[time-nuts] 5370 controller topics (was: processor boards available)

Daniel Mendes dmendesf at gmail.com
Sun Mar 2 17:18:15 EST 2014

We should have a "Broadband Time-nuts" for this sort of thing. This 
topic is also of interest to me, and I have good pointers to give about 
how to implement it with minimum effort, but as the owner asked it to 
stop before I could reply i´m keeping quiet :)


Em 02/03/2014 19:09, John Miles escreveu:
> This is actually pretty interesting to me.  The questions of how to choose
> an RTOS and how to handle power management seem to be relevant engineering
> topics when discussing the 5370 processor boards.  It's not an academic
> question in the professional world, where certain instruments I won't name
> are based on a BSD variant running from a CF card with no power management
> at all.  The designers of those instruments blew off the issue entirely, as
> some are suggesting here.  As a result, users have to be warned explicitly
> not to power down the box immediately after changing any parameters
> (whatever that means), because it's been a genuine support problem for the
> company in the past.  That is not even remotely OK in my view, in either an
> amateur or professional context.
> My own embedded design experience has mostly been with trivial 8-bit
> applications at the low end and PC-hosted peripherals at the high end, so I
> don't have much insight into the middle ground where modern controller
> boards running full-fledged OSes need to operate autonomously.  So the
> thread has been an educational read for me, and very much on-topic.
> For those who don't want to deal with the thread drift, would it make sense
> to set up a separate group on febo.com, Yahoo Groups, or elsewhere to
> discuss these sorts of topics as they apply to John's 5370 work?
> -- john, KE5FX
> Miles Design LLC
>> -----Original Message-----
>> From: time-nuts-bounces at febo.com [mailto:time-nuts-
>> bounces at febo.com] On Behalf Of Tom Van Baak
>> Sent: Thursday, February 27, 2014 2:31 PM
>> To: Discussion of precise time and frequency measurement
>> Subject: Re: [time-nuts] 5370 processor boards available
>>> But we really are drifting away from the main thread.
>> Yes, indeed. It's time to wrap up the operating system and file system
>> tangents and get back to time & frequency.
>> Those of you with positive suggestions for improvements of the 5370
>> processor mod kit can email them to John Seamons directly. He has done an
>> incredible job and the direction this thread has taken is unfortunate.
>> /tvb
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