Re: [Emc-developers] Cylindrical Square - off topic

2019-08-06 Thread Chris Lesiak
Stuart, Thanks for posting this to the list.  I showed it to my optimistic coworker who said, "Now he has two (semi)cylindrical squares." -- Chris Lesiak Principal Design Engineer, Software LI-COR Biosciences 4647 Superior Street Lincoln, NE 68504 USA chris.les...

Re: [Emc-developers] normal.z=0.039370

2015-10-12 Thread Chris Lesiak
a vector about which the coordinate system is rotated by angle R. It is possible to have two G68 transformations active at once, the second applied on top of the first. G69 cancels all G68 coordinate transformations. -- Chris Lesiak Principal Design Engineer, Software LI-COR, Inc. chris.les...

Re: [Emc-developers] let's write rtapi_stdatomic.h (was More trouble for LinuxCNC's memory model on ARM)

2015-08-04 Thread Chris Lesiak
be other problems lurking. Is the overwrite really required? Drop, as in streamer, is much simpler. -- Chris Lesiak Principal Design Engineer, Software LI-COR, Inc. chris.les...@licor.com Any opinions expressed are those of the author and do not necessarily represent those of his employer

Re: [Emc-developers] let's write rtapi_stdatomic.h (was More trouble for LinuxCNC's memory model on ARM)

2015-08-03 Thread Chris Lesiak
.IP \fBvolatile A*\fR \fIobj\fR -- Chris Lesiak Principal Design Engineer, Software LI-COR, Inc. chris.les...@licor.com Any opinions expressed are those of the author and do not necessarily represent those of his employer

Re: [Emc-developers] let's write rtapi_stdatomic.h (was More trouble for LinuxCNC's memory model on ARM)

2015-07-22 Thread Chris Lesiak
exists. -- Chris Lesiak Principal Design Engineer, Software LI-COR, Inc. chris.les...@licor.com Any opinions expressed are those of the author and do not necessarily represent those of his employer

Re: [Emc-developers] Emc-developers Digest, Vol 111, Issue 6 (Memory access reordering)

2015-07-22 Thread Chris Lesiak
not defined then accessing several volatile variables on the same row. Modern optimizing compilers will probably not read and right in the order you want. If you need somthing else you'll need to give it constraints. -- Chris Lesiak Principal Design Engineer, Software LI-COR, Inc. chris.les

Re: [Emc-developers] More trouble for LinuxCNC's memory model on ARM

2015-07-22 Thread Chris Lesiak
of it applies to C11 as well. -- Chris Lesiak Principal Design Engineer, Software LI-COR, Inc. chris.les...@licor.com Any opinions expressed are those of the author and do not necessarily represent those of his employer

Re: [Emc-developers] More trouble for LinuxCNC's memory model on ARM

2015-07-21 Thread Chris Lesiak
Instead of using __sync_synchronize, would you consider requiring --std=c11 so that stdatomic.h can be used? That can give you just as much ordering as you require. -- Don't Limit Your Business. Reach for the Cloud.

Re: [Emc-developers] Off Topic - Thread-safety in Arduino

2014-09-05 Thread Chris Lesiak
-of-2 http://channel9.msdn.com/Shows/Going+Deep/Cpp-and-Beyond-2012-Herb-Sutter-atomic-Weapons-2-of-2 -- Chris Lesiak Principal Design Engineer, Software LI-COR, Inc. chris.les...@licor.com Any opinions expressed are those of the author and do not necessarily represent those of his employer

Re: [Emc-developers] ubc: inconsistent behavior in posix flavor vs others

2014-03-07 Thread Chris Lesiak
Weapons, I think you'll find it enlightening. -- Chris Lesiak Principal Design Engineer, Software LI-COR, Inc. chris.les...@licor.com Any opinions expressed are those of the author and do not necessarily represent those of his employer

Re: [Emc-developers] Naive CAM behavior

2014-03-04 Thread Chris Lesiak
will be a real head-scratcher. Someone complained about this non-parallel behavior on www.practicalmachinist.com a few months back. -- Chris Lesiak Principal Design Engineer, Software LI-COR, Inc. chris.les...@licor.com Any opinions expressed are those of the author and do not necessarily

Re: [Emc-developers] found a really god pdf on rt-preempt programming ...

2012-08-30 Thread Chris Lesiak
and provide interrupt and io access to use mode programs. -- Chris Lesiak chris.les...@licor.com Any opinions expressed are those of the author and do not necessarily represent those of his employer. -- Live Security

Re: [Emc-developers] Development question: interpreter's handling of tool changes for lathe

2012-05-09 Thread Chris Lesiak
yourself. -- Chris Lesiak chris.les...@licor.com Any opinions expressed are those of the author and do not necessarily represent those of his employer. -- Live Security Virtual Conference Exclusive live event will cover

Re: [Emc-developers] Development question: interpreter's handling of tool changes for lathe

2012-05-09 Thread Chris Lesiak
to account for tool wear, then it is just a convenience. You could certainly achieve the same thing by adjusting the geometry offset. But the second and third reasons for using wear offsets (that don't have anything to do with tool wear) that I mentioned in my earlier message remain. -- Chris

Re: [Emc-developers] [patch] improve task debug and readahead code cleanup

2009-06-03 Thread Chris Lesiak
. The variables readRetval and execRetval should probably also have their scope reduced. If you don't want to make these changes yourself, I'll submit a patch myself after the switch to git. -- Chris Lesiak chris.les...@licor.com

[Emc-developers] [PATCH] Fix modbus compilation on 64 bit Fedora

2009-06-02 Thread Chris Lesiak
This fixes compilation problems related to modbus on 64 bit Fedora. Fedora stores the glibconfig.h file in /usr/lib64/glib-2.0/include/. Use GLIB_LIBS and GLIB_CFLAGS instead of hard coded values. Signed-off-by: Chris Lesiak chris.les...@licor.com --- diff --git a/src/hal/user_comps