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[Discuss-gnuradio] Creating a UHD Sink block

From: Brooke Hayden
Subject: [Discuss-gnuradio] Creating a UHD Sink block
Date: Fri, 22 Mar 2013 10:43:59 -0400

I am having trouble with the GNU Radio block that I have created to use as an alternative to the regular UHD USRP Sink block provided by GNU Radio. The file compiles, but there are errors when I run it in a python file. The Python file works fine if I use the GNU Radio UHD Sink, but not when I use mine. I have included the errors below. Thanks!

  File "sink_test_gui.py", line 84, in <module>
    main ()
  File "sink_test_gui.py", line 80, in main
    app = stdgui2.stdapp(tx_sink, "Transmitted Signal", nstatus=1)
  File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 38, in __init__
    wx.App.__init__ (self, redirect=False)
  File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7981, in __init__
  File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7555, in _BootstrapApp
    return _core_.PyApp__BootstrapApp(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 42, in OnInit
  File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 64, in __init__
    self.panel = stdpanel (self, self, top_block_maker, max_nouts)
  File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 86, in __init__
    self.top_block = top_block_maker (frame, self, vbox, sys.argv)
  File "sink_test_gui.py", line 45, in __init__
    self.u = radar2.uhd_lfm_sink(device_addr=options.args, stream_args=uhd.stream_args('fc32'))
AttributeError: 'module' object has no attribute 'uhd_lfm_sink'

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