spi flash挂载FatFs异常

发布于 2019-08-24 14:11:40 浏览：2123 订阅该版

基于M25P80 spi flash，使用SFUD通用驱动库，貌似M25P80被识别到了，finsh输出信息如下:
 \ | /
- RT -     Thread Operating System
 / | \     3.1.4 build Aug 24 2019
 2006 - 2019 Copyright by rt-thread team
[SFUD] Warning: Read SFDP parameter header information failed. The M25P80 is not support JEDEC SFDP.
[SFUD] Find a Micron M25P80 flash chip. Size is 1048576 bytes.
[SFUD] M25P80 flash device is initialize success.
msh />
，继续挂载文件系统，dfs_mount("M25P80","/","elm",0,0)；finsh输出信息如下：
 \ | /
- RT -     Thread Operating System
 / | \     3.1.4 build Aug 24 2019
 2006 - 2019 Copyright by rt-thread team
[SFUD] Warning: Read SFDP parameter header information failed. The M25P80 is not support JEDEC SFDP.
[SFUD] Find a Micron M25P80 flash chip. Size is 1048576 bytes.
[SFUD] M25P80 flash device is initialize success.
The sector size of device 65536 is greater than the sector size of FAT.
M25P80 mount to / failed!
msh />；
执行，mkfs -t elm M25P80;打印：msh />mkfs -t elm M25P80
format error
mkfs failed, result=-12
;the sector size of device 超出 4096，不知原因在哪？请教！请教高手！

![TIM截图20190824140240.png](https://oss-club.rt-thread.org/uploads/201908/24/140311nwkq2a2c1qavvsvg.png)