/* Enable I2C interrupt of the specified I2C port. 
The  */
void I2CIntEnable(unsigned long ulBase)
/* Enable I2C interrupt of the specified I2C port. 
The  */
void I2CIntEnable(unsigned long ulBase)
{
    xASSERT((ulBase == I2C0_BASE));
    xHWREG(ulBase + I2C_O_CON) |= I2C_CON_EI;
    xIntEnable(INT_I2C0);
}