1 files changed, 100 insertions, 0 deletions
diff --git a/gr-fec/python/fec/capillary_threaded_decoder.py b/gr-fec/python/fec/capillary_threaded_decoder.py
new file mode 100644
index 0000000000..9a00cde192
--- /dev/null
+++ b/gr-fec/python/fec/capillary_threaded_decoder.py
@@ -0,0 +1,100 @@
+#!/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 gr, blocks
+import fec_swig as fec
+import math
+
+class capillary_threaded_decoder(gr.hier_block2):
+    def __init__(self, decoder_list_0, input_size, output_size):
+        gr.hier_block2.__init__(
+            self, "Capillary Threaded Decoder",
+            gr.io_signature(1, 1, input_size*1),
+            gr.io_signature(1, 1, output_size*1))
+
+        self.decoder_list_0 = decoder_list_0
+
+        check = math.log10(len(self.decoder_list_0)) / math.log10(2.0)
+        if(abs(check - int(check)) > 0):
+            gr.log.info("fec.capillary_threaded_decoder: number of decoders must be a power of 2.")
+            raise AttributeError
+
+        self.deinterleaves_0 = []
+        for i in range(int(math.log(len(decoder_list_0), 2))):
+            for j in range(int(math.pow(2, i))):
+                self.deinterleaves_0.append(blocks.deinterleave(input_size,
+                                                                fec.get_decoder_input_size(decoder_list_0[0])))
+
+        self.generic_decoders_0 = []
+        for i in range(len(decoder_list_0)):
+            self.generic_decoders_0.append(fec.decoder(decoder_list_0[i], input_size, output_size))
+
+        self.interleaves_0 = []
+        for i in range(int(math.log(len(decoder_list_0), 2))):
+            for j in range(int(math.pow(2, i))):
+                self.interleaves_0.append(blocks.interleave(output_size,
+                                                            fec.get_decoder_output_size(decoder_list_0[0])))
+
+        rootcount = 0
+        branchcount = 1
+        for i in range(int(math.log(len(decoder_list_0), 2)) - 1):
+            for j in range(int(math.pow(2, i))):
+                self.connect((self.deinterleaves_0[rootcount], 0), (self.deinterleaves_0[branchcount], 0))
+                self.connect((self.deinterleaves_0[rootcount], 1), (self.deinterleaves_0[branchcount + 1], 0))
+                rootcount += 1
+                branchcount += 2
+
+        codercount = 0
+        for i in range(len(decoder_list_0)/2):
+            self.connect((self.deinterleaves_0[rootcount], 0), (self.generic_decoders_0[codercount], 0))
+            self.connect((self.deinterleaves_0[rootcount], 1), (self.generic_decoders_0[codercount + 1], 0))
+            rootcount += 1
+            codercount += 2
+
+        rootcount = 0
+        branchcount = 1
+        for i in range(int(math.log(len(decoder_list_0), 2)) - 1):
+            for j in range(int(math.pow(2, i))):
+                self.connect((self.interleaves_0[branchcount], 0), (self.interleaves_0[rootcount], 0))
+                self.connect((self.interleaves_0[branchcount + 1], 0), (self.interleaves_0[rootcount], 1))
+                rootcount += 1
+                branchcount += 2
+
+        codercount = 0
+        for i in range(len(decoder_list_0)/2):
+            self.connect((self.generic_decoders_0[codercount], 0), (self.interleaves_0[rootcount], 0))
+            self.connect((self.generic_decoders_0[codercount + 1], 0), (self.interleaves_0[rootcount], 1))
+            rootcount += 1
+            codercount += 2
+
+        if ((len(self.decoder_list_0)) > 1):
+            self.connect((self, 0), (self.deinterleaves_0[0], 0))
+            self.connect((self.interleaves_0[0], 0), (self, 0))
+        else:
+            self.connect((self, 0), (self.generic_decoders_0[0], 0))
+            self.connect((self.generic_decoders_0[0], 0), (self, 0))
+
+    def get_decoder_list_0(self):
+        return self.decoder_list_0
+
+    def set_decoder_list_0(self, decoder_list_0):
+        self.decoder_list_0 = decoder_list_0