UI

完整的Avstream usb Audio driver.包括speaker 和microphone 的驱动.可以上传64kbps PCM的话筒数据和下传128Kbps PCM的语音数据.并包括Avstream驱动的inf文件.(full avstream usb audio driver. include speaker and microphone driver.)

介绍了驱动开发中有关IO例程的相关知识。(Introduction drive the development of relevant knowledge IO routines.)

说明：  学习PCI设备驱动结构的最好例子，简单易懂，很快入门(NT Driver)

最新的乐华驱动板源程序。很辛苦才找到啊，大家要好好利用啊(Leroy driver board the latest source. Very hard to find, ah, we have to make good use of ah)

PCI 数据采集卡，9524，实现数据采集，凌华的卡，性能高，性价比好(PCI Card，easy to use，very good，cheap and can fit many cases)

通过修改注册表实现USB接口的打开和禁用(USB interface s disable and open)

说明：  CharSample的VS2019工程版本，经过了整理和调试，包含了代码、工具、实验截图。(A full VS2019 solution for the CharSample driver, which include code, tool and the screenshot for the experiment. The code provided is tested.)

传感器读取程序，传感器读取程序 传感器读取程序(Sensors read the procedures, procedures for sensors to read sensor to read the procedures)

可以用内存虚拟一个磁盘出来，例子中用了1M。(use memory to produce a disk,but can t too large)

说明：  基于VC环境下的光驱驱动程序，可实现对光驱的弹出和关闭操作。(VC environment based on CD-ROM driver can be realized on the drive pop-up and shut down operations.)