rpi serial port and GPS hat

[Ronald Klop]

An addition to the notes.


- Make a backup.


😉😀


Regards,
Ronald.


Van: Per olof Ljungmark <peo at nethead.se>
Datum: 22 augustus 2020 15:20
Aan: "freebsd-arm at freebsd.org" <arm at freebsd.org>
Onderwerp: rpi serial port and GPS hat

> 
> 
> A couple of years ago with the help of this list I built a NTP server based on a RPI3B and 12-current and an Adafruit GPS hat.
> 
> Now the SD card in the Pi decided it was time to give up so I thought I'd just replace it and rebuild it based on my notes from that time.
> 
> So far I have accomplished,
> 
> Build an image with a PPS kernel and the pps-gpio.dtbo
> Silence the serial console so that the Pi boots with the hat on
> 
> What remains is to have the NMEA sequences to show up on uart0, currently they are at uart1 as I would like to try gpsd as well.
> 
> Assuming I need to recompile a .dtb file, which one should I look into? The board is marked "Pi 3 Model B v1.2"
> 
> Any help appriciated, especially if someone could post the patch needed as my notes are insufficient.
> 
> Thanks,
> 
> Per
> 
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