/* Send a master data receive request with an NACK when the master have obtained control of the bus(Write Step2). 
For this function returns immediately, it is always using in the interrupt hander. */
void I2CMasterReadLastRequestS2(unsigned long ulBase)
/* Send a master data receive request with an NACK when the master have obtained control of the bus(Write Step2). 
For this function returns immediately, it is always using in the interrupt hander. */
void I2CMasterReadLastRequestS2(unsigned long ulBase)
{
    xASSERT((ulBase == I2C1_BASE) || (ulBase == I2C2_BASE));
    xHWREG(ulBase + I2C_CR1) &= ~I2C_CR1_ACK;
}