adc_set_round_robin() function

Round Robin sampling selector This function sets which inputs are to be run through in round robin mode. RP2040, RP2350 QFN-60: Value between 0 and 0x1f (bit 0 to bit 4 for GPIO 26 to 29 and temperature sensor input respectively) RP2350 QFN-80: Value between 0 and 0xff (bit 0 to bit 7 for GPIO 40 to 47 and temperature sensor input respectively)