Source code for STM32 bootloader?

[abaldur]

Hi all,

Is the source code of the bootloader (that is used to perform application programming over serial interface) available to download?

The AN2606 says that "The bootloader is stored in the internal boot ROM memory (system memory) of STM32 devices. It is programmed by ST during production."

Best Regards,

abaldur

[ihouses ihouses]

Hello,

Thanks the hint, it was very userful. I have writen the Python protocol and is not working because in the verification I see that the bootloader actually can not write anything. My guess is because the flash is protected but I don't know where I can change this seeting in System Workbench using Stlink V2.

Any ideas what can cause the the bootloader works fine but in the verification phase the written code and the readed code are different?

BTW. I am not deleteting the flash before since this requires a reset and control the Boot0 pin, something that I can not handle thats why the only way for me is a special command that makes jump the execution code into the bootloader code.​