Debugging Power using on nRF52

[Gordon]

Hi,

I've got an application running on an nRF52, and it's calling sd_app_evt_wait() from the main loop - and it's staying in that function pretty much all the time.

However, measuring the current drawn across the nRF current measurement jumper gives me 0.5mA. How would I go about debugging why this is? Are there any registers I can look at to see what's keeping the nRF52 from sleeping properly?

thanks!

[Øyvind Karlsen]

Hi,

Likely you are running the HFCLK which consumes current on this order, try disabling it before you go to sleep.

Best regards,

Øyvind

[Gordon]

Ok, thanks! So is there a way to debug this? For instance suppose I forgot to stop TIMER1 but I didn't know that - is there a register that I could read the value of that would tell me which devices were causing the HF clock to stay on - or do I have to check every single device individually?