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Re: [Discuss-gnuradio] UHD: trouble configuring multiple RX channels rel

From: Josh Blum
Subject: Re: [Discuss-gnuradio] UHD: trouble configuring multiple RX channels reliably
Date: Wed, 27 Apr 2011 13:25:29 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110223 Lightning/1.0b2 Thunderbird/3.1.8

> It feels as though the subdev config in general is quite unstable
> for my multi-channel setup or my code is missing something very basic.  When
> I double check the freq and gain settings with the get functions, they all
> look fine though.
> Any insights?

It turns out that the RX mux was calculated in reverse. Effectively, the
channels were swapped. This would have been hard to notice on a pair of
boards with frac-N synthesizers, but with DBSRX, the DDC offset made it
noticeable. I pushed a fix to the master:



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