Hi,

maybe it will help, I have written it today (works also in Arduino IDE):


#include "esp32/ulp.h"
#include "soc/rtc_cntl_reg.h"
#include "driver/rtc_io.h"
#include "driver/adc.h"

void ulp_adc_wake_up(unsigned int low_adc_treshold, unsigned int high_adc_treshold)
{
adc1_config_channel_atten ...