利用串行通信工具作为人机交互终端，实现对板上硬件的控制。主程序开始应列出功能菜单，用户从菜单中选择功能并执行，终端应有及时的反馈信息。功能执行完毕回到主菜单。-Using serial communication tools as interactive terminals, on board hardware control. Start main function menu should list the user from the menu and to perform, the term