diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2011-10-12 17:01:44 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2011-10-12 17:01:44 -0400 |
| commit | 5f0bc5a2096012d6a94f72e20190ab8b3e0b4f88 (patch) | |
| tree | 465294556e9209c9a0f864e171d6823e6da11053 /gnuradio-examples/python/ofdm/transmit_path.py | |
| parent | d1e3108c8705289d194300ca9fad1c22f579be9b (diff) | |
digital: wip: moved all OFDM examples and blks2impl to gr-digital.
Diffstat (limited to 'gnuradio-examples/python/ofdm/transmit_path.py')
| -rw-r--r-- | gnuradio-examples/python/ofdm/transmit_path.py | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/gnuradio-examples/python/ofdm/transmit_path.py b/gnuradio-examples/python/ofdm/transmit_path.py deleted file mode 100644 index 44c7331b05..0000000000 --- a/gnuradio-examples/python/ofdm/transmit_path.py +++ /dev/null @@ -1,93 +0,0 @@ -# -# Copyright 2005,2006 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, blks2 -from gnuradio import usrp -from gnuradio import eng_notation - -import copy -import sys - -# ///////////////////////////////////////////////////////////////////////////// -# transmit path -# ///////////////////////////////////////////////////////////////////////////// - -class transmit_path(gr.hier_block2): - def __init__(self, options): - ''' - See below for what options should hold - ''' - - gr.hier_block2.__init__(self, "transmit_path", - gr.io_signature(0, 0, 0), # Input signature - gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature - - options = copy.copy(options) # make a copy so we can destructively modify - - self._verbose = options.verbose # turn verbose mode on/off - self._tx_amplitude = options.tx_amplitude # digital amplitude sent to USRP - - self.ofdm_tx = \ - blks2.ofdm_mod(options, msgq_limit=4, pad_for_usrp=False) - - self.amp = gr.multiply_const_cc(1) - self.set_tx_amplitude(self._tx_amplitude) - - # Display some information about the setup - if self._verbose: - self._print_verbage() - - # Create and setup transmit path flow graph - self.connect(self.ofdm_tx, self.amp, self) - - def set_tx_amplitude(self, ampl): - """ - Sets the transmit amplitude sent to the USRP - @param: ampl 0 <= ampl < 32768. Try 8000 - """ - self._tx_amplitude = max(0.0, min(ampl, 32767.0)) - self.amp.set_k(self._tx_amplitude) - - def send_pkt(self, payload='', eof=False): - """ - Calls the transmitter method to send a packet - """ - return self.ofdm_tx.send_pkt(payload, eof) - - def add_options(normal, expert): - """ - Adds transmitter-specific options to the Options Parser - """ - normal.add_option("", "--tx-amplitude", type="eng_float", default=200, metavar="AMPL", - help="set transmitter digital amplitude: 0 <= AMPL < 32768 [default=%default]") - normal.add_option("-v", "--verbose", action="store_true", default=False) - expert.add_option("", "--log", action="store_true", default=False, - help="Log all parts of flow graph to file (CAUTION: lots of data)") - - # Make a static method to call before instantiation - add_options = staticmethod(add_options) - - def _print_verbage(self): - """ - Prints information about the transmit path - """ - print "Tx amplitude %s" % (self._tx_amplitude) - |