TF Card

1. TF卡接口介绍

TF卡图：

以M5-R1为例，板卡上带有一个TF卡座，支持TF卡热插拔

2. 检查TF卡

root@rk3588-buildroot:/# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root        14G  712M   13G   6% /
devtmpfs        1.8G  8.0K  1.8G   1% /dev
tmpfs           2.0G  140K  2.0G   1% /tmp
tmpfs           2.0G  420K  2.0G   1% /run
tmpfs           2.0G  408K  2.0G   1% /var/log
tmpfs           2.0G     0  2.0G   0% /dev/shm
/dev/mmcblk0p7  124M   12M  109M  10% /oem
/dev/mmcblk0p8   15G  412K   15G   1% /userdata
/dev/mmcblk1p1  7.5G   16K  7.5G   1% /mnt/sdcard
root@rk3588-buildroot:/# ls /mnt/sdcard
'System Volume Information'   testfile
root@rk3588-buildroot:/#