串口程序，内有详细的注释，是参考网上流传的串口调试助手写的，在此进行了分栏显示的改进，学习者也可以将其中的控件属性设置为可见，实现和串口调试助手一样的功能。-Serial process, with detailed notes, with reference to the spread of online serial debugging assistant written in this column have been shown to improve, learners can also