diff options
| author | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2007-09-18 18:59:00 +0000 |
|---|---|---|
| committer | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2007-09-18 18:59:00 +0000 |
| commit | e692e71305ecd71d3681fe37f3d76f350d67e276 (patch) | |
| tree | dc320c9261303aa9a92f4d12bdba85f82720d1bf /gnuradio-examples/python/usrp/fm_tx4.py | |
| parent | 6ad04a094ced626e46c210b9847eae46a1ae8e67 (diff) | |
Merge r6461:6464 from jcorgan/t162-staging into trunk.
* Final gr.top_block and gr.hier_block2 implementation inside
gnuradio-core/src/lib/runtime
* Implementation of gr.hier_block2 versions of all the old-style blocks
in blks. These live in blks2.
* Addition of gr.hier_block2 based versions of gr-wxgui blocks
* Conversion of all the example code in gnuradio-examples to use this
new code
* Conversion of all the gr-utils scripts to use the new code
The OFDM examples and related hierarchical blocks have not yet been
converted. Code in the rest of the tree that is outside the core
and example components has also not yet been converted.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6466 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-examples/python/usrp/fm_tx4.py')
| -rwxr-xr-x | gnuradio-examples/python/usrp/fm_tx4.py | 60 |
1 files changed, 40 insertions, 20 deletions
diff --git a/gnuradio-examples/python/usrp/fm_tx4.py b/gnuradio-examples/python/usrp/fm_tx4.py index 7e5023ddb8..e97468d5ed 100755 --- a/gnuradio-examples/python/usrp/fm_tx4.py +++ b/gnuradio-examples/python/usrp/fm_tx4.py @@ -1,4 +1,24 @@ #!/usr/bin/env python +# +# Copyright 2005,2006,2007 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. +# """ Transmit N simultaneous narrow band FM signals. @@ -15,14 +35,14 @@ audio_to_file.py from gnuradio import gr, eng_notation from gnuradio import usrp from gnuradio import audio -from gnuradio import blks +from gnuradio import blks2 from gnuradio.eng_option import eng_option from optparse import OptionParser from usrpm import usrp_dbid import math import sys -from gnuradio.wxgui import stdgui, fftsink +from gnuradio.wxgui import stdgui2, fftsink2 from gnuradio import tx_debug_gui import wx @@ -30,12 +50,15 @@ import wx ######################################################## # instantiate one transmit chain for each call -class pipeline(gr.hier_block): - def __init__(self, fg, filename, lo_freq, audio_rate, if_rate): +class pipeline(gr.hier_block2): + def __init__(self, filename, lo_freq, audio_rate, if_rate): + + gr.hier_block2.__init__(self, "pipeline", + gr.io_signature(0, 0, 0), # Input signature + gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature src = gr.file_source (gr.sizeof_float, filename, True) - fmtx = blks.nbfm_tx (fg, audio_rate, if_rate, - max_dev=5e3, tau=75e-6) + fmtx = blks2.nbfm_tx (audio_rate, if_rate, max_dev=5e3, tau=75e-6) # Local oscillator lo = gr.sig_source_c (if_rate, # sample rate @@ -45,17 +68,14 @@ class pipeline(gr.hier_block): 0) # DC Offset mixer = gr.multiply_cc () - fg.connect (src, fmtx, (mixer, 0)) - fg.connect (lo, (mixer, 1)) - - gr.hier_block.__init__(self, fg, src, mixer) - + self.connect (src, fmtx, (mixer, 0)) + self.connect (lo, (mixer, 1)) -class fm_tx_graph (stdgui.gui_flow_graph): +class fm_tx_block(stdgui2.std_top_block): def __init__(self, frame, panel, vbox, argv): MAX_CHANNELS = 7 - stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv) + stdgui2.std_top_block.__init__ (self, frame, panel, vbox, argv) parser = OptionParser (option_class=eng_option) parser.add_option("-T", "--tx-subdev-spec", type="subdev", default=None, @@ -119,9 +139,9 @@ class fm_tx_graph (stdgui.gui_flow_graph): step = 25e3 offset = (0 * step, 1 * step, -1 * step, 2 * step, -2 * step, 3 * step, -3 * step) for i in range (options.nchannels): - t = pipeline (self, "audio-%d.dat" % (i % 4), offset[i], - self.audio_rate, self.usrp_rate) - self.connect (t, (sum, i)) + t = pipeline("audio-%d.dat" % (i % 4), offset[i], + self.audio_rate, self.usrp_rate) + self.connect(t, (sum, i)) gain = gr.multiply_const_cc (4000.0 / options.nchannels) @@ -131,9 +151,9 @@ class fm_tx_graph (stdgui.gui_flow_graph): # plot an FFT to verify we are sending what we want if 1: - post_mod = fftsink.fft_sink_c(self, panel, title="Post Modulation", - fft_size=512, sample_rate=self.usrp_rate, - y_per_div=20, ref_level=40) + post_mod = fftsink2.fft_sink_c(panel, title="Post Modulation", + fft_size=512, sample_rate=self.usrp_rate, + y_per_div=20, ref_level=40) self.connect (sum, post_mod) vbox.Add (post_mod.win, 1, wx.EXPAND) @@ -170,7 +190,7 @@ class fm_tx_graph (stdgui.gui_flow_graph): return False def main (): - app = stdgui.stdapp (fm_tx_graph, "Multichannel FM Tx") + app = stdgui2.stdapp(fm_tx_block, "Multichannel FM Tx", nstatus=1) app.MainLoop () if __name__ == '__main__': |