STM32MP1 WiFi连接

1. Documentation to activate manually wireless interface
   
2. 1. generate the specific wpa_supplicant file
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3.     mkdir -p /etc/wpa_supplicant/
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4.     echo "ctrl_interface=/var/run/wpa_supplicant" > /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
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5.     echo "eapol_version=1" >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
   
6.     echo "ap_scan=1" >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
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7.     echo "fast_reauth=1" >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
   
8.     echo "" >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
   
9.     wpa_passphrase SSID_OF_NETWORK PASSWORD_OF_NETWORK >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
   
10.     or
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11.     wpa_passphrase ssid_of_network  >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
    
12. 2. put in place network configuration
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13.    rename file 51-wireless.network.sample to 51-wireless.network on /usr/lib/systemd/network/ or /lib/systemd/network/
    
14. 3. restart/start service
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15.     systemctl enable systemd-networkd.service
    
16.    
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17.     systemctl restart systemd-networkd.service
    
18.    
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19. 
    
20. 
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21. info:
    
22. How to list SSID available
    
23.     ifconfig wlan0 up
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24.     iw dev wlan0 scan | grep SSID
    
25.     or
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26.     iwlist wlan0 scanning | grep ESSID
    
27. 
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28. e.g.
    
29. wpa_passphrase peszazurehear pass.w0rd, >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf

复制代码

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$ O$ j, z# U9 m1 K6 T( t版权声明：zhoujiazhao

//启动WiFi
, z7 a. P+ \3 j* ?' N0 ~ifconfig wlan0 up

//关闭wifi
2 k# d2 D6 h4 o# G, `ifconfig wlan0 down

/ z( `( O0 U8 a& R$ I//搜索可以连接的wifi
! n3 X* Z  M$ _+ f) oiw dev wlan0 scan |grep SSID
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; C. ?. I& A4 D( b* K5 o% B! o7 J//wpa_passphrase 设置 wifi 名字和密码
, o7 h) J* Y/ t& T; {+ twpa_passphrase name passward>> /etc/wpa_supplicant.conf
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: P+ Y5 z, _' M& F0 |* a$ n5 W% i' J//初始化 wpa_supplicant
6 V2 g, d2 l* v" w1 Mwpa_supplicant -B -iwlan0 -c /etc/wpa_supplicant.conf

//连接wifi
* {1 ~6 g+ A" C3 y& B, E: Aiw wlan0 link
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4 |1 d" Z7 U6 F  A. `/ x//获取 WiFi IP 地址
udhcpc -i wlan0
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0 V: ^2 z& P3 h# y1 l//wifi连接后ping外网测试
ping -I wlan0 www.baidu.com

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* ~+ P0 M$ b6 Y  s设置开机自启动WiFi
; _+ g8 `: T) E3 Y% ]: m systemctl enable wpa_supplicant@wlan0.service

将 wpa_supplicant.conf 改成 wpa_supplicant-wlan0.conf 并拷贝到新建的目录下
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去除开机自启动连接WiFi
rm  -rf   /etc/systemd/system/multi-user.target.wants/wpa_supplicant@wlan0.service
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这里也有官方的配置教程

https://wiki.stmicroelectronics.cn/stm32mpu/wiki/How_to_setup_a_WLAN_connection