From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Howard Lee Harkness <howard.lee.harkness@gmail.com>
Cc: Xenomai@xenomai.org
Subject: Re: [Xenomai] Seeking recommendations for SBC with precision timer
Date: Fri, 26 Oct 2012 19:06:35 +0200 [thread overview]
Message-ID: <508AC31B.8070805@xenomai.org> (raw)
In-Reply-To: <CAMVghhUq3KUEEK32aSfap3jKbsgaZCDMErQqhzpeOSJ8pYz3Ng@mail.gmail.com>
On 10/26/2012 06:34 PM, Howard Lee Harkness wrote:
> Ah, that looks like it might be the solution. Need to dig a bit deeper on
> this subject.
If you use the the RTDM API, you would use the rtdm_task_busy_sleep
routine:
http://www.xenomai.org/documentation/xenomai-2.6/html/api/group__rtdmtask.html#gaa3940cfff7cc72d7bc064a3e279d74ac
>
> Back last time I was doing this sort of thing, I was using a 286, which
> didn't have a TSC. Plus I only had to do about 500 us resolution on the
> timings. I contracted with a friend to do a simple countdown timer for the
> PC bus, which did the trick. That was more than 15 years ago. The
> semiconductor testing business has gotten a little more complex since then.
I have to admit that when I had a 286, I was still in high-school
and programming it in Turbo Pascal for plotting function graphs
for my math assignments...
--
Gilles.
prev parent reply other threads:[~2012-10-26 17:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-26 12:22 [Xenomai] Seeking recommendations for SBC with precision timer Howard Lee Harkness
2012-10-26 12:36 ` Nicholas Mc Guire
[not found] ` <CAHzTO8nxt5KcK_mekgArQXqdLGQC=d3bWFBse=H6cZmpRvon-A@mail.gmail.com>
2012-10-26 14:46 ` Howard Lee Harkness
2012-10-26 15:11 ` Gilles Chanteperdrix
2012-10-26 16:34 ` Howard Lee Harkness
2012-10-26 17:06 ` Gilles Chanteperdrix [this message]
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