Re: Gpiopps module

Thanks for the reply, I did have " "dtoverlay=pps-gpio,gpiopin=17” in config.txt but “pps-gpio.dtbo” was missing from
/boot/msdos/overlays.  I installed it after building the rpi-firmware from ports and it’s now working.

Regards
John

> On Jan 12, 2023, at 10:26 PM, Daniel O'Connor <darius@dons.net.au> wrote:
> 
> Hi John,
> 
> 
>> On 13 Jan 2023, at 10:03, John Rushford <jjrushford@gmail.com> wrote:
>> Other than this, the module doesn’t seem to be working properly.  Is there something I’ve missed?
> 
> I think to get it to attach you will need a device tree overlay to tell it which pin to attach to.
> 
> I see a few examples:
> https://forums.freebsd.org/threads/module-load-order-issue-freebsd-13-on-beaglebone-black-with-overlays.80861/
> https://forums.freebsd.org/threads/adafruit-ultimate-gps-hat-on-a-raspberry-pi-3b-and-freebsd-12.74798/
> https://forums.freebsd.org/threads/gpio-interupts-on-allwinner-h3.74892/
> 
> I haven't tried it myself though.
> 
> --
> Daniel O'Connor
> "The nice thing about standards is that there
> are so many of them to choose from."
> -- Andrew Tanenbaum
>