[Discuss-gnuradio] RE: Discuss-gnuradio Digest, Vol 81, Issue 29

[汤图杨]

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?
      address@hidden 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 :
   address@hidden 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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