[time-nuts] Best OS for small time server
M. Warner Losh
imp at bsdimp.com
Sun Feb 24 10:20:36 EST 2008
In message: <39C09AD3-63A9-418C-8B30-A926901F9AA9 at rob-vassar.com>
Robert Vassar <rvassar at rob-vassar.com> writes:
: It doesn't have full flow control. No DCD pin. I was thinking USB
: serial dongle, but I don't think that would work. It doesn't
: implement an a high priority interrupt like a traditional PC com
: port. I think some of the antique versions of NTPD supported using
: RD. The GPIO pin might be made to work, but you're off in to custom
: refclock coding.
Custom refclock coding isn't so bad... Usually it is just a second fd
that you can get the pps info from...
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