[arm-allstar] PTT and COR on GPIO

[Doug Crompton]

I am not sure what you are referring to. We do not currently support Pi
GPIO or other than USB sound modules (FOB's). Sometime in the future a
channel driver update will probably allow this option but not now. We have
been around and around on this many times. The best way to do GPIO
(PTT/COS) is on the USB along with the audio. Having it split over on the
Pi GPIO really solves little as you still have to build up the interface
circuitry. If you can't solder two small leads onto the end pins of a
surface mount chip then you probably couldn't do that either. There are
also other downsides to playing with Pi GPIO. There are ample USB FOB
choices from modifying it yourself for less than $10 in parts to a DMK-URI
at $70 plus shipping with several other in between. We are also about to
make a FOB for sale and services are available to buy modified FOBS.


*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*


On Mon, Jul 16, 2018 at 10:10 AM, "KD2NFC, Joe Puma via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> You can use the RPi GPIO when using other sound modules but the modules
> are not included in the hamvoip build. It would be great if Doug can
> include it in his build but he helped me compile other sound modules that
> use the GPIO on the Raspberry Pi.
>
> Joe
> Kd2nfc
>
> Sent from my iPad
>
> > On Jul 10, 2018, at 11:33 AM, Roger Coudé via arm-allstar <
> arm-allstar at hamvoip.org> wrote:
> >
> > I just found in the simpleusb tool that you can select pp and ppinvert
> as cor source.Does that mean that the COR-PTT function via the RPI GPIO has
> been implemented?If so, is there an example somewere showing how to
> configure the thing?I have some sound cards with the chip glued that I
> would be happy to use in my projects.Now that it is not possible to order
> Rim Lite from Canada, that would be an alternative for those who are not
> equiped to perform surface mount soldering.73Roger VE2DBE
> > _______________________________________________
> >
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> >
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