trellis: updated examples.

+ Fixed paths to match GNURADIO-3.7.x conventions + Fixed errors with dimensionality + Changed to QT-widgets
author: Jan <kraemer.jn@googlemail.com> 2014-07-17 14:57:06 +0200
committer: Tom Rondeau <tom@trondeau.com> 2014-07-28 11:51:12 -0400
commit: 475b9e08be4506b1c9987d4fb96030580e20456f (patch)
tree: d351fdd5f63cf6d0c64dfc620277cb61d3563291 /gr-trellis/examples/grc
parent: 7f847769126c3141aa1db0b24bb82f80b8524e87 (diff)
4 files changed, 1361 insertions, 1155 deletions
diff --git a/gr-trellis/examples/grc/pccc.grc b/gr-trellis/examples/grc/pccc.grc
index f95d8ae28b..0f8d76dd2e 100644
--- a/gr-trellis/examples/grc/pccc.grc
+++ b/gr-trellis/examples/grc/pccc.grc
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='ASCII'?>
 <flow_graph>
-  <timestamp>Sat Jul 12 17:37:36 2014</timestamp>
+  <timestamp>Thu Jul 17 14:55:30 2014</timestamp>
   <block>
     <key>options</key>
     <param>
@@ -13,7 +13,7 @@
     </param>
     <param>
       <key>title</key>
-      <value>Serially Concatenated Convolutional Code</value>
+      <value>Parallel Concatenated Convolutional Code</value>
     </param>
     <param>
       <key>author</key>
@@ -29,7 +29,7 @@
     </param>
     <param>
       <key>generate_options</key>
-      <value>wx_gui</value>
+      <value>qt_gui</value>
     </param>
     <param>
       <key>category</key>
@@ -68,7 +68,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>prefix</value>
+      <value>GNURADIO_SRC_DIR</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -76,15 +76,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>"/home/mbant/src/gnuradio/"</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
+      <value>"/home/jank/src/gnuradio/"</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(590, 15)</value>
+      <value>(656, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -103,15 +99,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>100e3</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
+      <value>GNURADIO_SRC_DIR</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(482, 17)</value>
+      <value>(434, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -122,7 +114,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>block</value>
+      <value>noisevar</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -130,7 +122,7 @@
     </param>
     <param>
       <key>value</key>
-      <value>1000</value>
+      <value>10**(-snr_db/10)</value>
     </param>
     <param>
       <key>alias</key>
@@ -138,7 +130,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(764, 16)</value>
+      <value>(279, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -149,7 +141,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>noisevar</value>
+      <value>R</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -157,15 +149,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>10**(-snr_db/10)</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
+      <value>100e3</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(389, 15)</value>
+      <value>(358, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -173,50 +161,18 @@
     </param>
   </block>
   <block>
-    <key>variable_slider</key>
+    <key>variable</key>
     <param>
       <key>id</key>
-      <value>snr_db</value>
+      <value>block</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>SNR (dB)</value>
-    </param>
-    <param>
       <key>value</key>
-      <value>5</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>-10</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>num_steps</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
-    </param>
-    <param>
-      <key>converver</key>
-      <value>float_converter</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value></value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
+      <value>1000</value>
     </param>
     <param>
       <key>alias</key>
@@ -224,7 +180,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(229, 13)</value>
+      <value>(593, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -232,10 +188,10 @@
     </param>
   </block>
   <block>
-    <key>blocks_multiply_xx</key>
+    <key>analog_random_source_x</key>
     <param>
       <key>id</key>
-      <value>blocks_multiply_xx_2_0</value>
+      <value>analog_random_source_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -246,16 +202,20 @@
       <value>short</value>
     </param>
     <param>
-      <key>num_inputs</key>
+      <key>min</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>max</key>
       <value>2</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>num_samps</key>
+      <value>1000</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>repeat</key>
+      <value>True</value>
     </param>
     <param>
       <key>affinity</key>
@@ -271,7 +231,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(392, 591)</value>
+      <value>(21, 170)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -279,26 +239,30 @@
     </param>
   </block>
   <block>
-    <key>blocks_short_to_float</key>
+    <key>blocks_throttle</key>
     <param>
       <key>id</key>
-      <value>blocks_short_to_float_1_0</value>
+      <value>blocks_throttle_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>type</key>
+      <value>short</value>
     </param>
     <param>
-      <key>scale</key>
+      <key>samples_per_second</key>
+      <value>R</value>
+    </param>
+    <param>
+      <key>vlen</key>
       <value>1</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>ignoretag</key>
+      <value>True</value>
     </param>
     <param>
       <key>affinity</key>
@@ -314,7 +278,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(535, 609)</value>
+      <value>(559, 104)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -322,82 +286,46 @@
     </param>
   </block>
   <block>
-    <key>wxgui_scopesink2</key>
+    <key>analog_noise_source_x</key>
     <param>
       <key>id</key>
-      <value>wxgui_scopesink2_0</value>
+      <value>analog_noise_source_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>Scope Plot</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>R</value>
-    </param>
-    <param>
-      <key>v_scale</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>v_offset</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>t_scale</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ac_couple</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>xy_mode</key>
-      <value>False</value>
+      <value>True</value>
     </param>
     <param>
-      <key>num_inputs</key>
+      <key>vlen</key>
       <value>1</value>
     </param>
     <param>
-      <key>win_size</key>
-      <value></value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value></value>
+      <key>noise_type</key>
+      <value>analog.GR_GAUSSIAN</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>amp</key>
+      <value>noisevar</value>
     </param>
     <param>
-      <key>trig_mode</key>
-      <value>wxgui.TRIG_MODE_AUTO</value>
+      <key>seed</key>
+      <value>-42</value>
     </param>
     <param>
-      <key>y_axis_label</key>
-      <value>Counts</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(952, 73)</value>
+      <value>(559, 260)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -405,10 +333,10 @@
     </param>
   </block>
   <block>
-    <key>analog_random_source_x</key>
+    <key>blocks_add_xx</key>
     <param>
       <key>id</key>
-      <value>analog_random_source_x_0</value>
+      <value>blocks_add_xx_1</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -416,27 +344,15 @@
     </param>
     <param>
       <key>type</key>
-      <value>short</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>0</value>
+      <value>float</value>
     </param>
     <param>
-      <key>max</key>
+      <key>num_inputs</key>
       <value>2</value>
     </param>
     <param>
-      <key>num_samps</key>
-      <value>1000</value>
-    </param>
-    <param>
-      <key>repeat</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
       <key>affinity</key>
@@ -452,7 +368,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(21, 170)</value>
+      <value>(816, 192)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -482,10 +398,6 @@
       <value>2</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -499,7 +411,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(217, 597)</value>
+      <value>(234, 536)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -507,10 +419,10 @@
     </param>
   </block>
   <block>
-    <key>analog_noise_source_x</key>
+    <key>blocks_multiply_xx</key>
     <param>
       <key>id</key>
-      <value>analog_noise_source_x_0</value>
+      <value>blocks_multiply_xx_2_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -518,23 +430,15 @@
     </param>
     <param>
       <key>type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>noise_type</key>
-      <value>analog.GR_GAUSSIAN</value>
-    </param>
-    <param>
-      <key>amp</key>
-      <value>noisevar</value>
+      <value>short</value>
     </param>
     <param>
-      <key>seed</key>
-      <value>-42</value>
+      <key>num_inputs</key>
+      <value>2</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
       <key>affinity</key>
@@ -549,8 +453,16 @@
       <value>0</value>
     </param>
     <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(584, 259)</value>
+      <value>(409, 530)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -558,30 +470,34 @@
     </param>
   </block>
   <block>
-    <key>blocks_throttle</key>
+    <key>blocks_short_to_float</key>
     <param>
       <key>id</key>
-      <value>blocks_throttle_0</value>
+      <value>blocks_short_to_float_1_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>short</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>samples_per_second</key>
-      <value>R</value>
+      <key>scale</key>
+      <value>1</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>ignoretag</key>
-      <value>True</value>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>alias</key>
@@ -601,7 +517,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(517, 103)</value>
+      <value>(552, 548)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -609,40 +525,44 @@
     </param>
   </block>
   <block>
-    <key>digital_chunks_to_symbols_xx</key>
+    <key>blocks_sub_xx</key>
     <param>
       <key>id</key>
-      <value>digital_chunks_to_symbols_xx_0</value>
+      <value>blocks_sub_xx_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>in_type</key>
+      <key>type</key>
       <value>short</value>
     </param>
     <param>
-      <key>out_type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>symbol_table</key>
-      <value>-7,0,-5,0,-3,0,-1,0,1,0,3,0,5,0,7,0,-7,0,-5,0,-3,0,-1,0,1,0,3,0,5,0,7</value>
+      <key>o_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
     </param>
     <param>
-      <key>dimension</key>
+      <key>num_inputs</key>
       <value>2</value>
     </param>
     <param>
-      <key>num_ports</key>
-      <value>1</value>
+      <key>i_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -656,7 +576,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(559, 180)</value>
+      <value>(234, 154)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -664,10 +584,10 @@
     </param>
   </block>
   <block>
-    <key>blocks_add_xx</key>
+    <key>qtgui_number_sink</key>
     <param>
       <key>id</key>
-      <value>blocks_add_xx_1</value>
+      <value>qtgui_number_sink_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -678,95 +598,127 @@
       <value>float</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>2</value>
+      <key>autoscale</key>
+      <value>True</value>
     </param>
     <param>
-      <key>vlen</key>
+      <key>avg</key>
+      <value>0.001</value>
+    </param>
+    <param>
+      <key>graph_type</key>
+      <value>qtgui.NUM_GRAPH_HORIZ</value>
+    </param>
+    <param>
+      <key>nconnections</key>
       <value>1</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>min</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>digital_chunks_to_symbols_xx</key>
+    <param>
+      <key>max</key>
+      <value>1</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>update_time</key>
+      <value>0.1</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>1,0,1,1</value>
+    </param>
+    <param>
+      <key>label1</key>
+      <value>BER</value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label2</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>color2</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>label3</key>
+      <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(951, 256)</value>
+      <key>color3</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>label4</key>
+      <value></value>
     </param>
-  </block>
-  <block>
-    <key>trellis_pccc_encoder_xx</key>
     <param>
-      <key>id</key>
-      <value>trellis_pccc_encoder_xx_0</value>
+      <key>color4</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label5</key>
+      <value></value>
     </param>
     <param>
-      <key>type</key>
-      <value>ss</value>
+      <key>color5</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>o_fsm_args</key>
-      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
+      <key>label6</key>
+      <value></value>
     </param>
     <param>
-      <key>o_init_state</key>
-      <value>0</value>
+      <key>color6</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>i_fsm_args</key>
-      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
+      <key>label7</key>
+      <value></value>
     </param>
     <param>
-      <key>i_init_state</key>
-      <value>0</value>
+      <key>color7</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>interleaver_args</key>
-      <value>trellis.interleaver(block,666)</value>
+      <key>label8</key>
+      <value></value>
     </param>
     <param>
-      <key>bl</key>
-      <value>block</value>
+      <key>color8</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>label9</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>color9</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>color10</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(236, 147)</value>
+      <value>(795, 532)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -774,50 +726,58 @@
     </param>
   </block>
   <block>
-    <key>wxgui_numbersink2</key>
+    <key>variable_qtgui_range</key>
     <param>
       <key>id</key>
-      <value>wxgui_numbersink2_3_0</value>
+      <value>snr_db</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>label</key>
+      <value>SNR (dB)</value>
     </param>
     <param>
-      <key>title</key>
-      <value>BER</value>
+      <key>value</key>
+      <value>5</value>
     </param>
     <param>
-      <key>units</key>
-      <value>BER</value>
+      <key>start</key>
+      <value>-10</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>R</value>
+      <key>stop</key>
+      <value>10</value>
     </param>
     <param>
-      <key>min_value</key>
-      <value>0</value>
+      <key>step</key>
+      <value>0.01</value>
     </param>
     <param>
-      <key>max_value</key>
-      <value>1.0</value>
+      <key>widget</key>
+      <value>counter_slider</value>
     </param>
     <param>
-      <key>factor</key>
-      <value>1.0</value>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
     </param>
     <param>
-      <key>decimal_places</key>
-      <value>6</value>
+      <key>min_len</key>
+      <value>200</value>
     </param>
     <param>
-      <key>ref_level</key>
-      <value>0</value>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(177, 10)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
     </param>
     <param>
       <key>number_rate</key>
@@ -840,8 +800,8 @@
       <value>True</value>
     </param>
     <param>
-      <key>win_size</key>
-      <value></value>
+      <key>symbol_table</key>
+      <value>-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7,0,   0,-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7,0</value>
     </param>
     <param>
       <key>grid_pos</key>
@@ -860,6 +820,18 @@
       <value></value>
     </param>
     <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
       <key>_coordinate</key>
       <value>(719, 462)</value>
     </param>
@@ -928,7 +900,7 @@
     </param>
     <param>
       <key>table</key>
-      <value>-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7,0,   0,-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7</value>
+      <value>-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7,0,   0,-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7,0</value>
     </param>
     <param>
       <key>metric_type</key>
@@ -943,10 +915,6 @@
       <value>1.0</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -960,7 +928,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(309, 307)</value>
+      <value>(235, 279)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -969,55 +937,49 @@
   </block>
   <connection>
     <source_block_id>analog_random_source_x_0</source_block_id>
-    <sink_block_id>blocks_sub_xx_0</sink_block_id>
+    <sink_block_id>trellis_pccc_encoder_xx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
     <source_block_id>blocks_add_xx_1</source_block_id>
-    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+    <sink_block_id>trellis_pccc_decoder_combined_xx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_multiply_xx_2_0</source_block_id>
-    <sink_block_id>blocks_short_to_float_1_0</sink_block_id>
+    <source_block_id>analog_noise_source_x_0</source_block_id>
+    <sink_block_id>blocks_add_xx_1</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>0</sink_key>
+    <sink_key>1</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_short_to_float_1_0</source_block_id>
-    <sink_block_id>wxgui_numbersink2_3_0</sink_block_id>
+    <source_block_id>digital_chunks_to_symbols_xx_0</source_block_id>
+    <sink_block_id>blocks_add_xx_1</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_sub_xx_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
+    <source_block_id>blocks_throttle_0</source_block_id>
+    <sink_block_id>digital_chunks_to_symbols_xx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_sub_xx_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>1</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>analog_random_source_x_0</source_block_id>
-    <sink_block_id>trellis_pccc_encoder_xx_0</sink_block_id>
+    <source_block_id>trellis_pccc_encoder_xx_0</source_block_id>
+    <sink_block_id>blocks_throttle_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>trellis_pccc_encoder_xx_0</source_block_id>
-    <sink_block_id>blocks_throttle_0</sink_block_id>
+    <source_block_id>analog_random_source_x_0</source_block_id>
+    <sink_block_id>blocks_sub_xx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_add_xx_1</source_block_id>
-    <sink_block_id>trellis_pccc_decoder_combined_xx_0</sink_block_id>
+    <source_block_id>blocks_short_to_float_1_0</source_block_id>
+    <sink_block_id>qtgui_number_sink_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
@@ -1028,20 +990,20 @@
     <sink_key>1</sink_key>
   </connection>
   <connection>
-    <source_block_id>analog_noise_source_x_0</source_block_id>
-    <sink_block_id>blocks_add_xx_1</sink_block_id>
+    <source_block_id>blocks_sub_xx_0</source_block_id>
+    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>1</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_throttle_0</source_block_id>
-    <sink_block_id>digital_chunks_to_symbols_xx_0</sink_block_id>
+    <source_block_id>blocks_sub_xx_0</source_block_id>
+    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>digital_chunks_to_symbols_xx_0</source_block_id>
-    <sink_block_id>blocks_add_xx_1</sink_block_id>
+    <source_block_id>blocks_multiply_xx_2_0</source_block_id>
+    <sink_block_id>blocks_short_to_float_1_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
diff --git a/gr-trellis/examples/grc/pccc1.grc b/gr-trellis/examples/grc/pccc1.grc
index c6c6773904..8aaa28a1be 100644
--- a/gr-trellis/examples/grc/pccc1.grc
+++ b/gr-trellis/examples/grc/pccc1.grc
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='ASCII'?>
 <flow_graph>
-  <timestamp>Sat Nov 10 15:36:08 2012</timestamp>
+  <timestamp>Thu Jul 17 14:55:59 2014</timestamp>
   <block>
     <key>options</key>
     <param>
@@ -13,7 +13,7 @@
     </param>
     <param>
       <key>title</key>
-      <value>Serially Concatenated Convolutional Code</value>
+      <value>Parallel Concatenated Convolutional Code</value>
     </param>
     <param>
       <key>author</key>
@@ -29,7 +29,7 @@
     </param>
     <param>
       <key>generate_options</key>
-      <value>wx_gui</value>
+      <value>qt_gui</value>
     </param>
     <param>
       <key>category</key>
@@ -64,6 +64,29 @@
     <key>variable</key>
     <param>
       <key>id</key>
+      <value>block</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>1000</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(593, 10)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
       <value>noisevar</value>
     </param>
     <param>
@@ -76,7 +99,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(389, 15)</value>
+      <value>(279, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -95,11 +118,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>"/n/harrisville/x/anastas/gnuradio_trunk/"</value>
+      <value>GNURADIO_SRC_DIR</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(590, 15)</value>
+      <value>(434, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -110,7 +133,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>block</value>
+      <value>GNURADIO_SRC_DIR</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -118,11 +141,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>1000</value>
+      <value>"/home/jank/src/gnuradio/"</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(764, 16)</value>
+      <value>(656, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -130,54 +153,73 @@
     </param>
   </block>
   <block>
-    <key>variable_slider</key>
+    <key>variable</key>
     <param>
       <key>id</key>
-      <value>snr_db</value>
+      <value>R</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>SNR (dB)</value>
+      <key>value</key>
+      <value>100e3</value>
     </param>
     <param>
-      <key>value</key>
-      <value>5</value>
+      <key>_coordinate</key>
+      <value>(358, 10)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>analog_random_source_x</key>
+    <param>
+      <key>id</key>
+      <value>analog_random_source_x_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>short</value>
     </param>
     <param>
       <key>min</key>
-      <value>-10</value>
+      <value>0</value>
     </param>
     <param>
       <key>max</key>
-      <value>10</value>
+      <value>2</value>
     </param>
     <param>
-      <key>num_steps</key>
-      <value>100</value>
+      <key>num_samps</key>
+      <value>1000</value>
     </param>
     <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
+      <key>repeat</key>
+      <value>True</value>
     </param>
     <param>
-      <key>converver</key>
-      <value>float_converter</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value></value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(229, 13)</value>
+      <value>(21, 170)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -185,10 +227,10 @@
     </param>
   </block>
   <block>
-    <key>blocks_multiply_xx</key>
+    <key>analog_noise_source_x</key>
     <param>
       <key>id</key>
-      <value>blocks_multiply_xx_2_0</value>
+      <value>analog_noise_source_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -196,19 +238,35 @@
     </param>
     <param>
       <key>type</key>
-      <value>short</value>
+      <value>float</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>2</value>
+      <key>noise_type</key>
+      <value>analog.GR_GAUSSIAN</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>amp</key>
+      <value>noisevar</value>
+    </param>
+    <param>
+      <key>seed</key>
+      <value>-42</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(392, 591)</value>
+      <value>(551, 244)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -216,26 +274,46 @@
     </param>
   </block>
   <block>
-    <key>blocks_short_to_float</key>
+    <key>blocks_throttle</key>
     <param>
       <key>id</key>
-      <value>blocks_short_to_float_1_0</value>
+      <value>blocks_throttle_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
+      <key>type</key>
+      <value>short</value>
+    </param>
+    <param>
+      <key>samples_per_second</key>
+      <value>R</value>
+    </param>
+    <param>
       <key>vlen</key>
       <value>1</value>
     </param>
     <param>
-      <key>scale</key>
-      <value>1</value>
+      <key>ignoretag</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(535, 609)</value>
+      <value>(553, 103)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -243,10 +321,10 @@
     </param>
   </block>
   <block>
-    <key>wxgui_numbersink2</key>
+    <key>qtgui_number_sink</key>
     <param>
       <key>id</key>
-      <value>wxgui_numbersink2_3_0</value>
+      <value>qtgui_number_sink_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -257,147 +335,163 @@
       <value>float</value>
     </param>
     <param>
-      <key>title</key>
-      <value>BER</value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>units</key>
-      <value>BER</value>
+      <key>avg</key>
+      <value>0.001</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>R</value>
+      <key>graph_type</key>
+      <value>qtgui.NUM_GRAPH_HORIZ</value>
+    </param>
+    <param>
+      <key>nconnections</key>
+      <value>1</value>
     </param>
     <param>
-      <key>min_value</key>
+      <key>min</key>
       <value>0</value>
     </param>
     <param>
-      <key>max_value</key>
-      <value>1.0</value>
+      <key>max</key>
+      <value>1</value>
     </param>
     <param>
-      <key>factor</key>
-      <value>1.0</value>
+      <key>update_time</key>
+      <value>0.10</value>
     </param>
     <param>
-      <key>decimal_places</key>
-      <value>6</value>
+      <key>gui_hint</key>
+      <value>1,0,1,1</value>
     </param>
     <param>
-      <key>ref_level</key>
-      <value>0</value>
+      <key>label1</key>
+      <value></value>
     </param>
     <param>
-      <key>number_rate</key>
-      <value>15</value>
+      <key>color1</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>peak_hold</key>
-      <value>False</value>
+      <key>label2</key>
+      <value></value>
     </param>
     <param>
-      <key>average</key>
-      <value>True</value>
+      <key>color2</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>avg_alpha</key>
-      <value>0.001</value>
+      <key>label3</key>
+      <value></value>
     </param>
     <param>
-      <key>show_gauge</key>
-      <value>True</value>
+      <key>color3</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>win_size</key>
+      <key>label4</key>
       <value></value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value>1,0,1,1</value>
+      <key>color4</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>notebook</key>
+      <key>label5</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(713, 426)</value>
+      <key>color5</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>label6</key>
+      <value></value>
     </param>
-  </block>
-  <block>
-    <key>wxgui_scopesink2</key>
     <param>
-      <key>id</key>
-      <value>wxgui_scopesink2_0</value>
+      <key>color6</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>False</value>
+      <key>label7</key>
+      <value></value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>color7</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>title</key>
-      <value>Scope Plot</value>
+      <key>label8</key>
+      <value></value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>R</value>
+      <key>color8</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>v_scale</key>
-      <value>0</value>
+      <key>label9</key>
+      <value></value>
     </param>
     <param>
-      <key>v_offset</key>
-      <value>0</value>
+      <key>color9</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>t_scale</key>
-      <value>0</value>
+      <key>label10</key>
+      <value></value>
     </param>
     <param>
-      <key>ac_couple</key>
-      <value>False</value>
+      <key>color10</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>xy_mode</key>
-      <value>False</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>1</value>
+      <key>_coordinate</key>
+      <value>(632, 509)</value>
     </param>
     <param>
-      <key>win_size</key>
-      <value></value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_short_to_float</key>
     <param>
-      <key>grid_pos</key>
-      <value></value>
+      <key>id</key>
+      <value>blocks_short_to_float_1_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>scale</key>
+      <value>1</value>
     </param>
     <param>
-      <key>notebook</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>trig_mode</key>
-      <value>wxgui.TRIG_MODE_AUTO</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>y_axis_label</key>
-      <value>Counts</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(952, 73)</value>
+      <value>(375, 525)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -405,10 +499,10 @@
     </param>
   </block>
   <block>
-    <key>analog_random_source_x</key>
+    <key>blocks_multiply_xx</key>
     <param>
       <key>id</key>
-      <value>analog_random_source_x_0</value>
+      <value>blocks_multiply_xx_2_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -419,24 +513,28 @@
       <value>short</value>
     </param>
     <param>
-      <key>min</key>
-      <value>0</value>
+      <key>num_inputs</key>
+      <value>2</value>
     </param>
     <param>
-      <key>max</key>
-      <value>2</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>num_samps</key>
-      <value>1000</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>repeat</key>
-      <value>True</value>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(21, 170)</value>
+      <value>(232, 507)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -466,8 +564,20 @@
       <value>2</value>
     </param>
     <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(217, 597)</value>
+      <value>(57, 513)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -475,10 +585,10 @@
     </param>
   </block>
   <block>
-    <key>trellis_pccc_encoder_xx</key>
+    <key>blocks_add_xx</key>
     <param>
       <key>id</key>
-      <value>trellis_pccc_encoder_xx_0</value>
+      <value>blocks_add_xx_1</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -486,35 +596,31 @@
     </param>
     <param>
       <key>type</key>
-      <value>ss</value>
+      <value>float</value>
     </param>
     <param>
-      <key>o_fsm_args</key>
-      <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_4.fsm"</value>
+      <key>num_inputs</key>
+      <value>2</value>
     </param>
     <param>
-      <key>o_init_state</key>
-      <value>0</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>i_fsm_args</key>
-      <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_4.fsm"</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>i_init_state</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>interleaver_args</key>
-      <value>trellis.interleaver(block,666)</value>
-    </param>
-    <param>
-      <key>bl</key>
-      <value>block</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(236, 147)</value>
+      <value>(839, 190)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -522,62 +628,58 @@
     </param>
   </block>
   <block>
-    <key>trellis_pccc_decoder_x</key>
+    <key>trellis_pccc_encoder_xx</key>
     <param>
       <key>id</key>
-      <value>trellis_pccc_decoder_x_0</value>
+      <value>trellis_pccc_encoder_xx_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>out_type</key>
-      <value>s</value>
+      <key>type</key>
+      <value>ss</value>
     </param>
     <param>
       <key>o_fsm_args</key>
-      <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_4.fsm"</value>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
     </param>
     <param>
       <key>o_init_state</key>
       <value>0</value>
     </param>
     <param>
-      <key>o_final_state</key>
-      <value>-1</value>
-    </param>
-    <param>
       <key>i_fsm_args</key>
-      <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_4.fsm"</value>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
     </param>
     <param>
       <key>i_init_state</key>
       <value>0</value>
     </param>
     <param>
-      <key>i_final_state</key>
-      <value>-1</value>
-    </param>
-    <param>
-      <key>interleaver</key>
+      <key>interleaver_args</key>
       <value>trellis.interleaver(block,666)</value>
     </param>
     <param>
-      <key>block_size</key>
+      <key>bl</key>
       <value>block</value>
     </param>
     <param>
-      <key>iterations</key>
-      <value>10</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>siso_type</key>
-      <value>trellis.TRELLIS_MIN_SUM</value>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(357, 304)</value>
+      <value>(235, 154)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -585,38 +687,50 @@
     </param>
   </block>
   <block>
-    <key>trellis_metrics_x</key>
+    <key>digital_chunks_to_symbols_xx</key>
     <param>
       <key>id</key>
-      <value>trellis_metrics_x_0</value>
+      <value>digital_chunks_to_symbols_xx_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>f</value>
+      <key>in_type</key>
+      <value>short</value>
     </param>
     <param>
-      <key>card</key>
-      <value>16</value>
+      <key>out_type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>dim</key>
+      <key>symbol_table</key>
+      <value>-7,0,-5,0,-3,0,-1,0,1,0,3,0,5,0,7,0,-7,0,-5,0,-3,0,-1,0,1,0,3,0,5,0,7,0</value>
+    </param>
+    <param>
+      <key>dimension</key>
       <value>2</value>
     </param>
     <param>
-      <key>table</key>
-      <value>-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7,0,   0,-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7</value>
+      <key>num_ports</key>
+      <value>1</value>
     </param>
     <param>
-      <key>metric_type</key>
-      <value>digital.TRELLIS_EUCLIDEAN</value>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(58, 354)</value>
+      <value>(552, 178)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -624,84 +738,74 @@
     </param>
   </block>
   <block>
-    <key>variable</key>
+    <key>trellis_pccc_decoder_x</key>
     <param>
       <key>id</key>
-      <value>R</value>
+      <value>trellis_pccc_decoder_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>100e3</value>
+      <key>out_type</key>
+      <value>s</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(482, 17)</value>
+      <key>o_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>o_init_state</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_throttle</key>
-    <param>
-      <key>id</key>
-      <value>blocks_throttle_0</value>
-    </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>o_final_state</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>type</key>
-      <value>short</value>
+      <key>i_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
     </param>
     <param>
-      <key>samples_per_second</key>
-      <value>R</value>
+      <key>i_init_state</key>
+      <value>0</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>i_final_state</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(517, 103)</value>
+      <key>interleaver</key>
+      <value>trellis.interleaver(block,666)</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>block_size</key>
+      <value>block</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_add_xx</key>
     <param>
-      <key>id</key>
-      <value>blocks_add_xx_1</value>
+      <key>iterations</key>
+      <value>10</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>siso_type</key>
+      <value>trellis.TRELLIS_MIN_SUM</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>2</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(951, 256)</value>
+      <value>(359, 322)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -709,38 +813,50 @@
     </param>
   </block>
   <block>
-    <key>digital_chunks_to_symbols_xx</key>
+    <key>trellis_metrics_x</key>
     <param>
       <key>id</key>
-      <value>digital_chunks_to_symbols_xx_0</value>
+      <value>trellis_metrics_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>in_type</key>
-      <value>short</value>
+      <key>type</key>
+      <value>f</value>
     </param>
     <param>
-      <key>out_type</key>
-      <value>float</value>
+      <key>card</key>
+      <value>16</value>
     </param>
     <param>
-      <key>symbol_table</key>
-      <value>-7,0,-5,0,-3,0,-1,0,1,0,3,0,5,0,7,0,-7,0,-5,0,-3,0,-1,0,1,0,3,0,5,0,7</value>
+      <key>dim</key>
+      <value>2</value>
     </param>
     <param>
-      <key>dimension</key>
-      <value>2</value>
+      <key>table</key>
+      <value>-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7,0,   0,-7,0, -5,0, -3,0, -1,0, 1,0, 3,0, 5,0, 7,0</value>
     </param>
     <param>
-      <key>num_ports</key>
-      <value>1</value>
+      <key>metric_type</key>
+      <value>digital.TRELLIS_EUCLIDEAN</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(552, 178)</value>
+      <value>(56, 370)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -748,38 +864,58 @@
     </param>
   </block>
   <block>
-    <key>analog_noise_source_x</key>
+    <key>variable_qtgui_range</key>
     <param>
       <key>id</key>
-      <value>analog_noise_source_x_0</value>
+      <value>snr_db</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>label</key>
+      <value>SNR (dB)</value>
     </param>
     <param>
-      <key>noise_type</key>
-      <value>analog.GR_GAUSSIAN</value>
+      <key>value</key>
+      <value>5</value>
     </param>
     <param>
-      <key>amp</key>
-      <value>noisevar</value>
+      <key>start</key>
+      <value>-10</value>
     </param>
     <param>
-      <key>seed</key>
-      <value>-42</value>
+      <key>stop</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>0.01</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter_slider</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>min_len</key>
+      <value>200</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(622, 257)</value>
+      <value>(177, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>0</value>
+      <value>180</value>
     </param>
   </block>
   <connection>
@@ -790,36 +926,6 @@
   </connection>
   <connection>
     <source_block_id>blocks_add_xx_1</source_block_id>
-    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_multiply_xx_2_0</source_block_id>
-    <sink_block_id>blocks_short_to_float_1_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_short_to_float_1_0</source_block_id>
-    <sink_block_id>wxgui_numbersink2_3_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_sub_xx_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_sub_xx_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>1</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_add_xx_1</source_block_id>
     <sink_block_id>trellis_metrics_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
@@ -866,4 +972,28 @@
     <source_key>0</source_key>
     <sink_key>1</sink_key>
   </connection>
+  <connection>
+    <source_block_id>blocks_short_to_float_1_0</source_block_id>
+    <sink_block_id>qtgui_number_sink_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>blocks_sub_xx_0</source_block_id>
+    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>1</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>blocks_sub_xx_0</source_block_id>
+    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>blocks_multiply_xx_2_0</source_block_id>
+    <sink_block_id>blocks_short_to_float_1_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
 </flow_graph>
diff --git a/gr-trellis/examples/grc/sccc.grc b/gr-trellis/examples/grc/sccc.grc
index 962f37a87c..44d8f263cb 100644
--- a/gr-trellis/examples/grc/sccc.grc
+++ b/gr-trellis/examples/grc/sccc.grc
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='ASCII'?>
 <flow_graph>
-  <timestamp>Sat Jul 12 17:38:15 2014</timestamp>
+  <timestamp>Thu Jul 17 14:56:16 2014</timestamp>
   <block>
     <key>options</key>
     <param>
@@ -29,7 +29,7 @@
     </param>
     <param>
       <key>generate_options</key>
-      <value>wx_gui</value>
+      <value>qt_gui</value>
     </param>
     <param>
       <key>category</key>
@@ -68,7 +68,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>prefix</value>
+      <value>block</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -76,15 +76,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>"/home/mbant/src/gnuradio/"</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
+      <value>1000</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(572, 9)</value>
+      <value>(593, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -95,7 +91,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>R</value>
+      <value>noisevar</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -103,15 +99,18 @@
     </param>
     <param>
       <key>value</key>
-      <value>10e3</value>
+      <value>10**(-snr_db/10)</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>_coordinate</key>
+      <value>(279, 10)</value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
     <param>
-      <key>_coordinate</key>
-      <value>(482, 17)</value>
+      <key>id</key>
+      <value>block</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -122,7 +121,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>block</value>
+      <value>prefix</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -130,15 +129,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>1000</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
+      <value>GNURADIO_SRC_DIR</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(764, 16)</value>
+      <value>(434, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -149,7 +144,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>noisevar</value>
+      <value>GNURADIO_SRC_DIR</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -157,15 +152,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>10**(-snr_db/10)</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
+      <value>"/home/jank/src/gnuradio/"</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(389, 15)</value>
+      <value>(656, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -176,27 +167,15 @@
     <key>analog_random_source_x</key>
     <param>
       <key>id</key>
-      <value>analog_random_source_x_0</value>
+      <value>R</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>short</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>num_samps</key>
-      <value>1000</value>
+      <key>value</key>
+      <value>100e3</value>
     </param>
     <param>
       <key>repeat</key>
@@ -220,7 +199,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(21, 170)</value>
+      <value>(358, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -228,10 +207,10 @@
     </param>
   </block>
   <block>
-    <key>blocks_sub_xx</key>
+    <key>analog_random_source_x</key>
     <param>
       <key>id</key>
-      <value>blocks_sub_xx_0</value>
+      <value>analog_random_source_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -242,16 +221,20 @@
       <value>short</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>min</key>
+      <value>0</value>
     </param>
     <param>
-      <key>num_inputs</key>
+      <key>max</key>
       <value>2</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>num_samps</key>
+      <value>1000</value>
+    </param>
+    <param>
+      <key>repeat</key>
+      <value>True</value>
     </param>
     <param>
       <key>affinity</key>
@@ -267,7 +250,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(445, 517)</value>
+      <value>(21, 170)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -275,10 +258,10 @@
     </param>
   </block>
   <block>
-    <key>blocks_multiply_xx</key>
+    <key>blocks_add_xx</key>
     <param>
       <key>id</key>
-      <value>blocks_multiply_xx_2_0</value>
+      <value>blocks_add_xx_1</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -286,7 +269,7 @@
     </param>
     <param>
       <key>type</key>
-      <value>short</value>
+      <value>complex</value>
     </param>
     <param>
       <key>num_inputs</key>
@@ -297,6 +280,18 @@
       <value>1</value>
     </param>
     <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
       <key>alias</key>
       <value></value>
     </param>
@@ -314,7 +309,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(228.25, 798.39170361874085)</value>
+      <value>(951, 256)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -322,26 +317,30 @@
     </param>
   </block>
   <block>
-    <key>blocks_short_to_float</key>
+    <key>analog_noise_source_x</key>
     <param>
       <key>id</key>
-      <value>blocks_short_to_float_1_0</value>
+      <value>analog_noise_source_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>scale</key>
-      <value>1</value>
+      <key>noise_type</key>
+      <value>analog.GR_GAUSSIAN</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>amp</key>
+      <value>noisevar</value>
+    </param>
+    <param>
+      <key>seed</key>
+      <value>-42</value>
     </param>
     <param>
       <key>affinity</key>
@@ -357,7 +356,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(416, 815)</value>
+      <value>(549, 250)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -365,58 +364,46 @@
     </param>
   </block>
   <block>
-    <key>variable_slider</key>
+    <key>blocks_throttle</key>
     <param>
       <key>id</key>
-      <value>snr_db</value>
+      <value>blocks_throttle_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>SNR (dB)</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>5</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>-10</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>10</value>
+      <key>type</key>
+      <value>short</value>
     </param>
     <param>
-      <key>num_steps</key>
-      <value>100</value>
+      <key>samples_per_second</key>
+      <value>R</value>
     </param>
     <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>converver</key>
-      <value>float_converter</value>
+      <key>ignoretag</key>
+      <value>True</value>
     </param>
     <param>
-      <key>grid_pos</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(229, 13)</value>
+      <value>(551, 116)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -424,82 +411,85 @@
     </param>
   </block>
   <block>
-    <key>wxgui_scopesink2</key>
+    <key>blocks_sub_xx</key>
     <param>
       <key>id</key>
-      <value>wxgui_scopesink2_0</value>
+      <value>blocks_sub_xx_0</value>
     </param>
     <param>
       <key>_enabled</key>
-      <value>False</value>
+      <value>True</value>
     </param>
     <param>
       <key>type</key>
-      <value>complex</value>
+      <value>short</value>
     </param>
     <param>
-      <key>title</key>
-      <value>Scope Plot</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>R</value>
+      <key>num_inputs</key>
+      <value>2</value>
     </param>
     <param>
-      <key>v_scale</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>v_offset</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>t_scale</key>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>ac_couple</key>
-      <value>False</value>
+      <key>_coordinate</key>
+      <value>(239, 548)</value>
     </param>
     <param>
-      <key>xy_mode</key>
-      <value>True</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_multiply_xx</key>
     <param>
-      <key>num_inputs</key>
-      <value>1</value>
+      <key>id</key>
+      <value>blocks_multiply_xx_2_0</value>
     </param>
     <param>
-      <key>win_size</key>
-      <value></value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value></value>
+      <key>type</key>
+      <value>short</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>num_inputs</key>
+      <value>2</value>
     </param>
     <param>
-      <key>trig_mode</key>
-      <value>wxgui.TRIG_MODE_AUTO</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>y_axis_label</key>
-      <value>Counts</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(952, 73)</value>
+      <value>(418, 551)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -507,82 +497,85 @@
     </param>
   </block>
   <block>
-    <key>wxgui_numbersink2</key>
+    <key>blocks_short_to_float</key>
     <param>
       <key>id</key>
-      <value>wxgui_numbersink2_3_0</value>
+      <value>blocks_short_to_float_1_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>title</key>
-      <value>BER</value>
+      <key>scale</key>
+      <value>1</value>
     </param>
     <param>
-      <key>units</key>
-      <value>BER</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>R</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>min_value</key>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>max_value</key>
-      <value>1.0</value>
+      <key>_coordinate</key>
+      <value>(605, 564)</value>
     </param>
     <param>
-      <key>factor</key>
-      <value>1.0</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>digital_chunks_to_symbols_xx</key>
     <param>
-      <key>decimal_places</key>
-      <value>6</value>
+      <key>id</key>
+      <value>digital_chunks_to_symbols_xx_0</value>
     </param>
     <param>
-      <key>ref_level</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>number_rate</key>
-      <value>15</value>
+      <key>in_type</key>
+      <value>short</value>
     </param>
     <param>
-      <key>peak_hold</key>
-      <value>False</value>
+      <key>out_type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>average</key>
-      <value>True</value>
+      <key>symbol_table</key>
+      <value>1,0,1j,0,-1j,0,-1,0,1,0,1j,0,-1j,0,-1,0</value>
     </param>
     <param>
-      <key>avg_alpha</key>
-      <value>0.001</value>
+      <key>dimension</key>
+      <value>2</value>
     </param>
     <param>
-      <key>show_gauge</key>
-      <value>True</value>
+      <key>num_ports</key>
+      <value>1</value>
     </param>
     <param>
-      <key>win_size</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value>1,0,1,1</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>alias</key>
@@ -594,7 +587,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(688, 572)</value>
+      <value>(551, 181)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -620,8 +613,8 @@
       <value>R</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>o_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
     </param>
     <param>
       <key>ignoretag</key>
@@ -632,8 +625,8 @@
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>i_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn2o3_4.fsm"</value>
     </param>
     <param>
       <key>minoutbuf</key>
@@ -671,8 +664,8 @@
       <value>2</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>table</key>
+      <value>1,0,1j,0,-1j,0,-1,0,1,0,1j,0,-1j,0,-1,0</value>
     </param>
     <param>
       <key>alias</key>
@@ -691,8 +684,20 @@
       <value>0</value>
     </param>
     <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(951, 256)</value>
+      <value>(241, 287)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -700,105 +705,138 @@
     </param>
   </block>
   <block>
-    <key>digital_chunks_to_symbols_xx</key>
+    <key>qtgui_number_sink</key>
     <param>
       <key>id</key>
-      <value>digital_chunks_to_symbols_xx_0</value>
+      <value>qtgui_number_sink_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>in_type</key>
-      <value>short</value>
+      <key>type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>out_type</key>
-      <value>complex</value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>symbol_table</key>
-      <value>1,0,1j,0,-1j,0,-1,0,0,1,0,1j,0,-1j,0,01</value>
+      <key>avg</key>
+      <value>0.001</value>
     </param>
     <param>
-      <key>dimension</key>
-      <value>2</value>
+      <key>graph_type</key>
+      <value>qtgui.NUM_GRAPH_HORIZ</value>
     </param>
     <param>
-      <key>num_ports</key>
+      <key>nconnections</key>
       <value>1</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>min</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>max</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>1,0,1,1</value>
+    </param>
+    <param>
+      <key>label1</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>color1</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label2</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>color2</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>label3</key>
+      <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(551, 181)</value>
+      <key>color3</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>label4</key>
+      <value></value>
     </param>
-  </block>
-  <block>
-    <key>analog_noise_source_x</key>
     <param>
-      <key>id</key>
-      <value>analog_noise_source_x_0</value>
+      <key>color4</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label5</key>
+      <value></value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>color5</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>noise_type</key>
-      <value>analog.GR_GAUSSIAN</value>
+      <key>label6</key>
+      <value></value>
     </param>
     <param>
-      <key>amp</key>
-      <value>noisevar</value>
+      <key>color6</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>seed</key>
-      <value>-42</value>
+      <key>label7</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
+      <key>color7</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label8</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>color8</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label9</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>color9</key>
+      <value>("black", "black")</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>label10</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color10</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(651, 270)</value>
+      <value>(788, 548)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -806,10 +844,10 @@
     </param>
   </block>
   <block>
-    <key>trellis_sccc_decoder_combined_xx</key>
+    <key>trellis_sccc_encoder_xx</key>
     <param>
       <key>id</key>
-      <value>trellis_sccc_decoder_combined_xx_0</value>
+      <value>trellis_sccc_encoder_xx_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -817,11 +855,7 @@
     </param>
     <param>
       <key>type</key>
-      <value>c</value>
-    </param>
-    <param>
-      <key>out_type</key>
-      <value>s</value>
+      <value>ss</value>
     </param>
     <param>
       <key>o_fsm_args</key>
@@ -832,58 +866,22 @@
       <value>0</value>
     </param>
     <param>
-      <key>o_final_state</key>
-      <value>-1</value>
-    </param>
-    <param>
       <key>i_fsm_args</key>
-      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn2o3_4.fsm"</value>
     </param>
     <param>
       <key>i_init_state</key>
       <value>0</value>
     </param>
     <param>
-      <key>i_final_state</key>
-      <value>-1</value>
-    </param>
-    <param>
-      <key>interleaver</key>
+      <key>interleaver_args</key>
       <value>trellis.interleaver(block,666)</value>
     </param>
     <param>
-      <key>block_size</key>
+      <key>bl</key>
       <value>block</value>
     </param>
     <param>
-      <key>iterations</key>
-      <value>5</value>
-    </param>
-    <param>
-      <key>dim</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>table</key>
-      <value>1,0,1j,0,-1j,0,-1,0,   0,1,0,1j,0,-1j,0,-1</value>
-    </param>
-    <param>
-      <key>metric_type</key>
-      <value>digital.TRELLIS_EUCLIDEAN</value>
-    </param>
-    <param>
-      <key>siso_type</key>
-      <value>trellis.TRELLIS_SUM_PRODUCT</value>
-    </param>
-    <param>
-      <key>scaling</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -897,7 +895,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(388, 263)</value>
+      <value>(242, 154)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -905,66 +903,58 @@
     </param>
   </block>
   <block>
-    <key>trellis_sccc_encoder_xx</key>
+    <key>variable_qtgui_range</key>
     <param>
       <key>id</key>
-      <value>trellis_sccc_encoder_xx_0</value>
+      <value>snr_db</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>ss</value>
+      <key>label</key>
+      <value>SNR (dB)</value>
     </param>
     <param>
-      <key>o_fsm_args</key>
-      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
+      <key>value</key>
+      <value>5</value>
     </param>
     <param>
-      <key>o_init_state</key>
-      <value>0</value>
+      <key>start</key>
+      <value>-10</value>
     </param>
     <param>
-      <key>i_fsm_args</key>
-      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
+      <key>stop</key>
+      <value>10</value>
     </param>
     <param>
-      <key>i_init_state</key>
-      <value>0</value>
+      <key>step</key>
+      <value>0.01</value>
     </param>
     <param>
-      <key>interleaver_args</key>
-      <value>trellis.interleaver(block,666)</value>
+      <key>widget</key>
+      <value>counter_slider</value>
     </param>
     <param>
-      <key>bl</key>
-      <value>block</value>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>min_len</key>
+      <value>200</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>gui_hint</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
       <key>_coordinate</key>
-      <value>(207, 175)</value>
+      <value>(177, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>0</value>
+      <value>180</value>
     </param>
   </block>
   <connection>
@@ -974,12 +964,6 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_add_xx_1</source_block_id>
-    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
     <source_block_id>analog_random_source_x_0</source_block_id>
     <sink_block_id>trellis_sccc_encoder_xx_0</sink_block_id>
     <source_key>0</source_key>
@@ -1004,20 +988,20 @@
     <sink_key>1</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_multiply_xx_2_0</source_block_id>
-    <sink_block_id>blocks_short_to_float_1_0</sink_block_id>
+    <source_block_id>blocks_throttle_0</source_block_id>
+    <sink_block_id>digital_chunks_to_symbols_xx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_short_to_float_1_0</source_block_id>
-    <sink_block_id>wxgui_numbersink2_3_0</sink_block_id>
+    <source_block_id>analog_noise_source_x_0</source_block_id>
+    <sink_block_id>blocks_add_xx_1</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>0</sink_key>
+    <sink_key>1</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_sub_xx_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
+    <source_block_id>digital_chunks_to_symbols_xx_0</source_block_id>
+    <sink_block_id>blocks_add_xx_1</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
@@ -1028,20 +1012,20 @@
     <sink_key>1</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_throttle_0</source_block_id>
-    <sink_block_id>digital_chunks_to_symbols_xx_0</sink_block_id>
+    <source_block_id>blocks_sub_xx_0</source_block_id>
+    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>analog_noise_source_x_0</source_block_id>
-    <sink_block_id>blocks_add_xx_1</sink_block_id>
+    <source_block_id>blocks_multiply_xx_2_0</source_block_id>
+    <sink_block_id>blocks_short_to_float_1_0</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>1</sink_key>
+    <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>digital_chunks_to_symbols_xx_0</source_block_id>
-    <sink_block_id>blocks_add_xx_1</sink_block_id>
+    <source_block_id>blocks_short_to_float_1_0</source_block_id>
+    <sink_block_id>qtgui_number_sink_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
diff --git a/gr-trellis/examples/grc/sccc1.grc b/gr-trellis/examples/grc/sccc1.grc
index 4fdf81c811..2dbf581bc4 100644
--- a/gr-trellis/examples/grc/sccc1.grc
+++ b/gr-trellis/examples/grc/sccc1.grc
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='ASCII'?>
 <flow_graph>
-  <timestamp>Sat Nov 10 15:41:10 2012</timestamp>
+  <timestamp>Thu Jul 17 14:56:39 2014</timestamp>
   <block>
     <key>options</key>
     <param>
@@ -29,7 +29,7 @@
     </param>
     <param>
       <key>generate_options</key>
-      <value>wx_gui</value>
+      <value>qt_gui</value>
     </param>
     <param>
       <key>category</key>
@@ -64,7 +64,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>noisevar</value>
+      <value>block</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -72,11 +72,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>10**(-snr_db/10)</value>
+      <value>1000</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(389, 15)</value>
+      <value>(593, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -84,38 +84,22 @@
     </param>
   </block>
   <block>
-    <key>analog_random_source_x</key>
+    <key>variable</key>
     <param>
       <key>id</key>
-      <value>analog_random_source_x_0</value>
+      <value>noisevar</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>short</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>num_samps</key>
-      <value>1000</value>
-    </param>
-    <param>
-      <key>repeat</key>
-      <value>True</value>
+      <key>value</key>
+      <value>10**(-snr_db/10)</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(21, 170)</value>
+      <value>(279, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -134,11 +118,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>"/n/harrisville/x/anastas/gnuradio_trunk/"</value>
+      <value>GNURADIO_SRC_DIR</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(590, 15)</value>
+      <value>(434, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -149,7 +133,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>block</value>
+      <value>GNURADIO_SRC_DIR</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -157,11 +141,11 @@
     </param>
     <param>
       <key>value</key>
-      <value>1000</value>
+      <value>"/home/jank/src/gnuradio/"</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(764, 16)</value>
+      <value>(656, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -169,54 +153,22 @@
     </param>
   </block>
   <block>
-    <key>variable_slider</key>
+    <key>variable</key>
     <param>
       <key>id</key>
-      <value>snr_db</value>
+      <value>R</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>SNR (dB)</value>
-    </param>
-    <param>
       <key>value</key>
-      <value>5</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>-10</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>num_steps</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
-    </param>
-    <param>
-      <key>converver</key>
-      <value>float_converter</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value></value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
+      <value>100e3</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(229, 13)</value>
+      <value>(358, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -224,69 +176,50 @@
     </param>
   </block>
   <block>
-    <key>variable</key>
+    <key>analog_random_source_x</key>
     <param>
       <key>id</key>
-      <value>R</value>
+      <value>analog_random_source_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>10e3</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(482, 17)</value>
+      <key>type</key>
+      <value>short</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>min</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>trellis_sccc_encoder_xx</key>
     <param>
-      <key>id</key>
-      <value>trellis_sccc_encoder_xx_0</value>
+      <key>max</key>
+      <value>2</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>num_samps</key>
+      <value>1000</value>
     </param>
     <param>
-      <key>type</key>
-      <value>ss</value>
+      <key>repeat</key>
+      <value>True</value>
     </param>
     <param>
-      <key>o_fsm_args</key>
-      <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_4.fsm"</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>o_init_state</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>i_fsm_args</key>
-      <value>prefix+"gr-trellis/src/examples/fsm_files/awgn2o3_4.fsm"</value>
-    </param>
-    <param>
-      <key>i_init_state</key>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>interleaver_args</key>
-      <value>trellis.interleaver(block,666)</value>
-    </param>
-    <param>
-      <key>bl</key>
-      <value>block</value>
-    </param>
-    <param>
       <key>_coordinate</key>
-      <value>(242, 154)</value>
+      <value>(21, 170)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -294,62 +227,46 @@
     </param>
   </block>
   <block>
-    <key>trellis_sccc_decoder_x</key>
+    <key>blocks_throttle</key>
     <param>
       <key>id</key>
-      <value>trellis_sccc_decoder_x_0</value>
+      <value>blocks_throttle_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>out_type</key>
-      <value>s</value>
+      <key>type</key>
+      <value>short</value>
     </param>
     <param>
-      <key>o_fsm_args</key>
-      <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_4.fsm"</value>
+      <key>samples_per_second</key>
+      <value>R</value>
     </param>
     <param>
-      <key>o_init_state</key>
-      <value>0</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>o_final_state</key>
-      <value>-1</value>
+      <key>ignoretag</key>
+      <value>True</value>
     </param>
     <param>
-      <key>i_fsm_args</key>
-      <value>prefix+"gr-trellis/src/examples/fsm_files/awgn2o3_4.fsm"</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>i_init_state</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>i_final_state</key>
-      <value>-1</value>
-    </param>
-    <param>
-      <key>interleaver</key>
-      <value>trellis.interleaver(block,666)</value>
-    </param>
-    <param>
-      <key>block_size</key>
-      <value>block</value>
-    </param>
-    <param>
-      <key>iterations</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>siso_type</key>
-      <value>trellis.TRELLIS_MIN_SUM</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(333, 305)</value>
+      <value>(607, 110)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -357,10 +274,10 @@
     </param>
   </block>
   <block>
-    <key>blocks_sub_xx</key>
+    <key>blocks_add_xx</key>
     <param>
       <key>id</key>
-      <value>blocks_sub_xx_0</value>
+      <value>blocks_add_xx_1</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -368,19 +285,31 @@
     </param>
     <param>
       <key>type</key>
-      <value>short</value>
+      <value>float</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>2</value>
     </param>
     <param>
       <key>vlen</key>
       <value>1</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>2</value>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(217, 597)</value>
+      <value>(932, 187)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -410,35 +339,20 @@
       <value>1</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(392, 591)</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_short_to_float</key>
-    <param>
-      <key>id</key>
-      <value>blocks_short_to_float_1_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>scale</key>
-      <value>1</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(535, 609)</value>
+      <value>(233, 480)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -446,10 +360,10 @@
     </param>
   </block>
   <block>
-    <key>wxgui_numbersink2</key>
+    <key>blocks_sub_xx</key>
     <param>
       <key>id</key>
-      <value>wxgui_numbersink2_3_0</value>
+      <value>blocks_sub_xx_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -457,75 +371,70 @@
     </param>
     <param>
       <key>type</key>
-      <value>float</value>
+      <value>short</value>
     </param>
     <param>
-      <key>title</key>
-      <value>BER</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>units</key>
-      <value>BER</value>
+      <key>num_inputs</key>
+      <value>2</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>R</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>min_value</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>max_value</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>factor</key>
-      <value>1.0</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>decimal_places</key>
-      <value>6</value>
+      <key>_coordinate</key>
+      <value>(58, 486)</value>
     </param>
     <param>
-      <key>ref_level</key>
+      <key>_rotation</key>
       <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_short_to_float</key>
     <param>
-      <key>number_rate</key>
-      <value>15</value>
-    </param>
-    <param>
-      <key>peak_hold</key>
-      <value>False</value>
+      <key>id</key>
+      <value>blocks_short_to_float_1_0</value>
     </param>
     <param>
-      <key>average</key>
+      <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>avg_alpha</key>
-      <value>0.001</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
     <param>
-      <key>show_gauge</key>
-      <value>True</value>
+      <key>scale</key>
+      <value>1</value>
     </param>
     <param>
-      <key>win_size</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value>1,0,1,1</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(713, 426)</value>
+      <value>(376, 498)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -563,8 +472,20 @@
       <value>digital.TRELLIS_EUCLIDEAN</value>
     </param>
     <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(58, 354)</value>
+      <value>(63, 328)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -572,74 +493,74 @@
     </param>
   </block>
   <block>
-    <key>wxgui_scopesink2</key>
+    <key>trellis_sccc_decoder_x</key>
     <param>
       <key>id</key>
-      <value>wxgui_scopesink2_0</value>
+      <value>trellis_sccc_decoder_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
-      <value>False</value>
+      <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>out_type</key>
+      <value>s</value>
     </param>
     <param>
-      <key>title</key>
-      <value>Scope Plot</value>
+      <key>o_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>R</value>
+      <key>o_init_state</key>
+      <value>0</value>
     </param>
     <param>
-      <key>v_scale</key>
-      <value>0</value>
+      <key>o_final_state</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>v_offset</key>
-      <value>0</value>
+      <key>i_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn2o3_4.fsm"</value>
     </param>
     <param>
-      <key>t_scale</key>
+      <key>i_init_state</key>
       <value>0</value>
     </param>
     <param>
-      <key>ac_couple</key>
-      <value>False</value>
+      <key>i_final_state</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>xy_mode</key>
-      <value>False</value>
+      <key>interleaver</key>
+      <value>trellis.interleaver(block,666)</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>1</value>
+      <key>block_size</key>
+      <value>block</value>
     </param>
     <param>
-      <key>win_size</key>
-      <value></value>
+      <key>iterations</key>
+      <value>10</value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value></value>
+      <key>siso_type</key>
+      <value>trellis.TRELLIS_MIN_SUM</value>
     </param>
     <param>
-      <key>notebook</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>trig_mode</key>
-      <value>wxgui.TRIG_MODE_AUTO</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>y_axis_label</key>
-      <value>Counts</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(952, 73)</value>
+      <value>(292, 280)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -647,10 +568,10 @@
     </param>
   </block>
   <block>
-    <key>blocks_throttle</key>
+    <key>trellis_sccc_encoder_xx</key>
     <param>
       <key>id</key>
-      <value>blocks_throttle_0</value>
+      <value>trellis_sccc_encoder_xx_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -658,19 +579,47 @@
     </param>
     <param>
       <key>type</key>
-      <value>short</value>
+      <value>ss</value>
     </param>
     <param>
-      <key>samples_per_second</key>
-      <value>R</value>
+      <key>o_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn1o2_4.fsm"</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>o_init_state</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>i_fsm_args</key>
+      <value>prefix+"gr-trellis/examples/python/fsm_files/awgn2o3_4.fsm"</value>
+    </param>
+    <param>
+      <key>i_init_state</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>interleaver_args</key>
+      <value>trellis.interleaver(block,666)</value>
+    </param>
+    <param>
+      <key>bl</key>
+      <value>block</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(517, 103)</value>
+      <value>(294, 154)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -708,6 +657,18 @@
       <value>1</value>
     </param>
     <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
       <key>_coordinate</key>
       <value>(607, 175)</value>
     </param>
@@ -717,10 +678,10 @@
     </param>
   </block>
   <block>
-    <key>blocks_add_xx</key>
+    <key>analog_noise_source_x</key>
     <param>
       <key>id</key>
-      <value>blocks_add_xx_1</value>
+      <value>analog_noise_source_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -731,16 +692,32 @@
       <value>float</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>2</value>
+      <key>noise_type</key>
+      <value>analog.GR_GAUSSIAN</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>amp</key>
+      <value>noisevar</value>
+    </param>
+    <param>
+      <key>seed</key>
+      <value>-42</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(951, 256)</value>
+      <value>(606, 242)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -748,10 +725,10 @@
     </param>
   </block>
   <block>
-    <key>analog_noise_source_x</key>
+    <key>qtgui_number_sink</key>
     <param>
       <key>id</key>
-      <value>analog_noise_source_x_0</value>
+      <value>qtgui_number_sink_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -762,26 +739,185 @@
       <value>float</value>
     </param>
     <param>
-      <key>noise_type</key>
-      <value>analog.GR_GAUSSIAN</value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>amp</key>
-      <value>noisevar</value>
+      <key>avg</key>
+      <value>0.001</value>
     </param>
     <param>
-      <key>seed</key>
-      <value>-42</value>
+      <key>graph_type</key>
+      <value>qtgui.NUM_GRAPH_HORIZ</value>
+    </param>
+    <param>
+      <key>nconnections</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>min</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>max</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>1,0,1,1</value>
+    </param>
+    <param>
+      <key>label1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color2</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color3</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color4</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label5</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color5</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color6</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label7</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color7</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label8</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color8</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label9</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color9</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>label10</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color10</key>
+      <value>("black", "black")</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(632, 254)</value>
+      <value>(609, 482)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
   </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>id</key>
+      <value>snr_db</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>SNR (dB)</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>5</value>
+    </param>
+    <param>
+      <key>start</key>
+      <value>-10</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>0.01</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter_slider</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>min_len</key>
+      <value>200</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(177, 10)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
+    </param>
+  </block>
   <connection>
     <source_block_id>analog_random_source_x_0</source_block_id>
     <sink_block_id>blocks_sub_xx_0</sink_block_id>
@@ -789,12 +925,6 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_add_xx_1</source_block_id>
-    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
     <source_block_id>analog_random_source_x_0</source_block_id>
     <sink_block_id>trellis_sccc_encoder_xx_0</sink_block_id>
     <source_key>0</source_key>
@@ -807,30 +937,6 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_multiply_xx_2_0</source_block_id>
-    <sink_block_id>blocks_short_to_float_1_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_short_to_float_1_0</source_block_id>
-    <sink_block_id>wxgui_numbersink2_3_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_sub_xx_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_sub_xx_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>1</sink_key>
-  </connection>
-  <connection>
     <source_block_id>blocks_add_xx_1</source_block_id>
     <sink_block_id>trellis_metrics_x_0</sink_block_id>
     <source_key>0</source_key>
@@ -866,4 +972,28 @@
     <source_key>0</source_key>
     <sink_key>1</sink_key>
   </connection>
+  <connection>
+    <source_block_id>blocks_sub_xx_0</source_block_id>
+    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>1</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>blocks_sub_xx_0</source_block_id>
+    <sink_block_id>blocks_multiply_xx_2_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>blocks_multiply_xx_2_0</source_block_id>
+    <sink_block_id>blocks_short_to_float_1_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>blocks_short_to_float_1_0</source_block_id>
+    <sink_block_id>qtgui_number_sink_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
 </flow_graph>
author	Jan <kraemer.jn@googlemail.com>	2014-07-17 14:57:06 +0200
committer	Tom Rondeau <tom@trondeau.com>	2014-07-28 11:51:12 -0400
commit	475b9e08be4506b1c9987d4fb96030580e20456f (patch)
tree	d351fdd5f63cf6d0c64dfc620277cb61d3563291 /gr-trellis/examples/grc
parent	7f847769126c3141aa1db0b24bb82f80b8524e87 (diff)