About DRall.1

DRall.1 · 2021-10-12

Hi,I had a question regarding Bruno's excellent series on creating a simple bootloader.In part 3, there is an if statement which checks if something has in fact been loaded into the applications's flash region:// bootloader main.c if( ( *(uint32_t *)...

DRall.1 · 2021-10-14

You're right, I am overthinking it. And muddled myself :)To be fair, the video describes the magic number's purpose. However, it didn't work for me, as my top of stack is at address 0x20002000And, naturally, (FLASH_APP_ADDR + 4) is the reset_handle...

DRall.1 · 2021-10-13

Thanks for your reply.In the example video, the size of RAM is 32k. In that respect, why is the operand not 0x2FFF8000?Is 0x2FFE0000 the worst case based on the maximum possible RAM size?In the video it explains that the expression should resolve to ...

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How to Create a Super Simple Bootloader, Part 3: Developing the Boot Code - check if an initial SP is loaded at the start of flash

Re: How to Create a Super Simple Bootloader, Part 3: Developing the Boot Code - check if an initial SP is loaded at the start of flash

Re: How to Create a Super Simple Bootloader, Part 3: Developing the Boot Code - check if an initial SP is loaded at the start of flash