/* the DMA engine is disabled after the end of transfer signal from DMA controller is detected  */
void adc_dma_request_after_last_disable(uint32_t adc_periph)
/* the DMA engine is disabled after the end of transfer signal from DMA controller is detected  */
void adc_dma_request_after_last_disable(uint32_t adc_periph)
{
    ADC_CTL1(adc_periph) &= ~((uint32_t)ADC_CTL1_DDM);
}