Products > Test Equipment
Hantek DSO1152S - Wont boot after firmware update
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tinhead:

--- Quote from: commongrounder on July 23, 2014, 02:40:15 pm ---I noticed that Hantek has a firmware file (dso1kb_2.01.1_DSO1152S(140408.0).up) that is dated 7-14-2014.  Can someone confirm that this is the fixed version of the firmware that WanaGo was having trouble with? 

--- End quote ---
you mean on their onedrive? this is the same version, only extracted on 7-14-2014, but the same content. They deleted all
versions from web and onedrive, but seems that they forgot that extraced version.

So no, don't use that.

I will compile later today working version and post on my onedrive (it will be dated named custom_dso1kb_2.01.1_DSO1000S(140408.2).zip and only the up file dso1kb_2.01.1_DSO1000S(140408.2).up )


--- Quote from: commongrounder on July 23, 2014, 02:40:15 pm ---When something like this happens, is there any way to force a firmware downgrade through the USB port?

--- End quote ---

as long the dso.exe (dso_bin) is running - yes - because one can connect over lan or usb with that tool from Peter Dreisiebner

http://peter.dreisiebner.at/dso-usb-tool/

then go to shell tab and copy manually older files from flash drive to DSO. Then after reboot the DSO will use them.

However, when the dso.exe (or dso_bin) is not working, then there was no other way than the physical uart.

Now with the new dsod (watchdog) for benchtops and handhelds one will have a way to restore/downgrade DSO even
when dso.exe (or dso_bin) is crashing. It is somehow funny that the first firmware with the new dsod alread created
problems, because of the dsod. But yeah, something like that can happens when one forgot to copy files into update
or run test twice (where the system does have already files which are missing in update ...).
commongrounder:
Thank you, tinhead.  I will keep watch for it.  This is an interesting problem.  I'm so glad I saw this thread, as I check Hantek's onedrive regularly for firmware updates and would have blithely installed this defective one and ended up in the same boat as WanaGo, but without an easy way to fix it.
rob77:

--- Quote from: rob77 on July 16, 2014, 09:51:26 am ---it's strange - my DSO1102B is apparently an older model tha your DSO1152S , but both DDM & frequency in the top right corner were working just fine before and after upgrade. and same for the CH1 & CH2 at the same time in the measurements it worked before the update and still works after the update .

--- End quote ---

ups... early judgment.... the DMM & frequency in the top right corner are working... but only after pressing the measure button - but they keep working since then - even after menu off button pressed.. so not a big deal ;)
tinhead:
here we go, on my onedrive http://1drv.ms/1hf4SgO in firmware->hw1.00.4 there is the custom_dso1kb_2.01.1_DSO1000S(140408.2).zip file. Inside that file you will find dso1kb_2.01.1_DSO1122S(140408.2).up and extra.zip. Copy that dso1kb_2.01.1_DSO1122S(140408.2).up to empty flash drive. Then unzip that extra.zip to that flash drive, you will see then "packet" directory. This is necessary due the lack of NAND space, the update procedure need always twice the size of decrypted update. So my custom update is copying part of reqiered files directly from flash drive, so that it can work even on low space models (like my test unit from 2011). Remove that flash drive from PC and insert into handheld, run now the firmware update from utility->f2->f4. Due amount of files it can take some extra time, my script is doind 10sec. loop to ensure that all files has been written. So wait until the led stopped to lit and the "plaese reboot" pops up on display. Some models, and this depends on what fw version already installed, will anyway do an automaticaly reboot, so that's fine as well.

After the reboot or power cycle you should see then 140408.0 as fw version.
commongrounder:
Thank you so much tinhead!  Later on, after I finish work, I will give this a try on my DSO1122S unit and report the results.  Once this is done, should the new DSOD functions work as Hantek had intended?  It would be nice to think there is some way, other than cracking open the case, to recover a scope with issues. :)
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