本程序实现了简单的串口点菜通信程序，包含两部分源代码，分别为发送程序和接收程序，可实现数据的打包与解包，通过串口相互通信。-This procedure to achieve a simple serial order communication program, contains two part of the source code, respectively, to send a program and to receive the procedure, may realize the d

可以点菜收到手点菜的信息，是通过下位机的串口发送上来的。-To order to receive hands a la carte

邮件发送类，方便邮件的发送，更简单的进行应用-The mail transmission class, convenient e-mail is sent, easier for application