diff options
Diffstat (limited to 'gnuradio-examples/python/usrp/usrp_spectrum_sense.py')
| -rwxr-xr-x | gnuradio-examples/python/usrp/usrp_spectrum_sense.py | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/gnuradio-examples/python/usrp/usrp_spectrum_sense.py b/gnuradio-examples/python/usrp/usrp_spectrum_sense.py index 1d86e03cc1..90adf1671e 100755 --- a/gnuradio-examples/python/usrp/usrp_spectrum_sense.py +++ b/gnuradio-examples/python/usrp/usrp_spectrum_sense.py @@ -1,9 +1,28 @@ #!/usr/bin/env python +# +# Copyright 2005,2007 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# GNU Radio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# from gnuradio import gr, gru, eng_notation, optfir, window from gnuradio import audio from gnuradio import usrp -from gnuradio import blks from gnuradio.eng_option import eng_option from optparse import OptionParser from usrpm import usrp_dbid @@ -16,9 +35,9 @@ class tune(gr.feval_dd): """ This class allows C++ code to callback into python. """ - def __init__(self, fg): + def __init__(self, tb): gr.feval_dd.__init__(self) - self.fg = fg + self.tb = tb def eval(self, ignore): """ @@ -36,7 +55,7 @@ class tune(gr.feval_dd): # # message on stderr. Not exactly helpful ;) - new_freq = self.fg.set_next_freq() + new_freq = self.tb.set_next_freq() return new_freq except Exception, e: @@ -55,10 +74,10 @@ class parse_msg(object): self.data = struct.unpack('%df' % (self.vlen,), t) -class my_graph(gr.flow_graph): +class my_top_block(gr.top_block): def __init__(self): - gr.flow_graph.__init__(self) + gr.top_block.__init__(self) usage = "usage: %prog [options] min_freq max_freq" parser = OptionParser(option_class=eng_option, usage=usage) @@ -213,12 +232,12 @@ class my_graph(gr.flow_graph): self.subdev.set_gain(gain) -def main_loop(fg): +def main_loop(tb): while 1: # Get the next message sent from the C++ code (blocking call). # It contains the center frequency and the mag squared of the fft - m = parse_msg(fg.msgq.delete_head()) + m = parse_msg(tb.msgq.delete_head()) # Print center freq so we know that something is happening... print m.center_freq @@ -233,10 +252,10 @@ def main_loop(fg): if __name__ == '__main__': - fg = my_graph() + tb = my_top_block() try: - fg.start() # start executing flow graph in another thread... - main_loop(fg) + tb.start() # start executing flow graph in another thread... + main_loop(tb) except KeyboardInterrupt: pass |