[App_rpt-users] Using DSP on Rasberry Pi?

Tue Nov 28 17:47:00 UTC 2017

I’m responding again because I realized I didn’t respond to the board as well.

Thank you Dave. I may need your expertise. My goal is to try again with the Pi, using DSP, without breaking Crompton (or any other distribution, I don’t care which one is used) features. I know DSP can work on a Pi, as I had great success discussed before, but I never could get telemetry and other stuff working as so many things were mismatched.

From: Dave P [mailto:tdydave at gmail.com] 
Sent: Tuesday, November 28, 2017 10:31 AM
To: jcarl.griffith at gmail.com; Jim Pilgram <jim.pilgram at gmail.com>
Subject: Fwd: [App_rpt-users] Using DSP on Rasberry Pi?

Greetings John,

I pulled this off the reflector to provide local support.

I'm over here in Queen Creek and I've built a number of RaspBerry PI2 & 3 using Crompton's build.  Jim NH6HI and a couple others  run the Hawaiian Mainland Allstarlink Network (here is our website: http://wh6av.org/am2.html)  My node is in a Data Center in SFO 28508 and I have simplex node on 220 in Queen creek in a dummy load.

I'd be glad to see your system.  What is the make and model of the repeater?  Are u using a separate controller or are you using the RPI3 as the controller?  We use simpleUSB-Tune-Menu to adjust the audio.  I used to run ACID back in the day and found the new Crompton build to be the best.  I'd be glad to help what I know.

73 and aloha

Dave - AH6OD  28508/28387/27196

cell: 808-319-7092

home: 703-794-2111

---------- Forwarded message ----------
From: John Griffith <jcarl.griffith at gmail.com <mailto:jcarl.griffith at gmail.com> >
Date: Tue, Nov 28, 2017 at 9:03 AM
Subject: [App_rpt-users] Using DSP on Rasberry Pi?
To: Users of Asterisk app_rpt <app_rpt-users at lists.allstarlink.org <mailto:app_rpt-users at lists.allstarlink.org> >

About 4 months ago, I loaded Crompton on my Pi and transferred all the config files over from my ACID box.

My current repeater uses ACID on an old fanless PC, and it happens to also have DSP configured for receive.  The Pi 3 actually worked well, my Pi 3 handling the extra load from using DSP quite well. What broke however, was everything else. I had copied quite a bit over to get it to work, not just conf files. It's been a while, I don't remember exactly what all I copied over, but it was entire directories. Then, it was no longer able to run USB tune or even the new features that replaced it because the conf files are not compatible with the new system. I went back to my old ACID installation on my PC after hopelessly breaking my Crompton attempt.

Fast forward to now. I have my repeater running off a solar panel, but the computer is too big a draw to keep the system running over night. I want to return to a Pi installation. I've tried configuring COS from the radio, but it has a nasty habit of not going out of COS once a received signal terminates. I REALLY want to use DSP as I've spent countless hours trying to make COS work properly and not achieving good success.

Is there a way of making DSP work on a Pi without breaking stuff? Or is there a proper way of bringing my ACID setup over to my Pi successfully?  Not even looked at DIAL, is it compatible with DSP, if it is, can it be brought over to Pi?

John
N7OKN

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