求助，硬件IIC读写EEPROM，读写出错~

只看该作者 · 2018-7-14 11:36

使用硬件I2C，配置了GPIO和I2C模式，测试读写EEPROM，总是返回写数据失败！驱动编写如下，请问大神哪些地方有可能出错呢？？怎么就是读写不进去？？
使用的F767IGT6开发版

int main(void)
{

SystemClock_Config();
LED_GPIO_Config();
LED_BLUE;
DEBUG_USART_Config();
SysTick_Init();
I2C_EE_Init();

if(I2C_Test() ==1)
{
      LED_GREEN;
}
else
{
      LED_RED;
}

while (1)
{

}

}

void I2C_GPIO_Config(void)
{

  GPIO_InitTypeDef  GPIO_InitStructure;

  /*!< EEPROM_I2C Periph clock enable */
  EEPROM_I2C_CLK_ENABLE();

  /*!< EEPROM_I2C_SCL_GPIO_CLK and EEPROM_I2C_SDA_GPIO_CLK Periph clock enable */
  EEPROM_I2C_SCL_GPIO_CLK_ENABLE();
  EEPROM_I2C_SDA_GPIO_CLK_ENABLE();

  /*!< Configure EEPROM_I2C pins: SCL */
  GPIO_InitStructure.Pin = EEPROM_I2C_SCL_PIN;
  GPIO_InitStructure.Mode = GPIO_MODE_AF_OD;
  GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
  GPIO_InitStructure.Pull  = GPIO_NOPULL;
  GPIO_InitStructure.Alternate = EEPROM_I2C_SCL_AF;
  HAL_GPIO_Init(EEPROM_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);

  /*!< Configure EEPROM_I2C pins: SDA */
  GPIO_InitStructure.Pin = EEPROM_I2C_SDA_PIN;
  HAL_GPIO_Init(EEPROM_I2C_SDA_GPIO_PORT, &GPIO_InitStructure);

}

void I2C_Mode_Config(void)
{

I2C_Handle.Instance = EEPROM_I2C;
I2C_Handle.Init.Timing          = 0x90913232;//100KHz
I2C_Handle.Init.OwnAddress1    = 0;
I2C_Handle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
I2C_Handle.Init.DualAddressMode  = I2C_DUALADDRESS_DISABLE;
I2C_Handle.Init.OwnAddress2    = 0;
I2C_Handle.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
I2C_Handle.Init.GeneralCallMode  = I2C_GENERALCALL_DISABLE;
I2C_Handle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;

HAL_I2C_Init(&I2C_Handle);

HAL_I2CEx_AnalogFilter_Config(&I2C_Handle, I2C_ANALOGFILTER_ENABLE);
}

void I2C_EE_Init(void)
{
  I2C_GPIO_Config();

  I2C_Mode_Config();
}

uint8_t I2C_Test(void)
{
u16 i;

printf(&quot;写入数据&quot;);

for ( i=0; i<=255; i++ )
  {
I2c_Buf_Write = i;

printf(&quot;0x%02X &quot;, I2c_Buf_Write);
if(i%16 == 15)
      printf(&quot;

&quot;);
}

  if(HAL_I2C_Mem_Write(&I2C_Handle, 0xA0, 0, I2C_MEMADD_SIZE_8BIT,I2c_Buf_Write,256, 0x10) == HAL_OK )

printf(&quot;写入数据成功&quot;);
  else
  {
   printf(&quot;写入数据失败&quot;);
   return 0;
  }
  printf(&quot;读出数据&quot;);
  if(HAL_I2C_IsDeviceReady(&I2C_Handle,0xA0, 10, 1000)!=HAL_OK)
return 0;
  HAL_I2C_Mem_Read(&I2C_Handle,0xA1, 0, I2C_MEMADD_SIZE_8BIT,I2c_Buf_Read,256, 0x10);
for (i=0; i<256; i++)
{
      if(I2c_Buf_Read != I2c_Buf_Write)
      {
         printf(&quot;0x%02X &quot;, I2c_Buf_Read);
         printf(&quot;写入与读出不一致&quot;);
         return 0;
      }
printf(&quot;0x%02X &quot;, I2c_Buf_Read);
if(i%16 == 15)
      printf(&quot;

&quot;);

}
printf(&quot;读写测试成功&quot;);
return 1;
}

求助，硬件IIC读写EEPROM，读写出错~

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