N32G455 SDIO驱动SD卡无法挂载文件系统是什么原因

现在N32G455 SDIO 驱动SD卡可以正确识别到卡的容量信息；list_device也可以查到SD0设备。

但是会出现[I/SDIO] switching card to high speed failed! 这个信息，而且无法挂载文件系统。测试读写功能也是不行。一直没找到原因。

还请大家帮忙看看是什么原因，谢谢。

sdio驱动文件见上传的drv_sdio.c和drv_sdio.h

msh />
\ | /

RT - Thread Operating System
/ | \ 5.0.0 build Nov 24 2022 17:44:30
2006 - 2022 Copyright by RT-Thread team
msh />[I/SDIO] SD card capacity 62334976 KB.
[I/SDIO] switching card to high speed failed!
msh />list_device
device type ref count

sd0 Block Device 0
wdt WDT Device 0
usart2 Character Device 2
pin Pin Device 0
msh />

jsqueh

2023-1-9 15:47:22

现在可以正确识别到SD卡了，但是设备里面没有。

  | /
- RT -    Thread Operating System
/ |    4.1.0 build Nov 23 2022 09:07:53
2006 - 2022 Copyright by RT-Thread team
Application Version: 1.6.1 build Nov 23 2022
[E/I2C] I2C bus i2c2 not exist
[E/DBG] i2c bus device i2c2 not found!
msh />[I/SDIO] SD card capacity 62334976 KB.
msh />
msh />list_device
                     type       ref count
---------------- -------------------- ----------
wdt             WDT Device          0
spi1          SPI Bus             0
i2c1          I2C Bus             0
adc1          ADC Device          0
uart2          Character Device    2
uart1          Character Device    0
pin             Pin Device          0
msh />