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Ethernet Communiction

 
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Ethernet Communiction, Need Help for Ethernet programming
cdeveloper
post 4 Jun, 2008 - 02:02 AM
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Hi Everybody,
I want a help from you in Ethernet programming. Now I am conducting a project which have to communicate computer and a pic microcontroller through Ethernet, so I need to develope a PC interface which catch incoming data and can send user data to device through Ethernet. Device can communicate only ethernet, it does not support any higher layers like SLIP, ARP or IP.
My Network adapter is Realtek 8139 Fast Ethernet Adapter,driver is RTL8139.sys and Operating System Windows Xp.
I have no idea to access ethernet in PC, So I want your help in the following sections


1. The code using Ethernet access in PC which written anyone of the language C,C++, MFC and DotNet.
2. require any changes in my network adapter or driver?.

I am waiting for your valueable help and advice for solve this situation.

Thanks in advance,

cdeveloper.
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rgfirefly24
post 4 Jun, 2008 - 03:51 AM
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QUOTE(cdeveloper @ 4 Jun, 2008 - 03:02 AM) *

Hi Everybody,
I want a help from you in Ethernet programming. Now I am conducting a project which have to communicate computer and a pic microcontroller through Ethernet, so I need to develope a PC interface which catch incoming data and can send user data to device through Ethernet. Device can communicate only ethernet, it does not support any higher layers like SLIP, ARP or IP.
My Network adapter is Realtek 8139 Fast Ethernet Adapter,driver is RTL8139.sys and Operating System Windows Xp.
I have no idea to access ethernet in PC, So I want your help in the following sections


1. The code using Ethernet access in PC which written anyone of the language C,C++, MFC and DotNet.
2. require any changes in my network adapter or driver?.

I am waiting for your valueable help and advice for solve this situation.

Thanks in advance,

cdeveloper.



to answer your first question
Dream.In.Code has a policy by which we prefer to see a good faith effort on your part before providing source code for homework assignments. Please post the code you have written in an effort to resolve the problem, and our members would be happy to provide some guidance. Be sure to include a description of any errors you are encountering as well.

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eclipsed4utoo
post 4 Jun, 2008 - 04:48 AM
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if your device is going to use ethernet, then it will most likely have an IP address. you can use a Socket to communicate to that IP address and send commands and receive the data that is returned.

here are some links for you to look through...

MSDN - System.Net.Sockets
http://www.devarticles.com/c/a/C-Sharp/Soc...ng-in-C-Part-I/
http://www.devarticles.com/c/a/C-Sharp/Soc...-sharp-Part-II/
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baavgai
post 4 Jun, 2008 - 05:04 AM
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Just an FYI, unless you're programming a router or something, you aren't going to programming "Ethernet", and even they it's debatable. You'll be working with a network protocol, probably TCP.
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VbProgrammer08
post 4 Jun, 2008 - 05:45 AM
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Ah, I was replying to this while it was posted in the Vb.NET section, but it got moved in the middle of my post.

Hints:
1. I heard that a Winsock extension called Trumpet has Ethernet connectivity. (I'm sure it has a price tag on it though).

2. I have used the Winsock library (not the Trumpet extension) before on VC++, and it works above a satisfactory level. Only problem is that it couldn't request and send data simultaneously. Not sure of C# though.
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