Did you setup the udev permissions on your system? -Josh
On 11/14/2010 07:13 PM, Songsong Gee wrote:
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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