[Discuss-gnuradio] QtGui in background or separate thread

2013-10-11 Thread Victor User
Hello,   I have a python program that does some signal processing on packets collected with the USRP and flowgraph.  Inside the constructor of my python class, I create an instance of my top-block object.  I'm trying to use the QtGui sink to display the spectrum while the processing is going on.

[Discuss-gnuradio] uhd_fft problems (runtime error)

2013-08-20 Thread Victor User
Hello, I'm new to using GNURadio and the USRP. I'm running Fedora 17 with GNURadio (3.5.3.1) and UHD (3.4.3) installed with yum.  I'm trying to run uhd_fft.py and I get the following error: $ ./uhd_fft.py linux; GNU C++ version 4.7.0 20120507 (Red Hat 4.7.0-5); Boost_104800; UHD_003.004.003-