UARTWATER
rxcount = lpuart32_read(&sport->port, UARTWATER);
lpuart32_write(&sport->port, val, UARTWATER);
lpuart32_write(&sport->port, 0, UARTWATER);
if (!(lpuart32_read(port, UARTWATER) >> UARTWATER_RXCNT_OFF))
txcnt = lpuart32_read(&sport->port, UARTWATER);
txcnt = lpuart32_read(&sport->port, UARTWATER);