APRSIS32 on RPi (was Passcode request for KI6HHJ)


Rob Giuliano
 

First I tried the simple solution.  Since the latest version of Raspbian is based of Debian Buster, I decided to just install WINE
   sudo apt-get install wine
I got (what I expected) BAD executable error.

So, as stated below, I decided to try and follow the instructions from https://www.novaspirit.com/2019/04/15/run-x86-arm/ on the RPi4 that I was going to use (2GB version).  So to build a custom kernel I followed Kernel building - Raspberry Pi Documentation
   sudo apt-get install get bc bison flex libssl-dev make
   git clone --depth=1 https://github/com/raspberrypi/linux
  cd linux
  KERNEL=kernel7l
  make bcm2711_defconfig
This created the .config file which requires the editing.  This was Kernel version 4.19.127
   find CONFIG_VMSPLIT_3G and make sure it is CONFIG_VMSPLIT_3g=y
   makes sure there is no CONFIG_VMSPLIT_2G=y  if so, comment it out with the # in front.
   Next add something to CONFIG_LOCALVERSION to identify your version.
       CONFIG_LOCALVERSION="-QEMU" to indicate the updated QEMU split.
I stop at "Cross Compiling". 
I rebooted the Pi and checked the version cat /proc/version.  Unfortunately, it showed the old default version (4.19.118).

It took a little effort to figure out why until I looked at file name (kernel7l.img) was confusing.  Was it 7 'el' or 7 one?
  Of course I assumed 'one' and it turned out to be an 'el'.
     The good news is that these are just renames - no need to completely recompile.
     I renamed (mv) the file to the correct name

I rebooted again, and check again.   cat /proc/version now shows 4.19.127

Well, I got my Raspberry Pi version 4 (RPi4) kernel updated to the recommended split.
Tomorrow is field day, so this is on pause until after that bit of fun.

Robert Giuliano
KB8RCO



On Thursday, June 25, 2020, 10:38:12 PM EDT, Rob Giuliano via groups.io <kb8rco@...> wrote:


With all this discussion, I decided to "give-it-a-go".
I am following the instructions from https://www.novaspirit.com/2019/04/15/run-x86-arm/
  (instructions, I don't watch video - I'd rather read).

I did change "stretch" to "buster" to get the latest raspian version (4.19.127 is showing).
This will take a little experimenting, but I'll let you know how it goes.

Robert Giuliano
KB8RCO



On Thursday, June 25, 2020, 8:21:36 PM EDT, Lynn Deffenbaugh <kj4erj@...> wrote:


Ah, that's the subject of this whole (wrongly subjected) thread!  Here I was hoping that you already had it up and running and we were all going to ask you how you managed it!

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 6/25/2020 8:14 PM, Don Poaps wrote:
I would love to use if I knew how to make it work.

73

Don

On Thu., Jun. 25, 2020, 4:17 p.m. Lynn Deffenbaugh <kj4erj@...> wrote:

Is that "I love to USE" or "I WOULD love to use"?  Do you have it up on a PI currently?

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 6/25/2020 1:43 PM, Don Poaps wrote:
I love to use APRISCE on a PI. The maps that are used are really good. 

73
Don Poaps
New Westminster, BC
VA7DGP DATA
VA7QU   VOICE


Winlink: va7qu@...
Subject://wl2k           



                    
  




 


On Thu, Jun 25, 2020 at 10:26 AM Lynn Deffenbaugh <kj4erj@...> wrote:

I did attempt to get MOAI/APRSISMO running on a Pi over a year ago, but at that time the windowing layer that MOAI used wasn't properly detecting and/or using the native video chip in the Pi, so it was falling back to X which was EXTREMELY SLOW....  I tried to figure it out but gave up.

So maybe by now the lower layers have caught up and I should give that another shot.  It won't be APRSIS32, at least not until I get most of the remainder of the features ported over!

Oh, and it won't have MutliTrack in any case because the entire MOAI GUI interface is single window, even under Windows.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 6/25/2020 11:54 AM, Greg D wrote:
It might be easier to get the Android version to run on a Pi.  Both ARM, and both Linux.  Just missing the Android API.  Has anyone written such for the Pi?  This looks promising...  https://magpi.raspberrypi.org/articles/android-raspberry-pi

Greg  KO6TH


Rob Giuliano via groups.io wrote:
The Pi4 is definitely a much more powerful processor (4 cores at 1.5GHz) with more RAM (now up to 8GB with some fancy 32-bit paging).

However, the Pi is an ARM processor and APRSIS32 is compiled for the x86 processors.  Since WINE is typically run in a Linux environment also on x86 processors, it doesn't translate across the processors.  It mostly translates to the host OS. There was a version of WINE for the PI, but there are so few apps compiled for the Pi processor, that it created high expectations that it couldn't deliver on.

Exagear was a true "emulator" that allowed the x86 code to run on the Pi's processor.  However, the processor in the Pi4 made so many drastic changes to key things like hardware I/O addressing and even memory addressing, it has been hard for Exagear to catch up.  It looks like they gave up in February.

There is a newer 'custom' version of WINE for the Pi that does a much better job, but it requires a customer Kernel and some modifications to the WINE configuration.  I think it requires some custom QEMU settings as well. There are a few YouTube videos if you search on "WINE on the Pi4".

Good luck - report back if you actually get it running!

Robert Giuliano
KB8RCO



On Thursday, June 25, 2020, 10:16:45 AM EDT, Lynn Deffenbaugh <kj4erj@...> wrote:


I don't know if the newest Pis have enough power to do it reasonably well, but APRSIS32 runs under WINE and I believe you can put WINE on a Pi.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 6/25/2020 9:03 AM, Rob Giuliano via groups.io wrote:
Mike,
I am posting your Pi question to the main group.
Of course APRSIS32 is a Windows application for x86 processors.
I do not know of anyone running this on a Pi

I know some who use the Pi as the pseudo TNC (soundcard or direct connect a hardware TNC) then send the data to a Windows PC over TCP/IP.


Robert Giuliano
KB8RCO

PS:  Passcode sent off list.


On Thursday, June 25, 2020, 2:54:25 AM EDT, Mike Hollibaugh <mhollibaugh@...> wrote:


Good evening, I am very excited to use your software,

I would like to use APRSSI32 and I am hoping to obtain a passcode.

My name is Michael L Hollibaugh and my callsign is KI6HHJ.

I can be found on aprs.fi using the SSID's of KI6HHJ-1 and KI6HHJ-2:


Thank you for your assistance and please let me know if you have any questions,


Mike


PS: being that Exagear's emulator is no longer available, do you have
any other recommendations to install your application on a Raspberry
Pi 4, 4G without a Windows environment?

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