Products > Test Equipment

Open source lxi-tools and liblxi v1.0 released for GNU/Linux

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lundmar:

--- Quote from: BloodyCactus on November 29, 2017, 01:13:24 am ---hmmm


--- Code: ---> /snap/bin/lxi --version
cannot change current working directory to the original directory: Permission denied

> sudo /snap/bin/lxi --version
cannot change current working directory to the original directory: Permission denied

> cd /tmp
> lxi --version
lxi v1.13

--- End code ---

oh, solved my own problem, posting here for posterity. You get the above error if you run it when your in an NFS mounted directory/path.

--- End quote ---

Oh, by the way. I don't know why I didn't think of this before but you can try install the snap with disabled confinement like so:


--- Code: ---snap install lxi-tools --classic

--- End code ---

Then of course rerun the snap alias command if you want to have it recognize the 'lxi' command.

Try it out - maybe that will solve your permission denied on NFS filesystems.

crispus:
Hi,

I have a couple of suggestions:
1. a parameter for discover - either the network adress, interface name, etc (when you have many interfaces it takes some time)
2. I'm not able to take a screenshot on DM3058:

--- Code: ---user@host: /s/l/out $ bin/lxi discover                   
Searching for LXI devices - please wait...

Broadcasting on interface lo
Broadcasting on interface eth0
  Found "Rigol Technologies,DM3058,DM3XXXX,01.01.00.02.02.00" on address 192.168.1.144

user@host: /s/l/out $ bin/lxi screenshot -a 192.168.1.144 screenshot
Loaded rigol-dm3000 screenshot plugin
<I can hear a beep on the multimeter>
<some time after>
Error: Read error (timeout)
Error: Failed to receive message
user@host: /s/l/out $

--- End code ---
I do have the latest version built from github.

lundmar:

--- Quote from: crispus on December 10, 2017, 04:25:16 pm ---Hi,

I have a couple of suggestions:
1. a parameter for discover - either the network adress, interface name, etc (when you have many interfaces it takes some time)

--- End quote ---

Perhaps I'll add an option for which interface to broadcast on. Something like:

--- Code: ---$ lxi discover --interface wlan0

--- End code ---
For now, to speed things up a bit, you can decrease the timeout. Usually '--timeout 1' is sufficient.


--- Quote from: crispus on December 10, 2017, 04:25:16 pm ---2. I'm not able to take a screenshot on DM3058:

--- Code: ---user@host: /s/l/out $ bin/lxi discover                   
Searching for LXI devices - please wait...

Broadcasting on interface lo
Broadcasting on interface eth0
  Found "Rigol Technologies,DM3058,DM3XXXX,01.01.00.02.02.00" on address 192.168.1.144

user@host: /s/l/out $ bin/lxi screenshot -a 192.168.1.144 screenshot
Loaded rigol-dm3000 screenshot plugin
<I can hear a beep on the multimeter>
<some time after>
Error: Read error (timeout)
Error: Failed to receive message
user@host: /s/l/out $

--- End code ---
I do have the latest version built from github.

--- End quote ---

Do you have the latest firmware from Rigol installed?

I believe that the screenshot plugin has been tested with a DM3068 by PeDre. Perhaps there is a subtle difference in how it retrieves the screenshot for the two models.

crispus:
I didn't (yet) upgrade the multimeter; it is as I received it (version 01.01.00.02.02.00)
I'll try to upgrade it and post the result.

The timeout workaround is good, now it takes 3 seconds instead of 10.

crispus:
If helps, I updated the firmware to the latest version and same error (timeout).
On MSO1104Z-S, DG4062 and DSA815 screenshot works with no problem.

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