market

基于DSP2812的永磁同步电机矢量控制源程序(DSP2812-based vector control of PMSM source)

如何创建网络通信服务器程序.可以了解通信的http协议,了解网络通信知识(How do I create a network communication server program. Can understand the http protocol communication, understanding of network communication of knowledge)

有一存储很多商品数据(每件商品的属性先后包括：品名、规格、单价(有小数位)、数量，数据的最长长度分别为20、10、6、5，在文件中以空格为分隔，每个商品的数据占一行)的文本文件，从键盘输入某种商品的品名，要求在文件中查找有无相应品名商品(可能有多条记录或没有)，若有则在屏幕上显示出相应的商品的品名、规格、数量、单价(显示时，品名、规格、数量、单价之间使用逗号(,)作分隔，单价显示时只显示2位小数)，若无则显示没有相应品名的商品。 (There are a lot of goods stored data (each item has the attributes include: name, size, price (with decimal places), quantity, the maximum length of the data were 20,10,6,5, a space in the file is separated The data for each item per line) text file, input from the keyboard of a commodity name, asked whether the corresponding file for the product name (may be multiple records or did not), if it is displayed on the screen of the corresponding product name, size, quantity, unit price (display, name, size, quantity, unit price between a comma (,) as a separator, price display shows only two decimal places), if not then show no corresponding product name .)

ad5820芯片通过I2C控制VCM，驱动音圈电机运动(I2C for VCM)

说明：  用VS2008编写一个console应用程序，输入文件路径和相对时标，尽可能快速地搜索和定位PS流多媒体文件中某一帧数据的位置，打印其对应的帧长度、帧号、相对文件头偏移字节数等信息。(Written with VS2008 a console application, enter the file path and the relative time scale, as quickly as possible to search for and locate multimedia files in a PS stream frame of data, print the corresponding frame length, frame number, the relative offset of file header The number of bytes and other information.)

CChart，国产精品数据可视化控件，基于Win32API，功能强大。网上已有系列教程，使用异常简单。(CChart, made quality data visualization controls, based on Win32API, and powerful. Existing series of tutorials online, very simple to use.)

MFC基本实例实现连接数据库信息的录入修改删除功能(Basic examples were MFC connect to the database information input to modify delete function)

MFC下写的通讯录管理程序，包含常用功能(MFC write address book management procedures, including common functions)

BMP24位位图量化成256色BMP图，本程序彩八叉树颜色量化。(BMP24-bit quantization into a 256-color bitmap BMP map, this program color octree color quantization.)

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