新华龙020 的内置spi0。驱动16位精度dac8831的程序，采用单端方式输出正弦波...

AT89C52的组合按键识别程序,已经调试成功-AT89C52 combination of keys identification procedures have been successfully debug

4个键盘测试程序 4个键盘测试程序-4 keyboard test procedure four keyboard test procedures

2005年电子设计竞赛F题恒流源电路源程序,现奉献出来给大家学习.-Electronic Design Competition in 2005 constant current source circuit title F source, is dedicated to the U.S. to learn from.

16311driver

程序代码说明 P0401：用Prewitt算子检测图像的边缘 P0402：用不同σ值的LoG算子检测图像的边缘 P0403：用Canny算子检测图像的边缘 P0404：图像的阈值分割 P0405：用水线阈值法分割图像 P0406：对矩阵进行四叉树分解 P0407：将图像分为文字和非文字的两个类别 P0408：形态学梯度检测二值图像的边缘 P0409：形态学实例――从PCB图像中删除所有电流线，仅保留芯片对象-code P0401 Note : Prewitt operator to detect the edges in the image P0402 : different values of Getting operator to detect the edges in the image P0403 : Canny operator to detect the edges in the image P0404 : image thresholding segmentation P0405 : water line threshold method image segmentation P0406 : matrix Quadtree P0407 : images into text and non-text of the two categories P0408 : morphological gradient detection Binary Image Edge P0409 : morphology example-- Images from the PCB to remove all current lines, retaining only chip targets

C51编写的用ＩＯ脚模拟串口的源程序,供初学者参考-C51 prepared by serial IO pin analog source, the reference for beginners

用于51单片机的快速DES-51 MCU for rapid DES

C++Builder6上位机程序关键代码：(其中一些地方参考了Easy 51Pro宇宙版的源码) 只实现了很少一部分功能，其它的我正在研究中。。。。。。(希望有经验的朋友多交流) -C++ Builder6 PC program key code: (some of which made reference to places Easy 51Pro-source version of the universe) is only part of the realization of a few features, others I

高速电路信号完整性问题，有一定的参考价值-Based on the Signal Integrality theory, the key problem met during signal processing module design and its solution is given

C51的FAT文件系统-C51 FAT File System