Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f0/STM32F0x0/ADC/CR#0x0
control register
ADC enable command
ADC disable command
ADC start conversion command
ADC stop conversion command
ADC calibration
https://github.com/modm-io/cmsis-svd-stm32