/* Enable circular mode for DMA transfers. 
For this to work it needs to be ebabled on the DMA side as well. */
void adc_enable_dma_circular_mode(uint32_t adc)
/* Enable circular mode for DMA transfers. 
For this to work it needs to be ebabled on the DMA side as well. */
void adc_enable_dma_circular_mode(uint32_t adc)
{
	ADC_CFGR1(adc) |= ADC_CFGR1_DMACFG;
}