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