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Keil forum My STM32 (F105VC) boot program throws Cannot Access memory after program/verify ok if I have WFI instruction

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My STM32 (F105VC) boot program throws Cannot Access memory after program/verify ok if I have WFI instruction

gibookrish over 3 years ago

I have to do a boot program to boot the application that is already present. I have done whats required including crc but when I use the WFI instruction in the startup.s file it throws cannot access memory after flash/verify ok. WFI works for APP.

I am new to stm programming. Appreciate any help to resolve the issue.

Top replies

Milorad Cvjetkovic over 3 years ago +2 verified

If you are entering sleep mode then you have to enable sleep mode debugging in the DBGMCU_CR register either in code or you can also do it from debugger, but in that second case you have to configure debugger...