系统启动正常，也能识别到两个sd，sd0和sd1如下所示：\ | /
– RT – Thread Operating System
/ | \ 4.0.3 build May 31 2020
2006 – 2020 Copyright by rt-thread team
[32m[I/I2C] I2C bus [i2c0] registered[0m
[32m[I/I2C] I2C bus [i2c1] registered[0m
[15:06:39.181]收←◆[32m[I/SDIO] SD card capacity 31166976 KB.[0m
file system initialization failed!
boot cpu:3
cpu 3 startup.
found part[0], begin: 4194304, size: 256.0MB
found part[1], begin: 272629760, size: 6.580GB
start OK: CPU 3
boot cpu:2
cpu = 0x00000002
cpu 2 startup.
start OK: CPU 2
boot cpu:1
cpu = 0x00000001
cpu 1 startup.
start OK: CPU 1
也能发现两个设备，如下所示：[15:06:48.373]收←◆list_device
device type ref count
——– ——————– ———-
sd1 Block Device 0
sd0 Block Device 1
hdmi Graphic Device 0
rtc RTC 0
spi0.1 SPI Device 0
spi0.0 SPI Device 0
spi0 SPI Bus 0
wdg Miscellaneous Device 0
i2c1 I2C Bus 0
i2c0 I2C Bus 0
gpio Miscellaneous Device 0
timer3 Timer Device 0
timer1 Timer Device 0
uart1 Character Device 2
但是代码里，dfs_mount只能挂载sd0，sd0改成sd1就挂载失败
dfs_mount(“sd0”, “/”, “elm”, 0, 0) 可以
dfs_mount(“sd1”, “/”, “elm”, 0, 0) 失败