About THsu.1

THsu.1 · 2020-03-31

Hi, I am new to STM32G4 series. I am implementing dual bank firmware update on STM32G473 custom board. I've prepared two identical bin files(compiled to 0x08000000), and flashed them to 0x08000000 and 0x08040000.With options bytes:BFB2=0nBOOT0=1nBOOT...

THsu.1 · 2020-04-01

After a day of tracing, I found that I cannot read SYSCFG->MEMRMP register correctly.SYSCFG->MEMRMP |= SYSCFG_MEMRMP_FB_MODE is able swap bank correctly.I confirm with both CubeProgrammer and gdb by writing different words into each band and read out...

THsu.1 · 2020-03-31

Oh I've found we can actually run mcu, simple go to "CPU Tab" in cube programmer and press run.But after bootloader jumps to 0x08000000, 0x00000000 still remains bootloader's vector table

THsu.1 · 2020-03-31

I've found that we can actually run mcu in the "CPU" tab in stm32cubeprogrammerBut bootloader doesn't re-map neither BANK1 nor BANK2 to 0x00000000I read the contents of 0x00000000 with BFB2=1. It seems the mcu will start from bootloader. Which is li...

THsu.1 · 2020-03-31

I read the contents of 0x00000000 with BFB2=1. It seems the mcu will start from bootloader. Which is like AN2606 says, system bootloader will help to check bank2 then do bank swap. . Is it really possible to check if system boot from bank2 with cube ...

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