Linux USB

USB Disk

Device Drivers  ---> 
[*] USB support  ---> 
<*>     USB Mass Storage support

File systems  --->  
-*- Native language support  --->   
<*>   NLS ISO 8859-1  (Latin 1; Western European Languages) 

USB to Serial

Device Drivers  --->
<*>   USB Serial Converter support  --->
<*>   USB Winchiphead CH341 Single Port Serial Driver
<*>   USB CP210x family of UART Bridge Controllers  
<*>   USB Prolific 2303 Single Port Serial Driver 

USB Camera

Device Drivers  --->
<*> Multimedia support  --->
[*]   Cameras/video grabbers support
[*]   Media USB Adapters  --->  
<*>   USB Video Class (UVC) 
[*]     UVC input events device support (NEW) 

Also add

<*>   USB SN9C1xx PC Camera Controller support (DEPRECATED)

USB Ethernet

Device Drivers  --->
[*] Network device support  ---> 
USB Network Adapters  ---> 
<*> USB Pegasus/Pegasus-II based ethernet device support
<*> Realtek RTL8152 Based USB 2.0 Ethernet Adapters 
<*> Multi-purpose USB Networking Framework 
<*>   ASIX AX88xxx Based USB 2.0 Ethernet Adapters

插上绿联带网口HUB(AX88772B方案)，可以识别网卡，但udhcpc无法获得ip。使用小米USB网卡，能识别并能udhcpc获取IP，经过测试发现，F1C200S对USB HUB的支持不好，所以尽量不要使用HUB。