diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2011-10-06 17:04:47 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2011-10-06 17:04:47 -0400 |
| commit | 21beeed3c257e43b557edf01114fc752d4123125 (patch) | |
| tree | f7d57aa3bd35964d299125992bd38a6033589aef /gnuradio-examples/python/usrp/fm_tx_2_daughterboards.py | |
| parent | 887b369981ebf3e6f69d8e761d83dd556d2ae2d4 (diff) | |
uhd: moved fm_tx_2_daughterboards and usrp_spectrum_sense to gr-uhd/examples. Neither are working properly quite yet.
Removed all usrp examples from gnuradio-examples/python/usrp and removed directory.
Diffstat (limited to 'gnuradio-examples/python/usrp/fm_tx_2_daughterboards.py')
| -rwxr-xr-x | gnuradio-examples/python/usrp/fm_tx_2_daughterboards.py | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/gnuradio-examples/python/usrp/fm_tx_2_daughterboards.py b/gnuradio-examples/python/usrp/fm_tx_2_daughterboards.py deleted file mode 100755 index 15fdf2831c..0000000000 --- a/gnuradio-examples/python/usrp/fm_tx_2_daughterboards.py +++ /dev/null @@ -1,183 +0,0 @@ -#!/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 2 signals, one out each daughterboard. - -Outputs SSB (USB) signals on side A and side B at frequencies -specified on command line. - -Side A is 600 Hz tone. -Side B is 350 + 440 Hz tones. -""" - -from gnuradio import gr -from gnuradio.eng_notation import num_to_str, str_to_num -from gnuradio import usrp -from gnuradio import audio -from gnuradio import blks2 -from gnuradio.eng_option import eng_option -from optparse import OptionParser -from usrpm import usrp_dbid -import math -import sys - - -class example_signal_0(gr.hier_block2): - """ - Sinusoid at 600 Hz. - """ - def __init__(self, sample_rate): - gr.hier_block2.__init__(self, "example_signal_0", - gr.io_signature(0, 0, 0), # Input signature - gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature - - src = gr.sig_source_c (sample_rate, # sample rate - gr.GR_SIN_WAVE, # waveform type - 600, # frequency - 1.0, # amplitude - 0) # DC Offset - - self.connect(src, self) - - -class example_signal_1(gr.hier_block2): - """ - North American dial tone (350 + 440 Hz). - """ - def __init__(self, sample_rate): - gr.hier_block2.__init__(self, "example_signal_1", - gr.io_signature(0, 0, 0), # Input signature - gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature - - src0 = gr.sig_source_c (sample_rate, # sample rate - gr.GR_SIN_WAVE, # waveform type - 350, # frequency - 1.0, # amplitude - 0) # DC Offset - - src1 = gr.sig_source_c (sample_rate, # sample rate - gr.GR_SIN_WAVE, # waveform type - 440, # frequency - 1.0, # amplitude - 0) # DC Offset - sum = gr.add_cc() - self.connect(src0, (sum, 0)) - self.connect(src1, (sum, 1)) - self.connect(sum, self) - -class my_top_block(gr.top_block): - - def __init__(self): - gr.top_block.__init__(self) - - usage="%prog: [options] side-A-tx-freq side-B-tx-freq" - parser = OptionParser (option_class=eng_option, usage=usage) - (options, args) = parser.parse_args () - - if len(args) != 2: - parser.print_help() - raise SystemExit - else: - freq0 = str_to_num(args[0]) - freq1 = str_to_num(args[1]) - - # ---------------------------------------------------------------- - # Set up USRP to transmit on both daughterboards - - self.u = usrp.sink_c(nchan=2) # say we want two channels - - self.dac_rate = self.u.dac_rate() # 128 MS/s - self.usrp_interp = 400 - self.u.set_interp_rate(self.usrp_interp) - self.usrp_rate = self.dac_rate / self.usrp_interp # 320 kS/s - - # we're using both daughterboard slots, thus subdev is a 2-tuple - self.subdev = (self.u.db(0, 0), self.u.db(1, 0)) - print "Using TX d'board %s" % (self.subdev[0].side_and_name(),) - print "Using TX d'board %s" % (self.subdev[1].side_and_name(),) - - # set up the Tx mux so that - # channel 0 goes to Slot A I&Q and channel 1 to Slot B I&Q - self.u.set_mux(0xba98) - - self.subdev[0].set_gain(self.subdev[0].gain_range()[1]) # set max Tx gain - self.subdev[1].set_gain(self.subdev[1].gain_range()[1]) # set max Tx gain - - self.set_freq(0, freq0) - self.set_freq(1, freq1) - self.subdev[0].set_enable(True) # enable transmitter - self.subdev[1].set_enable(True) # enable transmitter - - # ---------------------------------------------------------------- - # build two signal sources, interleave them, amplify and connect them to usrp - - sig0 = example_signal_0(self.usrp_rate) - sig1 = example_signal_1(self.usrp_rate) - - intl = gr.interleave(gr.sizeof_gr_complex) - self.connect(sig0, (intl, 0)) - self.connect(sig1, (intl, 1)) - - # apply some gain - if_gain = 10000 - ifamp = gr.multiply_const_cc(if_gain) - - # and wire them up - self.connect(intl, ifamp, self.u) - - - def set_freq(self, side, target_freq): - """ - Set the center frequency we're interested in. - - @param side: 0 = side A, 1 = side B - @param target_freq: frequency in Hz - @rtype: bool - - Tuning is a two step process. First we ask the front-end to - tune as close to the desired frequency as it can. Then we use - the result of that operation and our target_frequency to - determine the value for the digital up converter. - """ - - print "Tuning side %s to %sHz" % (("A", "B")[side], num_to_str(target_freq)) - r = self.u.tune(self.subdev[side].which(), self.subdev[side], target_freq) - if r: - print " r.baseband_freq =", num_to_str(r.baseband_freq) - print " r.dxc_freq =", num_to_str(r.dxc_freq) - print " r.residual_freq =", num_to_str(r.residual_freq) - print " r.inverted =", r.inverted - print " OK" - return True - - else: - print " Failed!" - - return False - - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass |