On Jun 20 2017 12:20 PM, Gene Heskett wrote:
On Tuesday 20 June 2017 13:03:01 EBo wrote:
On Jun 20 2017 10:47 AM, andy pugh wrote:
> On 20 June 2017 at 17:27, Bertho Stultiens <[email protected]>
>
> wrote:
>> It should work, but it is not "nice". There are several problems,
>> especially wrt. the RPi outputs. How did the design perform in
the
>> real
>> world?
>
> Hard to tell, this was a few years ago and using a kernel of
unknown
> quality.
> As in, it didn't work well when I tried it with a software stepgen
> at Wichita, but there were many other possible explanations for
the
> issues.
Anyone tried it with the new RPi-3's?
I am running it quite well on the the r-pi-3b's, newer single spi
interface on 3/4 ton of old Sheldon lathe. I say newer because the
hm2_rpspi.so driver I am running has grown some additional legs by
Bertho S. and was just accepted into master. It (the raspi-3b) is
kernel picky though, bad keyboard and mouse missfires with the newer
kernels like the 4.9.x. from Frank Durr.
4.4.4-rt9-v7+ is working the best here ATM. With a Mesa 7i90 in the
bottom of the pile, and 3 7i42TA's on top for surge suppression and
noise filtering to protect the 3.3 volt 7i90, not to mention giving
us a
decent place to terminate all the wires, I seem to be ready to rock &
roll. I am collecting tooling, and considering a 4 jaw chuck, and
I've
already made some of its parts to cnc it, on it. I have the 3 jaw
within about 1.5 thou of true, lots better than it was when we horsed
it
out of the cargo van here a year ago.
Thanks Gene for the update. All good to know. I will have to review
the kernel updates, and look into the keyboard and mouse missfires. All
that said it would be nice to get back to this...
EBo --
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