summaryrefslogtreecommitdiff
path: root/grc/grc_gnuradio/blks2/variable_sink.py
diff options
context:
space:
mode:
Diffstat (limited to 'grc/grc_gnuradio/blks2/variable_sink.py')
-rw-r--r--grc/grc_gnuradio/blks2/variable_sink.py64
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