/* Set the clock rate of the specified I2C port. 
The  */
void I2CMasterInit(unsigned long ulBase, unsigned long ulI2CClk)
/* Set the clock rate of the specified I2C port. 
The  */
void I2CMasterInit(unsigned long ulBase, unsigned long ulI2CClk)
{
    unsigned long ulBusClk;
    xASSERT((ulBase == I2C0_BASE) || ((ulBase == I2C1_BASE)));
    xHWREGB(ulBase + I2C_CON1) |= I2C_CON1_EN;
    ulBusClk = SysCtlBusClkGet();
    xHWREGB(ulBase + I2C_FREQ) = 0x80;
    xHWREGB(ulBase + I2C_CON1) |= I2C_CON1_TX;
}