stm32f767을 이용해서 자이로가속도 센서의 값 받아오려고 하는데 계속 안돼서요. 혹시 어디가 문제인지 알 수 있을까요? 
 
#include "stm32f767xx.h"
#include "OK-STM767.h"
#include <stdint.h>
 
void Initialize_I2C3(void);      
void MPU6050_write(U08 address,U08 byte);  
unsigned long MPU6050_read(U08 address);  
void MPU6050_Init(void);
 
#define MPU6050_ADDR 0xD0
#define SMPLRT_DIV_REG 0x19
#define GYRO_CONFIG REG 0x1B
#define ACCEL_CONFIG_REG 0x1C
#define ACCEL_XOUT_H_REG 0x3B
#define TEMP_OUT_H_REG 0x41
#define GYRO_XOUT_H_REG 0x43
#define PWR_MGMT_1_REG 0x6B
#define WHO_AM_I_REG 0x75
/* ----- 메인 프로그램 -------------------------------------------------------- */
 
int main(void)
{
  
 
  Initialize_MCU();           
  Delay_ms(50);               
  Initialize_LCD();           
  Initialize_TFT_LCD();       
  
 
  GPIOC->MODER &= 0xFFFFFCFF;
  GPIOC->MODER |= 0x00000100;
  GPIOC->BSRR = 0x00000010;
  
  TFT_string( 2, 5,White,Magenta, " I2C를 사용한 MPU6050 액세스 ");
  TFT_string(11,10,White,Black, "어드레스 = 0x0000");
  //MPU6050_Init();
 
 
  while(1){
    TFT_string( 2, 5,White,Magenta, " I2C를 사용한 MPU6050 액세스 성공");
    
  }
}
 
/* ----- 사용자 정의 함수 ----------------------------------------------------- */
 
void Initialize_I2C3(void)         
{
  //RCC->APB1ENR |= 0x00800000; 
 
  GPIOA->MODER &= 0xFFFCFFFF;    
  GPIOA->MODER |= 0x00020000;
  
  SYSCFG->PMC &= ~0x00000004; 
 
  GPIOC->MODER &= 0XFFF3FFFF;
  GPIOC->MODER |= 0X00080000;
 
  GPIOA->OTYPER |= 0x00000100;
  GPIOC->OTYPER |= 0x00000200;
 
  GPIOA->OSPEEDR = 0x00000000;       
  GPIOC->OSPEEDR = 0x00000000;
 
  //GPIOA->PUPDR |= 0x00010000;
  //GPIOC->PUPDR |= 0x00040000;
 
  GPIOA->AFR[1] &= 0xFFFFFFF0;       
  GPIOA->AFR[1] |= 0x00000004;
 
  GPIOC->AFR[1] &= 0xFFFFFF0F;       
  GPIOC->AFR[1] |= 0x00000040;
  
 
  I2C3->CR1 = 0x00000000;         
  I2C3->TIMINGR = 0x00100306;     
  I2C3->CR1 = 0x00000001;         
}
 
void MPU6050_Init(void)
{
  uint8_t check;
  uint8_t Data;
  
  
  check=MPU6050_read(WHO_AM_I_REG);
  Beep();
  if (check== 104)
  {
    
    MPU6050_write(PWR_MGMT_1_REG,0);
    
    Data = 0x07;
    
   MPU6050_write(SMPLRT_DIV_REG,Data);
   
    Data = 0x00;
    
    MPU6050_write(ACCEL_CONFIG_REG,Data);
  }
  TFT_string(11,10,White,Black, "WAKE_UP_MPU0000");
}
 
void MPU6050_write(U08 address,U08 byte)  
{
  I2C3->CR2 = 0x000100D0; 
  I2C3->CR2 |= 0x00002000;        
  while(!(I2C3->ISR & 0x00000002));  
 
  I2C3->TXDR = address & 0x00FF;    
  while(!(I2C3->ISR & 0x00000002)); 
 
  I2C3->TXDR = byte;            
  while(!(I2C3->ISR & 0x00000040));
  I2C3->CR2 |= 0x00004000;         
  Delay_ms(5);                                  
}
 
unsigned long MPU6050_read(uint8_t address)   
{
  unsigned long byte;
 
  I2C3->CR2 = 0x000100D0; 
  I2C3->CR2 |= 0x00002000;
 
  while(!(I2C3->ISR & 0x00000002));   
   TFT_string(11,10,White,Black, "어드레스 = 0x1111");
  Beep();
  
  I2C3->TXDR = address & 0x00FF;      
  while(!(I2C3->ISR & 0x00000040));    
 
  I2C3->CR2 = 0x000104D0; 
  I2C3->CR2 |= 0x00002000;         
  while(!(I2C3->ISR & 0x00000004));
  byte = I2C3->RXDR & 0x000000FF;  
  while(!(I2C3->ISR & 0x00000040));
 
  I2C3->CR2 |= 0x00004000;         
  Delay_us(10);
 
  return byte;                                  
}