2-way Interrupt transfer USB driver

Hello All,

I’m trying to change my driver from Bulk to Interrupt, the thing is
that my device changed from Host initiated bulk transfer to async
capture.

The only way to Async capture is to while(nothing_received) {
read_bulk}

and this makes my computer behave funny, specially when calling
unmanaged code from C#.

Every Interrupt driver I’ve seem pertains to HID’s with no data output
capability, just input, I need 2 way data flow.

Can somebody guide me on how to implement a 2 way interrupt driver?
data trought put in no problem...

Thanks,
Carlos

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