how to read data by i2c interface?

while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));

[LIST=1]
[*]    /* While the bus is busy */   
[*]  while(I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY));   
[*]     
[*]  /* Send START condition */   
[*]  I2C_GenerateSTART(I2C1, ENABLE);   
[*]     
[*]  /* Test on EV5 and clear it */   
[*]  while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));   
[*]      
[*]  /* Send 9250 address for write */   
[*]  I2C_Send7bitAddress(I2C1, MPU9250_ADDRESS , I2C_Direction_Transmitter);   
[*]   
[*]  /* Test on EV6 and clear it */   
[*]  while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));   
[*]     
[*]  /* Clear EV6 by setting again the PE bit */   
[*]  //I2C_Cmd(I2C1, ENABLE);   
[*]   
[*]  /* Send the 9250's internal address to write to */   
[*]  I2C_SendData(I2C1, ReadAddr);     
[*]   
[*]  /* Test on EV8 and clear it */   
[*]  while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTED));   
[*]     
[*]  /* Send STRAT condition a second time */     
[*]  I2C_GenerateSTART(I2C1, ENABLE);   
[*]     
[*]  /* Test on EV5 and clear it */   
[*]  while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));   
[*]     
[*]  /* Send 9250 address for read */   
[*]  I2C_Send7bitAddress(I2C1, MPU9250_ADDRESS , I2C_Direction_Receiver);   
[*]     
[*]  /* Test on EV6 and clear it */   
[*]  while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));   
[*]     
[*]  /* While there is data to be read */   
[*]  while(NumByteToRead)     
[*]  {   
[*]    if(NumByteToRead == 1)   
[*]    {   
[*]      /* Disable Acknowledgement */   
[*]      I2C_AcknowledgeConfig(I2C1, DISABLE);   
[*]         
[*]      /* Send STOP Condition */   
[*]      I2C_GenerateSTOP(I2C1, ENABLE);   
[*]    }   
[*]   
[*]    /* Test on EV7 and clear it */   
[*]    if(I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_RECEIVED))     
[*]    {         
[*]      /* Read a byte from the 9250 */   
[*]      *pBuffer = I2C_ReceiveData(I2C1);   
[*]   
[*]      /* Point to the next location where the byte read will be saved */   
[*]      pBuffer++;    
[*]         
[*]      /* Decrement the read bytes counter */   
[*]      NumByteToRead--;           
[*]    }      
[*]  }   
[*]   
[*]  /* Enable Acknowledgement to be ready for another reception */   
[*]  I2C_AcknowledgeConfig(I2C1, ENABLE);   
[*]}   
[*] 
[/LIST]

  I2C_InitTypeDef  I2C_InitStructure;    
   
  /* I2C configuration */   
  I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;   
  I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;   
  I2C_InitStructure.I2C_OwnAddress1 = 0x00;   
  I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;   
  I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;   
  I2C_InitStructure.I2C_ClockSpeed = I2C_Speed;   
     
  /* I2C Peripheral Enable */   
  I2C_Cmd(I2C1, ENABLE);   
  /* Apply I2C configuration after enabling it */   
  I2C_Init(I2C1, &I2C_InitStructure);

void I2C1init(void) 
{        
GPIO_InitTypeDef          GPIO_InitStructure;
I2C_InitTypeDef   I2C_InitStructure;
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE); 
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1,  ENABLE);

  GPIOB->BSRRL = BIT_6 | BIT_7;                            // SDA, SCL -> hi
  GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_6 | GPIO_Pin_7; // SDA, SCL def
  GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AF;            // alternate function
  GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;           // use open drain !
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
  GPIO_Init(GPIOB, &GPIO_InitStructure);   

  GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_I2C1);  // PB6:I2C1_SCL
  GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_I2C1);  // PB7:I2C1_SDA
  
  I2C_InitStructure.I2C_ClockSpeed      = 100000;
  I2C_InitStructure.I2C_Mode            = I2C_Mode_I2C;
  I2C_InitStructure.I2C_DutyCycle       = I2C_DutyCycle_16_9;
  I2C_InitStructure.I2C_OwnAddress1      = 0;
  I2C_InitStructure.I2C_Ack             = I2C_Ack_Disable;
  I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
  I2C_Init(I2C1, &I2C_InitStructure);
  I2C_Cmd(I2C1, ENABLE);
}