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Re: [Discuss-gnuradio] extract timestamp data / "The Plan"
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] extract timestamp data / "The Plan" |
Date: |
Fri, 13 Mar 2009 18:33:10 -0700 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Fri, Mar 13, 2009 at 11:25:17AM -0500, Douglas Geiger wrote:
> > The details on all of this still need to be flushed out, but this is
> > the basic idea.
> >
> > To all:
> >
> > * Do you think that this would allow you to easily build MACs or other
> > packet based things in GNU Radio? Assume the USRP and USRP2 blocks
> > are doing something sensible about the new attributes.
> >
> > * Do you think you could build what you desire on top of these extensions?
> >
> > * Any other comments, questions, yeah-but's...
> >
> > Eric
> >
>
> I'm not working on MAC's at the moment (or more accurately, my work
> right is only concerned with receiving packets, not sending), but
> certainly being able to pass along the metadata would be a nice feature.
> For the moment, I'm able to do what I want with my afore-mentioned
> custom source block (where only the source block has access to the
> timestamps), but I can see situations (in the future) in which I'd like
> to have that info passed along through the flowgraph.
Thanks for the data point.
> I recall some discussion with the m-block's being concerned with the
> performance of the PMT data types - can you address that? Has that been
> resolved/can resolved via some technique/won't be an issue with next
> year's CPU's/etc.?
We've got some performance patches to apply and beyond that will do
what it takes to ensure good performance for the PMT types.
Eric
- RE: [Discuss-gnuradio] extract timestamp data, (continued)