[arm-allstar] How to generate PL

[Doug Crompton]

Tom,

  You are correct that simpleusb does not encode/decode PL and usbradio
does. You can use usbradio and it will work but in its current state the
audio is not as good as simpleusb. If you can live with that then go ahead
and use it. There is no automated setup for it however.

Personally if I had a radio that required PL I would get a com-spec TS64. I
use one in a commercial repeater that had no PL. It is an encoder/decoder
with a lot of features. It will interface nicely to Allstar nd simpleusb.
There is one on ebay right now at a good price!


*73 Doug*

*WA3DSP*

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


On Mon, Jun 12, 2017 at 12:42 PM, "Tom Hayward via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> I would like to generate PL any time the audio path (receiver or link)
> is active, but not during hang time, courtesy tone, or IDer. I am
> using a Raspberry Pi 2 (I have a spare RPi 3 and various PCs if
> needed), the transmitter and receiver are CDM750s, and the audio
> interface is a RIM-Maxtrac-RM. This seems to be a frequently asked
> question, but I'm still not sure what the best practice is. Here is
> what I understand:
>
> - simpleusb cannot generate PL
> - usbradio can generate PL, but distorts the link audio
> - I could generate PL with the transmitter, but this would add PL to
> the hang time, courtesy tone, and IDer. Not what I want. (Are the any
> programming tricks I can do in the CDM to toggle PL generation?)
> - I could generate PL with an external encoder, but it's still not
> clear to me how to give it an enable/disable signal when the audio
> path is active.
>
> What is the best practice here? What have others done?
>
> Tom KD7LXL
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