Re: hardware interfacing in linux with gnat

[Jerry van Dijk <jvandyk@attglobal.net>]

Jaap van Erk <j.h.van.erk@hccnet.nl> writes:

> I have an hardware interface card with relay's and  8255's.
> It's published in Elektuur several years ago (a Dutch electronics
> magazine)

Can you really still get the 8255 PIO ? That's a blast from the past...

Ohh, oops, that's off-topic, I know, I know... :-)

> Because we must also use ioperm(), and a optimizing flag -O we can
> access the hardware in linux.
> 
> I tried Jerry van Dijk's clock.adb program to do it also; it's compiling 
> without errors, but it give a coredump when accessing the ports.

I wouldn't expect a coredump, but on linux you need to do it the unix way.

> How can I use ioperm() in gnat?  (3.11 for linux 2.0 and 3.13 for 2.2)
> clock.adb works ok when i'm using Dos.(Bedankt, Jerry voor dit programma
> )

As for ioperm, just import it and call it. I'll see if I can come up with
an example tonight.


-- 
--  Jerry van Dijk   | email: jvandyk@attglobal.net
--  Leiden, Holland  | web:   home.trouwweb.nl/Jerry