/* Disable I2C master module of the specified I2C port. 
The  */
void xI2CMasterDisable(unsigned long ulBase)
/* Disable I2C master module of the specified I2C port. 
The  */
void xI2CMasterDisable(unsigned long ulBase)
{
    xASSERT((ulBase == I2C0_BASE) || (ulBase == I2C1_BASE) ||
            (ulBase == I2C2_BASE) || (ulBase == I2C3_BASE) ||
            (ulBase == I2C4_BASE));
    xHWREG(ulBase + I2C_CON) &= ~I2C_CON_ENS1;
}