/* get the number of remaining data to be transferred by the DMA  */
uint32_t dma_transfer_number_get(dma_channel_enum channelx)
/* get the number of remaining data to be transferred by the DMA  */
uint32_t dma_transfer_number_get(dma_channel_enum channelx)
{
    return (uint32_t)DMA_CHCNT(channelx);
}