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

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lundmar:

--- Quote from: crispus on December 12, 2017, 06:49:29 am ---Yeah, you're right:

--- Code: ---$ lxi scpi -a 192.168.1.144 --interactive
Connected to 192.168.1.144
Entering interactive mode (ctrl-d to quit)

lxi> :disp:data?
Error: Read error (timeout)
Error: Failed to receive message
lxi> :system:error?
-113,"Undefined header; keyword cannot be found"
lxi> :system:error?
0,"No error"
lxi> :disp:data?
Error: Read error (timeout)
Error: Failed to receive message
lxi> :system:error?
-113,"Undefined header; keyword cannot be found"
lxi> ^C

--- End code ---

I can't see any screenshot related in the programming manual for DM3058

--- End quote ---

Ok.

Btw., did you upgrade to latest firmware?

It's a pretty weird regression if earlier firmware versions support this command but the latest does not. Or perhaps it is only the DM3068 that unofficially supports it.

crispus:

--- Quote from: lundmar on December 12, 2017, 07:23:23 am ---Btw., did you upgrade to latest firmware?

--- End quote ---
Yes, it seems that already had the latest version. The tricky part though, in the release notes the version contains an additional 02: 1.01.00.02.02.00 on the multimeter versus 1.01.00.02.02.00.02 in the release notes.

lundmar:

--- Quote from: crispus on December 12, 2017, 03:03:27 pm ---
--- Quote from: lundmar on December 12, 2017, 07:23:23 am ---Btw., did you upgrade to latest firmware?

--- End quote ---
Yes, it seems that already had the latest version. The tricky part though, in the release notes the version contains an additional 02: 1.01.00.02.02.00 on the multimeter versus 1.01.00.02.02.00.02 in the release notes.

--- End quote ---

He he, yeah - those two numbers can make you go blind trying to spot the difference.

So, since the screenshot plugin certainly won't work with the DM3058 I'm thinking I will add to the description that it only works with DM3068.

Or at least, I will assume it to be working with DM3068 until someone tells me otherwise.

Either way, thank you for your testing. I'm sorry we couldn't make it work.

As a last resort, you could try ask Rigol to add screenshot support to their firmware but it might be a futile task - I don't know how much Rigol listens to their users.

lundmar:
New releases of lxi-tools and liblxi are now available via snap, tarball, or git.

This is a feature and bug fix release.

For a complete overview of changes please see:
https://github.com/lxi-tools/lxi-tools/releases/tag/v1.14
https://github.com/lxi-tools/liblxi/releases/tag/v1.8

A lot of new screenshot plugins have been added which add support for many of Siglents instruments.

Also, the screenshot command has been improved so it is now possible to redirect the captured screenshot image directly to external tools for simple or advanced image processing such as resizing, scaling, adding text, format conversion, etc. It's quite a powerful feature. For example, to embed a time stamp in the image, upscale the image to 150%, and convert it to JPG, simply use the lxi tool in combination with e.g. ImageMagicks image manipulation tools like so:


--- Code: ---$ lxi screenshot -a 10.0.0.42 - | convert -fill white -draw "font-size 16 text 100,100 '`date`'" -scale 150% - screenshot.jpg

--- End code ---

Or, to add a label with time stamp:

--- Code: ---$ lxi screenshot -a 10.0.0.42 - | montage -geometry +0+0 -background white -label "`date`" -scale 150% - screenshot.png

--- End code ---

ImageMagicks image manipulation tools support various image operations and over 200 image formats which should satisfy the needs of most users :)

Also, I would like to put a big thank you to Siglent who has been very helpful to test and make sure that lxi-tools works well with all of their LXI compatible instruments  :-+

dpenev:
Hi lundmar,

I have tested the latest lxi tool v1.15 and screenshot is working fine on my Siglent SSA3021X


A minor note which would be a bit more convenient for me is if I would able to write directly to my share 
At the moment I get an error

lxi screenshot -a 192.168.1.61 /share/scr2.bmp
Loaded siglent-ssa3000x screenshot plugin
Error: Could not write screenshot file (No such file or directory)

Thank you for your work.
Dimitar

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