hidminidriver如何写?有无例程?

想写这种驱动，但是找不到很好的参考程序。
谁知道,提供一下相关信息或者是给我mail一个.
主要是搞不清：
1.minidriver插入程序栈的方法（是否对inf文件有特定要求）;
2.上层的hidclass.sys的一些资料，比如它如何跟hidminidriver通信，它在hid驱动中做
了哪些主要工作，hidminidriver中用不用再考虑使用中断；
3.DriverWorks里面的那个hidmouse例程似乎有错误,实践证明确实无法正常工作；

emial:   rysu@uestc.edu.cn

The system sends read IRPs to the HID class driver when it wants to find out what keys were either pressed or released. In Windows 98, the system always tries to keep two outstanding read requests: one to detect a key being depressed and one to detect a key being released. Read requests are sent to the HID minidriver using the IOCTL_HID_READ_REPORT IRP