About SakuGlumoff-bittium

SakuGlumoff-bittium · 2024-08-23

Hello everyone!I am trying to write a custom external loader for a custom board that has the STM32U5A9 microcontroller.I tried following the guide from this forum post: How to implement and use your own external flash loader: An example using STM32U5...

SakuGlumoff-bittium · 2024-09-04

Solved: I ended up implementing the flash loader from Segger. It worked right out of the gate.

SakuGlumoff-bittium · 2024-08-26

I debugged the functionality of external loader further and noticed that at the start of the Init command there is an instruction to push the R7 onto the stack. However, as you can see in the log output I provided, the programmer tool sets the stack ...

SakuGlumoff-bittium · 2024-08-25

Thank you for replying!I suspected as much, based on the programmer tool logs, that this is not a regular program running in flash. Instead of starting from the reset handler, I suspected that the programmer tool calls these functions by setting the ...

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