hello:
when I tried to run the bbn 80211 testing code on my usrp I, the terminal
showed the
following problems ,can anyone give me some suggestions?
[r...@no1 examples]# ./bbn_80211b_tx.py
Traceback (most recent call last):
File "./bbn_80211b_tx.py", line 127, in <module>
main()
File "./bbn_80211b_tx.py", line 92, in main
options.barker)
File "./bbn_80211b_tx.py", line 45, in __init__
gr.flow_graph.__init__(self)
AttributeError: 'module' object has no attribute 'flow_graph'
when i tried to run the rx code ,the problem is :
[r...@no1 examples]# ./bbn_80211b_rx.py
Traceback (most recent call last):
File "./bbn_80211b_rx.py", line 208, in <module>
main ()
File "./bbn_80211b_rx.py", line 203, in main
app = app_flow_graph()
File "./bbn_80211b_rx.py", line 185, in __init__
options.freq)
File "./bbn_80211b_rx.py", line 97, in __init__
gr.hier_block2.__init__(self,
"usrp_rx",gr.io_signature(0,0,0),gr.io_signature(1,2,gr.sizeof_gr_complex))
File "/usr/local/lib/python2.5/site-packages/gnuradio/gr/hier_block2.py",
line 42, in __init__
self._hb = hier_block2_swig(name, input_signature, output_signature)
File
"/usr/local/lib/python2.5/site-packages/gnuradio/gr/gnuradio_swig_py_runtime.py",
line 995, in hier_block2_swig
return _gnuradio_swig_py_runtime.hier_block2_swig(*args, **kwargs)
RuntimeError: Hierarchical blocks do not yet support arbitrary or variable
numbers of inputs or outputs (usrp_rx)
can anyone give me some means to solve the above problem?
thank you!
xiaoming
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