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DG4000 - a firmware investigation

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RoGeorge:

--- Quote from: Gandalf_Sr on March 13, 2017, 02:12:32 pm ---I looked for the 01.06 FW but I can't find it anywhere.
--- End quote ---

Maybe one of these FW is what you were looking for: http://s.go.ro/blmbni71

Gandalf_Sr:
Thanks, I got those files.  So is the plan to:

1. Downgrade to 00.01.06
2. Run the manual calibration
3. Upgrade to 00.01.08

I understand that going to 00.01.09 will wipe the 200 MHz out and I will be stuck with the 60 MHz version.

[EDIT] I tried the upgrade but it didn't seem to take.  First I put the 00.01.06 GEL file on the USB drive and then pressed [help] as I powered up, it seemed to start taking stuff from the drive but, after 15 minutes, only 1 extra light was on so I gave up, it booted but the version was still the same - how long does it take to upgrade and what light status indicates it's finished?

Andrusca:
Hello Cybernet and friends,
Hope you can give me some advice about how to bring back to life my DG4062!

I have a DG4062 that I modded to DG4162 (with firmware 01.08) with the .CEN file because initially I had Firmware bootloader version 04. That worked like charm until I recently decided to finally upgrade firmware to the current last version (01.12). The reason for that was I have to control the generator using Labview via Ethernet and I was having an avoidable error when uploading an arbitrary waveform after an instrument reset and also having random Ethernet disconnection-connection events which prevent me from operating the instrument remotely in a comfortable way.  The firmware release notes explain that some SCPI and LXI issues were fixed since 01.08 so I thought it was the right time to do a firmware upgrade to try to solve my problems.

First, I power up the instrument with a thumb drive containing the bootloader .GEL file (ver 06). Al light end up on and then instruments self-reset and self-powered up again. I then power down the instruments but I foolishly   :palm: forget to replace the bootloder .GEL  with the firmware .GEL before I power up the instrument again. When I power up the instrument, some lights started to blink in a strange pattern and after 20 minutes of no activity progress I sadly had to power it off. I then replaced the .GEL file in the thumb drive and powered up the DG4K but the upgrade process again is stuck with only the "Ramp" button flashing over and over forever. Of course, DG4K is not also booting normally so it is bricked   :palm: :palm: :palm:.

I am now realizing that the FPGA firmware of my DG4K is corrupted and I think that the only way to make it function again is to reflash the FPGA with a fresh memory dump. It could be any version of DG4062 previous to 01.09, so I can make the DG4162 upgrade and also change the serial number in the source code to make it coincide with mine. I don't know if all of  that is possible and also if it is going to solve the problem.
So I would really appreciate your help and advice about which would be the most appropriate way to proceed.

Many thanks
Andrés
   
 

nrxnrx:
Since the bootloader is likely ok, you can try the procedure here:

https://www.eevblog.com/forum/testgear/dg4062-fw-update-non-respomsive-issue/msg945488/#msg945488

If that doesn't work, try pressing Help 3 times at boot (instead of just once), since that works with other rigol products.

Andrusca:
Thanks nrxnrx very much!
Following your advice, I have solved the problem in the following way:

1) First, I noticed that every time I put the stick with the firmware .GEL, it seemed that the firmware update process always started ok but (perhaps because I had previously used the bootloader .GEL twice) it invariable ended stuck with the first light blinking (Ramp). I was always using an old brandless 64MB drive.
2)  I full formatted another stick drive, a 2GB Kingstone DataTraveller II. Then I copied the firmware .GEL file.
3) Surprisingly, this thumb drive was not recognized by the instrument as it only lit up Mod, Utility and Store buttons. This is just what describes Rigol in its DG4000 Firmware Upgrade Procedure. pdf file. Notice that this drive was and is recognized under the Store menu by the DG4K.
4) I full formatted my original 64MB thumb drive and copied the .GEL file again.
5) Yet more surprisingly, the update process then advanced further the Ramp button and ended successfully! :phew:
6) I suspect that having used the "incompatible" thumb drive may reset the previously perturbed update sequence and allowed me to start a fresh new one  :-//.

Now I have the instrument working, upgraded to version 01.12 and keeping the DG4162 model!!   :clap: :clap:

I hope my painful experience can help someone in the future. :-+
 
I have one last question: Now with firmware 01.12, would I be able to do the factory reset calibration to get a flat output beyond 60MHz (the bandwidth of my original DG4062)?

Many thanks,
Andrés

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