On 8/25/2010 9:01 AM, Abuzer Firdousi wrote:
> Hello!
> Parallel port communication in c.
> i am using turbo c++ compiler. and try to blink a led connected on LPT1
> port. but this is not working.
> I need some help related to parrallel port communication in c++.
> LED is connected at 2 and ground pin of LPT1.
>
>
> #include"conio.h"
> #include"dos.h"
>
> #define PORT 0x378
>
> void main()
> {
> while(!kbhit())
> {
> outportb(PORT, ~inportb(PORT) );
> delay(1000);
> }
> }
Lose Turbo C. It is 16-bit and VERY ancient. Upgrade to a modern
compiler suite (VC++ 2010). More than likely it isn't working because
the OS is blocking the port from being accessed directly like you are
attempting to do.
--
Thomas Hruska
CubicleSoft President
Barebones CMS is a high-performance, open source content management
system for web developers operating in a team environment.
An open source CubicleSoft initiative.
Your choice of a MIT or LGPL license.
http://barebonescms.com/
