QIODevice::write: device not open
树莓派3B的串口默认是被占用的， 串口0对应的是ttyS0web 在命令行里输入以下指令：svg sudo raspi-config命令行 在以下出现的界面中选择 5 选择“P6 Serial”，而后把它关闭了，即Disable。 code 打开/boot/config.txt文件，找到以下配置语句使能串口，若是没有，可添加在文件最后。xml enable_uart=1对象 而后修改串口的权限，防
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相关文章
- 1. Open Firmware 之Device Tree
- 2. frida.InvalidArgumentError: device not found
- 3. open failed: EBUSY (Device or resource busy)
- 4. Open Supervised Device Protocol (OSDP) 总结
- 5. Could not open device at /dev/ipmi0 or /dev/ipmi/0
- 6. device not managed by NetworkManager
- 7. could not open postman
- 8. gitlab fatal: could not read Username for : Device not configured
- 9. jdk--could not open jvm.cfg
- 10. VS could not open file