About Code257

Code257 · 2021-06-04

Hello. I have run into a problem in a MCU project I have. I'll explain the situation.We have a STM32F072RB -based product where we are implementing firmware update functionality. There would be 3 binaries in the MCU:Custom "thick" bootloader selectin...

Code257 · 2022-01-16

Here, I finally solved it:https://techblog.paalijarvi.fi/2022/01/16/portable-position-independent-code-pic-bootloader-and-firmware-for-arm-cortex-m0-and-cortex-m4/

Code257 · 2022-01-15

Still here. Finally writing the article. Stay tuned.

Code257 · 2021-09-12

"The loader in this case would need to set aside some RAM to relocate the vector table into,and create an environment where either image code run successfully."No, this is wrong. Loader should never do anything else than jump to actual image (via set...

Code257 · 2021-09-12

I have now fully working, dynamic, clean, interrupts-driven, self-verifying, multi-mode solutions for both F070RB and L432KC. I need still to find time to write that article. It seems that about 99% of the information of this on various forums and ot...

Code257 · 2021-08-14

I fixed it. I will write an article about it "soon".

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Custom "thick" bootloader to boot identical application binary from either address A or B?

Re: Custom "thick" bootloader to boot identical application binary from either address A or B?

Re: Custom "thick" bootloader to boot identical application binary from either address A or B?

Re: Custom "thick" bootloader to boot identical application binary from either address A or B?

Re: Custom "thick" bootloader to boot identical application binary from either address A or B?

Re: Custom "thick" bootloader to boot identical application binary from either address A or B?