RE: [Dev-C++] _outp & _inp under windows 2000

[Santiago P. C. <San...@yd...>]

Hi *,

It sounds great that you've finally found what you were looking for!
So there's no need to continue discussing unnecesary alternatives ;o)

Best regards,
~Santy

-----Original Message-----
From: Mark Smith [mailto:mar...@li...] 
Sent: jueves, 23 de enero de 2003 12:02
To: dev...@li...
Subject: RE: [Dev-C++] _outp & _inp under windows 2000


In Original Message From: Santiago Palmier Campos
Santy wrote:.............

 What kind of I/O port does Mark Smith really need
to access? And how?


Well I'm using 2 cards (PC27E & PC214E)  one a A2D & the other a DIO ( from
Amplicon UK) on the ISA bus to control some lab equiptment and take
measurements. I have written the control software myself using _inp & _outp
and can set the cards address by means of DIP switches on the cards. The
console application works fine but I am looking to future proof the software
so it could run also on a more recent windows platforms, it also means that
I'm forced to maintain it on a win98 machine. I followed up Jaap de Wolff
suggestion ( http://www.beyondlogic.org/porttalk/porttalk.htm ) and took a
look at porttalk, though I  have not tried it yet, it looks exactly like
what I'm after and also gives me a way of modifying my source code to
achieve the same functionality. (I'm an old fashioned DOS based programmer &
no nothing about windows API :-~(  ) The article states:-------------
Talking to the Device Driver - User Mode APIs

PortTalk also has IOCTLs to allow reading and writing to I/O Ports. In this
case, your usermode program would open the PortTalk device driver and pass
data to the driver through IOCTL calls. The driver then talks to the I/O
port(s) in ring 0. 

The Porttalk driver contains two IOCTL calls to read from and write to I/O
Ports. A c source file, pt_iotcl.c can be used to provide easy support based
on the popular inportb/outportb and inp/outp calls supported in earlier
programming environments. By simply including pt_ioctl.c and calling
OpenPortTalk when you program starts and ClosePortTalk when your program
finishes you can have the functionality of the inportb/outportb and inp/outp
calls
--------------------



Regards
Mark 

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