From bc0a3ff98377e41fa1e31d448d45b2b377b54cea Mon Sep 17 00:00:00 2001
From: trondeau <trondeau@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Wed, 17 Jun 2009 02:14:59 +0000
Subject: Merging trondeau/digital branch r11185:11205 to improve digital
example interfacing and remove redundancy.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11209 221aa14e-8319-0410-a670-987f0aec2ac5
---
.../python/digital/transmit_path_lb.py | 118 ---------------------
1 file changed, 118 deletions(-)
delete mode 100644 gnuradio-examples/python/digital/transmit_path_lb.py
(limited to 'gnuradio-examples/python/digital/transmit_path_lb.py')
diff --git a/gnuradio-examples/python/digital/transmit_path_lb.py b/gnuradio-examples/python/digital/transmit_path_lb.py
deleted file mode 100644
index 11d3702694..0000000000
--- a/gnuradio-examples/python/digital/transmit_path_lb.py
+++ /dev/null
@@ -1,118 +0,0 @@
-#
-# 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.
-#
-
-from gnuradio import gr, gru, blks2
-from gnuradio import eng_notation
-
-import copy
-import sys
-
-# /////////////////////////////////////////////////////////////////////////////
-# transmit path
-# /////////////////////////////////////////////////////////////////////////////
-
-class transmit_path(gr.hier_block2):
- def __init__(self, modulator_class, 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
- self._tx_amplitude = options.tx_amplitude # digital amplitude sent to USRP
- self._bitrate = options.bitrate # desired bit rate
- self._samples_per_symbol = options.samples_per_symbol # desired samples/baud
-
- self._modulator_class = modulator_class # the modulator_class we are using
-
- # Get mod_kwargs
- mod_kwargs = self._modulator_class.extract_kwargs_from_options(options)
-
- # transmitter
- modulator = self._modulator_class(**mod_kwargs)
- self.packet_transmitter = \
- blks2.mod_pkts(modulator,
- access_code=None,
- msgq_limit=4,
- pad_for_usrp=True)
-
- 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()
-
- # Connect components in the flowgraph
- self.connect(self.packet_transmitter, 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.packet_transmitter.send_pkt(payload, eof)
-
- def bitrate(self):
- return self._bitrate
-
- def samples_per_symbol(self):
- return self._samples_per_symbol
-
- def add_options(normal, expert):
- """
- Adds transmitter-specific options to the Options Parser
- """
- if not normal.has_option('--bitrate'):
- normal.add_option("-r", "--bitrate", type="eng_float", default=100e3,
- help="specify bitrate [default=%default].")
- normal.add_option("", "--tx-amplitude", type="eng_float", default=12000, 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("-S", "--samples-per-symbol", type="int", default=2,
- help="set samples/symbol [default=%default]")
- 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)
- print "modulation: %s" % (self._modulator_class.__name__)
- print "bitrate: %sb/s" % (eng_notation.num_to_str(self._bitrate))
- print "samples/symbol: %3d" % (self._samples_per_symbol)
-
--
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