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CC3220R: Cannot wakeup from LPDS by GPIO interrupt

Part Number: CC3220R

Hi,

Trying to get an application to be always connected by configuring the power module in common.sysfig as follows

and then enabling the policy and going into sleep. 

After the sleep wakeup, I check the return from PRCMLPDSWakeupCauesGet() and always get PRCM_LPDS_TIMER even when I trigger interrupt on GPIO. Have also added a resumeLpdsFn but can't see that it's executed. Am I doing the things right here or do I miss something?

Thanks,

Tomas