WGS84和BJ54坐标转换源程序

说明：  spi模拟i2s，实现音频播放，网上的参考，不易找到，供大家分享(spi simulation i2s, for audio playback, online reference, easy to find for people to share)

基于STM32F107处理器编写的一个完整项目程序，通过RS232的modbus协议通讯，实现远程控制此PLC开发板，实现节点检测，开关控制，实时状态的电压电流检测。(Based on the STM32F107 processor to write a complete project program, through the RS232 modbus protocol communication, to realize the remote control the PLC development board, realize node detection, switch control, real-time state of voltage current detection. )

一个A/D转换的小程式,ADS1110,IIC总线.(FOR YOU THE SOFEWARE IS ADS1110,WILL YOU LIKE IT?)

数字信号处理C语言程序集 是一本经典的书籍 在算法和编程思想上都值得借鉴(Digital signal processing C language program set is a classic book on algorithms and programming ideologically worth learning)

分类法做模式识别的程序，里面含有一些模板(Classification procedures do pattern recognition, which contains a number of templates)

USED TO TEST IR CABLE WITHOUT PC

《DirectX 9.0 3D游戏开发编程基础》书本配套源代码

gridview自定义分页代码，包括上一页，下一页，首页，尾页。-gridview custom paging code, including Previous, Next, Home, End.

说明：  《MATLAB7.x与C/C++混合编程》配套的源程序 6.5.2节代码 vc.net通过扩展MFC动态链接库创建MEX程序(&quot MATLAB7.x and C/C++ mixed programming,&quot supporting the source code vc.net 6.5.2 MFC dynamic link library by extending the program to create MEX)

STM32 SPI口的应用例程，可是设置成主模式或者从模式。(STM32 SPI routine application of the mouth, but set to master mode or slave mode.)