Now I'm trying to test a very simple TX/RX examples I have a USRP1 and basic TX/RX board
GNUradio flow graph is like a link here http://picasaweb.google.com/gee.songsong/Study#5539608314025540050 When I run it by pressing F6, it is terminated with an error message like below: Generating: "/home/songsong/Desktop/top_block.py" Executing: "/home/songsong/Desktop/top_block.py" usrp: failed to find usrp[0] Traceback (most recent call last): File "/home/songsong/Desktop/top_block.py", line 84, in <module> tb = top_block() File "/home/songsong/Desktop/top_block.py", line 34, in __init__ self.usrp_simple_sink_x_0 = grc_usrp.simple_sink_c(which=0, side="A") File "/usr/local/lib/python2.6/dist-packages/grc_gnuradio/usrp/simple_usrp.py", line 91, in __init__ self._make_usrp(which=which, nchan=1) File "/usr/local/lib/python2.6/dist-packages/grc_gnuradio/usrp/common.py", line 28, in _make_usrp def _make_usrp(self, *args, **kwargs): self._u = self._usrp_args[0](*args, **kwargs) File "/usr/local/lib/python2.6/dist-packages/gnuradio/usrp/usrp_swig.py", line 2475, in sink_c return _usrp_swig.sink_c(*args, **kwargs) RuntimeError: can't open usrp >>> Done I really really cannot find out what am I doing wrong :(
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