/* Requests a uDMA channel to start a transfer. */
void uDMAChannelRequest(uint32_t ui32ChannelNum)
/* Requests a uDMA channel to start a transfer. */
void uDMAChannelRequest(uint32_t ui32ChannelNum)
{
    ASSERT((ui32ChannelNum & 0xffff) < 32);
    HWREG(UDMA_SWREQ) = 1 << (ui32ChannelNum & 0x1f);
}