On 9/19/23 20:12, Peter Wallace wrote:
On Tue, 19 Sep 2023, gene heskett wrote:
Date: Tue, 19 Sep 2023 19:23:23 -0400
From: gene heskett
Reply-To: "Enhanced Machine Controller (EMC)"
To: "'Enhanced Machine Controller (EMC)'"
Subject: [Emc-users] question for Peter
On 9/19/23 20:12, Peter Wallace wrote:
On Tue, 19 Sep 2023, gene heskett wrote:
Date: Tue, 19 Sep 2023 19:23:23 -0400
From: gene heskett
Reply-To: "Enhanced Machine Controller (EMC)"
To: "'Enhanced Machine Controller (EMC)'"
Subject: [Emc-users] question for Peter
On Tue, 19 Sep 2023, gene heskett wrote:
Date: Tue, 19 Sep 2023 19:23:23 -0400
From: gene heskett
Reply-To: "Enhanced Machine Controller (EMC)"
To: "'Enhanced Machine Controller (EMC)'"
Subject: [Emc-users] question for Peter C. Wallace
Greeting Peter;
I hope this f
Greeting Peter;
I hope this finds you well.
I am installing a new A axis on my go704, and am trying to exercise it
before moving 99% of the actual driver code code in from another machine
with identical hdwe for its B axis.
I have loaded a siggen to use its triangular drive as input to the
If you are looking for a small uP to use as a real-time controller, today
in 2017 its the ARM cortex M. The range is wide enough that you can find
one to suit. At the low end there is nothing to be gained by going with
say, Atmel AVR or some other 8-bit chip and at the high end are some
> > Maybe there is no need for a linux kernel. Have you read the manual for the
> > ARM CPU? Or what kind of CPU is it?
>
> RPI3 uses a quad-core ARMv8 (Cortex-A53) with all kinds of bells and
> whistles. Have you read the manual for that core?
No and I did not read the manual for the smaller
On 06/13/2017 07:34 AM, Nicklas Karlsson wrote:
> Maybe there is no need for a linux kernel. Have you read the manual for the
> ARM CPU? Or what kind of CPU is it?
RPI3 uses a quad-core ARMv8 (Cortex-A53) with all kinds of bells and
whistles. Have you read the manual for that core?
I've been
On Monday 12 June 2017 17:16:05 Bertho Stultiens wrote:
> On 06/12/2017 11:04 PM, Gene Heskett wrote:
> >> Do the real time threads work well on a raspberry?
> >
> > Definite sometimes, Nicklass. latency-test actually shows less
> > jitter with a stock kernel, but figures lie. I am getting joint
On 06/12/2017 11:04 PM, Gene Heskett wrote:
>> Do the real time threads work well on a raspberry?
> Definite sometimes, Nicklass. latency-test actually shows less jitter
> with a stock kernel, but figures lie. I am getting joint following
> errors with the stock kernel and 15 minute maximum
On Monday 12 June 2017 14:02:28 Nicklas Karlsson wrote:
> > Hello Peter;
> >
> > I have a problem trying to run linuxcnc on a pi 3b.
> >
> > I think it could be solved if somehow, I could generate a
> > watchdog.has_bit=false coincident with enabling the machine, but
> > hals parser refuses to
On 06/12/2017 09:30 PM, Nicklas Karlsson wrote:
>> Lets just say that we're not that far yet...
>> From what I can tell, the initial start of linuxcnc results in a few
>> missed deadlines in the main task. But once all code is cached, it seems
>> to be fast enough. But time will tell.
>
> I also
users@lists.sourceforge.net>
> > To: "Enhanced Machine Controller (EMC)"
> > <emc-users@lists.sourceforge.net> Subject: [Emc-users] Question for
> > Peter C. Wallace
> >
> > Hello Peter;
> >
> > I have a problem trying to run linuxc
> Lets just say that we're not that far yet...
>
> From what I can tell, the initial start of linuxcnc results in a few
> missed deadlines in the main task. But once all code is cached, it seems
> to be fast enough. But time will tell.
I also one missed dead line during the initial start. I have
On 06/12/2017 08:02 PM, Nicklas Karlsson wrote:
> Do the real time threads work well on a raspberry?
Lets just say that we're not that far yet...
>From what I can tell, the initial start of linuxcnc results in a few
missed deadlines in the main task. But once all code is cached, it seems
to be
> Hello Peter;
>
> I have a problem trying to run linuxcnc on a pi 3b.
>
> I think it could be solved if somehow, I could generate a
> watchdog.has_bit=false coincident with enabling the machine, but hals
> parser refuses to allow even a tristate_bit module to access and reset
> the watchdog.
ists.sourceforge.net>
Subject: [Emc-users] Question for Peter C. Wallace
Hello Peter;
I have a problem trying to run linuxcnc on a pi 3b.
I think it could be solved if somehow, I could generate a
watchdog.has_bit=false coincident with enabling the machine, but hals
parser refuses to allo
Hello Peter;
I have a problem trying to run linuxcnc on a pi 3b.
I think it could be solved if somehow, I could generate a
watchdog.has_bit=false coincident with enabling the machine, but hals
parser refuses to allow even a tristate_bit module to access and reset
the watchdog.
Have you a hal
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