stm led code

在PXA270主板上，配置完基本的GPIO后，可以用本程序读写CF卡来测试CF插槽的硬件连线-The motherboard in PXA270, finished basic GPIO configuration, you can use this program to read and write CF slot CF card to test the hardware connection

有关语音的滤波以及自动增益控制电路的原理图以及PCB图

linux下的DM9000的驱动，对于学习网卡移植的朋友有很大帮助-DM9000 under linux drivers for the card to learn a great friend of transplantation to help

《DSP原理及其应用技术 》DSP相关部分器件资料和原理图库-" DSP Principle and Application of Technology" DSP-related part of the principle of device information and library

采用AT89C52为控制核心，实现了实现了7位数范围内的数学运算，整数、小数和负数皆可，并可以计算函数。还具有时钟日历和密码功能。-AT89C52 to control the use of the core to achieve the realization of the seven-digit within the scope of mathematics, integer, decimal and negative Jie Ke, and can calculate the function. Also has a clock calendar and password functionality.

基于UCM40的超声波测距函数,可测0.08---2.5米距离,数值精确-Based on Ultrasonic Ranging UCM40 function, measurable 0.08-2.5 m distance, numerical precision

usbHOST芯片与51的文件系统-It s a 8051 system files about CH375 USB Host controler.

该程序为UClinux下面的USB接口通讯程序,采用C语言编写,包含了makefile文件,使用的开发环境为华恒公司的嵌入式开发套件-UClinux the procedures for the following communication procedures USB interface using C language, the document contains a makefile that the use of the development environment for embedded huaheng company Boards

这是一个通过串口读取GPS模块的小程序,读出的数据经过处理后回显示在桌面上-This is a serial read through the small GPS module procedures, read out the data processed to show on the table