嵌入式Linux使用USB无线网卡 （续）——使用自带的驱动
参考：http://blog.sina.com.cn/s/blog_9e0a56500102v772.html
GM8139提供的linux-3.3带有rtl8192cu驱动
(1). Networking support
--->Wireless下增加802.11 协议栈的支持
(2)、USB 支持WIFI 的配置
USB 支持WIFI 的配置选项位于Device Drivers >USB support 配置菜单下USBWireless
DeviceManagementsupport。(3)、用户空间的mdev 和firmware 支持配置 进入Device Driver > Generic Driver Options配置菜单，按照下图所示配置用户空间的mdev 和firmware 支持
(4)、WIFI 设备支持配置
Device Drivers
---> Network device support ---> Wireless LAN --->
选则rtl相关的
插入usb网卡
usb 1-1: new high-speed USB device number 2 using fotg210
rtl8192cu: rtl8192cu: Chip version 0x11
rtl8192cu: MAC address: 08:10:79:17:db:6b
rtl8192cu: Board Type
iwconfig
hwsim0 no wireless extensions.
lo no wireless extensions.
wlan1 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
wlan0 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
eth0 no wireless extensions.
这里有两个了不知道是哪个
还像都没用，还得再看