Dear Tim:
Thank for your reply again.You remind me that I rely too much on
the Minidrivers Framework provided by Microsoft.
I will try another way to solve this problem.
1) use usb's tools captureing the transmission of data content.
2) analyze these data
3) implement this process with a usb wdm driver
Now it's the time to begin to work.Maybe we should discuss later.
good bye.Thank all of you again!
best wishes
suhetao
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