LL_ADC_REG_DMA_TRANSFER_UNLIMITED macro
ADC conversion data are transferred by DMA, in unlimited mode: DMA transfer requests are unlimited, whatever number of DMA data transferred (number of ADC conversions). This ADC mode is intended to be used with DMA mode circular.
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#define LL_ADC_REG_DMA_TRANSFER_UNLIMITED (ADC_CR2_DDS | ADC_CR2_DMA)