利用三元组存储大规模稀疏矩阵并实现矩阵加减乘的运算。输入要求：三元组方式。运行环境C-mass sparse matrix storage and achieve matrix modified by the operator. Entry requirements : Triples way. C Runtime Environment

这是一段基于arm的usb device mass storage的demo程式，互相交流

高效的处理系统请求，系统请求有多种，都能满足。能够海量的存储信息。能够解决海量访问-Efficient processing system request, the request of a variety of systems, can meet your requirements. To mass storage of information. Massive visit can be solved

本文包括了界面的编写、串口通讯的实现、海量数据的存储和历史曲线的描绘等许多实用的功能-This includes the preparation of the interface, serial communication implementation, mass data storage and historical descr iptions of curves and many other useful features