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[Discuss-gnuradio] problems associated with airprobe
From
:
xiangwei zheng
Subject
:
[Discuss-gnuradio] problems associated with airprobe
Date
:
Wed, 19 Dec 2012 10:13:36 -0500
Dear All,
I am working on decoding broadcast channel of GSM using airprobe.
I follow airprobe instructions
https://svn.berlin.ccc.de/projects/airprobe/wiki/WorkingWithTheUSRP
https://svn.berlin.ccc.de/projects/airprobe/wiki/A
But still run into problems two errors are related with "cannot open usrp" and one error are related with " No module named gsm"
error 1 of "cannot open usrp"
address@hidden:~/airprobe/gsm-
receiver/src/python$ sudo ./capture.sh 945000000/usr/local/bin/usrp_
rx_cfile.py
Capturing for 10 seconds to capture_945000000_112.cfile (5714280 samples)
usrp: failed to find usrp[0]
Traceback (most recent call last):
File "/usr/local/bin/usrp_rx_cfile.
py", line 106, in <module>
my_top_block().run()
File "/usr/local/bin/usrp_rx_cfile.
py", line 62, in __init__
self.u = usrp.source_c(decim_rate=
options.decim)
File "/usr/local/lib/python2.6/
dist-packages/gnuradio/usrp/
usrp_swig.py", line 1699, in source_c
return _usrp_swig.source_c(*args, **kwargs)
RuntimeError: can't open usrp
error2 of "cannot open usrp"
address@hidden:~/airprobe/gsm-
tvoid/src/python$ ./gsm_scan.py
% offset = 0.0 clock = 64000000.0
fusb_block_size = 4096
fusb_nblocks = 16
usrp: failed to find usrp[0]
Traceback (most recent call last):
File "./gsm_scan.py", line 731, in <module>
main()
File "./gsm_scan.py", line 726, in main
app = stdgui2.stdapp(app_flow_graph, "GSM Scanner", nstatus=1)
File "/usr/local/lib/python2.6/
dist-packages/gnuradio/wxgui/
stdgui2.py", line 36, in __init__
wx.App.__init__ (self, redirect=False)
File "/usr/lib/python2.6/dist-
packages/wx-2.8-gtk2-unicode/
wx/_core.py", line 7978, in __init__
self._BootstrapApp()
File "/usr/lib/python2.6/dist-
packages/wx-2.8-gtk2-unicode/
wx/_core.py", line 7552, in _BootstrapApp
return _core_.PyApp__BootstrapApp(*
args, **kwargs)
File "/usr/local/lib/python2.6/
dist-packages/gnuradio/wxgui/
stdgui2.py", line 39, in OnInit
frame = stdframe (self.top_block_maker, self.title, self._nstatus)
File "/usr/local/lib/python2.6/
dist-packages/gnuradio/wxgui/
stdgui2.py", line 60, in __init__
self.panel = stdpanel (self, self, top_block_maker)
File "/usr/local/lib/python2.6/
dist-packages/gnuradio/wxgui/
stdgui2.py", line 81, in __init__
self.top_block = top_block_maker (frame, self, vbox, sys.argv)
File "./gsm_scan.py", line 172, in __init__
self.setup_flowgraph()
File "./gsm_scan.py", line 552, in setup_flowgraph
self.setup_usrp()
File "./gsm_scan.py", line 361, in setup_usrp
self.ursp = usrp.source_c(decim_rate=
options.decim,fusb_block_size=
options.fusb_block_size,fusb_
nblocks=options.fusb_nblocks)
File "/usr/local/lib/python2.6/
dist-packages/gnuradio/usrp/
usrp_swig.py", line 1699, in source_c
return _usrp_swig.source_c(*args, **kwargs)
RuntimeError: can't open usrp
error3 of " No module named gsm"
address@hidden:~/airprobe/gsm-
receiver/src/python$ ./go_usrp2.sh vf_call6_a725_d174_g5_
Kc1EF00BAB3BAC7002.cfile
Traceback (most recent call last):
File "./gsm_receive100.py", line 12, in <module>
import gsm
ImportError: No module named gsm
According to my finding of the link
http://lists.gnu.org/archive/html/discuss-gnuradio/2011-09/msg00467.html
,
Miguel Sanz
has done
Airprobe to decode downlink signals on N210.
I wonder if there is anyway, I can contact him.
Thank you.
regards
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2012/12/19
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