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Watchdog problem after FLASH_EraseSector

Question asked by Franz Wegerer on Feb 22, 2012
Latest reply on Feb 23, 2012 by Clive One

I use STM32F205RCT6 and attached you will find a sample for the STM320G-EVAL.

Following problem. I have enabled the watchdog, but the FLASH_EraseSector takes much longer as the watchdog timeout. So I tried to reset the watchdog with the WWDG_IRQHandler. But the interrupt isn't called in this case!

Reference Manual:
When the EWI interrupt cannot be served, e.g. due to a system lock in a higher priority task, the WWDG reset will eventually be generated.
Watchdog cannot be disabled again except by a reset.

Any ideas would be most welcome.