As some additional information, it seems that it is also linked to the deep sleep timer wakeup source. If I do not use the timer as a wakeup source then the ULP runs as expected, even with ADC reads in the main program. There must be some kind of interaction that I am not understanding. As a short t...

I have run into an odd problem and I cannot seem to identify a solution reading the documentation. I need to use the ADC in my main program (using adc1_get_raw) and I also need to use it in ULP. The documentation of adc1_ulp_enable seems to suggest this is possible as long as I call adc1_ulp_enable ...