How looks a process of waking up BlueNRG-2 from deep sleep?

Posted on May 13, 2018 at 09:42

Hi,

I am confused by documentation of BlueNRG and various description of exiting from WFI for Cortex-M0.

What is going on when BlueNRG-2 is woken up from deep sleep by external gpio pin?

Is the program continuing execution at instructions following WFI, or it causes a reset and starts from ResetHandler?

In my program interrupts are disabled before WFI.

Regards,

Piotr Romaniuk

#bluenrg-2 #deepsleep #cortex-m0 #wfi

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