[arm-allstar] Pi GPIO usage

[Doug Crompton]

George,

  This forum represents the versions available at hamvoip.org. The latest
version is 1.02 for the Pi 2/3. There is also a readme associated with that
version which appears right after the download on the hamvoip.org page.
Because this version was released early in the Pi 3 cycle the wireless
scripts need to be downloaded separately which is explained in the readme.
Wireless on the Pi3 is fully supported and works well. Many of us are using
it. Since the Pi3 has built-in wireless that is the board we suggest for
using wireless and also for any new purchases. While wireless is possible
with the Pi2 you are basically on your own with the drivers because there
are so many FOBS out there and some work while others do not do so well.

The VK land version you are talking about for GPIO has been around for
awhile. We experimented with it and decided to take a different route. It
was a patch on top of already questionable code and did not work that well
i our opinion.

For now the best way to go is any of the commercial USB FOBS out there
including the DMK-URI or modifying a sound FOB as described on the
hamvoip.org web page. There are lots of howto's there on many aspects of
Allstar. Commercial FOBS are anywhere from $50 to $100 and a DIY
modification can be done for $5 or so but requires the ability to follow a
schematic and solder unfortunately some that is missing with many today.

Not to complicate things but we are coming out with a new version before
the end of the year that will support GPIO using an Arduino Nano. This will
allow you to use an unmodified sound FOB along with the Nano for I/O to the
radio. The combined two node price for the entire interface will be around
$10 assuming you put it together. This would also require some DIY
experience but no modification of a board and small (surface mount)
soldering. It looks like there will also be a commercial product for this
interface as an independent ham is working on that.

The new version will also have many other features beyond that making it
what we think will be the best small board Allstar release out there.

I have an Allstar hub in Philly which really is more then just the
immediate area. We often have nodes from all over the states and the world
connected. Feel free to contact me - Allstar 27225 or echolink 147090
(WA3DSP-L)

If you have any more questions I would be glad to answer them. It would be
nice to have another node on in the northern NJ area.



*73 Doug*

*WA3DSP*

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

On Sat, Nov 26, 2016 at 8:38 PM, George Csahanin via arm-allstar <
arm-allstar at hamvoip.org> wrote:

> Folks, not sure if this is the right forum for this question. Several
> versions of Asterisk/app_rpt for the Pi has me confused. I've seen
> reference to using internal pins on the Pi for COS/PTT, etc. I found
> instructions for it in Aussieland, tried it and it doesn't work. Did the
> Wifi mod as well, and it starts the wifi hardware but won't get an IP
> address. An older Pi I had added wireless tools to and the driver for a few
> adapters and it works fine, and copied the wpa_supplicant.conf file over
> but doesn't connect.
>
> So am I barking up the wrong tree here regarding the GPIO pins on the Pi
> as COS/PTT, etc? And I guess after ten hours at this today I'm just
> frazzled and need to walk away. Getting ACID and Limey were simple but it
> seems like there are many versions for the Pi and it isn't clear to me
> which is which/does what...
>
> Thanks everyone. Gonna watch some TV.
>
> GeorgeC
> W2DB
> Allstar 2360
>
> --
> George Csahanin
> 47 Mt. Ararat Ln
> Toms River, NJ 08753
> 732-255-2388 home
> 401-338-0568 cel
> http://dyb.com
>
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