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Re: [Discuss-gnuradio] pipes for today

From: cswiger
Subject: Re: [Discuss-gnuradio] pipes for today
Date: Wed, 20 Apr 2005 18:15:31 -0400 (EDT)

On Wed, 20 Apr 2005, Rahul Dhar wrote:

> On Fri, Apr 08, 2005 at 04:10:20PM -0400, cswiger wrote:
> > This is a curious behavior: if
> >
> > 1) Use a vector source at the head and the USRP at the tail all is OK
> >
> > 2) Use the pipe fd source at the head and a file sink at the tail all is
> > OK
> >
> > but if
> >
> > 3) Use a pipe fd source at the head and the USRP (with a parallel file
> > sink to monitor) at the tail data very slowly trickles into the file,
> > much slower than the 1.6Msps that it should - UNTIL I close the process
> > feeding the pipe, THEN it goes full blast and processes the backed up
> > pipe A-OK.
> >
> Did you figure out the problem?  I'm seeing something similar.  I have
> named pipes in place of the USRP, and nothing seems to go through them.
> I'm not sure why.

I tried everything I can think of on the level I can work at but didn't
find a solution. Have moved on to other projects (plus work is interfering
with research time but that is almost over ;)


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