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[Discuss-gnuradio] Get a pointer to UHD "Source" from other block in flo

From: Simone Ciccia S210664
Subject: [Discuss-gnuradio] Get a pointer to UHD "Source" from other block in flow graph
Date: Thu, 23 Oct 2014 16:43:29 +0200
User-agent: RoundCube Webmail/0.2.1

How to get a UHD USRP SOURCE OBJECT within my own block ?
  -  I already instantiate an UHD USRP SOURCE in the flowgraph and I want a
pointer within my own block to read parameters. 
  -  Also, which is the effect of creating two times a new USRP SOURCE
block by using "uhd::make(address)" with the same IP address in different
blocks of the flowgraph?

I read from the manual that it is possible to control UHD Source/Sink by
sending commands.
In the case of Source block, are the loops admitted in GNURadio by using
PMTs asynchronous messages for write back parameters?


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