1. 编译 create_ap 工具,参考github create_ap
2. 创建热点(名称:vim3,密码: abcd@4321):sudo create_ap wlan0 wlan0 vim3 abcd@4321
3. 用电脑或者手机连接热点
4. 配置开机启动
4.1 创建文件夹 /etc/systemd/system/wifi_ap.service.d
4.2 创建文件 /etc/systemd/system/wifi_ap.service.d/wifi_ap.conf,输入内容:
[Service]
ExecStart=
ExecStart=/usr/bin/create_ap wlan0 wlan0 vim3 abcd@4321
4.3 创建文件 /lib/systemd/system/wifi_ap.service,输入内容:
[Unit]
Description=WIFI AP service
Documentation=man:wifi_ap
After=network.target
[Install]
WantedBy=multi-user.target
Alias=wifi_ap.service
4.4 配置开机启动
sudo systemctl enable wifi_ap
4.5 重启开发板,查看网卡信息(ifconfig),如出现ap0网卡表示开机启动AP成功
ap0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.12.1 netmask 255.255.255.0 broadcast 192.168.12.255
inet6 fe80::d412:43ff:fe05:aeb2 prefixlen 64 scopeid 0x20<link>
ether d6:12:43:05:ae:b2 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 37 bytes 4588 (4.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
4.6 禁止开机启动
sudo systemctl disable wifi_ap
解决错误:
1. create_ap报错
ERROR: Failed to initialize lock
rm /tmp/create_ap.all.lock