[App_rpt-users] Using DSP on Rasberry Pi?

Tue Nov 28 22:06:32 UTC 2017

Been a while, but found that radio has PL receive on it.. it’s just not very well implemented. Squelch needs to be up to make it work, but any other signal with any tone or no tone will open the squelch if the mic isn’t bumped first.

From: stan siems [mailto:ssiems at mycns.net] 
Sent: Tuesday, November 28, 2017 1:55 PM
To: John Griffith <jcarl.griffith at gmail.com>
Subject: Re: [App_rpt-users] Using DSP on Rasberry Pi?

how did you get it to work with tone squelch? if you use the cos for keying it will be open. I have a 220 repeater using a tyt 9000 rec at a remote site at 170 ft and transmitter 1/2 mile away at 120 ft using uri ras pi over ubiquity data link. I am going to try placing a ctcs tone decoder in the tyt rec as I can not locate the tone decode sig in the radio. If you hook it up with cos it will key up the xmtr but will have no audio I f the person transmitting has no tone

On 11/28/2017 12:40 PM, John Griffith wrote:

Yes, a URI. I use that same radio for receive myself. 

The discriminator audio is pin 4 on DE-9 header near the right edge of the main board.

Pin 1: Ground          —–>       DE-9 Pin 1
Pin 2: TX Audio      —–>       DE-9 Pin 2
Pin 3: COS                —–>       DE-9 Pin 3
Pin 4: RX Audio      —–>       DE-9 Pin 4
Pin 5: PTT                —–>       DE-9 Pin 5
Pin 6: +5VDC          —–>       DE-9 Pin 9

From: App_rpt-users [mailto:app_rpt-users-bounces at lists.allstarlink.org] On Behalf Of Mark Johnston
Sent: Tuesday, November 28, 2017 11:33 AM
To: Users of Asterisk app_rpt  <mailto:app_rpt-users at lists.allstarlink.org> <app_rpt-users at lists.allstarlink.org>
Subject: Re: [App_rpt-users] Using DSP on Rasberry Pi?

Are you using a URI?  I have had great success with https://www.amazon.com/gp/product/B01LWNQA85/ref=oh_aui_detailpage_o00_s00?ie=UTF8 <https://www.amazon.com/gp/product/B01LWNQA85/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1> &psc=1 radio and using COS, not sure where to pull discriminator audio from, if you know that would be great!

Mark

**** North West Hub Allstar Node 2295 <http://www.markjohnston.us/nwhub>  ****

"Got Root?"

How many software engineers does it take to change a light bulb?

None. It's a hardware problem.

The best way to accelerate a computer running Windows is at 9.81 m/s².

"I get paid to support Windows, I use Linux to get work done."

On Tue, Nov 28, 2017 at 8:03 AM, John Griffith <jcarl.griffith at gmail.com <mailto:jcarl.griffith at gmail.com> > wrote:

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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-- 
Thanks Stan Siems WB0EMJ The difficult we do right away the impossible just takes a little longer and the words it can't be done should never be spoken!

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