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yakabmarci
Associate III
March 6, 2023
Solved

stm32h747 discovery blank

i just received my brand new stm32h747 discovery board, on power-up it does nothing just two LEDs light up, according to the user manual it should be preloaded with a demo.

I checked in cube prog and it reports as blank.

Is it possible that my device got damaged somehow or it is just not flashed?

aren't units tested before shipping out?

Is this a common thing? I don't remember ever receiving a discovery board blank

This topic has been closed for replies.
Sarra.SBest answer
ST Employee
March 13, 2023

Hello all,

Thank you for bringing this issue to our attention.

I confirm the issue and I reported Internally.

Internal ticket number: 147459 (This is an internal tracking number and is not accessible or usable by customers).

Sarra

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

45 replies

BRobe.3
Associate III
May 6, 2023

Seriously, you are right. So, I assume, it's probably not a version issue.

But, my nice new DISCO has not yet a Demo.

Any ideas ?

Best regards

JSext.1
Associate II
May 6, 2023

Yes, the TouchGFX demos worked to my surprise. Once flashed, I found my old code written in CubeIDE could then be flashed as normal. If I flashed directly on a new board without first loading something (even a blank screen from TouchGFX), my CubeIDE code crashed the board​. Not sure if that helps anyone, but just my experience yesterday.

ACapo.1
Associate III
May 6, 2023

As you are having trouble flashing this you could install TouchGFX, the demo is contained in there, create a project in TouchGFX using the board and the demo and then you can flash it from within TouchGFX, it will handle everything for you.


_legacyfs_online_stmicro_images_0693W00000bjW06QAE.png

BRobe.3
Associate III
May 7, 2023

Hello,

Thanks for your answer.

I don't thik that Demo2 is the basic demo. Anyway, it failed.(below the end of reporting)

Other demos are working for example COVER TRANSISTION

Best Regards

Robert

/////////////////////////////////////////////////////////////////////////////

make[3]: *** [CM7/TouchGFX/build/bin/target.elf] Error 87

make[2]: *** [generate_assets] Error 2

make[1]: *** [all] Error 2

make: *** [flash] Error 2

makefile_cm7:49: recipe for target 'all' failed

make[1]: Leaving directory 'C:/TouchGFXProjects/MyApplication_10/gcc'

../../gcc/Makefile:10: recipe for target 'flash' failed

Failed

Failed

ATaka.2
Associate II
May 12, 2023

About 3 months ago, I purchased an evaluation kit, STM32H747I-DISC0, from STMicro.

I bought it about 3 months ago. When I connect the evaluation kit's CN2 to my PC with a USB cable, the demo software should start.

However, it does not start at all.

  However, if I press B1, the reset button, at 2-second intervals after the LE8 light comes on, the software seems to boot up on the fourth press of the button.

Once it is activated, the demo software will be activated once B1 is pressed. Once activated, pressing B1 once will reset the software and restart the demo.

and the demo will restart.

If the USB is unplugged and plugged in in this state, the demo will not start unless the reset button is pressed four times again.

the demo will not start up again.

This is the third kit I have purchased and the last two kits before the minor change did not have this symptom and worked correctly.

 This is the third kit I have purchased.

What is the cause? What is the countermeasure?

Associate II
January 5, 2024

I just had the same issue, even the reset button was doing nothing. 

I connected the board, detected by the Programmer, then I pushed one of the touchGFX samples. and all went fine. 

It seems the board came blank!