On 2/11/22 18:19, andy pugh wrote:
On Sat, 12 Feb 2022 at 00:07, Andy Howell wrote:
Its no pretty. Jitter is about 8. I had a look through bios
settings, but nothing jumped out at me.
Any ideas to improve it?
Which realtime system did you use? (at a guess, preempt-rt?)
Are you plan
Hi Gene,
A couple of questions:
I think you started with a rpi3, how does the rpi4 compare?
How do you wire the gpio on the rpi4 to the 7i90HD? any links for cables etc?
Thanks, Martin
On Thursday, February 10, 2022 3:05:57 PM EST Chris Albertson wrote:
> Yes
I'm impressed with the Pi4 for embedded computing.
I have a Pi4 right here on my desk that is running a robotic motion control
application. It does a full kinematic solution for a 12 degree of freedom
waking "dog" robot. This involves many 4x4 matrix multiplications and
dozens of forward and i
On Sat, 12 Feb 2022 at 00:07, Andy Howell wrote:
> Its no pretty. Jitter is about 8. I had a look through bios
> settings, but nothing jumped out at me.
>
> Any ideas to improve it?
Which realtime system did you use? (at a guess, preempt-rt?)
Are you planning to use the parallel port? If
I installed LinuxCNC 2.8.0 iso. on this:
https://www.onlogic.com/pd14ri/
Its no pretty. Jitter is about 8. I had a look through bios
settings, but nothing jumped out at me.
Any ideas to improve it?
Thanks.
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On 2/11/22 05:36, gene heskett wrote:
Enter the 7i42TA, the protection magic for
the 7i90HD, but it takes 3 of them. Now I think it would survive the EMP
of a tactical nuke.
Glad we have a post apocalyptic solution. :)
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On 2/11/22 03:51, Rob C wrote:
run:
lscpu
post the reply / contents
you can also try:
nproc --all
that processor should have a good single core speed.
are you using isolcpus within grub?
there are mixed points of view about isolcpus and whether or not
its relevant. Personally I use it and it
On 2/11/22 08:50, Sebastian Kuzminsky wrote:
Those tests run for a long time normally. Try `runtests -v` to get
output while the tests are running.
-- Sebastian Kuzminsky
Sorry, I should have posted this to the developer list. Too blurry-eyed
last night :)
I found the problem. I had somethi
Those tests run for a long time normally. Try `runtests -v` to get output
while the tests are running.
--
Sebastian Kuzminsky
On February 10, 2022 11:39:58 PM MST, Andy Howell wrote:
>When I run the test suite there are a number of tests that seem to
>hang. It could be I am just impatient.
On Thursday, February 10, 2022 3:05:57 PM EST Chris Albertson wrote:
> Yes, "Mini ITX" is just a shape and a standard for where mounting holes
> go but it is a shape that is sold to a cost-sensitive market where low
> power ususage and low cost maters. The ITX market is large enough
> that mass pr
run:
lscpu
post the reply / contents
you can also try:
nproc --all
that processor should have a good single core speed.
are you using isolcpus within grub?
there are mixed points of view about isolcpus and whether or not
its relevant. Personally I use it and it seems to provide better latency
res
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