Released 2.7.X

2016 February 8: 2.7.4

• docs: update hm2_eth manpage with supported boards
• docs: fix hostmot2 manpage markup
• docs: update gs2 vfd docs with new command-line args
• docs: update pyvcp docs (labels, leds, buttons)
• docs: improve info on installing preempt-rt kernel
• docs: add warning about entering a root password during install
• docs: improve contributing intructions
• docs: add a bit more info on ngcgui
• docs: update max AIO from 16 to 64 in motion manpage
• docs: update homing diagram (dxf and image)
• docs: clarify homing variable names
• docs: add missing keyboard short cuts to Axis documentation
• docs: clarify what "option userspace yes" means to halcompile
• docs: add info about min and max soft limits
• docs: add mb2hal manpage and documentation
• docs: add a link to the github bug tracker
• docs: github is more official now
• docs: fix a broken links
• docs: fix a couple of places to note nine axes or planes supported
• docs: add info on how to stop the Axis GUI "do you really want to quit" dialog
• docs: add info about examples of logging from G-code
• docs: make example code easier to cut and paste
• docs: fix descriptions for G43.1 and G43.2
• docs: acknowledge Debian and UBUNTU trademarks
• docs: fix incorrect example syntax and typo
• docs: fix manpage markup bug in rtapi_app_{main,exit}.3rtapi
• docs: describe the new gladevcp iconview signal "sensitive"
• docs: add info about the rs274 stand alone interperter
• docs: fix level offset in pdf docs
• docs: remove jessie rt-preempt kernel instructions
• docs: use a longer GPG keyy fingerprint
• docs: minor fixed in gmoccapy docs
• docs: restore line numbers in example G-code
• Axis GUI: add missing keyboard short cuts to help quick reference
• gmoccapy: fix dangerous bug in jogging with keyboard
• gmoccapy: deleted alarm entry and added new settings for combi_dro
• gmoccapy: small bug fix in hal jogging and fixed a typo
• gmoccapy: stay syncronized with iconview widget button states
• gscreen: fix industrial skin's A axis DTO readout
• Mini GUI: remove duplicate geo mgmt of widget
• keystick UI: fix signal handler a second time
• gladevcp: fix hal_dial for wheezy
• gladevcp: hide error message from hal_lightbutton
• gladevcp: iconview could create exception in some circumstances
• gladevcp: offset_widget: fix rare error of non-existant var file
• add gantry.comp from Charles Steinkuehler
• xhc-hb04: fix negative jogs on non-x86 architectures
• hostmot2: improved sserial error handling (don't crash)
• hy-vfd: set spindle_at_speed correctly when spindle is running reverse
• serport: fix pin-1-in-not
• sim_parport: fix pin names of inverted input
• stepconf: fix error when using inverted pins on sim config
• pncconf: fix spindle setting controls not showing sometimes
• pncconf: fix setting or PID maxerror on servo configs
• sample configs: make sim/canterp.ini runnable
• sample configs: connect the orient mode pin to allow rotation direction to be controlled in the VMC Vismach model
• emcmodule: Fix incorrect memory access by [PyArg ParseTuple]? and add better checks for string arguments
• interp: fix two error message typos that would lead a user astray
• support RTAI 5
• better error reporting in rtapi/sim
• realtime script: wait for the last rtapi_app to die when stopping realtime
• tests: verify that the exported realtime math functions exist
• build: remove unsupported docs/src/Makefile?
• build: build-depend on docbook-xsl, instead of using the network at build-time
• packaging: include udev rule file for ShuttleXpress? USB jog pendant
• packaging: gmoccapy depends on gstreamer0.10-plugins-base
• packaging: use "set -e" to fail on error in the postinst script
• remove stray execute permissions

2015 November 29: 2.7.3

• docs: update install instructions for glade
• docs: correct description of m19 feedback requirements
• docs: clarify some pins in the halui manpage
• docs: fix link to the giteveryday(1) manpage
• docs: combine jog wheel information to one place
• docs: minor changes to gmoccapy documentation
• docs: fix links in Gcode Quick Reference (English and French)
• gmoccapy: document updates and deleted some pin
• halui: fix some jogging bugs
• halui: fix a copy-paste error that could prevent homing
• tooledit_widget.py: tool diameter sorting fix
• hal: don't segfault if rtapi_init() fails
• rtapi: error messages are better than errno numbers
• tp: purge old circle length function
• tp: overhaul spiral fit computation to use more numerically stable quadratic formula
• tp: fix for arc-arc coplanar check
• bugfix: Start line and remap interaction
• interp: it's nonsense to take a boost::cref(this)
• build system: verify links in the Gcode Quick Reference documents
• linuxcnc launch script: export LINUXCNC_NCFILES_DIR
• rip-environment: export LINUXCNC_VERSION
• halui/jogging test: change which joint is selected while jogging
• tests: test homing in halui/jogging
• tests: add a motion-logger test of a remap bug

2015 November 1: 2.7.2

• docs: improve parport docs
• hm2_7i90 manpage: clarify firmware management
• hm2_7i90 manpage: remove incorrect EPP info
• interp: fix an old bug in canned cycle preliminary & in-between moves
• sample configs: fix homing in sim/axis/halui_pyvcp
• sample configs: fix homing in sim/axis/classicladder
• realtime script: wait for the last rtapi_app to die when stopping realtime
• tests: add an interpreter test of G81
• tests: add motion-logger, a debugging tool
• motion: motion_debug.h needs to include motion.h

2015 October 18: 2.7.1

• docs: correct and expand description of #<_coord_system>
• docs: clarify "Updating from 2.6 to 2.7"
• docs: fix misc markup issues, typos, and minor issues
• docs: add more information about parallel ports
• docs: remove duplicate include
• docs: clarify dmesg info in Linux FAQ
• docs: update the desktop menus
• docs: add info on using % to wrap G-code files
• docs: update code notes on M61
• docs: add link to upgrade page from 2.5 to 2.6
• docs: show complete ini entry names for homing
• docs: fix display of terminal commands in pdf viewers
• docs: clarify G2 and G3 with R and P
• docs: document hal alias APIs with manpages
• docs: hostmot2 manpage fixes
• docs: update checksums for new Wheezy image containing 2.7.0

• gmoccapy: fix single stepping bug
• gmoccapy: bug in tool info handling with tool number being "-1"
• gmoccapy: bug in handling tool info with tool being "-1"
• update copyright dates for AXIS and Touchy
• gremlin: improve ini file find
• ngcgui: improve ini file find
• ngcgui: fix fullscreen regression

• pncconf: fix spindle control signals
• pncconf: fix spindle control error
• pncconf: fix HAL file - VFD always being selected

• hm2_eth: don't just crash when packets get lost

• toggle2nist: does not require floating-point

• xhc-hb04: honor mpg_accels for all manual_mode jogs
• xhc-hb04: fix output scaling
• xhc_hb04: update man page text
• xhc-hb04: support twopass usage

• hy-vfd: set P144 correctly
• gs2 vfd: add support for configs that power off the VFD on E-stop

• fix bug #439, non-NCD arcs on machines with ABCUVW axes
• motion: set the "In Position" emcmot status flag when aborting

• add option to disable line number reset in hal_sourceview when idle
• build system: make the git scripts more user friendly
• tp: fix warning: function declaration isn't a prototype
• uspace_rtapi_app: clean up on failed "realtime" module load
• task: fix a compile warning (heartbeat is unsigned long)
• io: "no tool" is spelled "0", not "-1"
• io: fix HAL pins on "M61 Q0"
• hal_lib: actually export hal_xxx_alias

• tests: add a lathe test
• tests: add another loadrt test
• tests: add "spindle unloading" to m61 test

2015 September 5: 2.7.0

• docs: add jessie rtpreempt install instructions
• docs: clean up Gscreen GUI docs and add to html and pdf
• docs: make the Hungarian translation of Gmoccapy stand out better
• docs: update the GFDL blurb
• docs: fix html validation errors
• docs: make the html docs remember what was open
• docs: fix typo in pyvcp example
• docs: add missing pyvcp parameter and misc clean up
• docs: remove note about 2.5.0
• docs: refresh Axis GUI screenshot
• docs: fix a copy/paste error in hy-vfd manpage
• docs: add hy-vfd HAL interface change to "Updating LinuxCNC" docs
• docs: remove tool tips from html landing page
• docs: fix html landing page for non-javascript browsers
• docs: fix expand/collapse in html docs
• docs: fix a broken link in Spanish Master Document
• docs: misc minor cleanups

• touchy: G64 now takes optional Q
• gscreen: add info about theme support to docs
• gscreen: add a local theme suited to touchscreens
• gscreen: add local theme capability
• gaxis: name some widgets so the theme can see them
• gaxis: use Override widgets for overrides
• gladevcp: add override slider widget
• add support for TCL halfiles in [HAL]POSTGUI_HALFILE ini settings

• hostmot2: remove pet_watchdog hal function, as per the prophecy
• hostmot2: change default dpll time constant to avoid following errors from ntp

• thcud: fix manpage formatting
• thc component: add pin to show current offset

• latency-plot: don't depend on a specific wish interpreter

• packaging: switch to dh_python2 on Jessie and later
• packaging: libgnomeprintui2.2 is not available on Debian Jessie
• packaging: allow sample configs in /usr/share/doc/linuxcnc/examples to run

2015 August 13: 2.7.0~pre7

• docs now use expanding/collapsing layout
• docs: lots of fixes and cleanup
• docs: fix incorrect image width in pdf docs
• docs: add info on Vismach
• docs: hm2 Smart-serial boards can have HAL pins identified by board serial numbers
• docs: update G33.1 example to include S100 M3
• docs: document motion.feed-inhibit better
• docs: better usage info & manpage for moveoff_gui
• docs: G64 now optionally takes Q
• docs: add info on index-enable and home
• docs: add info and links on embedding tabs
• docs: fix bugs in encoder.9 manpage
• docs: improve documentation of timers in hostmot2 manpage
• docs: include the manpage pdf in linuxcnc-doc-en.deb
• docs: improve G92.1 and G92.2 descriptions

• axis: Fix regression of control disabling, bug #423
• touchy: fix Set Tool/Origin? defaults on lathes
• gmoccapy: several new keyboard shortcuts
• gmoccapy: new place for full size preview button
• gmoccapy: bug in fullsize / edit change
• gmoccapy: add Hungarian translation
• gladeVCP: Add new HAL_LightButton? widget
• gremlin: Add another mouse mode 6: l-move, m-zoom, r-zoom
• halscope: report shm key when rtapi_shmem_new() fails
• halui: better error reporting
• UIs: better tolerance for task latency
• halcmd now supports 32 tokens per line (up from 20)
• xhc-hb04: fix a memory leak
• Calibration dialog: fix finding of halfiles with tunable variables
• moveoff: add gladevcp demo
• streamer: add clock and clock-mode pins
• add a driver for the Huanyang VFD
• vismach: work around a bug in mesa
• add a carousel toolchanger component and a vismach sample config

• stepconf: add support for importing Mach3(tm) config files
• stepconf: fix invert of signals on pp2 during axis test
• stepconf: fix multiple picked outputs in axis test being ignored
• pncconf: fix sserial combobox not selectable

• hm2 ethernet: improved startup behavior
• hm2 ethernet: support multiple fpga ethernet boards
• hm2 ethernet: make unrecognized boards work
• hm2 ethernet: do iptables and sysctl configuration automatically
• hm2: don't overload queue_write's length argument (internal cleanup)
• hm2: support split reads
• hm2: avoid losing negative velocity commands on arm
• hm2: enable encoder dpll (when supported by firmware)
• add elpbcom, a program to communicate directly with mesa ethernet cards

• add missing memory barriers for ARM

• uspace: ensure that the thread-specific key is initialized
• uspace: must advise user to set RTAPI_FIFO_PATH
• uspace: fix uninitialized bytes in syscall sigaction

• halcompile: fix parsing of >> and <<

• task: fix a bug in sequence number tracking
• task: warn when dropping queued mdi commands

• interp: log messages to stderr as intended, instead of crashing
• canon: fix constraint violations with rotated g18/g19 arcs (bug #430)

• io: initialize the tool-in-spindle info correctly

• trajectory planner: pausing during G95 fix
• trajectory planner: fix some bugs and constraint violations

2015 April 10: 2.7.0~pre6

• remove a useless warning message at linuxcnc startup

• axis: Use a preferred form of "switch" (closes: SF#411)

• gscreen: check the user directory for GTK2 themes
• gscreen: added rapid override

• gmoccapy: fix a bug in ignore limits
• gmoccapy: include user dir in search for themes

• xhc-hb04: support lower accels for mpg jogging
• xhc-hb04: add pin for in or mm icon
• xhc-hb04: err_exit for missing inifile stanzas
• xhc-hb04 sim configs: typo fix

• gladevcp: -H will now load hal tcl files as well as plain hal files
• gladevcp: add HALIO_Button widget

• stepconf: fix check for spindle encoder signals for pp2
• stepconf: fix check for spindle signals for pp2

• tooledit: fix a typo

• hal-histogram: minor display improvements
• latencybins.comp: fix ref to using script name

• docs: fix latency-histogram.png image
• docs: fix hal_pin_new() and hal_param_new() manpages

• halcmd: clarify a getp error message

• interp: verify that spindle is turning for G76
• tp: fix for pause during spindle synced motion regression from 2.6
• fix a type error with arcBlendGapCycles?
• hal: fix fatal memory corruption bug on linking pin to a signal

2015 March 11: 2.7.0~pre5

• gmoccapy: fixed division by zero error on spindle
• gmoccapy: introduced frensh translation
• gmoccapy: bug in btn_brake_macro

• xhc-hb04 jog pendant: add man page, improve docs
• xhc-hb04.tcl: bugfix, new connect, sig names
• xhc-hb04.tcl: improve assign of coords to switch

• moveoff: allow_backtracking_enable_change
• moveoff: provide -no_display option
• moveoff: honor changes in backtrack-enable
• moveoff: verify non-connect of some pins
• moveoff: improve demo sample configs

• stepconf: fix missing parport reset commands

• pncconf: add the 7i84 daughter card as an option
• pncconf: add combobox filters to sserial and ss encoders
• pncconf: have the sserial tabs display subboard names
• pncconf: fix wrong auto-selection of last firmware
• pncconf: add support for 7i76e
• pncconf: add spindle vfd options
• pncconf: improve spindle data collection
• pncconf: fix calculation of STEPGEN_MAXVEL

• latency-histogram: include min,max,stddev

• hal-histogram: add a histogram utility for hal pins

• halcmd: report error correctly when loadrt fails in uspace

• halcompile: provide rtapi_math64.h

• fix velocity & acceleration values on non-G17 arcs
• fix rigid tapping/threading
• possible fix for non-zero displayed velocity when stopped

• motion: ensure that syncedIO is not disrupted
• motion: catch non-fatal error during new segment and ensure that atspeed is not ignored

• several internal fixes in the new trajectory planner
• tp: fixed spindle atspeed overrun due to prev line consumption
• tp: Improved handling of low-queue state

• hal_procs_lib.tcl: no error if thread not found
• hal_procs_lib.tcl: consolidate common procs

2015 February 21: 2.7.0~pre4

Changes since 2.7.0~pre3:

• axis gui: fix transition to world mode

2015 February 19: 2.7.0~pre3

Changes since 2.7.0~pre2:

• parport: removed probe_parport component (details here: http://linuxcnc.org/docs/2.7/html/getting-started/updating-linuxcnc.html#_parallel_port)
• add moveoff, a simple jog-while-paused implementation

• axis gui: fix too-fast UVW jogs on inch machines displaying mm
• axis gui: fix too-slow shift-jog speed on inch machines displaying mm
• axis gui: let the user confirm before closing the window
• axis gui: fix jog speed on nontrivkins machines

• gmoccapy: fixed a serious bug with PAUSE / RESUME / STOP
• gmoccapy: initialize mouse button mode corrected
• gmoccapy: PAUSE button did not get active on M01
• gmoccapy: virtual keyboard "bug" not initialized settings correct
• gmoccapy: report gcode errors
• gmoccapy: better docs
• gmoccapy: add polish translation
• gmoccapy: turtle jog and analog in for slider values
• gmoccapy: added support to select number of digits
• gmoccapy: deleted unneeded stuff and new translation
• gmoccapy: new hal pin and some renaming
• gmoccapy: solved a bug in counts handling
• gmoccapy: bug/limit in tool sensor height
• gmoccapy: bug because I missed two self.
• gmoccapy: added a clock and date label
• gmoccapy: bug in hal pin updating, new spindle handling
• gmoccapy: bug in initializing lathe mode

• pncconf: fix icon/image path error
• pncconf: lower default watchdog timeout
• pncconf: fix double POSITION_OFFSET/FEEBACK INI entry
• pncconf: fix a kernal/kernel misspelling

• stepconf & pncconf: remove probe_parport command
• stepconf: use linux parport enumeration number as default
• stepconf: remove a debug print
• stepconf: fix a typo in a variable name
• stepconf: fix the check_for_rt() function for uspace
• stepconf: optionally generate configs with simulated hardware

• xhc-hb04.tcl: support fractional scale factors
• xhc-hb04.tcl: it's an error if halui is not running
• xhc-hb04.tcl: simplify pin_exists proc
• xhc-hb04: fix a memory leak
• lincurve: better manpage
• gs2_vfd: add missing -A, -D, and -R command-line args
• gs2_vfd: accept -g to turn on debug output
• sim_pin: use Toggle by default instead of Pulse
• debounce: add an example of creating filter groups to manpage
• encoder: document the surprising encoder num_chan=0 behavior in manpage

• gladevcp: jogwheel improvements
• gladevcp: fix a bug forground color of combi_dro
• gladevcp: add hiny versions of the hal_bar and led widgets

• pyvcp: fix a bug in radio button widget

• latency-test: fix a bug in command-line argument time parsing
• latency-histogram: clean up on ^C
• latency-histogram: show linuxcnc version
• popupkeyboard.py: support standalone demonstration
• linuxcnc, haltcl: pass args to haltcl file
• twopass.tcl: handle haltcl files with args
• util_lib.tcl utilities for haltcl halfiles
• hal_gremlin: Emit signal in case of gcode error
• linuxcnc: defer starting [APPLICATIONS]APPs

• halui: don't forget the Task mode when queueing MDI commands

• increase default arc radius tolerance (accept larger errors)
• make arc radius tolerance an ini setting

• hal: change function .time from parameter to pin
• hal: increase shared memory size limits

• halcmd: manage prompt better

• hallib: support for system-wide halfiles
• hallib: add sim_lib & basic_sim
• hallib: relocate common halfiles to lib/hallib
• hallib: add halcheck, a library halfile to check common errors

• haltcl: allow haltcl twopass files to use non-builtin Tk widgets

• inihal: bugfix for ini.n.backlash
• inihal: document ini hal pins

• sample configs: use as HALFILE not POSTGUI_HALFILE in Smithy configs

• gm6: Add USPACE support
• gm6: Fix RS485 DAC problem, when DAC has zero V output.
• hm2: fix second default address of EPP port in 7i43 and 7i90 drivers
• hm2 eth: use defines for all timeouts in driver
• hm2 eth: cleanup unused code and leftover from rtnet
• hm2 sserial: fix driver not reporting all sserial remote faults
• hm2 sserial: fix reporting sserial remote faults
• hm2 sserial: Fix .scalemax parameter was ignored on analog inputs
• hm2 sserial: warning when remote sserial device has firmware version lower than r14.
• hm2 sserial: report link failure

• task: fix a bug that could drop mdi commands
• task: fix a dead store

• motion: rebrand a realtime warning message
• motion: ignore feed-override when jogging
• motion: reduce the scope of a state variable
• motion: redo arc spiral handling
• motion: several trajectory planner fixes

• genhexkins: add hal pins for joints coordinates
• hexapod-sim: support hal pins for joints coordinates

• rtapi: fix release region

• uspace: remove debugging message in parport driver
• uspace: don't try to use rt hardening except on a realtime kernel

• ini file variables can now span multiple lines using backslash

• docs: lots of updates to the Getting Started document
• docs: tidy up the top-level README a bit
• docs: describe hal_manualtoolchange.change_button
• docs: describe our git workflow briefly
• docs: describe our Signed-Off-By procedure
• docs: update Polish translation of software strings
• docs: better G2/G3 description
• docs: better G43 description
• docs: update stepconf docs and images
• docs: document io's lube pin a bit more
• docs: include all manpages in the html & pdf docs
• docs: fix inaccuracies in hal_init manpage
• docs: describe postgui_halfiles with twopass info
• docs: improve docs of hal tools
• docs: improve docs of latency test tools
• docs: move parallel port address docs to the correct place
• docs: misc clarifications & minor improvements
• docs: fixup manpage syntax for rtapi_app_main.3 & rtapi_app_exit.3
• docs: improve Servo-To-Go docs

• halcompile: fix & document 'option extra_link_args'
• halcompile: don't overrun the names[] array
• halcompile: improve 'option rtapi_app no' description
• halcompile: fix indentation nitpick in generated C code
• halcompile: reject empty names
• halcompile: document "option userspace" a bit more
• halcompile: misc docs improvements

• use /usr/bin/python in all python scripts

• nml: implement command queue with reliable reception
• nml: convert arch-dependent types to fixed-width types

• build: refactor how manpages are generated
• build: install the new pncconf python modules
• build: depend on inkscape
• build: use correct dependencies on Debian Jessie
• tests: minor improvements to hm2 test
• tests: fix a spurious false failure in the tlo test
• tests: reorganize the halui jogging test dir layout
• tests: give halui a few seconds to switch the task mode back
• tests: add a halui mdi test
• tests: add an nml-over-tcp test
• tests: simplify t0 test and increase task queue usage
• tests: fix a race condition in the toolchanger/toolno-pocket-differ test
• tests: longer timeout in halui jogging test
• tests: test names= and counts= of halcompile-generated comps
• tests: loadrt must handle failure from rtapi_app_main
• tests: add a test of jogwheel jogging via Motion
• tests: fix a spurious failure of the tlo test
• tests: add arc radius tests

2014 Oct 22: 2.7.0~pre2

Changes since 2.6:

• Brand new trajectory planner.
• Support for the RT-Preempt realtime kernel (in addition to RTAI).