I have some C++ code that wraps a com i/o port that works under windows nt,
95, 98, 2000, ... (using CreateFile, etc)

Download the source for the winamp avs layer at the bottom of this url:
http://www.luminus.cx/projects/chaser/ (a pic driven light chaser I built a
while ago)

The two files, comIO.h and comIO.cpp are really straight forward to use, and
if you need help using them let me know....

Aaron

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Brandon Fosdick
Sent: Wednesday, May 30, 2001 1:51 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [EE]:controlling serial port from windows NT


sam woolf wrote:
>
> Hi,
> Have made a little PIC thing that communicates with a computer through the
serial port. This works fine with windows 95 but doesn't transfer to NT
because NT does not allow use of the _inp() and _outp() functions. What can
be done that doesn't require either brains or money?
> Sam.

It's been awhile since I've done any windows programming, but I think
you can use CreateFile() or CreateFileEx() to open a serial port.
There's a special constant that you have to pass instead of the path
name I think. Like I said, its been awhile. If you have Visual Studio
theres a good explanation in the docs.

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