F429 FLASH 写入数据函数擦除扇区问题

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石头张|

楼主 | 2018-7-15 11:42 | 只看该作者回帖奖励

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flash, 函数, se, ge, ni

u8 Flash_Write_Byte(u8 data,u32 addr)
{
      FLASH_EraseInitTypeDef Erase_Init;
      u32 SectorError;
      u8 sector = STMFLASH_GetFlashSector(addr + FLASH_BASE_ADDR);
      u32 Bank = Flash_GetBank(sector);

      HAL_FLASH_Unlock();
      FLASH_WaitForLastOperation(50000);

      Erase_Init.Banks = Bank;
      Erase_Init.NbSectors = 1;
      Erase_Init.Sector = sector;
      Erase_Init.TypeErase = FLASH_TYPEERASE_SECTORS;
      Erase_Init.VoltageRange = FLASH_VOLTAGE_RANGE_3;
      //调试一旦运行到此处再往下走就直接出错了必须要重新下载程序才能运行
      //0xFFFFFFFE 0000    MOVS       r0,r0= FLASH_VOLTAGE_RANGE_3;  汇编窗口就一直在这里
      //请问下这是怎么回事啊？

      if(HAL_FLASHEx_Erase(&Erase_Init,&SectorError) != HAL_OK)
      {
            return 1;
      }
      FLASH_WaitForLastOperation(50000);
      HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE ,(addr + FLASH_BASE_ADDR) , data);
      FLASH_WaitForLastOperation(50000);
      HAL_FLASH_Lock();

      return 0;
}

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