STM32 HAL FLASH 读写例程

//FLASH写入数据测试
void Flash_WriteData(uint32_t addr,uint16_t *data,uint16_t Size)
{
    //1、解锁FLASH
  HAL_FLASH_Unlock();

    //2、擦除FLASH
    //初始化FLASH_EraseInitTypeDef
    FLASH_EraseInitTypeDef f;
    f.TypeErase = FLASH_TYPEERASE_PAGES;
    f.PageAddress = addr;
    f.NbPages = 1;
    //设置PageError
    uint32_t PageError = 0;
    //调用擦除函数
    HAL_FLASHEx_Erase(&f, &PageError);

    //3、对FLASH烧写
	  uint32_t TempBuf = 0;
	  for(uint32_t i = 0;i< Size ;i++)
	 {
		 TempBuf = ~(*(data+i));
		 TempBuf <<= 16;
		 TempBuf += *(data+i); //取反校验
		 HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD , addr + i * 4, TempBuf);
	 }
  
    //4、锁住FLASH
  HAL_FLASH_Lock();
}

//FLASH读取数据测试,成功返回1
uint8_t Flash_ReadData(uint32_t addr,uint16_t *data,uint16_t Size)
{
  uint32_t temp;
	uint8_t result = 1;
  for(uint32_t i = 0;i< Size ;i++)
	{
			temp = *(__IO uint32_t*)(addr + i * 4);
		  if((uint16_t)temp == (uint16_t)(~(temp>>16)))
			{
				*(data+i) = (uint16_t)temp;
			}
			else
			{
				result = 0;
			}
	}
  return result;
}


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转载自blog.csdn.net/tiantangmoke/article/details/91434727