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Milk-V Duo S Usage of USB Type A interface
[] The USB functions of the DuoS USB Type A interface and Type C interface are optional and cannot be used at the same time. The default firmware is configured with the USB network port (RNDIS) function of the Type C port.
If you need to switch to the USB 2.0 HOST port of the Type A port for use with USB flash drives and other devices, you need to execute the following command:
ln -sf /mnt/system/usb-host.sh /mnt/system/usb.sh
sync
[] Then execute the reboot command or power on again to make it take effect.
For example, after connecting a USB flash drive to the USB A port, you can use ls /dev/sd* to check whether the device is detected.
Mount it to the system to view the contents of the USB flash drive (take /dev/sda1 as an example):
mkdir /mnt/udisk
mount /dev/sda1 /mnt/udisk
Check whether the contents of the /mnt/udisk directory are as expected:
ls /mnt/udisk
Command to uninstall USB flash drive:
umount /mnt/udisk
When you want to restore the USB network (RNDIS) function of the Type C port, execute:
rm /mnt/system/usb.sh
ln -sf /mnt/system/usb-rndis.sh /mnt/system/usb.sh
sync
[]Then execute the reboot command or power on again to make it take effect.
