/* Clear the slave select pins of the specified SPI port.  */
void SPISSClear(unsigned long ulBase)
/* Clear the slave select pins of the specified SPI port.  */
void SPISSClear(unsigned long ulBase)
{
    xASSERT((ulBase == SPI0_BASE) || (ulBase == SPI1_BASE));
    xHWREG(ulBase + SPI_CNTRL0) &= ~SPI_CNTRL0_SSELC;
}