//---初始化-------------------------------------------------//
void I2C_EEInit(void)
{
 u8 Input_Clock = 0x0;
 Input_Clock = CLK_GetClockFreq()/1000000; 
 I2C_Cmd(ENABLE);
 I2C_Init(I2C_Speed, I2C1_SLAVE_ADDRESS7, I2C_DUTYCYCLE_2,I2C_ACK_CURR, I2C_ADDMODE_7BIT, Input_Clock);
} //-----向器件指定地址写一个字节---------------------------------------//
void I2C_EE_ByteWrite(u16 WriteAddr,u8 Data)
{
 I2C_GenerateSTART(ENABLE);while(!I2C_CheckEvent(I2C_EVENT_MASTER_MODE_SELECT));
 I2C_Send7bitAddress(0xa0,I2C_DIRECTION_TX);  while(!I2C_CheckEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED ));
 I2C_SendData(WriteAddr>>8);while (!I2C_CheckEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING));
 I2C_SendData(WriteAddr&0xff);while (!I2C_CheckEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING));
 I2C_GenerateSTART(ENABLE); while(!I2C_CheckEvent(I2C_EVENT_MASTER_MODE_SELECT)); 
 I2C_Send7bitAddress(0xa0, I2C_DIRECTION_RX);while (!I2C_CheckEvent(I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));
 I2C_ClearFlag(I2C_FLAG_ADDRESSSENTMATCHED);
 I2C_SendData(Data); while(!I2C_CheckEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED));
 I2C_GenerateSTOP(ENABLE);
}
void I2C_EE_BufferWrite(u8 * pBuffer, u16 WriteAddr, u16 NumByteToWrite )
{
 u16 i;
 for(i=0;i<NumByteToWrite;i++)
 {
  I2C_EE_ByteWrite(WriteAddr+i,* (pBuffer+i));
 }
} //读回存放数组，器件ID，寄存器起始地址，数据数量
void I2C_EE_BufferRead(u8* pBuffer,u8 ReadAddr, u8 NumByteToRead)
{  
 while(I2C_GetFlagStatus(I2C_FLAG_BUSBUSY));
 I2C_GenerateSTART(ENABLE); while (!I2C_CheckEvent(I2C_EVENT_MASTER_MODE_SELECT )); 
 I2C_Send7bitAddress(0xa0, I2C_DIRECTION_TX); while (!I2C_CheckEvent(I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));  I2C_Cmd(ENABLE);
 I2C_SendData(ReadAddr>>8);while (!I2C_CheckEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED));
 I2C_SendData(ReadAddr&0xff);while (!I2C_CheckEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED));
 I2C_GenerateSTART(ENABLE); while (!I2C_CheckEvent(I2C_EVENT_MASTER_MODE_SELECT));
 I2C_Send7bitAddress(0xa0, I2C_DIRECTION_RX); while (!I2C_CheckEvent(I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));  while(NumByteToRead) 
 {
  if(NumByteToRead == 1)
  {
   I2C_AcknowledgeConfig(I2C_ACK_NONE);
   I2C_GenerateSTOP(ENABLE);
  }   if(I2C_CheckEvent(I2C_EVENT_MASTER_BYTE_RECEIVED)) 
  {      
   *pBuffer = I2C_ReceiveData();
   pBuffer++; 
   NumByteToRead--;       
  }  
 }
 I2C_AcknowledgeConfig(I2C_ACK_CURR);
}
固件库 version V2.1.0