Query from a friend.
Any suggestions?

> Russell,
>
> Are you arware of any USB to UART bridge device which does not require
it's
> own proprietary drivers  - i.e. which just uses a default driver provided
in
> WinXP (say).
>
> Modern USB Flash drives work like this but I can't seem to find a USB-UART
> bridge which does.
>
> My reason for asking is that if you design in a device which requires a
> proprietary driver you are then at the mercy of the supplier of that
driver
> for future operating system support.  If they decide that the part is
> obsolete and decide to no longer make it there is probably little
incentive
> for them to provide a driver for the next incarnation of Windows (or
Linux,
> or whatever).  If you have zillions of customers with products based on
that
> device then it suddenly becomes unusable when they upgrade to the next OS.
>
> Much better if your device just uses a standard OS driver since there is
> then a reasonble likelihood that the vendor of the OS will continue to
> provide support.

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