About Daniel S.

Daniel S. · 2025-01-21

I'm trying to get SecureBoot running on STM32MP157.After opening and reading about 30 pages of your wiki and basically following [1] I was able to create keys and convinced yocto into generating "*_Signed*" files.Sadly I then got confused with public...

Daniel S. · 2024-09-19

We have the STM32MP157 EV1 Board, build our own yocto images (using the st layers) and are able to flash the images into emmc using STM32_Programmer_CLI.exe. Everything works great.Now we received our first custom boards with the same STM32MP157 Chi...

Daniel S. · 2024-07-17

We got the STM32MP157F-EV1 and struggle a bit with the understanding of OTPs. We cloned the STM32PRGFW-UTIL repository [1], put the dip switches into "forced USB boot for flashing" mode (all off) and uploaded the provided image: STM32PRGFW-UTIL\Proje...

Daniel S. · 2020-08-27

We are using a STM32MP157A-DK1 and try to reduce power consumption.1) When A7 and M4 are running we measure around 300mA.2) When A7 is in Suspend-To-Mem and the M4 is still running we measure around 80mA.3) When the M4 also enters standby mode the po...

Daniel S. · 2017-06-22

Posted on June 22, 2017 at 14:51We have two prototype boards each equipped with a LIS331HH.One of the sensors seems completely broken because the Z axis shows values around 2.3g while laying flat on the table. Because of that we were now looking int...

Daniel S. · 2025-01-22

Hello Febus,thanks for the answer. I cannot test it at the moment and will do it later.At least I did not lock the device on purpose (never typed stm32key close in uboot). Uploading unsigned images worked fine - they booted up as before, without a wa...

Daniel S. · 2024-09-24

Thanks for your fast response.The HSE bypass mode did the trick. Now the board prints out a lot more and we are able to read it (don't really know why - we also the switched logic analyzer for decoding).So now we are able to boot through TF-A and are...

Daniel S. · 2024-09-20

That's basically our main problem: we don't get any. On the EV1 we see outputs on UART4. In our new design we switched UART4 to other pins (using STs CubeMX tool) but no outputs there. Now we discovered that there is a hard coded panic console on PG1...

Daniel S. · 2024-07-18

Thanks for the explanation. We understood that bits can not be reset to 0 but thought that setting single bits might also possible in the upper registers.So it was basically just luck that the first reprogramming (going from 0xF0 to 0xF1) worked. It ...

Daniel S. · 2024-07-18

Thanks for pointing the wrong isr signature and the missing enableIRQ out. Was facing the same problem - 5 years later...

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Secure boot with wrong hash in OTPs

an error occured after sending a dfu end of download request

OTP went to invalid

Power Consumption with only the M4 running

LIS331HH, understanding self test

Re: Secure boot with wrong hash in OTPs

Re: an error occured after sending a dfu end of download request

Re: an error occured after sending a dfu end of download request

Re: OTP went to invalid

Re: WWDG_IRQHandler Doesn't Seem To Be Reached