Re: Contribute to the project the right way

2018-08-12 Thread Mark Atwood, Project Manager via devel
You are on the right track. You are discovering how git workflows work. Feel free to keep asking questions on this mailing list. Also, feel free to write up your experience, as a blog post, and to suggest improvements to our HACKING.txt document. Thank you for playing with NTPsec, and welcome!

Contribute to the project the right way

2018-08-12 Thread MIKE MAJOR via devel
Hello all, I would like to start proposing some changes to the HOWTO. Originally I assumed that I would clone the repo to my local computer, make changes and push them back to the repo. I've spent some time today learning about gitlab and projects and contributing. Now I think that the correct

Re: [ntp:hackers] u-blox reference clock driver

2018-08-12 Thread Gary E. Miller via devel
Yo Achim! On Sun, 12 Aug 2018 08:27:47 +0200 Achim Gratz via devel wrote: > Gary E. Miller via devel writes: > >> And will it work with the Navisys TR units? > > > > Dunno, I have no info on that GPS. It does need access to the > > EXTINT0 pin on the u-blox. I think EXTINT0, for timing, is o

Re: [ntp:hackers] u-blox reference clock driver

2018-08-12 Thread Gary E. Miller via devel
Yo Achim! On Sun, 12 Aug 2018 09:33:36 +0200 Achim Gratz via devel wrote: > > The results are an average PPS jitter of 222 ns! > > Well, yes -- if you measure and eliminate the interrupt latency, which > by far dominates the jitter in the normal PPS processing, then the > residual jitter goes

Re: [ntp:hackers] u-blox reference clock driver

2018-08-12 Thread Gary E. Miller via devel
Yo Udo! On Sun, 12 Aug 2018 11:05:20 +0200 Udo van den Heuvel wrote: > On 11-08-18 23:03, Gary E. Miller via devel wrote: > > I've never found a good list of which products are FTS. I think the > > LEA-M8F, LEA-M8T and NEO-M8T are FTS. Likely a few others, but not > > the basic NEO-M8L, M, N,

Re: [ntp:hackers] u-blox reference clock driver

2018-08-12 Thread Udo van den Heuvel via devel
On 11-08-18 23:03, Gary E. Miller via devel wrote: I've never found a good list of which products are FTS. I think the LEA-M8F, LEA-M8T and NEO-M8T are FTS. Likely a few others, but not the basic NEO-M8L, M, N, Q or S variants. Interesting info! Also: how could we interface these clocks to x8

Re: Fw: [ntp:hackers] u-blox reference clock driver

2018-08-12 Thread Achim Gratz via devel
Gary E. Miller via devel writes: > He added a u-blox driver to ntpd, and modifed the kernel to reflect the > PPS pulse back to the u-blox. The u-blox measures the round trip time > and provides a correction back to the driver. As far as the analysis of the error sources goes, this is a bit on the