Set ADC reference source.
int32_t adc_dma_set_reference( struct adc_dma_descriptor *const descr, const adc_reference_t reference )
This function sets ADC reference source.
Type: struct adc_dma_descriptor Struct *const
The pointer to the ADC descriptor
Type: const adc_reference_t
A reference source to set
Type: int32_t
Status of the ADC reference source setting.