EDA365欢迎您登录!
您需要 登录 才可以下载或查看,没有帐号?注册
x
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。3 Z/ Y+ w: k# G# N0 Y5 J
【接口标识】:WIFI、WIFI_ANT
3 s" @/ w, [/ M【系统设备】:wlan02 e- t- c' B7 |; O1 ? d9 v9 F B
测试操作
3 l2 k8 o# Z0 V! i0 R; N5 E1. 确定“WIFI”标识处有贴上WIFI模块,否则无需进行测试。+ {$ A( o/ R' Q% ~! r
2. 把WIFI天线连接到“WIFI_ANT”标识的接口上。
3 b; r- \0 {, }$ ~ Y6 J) k3. 生成 SSID 的 WPA PSK 文件" I4 a0 }) |0 P9 u* B
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
4 Q. ^, ]; a4 o' r" m8 {=====> 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 ' u5 a# [/ L& J" B5 O$ S
=====> 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 ) O3 D ^# L. | |$ F
=====> 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 7 {/ g+ G" f E+ o! C5 k0 h7 h7 U
--- 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
% f& t! C! c( }“0% packet loss”表示WIFI连接正常。 ) d9 u5 ^* ~; x2 @+ W5 q
( |4 T5 F) p$ a, Q * k3 o( e6 [% Z# s# r# D
4.2 RTL8188 模块功能演示(WIFI AP mode)/ w3 G& k4 M% \
【测试说明】:使用RTL8188作为WIFI AP,并把手机连接到此AP。
7 `9 {: U3 N" d5 Z【接口标识】:WIFI、WIFI_ANT6 O5 v+ J2 S$ ]9 {- P2 G
【系统设备】:wlan0. x9 R" Z6 I$ ~4 n1 t) r: c# K7 @
测试操作
6 z& {3 U8 \0 A* v( w1. 确定“WIFI”标识处有贴上WIFI模块,否则无需进行测试。
9 B" L8 S# T, x; r7 b2 t- _4 s( Z2. 把WIFI天线连接到“WIFI_ANT”标识的接口上。4 T, e! {3 G; B8 i, I9 J. P2 {9 m% X4 t
3. 为 wlan0 配置 IP: =====> 输入指令: ifconfig wlan0 192.168.99.1 " J: y8 |/ _; v) w
=====> 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 & 4 V1 t2 P: W2 r8 Q1 x( N
=====> 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 X1 i5 G$ ~* P* G4 l o. J) q
=====> 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
; p# X7 L6 l/ n2 q; J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。7 @4 I8 A" W5 P( |5 @
测试结果
9 V4 x9 z2 I% C G# _/ n! X1. 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
5 q" I& g( H5 g( D" e& n
4 M8 h6 a* D6 M4.3 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。
# c; U5 A# I5 `【接口标识】:MINI_PCIE I5 C/ Z0 m- f9 Z6 T- c! R; g
【系统设备】:eth2
3 F4 c* c9 n3 D, b测试操作' Z4 U% K8 [# S4 R7 |
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。; l0 Q! t! D* r/ ^ {: H/ f; @
2. 使用指令进行网络连接: =====> 输入指令: /my-demo/gcc-linaro-5.3-ARM/quectel-CM &
. L- }5 F/ x$ y/ C- j' M6 K=====> 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:
8 q" v3 X4 e- O% ^4 [/ T, S- p5 E=====> 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
+ `: P& D" Q0 |9 y. r1 ~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
; z0 {( I2 o1 p/ b0 g- f$ l6 n“0% packet loss”表示WIFI连接正常。
$ q0 m F& U9 l; b6 @8 t8 ~- U$ H: m
! R/ V' u: i" T- v; t' a% z8 N$ g2 E" `9 O+ x
|