[time-nuts] Beaglebone NTP server

Henry Hallam henry at pericynthion.org
Thu Mar 27 13:32:59 EDT 2014

Thanks for all the hints everyone.  Lots to try!


On Thu, Mar 27, 2014 at 2:41 AM, Iain Young <iain at g7iii.net> wrote:
> On 26/03/14 23:18, Brian Lloyd wrote:
>> Well, yeah. I figured that I would run the 1pps from my T-bolt to a GPIO
>> line with appropriate clamping to 3.3V.
>> But if anyone has done this before and run into anything of note, that
>> would be nice to know ahead of time.
> Can I suggest you consider FreeBSD ? You can use the TIMER4-7 input pins
> as PPS input for a better PPS. See the following URL for details:
> http://lists.freebsd.org/pipermail/freebsd-arm/2013-February/004769.html
> If I recall correctly, the patch is in the FreeBSD 10 snapshots for the
> Beaglebone, so you don't need to apply it, but you will need to enable
> PPS and ensure one of the four TIMER pins is set to input in the DTS
> and recompile.
> Iain
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