Hi,
this is no problem!! Every Reader using the OCF polling mechanism
recognizes if a card is inserted/removed by asking for its status and
generates an appropriate event. By registering a CTListener you can handle
these events in your application. For further details see "Getting a
SmartCard via event-notification" in Chapter 5 of the OCF Programmer's Guide.
Kind regards
Gunnar
>I'm thinking in the context of a door access system where the user inputs the
>card and it gets recognised straight away.
>
>Mick.
>
>Gunnar Osterode wrote:
>
> > I've never seen such a reader. And in my opinion this would make no sense.
> > The OCF is polling the readers that are registered, that means the reader
> > is asked for its status and sends it back. That way the OCF recognizes if a
> > card is inserted.
> >
> > If the reader would send a signal autonomous the OCF or the application
> > would be forced to 'listen' to the communication port the entire time. So
> > where's the benefit!?
> >
>
>
>
>---
> > Visit the OpenCard web site at http://www.opencard.org/ for more
> > information on OpenCard---binaries, source code, documents.
> > This list is being archived at http://www.opencard.org/archive/opencard/
>
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> Visit the OpenCard web site at http://www.opencard.org/ for more
> information on OpenCard---binaries, source code, documents.
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