Re: [ethmac] wave forms!

[jyaron@yashu.com]

----- Original Message ----- 
From: Mathias <azt124@h... > 
To: ethmac@o...  
Date: Fri, 11 Oct 2002 17:55:32 -0100 
Subject: Re: [ethmac] wave forms! 

> 
> 
> ----- Original Message ----- 
> From: "ajay kumar m" <mundlur_ajay@r... > 
> To: ethmac@o... 
> Date: 10 Oct 2002 06:02:32 -0000 
> Subject: [ethmac] wave forms! 
> > 
> > Hi! 
> > 
> >   Kindly send me the basic waveforms or timing diagrams for 
> the 
> > communication controller(ethmac).so that it can be presented 
> as a 
> > part of basic design specification of the Ethernet MAC / 
> > communication controller. obilige to the request!!! 
> 
> What!? Who's making requests??? I don't understand: Do WE need 
> timing diagrams or do YOU need them?? I think you know the answer 
> to that question, and that answer also implies who should do some - 
> WORK- (that's right, the awful W***-word!) to aquire the needed 
> waveforms for themselves. 
> 
> I'll give you some hints on the way: 
> 
> 1. You'd probably want the WISHBONE interface timing diagrams. I'd 
> say it's a safe bet to look in the WISHBONE spec to start off. 
> You'll have 
> to find and download that pdf for yourself. (Hint: it's probably 
> available 
> from opencores webpage...) 
> 
> 2. You could always look in the ethmac documentation to see if 
> there 
> are any timing diagrams. (I don't remember if there are, and I'm 
> just 
> as lazy as you, so I'm not bothered to look either!) 
> 
> 3. Aquire the needed waveforms for YOURSELF! Oh, the horror! You'd 
> need to do some work now, so let's get started right away: 
> 
> 3b. Download the ethmac core from opencores. This involves typing 
> an 
> URL and clicking a few links... 
> 
> 4. Unpack and analyze the core. Can't help you with the specifics, 
> since 
> a) I'm not familiar with your enviroment and b) I couldn't care 
> less 
> anyway. I'll trust you with enough intelligence to accomplish that 
> by 
> yourself. 
> 
> 5. Open your simulator of choice, Modelsim works fine for us. Load 
> the 
> ethmac design. Trace the signals you want for your presentation - 
> that'd probably include the WISHBONE interface and MII signals, 
> which 
> are easily available at the core top level. 
> 
> 6. Run the testbench. This will indeed produce your desired 
> waveforms 
> in a matter of seconds, a minute at most. (Hard work, isn't it?) 
> 
> 7. Now print or dump your selected screenshots. Mission 
> accomplished, 
> very well done! 
> 
> And you could be proud to say that you actually did your own 
> homework instead of, not asking, but -REQUESTING- that someone 
else 
> should do it for you. Oh, the glory... 
> 
> 
> > 
> > thank you .expecting the earliest positive reply 
> > 
> 
> You're most welcome. I doubt you'll consider this a "positive" 
> reply, 
> since I didn't attach a bunch of screenshots with your homework 
> completed, but I sincerily hope that this is the -ONLY- reply 
> you'll get! 
> 
> And I don't really care what you "expect" or not, I just want to 
> state 
> my frim opinion: 
> 
> In a nutshell - DO YOUR OWN HOMEWORK! It will benefit you the 
most. 
> 
> kind regards 
> /Mathias 
> 
> > regards 
> > M.Ajay Kumar 
> > 
> > m.ajay kumar 
> > 
> 

touchee

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