Re: [gpsd-users] TOFF and PPS values from gpspipe

[Gary E. Miller]

Yo Kaya!

On Thu, 29 Aug 2019 15:17:05 +0100
Kaya Saman <address@hidden> wrote:

> > At least that gives you a starting point.  When you get someething
> > running we would appreciate a copy we can share with the next
> > person.
> >
> > [ Snip]  
> 
> 
> I created a folder to show what I've done. It's a pretty custom job 
> based around 2x Pine64-LTS SBC's. The 3rd Pine is just for messing 
> around with and trying out stuff.

I was hoping for running code, but that is also interesting.

> Basically both Pine's run FreeBSD 13-Current. The one with a green
> color display is linked to a Garmin 18x-LVS

Ouch. The 18x is ancient and obsolete.

https://ncloud.optiplex-networks.com/index.php/s/y5ggsWKDpgzCfDN

Annoyingly slow, so I did not have the time to look at more than a few...

> I'm using uart2 for the displays and uart4 for the GPS. Quick note:
> the PPS signal I inverted in the OS after tests with the shifter
> showed that the output was inverting the original ->
> dev.uart.4.pps_mode=17

No need.  gpsd automagically selects the proper edge.

> As mentioned the Newhaven's don't have an Lcdproc driver which I will 
> need to look at in the future. They are based on the HD44780 codeset
> but it is converted on the PCB from separate commands centric to the 
> Newhaven serial range of displays. <- this is because they have I2C
> and SPI interfaces as well.

Those seem to be more and more common.  They usually work too.

> Overall it's a large project which I've had to build from the ground
> up including re-designing and wiring the whole buildings electrical
> layout. But it was well worth it eventually as the system seems to
> have become more intelligent then me at the moment lol :-) :-)

Kill it before it attains sentience.  :-)

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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