系统版本：$uname -a
Linux yuliang-Veriton-M670G 3.11.0-17-generic #31~precise1-Ubuntu SMP Tue Feb 4 21:25:43 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
设备信息：TL WN725N V2
安装过程如下
$git clone http://github.com/lwfinger/rtl8188eu.git
$cd rtl8188eu
$make
$sudo make install
$sudo reboot
参考信息
https://github.com/liwei/rpi-rtl8188eu/issues/4
可能遇到的错误
/include/osdep_service.h:1397:2: error: implicit declaration of function ‘daemonize’ [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[2]: *** [/home/yuliang/Documents/rpi-rtl8188eu-master/core/rtw_cmd.o] Error 1
make[1]: *** [_module_/home/yuliang/Documents/rpi-rtl8188eu-master] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-3.11.0-17-generic'
make: *** [modules] Error 2
按照上述步骤即可规避错误。