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4 第四部分 扩展模块功能演示4.1 RTL8188 模块功能演示（WIFI Client）【测试说明】：使用RTL8188作为无线网卡连接到WIFI AP。
' C2 I8 J: V6 x; x% V【接口标识】：WIFI、WIFI_ANT
& A1 Z# N* a( g【系统设备】：wlan0& x% m6 A. q6 s* t' V
测试操作
7 B7 X# i' h. _7 G1. 确定“WIFI”标识处有贴上WIFI模块，否则无需进行测试。
* O6 e2 {. B. t+ w0 P2. 把WIFI天线连接到“WIFI_ANT”标识的接口上。& I3 v& N$ w1 U" ~
3. 生成 SSID 的 WPA PSK 文件
2 j! s' n. Z/ U8 h命令格式: wpa_passphrase <ssid> [passphrase] =====> 输入指令: wpa_passphrase MY-TEST-AP myzr2012 > /etc/wpa_supplicant.conf pkill wpa_supplicant 4. 连接 =====> 输入指令: wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf 6 S! B) A1 v% D. M' v
=====> 输出信息： Successfully initialized wpa_supplicant RFkill: Cannot open RFKILL control device ==> rtl8188e_iol_efuse_patch IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready ...... 5. 获取 IP =====> 输入指令: udhcpc -i wlan0
* r, |" }" u3 p3 ^" N0 l=====> 输出信息： udhcpc (v1.23.1) started Sending discover... Sending select for 192.168.43.121... Lease of 192.168.43.121 obtained, lease time 3600 /etc/udhcpc.d/50default: Adding DNS 192.168.43.1 6. 测试连接 =====> 输入指令: ping -I wlan0 192.168.43.1 -c 2 -w 4
$ }$ E; k# q4 U7 S1 m' G9 R=====> 输出信息： PING 192.168.43.1 (192.168.43.1) from 192.168.43.130 wlan0: 56(84) bytes of data. 64 bytes from 192.168.43.1: icmp_seq=1 ttl=64 time=5.66 ms 64 bytes from 192.168.43.1: icmp_seq=2 ttl=64 time=9.22 ms
8 n: R l/ e: Z# \$ m( g--- 192.168.43.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1000ms rtt min/avg/max/mdev = 5.663/7.444/9.226/1.783 ms 测试结果
; h3 R1 k& C& }6 H“0% packet loss”表示WIFI连接正常。 $ Z6 x$ g8 c4 S$ k/ e. z
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4.2 RTL8188 模块功能演示（WIFI AP mode）
/ G' v8 ?& }& k0 e( _. G, K【测试说明】：使用RTL8188作为WIFI AP，并把手机连接到此AP。
& W# ?2 A* l. P* h+ L, ]8 ~% F8 n【接口标识】：WIFI、WIFI_ANT& d( ]9 A0 L$ y" q5 A! N8 [
【系统设备】：wlan00 e$ a! F( |9 f! G
测试操作2 |' I9 s7 E6 v
1. 确定“WIFI”标识处有贴上WIFI模块，否则无需进行测试。
$ C8 ]( x1 o0 k+ C0 r) L2. 把WIFI天线连接到“WIFI_ANT”标识的接口上。+ z: S" P' @6 s
3. 为 wlan0 配置 IP： =====> 输入指令: ifconfig wlan0 192.168.99.1 " s/ w# {# H9 N
=====> 输出信息： ==> rtl8188e_iol_efuse_patch IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready 4. 为 wlan0 启用 DHCP 服务： =====> 输入指令: touch /var/lib/misc/udhcpd.leases udhcpd -f /etc/my_udhcpd.conf & 8 c7 z* }3 l( j: q+ m# j, J
=====> 输出信息： [1] 469 udhcpd (v1.23.1) started 5. 为 wlan0 启用 Host-AP 功能 =====> 输入指令: hostapd /etc/my_hostapd.conf -B
! S1 y! M9 E2 {! p/ M6 L4 P=====> 输出信息： Configuration file: /etc/my_hostapd.conf rfkill: Cannot open RFKILL control device Using interface wlan0 with hwaddr e0:b9:4d:7f:e4:40 and ssid "MY_HOSTAP_V25" RTL871X: set group key camid:1, addr:00:00:00:00:00:00, kid:1, type:AES wlan0: interface state UNINITIALIZED->ENABLED wlan0: AP-ENABLED 6. 客户端设备连接到 Host-AP
0 F, ~# A+ C# f" F% p2 D$ ?& D( X; z至此，开发板的 Host-AP 功能已启用，客户端设备可搜索“MY_HOSTAP_V25”，通过密码“myzr2012”连接到此AP。0 J7 U* y& A3 o! ?' n ~6 m) T
测试结果! J/ E- ?) @! u6 k4 _, T0 e6 E
1. 设备连接成功时产生的信息 =====> 输出信息： Sending OFFER of 192.168.12.20 Sending OFFER of 192.168.12.20 Sending ACK to 192.168.12.20 2. 设备断开连接时产生的信息 =====> 输出信息： RTL871X: OnDeAuth(wlan0) reason=3, ta=b4:0b:44:f5:64:2f RTL871X: clear key for addr:b4:0b:44:f5:64:2f, camid:4 ! l9 k. y# Z x: Z
% t& l3 }; I) V% w4.3 EC20 模块测试【测试说明】：4G连接成功后，开发板向外网发送ICMP报文来验证连接正常。! \; b+ j, B: b. h
【接口标识】：MINI_PCIE/ k I; e) B3 {# q
【系统设备】：eth2
0 a* Q2 C3 D7 {- R) l3 m测试操作- _9 L+ Y* D+ N- ^8 M$ D
1. 开发板断电，接上4G模块，接上天线并插入SIM卡后启动评估板。
' f0 t5 b2 ^# n7 f0 n- {- ^; O! d- h, _2. 使用指令进行网络连接： =====> 输入指令: /my-demo/gcc-linaro-5.3-ARM/quectel-CM & 8 G. F. H" j* o- j
=====> 输出信息： [1] 540 [12-18_03:17:06:719] WCDMA<E_QConnectManager_Linux&Android_V1.1.34 [12-18_03:17:06:720] /my-demo/gcc-linaro-5.3-arm/quectel-CM profile[1] = (null)/(null)/(null)/0, pincode = (null) [12-18_03:17:06:723] Find /sys/bus/usb/devices/1-1.2 idVendor=2c7c idProduct=0125 [12-18_03:17:06:723] Find /sys/bus/usb/devices/1-1.2:1.4/net/eth2 [12-18_03:17:06:723] Find usbnet_adapter = eth2 [12-18_03:17:06:723] Find /sys/bus/usb/devices/1-1.2:1.4/GobiQMI/qcqmi2 [12-18_03:17:06:724] Find qmichannel = /dev/qcqmi2 [12-18_03:17:06:794] Get clientWDS = 7 [12-18_03:17:06:826] Get clientDMS = 8 [12-18_03:17:06:858] Get clientNAS = 9 [12-18_03:17:06:890] Get clientUIM = 10 [12-18_03:17:06:922] Get clientWDA = 11 [12-18_03:17:06:954] requestBaseBandVersion EC20CEFAR02A10M4G [12-18_03:17:07:050] requestGetSIMStatus SIMStatus: SIM_READY [12-18_03:17:07:082] requestGetProfile[1] cmnet///0 [12-18_03:17:07:114] requestRegistrationState2 MCC: 460, MNC: 0, PS: Attached, DataCap: LTE [12-18_03:17:07:146] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED [12-18_03:17:07:223] requestRegistrationState2 MCC: 460, MNC: 0, PS: Attached, DataCap: LTE [12-18_03:17:07:274] requestSetupDataCall WdsConnectionIPv4Handle: 0x8777e7a0 [12-18_03:17:07:370] requestQueryDataCall IPv4ConnectionStatus: CONNECTED [12-18_03:17:07:403] ifconfig eth2 up [12-18_03:17:07:452] busybox udhcpc -f -n -q -t 5 -i eth2 [12-18_03:17:07:492] udhcpc (v1.23.1) started [12-18_03:17:07:656] Sending discover... [12-18_03:17:07:706] Sending select for 10.25.154.46... [12-18_03:17:07:766] Lease of 10.25.154.46 obtained, lease time 7200 [12-18_03:17:07:888] /etc/udhcpc.d/50default: Adding DNS 211.136.17.107 [12-18_03:17:07:888] /etc/udhcpc.d/50default: Adding DNS 211.136.20.203 3. 测试连接 =====> 输入指令:
7 A. _3 l4 y/ _) C" H, V, k=====> 输出信息： 64 bytes from 14.215.177.38: seq=0 ttl=49 time=15.753 ms 64 bytes from 14.215.177.38: seq=1 ttl=49 time=11.835 ms - }! N* r! C) l# \
2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max = 11.835/13.794/15.753 ms 测试结果
+ i3 Z. m4 e5 d“0% packet loss”表示WIFI连接正常。 9 C* U2 V/ m( I4 f- B0 D
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发表于 2019-8-7 11:21
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