/* Determines if there is any space in the transmit FIFO. */
tBoolean UARTSpaceAvail(unsigned long ulBase)
/* Determines if there is any space in the transmit FIFO. */
tBoolean UARTSpaceAvail(unsigned long ulBase)
{
    ASSERT(UARTBaseValid(ulBase));
    return((HWREG(ulBase + UART_O_FR) & UART_FR_TXFF) ? false : true);
}