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Sniffing the Rigol's internal I2C bus

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commongrounder:

--- Quote from: GlassFET on February 19, 2014, 11:28:16 pm ---
--- Quote from: neslekkim on February 19, 2014, 11:15:07 pm ---If it is the same version as the last, just keep it, but don't let it stop you from upgrading.
I used an 4gb sandisk, worked very good, but the rigol is kinda picky about the usb stick, and that is also documented in the official firmware upgrade doc. (It states that you need to test the usb sticks on the rigol before you attemt to start upgrading)

--- End quote ---

I think that USB memory stick compatibility must have been the issue, requiring three flashing attempts. The smallest stick I could find around here was 8GB, so that's what I used. I've read that the stick should be less than 4GB, or less than 8GB, depending on which source you read, so I knew I was close to the edge. I did read (some of us actually DO read instructions) about inserting the stick and looking for "USB detected" as a test. That test worked fine, and I was able to print a screen image to the stick, so I thought I was good-to-go. I will have to find a 2GB or 4GB stick someplace. (Perhaps one can't buy them that small anymore?). But in the meantime I wanted to keep Zombie28's FW and use the scope without worrying about performance issues. Thanks.

--- End quote ---

I'm so glad I kept a bunch of those old 1GB USB flash drives around.  They all work perfectly in my DS4000 series 'scope.

Giggy:

--- Quote from: 3roomlab on February 19, 2014, 01:52:11 pm ---
--- Quote from: Giggy on February 19, 2014, 03:18:06 am ---Hey Guys,

Finally got around to hacking my oscilloscope (DS2072A) and it went well, I have enabled 300MHz bandwidth with all options.
I decided to document my process with a good amount of detail and have created a PDF. I recommend anyone who would like
to hack their to view this. I had to upload the file elsewhere because of the 2mb imposed on us my eevblog.

The document was generated from information collected from this thread, thanks to all those whom contributed.

If there are any recommendations/revisions for the document let me know.

All the Best.

http://www.mediafire.com/view/2avoeclmwvvlfsf/DS2072A.pdf

--- End quote ---

mediafire is not happy with me trying to download the PDF ...
will you be so kind to email it to me? 3roomlab at gmail dort com :p

by the way, has anyone tried anything (hack/poke around) on the newer DS1xxx series?

--- End quote ---

Are you able to view online? It comes up in a pdf reader for me?

Sent it off to you, let me know if you receive it.

NYG:

--- Quote from: 3roomlab on February 20, 2014, 03:16:11 am ---tnx giggy, got it.
(yes i was able to see it online, but i cant R-click to save as)
(and maybe since im un-decided over which DSO to get, maybe i should just get the one with the better graduation which displays slightly more like an agilent)

--- End quote ---

When I first saw that video I was concerned so I hooked my new DS2072A up to a video signal. It looks great. No issues.

NYG:
Not as nice as that Agilent but I'm pleased with it.

Hopefully this works..



AndersAnd:

--- Quote from: 3roomlab on February 20, 2014, 03:16:11 am ---tnx giggy, got it.
(yes i was able to see it online, but i cant R-click to save as)
--- End quote ---
Just click the big green download button here: http://www.mediafire.com/download/2avoeclmwvvlfsf/DS2072A.pdf
Right-clicking doesn't work.

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