Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32W108/ADC/ADC_DMACR#0x0
ADC DMA control register
Loads the DMA buffer
Selects DMA mode
Write 1 to reset the ADC DMA
https://github.com/cmsis-svd/cmsis-svd-data