That is really excellent. I don't know if I suggested this before
publicly... optional stepper output to make more than one step in a
interrupt, up to n steps (8, 10, 100, whatever). I have
microcontroller input on the microstepping and it can read the
quadrature outputs from PC at any speed up to "100MPH".

On 9/25/07, Alex Joni <[EMAIL PROTECTED]> wrote:
> I am very happy to announce that we are starting the process of releasing
> emc2.2.0
> This includes a feature-freeze (no new features added - except new drivers),
> and a bugfixing and testing phase, after which we'll release the 2.2.0
> version.
> I would also like to thank our new Release Manager for stepping up for the
> job. Jeff Epler has been a real driving force in the project lately, adding
> lots of the new features in 2.2.x, yet he found the time to take the release
> manager job (overview the release procedure, coordinate work/bugfixes, and
> build/sign packages for the supported platforms).
>
> What does this mean to you?
>  - translators should get busy updating the strings
>  - driver authors should test that the sample configs run without issues
> (sometimes it's enough if someone with the appropriate board tries the
> config, and notifies of any issues)
>  - adventurous users should start testing the latest version, and notify of
> any issues
>  - people working on documentation should take the chance and review/update
> docs
>  - regular users: relax and wait for the release including quite a big list
> of changes:
>
>   * lots of bugfixes
>   * halui - mdi commands triggered by HAL pins
>   * stepconf - GUI to configure parport "step+direction" machines
>   * classicladder improvements: auto assignment of symbol names, tool tips
> to describe buttons
>   * doublestep - double steprate for parport based steppers
>   * check inputs from g-code (read input, wait for input)
>   * G41.1, G42.1, G43.1 to take tool parameters from gcode instead of tool
> table
>   * split libposemath and libemcini from libnml
>   * new userspace driver: input
>   * new inifile item: [HAL]SHUTDOWN, a .hal file run at a clean shutdown of
> emc
>   * new component: deadzone
>   * new component: tristate_float
>   * new component: random
>   * new components: clarke2 clark3 clarkeinv
>   * new hardware driver: pci_8255 for a PCI multiple-8255 card
>   * scara robot sample configuration with visualization
>   * opengl machine visualization, starting with puma-style robots
>   * new m5i20 firmwares
>   * userspace "comp"
>   * tapered in/out on multipass threading canned cycle
>   * debug and print output from the interpreter
>   * named parameters in the interpreter
>   * puma robot kinematics
>   * sample configuration for a puma robot
>   * reduce quantization of the encoder module's velocity output
>   * MDI history manipulation and save in AXIS
>   * home to index on STG1
>   * number of samples in halscope can be specified at runtime
>   * add 'source' command to halcmd
>   * add tcl interface to halcmd commands (tcl/hal.so)
>   * add "-U" (force unload) to halrun script
>   * new component: lut5
>   * image-to-gcode: roughing passes
>   * rs274.author: automatic arc recognition (used by image-to-gcode)
>   * Filters can now show progress bars in the AXIS window as they run
>   * U,V,W linear axes with fully coordinated motion
>   * probing in A,B,C,U,V,W axes is now allowed
>   * AXIS: touch-off in any coordinate system
>   * AXIS: allow starting an editor on the loaded gcode or tool table from
> the
>     File menu
>   * AXIS: A much better Velocity display
>   * AXIS: Preferences set on the View menu are saved for the next EMC run
>   * Rigid tapping G33.1
>   * Feed Per Revolution and Constant Surface Speed for lathes
>   * Index-only homing for configurations where homing on a switch is
>     inconvenient
>   * G28/G30 now move only the specified axes to the home/reference point
>   * Improved error messages for incorrect arcs
>   * All combinations of inch/metric machines running inch/metric programs
> work correctly when using the tool table.  The tool table is always in
> machine units.
>   * Now any combination of XYZABCUVW axes can be defined, and trying to move
> an undefined axis causes a proper error message
>   * Tool change position can have an ABC component.  Previously rotary axes
> always moved to 0 for a tool change.
>   * Spindle speed override
>   * Optional stop
>   * Analog jogging in halui (for joysticks etc.)
>   * Fix several-second unresponsiveness when switching between two guis
> (even if one of them was halui)
>   * AXIS: Show machine limits with red dashed lines
>   * Pluto step/direction driver
>   * Halscope display now shows the trace name and parameters for each trace
>   * Halscope "roll" mode
>   * Halscope "AC" coupling of signals
>   * for SMP configurations, run EMC's realtime parts on the highest numbered
> CPU, since this can be isolated from the rest of linux using isolcpus
>   * x86_64 port
>   * powerpc port (sim only)
> <probably a couple left out.. will investigate more thoroughly before the
> release>
>
> Best regards,
> Alex Joni
>
>
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