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Re: [Discuss-gnuradio] UHD Source -and- Sink In Same GRC Flowgraph ?


From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] UHD Source -and- Sink In Same GRC Flowgraph ?
Date: Tue, 21 Feb 2012 18:30:34 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16

On 02/21/2012 06:18 PM, Iain Young, G7III wrote:

They was within the same GRC File, although not linked (IE separate
RX and TX chains)

Yup, the precipitating characteristic appears to be that both TX and RX facilities are in use on the same USRP1.

I was able to reproduce here with a trivial flow-graph. Sent a report off to Josh.


The case I'm interested in is where there's only one of those at a time.

I just tried [UHD SOURCE] -> [MULTIPLY CONST] -> [UHD SINK], and that
worked with all three Options Block/Generate Options settings.
[UHD SOURCE] -> [MULTIPLY CONST] -> [WX WATERFALL SINK] has always
worked.

Just having one "chain", RX or TX has always worked for me, even with
the WX GUI sinks.

Hope that helps


Iain




--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org





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