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Author Topic: SCPI Commands Help :PRIV  (Read 415 times)

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Offline TeunTopic starter

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SCPI Commands Help :PRIV
« on: December 04, 2024, 09:24:27 am »
Hi,

I was looking into SCPI commands to take screenshots of my RIGOL DSA815-TG. Now I found this command online, "PRIV:SNAP? BMP", which indeed gives me a snapshot of the device.
But the ":PRIV" command isn't really mentioned much in documentation on SCPI. Where does it come from? And how would I have known about it if I wouldn't have found it online? It isn't even mentioned in the DSA815 Programming guide.

I might want to eventually write some test program in C# to control some of the test equipment we have here at the office. So where could you find information about these commands that obviously work but aren't mentioned in the documentation?
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Offline Messtechniker

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Re: SCPI Commands Help :PRIV
« Reply #1 on: December 04, 2024, 09:36:58 am »
If there is some software from the manufacturer, you might want to sniff the SCPI commands to find out any undocumented SCPI commands. Did this with my Uni-T UT 622E
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Offline TeunTopic starter

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Re: SCPI Commands Help :PRIV
« Reply #2 on: December 04, 2024, 01:02:03 pm »
Ultra Spectrum is the standard program for it. And while it does have a history list of the SCPI commands sent to the spectrum analyzer, I don't see any method for finding out additional commands. Also I have to say that I find these standard programs by rigol a bit cringing.

I found the :PRIV command because someone mentioned it was used in rigol-bildschirmkopie which I used before. (couldn't find it anymore) But if it was used there it should have been available somewhere I guess, right?

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Offline Fenstergucker

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Re: SCPI Commands Help :PRIV
« Reply #3 on: December 04, 2024, 01:26:52 pm »
Hello Teun,

here you can find SCPI commands for Rigol devices:
https://www.eevblog.com/forum/testgear/lists-of-rigol-scpi-commands/

I have read out the SDRAM of my Rigol devices via JTAG. A self-written program can then create a list of the available SCPI commands.
But there are actually no other useful commands on the DSA800, except for the command used to create license codes.
Here is a list of the commands, but without parameters, from the current firmware.

Peter
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Offline TeunTopic starter

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Re: SCPI Commands Help :PRIV
« Reply #4 on: December 04, 2024, 01:41:10 pm »
Ah thank you :-+
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Offline Fenstergucker

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Re: SCPI Commands Help :PRIV
« Reply #5 on: December 04, 2024, 01:59:17 pm »
If you are looking for the old programs, RigolBildschirmkopie and Rigol-DSA815(Remote) I have made.
Here are the links to the archives of the websites:

https://www.dreisiebner.at/temp/rigol-bildschirmkopie.zip
https://www.dreisiebner.at/temp/rigol-dsa815.zip

Peter
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Offline TeunTopic starter

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Re: SCPI Commands Help :PRIV
« Reply #6 on: December 04, 2024, 04:07:29 pm »
And thank you again
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