Mini2440使用USB無線網卡（wifi）

先把usb-wifi-kits-for-mini2440-linux-2.6.32.2-20100728.tar.gz這個壓縮包拷貝到mini2440的linux系統中，然後直接在根系統下面解壓縮，使用以下命令：
#tar  -xzvf  usb-wifi-kits-for-mini2440-linux-2.6.32.2-20100728.tar.gz  -C  /
（參考：http://www.arm9home.net/read.php?tid-12194.html使用USB無線網卡和USB攝像頭打造mini2440無線監控系統  http://www.arm9home.net/read.php?tid-7237.html打造mini2440上的萬能USB無線網卡工具包）
用人家做好的最新的內核mini2440-linux-image-20100925.zip包裏的zImage_X35，插上USB無線網卡B-Link有以下信息：
usb 1-1: new full speed USB device using s3c2410-ohci and address 4
usb 1-1: New USB device found, idVendor=0bda, idProduct=8176
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1: Product: 802.11n WLAN Adapter
usb 1-1: Manufacturer: Realtek
usb 1-1: SerialNumber: 00e04c000001
usb 1-1: configuration #1 chosen from 1 choice
然而scan-wifi之後，ifconfig並不能查看到wlan0信息。可見該內核也不能支持該無線網卡。
用TP-LINK的TL-WN322G+試一下：
[root@FriendlyARM /]# usb 1-1: new full speed USB device using s3c2410-ohci and address 3
usb 1-1: New USB device found, idVendor=0cf3, idProduct=1006
usb 1-1: New USB device strings: Mfr=16, Product=32, SerialNumber=48
usb 1-1: Product: USB2.0 WLAN
usb 1-1: Manufacturer: ATHEROS
usb 1-1: SerialNumber: 12345
usb 1-1: configuration #1 chosen from 1 choice
[root@FriendlyARM /]# scan-wifi 
     63% CMCC
     81% CMCC-AUTO(Security)
(Security)
     54% CMCC-AUTO(Security)
(Security)
     50% CMCC
     51% hquic(Security)
     57% CMCC-2013(Security)
     51% OpenWrt(Security)
     44% TP-LINK_1387D9
     39% ChinaNet-QD7d(Security)
     29% CMCC-AUTO(Security)
[root@FriendlyARM /]#start-wifi wpa2 hquic 12345678
cfg80211: Calling CRDA to update world regulatory domain
udhcpc (v1.13.3) started
Sending discover...
Sending discover...
Sending discover...
Sending discover...
Sending discover...
Sending discover...
Sending select for 192.168.1.5...
Sending select for 192.168.1.5...
Lease of 192.168.1.5 obtained, lease time 86400
deleting routers
route: SIOCDELRT: No such process
adding dns 218.85.157.99
adding dns 218.85.152.99
便是漫長的等待。。
如果可以的話，ifconfig會出現以下信息：
lo        Link encap:Local Loopback 
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:2 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:160 (160.0 B)  TX bytes:160 (160.0 B)

wlan0     Link encap:Ethernet  HWaddr B0:48:7A:09:90:D8 
          inet addr:192.168.1.5  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:4238 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1479 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1732306 (1.6 MiB)  TX bytes:190157 (185.7 KiB)
ping 192.168.2.145和聯了網的PC機通信，可以看出聯上了的信息。然而，在PC機輸入telnet 192.168.1.5或ping 192.168.1.5都沒效果。
在也用無線網卡聯同一局域網的PC機（IP地址：192.168.1.6）cmd：輸入telnet 192.168.1.5，可以遠程控制開發板，但是速度很卡。效果不佳。
#ifconfig wlan0 down可以斷開網絡連接。