Can't capture logic anymore

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tatayet
Posts: 8
Joined: Sun Oct 06, 2024 2:55 pm

Can't capture logic anymore

Post by tatayet » Mon Oct 07, 2024 7:48 pm

Hi,

I have a STEMlab 125-10 with the external logic analyzer extension module.
I used to do serial, SPI etc. captures perfectly, but for some reason after a long pause and an update, I can't do that anymore.
I tried many OS, older, newer.

What should I check ?

33dnp
Posts: 39
Joined: Fri Jul 17, 2020 6:00 am

Re: Can't capture logic anymore

Post by 33dnp » Thu Oct 10, 2024 6:05 am

What OS did you use. For older versions, it is not enough to update to the old ecosystem, you also need to update the flash drive.

https://downloads.redpitaya.com/downloa ... ab-125-1x/

tatayet
Posts: 8
Joined: Sun Oct 06, 2024 2:55 pm

Re: Can't capture logic anymore

Post by tatayet » Thu Oct 10, 2024 5:11 pm

I tried many configurations.
Now I'm using a fresh SD card install with OS 1.04-28, and a nightly build ecosystem.
The update manager says I'm up-to-date.

Is there any way to check under /proc, /sys, /dev or whatever if something is going south ?

33dnp
Posts: 39
Joined: Fri Jul 17, 2020 6:00 am

Re: Can't capture logic anymore

Post by 33dnp » Thu Oct 17, 2024 5:35 am

tatayet wrote:
Thu Oct 10, 2024 5:11 pm
I tried many configurations.
Now I'm using a fresh SD card install with OS 1.04-28, and a nightly build ecosystem.
The update manager says I'm up-to-date.

Is there any way to check under /proc, /sys, /dev or whatever if something is going south ?

1.04-28 и last nightly build
Completely incompatible.
To use NB you need Linux OS 2.05
https://downloads.redpitaya.com/downloa ... 05.img.zip

tatayet
Posts: 8
Joined: Sun Oct 06, 2024 2:55 pm

Re: Can't capture logic anymore

Post by tatayet » Thu Oct 17, 2024 6:55 pm

Sorry, I was wrong, I'm currently using 2.05-378.
Is there a way to debug ?

33dnp
Posts: 39
Joined: Fri Jul 17, 2020 6:00 am

Re: Can't capture logic anymore

Post by 33dnp » Fri Oct 18, 2024 10:56 am

The application does not start or starts and does not display data?

tatayet
Posts: 8
Joined: Sun Oct 06, 2024 2:55 pm

Re: Can't capture logic anymore

Post by tatayet » Sat Oct 19, 2024 10:08 am

The application starts, I can setup everything as usual, the leds inside the external module are blinking when the cables are wired and data is flowing.
Pressing "run" does nothing most of the time. Sometimes the capture stops but I see no logic, only like a signal changing state once.

tatayet
Posts: 8
Joined: Sun Oct 06, 2024 2:55 pm

Re: Can't capture logic anymore

Post by tatayet » Sun Oct 27, 2024 2:47 pm

What should I check ?

tatayet
Posts: 8
Joined: Sun Oct 06, 2024 2:55 pm

Re: Can't capture logic anymore

Post by tatayet » Sun Nov 03, 2024 2:19 pm

Is there anybody able to give me some hint about how to understand why I can't capture logic anymore ?
The extension module lights up when data is present on the line.

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redpitaya
Site Admin
Posts: 968
Joined: Wed Mar 26, 2014 7:04 pm

Re: Can't capture logic anymore

Post by redpitaya » Mon Nov 04, 2024 1:36 pm

Hello Tatayet,

The problem lies that the STEMlab 125-10 runs out of memory when running the LA application on the latest versions of 2.00 OS. One solution is to create a SWAP file on the SD card. One of our users solved this by using "parted" to resize and add 1.3 GB of SWAP. Afterwards they added an entry into /etc/fstab.

We will fix this issue with the next OS release.

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