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Cerberus boot pin as a button


#1

OK I have a Cerberus and someone has kindly put a button on the boot pin, (old board had just the pads).
SO how can I access this button during normal execution. It seems a shame to waste a perfectly good button.
Actually I plan to use it to trigger an sd unmounts coz im fed up of corrupting the cards the brutal way.


#2

looking at the schematic, this pin is tied low and pulls BOOT0 high on push, so I guess the question is can we access the BOOT0 pin as a gpio?


#3

Looking at the processor datasheet - it looks like BOOT0 is a dedicated pin, and cant be used after reset - such is life