大家一起来看看这个问题

现已有一个usb设备的自带驱动（.sys）,安装完成后，可不可以在vc的环境下，通过一些函数的调用来实现直接对设备确定端点的数据读写呢？
如果可以，需要有哪些工具？
如果能提供一个大致的步骤那就更是感激涕泞了。

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1. Device enumeration is done when a USB device is plugged into usb port. After windows OS detects a USB device (that's enumeration process), a driver is loaded according to the device's VID/PID. After driver is loaded correctly, you can call CreateFile() to "open device".

2. How you read/write a pipe depends on the driver's implementation. After you opened a device, you got a handle of the device. With the handle, you can call DeviceIOControl() to let driver read/write a pipe. Please refer to DeviceIOControl codes that the driver provides. So, unless you develop driver youselves, you must utilize a driver to access a pipe directly. What USB driver are you using?


[编辑 -  7/16/04 by  windrv]

用DeviceIOControl()对pipe读写时，pipe的编号是个问题， 我用的是ad dsp21161的板子，usb 控制芯片是cypress 的cy7c64613，
驱动它自己带的。应该是ezusb吧。
设备有3个interface，具体见附件。
pipe编号怎么看呢？


[编辑 -  7/16/04 by  ttjjcc]

有谁有有关arm相关的资料啊

再把板子的usb驱动贴一下，
我死活也找不到设备名，
就是在createfile(？)里要填的？，
大家也来看看。

附图

I am using an english version Win2K, I can't save your picture with chinese charactors.

Since you use a cypress usb driver, do you find the driver's source code? If you have source code, it is easy to know how to open a device and access a pipe.

我只有那个板子自带的一个sys文件和相应的inf文件，其中sys文件已经上传了。见楼上的附件。那个jpg是我自己用一个第三方软件扫描总线得到的设备描述，不看也罢。你所说的驱动的源码我没有啊。只通过sys 文件应该就可以看到设备名称了吧？

去开发包里找，有驱动源码，控制面板源码，还有应用程序与驱动通信说明！ ;)

具体点该怎么操作呢？
能不能指点一下？