There is not much to understand.  Load the serial library, open the serial
port, send some data, receive data, close the port. However, you will need
to know the commands your scanner uses (and the correct responses).

A few places to start: Neil Rhodes' book, the Palm Serial Programming white
paper from Handheld Systems.  Check Roadcoders (or whatever its called these
days) for some serial code examples.  I haven't read Glenn Bachmann's book
yet , but it does have a chapter on serial communications.  (don't bother
with the 24hr book for serial communications tips)

-----Original Message-----
From: Allen Yang <[EMAIL PROTECTED]>
To: '[EMAIL PROTECTED]' <[EMAIL PROTECTED]>
Date: Wednesday, August 18, 1999 9:13 AM
Subject: How to communicate with another device?


>Hi,
>I am working on sending data to another device ( power scanner) right now,
>and data is sent by serial communication. However, I don't understand
serial
>communication at all. Anyone can give me some help, I will highly
>appreciated.
>
>Allen
>


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