Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?
 
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Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?  

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karl-herbert
(@karl-herbert)
Illustrious Member
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

@zoltan

To compile the firmware I use a self made script and call the process as follows:

python $source/build.py --generate-bbf

As I said, this usually always works flawlessly. For this I have specially set up a small experimental laptop with Ubuntu 20.04, so that I do not have to burden my W10 PC with it.

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Respondido : 16/01/2021 11:34 am
Zoltan
(@zoltan)
Miembro Moderator
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

For flashing after you built the FW  you must use the emptyboot.....bbf file

even an old man can learn new things 🙂
Standard I3 mk3s, MMU2S, Prusa Enclosure, Fusion 360, PrusaSlicer, Windows 10
PRUSA MINI+ Prusalink + Prusa Connect

Respondido : 16/01/2021 12:25 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

@zoltan

I always use this *.bbf file for flashing:

what's the difference between the *.bbf in "products" folder and "mini_release_emptyboot" folder?

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Respondido : 16/01/2021 12:55 pm
cwbullet
(@cwbullet)
Miembro
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

Very interesting thread.  Karl: Why did you remove the appendix?

--------------------
Chuck H
3D Printer Review Blog

Respondido : 16/01/2021 5:43 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

@cwbullet

As with the MK3, I would also like to change the Mini firmware to adapt it to my needs. To do this, I have already changed some firmware blocks, which of course only works if the seal is removed from the buddyboard. The loss of warranty is not important to me.
Nevertheless, I think it's good that Prusa has made firmware interventions more difficult in this way, especially with regard to interventions in the temperature control. I never changed anything on the temperature management myself, only the Mini nozzle self-test (increased the delay time from 30 to 40 seconds because of my mounted E3D V6).

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Respondido : 16/01/2021 6:19 pm
Zoltan
(@zoltan)
Miembro Moderator
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

@karl-herbert

Not to change anything with temperatures is very wise. 

What other interesting changes did you manage?

even an old man can learn new things 🙂
Standard I3 mk3s, MMU2S, Prusa Enclosure, Fusion 360, PrusaSlicer, Windows 10
PRUSA MINI+ Prusalink + Prusa Connect

Respondido : 17/01/2021 8:37 am
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

@zoltan

What other interesting changes did you manage?

- increased bedmaxtemp from 100 to 110 (installed 320W Meanwell PU; printing PC and Nylon)

- changed extruder esteps, microsteps and direction of rotation (selfdesigned extruder with neodym magnets and filamentsensor)

- filamentsensor signal inverted

- changed homing pos.

- changed filament loading length

- active M500 functions

- changed preheat settings

and so on...

- just for fun - Prusamini logo individualized:

Overall, nothing great, but it is exciting to study the structure of the firmware.

 

 

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Respondido : 17/01/2021 2:04 pm
Zoltan me gusta
Zoltan
(@zoltan)
Miembro Moderator
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

@karl-herbert

GREAT !

even an old man can learn new things 🙂
Standard I3 mk3s, MMU2S, Prusa Enclosure, Fusion 360, PrusaSlicer, Windows 10
PRUSA MINI+ Prusalink + Prusa Connect

Respondido : 18/01/2021 7:52 pm
cwbullet
(@cwbullet)
Miembro
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

I like the change to the display.  I would screw it up and have a printer that no longer works.  

--------------------
Chuck H
3D Printer Review Blog

Respondido : 18/01/2021 8:45 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

@cwbullet

Of course, this can only be done if you remove the appendix, which most people probably won't do.
The logos can easily be changed with e.g. MS Paint, but you should not change the pixel size. For the conversion (from *.png to *.c) I wrote a small C routine. With this, the process is quite simple and fast.

 

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Respondido : 18/01/2021 11:49 pm
Zoltan
(@zoltan)
Miembro Moderator
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

Of course you have to know what you can change and what not. The system is a bit more complex than the mk3s one. To the majority I recommend not to break appendix and flash the original FW.

even an old man can learn new things 🙂
Standard I3 mk3s, MMU2S, Prusa Enclosure, Fusion 360, PrusaSlicer, Windows 10
PRUSA MINI+ Prusalink + Prusa Connect

Respondido : 19/01/2021 5:10 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Printing crashed with message: webServerTask. Precise data access error, precise bot. Any ideas?

@zoltan

That is probably true. In general, you should know what you are changing. But I think that for the majority of users this is not a theme anyway.

 

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Respondido : 19/01/2021 5:47 pm
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