static void readmem (unsigned char addr, char *buf, int n)
{
    while(I2C_GetFlagStatus (I2C_ITG3200, I2C_FLAG_BUSY));
    /* Send START condition */
    I2C_GenerateSTART (I2C_ITG3200, ENABLE);

    /* Test on EV5 and clear it */
    while (!I2C_CheckEvent(I2C_ITG3200, I2C_EVENT_MASTER_MODE_SELECT));
    /* In the case of a single data transfer disable ACK before reading the data */

    if (n == 1)
        I2C_AcknowledgeConfig (I2C_ITG3200, DISABLE);

    /* Send EEPROM address for write */
    I2C_Send7bitAddress (I2C_ITG3200, ITG3200_SLAVE_ADDR, I2C_Direction_Transmitter);

    /* Test on EV6 and clear it */
    while (!I2C_CheckEvent (I2C_ITG3200, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));

    /* Clear EV6 by setting again the PE bit */
    I2C_Cmd (I2C_ITG3200, ENABLE);

    /* Send the EEPROM's internal address to write to */
    I2C_SendData (I2C_ITG3200, addr);
    /* Test on EV8 and clear it */
    while (!I2C_CheckEvent (I2C_ITG3200, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
    /* Send STRAT condition a second time */
    I2C_GenerateSTART (I2C_ITG3200, ENABLE);
    /* Test on EV5 and clear it */
    while (!I2C_CheckEvent (I2C_ITG3200, I2C_EVENT_MASTER_MODE_SELECT));
    /* Send EEPROM address for read */
    I2C_Send7bitAddress (I2C_ITG3200, ITG3200_SLAVE_ADDR, I2C_Direction_Receiver);
    /* Test on EV6 and clear it */
    while (!I2C_CheckEvent (I2C_ITG3200, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));

    /* While there is data to be read */
    while (n) {
        /* Test on EV7 and clear it */
        if (I2C_CheckEvent (I2C_ITG3200, I2C_EVENT_MASTER_BYTE_RECEIVED)) {
            if(n == 2)
                I2C_AcknowledgeConfig (I2C_ITG3200, DISABLE);       /* Disable Acknowledgement */
            if(n == 1)
                I2C_GenerateSTOP (I2C_ITG3200, ENABLE);         /* Send STOP Condition */

            /* Read a byte from the EEPROM */
            *buf = I2C_ReceiveData (I2C_ITG3200);
            /* Point to the next location where the byte read will be saved */
            buf ++;
            /* Decrement the read bytes counter */
            n --;
        }
    }

    /* Enable Acknowledgement to be ready for another reception */
    I2C_AcknowledgeConfig (I2C_ITG3200, ENABLE);
}