straddle arc in linearization.
  • Control max-arc-error with GCode var.
  • Implemented path modes G61, G61.1 & G64 with naive CAM and basic blending.
  • Log GCode messages to "Messages" tab.
  • Acknowledging a message on one browser clears it for all.
  • Automatically reload Web view when file changes.
  • Added config-screen script. Web based screen config to come later.
  • Suppress message popup with (MSG,# No popup message).
  • Show latest GCode message in Message field on CONTROL page.
  • Marked several GCodes supported in cheat sheet.
  • Solved planner lookahead failure for most reasonable cases.
  • Prevent cutting off distant parts of 3D path view.
  • Raised default latch-backoff to 100mm and zero-backoff to 5mm.
  • Added max-deviation option.
  • Fixed problem with GCode boolean expression parsing. #232.
  • Ensure 2uS step pulse width.

v0.4.11

  • Don't reset global offsets on M2.
  • Test shunt and show error on failure.
  • Report spindle status codes from Modbus.
  • Save more log files in bug report.
  • Fixed indicators low-side units.
  • Support for YL600, YL620 & YL620-A VFDs.
  • Move Modbus indicators to tool page.
  • Support for Sunfar E300 VFD.
  • Set GCODE_SCRIPT_PATH to support GCode file routines.
  • Fix pause bug introduced in v0.4.10.

v0.4.10

  • Fix demo password check
  • Fix bug were fast clicks could cause jog commands to arrive out of order.
  • Fix bug where planner position may not sync after jog.
  • Show power shutdown on indicators page.
  • Show all motors in shutdown when in power shutdown.
  • Improved GCode error messages.
  • Put controller into estop when in power shutdown.

v0.4.9

  • Enforce 6A per motor channel peak current limit.
  • Adjust config values above max or below min instead of resetting to default.

v0.4.8

  • Fixed log rotating.
  • Use systemd service instead of init.d.
  • Fix planner terminate.
  • Changed AVR serial interrupt priorites.
  • Increased AVR serial and command buffers.
  • Boost HDMI signal.
  • Rewrote RPi serial driver.
  • Automatically scale max CPU speed to reduce RPi temp.
  • Disable USB camera if RPi temperature above 80°C, back on at 75°C.
  • Respect offsets in canned cycle moves. #219
  • Fixed G53 warning.
  • Fixed delayed offset update after M2 or M30 end of program.
  • Handle multiple consecutive config resets correctly.
  • Fixed log CPU usage problem introduced in v0.4.6.
  • Show RPi temp on indicators page.
  • Show red thermometer if RPi temp exceeds 80°C.

v0.4.7

  • Fix homing switch to motor channel mapping with non-standard axis order.
  • Added switch-debounce and switch-lockout config options.
  • Handle corrupt GCode simulation data correctly.
  • Fixes for exception logging.
  • Always limit motor max-velocity. #209
  • Sync GCode and planner files to disk after write.
  • Added warning about reliability in a noisy environment on WiFi config page.
  • EStop on motor fault.
  • Fixed ETA line wrapping on Web interface.
  • Fixed zeroing with non-zero offset when unhomed. #211
  • Handle file paths uploaded from Windows correctly. #212
  • Don't retain estop state through reboot.
  • Log when RPi gets hot.
  • Support Modbus multi-write mode.
  • Added support for Nowforever VFDs.

v0.4.6

  • Fixed a rare Negative s-curve time error.
  • Don't allow manual axis homing when soft limits are not set.
  • Right click to enable camera crosshair.
  • Demo mode.
  • Limit idle-current to 2A.
  • Removed dangerous power-mode in favor of simpler enabled option.
  • Fixed bug where motor driver could fail to disabled during estop.
  • Restored estop text.

v0.4.5

  • Fix for random errors while running VFD.
  • Fix bug where planner would not continue after optional pause (M1).
  • Fix lockup on invalid no move probe G38.x. #183
  • Fix zeroing homed axis after jog.
  • Fix VFD communication at higher baud rates (> 9600). #184

v0.4.4

  • Write version to log file.
  • Write time to log file periodically.
  • Show simulation progress with or with out 3D view.
  • Synchronize file list between browsers.
  • Increased max simulation time to 24hrs.
  • Added button to download current GCode file.
  • Blink play button to indicate pause.
  • Many layout tweaks/improvements.
  • Don't abort simulations when system time changes.
  • Only allow one camera stream at a time.

v0.4.2

  • Suppress Auto-creating missing tool warning.
  • Prevent Stream is closed error.
  • Suppress WebGL not supported warning.
  • Fixed Web disconnect during simulation of large GCode.
  • Disable outputs on estop.
  • Improved switch debouncing for better homing.
  • Handle zero length dwell correctly.
  • Fixed problem with cached GCode file upload when file changed on disk.
  • Run simulation at low process priority.
  • Added Bug Report button to Admin -> General.
  • Only render 3D view as needed to save CPU.
  • Prevent lockup due to browser causing out of memory condition.
  • Show error message when too large GCode upload fails.
  • Much faster 3D view loading.

v0.4.1

  • Fix toolpath view axes bug.
  • Added LASER intensity view.
  • Fixed reverse path planner bug.
  • Video size and path view controls persistent over browser reload.
  • Fixed time and progress bugs.
  • Added PWM rapid auto off feature for LASER/Plasma.
  • Added dynamic PWM for LASER/Plasma.
  • Added motor faults table to indicators page.
  • Emit error and indicate FAULT on axis for motor driver faults.
  • Display axis motor FAULT on LCD.
  • Fixed bug with rapid repeated unpause.

v0.4.0

  • Increased display precision of position and motor config.
  • Added support for 256 microstepping.
  • Smoother operation at 250k step rate by doubling clock as needed.
  • Indicators tab improvements.
  • Much improved camera support.
  • Camera hotpluging.
  • Move camera video to header.
  • Click to switch video size.
  • Automount/unmount USB drives.
  • Automatically install buildbotics.gc when no other GCode exists.
  • Preplan GCode and check for errors.
  • Display 3D view of program tool paths in browser.
  • Display accurate time remaining, ETA and progress during run.
  • Automatically collapse moves in planner which are too short in time.
  • Show IO status indicators on configuration pages.
  • Check that axis dimensions fit path plan dimensions.
  • Show machine working envelope in path plan viewer.
  • Don't reload browser view on reconnect unless controller has reloaded.
  • Increased max switch backoff search distance.
  • Major improvements for LASER raster GCodes.
  • Fixed major bug in command queuing.
  • Ignore Program Number O-Codes.
  • Improved planning of collinear line segments.
  • Allow PWM output up to 320kHz and no slower than 8Hz.

v0.3.28

  • Show step rate on motor configuration page.
  • Limit motor max-velocity such that step rate cannot exceed 250k.
  • Fixed deceleration bug at full 250k step rate.

v0.3.27

  • Fixed homing in imperial mode.

v0.3.26

  • Removed VFD test.
  • Show VFD status on configuration page.
  • Show VFD commands fail counts.
  • Marked some VFD types as beta.

v0.3.25

  • Error on home if max-soft-limit <= min-soft-limit + 1. #139
  • Decrease boot time networking delay.
  • Default to US keyboard layout. #145
  • Added configuration option to show metric or imperial units in browser. #74
  • Implemented fine jogging control in Web interface. #147

v0.3.24

  • Added unhome button on axis position popup.
  • Ignore soft limits of max <= min.
  • Fixed problem with restarting program in imperial units mode.
  • Handle GCode with infinite or very long loops correctly.
  • Fixed Huanyang spindle restart after stop.

v0.3.23

  • Fix for modbus read operation.
  • Finalized AC-Tech VFD support.
  • Preliminary FR-D700 VFD support.
  • Ignore leading zeros in modbus messages.
  • Handle older PWR firmwares.

v0.3.22

  • Fix position loss after program pause. #130
  • Correctly handle disabled axes.
  • Fixed config checkbox not displaying defaulted enabled correctly.
  • Added Custom Modbus VFD programming.

v0.3.21

  • Implemented M70-M73 modal state save/restore.
  • Added support for modbus VFDs.
  • Start Huanyang spindle with out first pressing Start button on VFD.
  • Faster switching of large GCode files in Web.
  • Fixed reported gcode line off by one.
  • Disable MDI input while running.
  • Stabilized direction pin output during slow moves.

v0.3.20

  • Eliminated drift caused by miscounting half microsteps.
  • Fixed disappearing GCode in Web.
  • More efficient GCode scrolling with very large files.
  • Fully functional soft-limited jogging.
  • Added client and access-point Wifi configuration.
  • Fixed broken hostname Web redirect after change.
  • Split admin page -> General & Network.
  • Improved calculation of junction velocity limits.

v0.3.19

  • Fixed stopping problems. #127
  • Fixed Negative s-curve time error.
  • Improved jogging with soft limits.
  • Added site favicon.
  • Fixed problems with offsets and imperial units.
  • Fixed All zero s-curve times caused by extremely short, non-zero moves.
  • Fixed position drift.

v0.3.18

  • Don't enable any tool by default.

v0.3.17

  • Fixed pausing fail near end of run bug.
  • Show "Upgrading firmware" when upgrading.
  • Log excessive pwr communication failures as errors.
  • Ensure we can still get out of non-idle cycles when there are errors.
  • Less frequent pwr variable updates.
  • Stop cancels seek and subsequent estop.
  • Fixed bug in AVR/Planner command synchronization.
  • Consistently display HOMING state during homing operation.
  • Homing zeros axis global offset.
  • Added zero all button. #126
  • Separate "Auto" and "MDI" play/pause & stop buttons. #126
  • Moved home all button. #126
  • Display "Video camera not found." instead of broken image icon.
  • Show offset positions not absolute on LCD.
  • Don't change gcode lines while homing.
  • Don't change button states while homing.
  • Adding warning about power cyclying during an upgrade.
  • Reset planner on AVR errors.
  • Fixed pausing with short moves.
  • Corrected s-curve accel increasing jogging velocities.

v0.3.16

  • Fixed switch debounce bug.

v0.3.15

  • Suppress warning missing config.json warning after config reset.
  • Fixed EStop reboot loop.
  • Removed AVR unexpected reboot error.

v0.3.14

  • Fixed: Config fails silently after web disconnect #112
  • Always reload the page after a disconnect.
  • Honor soft limits #111 (but not when jogging)
  • Limit switch going active while moving causes estop. #54
  • Added more links to help page.
  • Fixed axis display on LCD. #122
  • Added GCode cheat sheet.
  • Fixed LCD boot splash screen. #121
  • Implemented tool change procedures and pause message box. #81
  • Implemented program start and end procedures.

v0.3.13

  • Disable spindle and loads on stop.
  • Fixed several state transition (stop, pause, estop, etc.) problems.

v0.3.12

  • Updated DB25 M2 breakout diagram.
  • Enabled AVR watchdog.
  • Fixed problem with selecting newly uploaded file.
  • More thorough shutdown of stepper driver in estop.
  • Fixed spindle type specific options.
  • No more Unexpected AVR firmware reboot errors on estop clear.
  • Downgraded Machine alarmed - Command not processed errors to warnings.
  • Suppress unnecessary axis homing warnings.
  • More details for axis homing errors.
  • Support GCode messages e.g. (MSG, Hello World!)
  • Support programmed pauses. i.e. M0

v0.3.11

  • Suppressed firmware rebooted warning.
  • Error on unexpected AVR reboot.
  • Fixed pin fault output.
  • No longer using interrupts for switch inputs. Debouncing on clock tick.

v0.3.10

  • Fixed "Flood" display, changed to "Load 1" and "Load 2". #108
  • Highlight loads when on.
  • Fixed axis zeroing.
  • Fixed bug in home position set after successful home. #109
  • Fixed ugly Web error dumps.
  • Allow access to log file from Web.
  • Rotate log so it does not grow too big.
  • Keep same GCode file through browser reload. #20

v0.3.9

  • Fixed bug in move exec that was causing bumping between moves.
  • Fixed planner bug which could create negative s-curve times.
  • Hide step and optional pause buttons until they are implemented.
  • Fixed pausing problems.
  • Limit number of console messages.
  • Scrollbar on console view.
  • Log debug messages to console in developer mode.
  • Fixed AVR log message source.
  • Fixed step correction.
  • JOGGING, HOMMING and MDI states.
  • Fixed position problem with rapid MDI entry.

v0.3.8

  • Fixed pwr flags display
  • Added pwr fault flags to indicators

v0.3.7

  • Allow blocking error dialog for a period of time
  • Show actual error message on planner errors
  • Reset planner on serious error
  • Fixed console clear
  • Added helpful info to Video tab
  • Changed "Console" tab to "Messages"
  • Removed spin up/down velocity options, they don't do anything
  • Allow RS485 to work when wires are swapped
  • Allow setting VFD ID
  • Only show relevant spindle config items
  • More robust video camera reset
  • Added help page
  • Allow upgrade with out Internet
  • Limit power fault reporting
  • Added load over temp, load limiting and motor overload power faults

v0.3.6

  • Set max_usb_current=1 in /boot/config.txt from installer #103

v0.3.5

  • Fixed dwell (G4)
  • Always show limit switch indicators regardless of motor enable
  • Fixed feed rate display
  • Added current GCode unit display
  • Fixed homed axis zeroing
  • Fixed probe pin input
  • Added reload button to video tab
  • Don't open error dialog on repeat messages
  • Handle large GCode files in browser
  • Added max lookahead limit to planner
  • Fixed GCode stopping/pausing where ramp down needs more than is in the queue
  • Added breakout box diagram to indicators
  • Initialize axes offsets to zero on startup
  • Fixed conflict between x state variable and x axis variable
  • Don't show ipv6 addresses on LCD. They don't fit.

v0.3.4

  • Added alternate units for motor parameters
  • Automatic config file upgrading
  • Fixed planner/jog sync
  • Fixed planner limits config
  • Accel units mm/min² -> m/min²
  • Search and latch velocity mm/min -> m/min
  • Fixed password update (broken in last version)
  • Start Web server earlier in case of Python coding errors

Changelog not maintained in previous versions. See git commit log.