ublox refclock

[Udo van den Heuvel]

On 28/09/2018 20:34, Gary E. Miller via devel wrote:
>>> Is there any point to it without the matching kernel driver?
>>
>> Tom added echo functionality to the LPT PPS client. (not yet in the
>> kernel but we can test...)
> 
> Maybe you can test, I have no way to test.
> 
>> So if we can have ublox data via USB, we can have PPS/ECHO via LPT.
> 
> I'm lost, what does USB have to do with anything?

The ublox module https://www.csgshop.com/product.php?id_product=240 has 
USB via e.g. this breakout board 
https://www.csgshop.com/product.php?id_product=239; USB provides power 
and data connection.

>> Else, we have to enable some NMEA messages on the ublox and do
>> similar with NMEA and PPS clocks.
> 
> I'm still lost...  But that is not a problem.  Go forth, test, code,
> repeat.  When it works for you, and the PPS patches are in the kernel,
> tell us how it works and we'll patch ntpd.

OK great news!

Kind regards,
Udo