diff options
| author | Ben Reynwar <ben@reynwar.net> | 2013-03-07 23:06:08 -0700 |
|---|---|---|
| committer | Ben Reynwar <ben@reynwar.net> | 2013-03-07 23:06:08 -0700 |
| commit | b841288cfb261da28746c4b3aaa7a1dfc078ebfd (patch) | |
| tree | fb4bf432ba1f23d3b6a86345e8ad76ed18b21636 /gr-blocks/python/stream_to_vector_decimator.py | |
| parent | 45127424b4b7252dfc6d20c91709e1536497f97c (diff) | |
blocks: Enabling uninstalled python imports.
Diffstat (limited to 'gr-blocks/python/stream_to_vector_decimator.py')
| -rw-r--r-- | gr-blocks/python/stream_to_vector_decimator.py | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/gr-blocks/python/stream_to_vector_decimator.py b/gr-blocks/python/stream_to_vector_decimator.py deleted file mode 100644 index c32ae6fce2..0000000000 --- a/gr-blocks/python/stream_to_vector_decimator.py +++ /dev/null @@ -1,106 +0,0 @@ -# -# Copyright 2008 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 - -try: - from gnuradio import blocks -except ImportError: - import blocks_swig as blocks - -class stream_to_vector_decimator(gr.hier_block2): - """ - Convert the stream to a vector, decimate the vector stream to achieve the vector rate. - """ - - def __init__(self, item_size, sample_rate, vec_rate, vec_len): - """ - Create the block chain. - - Args: - item_size: the number of bytes per sample - sample_rate: the rate of incoming samples - vec_rate: the rate of outgoing vectors (same units as sample_rate) - vec_len: the length of the outgoing vectors in items - """ - self._vec_rate = vec_rate - self._vec_len = vec_len - self._sample_rate = sample_rate - - gr.hier_block2.__init__(self, "stream_to_vector_decimator", - gr.io_signature(1, 1, item_size), # Input signature - gr.io_signature(1, 1, item_size*vec_len)) # Output signature - - s2v = blocks.stream_to_vector(item_size, vec_len) - self.one_in_n = blocks.keep_one_in_n(item_size*vec_len, 1) - self._update_decimator() - self.connect(self, s2v, self.one_in_n, self) - - def set_sample_rate(self, sample_rate): - """ - Set the new sampling rate and update the decimator. - - Args: - sample_rate: the new rate - """ - self._sample_rate = sample_rate - self._update_decimator() - - def set_vec_rate(self, vec_rate): - """ - Set the new vector rate and update the decimator. - - Args: - vec_rate: the new rate - """ - self._vec_rate = vec_rate - self._update_decimator() - - def set_decimation(self, decim): - """ - Set the decimation parameter directly. - - Args: - decim: the new decimation - """ - self._decim = max(1, int(round(decim))) - self.one_in_n.set_n(self._decim) - - def _update_decimator(self): - self.set_decimation(self._sample_rate/self._vec_len/self._vec_rate) - - def decimation(self): - """ - Returns the actual decimation. - """ - return self._decim - - def sample_rate(self): - """ - Returns configured sample rate. - """ - return self._sample_rate - - def frame_rate(self): - """ - Returns actual frame rate - """ - return self._sample_rate/self._vec_len/self._decim |