//修改这个文件/etc/init.d/rc.local
export DISPLAY=:0.0//设置显示设备,否则会提示QXcbConnection: Could not connect to display
cd / //进入应用所在的目录
./untitled & //后台执行QT应用
ifconfig can0 down //设置CAN波特率
ip link set can0 type can bitrate 500000 triple-sampling on
ifconfig can0 up
amixer set PCM 100% //设置音量
![](https://img.haomeiwen.com/i2385803/7add7a7b92df532e.png)
网友评论