Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32G031/ADC/CR#0x0
ADC control register
ADC enable
ADC disable
ADC group regular conversion start
ADC group regular conversion stop
ADC voltage regulator enable
ADC calibration
https://github.com/cmsis-svd/cmsis-svd-data