Products > Test Equipment
Sniffing the Rigol's internal I2C bus
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true:

--- Quote from: bluesmoke on January 17, 2014, 07:41:07 am ---
--- Quote from: true on January 17, 2014, 05:03:27 am ---
--- Quote from: true on January 17, 2014, 02:30:56 am ---
--- Quote from: Marc M. on January 16, 2014, 08:39:16 am ---Good news Everyone!  Attached to this post is a utility to repair corrupted S/N's on DS2000 series scopes!  Someone I know took up the challenge to write a utility to repair corrupted serial numbers as their contribution to all the great work done so far.  It's a simple but very clever Windows .exe file that will ask your model/serial # and modify a .gel file located in the same directory as the executable file.  Note: This utility only works with firmware version 00.01.01.00.02.  If you need a copy of this firmware version, see Marmad's post (Reply #2) in this thread: https://www.eevblog.com/forum/testgear/first-impressions-and-review-of-the-rigol-ds2072-ds2000-series-dso/  The locations of the model & S/N change between firmware versions so it will corrupt any other version of firmware so verify that you have firmware version 00.01.01.00.02.  It also requires the ability to send SCPI commands to the scope.

--- End quote ---

BRILLIANT, saved me some work (not like I haven't been not busy enough to do any) - thanks :)

--- End quote ---

Well maybe I was a bit premature. It doesn't work.


--- End quote ---

Make sure you follow the instructions to the letter.... especially step 7 to anchor the changes to flash...


--- Quote ---7.  Connect using scpi and issue :SYSTem:OPTion:UNINSTall command which will
      uninstall all keys and save to flash
--- End quote ---

All I did at the end was reinstall the latest firmware and then reinstall the options with DSEZ to give me 200MHz and CAN, Triggers, Decoders and Memory upgrade.
I have cycled the scope a number of times now and it all seems good to go.

--- End quote ---
The first thing I did was follow the instructions to the letter.

The changes never saved.


--- Quote from: staurtk ---I followed the procedure exactly to reset my S/N

...

Now apparently I now own a DS2022 scope, whatever that is, with the S/N unchanged on the basic screen

On the detailed screen the S/N is correct however the model is still DS2022
--- End quote ---
Yes, same problem here.


--- Quote from: AndersAnd ---"true" only did half the procedure too and had the same problem.
--- End quote ---
I followed the instructions exactly. Only when it didn't work I tried other things. Obviously you didn't read what I wrote.


--- Quote from: alan2k ---Odd.  I sure don't get the 2022 thing.  Did the serial stay the common mangled 14 digit 0001 type one?
--- End quote ---
In the normal system info screen, it is the 0001 S/N.
In the special system info screen, it is DS2202 with the entered S/N.


--- Quote from: AndersAnd ---What model# did you select for the custom FW? 2072, 2102, 2202 or 2302?
--- End quote ---
As written in my post, I tried 2072 and 2202. I also tried 2102 with the same results.


--- Quote from: alan2k ---Maybe you should give up on the serial fix and just use it...
--- End quote ---
In short, no.
In length, no. I use it and I will fix this issue.

---

Basically I am having the same exact results as stuartk. Obviously this patch doesn't work. As some have stated success I will look into this and work on my own patch or see if there exists a mechanism to do this with the existing scope software.
mamalala:
Hey,

does anyone have a dump of the flash memory of the DS1/2/4 scopes at hand? Just a linear dump, as seen by the Blackfin. Maybe i missed it, but so far i have seen only RAM memory dumps here. I'd like to peek a bit into the flash mem instead. Since i don't have a Rigol scope myself yet, i ask here ... If you have concerns about putting such a dump online for all to see, because of some serial number fancieness, feel free to let me know by PM instead. Just don't hand me some dump where the potential s/n is modified after the dump, since that would make it pretty much worthless to what i'd like to try.

Greetings,

Chris
chebeba:

--- Quote from: eevblogee on January 18, 2014, 12:07:22 am ---i went through old posts and realized for ds2072a dumps are needed.

--- End quote ---

Not any more. You can flash Zombie's patched firmware, which will upgrade you scope to the latest f/w but make it accept pre-A license codes, which means you use the olds keygens to get a license and all works fine.

Only problem with this approach is you will loose your options if you update to stock firmware later.

But please go ahead and do the dumps anyway, to allow more progress. I will as soon as my JTAG arrives.
sigxcpu:

--- Quote from: Marc M. on January 16, 2014, 08:39:16 am ---Good news Everyone!  Attached to this post is a utility to repair corrupted S/N's on DS2000 series scopes! 

....

Tested on several DS2072's w/ original hardware and it works perfectly.  Again, this has not been tested on any hardware versions other than 1.0.  Please don't ask about a Linux version as neither of us are Linux users.  Also, I don't have the source code as the author didn't offer it.  I'm very grateful for his work and won't pester him for the source code.  If you have any issues/suggestions/comments please feel free to contact me.
Edit: Corrected firmware link

--- End quote ---

Confirmed for HW 2.0. Just recovered my serial number, re-generated the license code and everything is OK.
eevblogee:
Did anyone tried connecting a ftdi based serial2usb converter to see if a shell is available, i wish they forget the driver for debugging purposes.
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