wi pi快速操作指南基于bb black

硬件/軟件環(huán)境準(zhǔn) 硬件環(huán) 軟件環(huán) 安裝驅(qū) 安裝并使用putty軟 安裝無線上網(wǎng)工 連接到無線網(wǎng) 連 硬件/軟件環(huán)境準(zhǔn)5V電源MiniUSB線WI-PI模塊圖 找到GadgetSerial設(shè) 圖 1-點擊“瀏覽”按鈕，從“BEAGLEBONE”盤符中找到 1-putty從putty軟1- 1-編輯_supplicant.service文件，以確保WI-PI模塊能夠上網(wǎng)root@beaglebone:~#root@beaglebone:~#vi “#ExecStart=/usr/sbin/_supplicant–u”，然后保存退出。從http:/ 解壓后得到rt2870.bin固件，并拷貝到U盤，將U盤接入到BB-Black的USB接口，通過以下命令將rt2870.bin到/lib/firmware/下面。root@beaglebone:~#mount-tvfat/dev/sda1root@beaglebone:~#cp/media/card/rt2870.binroot@beaglebone:~#連接到無線網(wǎng)將WI-PIUSB接口。重新上電啟動，系統(tǒng)會自動加載驅(qū)動。并會生成wlan0設(shè)備節(jié)wlan0,執(zhí)行以下命令可看到wlan0的相關(guān)信息：Table wlan0InformationofLinkencap:EthernetHWaddr00:0F:12:52:0C:C5BROADCASTMULTICASTMTU:1500RXpackets:0errors:0dropped:0overruns:0frame:0TXpackets:0errors:0dropped:0overruns:0carrier:0collisions:0txqueuelen:1000RXbytes:0(0.0B)TXbytes:0(0.0連接無加密無線路執(zhí)行以下命令使能root@beaglebone:~#ifconfigwlan0root@beaglebone:~#root@beaglebone:~#iwconfigwlan0 IEEE802.11bgn :"GK- Frequency:2.412 AccessBitRate=18Mb/sRetrylongTx-Power=20RTSPowerManagement:onLinkQuality=70/70Signallevel=-37Rxinvalidnwid:0Rxinvalidcrypt:0RxinvalidTxexcessiveretries:3Invalid Missed運行“iwconfigwlan0設(shè)置IProot@beaglebone:~#routeadddefaultgw root@beaglebone:~#echo"nameserver">64bytesfrom(9):icmp_req=1ttl=47time=16.4ms64bytesfrom(9):icmp_req=2ttl=47time=29.4ms--statistics--5packetstransmitted,5received,0%packetloss,timerttmin/avg/max/mdev=16.485/34.131/69.639/18.880root@beaglebone:~#udhcpc-i連接WEP加密無線路輸入以下命令使能root@beaglebone:~#ifconfigwlan0root@beaglebone:~#root@beaglebone:~#iwconfigwlan0 TIOPkeys:abcdeiwconfigwlan0TIOPkeys:abcde命令表示連接的無線路由器名稱是“TIOPASCIIabcdeWEP 則連接WEP加密無線路 TIOPkey0123-4567-測試前，必須先使用ifconfigwlan0down命令關(guān)閉wifiifconfigwlan0up命令打開wifi設(shè)備才能連接到網(wǎng)絡(luò)。運行連接無線路由命令，如果沒有連接成功，請重復(fù)運行幾次。直到WI-PI連接/PSK加密無線路使能root@beaglebone:~#ifconfigwlan0假設(shè)連接的無線路由E為TEST，是 root@beaglebone:~#root@beaglebone:~# > Sendingdiscover...SendingselectforLeaseof66obtained,leasetime/etc/udhcpc.d/50default:AddingDNS如果ifupwlan0出錯，即/etc/network/ root@beaglebone:~#root@beaglebone:~# _supplicant-B-Dwext-iwlan0-c .步驟4）root@beaglebone:~#udhcpc-iSendingdiscover...SendingSendingselectforLeaseof66obtained,leasetime/etc/udhcpc.d/50default:AddingDNSroot@beaglebone:~#(09)(09)56(84)bytesof64bytesfrom(09):icmp_req=1ttl=50time=510ms6