GPS

用开发AutoCAD的一个实例,这是做出来在AutoCAD中显示工具栏的一个例子()

windows 32编程的API参考大全！(the windows 32 programming API Reference)

说明：  此dll文件名为py.dll C# 命名空间名是py 类名是mypy 用来得到汉字拼音首字母的方法是GetChineseSpell(string chines) (C# getchinese)

一些GIS计算公共方法 判断两个矩形是否相交 判断两个线段是否相交 判断点是否在面内 判断线与面是否相交 判断线与矩形是否相交 判断点是否在线上 计算线段的地理方位角(GIS calculation method to determine some of the public to judge two rectangles are intersected to determine the intersection point of two line segments are in the plane to determine whether the line intersects with the surface to determine whether the line intersects with the rectangle is calculated to determine the point whether the line segment on the geographical azimuth)

封装了windows操作串口的几个API（CreateFile， ReadFile，WriteFile，SetComState）。串口的读写设置这几个操作都可以简单地只用关键一两个参数就能实现操作。也是一个很好的例子，我写这个之前查了不少资料，感觉非常麻烦，索性发出来给新手们作个样例(Windows serial COM port access class，it includes CreateFile, SetComState，ReadFile，WriteFile，CloseFile)

NVP6134B AHD RX 芯片支持300MP摄像机(The NVP6134B AHD RX chip supports 300MP cameras)

说明：  基于距离向量算法的路由协议的实现，用c++实现了rip路由协议的距离向量算法，支持动态路由表的变化。(Implementation of routing protocol based on distance vector algorithm)

采用WINDDOWSSDK写的按钮界面,其中详细的展现了按钮控件的各个属性的操作(Using the button interface written by WINDDOWSSDK, which details the button control of the various properties of the operation)

说明：  闻亭 DSP 培训 第一天 作业 【源码】。(Wintech DSP training the first day of operation 【Source】.)

讲述STM32与SD卡的FAT文件系统，便于单片机数据保存(About the STM32 and SD card FAT file system, to facilitate data storage SCM)