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Re: [Discuss-gnuradio] USB Issues

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] USB Issues
Date: Tue, 17 Jan 2006 11:17:35 -0800
User-agent: Mutt/1.5.6i

On Tue, Jan 17, 2006 at 02:01:37PM -0500, Michael Dickens wrote:
> Eric - We do have a logic analyzer, but with the basic connectors.   
> Thus we'd think about changing the FPGA code to route the usbctl[]  
> signals to a daughtercard for viewing.  I can tell that at least 2 of  
> the files you're referring to are:
> "usrp/fpga/toplevel/usrp_std/usrp_std.v"
> "usrp/fpga/sdr_lib/master_control.v"
> Unfortunately I'm not an FPGA programmer, and what you wrote (below)  
> doesn't help me very much, even looking at those files and rereading  
> a few times over.  Is there maybe another way you could explain it  
> which would be more enlightening?  I'd rather believe that I'm at  
> least 90% correct in my changes before messing around and possibly  
> breaking something ("be careful!").  Thanks! - MLD

Actually, you'll be able to look at the RD line without changing
anything in the FPGA.  More details in a bit.


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