/* DMA Stream Set DMA Flow Control. 
Ensure that the stream is disabled otherwise the setting will not be changed. */
void dma_set_dma_flow_control(uint32_t dma, uint8_t stream)
/* DMA Stream Set DMA Flow Control. 
Ensure that the stream is disabled otherwise the setting will not be changed. */
void dma_set_dma_flow_control(uint32_t dma, uint8_t stream)
{
	DMA_SCR(dma, stream) &= ~DMA_SxCR_PFCTRL;
}