STM32MP1 WiFi连接

1. Documentation to activate manually wireless interface
   
2. 1. generate the specific wpa_supplicant file
   
3.     mkdir -p /etc/wpa_supplicant/
   
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
   
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
    
11.     wpa_passphrase ssid_of_network  >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
    
12. 2. put in place network configuration
    
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
    
15.     systemctl enable systemd-networkd.service
    
16.    
    
17.     systemctl restart systemd-networkd.service
    
18.    
    
19. 
    
20. 
    
21. info:
    
22. How to list SSID available
    
23.     ifconfig wlan0 up
    
24.     iw dev wlan0 scan | grep SSID
    
25.     or
    
26.     iwlist wlan0 scanning | grep ESSID
    
27. 
    
28. e.g.
    
29. wpa_passphrase peszazurehear pass.w0rd, >> /etc/wpa_supplicant/wpa_supplicant-wlan0.conf

复制代码

————————————————
版权声明：zhoujiazhao

//启动WiFi
ifconfig wlan0 up

//关闭wifi
ifconfig wlan0 down

//搜索可以连接的wifi
iw dev wlan0 scan |grep SSID

//wpa_passphrase 设置 wifi 名字和密码
wpa_passphrase name passward>> /etc/wpa_supplicant.conf

//初始化 wpa_supplicant
wpa_supplicant -B -iwlan0 -c /etc/wpa_supplicant.conf

//连接wifi
iw wlan0 link

//获取 WiFi IP 地址
udhcpc -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

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

这里也有官方的配置教程

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