[time-nuts] Beaglebone NTP server

Gregory Maxwell gmaxwell at gmail.com
Wed Dec 10 17:54:59 EST 2014


On Wed, Dec 10, 2014 at 9:58 PM, Brian Lloyd <brian at lloyd.aero> wrote:
> Well, I am hoping to get to the point where the path to using the BBB as an
> NTP server using the PRU for more precise timing, and using the LTE-lite to
> provide the 1pps and time data. Of course, the LTE-lite can also provide
> 1pps and 10MHz to my workbench. (It's all going to go in a 1U box in the
> rack next to my workbench.)
>
> Yes, I know that all the information is out there and much if it can be
> gleaned from this list by following several threads back through several
> months. But that brings to mind playing Adventure. Has anyone compiled a
> how-to for turning a BBB into an NTP server using the PRU for timing? Seems
> like a straight-forward and useful turn-key kind of thing.

Getting a BBB to take 10MHz refclk input (in the fashion of
http://www.febo.com/pages/soekris/)
and being able to timestamp _multiple_ PPS signals via the PRUs would
make for a pretty awesome time-nuts toy.



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