运行在arm平台linux中，使用qt软件开发，可以接受串口数据，并且在打开的窗口中用曲线的方式即时显示出来。程序中用到串口方面以及qt图形界面和c++知识。-Run on arm platform, linux, using qt software development, can accept serial data, and open the window curves method using real-time display. Procedures used in serial port as well as qt graphical interface, and c++ knowledge.