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Re: [Discuss-gnuradio] Locking USRP2 to external 10MHz reference in the

From: Josh Blum
Subject: Re: [Discuss-gnuradio] Locking USRP2 to external 10MHz reference in the UHD/GRC universe
Date: Mon, 22 Nov 2010 08:13:56 -0800
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20101027 Thunderbird/3.1.6

Its most likely the result of an ABI change. Are you sure everything is rebuilt? Any lingering library files either with gnuradio or uhd? -Josh

On 11/22/2010 02:13 AM, Thomas Hobiger wrote:
Hm... now I get a segmentation fault error after updating to the new UHD
I cleaned the old GNURADIO and UHD installations, downloaded the latest
versions and rebuild everything.
But when I insert an UHD block in GRC is crashes with a segmentation fault.

Is there anything missing?


On 11/22/2010 03:50 PM, Thomas Hobiger wrote:

Thanks for this hint. I seems I had to update my repo to get the
latest source which provides provides the ref clock switch.

Sorry for taking your time and thanks for the help.


On 11/22/2010 03:04 PM, Josh Blum wrote:

On 11/21/2010 09:59 PM, Thomas Hobiger wrote:

The capability is already there. If you need an example, take a look
at the generated python code when you enable the ref clock for the uhd
source or sink block in GRC. -Josh

How? There's no option for turning on the ref clock in the UHD Single
source block. Thus nothing adds to the code.


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