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Sniffing the Rigol's internal I2C bus

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alank2:

--- Quote from: marmad on December 06, 2013, 02:38:36 pm ---I'd give it a try - but am in the middle of a job and can't run even the small risk of down time on the DSO right now. Perhaps in another week or so.

--- End quote ---

You are brave!!!  Given their power on / help button method which seems to invoke some sort of bootloader that does very little (no display, etc.), probably you can *try* it and it will either (1) load the fw or (2) not load it, and then possibly B (1) boot it or (2) not boot it.  If it boots it may be buggy or it may be ok.

With any luck, hopefully no matter what the outcome, you will be able to return to ds2000 firmware using the help button method...

alank2:
I'm going to dig around to see if I can find secret key sequences, like the menu7-menu6-menu7 type thing.  Does anyone know how the control panel connects to the blackfin?

AndersAnd:

--- Quote from: marmad on December 06, 2013, 02:38:36 pm ---Since even their dealers/service personnel might mistakenly use the wrong FW file at some point...
--- End quote ---
They already have mixed up the firmwares, when they sent the latest DS2000 frimware to "thetooth" when he asked for the latest firmware for DS2000A: https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/msg341839/#msg341839

g***!:

--- Quote from: marmad on December 06, 2013, 02:38:36 pm ---
--- Quote from: Tom01 on December 06, 2013, 02:12:01 pm ---Is anyone going to risk the upgrade firmware on your DS2000 from DS2000A? ;)

--- End quote ---

Someone had to try running the firmware  ;D Runs fine on my DS2202, but no CAN decoding showing in the options list unfortunately.


--- End quote ---

Tom01:

--- Quote from: g***! on December 06, 2013, 03:37:44 pm ---Someone had to try running the firmware  ;D Runs fine on my DS2202, but no CAN decoding showing in the options list unfortunately.

--- End quote ---

So D2000A is different from hardware D2000, right? Someone wrote that it was just a different firmware. Hmmm ....

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