本程序是基于s344b0芯片编写的计算器程序,通过计算机与试验箱通过串口实现了简单的计算目的,并达到了先乘除后加减的逻辑运算。-This program is a calculator program written s344b0 chip, a simple calculation purposes by computer and the chamber through the serial port, and reached the logical operations of additio