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SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs

   With System Workbench for Linux, Embedded Linux on the STM32MP1 family of MPUs from ST was never as simple to build and maintain, even for newcomers in the Linux world.
And, if you install System Workbench for Linux in System Workbench for STM32 you can seamlessly develop and debug asymmetric applications running partly on Linux, partly on the Cortex-M4.
You can get more information from the ac6-tools website and download two short videos (registration required) highlighting:

System Workbench for STM32


F103ZGT boot loader failed: option bytes?

I have two F103ZGT boards from a Chinese OEM. I can config the boards to start the ROM boot loader, via the COM port. This works fine on one board, the other always took several hard resets before the ZGT identified itself to the loader utility. I was looking at Option Bytes, but not as far as I know saving anything, and now the boot loader won’t start at all. I was able to load my DFU code before the problem arose, and the board app can be updated via USB, so it is functional. Is it possible I wrote some option bytes and this has disabled the boot loader, or is there a chip/board problem? Maybe the LF oscillator? it seems to be functioning on my ‘scope.

Suggestions welcome.

SD

 

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