Re: Q : how to write USB driver under Windows ?

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Robert Marquardt wrote:
> 5.d@xxxxxxx wrote:
>
> > Hi all,
> >
> > I'm going to develop an electronic card with analog inputs,
> > its data will be A/N converted and sent in real time
> > to a PC running under Windows XP.
>
> This means you lost before you even started.
> Please tell more about "real time".

Well, this is not realtime, like for instance data
transfer to a PC from a video analog source.
The analog source comes from sensors thru (a bit of)
electronic adaptation (impedance, amplification, A/N)
No problem about buffering on the "device" itself the
numeric data flow coming from the A/D converters if needed.
No question here about real time, bitrate, or electronics.

The point is, I need a *good* *professional* source
of information about how to write a device driver
to control an USB port on a PC running Windows.

I hope I made it clear this time,
sorry for the misunderstanding.

.

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