Using DSP on Rasberry Pi?

AllStarLink
1

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

2

I responded to Dave, but not the board, here it is again.

The receive radio is a TYT TH-9000. The transmit radio is a Yaesu ft-7800.

I found the 9000 has a more sensitive receiver, and the Yaesu has a better
transmitter, it doesn't "crackle"
During long transmissions like the TYT did. I'm using a standard URI.

···

-----Original Message-----
From: David McGough [mailto:kb4fxc@inttek.net]
Sent: Tuesday, November 28, 2017 9:51 AM
To: John Griffith <jcarl.griffith@gmail.com>
Subject: Re: [App_rpt-users] Using DSP on Rasberry Pi?

Hi John,

What kind of radios(s) or repeater are you using?

As the software developer of the hamvoip release, I'm interested to hear
experiences, good or bad.

Thanks,

73, David KB4FXC

On Tue, 28 Nov 2017, John Griffith 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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3

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@gmail.com]
Sent: Tuesday, November 28, 2017 10:31 AM
To: jcarl.griffith@gmail.com; Jim Pilgram jim.pilgram@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@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@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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4

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&psc=1 radio and using COS, not sure where to pull discriminator audio from, if you know that would be great!

Mark

···

On Tue, Nov 28, 2017 at 8:03 AM, John Griffith jcarl.griffith@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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**** North West Hub Allstar Node 2295 ****

“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.”

5

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@lists.allstarlink.org] On Behalf Of Mark Johnston
Sent: Tuesday, November 28, 2017 11:33 AM
To: Users of Asterisk app_rpt app_rpt-users@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&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 ****

“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@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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6

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@mycns.net]
Sent: Tuesday, November 28, 2017 1:55 PM
To: John Griffith jcarl.griffith@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@lists.allstarlink.org] On Behalf Of Mark Johnston
Sent: Tuesday, November 28, 2017 11:33 AM
To: Users of Asterisk app_rpt app_rpt-users@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&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 ****

“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@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!

7

Yes, I realized that.

I started with a clean bootable Crompton and started pulling stuff over after that. That’s when I realized I had a working repeater with DSP, but all the adjustment and telemetry features were broken.

···

From: Jeff W [mailto:jeffww@gmail.com]
Sent: Tuesday, November 28, 2017 2:53 PM
To: jcarl.griffith@gmail.com
Subject: Re: [App_rpt-users] Using DSP on Rasberry Pi?

John, if you copied any binaries from ACID they may not work because they were compiled for x86 architecture not ARM. There could also be deoendencies that you are missing. I would recommend building or installing precompiled packages for the same applications on thr pi and then try to swap out the config files from the pc.

JEFF

On Nov 28, 2017 10:03 AM, “John Griffith” jcarl.griffith@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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