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I'm not super well-versed in this codebase, but I've been struggling to upload and debug on an STM32L412K8
I've got it working with an instruction modification in the flash loader. Original code:
when
FLASH_BSY == 0
, thetst
instruction should set the zero flag.beq
takes the branch if the 0 flag is set, so if flash is not busy, it continues to wait (incorrect behavior). changingbeq
tobne
fixes this.I'm hung up on this though because it seems like a really naive fix on my part. I'm willing to dig a little deeper if need be. This might help some folks with #607.