/* Disable the automatic slave select function of the specified SPI port.  */
void SPIAutoSSDisable(unsigned long ulBase)
/* Disable the automatic slave select function of the specified SPI port.  */
void SPIAutoSSDisable(unsigned long ulBase)
{
    xASSERT((ulBase == SPI0_BASE) || (ulBase == SPI1_BASE)||
            (ulBase == SPI2_BASE) || (ulBase == SPI3_BASE));
    xHWREG(ulBase + SPI_SSR) &= ~SPI_AUTOSS;
}