void dma_channel_reset(uint32_t dma, uint8_t channel)
{
/* Disable channel and reset config bits. */
DMA_CCR(dma, channel) = 0;
/* Reset data transfer number. */
DMA_CNDTR(dma, channel) = 0;
/* Reset peripheral address. */
DMA_CPAR(dma, channel) = 0;
/* Reset memory address. */
DMA_CMAR(dma, channel) = 0;
/* Reset interrupt flags. */
DMA_IFCR(dma) |= DMA_IFCR_CIF(channel);
}
uint16_t dma_get_number_of_data(uint32_t dma, uint8_t channel)
{
return DMA_CNDTR(dma, channel);
}
void dma_set_number_of_data(uint32_t dma, uint8_t channel, uint16_t number)
{
DMA_CNDTR(dma, channel) = number;
}
void dma_set_number_of_data(u32 dma, u8 channel, u16 number)
{
DMA_CNDTR(dma, channel) = number;
}