Re: # Send Data to COM

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#4686

From: Michel Leunen
Date: Fri, 02 Dec 2005 17:51

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Pedram wrote:

> The biggest problem is I know how to write port programms by old functions
> like inp() outp() inport() outport() using
> #include "bios.h" !!! but this header file also is forgotten and ingnored in
> BCB.

The problem is elsewhere. In a Win32 environment, you're not allowed to 
access (read Windows doesn't allow you not BCB) I/O directly. You must 
use the functions given by the API or write your own device driver.

 > I'm completely new to using WriteFile() for sending data to COM ports, so
 > please excuse me for my rudness :">
 > If I say I need a more source I mean needing a (Hello Port!)  App. :-)

You must not have look hardly enough to the links I gave you. 
Particularly the Harold Howe's class which is pretty basic and well 
documented (comments in the code itself). And there is a demo app as well.

Michel
-- 
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Michel Leunen
mailto: see my homepage.
C++Builder, BCC5.5.1 Web site:
http://www.leunen.com/
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