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Date: 05/09/01
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- In reply to: Garry Dunn: "[phplib] Control of a browsing computer's serial port?"
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You would need a signed/secure Java applet to do anything remotely like
this. JavaScript, which other than a passing syntactical resemblance to
Java has nothing to do with the Java language, has NO file input/output
capabilities whatsoever.
Actually, you could use any kind of applet that was written in a
language that can do serial port I/O. For example, VisualBasic is a
possibility. But then you run into the problem any applet or plug-in
writer has: making it work on more than one platform. That's why for
anything other than Java applets, things like Quicktime and Flash
plug-ins all require you to download a version specific to your
platform, e.g. Windows, Mac, Linux, etc.
> -----Original Message-----
> From: Garry Dunn [mailto:trellis <email protected>]
> Sent: Wednesday, May 09, 2001 9:55 AM
> To: phplib <email protected>
> Subject: [phplib] Control of a browsing computer's serial port?
>
>
> To the powers at large,
>
> Does anyone know of a way to send/recieve characters through
> a users serial
> port?
>
> Here's what I'm trying to do: A form is displayed in the
> user's browser.
> Some of the answers to fields on that form could come from a device
> connected to the user's serial port. If I can send a command out the
> serial port and get a response, I could filter it and place the answer
> directly into the form. The user can just confirm the input.
>
> I'm thinking some kind of Java script running on the user's
> machine might
> do it. Any clues to where I might find such a beast? Any
> other thoughts?
>
> Thanks,
>
> Garry
>
>
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