nRF52 dongle fails to wake up from SYSTEM OFF state

RE: nRF52 dongle fails to wake up from SYSTEM OFF state

Simonr — Tue, 03 Aug 2021 07:37:58 GMT

It shouldn't fail, but please check. You should also make sure that the pin is not set higher than VDD+0.3V in your board.

Best regards,

Simon

RE: nRF52 dongle fails to wake up from SYSTEM OFF state

AV2890 — Mon, 02 Aug 2021 07:24:14 GMT

Do you mean that the

nrf_gpio_cfg_sense_input()

can fail? In this case, do I have to check the sense state of the gpio before going in the SYSTEM OFF state? Maybe taking advantage of the

nrf_gpio_pin_sense_get()

to control the state and eventually configure once again?

RE: nRF52 dongle fails to wake up from SYSTEM OFF state

Simonr — Fri, 30 Jul 2021 11:58:03 GMT

Hi Andrea

I would suggest logging the state of the button before going to system off to make sure that it is correctly configured as a wake up button every time, as the most likely issue is that the configuration of the wake up button fails sometimes. It should not have anything to do with the presence of the bootloader to my knowledge.

Best regards,

Simon