1 files changed, 366 insertions, 210 deletions
diff --git a/gr-trellis/examples/grc/pccc1.grc b/gr-trellis/examples/grc/pccc1.grc
index c27c658ae6..acb112d255 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>Tue Jul 22 09:01:29 2014</timestamp>
+  <timestamp>Mon Jul 28 14:09:00 2014</timestamp>
   <block>
     <key>options</key>
     <param>
@@ -52,6 +52,10 @@
       <value></value>
     </param>
     <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
       <key>_coordinate</key>
       <value>(10, 10)</value>
     </param>
@@ -64,7 +68,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>block</value>
+      <value>prefix</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -72,11 +76,15 @@
     </param>
     <param>
       <key>value</key>
-      <value>1000</value>
+      <value>"@FSM_FILE_INSTALL_DIR@"</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(621, 10)</value>
+      <value>(513, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -87,7 +95,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>noisevar</value>
+      <value>block</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -95,11 +103,15 @@
     </param>
     <param>
       <key>value</key>
-      <value>10**(-snr_db/10)</value>
+      <value>1000</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(279, 10)</value>
+      <value>(441, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -110,7 +122,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>prefix</value>
+      <value>R</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -118,11 +130,15 @@
     </param>
     <param>
       <key>value</key>
-      <value>"@FSM_FILE_INSTALL_DIR@"</value>
+      <value>100e3</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(434, 10)</value>
+      <value>(358, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -133,7 +149,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>R</value>
+      <value>noisevar</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -141,11 +157,15 @@
     </param>
     <param>
       <key>value</key>
-      <value>100e3</value>
+      <value>10**(-snr_db/10)</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(358, 10)</value>
+      <value>(279, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -183,100 +203,10 @@
       <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>(21, 170)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>analog_noise_source_x</key>
-    <param>
-      <key>id</key>
-      <value>analog_noise_source_x_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </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>
-    </param>
-    <param>
-      <key>seed</key>
-      <value>-42</value>
-    </param>
-    <param>
-      <key>affinity</key>
+      <key>alias</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>(551, 244)</value>
-    </param>
-    <param>
-      <key>_rotation</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>
-    </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>ignoretag</key>
-      <value>True</value>
-    </param>
-    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -290,7 +220,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(553, 103)</value>
+      <value>(21, 170)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -308,6 +238,10 @@
       <value>True</value>
     </param>
     <param>
+      <key>name</key>
+      <value>""</value>
+    </param>
+    <param>
       <key>type</key>
       <value>float</value>
     </param>
@@ -348,82 +282,166 @@
       <value></value>
     </param>
     <param>
+      <key>unit1</key>
+      <value></value>
+    </param>
+    <param>
       <key>color1</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor1</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>label2</key>
       <value></value>
     </param>
     <param>
+      <key>unit2</key>
+      <value></value>
+    </param>
+    <param>
       <key>color2</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor2</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>label3</key>
       <value></value>
     </param>
     <param>
+      <key>unit3</key>
+      <value></value>
+    </param>
+    <param>
       <key>color3</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor3</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>label4</key>
       <value></value>
     </param>
     <param>
+      <key>unit4</key>
+      <value></value>
+    </param>
+    <param>
       <key>color4</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor4</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>label5</key>
       <value></value>
     </param>
     <param>
+      <key>unit5</key>
+      <value></value>
+    </param>
+    <param>
       <key>color5</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor5</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>label6</key>
       <value></value>
     </param>
     <param>
+      <key>unit6</key>
+      <value></value>
+    </param>
+    <param>
       <key>color6</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor6</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>label7</key>
       <value></value>
     </param>
     <param>
+      <key>unit7</key>
+      <value></value>
+    </param>
+    <param>
       <key>color7</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor7</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>label8</key>
       <value></value>
     </param>
     <param>
+      <key>unit8</key>
+      <value></value>
+    </param>
+    <param>
       <key>color8</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor8</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>label9</key>
       <value></value>
     </param>
     <param>
+      <key>unit9</key>
+      <value></value>
+    </param>
+    <param>
       <key>color9</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor9</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>label10</key>
       <value></value>
     </param>
     <param>
+      <key>unit10</key>
+      <value></value>
+    </param>
+    <param>
       <key>color10</key>
       <value>("black", "black")</value>
     </param>
     <param>
+      <key>factor10</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -455,6 +473,10 @@
       <value>1</value>
     </param>
     <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -498,6 +520,10 @@
       <value>1</value>
     </param>
     <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -541,6 +567,10 @@
       <value>2</value>
     </param>
     <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -562,77 +592,105 @@
     </param>
   </block>
   <block>
-    <key>blocks_add_xx</key>
+    <key>variable_qtgui_range</key>
     <param>
       <key>id</key>
-      <value>blocks_add_xx_1</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>num_inputs</key>
-      <value>2</value>
+      <key>value</key>
+      <value>5</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>start</key>
+      <value>-10</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>stop</key>
+      <value>10</value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>step</key>
+      <value>0.01</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <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>alias</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(839, 190)</value>
+      <value>(177, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>0</value>
+      <value>180</value>
     </param>
   </block>
   <block>
-    <key>digital_chunks_to_symbols_xx</key>
+    <key>trellis_pccc_encoder_xx</key>
     <param>
       <key>id</key>
-      <value>digital_chunks_to_symbols_xx_0</value>
+      <value>trellis_pccc_encoder_xx_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>in_type</key>
-      <value>short</value>
+      <key>type</key>
+      <value>ss</value>
     </param>
     <param>
-      <key>out_type</key>
-      <value>float</value>
+      <key>o_fsm_args</key>
+      <value>prefix+"/awgn1o2_4.fsm"</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,-1,0,1,0,3,0,5,0,7,0</value>
+      <key>o_init_state</key>
+      <value>0</value>
     </param>
     <param>
-      <key>dimension</key>
-      <value>2</value>
+      <key>i_fsm_args</key>
+      <value>prefix+"/awgn1o2_4.fsm"</value>
     </param>
     <param>
-      <key>num_ports</key>
-      <value>1</value>
+      <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>alias</key>
+      <value></value>
     </param>
     <param>
       <key>affinity</key>
@@ -648,7 +706,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(552, 178)</value>
+      <value>(235, 154)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -686,6 +744,10 @@
       <value>digital.TRELLIS_EUCLIDEAN</value>
     </param>
     <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
@@ -699,7 +761,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(56, 370)</value>
+      <value>(89, 380)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -707,97 +769,168 @@
     </param>
   </block>
   <block>
-    <key>variable_qtgui_range</key>
+    <key>trellis_pccc_decoder_x</key>
     <param>
       <key>id</key>
-      <value>snr_db</value>
+      <value>trellis_pccc_decoder_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>SNR (dB)</value>
+      <key>out_type</key>
+      <value>s</value>
     </param>
     <param>
-      <key>value</key>
-      <value>5</value>
+      <key>o_fsm_args</key>
+      <value>prefix+"/awgn1o2_4.fsm"</value>
     </param>
     <param>
-      <key>start</key>
-      <value>-10</value>
+      <key>o_init_state</key>
+      <value>0</value>
     </param>
     <param>
-      <key>stop</key>
-      <value>10</value>
+      <key>o_final_state</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>step</key>
-      <value>0.01</value>
+      <key>i_fsm_args</key>
+      <value>prefix+"/awgn1o2_4.fsm"</value>
     </param>
     <param>
-      <key>widget</key>
-      <value>counter_slider</value>
+      <key>i_init_state</key>
+      <value>0</value>
     </param>
     <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
+      <key>i_final_state</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>min_len</key>
-      <value>200</value>
+      <key>interleaver</key>
+      <value>trellis.interleaver(block,666)</value>
     </param>
     <param>
-      <key>gui_hint</key>
+      <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>
+    </param>
+    <param>
+      <key>alias</key>
+      <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>(177, 10)</value>
+      <value>(379, 332)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>180</value>
+      <value>0</value>
     </param>
   </block>
   <block>
-    <key>trellis_pccc_encoder_xx</key>
+    <key>digital_chunks_to_symbols_xx</key>
     <param>
       <key>id</key>
-      <value>trellis_pccc_encoder_xx_0</value>
+      <value>digital_chunks_to_symbols_xx_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>ss</value>
+      <key>in_type</key>
+      <value>short</value>
     </param>
     <param>
-      <key>o_fsm_args</key>
-      <value>prefix+"awgn1o2_4.fsm"</value>
+      <key>out_type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>o_init_state</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>num_ports</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>i_fsm_args</key>
-      <value>prefix+"awgn1o2_4.fsm"</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>i_init_state</key>
+      <key>_coordinate</key>
+      <value>(552, 164)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
       <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_throttle</key>
     <param>
-      <key>interleaver_args</key>
-      <value>trellis.interleaver(block,666)</value>
+      <key>id</key>
+      <value>blocks_throttle_0</value>
     </param>
     <param>
-      <key>bl</key>
-      <value>block</value>
+      <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>ignoretag</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
       <key>affinity</key>
@@ -813,7 +946,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(235, 154)</value>
+      <value>(553, 89)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -821,58 +954,81 @@
     </param>
   </block>
   <block>
-    <key>trellis_pccc_decoder_x</key>
+    <key>analog_noise_source_x</key>
     <param>
       <key>id</key>
-      <value>trellis_pccc_decoder_x_0</value>
+      <value>analog_noise_source_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>out_type</key>
-      <value>s</value>
+      <key>type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>o_fsm_args</key>
-      <value>prefix+"awgn1o2_4.fsm"</value>
+      <key>noise_type</key>
+      <value>analog.GR_GAUSSIAN</value>
     </param>
     <param>
-      <key>o_init_state</key>
+      <key>amp</key>
+      <value>noisevar</value>
+    </param>
+    <param>
+      <key>seed</key>
+      <value>-42</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>o_final_state</key>
-      <value>-1</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>i_fsm_args</key>
-      <value>prefix+"awgn1o2_4.fsm"</value>
+      <key>_coordinate</key>
+      <value>(551, 230)</value>
     </param>
     <param>
-      <key>i_init_state</key>
+      <key>_rotation</key>
       <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_add_xx</key>
     <param>
-      <key>i_final_state</key>
-      <value>-1</value>
+      <key>id</key>
+      <value>blocks_add_xx_1</value>
     </param>
     <param>
-      <key>interleaver</key>
-      <value>trellis.interleaver(block,666)</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>block_size</key>
-      <value>block</value>
+      <key>type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>iterations</key>
-      <value>10</value>
+      <key>num_inputs</key>
+      <value>2</value>
     </param>
     <param>
-      <key>siso_type</key>
-      <value>trellis.TRELLIS_MIN_SUM</value>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
       <key>affinity</key>
@@ -888,7 +1044,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(359, 322)</value>
+      <value>(839, 176)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -932,44 +1088,44 @@
     <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_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>digital_chunks_to_symbols_xx_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>0</sink_key>
+    <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>
+    <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_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_sub_xx_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_2_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>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>
   <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>