最简单的20键PS/2键值读取程序，PS/2的clk接INT0，data接P1_0

此为本人今期一个项目的部分C51源程序，包含AD键盘检测及处理程序，语音芯片WTV―S的资料，配套软件及驱动控制程序。（如须更详细的资料，可邮件索取，ligang048006@163.com-this as a phase I of this part of the C51 project source files, including AD keyboard detection and processing Voice Chip WTV-S information, and supporting software-driven control procedures. (For more detailed information, please obtain the mail, ligang048006@163.com

在系统中的应用编程演示 ARM7 单片机恩智浦 LPC2768 在 Keil uvision 的。Flash 写作和液晶屏可以模拟和在内存窗口中看到。

linux下的v4l驱动程序开发指南，英文版-v4l programming under linux

这是嵌入式开发进行AD数据采集时，通过软件对数据进行防干扰处理的方法汇总，希望对大家有帮助-This is the embedded data acquisition development of AD when the data through software deal with anti-interference method of aggregation, in the hope that everyone has to help

The RTM660-850 is a single chip frequency generator for INTEL 850 chipset Clock Synthesizer Driver Specification. The clock chip provides standard serial bus for programming device function. Base on the function above, the spread spectrum can be enable for reducing EMI.

图像编码，使用了嵌入式DCT编码方式-Image coding, using embedded DCT encoding

NXP LP23**系列芯片GPIO按键输入驱动源码示例程序，可以发展成GPIO驱动-NXP LP23** series chips GPIO buttons input driver source sample procedures can be developed into a GPIO driver

G711 u-law, A-law and linear PCM conversions Programm.

诺基亚N73的电路原理图,很好，很强大-Nokia N73 schematic diagram of the circuit, very good, very powerful

应用背景stm32 驱动触摸屏程序，带校正功能，带手写功能，代码效率高，不错的驱动手写方式，关键技术开机的时候先通过24C02的数据判断触摸屏是否已经校准过，如果没有校准，则执行校准程序，校准过后再进入手写程序。如果已经校准了，就直接进入手写程序，此时可以通过按动屏幕来实现手写输入。屏幕上会有一个清空的操作区域（RST），点击这个地方就会将输入全部清除，恢复白板状态。程序会设置一个强制校准，就是通过按KEY0来实现，只要按下KEY0就会进入强制校准程序。