wifi模块调式过程

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Wifi模块调试

手动连接wifi

1.开机进入终端，运行：mkdir -p /etc/Wireless/RT2870STA建立目录；串口下载 RT2870STA.dat 到目录/etc/Wireless/RT2870STA.

2. 修改/etc/wifi/wpa_supplicant.conf文件为如下内容：

#########################################

ctrl_interface=/var/run/wpa_supplicant #自己新建

//ctrl_interface=/system/bin/wpa_supplicant

network={

ssid="witsi" #网络ssid号，根据要连接网络修改

scan_ssid=1

key_mgmt=WPA-EAP WPA-PSK IEEE8021X NONE

pairwise=TKIP CCMP

group=CCMP TKIP WEP104 WEP40

psk="witsi@fj" #网络密码，根据实际情况修改

}

3. 装载驱动 insmod rt5370sta.ko, 查看提示信息：

4. 运行wifi链接服务程序：wpa_supplicant -Dwext -ira0 -c/etc/wifi/wpa_supplicant.conf–B

5. cat /proc/net/wireless #查看ra0是否接入

6. busybox ifconfig #查看ra0是否成功打开

7. netcfg ra0 dhcp ###安卓下自动获取网络ip

ifconfig ra0 up###打开网卡

udhcpc-ira0 & ### linux下自动获取网络ip

busyboxifconfig ra0 192.168.1.~ ###手动分配ip

busybox iproute add default via 192.168.1.1###手动添加网关：

自动连接wifi(android private)

参考网站:

http://blog.csdn.net/ic_soc_arm_robin/article/details/7265640?ADUIN=248232729&ADSESSION=1386034277&ADTAG=CLIENT.QQ.5239_.0&ADPUBNO=26248

1.移植驱动

2.修改init.rc文件

#wpa_supplicantcontrol socket for android wifi.c

# mkdir /data/system/wpa_supplicant 0777 wifiwifi

# chmod 0777 /data/system/wpa_supplicant

mkdir/data/misc/wifi 0770 wifi wifi

mkdir/data/misc/wifi/sockets 0777 wifi wifi

chmod 0777/data/misc/wifi

chown wifi wifi/data/misc/wifi

chown wifi wifi/data/misc/wifi/wpa_supplicant.conf

chmod 0777/data/misc/wifi/wpa_supplicant.conf

chown 0777/data/misc/wifi/sockets

chmod 0777/data/misc/wifi/entropy.bin #bs

chown wifi wifi/data/misc/wifi/entropy.bin #bs

#chown wifi wifi/system/bin/wpa_supplicant #bs

chmod 0777/system/bin/wpa_supplicant #bs

#end bswpa_supplicant control socket for android wifi.c

mkdir/data/misc/dhcp 0777 dhcp dhcp

chmod 0777/data/misc/dhcp

service wpa_supplicant/system/bin/wpa_supplicant -Dwext -iwlan0 -c /etc/wifi/wpa_supplic

user root group system wifi inet socket wpa_wlan0 dgram 0660 wifi wifi disabled oneshot

3.在init.smdkv210.rc中添加

service dhcpcd_wlan0 /system/bin/dhcpcd -ABKL

classmain

disabled

oneshot

service iprenew_wlan0 /system/bin/dhcpcd -n

classmain

disabled

oneshot

service installko /system/etc/init.tiny4412.sh

classcore

userroot

grouproot

oneshot

4.在/system/etc/init.tiny4412.sh 中添加

insmod/system/lib/modules/rt3070sta.ko

5.更改/system/etc/dhcpcd.conf和/system/etc/dhcp/dhcpcd.conf

interface wlan0

option subnet_mask, routers,domain_name_servers

6.在etc/wifi/中添加wpa_supplicant.conf

ctrl_interface=wlan0

update_config=1

eapol_version=1

ap_scan=1

fast_reauth=1

7. mkdir -p /etc/Wireless/RT2870STA建立目录；把RT2870STA.dat复制到目录/etc/Wireless/RT2870STA下

8.若已经连接,,并且获取ip地址,但是无法连接外网,修改

~/android/device/Samsung/smdkv210/overlay/frameworks/base/core/res/res/values/config.xml

添加

<string-arraytranslatable=“false” name= “networkAttributes”>

<item>”Ethernet,9,9,1,-1,true”</item>

<string-arraytranslatable=“false” name= “radioAttributes”>

当系统重新移植时,需要重新转载rt3070sta.ko驱动

找到最新的kernel目录,进入目录下,找到rt3070_linux文件夹,并且进入,然后重新make,生成一个ko文件,替换原来的ko文件:

在/system/lib/mould/文件夹下面有个rt3070sta.ko文件,卸载掉:

卸载命令:rmmod rt3070sta.ko

并且将文件删除,

删除命令:rm rt3070sta.ko

然后装载最新的rt3070sta.ko

装载驱动命令:insmod rt3070sta.ko

如果以上都不成功,查看天线是否插好了,天线位置是否正确

编译的rt3070sta.ko环境需要和文件系统,kernel一致

添加rt3070sta.ko 到文件系统/vendor/Samsung/smdkv210/prebuilt,替换掉原来的,重新编译

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