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Rigol DHO814 - capturing CAN frames

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nctnico:

--- Quote from: Martin72 on March 20, 2024, 11:35:01 am ---
--- Quote ---which Rigol and Siglent don't AFAIK
--- End quote ---

Forgotten again, eh? ;)

--- End quote ---
Well, try your test again and see if the list with decoded messages stays the same when you zoom in OR that the list contents is limited to what is on screen. As an extra test, try to zoom in on a detail of a message with the start of the message being off-screen.

eTobey:

--- Quote from: nctnico on March 20, 2024, 11:45:21 am ---Well, try your test again and see if the list with decoded messages stays the same when you zoom in OR that the list contents is limited to what is on screen. As an extra test, try to zoom in on a detail of a message with the start of the message being off-screen.

--- End quote ---
Yes, it may not do the whole buffer, but it does so when zoomed pretty far out. The Rigol in this case is just useless, i mean really useless.

But there is one thing with that siglent: I cant find another way to scroll through the list. Hitting those scrollbuttons is not exactly easy! Is there a way to use a knob?
Never mind, saw a video someone using a mouse.  :-+

Martin72:

--- Quote ---Yes, it may not do the whole buffer
--- End quote ---

The number of decoded values/packets is limited, so not all of the memory is used (if there is any "left over").
In the data sheets of the 2000X and 2000X HD series, the maximum number of the respective decoder could be found, in the data sheet of the 800X HD I did not find anything about it.


Martin72:
@nctnico:
https://www.eevblog.com/forum/testgear/rigol-dho804-test-and-compare-thread/msg5164788/#msg5164788

OK, it was a little bit ago...

nctnico:

--- Quote from: Martin72 on March 20, 2024, 06:40:03 pm ---@nctnico:
https://www.eevblog.com/forum/testgear/rigol-dho804-test-and-compare-thread/msg5164788/#msg5164788

OK, it was a little bit ago...

--- End quote ---
5 seconds into the video from that posting, you can see the decoded data dissapears when the start of the packet goes off-screen. The same for the list. What isn't on screen, is not in the list with packets. Very annoying if you want to relate packets to eachother.

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