1 files changed, 90 insertions, 0 deletions
diff --git a/gr-fec/python/fec/_qa_helper.py b/gr-fec/python/fec/_qa_helper.py
new file mode 100755
index 0000000000..8722453441
--- /dev/null
+++ b/gr-fec/python/fec/_qa_helper.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python
+#
+# Copyright 2014 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 blocks
+from gnuradio import gr
+import sys, numpy
+
+from extended_encoder import extended_encoder
+from extended_decoder import extended_decoder
+
+class map_bb(gr.sync_block):
+    def __init__(self, bitmap):
+        gr.sync_block.__init__(
+            self,
+            name = "map_bb",
+            in_sig = [numpy.int8],
+            out_sig = [numpy.int8])
+        self.bitmap = bitmap
+
+    def work(self, input_items, output_items):
+        output_items[0][:] = map(lambda x: self.bitmap[x], input_items[0])
+        return len(output_items[0])
+
+
+class _qa_helper(gr.top_block):
+
+    def __init__(self, data_size, enc, dec, threading):
+        gr.top_block.__init__(self, "_qa_helper")
+
+        self.puncpat = puncpat = '11'
+
+        self.enc = enc
+        self.dec = dec
+        self.data_size = data_size
+        self.threading = threading
+
+        self.ext_encoder = extended_encoder(enc, threading=self.threading, puncpat=self.puncpat)
+        self.ext_decoder= extended_decoder(dec, threading=self.threading, ann=None,
+                                           puncpat=self.puncpat, integration_period=10000)
+
+        self.src = blocks.vector_source_b(data_size*[0, 1, 2, 3, 5, 7, 9, 13, 15, 25, 31, 45, 63, 95, 127], False)
+        self.unpack = blocks.unpack_k_bits_bb(8)
+        self.map = map_bb([-1, 1])
+        self.to_float = blocks.char_to_float(1)
+        self.snk_input = blocks.vector_sink_b()
+        self.snk_output = blocks.vector_sink_b()
+
+        self.connect(self.src, self.unpack, self.ext_encoder)
+        self.connect(self.ext_encoder, self.map, self.to_float)
+        self.connect(self.to_float, self.ext_decoder)
+        self.connect(self.unpack, self.snk_input)
+        self.connect(self.ext_decoder, self.snk_output)
+
+if __name__ == '__main__':
+    frame_size = 30
+    enc = fec.dummy_encoder_make(frame_size*8)
+    #enc = fec.repetition_encoder_make(frame_size*8, 3)
+    dec = fec.dummy_decoder.make(frame_size*8)
+
+    tb = _qa_helper(10*frame_size, enc, dec, None)
+    tb.run()
+
+    errs = 0
+    for i,o in zip(tb.snk_input.data(), tb.snk_output.data()):
+        if i-o != 0:
+            errs += 1
+
+    if errs == 0:
+        print "Decoded properly"
+    else:
+        print "Problem Decoding"