diff options
Diffstat (limited to 'grc/grc_gnuradio/blks2/variable_sink.py')
-rw-r--r-- | grc/grc_gnuradio/blks2/variable_sink.py | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/grc/grc_gnuradio/blks2/variable_sink.py b/grc/grc_gnuradio/blks2/variable_sink.py deleted file mode 100644 index cad3b8b04..000000000 --- a/grc/grc_gnuradio/blks2/variable_sink.py +++ /dev/null @@ -1,64 +0,0 @@ -# -# Copyright 2009 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 -import threading -import numpy - -class _variable_sink_base(gr.hier_block2, threading.Thread): - """ - The thread polls the message queue for values and writes to a callback. - """ - - def __init__(self, vlen, decim, callback): - self._vlen = vlen - self._callback = callback - self._item_size = self._size*self._vlen - #init hier block - gr.hier_block2.__init__( - self, 'variable_sink', - gr.io_signature(1, 1, self._item_size), - gr.io_signature(0, 0, 0), - ) - #create blocks - self._decimator = gr.keep_one_in_n(self._item_size, decim) - self._msgq = gr.msg_queue(2) - message_sink = gr.message_sink(self._item_size, self._msgq, False) - #connect - self.connect(self, self._decimator, message_sink) - #setup thread - threading.Thread.__init__(self) - self.setDaemon(True) - self.start() - - def set_decim(self, decim): self._decimator.set_n(decim) - - def run(self): - while True: #truncate to item size, convert to array, callback - msg = self._msgq.delete_head().to_string()[-self._item_size:] - arr = map(self._cast, numpy.fromstring(msg, self._numpy)) - self._callback(self._vlen > 1 and arr or arr[0]) - -class variable_sink_b(_variable_sink_base): _numpy, _size, _cast = numpy.int8, gr.sizeof_char, int -class variable_sink_s(_variable_sink_base): _numpy, _size, _cast = numpy.int16, gr.sizeof_short, int -class variable_sink_i(_variable_sink_base): _numpy, _size, _cast = numpy.int32, gr.sizeof_int, int -class variable_sink_f(_variable_sink_base): _numpy, _size, _cast = numpy.float32, gr.sizeof_float, float -class variable_sink_c(_variable_sink_base): _numpy, _size, _cast = numpy.complex64, gr.sizeof_gr_complex, complex |