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
   
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
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8.     echo "" >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
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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
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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/
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14. 3. restart/start service
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15.     systemctl enable systemd-networkd.service
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16.    
    
17.     systemctl restart systemd-networkd.service
    
18.    
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19. 
    
20. 
    
21. info:
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22. How to list SSID available
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23.     ifconfig wlan0 up
    
24.     iw dev wlan0 scan | grep SSID
    
25.     or
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26.     iwlist wlan0 scanning | grep ESSID
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27. 
    
28. e.g.
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29. wpa_passphrase peszazurehear pass.w0rd, >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf

复制代码

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//启动WiFi
2 N+ R/ ]/ ~# h% `5 _- {4 }ifconfig wlan0 up
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//关闭wifi
" |+ Q! ]6 @3 a- Gifconfig wlan0 down

  |- p+ G. w& Q3 i/ h% g! I: I//搜索可以连接的wifi
/ o+ ^8 a; ]$ e8 fiw dev wlan0 scan |grep SSID
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//wpa_passphrase 设置 wifi 名字和密码
/ `: U+ \+ Y; j$ k- T% Fwpa_passphrase name passward>> /etc/wpa_supplicant.conf
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+ M) B1 a( Y  J! g5 P3 ]3 |# G//初始化 wpa_supplicant
/ i: y" T/ y/ r! w% P' Ewpa_supplicant -B -iwlan0 -c /etc/wpa_supplicant.conf

- e: o) C9 O( A7 W1 w2 u( A//连接wifi
iw wlan0 link
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: u1 D) {5 i3 l: H/ `0 \//获取 WiFi IP 地址
5 N. K- @& r- e' Rudhcpc -i wlan0

//wifi连接后ping外网测试
ping -I wlan0 www.baidu.com


设置开机自启动WiFi
systemctl enable wpa_supplicant@wlan0.service

2 m5 t9 N) b0 _" }: w将 wpa_supplicant.conf 改成 wpa_supplicant-wlan0.conf 并拷贝到新建的目录下
/etc/wpa_supplican

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