D12和89s52+K9F5608组成的系统，完成U盘的功能，此程序是C语言版本，其中D12的操作部分，是周立功的D12开发板上提供的库函数-D12 and 89s52 K9F5608 system consists of complete U-function, this procedure is C language version, which D12 part of the operation, Zhou, who is the D12 development board for the

VC编写的函数发生器, 能自动产生三角波，方波，正弦波等波形，并通过USB接口传送到嵌入式控制系统-VC function generator written in, can automatically generate triangle wave, square wave, sine wave, etc., and through the USB interface to transfer to the embedded control system

这个例子展示了如何使用Windows RegisterDeviceNotification函数接收WM_DEVICECHANGE消息插入或移除USB设备时注意AN_152系统中应用。-This example shows how to use the Windows RegisterDeviceNotification function to receive WM_DEVICECHANGE messages when USB devices are inserted or removed fro

通信系统中扰码的实现,采用Matlab的S函数()