linux 下RTL8723/RTL8188调试记录（命令行）【转】

本文转载自：http://blog.h5min.cn/wuhongxin123/article/details/41820877

本文是在正确安装好wifi驱动后对系统进行的配置。

1.   配置wpa_supplicant的配置文件

在加载驱动之前在/etc下新建目录/wpa_supplicant/wpa_supplicant.conf

配置好需要的wifi的ssid及psk即可

具体配置如下 ：

#vi  wpa_supplicant.conf

ctrl_interface=/var/run/wpa_supplicant

update_config=1

eapol_version=1

fast_reauth=1

network={

ssid="wifi名称"

psk="密码"

priority=1

}

2．加载驱动： insmod     /lib/modules/3.4.39/8723au.ko

3．启动wifi:

# ifconfig  获取wifi名称 一般是wlan0

# ifconfig wlan0 up

4．后台运行wpa_supplicant:

wpa_supplicant-d -Dnl80211 -iwlan0 -c/etc/wpa_supplicant/wpa_supplicant.conf  &

其中 ：

wpa_supplicant：可执行程序

–d ：增加打印信息

-Dnl80211： 驱动名称

-iwlan0：wlan0，网络接口名称

/etc/wpa_supplicant/wpa_supplicant.conf：wpa_supplicant的配置文件path

5. 为wlan0动态分配ip地址：udhcpc -iwlan0

打印如下： udhcpc (v1.18.3)started

Sending discover...

Sending select for 192.168.1.110...

Lease of 192.168.1.110 obtained, lease time 7200

deleting routers

route: SIOCDELRT: No such process

adding dns 192.168.14.12

adding dns 192.168.1.1

6.   查看wlan0状态：# ifconfig

打印如下：

wlan0      Link encap:Ethernet  HWaddr CC:D2:9B:6E:6C:00

inet addr:192.168.1.110  Bcast:255.255.255.255  Mask:255.255.255.0  inet6 addr: fe80::ced2:9bff:fe6e:6c00/64Scope:Link

UP BROADCAST RUNNINGMULTICAST  MTU:1500  Metric:1

RX packets:242 errors:0dropped:1 overruns:0 frame:0

TX packets:25 errors:0 dropped:2overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:36120 (35.2KiB)  TX bytes:3851 (3.7 KiB)

7.   ping 网络测试

# ping www.baidu.com

PING www.baidu.com (112.80.248.73): 56 data bytes

64 bytes from 112.80.248.73: seq=0 ttl=50 time=104.026 ms

64 bytes from 112.80.248.73: seq=1 ttl=50 time=190.992 ms

64 bytes from 112.80.248.73: seq=2 ttl=50 time=316.463 ms

64 bytes from 112.80.248.73: seq=3 ttl=50 time=135.019 ms

64 bytes from 112.80.248.73: seq=4 ttl=50 time=156.059 ms

64 bytes from 112.80.248.73: seq=5 ttl=50 time=79.399 ms

64 bytes from 112.80.248.73: seq=6 ttl=50 time=100.952 ms

64 bytes from 112.80.248.73: seq=7 ttl=50 time=255.441 ms

64 bytes from 112.80.248.73: seq=8 ttl=50 time=143.440 ms

64 bytesfrom 112.80.248.73: seq=9 ttl=50 time=64.766 ms

 

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