LAN card programming

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3 total messages Started by Tumurbaatar S. Mon, 14 Aug 2006 09:30

#3271

Author: Tumurbaatar S.
Date: Mon, 14 Aug 2006 09:30

8 lines
1035 bytes

Hi, all!
Is there a way to talk with NIC directly avoiding higher level layers like 
IP and etc protocols?
A Win32 program I'm developing, needs to communicate with external devices 
connected to
Ethernet.

Thank you!

Re: LAN card programming

#3279

Author: Colin B Maharaj
Date: Thu, 17 Aug 2006 10:58

24 lines
1952 bytes

Tumurbaatar S. wrote:
> Hi, all!
> Is there a way to talk with NIC directly avoiding higher level layers like 
> IP and etc protocols?
> A Win32 program I'm developing, needs to communicate with external devices 
> connected to
> Ethernet.
> 
> Thank you!
> 
> 
> 
Sorry but the answer is mainly no! The whole idea of windows development
is to have a layer of abstraction between software and hardware called
a device driver. So Win32 programming is really about talking to device 
drivers instead of devices directly.

I said mainly no because the fact is that you can write your own device
driver for a certain network card and create your own routines, but
this adds a layer of complexity that normal application writers 
(non-device driver writers) do not want to get into.

Also writing device drivers may require certain software tools that, 
probably, Borland does not have support for.

Re: LAN card programming

#3280

Author: Christian Lotze
Date: Thu, 17 Aug 2006 11:23

15 lines
1332 bytes

Tumurbaatar S. schrieb:
> Hi, all!
> Is there a way to talk with NIC directly avoiding higher level layers like 
> IP and etc protocols?
> A Win32 program I'm developing, needs to communicate with external devices 
> connected to
> Ethernet.
> 
> Thank you!
> 
> 
> 
look for "winpcap"

Christian

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