uhd: Updated uhd_fft example + app (moved to QT)

author: Martin Braun <martin.braun@ettus.com> 2015-06-18 18:29:24 -0700
committer: Martin Braun <martin.braun@ettus.com> 2015-06-22 15:12:18 -0700
commit: f23cbc6a3f52210c7a4728001f895cec98cd218c (patch)
tree: 12a676fac1a1a320c201e4533dfb18a4e17643c5 /gr-uhd/examples/grc
parent: d5cea6e44e29db6b62fabe2b1e5ec16e91b41e68 (diff)
1 files changed, 1446 insertions, 726 deletions
diff --git a/gr-uhd/examples/grc/uhd_fft.grc b/gr-uhd/examples/grc/uhd_fft.grc
index 13271cae74..6c8fb94475 100644
--- a/gr-uhd/examples/grc/uhd_fft.grc
+++ b/gr-uhd/examples/grc/uhd_fft.grc
@@ -1,47 +1,48 @@
-<?xml version='1.0' encoding='ASCII'?>
+<?xml version='1.0' encoding='utf-8'?>
+<?grc format='1' created='3.7.8'?>
 <flow_graph>
   <timestamp>Sat Jul 12 16:12:28 2014</timestamp>
   <block>
     <key>options</key>
     <param>
-      <key>id</key>
-      <value>uhd_fft</value>
+      <key>author</key>
+      <value>Example</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>title</key>
-      <value>UHD FFT</value>
+      <key>category</key>
+      <value>Custom</value>
     </param>
     <param>
-      <key>author</key>
-      <value>Example</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>description</key>
       <value>UHD FFT Waveform Plotter</value>
     </param>
     <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>generate_options</key>
-      <value>qt_gui</value>
+      <key>_coordinate</key>
+      <value>(-1, -3)</value>
     </param>
     <param>
-      <key>category</key>
-      <value>Custom</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>run_options</key>
-      <value>prompt</value>
+      <key>generate_options</key>
+      <value>qt_gui</value>
     </param>
     <param>
-      <key>run</key>
-      <value>True</value>
+      <key>id</key>
+      <value>uhd_fft</value>
     </param>
     <param>
       <key>max_nouts</key>
@@ -52,1320 +53,1868 @@
       <value></value>
     </param>
     <param>
-      <key>alias</key>
+      <key>run_options</key>
+      <value>prompt</value>
+    </param>
+    <param>
+      <key>run</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>thread_safe_setters</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(-1, -3)</value>
+      <key>title</key>
+      <value>UHD FFT</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>window_size</key>
+      <value>1280, 1024</value>
     </param>
   </block>
   <block>
-    <key>parameter</key>
+    <key>variable_qtgui_chooser</key>
     <param>
-      <key>id</key>
-      <value>param_gain</value>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>antenna</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>Default Gain</value>
+      <key>_coordinate</key>
+      <value>(664, 435)</value>
     </param>
     <param>
-      <key>value</key>
+      <key>gui_hint</key>
+      <value>4,2,1,2</value>
+    </param>
+    <param>
+      <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>eng_float</value>
+      <key>id</key>
+      <value>ant</value>
     </param>
     <param>
-      <key>short_id</key>
-      <value>g</value>
+      <key>label0</key>
+      <value>RX2</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>label1</key>
+      <value>TX/RX</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value>J1</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value>J2</value>
+    </param>
+    <param>
+      <key>label4</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(642, 0)</value>
+      <key>label</key>
+      <value>Antenna</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>labels</key>
+      <value>[]</value>
     </param>
-  </block>
-  <block>
-    <key>parameter</key>
     <param>
-      <key>id</key>
-      <value>param_samp_rate</value>
+      <key>num_opts</key>
+      <value>4</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>option0</key>
+      <value>RX2</value>
     </param>
     <param>
-      <key>label</key>
-      <value>Sample Rate</value>
+      <key>option1</key>
+      <value>TX/RX</value>
     </param>
     <param>
-      <key>value</key>
-      <value>1e6</value>
+      <key>option2</key>
+      <value>J1</value>
     </param>
     <param>
-      <key>type</key>
-      <value>eng_float</value>
+      <key>option3</key>
+      <value>J2</value>
     </param>
     <param>
-      <key>short_id</key>
-      <value>s</value>
+      <key>option4</key>
+      <value>4</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>options</key>
+      <value>[0, 1, 2]</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(328, 0)</value>
+      <key>orient</key>
+      <value>Qt.QVBoxLayout</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>type</key>
+      <value>string</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>combo_box</value>
     </param>
   </block>
   <block>
-    <key>parameter</key>
+    <key>variable_function_probe</key>
     <param>
-      <key>id</key>
-      <value>param_freq</value>
+      <key>block_id</key>
+      <value>uhd_usrp_source_0</value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>Default Frequency</value>
+      <key>function_args</key>
+      <value>"'lo_locked'"</value>
     </param>
     <param>
-      <key>value</key>
-      <value>2.45e9</value>
+      <key>function_name</key>
+      <value>get_sensor</value>
     </param>
     <param>
-      <key>type</key>
-      <value>eng_float</value>
+      <key>_coordinate</key>
+      <value>(888, 131)</value>
     </param>
     <param>
-      <key>short_id</key>
-      <value>f</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>id</key>
+      <value>chan0_lo_locked</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(478, 0)</value>
+      <key>poll_rate</key>
+      <value>10</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>value</key>
+      <value>uhd.sensor_value("", False, "")</value>
     </param>
   </block>
   <block>
-    <key>import</key>
+    <key>variable_function_probe</key>
     <param>
-      <key>id</key>
-      <value>import_0</value>
+      <key>block_id</key>
+      <value>uhd_usrp_source_0</value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>import</key>
-      <value>import numpy</value>
+      <key>function_args</key>
+      <value>"'lo_locked'"</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>function_name</key>
+      <value>get_sensor</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(4, 105)</value>
+      <value>(888, 267)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>current_freq_c</value>
+    </param>
+    <param>
+      <key>poll_rate</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>freq_c</value>
+    </param>
   </block>
   <block>
-    <key>parameter</key>
+    <key>variable_qtgui_entry</key>
     <param>
-      <key>id</key>
-      <value>address</value>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>freq</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>IP Address</value>
+      <key>_coordinate</key>
+      <value>(528, 347)</value>
     </param>
     <param>
-      <key>value</key>
-      <value>addr=192.168.10.2</value>
+      <key>gui_hint</key>
+      <value>3,0,1,2</value>
     </param>
     <param>
-      <key>type</key>
-      <value>string</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>short_id</key>
-      <value>a</value>
+      <key>id</key>
+      <value>freq_c</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>label</key>
+      <value>RX Tune Frequency</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>real</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
+      <key>value</key>
+      <value>gain</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>1</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(160, 0)</value>
+      <value>(656, 211)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>2,0,1,4</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>qtgui_tab_widget</key>
     <param>
       <key>id</key>
-      <value>display</value>
+      <value>gain_</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label</key>
+      <value>RX Gain</value>
     </param>
     <param>
-      <key>num_tabs</key>
-      <value>3</value>
+      <key>min_len</key>
+      <value>200</value>
     </param>
     <param>
-      <key>label0</key>
-      <value>Spectrum</value>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
     </param>
     <param>
-      <key>label1</key>
-      <value>Waterfall</value>
+      <key>start</key>
+      <value>0</value>
     </param>
     <param>
-      <key>label2</key>
-      <value>Scope</value>
+      <key>step</key>
+      <value>.5</value>
     </param>
     <param>
-      <key>label3</key>
-      <value>Tab 3</value>
+      <key>stop</key>
+      <value>31.5</value>
     </param>
     <param>
-      <key>label4</key>
-      <value>Tab 4</value>
+      <key>rangeType</key>
+      <value>float</value>
     </param>
     <param>
-      <key>gui_hint</key>
-      <value>2,0,1,4</value>
+      <key>widget</key>
+      <value>counter_slider</value>
     </param>
+  </block>
+  <block>
+    <key>variable_qtgui_label</key>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
+      <key>value</key>
+      <value>chan0_lo_locked.to_bool()</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>formatter</key>
+      <value>None</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(6, 178)</value>
+      <value>(528, 435)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>4,0,1,2</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>lo_locked_probe</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>LO locked</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>bool</value>
+    </param>
   </block>
   <block>
-    <key>variable_qtgui_range</key>
+    <key>variable_qtgui_entry</key>
     <param>
-      <key>id</key>
-      <value>gain</value>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>samp_rate</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>RX Gain</value>
+      <key>_coordinate</key>
+      <value>(680, 347)</value>
     </param>
     <param>
-      <key>value</key>
-      <value>15</value>
+      <key>gui_hint</key>
+      <value>3,2,1,2</value>
     </param>
     <param>
-      <key>start</key>
+      <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
-      <key>stop</key>
-      <value>31.5</value>
+      <key>id</key>
+      <value>samp_rate_</value>
     </param>
     <param>
-      <key>step</key>
-      <value>.5</value>
+      <key>label</key>
+      <value>Sampling Rate</value>
     </param>
     <param>
-      <key>widget</key>
-      <value>counter_slider</value>
+      <key>type</key>
+      <value>real</value>
     </param>
+  </block>
+  <block>
+    <key>variable_qtgui_label</key>
     <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>min_len</key>
-      <value>200</value>
+      <key>value</key>
+      <value>uhd.get_version_string()</value>
     </param>
     <param>
-      <key>gui_hint</key>
-      <value>1,2,1,2</value>
+      <key>_enabled</key>
+      <value>1</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>formatter</key>
+      <value>None</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(694, 216)</value>
+      <value>(536, 131)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>1,0,1,2</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
     <param>
       <key>id</key>
-      <value>freq</value>
+      <value>uhd_version_info</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label</key>
+      <value>UHD Version</value>
     </param>
     <param>
-      <key>label</key>
-      <value>RX Tune Frequency</value>
+      <key>type</key>
+      <value>string</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_label</key>
+    <param>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>value</key>
-      <value>2.45e9</value>
+      <value>uhd.get_version_string()</value>
     </param>
     <param>
-      <key>start</key>
-      <value>50e6</value>
+      <key>_enabled</key>
+      <value>1</value>
     </param>
     <param>
-      <key>stop</key>
-      <value>6e9</value>
+      <key>formatter</key>
+      <value>None</value>
     </param>
     <param>
-      <key>step</key>
-      <value>100e3</value>
+      <key>_coordinate</key>
+      <value>(712, 131)</value>
     </param>
     <param>
-      <key>widget</key>
-      <value>counter_slider</value>
+      <key>gui_hint</key>
+      <value>1,2,1,2</value>
     </param>
     <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>min_len</key>
-      <value>200</value>
+      <key>id</key>
+      <value>usrp_device_info</value>
     </param>
     <param>
-      <key>gui_hint</key>
-      <value>1,0,1,2</value>
+      <key>label</key>
+      <value>Device Information</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>raw</value>
     </param>
+  </block>
+  <block>
+    <key>parameter</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(538, 214)</value>
+      <value>(792, 3)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>antenna</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Antenna</value>
+    </param>
+    <param>
+      <key>short_id</key>
+      <value>A</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>string</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>RX2</value>
+    </param>
   </block>
   <block>
-    <key>variable_qtgui_chooser</key>
+    <key>parameter</key>
     <param>
-      <key>id</key>
-      <value>ant</value>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
+      <key>_coordinate</key>
+      <value>(176, -5)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>args</value>
+    </param>
+    <param>
       <key>label</key>
-      <value>Antenna</value>
+      <value>UHD device address args</value>
+    </param>
+    <param>
+      <key>short_id</key>
+      <value>a</value>
     </param>
     <param>
       <key>type</key>
       <value>string</value>
     </param>
     <param>
-      <key>num_opts</key>
-      <value>4</value>
+      <key>value</key>
+      <value></value>
     </param>
+  </block>
+  <block>
+    <key>qtgui_tab_widget</key>
     <param>
-      <key>value</key>
-      <value>RX2</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>options</key>
-      <value>[0, 1, 2]</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>labels</key>
-      <value>[]</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>option0</key>
-      <value>RX2</value>
+      <key>_coordinate</key>
+      <value>(6, 178)</value>
     </param>
     <param>
-      <key>label0</key>
-      <value>RX2</value>
+      <key>gui_hint</key>
+      <value>0,0,1,4</value>
     </param>
     <param>
-      <key>option1</key>
-      <value>TX/RX</value>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>display</value>
+    </param>
+    <param>
+      <key>label0</key>
+      <value>Spectrum</value>
     </param>
     <param>
       <key>label1</key>
-      <value>TX/RX</value>
+      <value>Waterfall</value>
     </param>
     <param>
-      <key>option2</key>
-      <value>J1</value>
+      <key>label10</key>
+      <value>Tab 10</value>
     </param>
     <param>
-      <key>label2</key>
-      <value>J1</value>
+      <key>label11</key>
+      <value>Tab 11</value>
     </param>
     <param>
-      <key>option3</key>
-      <value>J2</value>
+      <key>label12</key>
+      <value>Tab 12</value>
     </param>
     <param>
-      <key>label3</key>
-      <value>J2</value>
+      <key>label13</key>
+      <value>Tab 13</value>
     </param>
     <param>
-      <key>option4</key>
-      <value>4</value>
+      <key>label14</key>
+      <value>Tab 14</value>
+    </param>
+    <param>
+      <key>label15</key>
+      <value>Tab 15</value>
+    </param>
+    <param>
+      <key>label16</key>
+      <value>Tab 16</value>
+    </param>
+    <param>
+      <key>label17</key>
+      <value>Tab 17</value>
+    </param>
+    <param>
+      <key>label18</key>
+      <value>Tab 18</value>
+    </param>
+    <param>
+      <key>label19</key>
+      <value>Tab 19</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value>Scope</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value>Tab 3</value>
     </param>
     <param>
       <key>label4</key>
-      <value></value>
+      <value>Tab 4</value>
     </param>
     <param>
-      <key>widget</key>
-      <value>combo_box</value>
+      <key>label5</key>
+      <value>Tab 5</value>
     </param>
     <param>
-      <key>orient</key>
-      <value>Qt.QVBoxLayout</value>
+      <key>label6</key>
+      <value>Tab 6</value>
     </param>
     <param>
-      <key>gui_hint</key>
-      <value>0,2,1,2</value>
+      <key>label7</key>
+      <value>Tab 7</value>
+    </param>
+    <param>
+      <key>label8</key>
+      <value>Tab 8</value>
     </param>
     <param>
+      <key>label9</key>
+      <value>Tab 9</value>
+    </param>
+    <param>
+      <key>num_tabs</key>
+      <value>3</value>
+    </param>
+  </block>
+  <block>
+    <key>parameter</key>
+    <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(810, 124)</value>
+      <value>(1104, -5)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable_qtgui_label</key>
     <param>
       <key>id</key>
-      <value>lo_locked_probe</value>
+      <value>fft_size</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label</key>
+      <value>Set number of FFT bins</value>
     </param>
     <param>
-      <key>label</key>
-      <value>LO locked</value>
+      <key>short_id</key>
+      <value></value>
     </param>
     <param>
       <key>type</key>
-      <value>bool</value>
+      <value>intx</value>
     </param>
     <param>
       <key>value</key>
-      <value>chan0_lo_locked.to_bool()</value>
+      <value>1024</value>
     </param>
+  </block>
+  <block>
+    <key>parameter</key>
     <param>
-      <key>gui_hint</key>
-      <value>0,1,1,1</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(662, 127)</value>
+      <value>(478, 0)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable_qtgui_label</key>
     <param>
       <key>id</key>
-      <value>samp_rate</value>
+      <value>freq</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label</key>
+      <value>Default Frequency</value>
     </param>
     <param>
-      <key>label</key>
-      <value>Sample Rate</value>
+      <key>short_id</key>
+      <value>f</value>
     </param>
     <param>
       <key>type</key>
-      <value>real</value>
+      <value>eng_float</value>
     </param>
     <param>
       <key>value</key>
-      <value>1e6</value>
+      <value>2.45e9</value>
     </param>
+  </block>
+  <block>
+    <key>parameter</key>
     <param>
-      <key>gui_hint</key>
-      <value>0,0,1,1</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(543, 128)</value>
+      <value>(632, 3)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable_function_probe</key>
     <param>
       <key>id</key>
-      <value>chan0_lo_locked</value>
+      <value>gain</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label</key>
+      <value>Set gain in dB (default is midpoint)</value>
     </param>
     <param>
-      <key>value</key>
-      <value>uhd.sensor_value("", False, "")</value>
+      <key>short_id</key>
+      <value>g</value>
     </param>
     <param>
-      <key>block_id</key>
-      <value>uhd_usrp_source_0</value>
+      <key>type</key>
+      <value>eng_float</value>
     </param>
     <param>
-      <key>function_name</key>
-      <value>get_sensor</value>
+      <key>value</key>
+      <value>20</value>
     </param>
+  </block>
+  <block>
+    <key>import</key>
     <param>
-      <key>function_args</key>
-      <value>"'lo_locked'"</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>poll_rate</key>
-      <value>10</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1014, 164)</value>
+      <value>(4, 105)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>qtgui_waterfall_sink_x</key>
     <param>
       <key>id</key>
-      <value>qtgui_waterfall_sink_x_0</value>
+      <value>import_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>import</key>
+      <value>import numpy</value>
     </param>
+  </block>
+  <block>
+    <key>qtgui_freq_sink_x</key>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>name</key>
-      <value>Scope</value>
+      <key>average</key>
+      <value>0.1</value>
     </param>
     <param>
-      <key>fftsize</key>
-      <value>1024</value>
+      <key>bw</key>
+      <value>samp_rate_</value>
     </param>
     <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
       <key>fc</key>
       <value>freq</value>
     </param>
     <param>
-      <key>bw</key>
-      <value>samp_rate</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>nconnections</key>
-      <value>1</value>
+      <key>ctrlpanel</key>
+      <value>True</value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>fftsize</key>
+      <value>fft_size</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(311, 217)</value>
     </param>
     <param>
       <key>gui_hint</key>
-      <value>display@1:3,0,1,4</value>
+      <value>display@0:0,0,1,4</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>grid</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0</value>
+    </param>
+    <param>
+      <key>legend</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>"blue"</value>
     </param>
     <param>
       <key>label1</key>
       <value></value>
     </param>
     <param>
-      <key>color1</key>
-      <value>0</value>
+      <key>width1</key>
+      <value>1</value>
     </param>
     <param>
-      <key>alpha1</key>
+      <key>alpha10</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label2</key>
+      <key>color10</key>
+      <value>"dark blue"</value>
+    </param>
+    <param>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>color2</key>
-      <value>0</value>
+      <key>width10</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha2</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label3</key>
+      <key>color2</key>
+      <value>"red"</value>
+    </param>
+    <param>
+      <key>label2</key>
       <value></value>
     </param>
     <param>
-      <key>color3</key>
-      <value>0</value>
+      <key>width2</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha3</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label4</key>
+      <key>color3</key>
+      <value>"green"</value>
+    </param>
+    <param>
+      <key>label3</key>
       <value></value>
     </param>
     <param>
-      <key>color4</key>
-      <value>0</value>
+      <key>width3</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha4</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label5</key>
+      <key>color4</key>
+      <value>"black"</value>
+    </param>
+    <param>
+      <key>label4</key>
       <value></value>
     </param>
     <param>
-      <key>color5</key>
-      <value>0</value>
+      <key>width4</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha5</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label6</key>
+      <key>color5</key>
+      <value>"cyan"</value>
+    </param>
+    <param>
+      <key>label5</key>
       <value></value>
     </param>
     <param>
-      <key>color6</key>
-      <value>0</value>
+      <key>width5</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha6</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label7</key>
+      <key>color6</key>
+      <value>"magenta"</value>
+    </param>
+    <param>
+      <key>label6</key>
       <value></value>
     </param>
     <param>
-      <key>color7</key>
-      <value>0</value>
+      <key>width6</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha7</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label8</key>
+      <key>color7</key>
+      <value>"yellow"</value>
+    </param>
+    <param>
+      <key>label7</key>
       <value></value>
     </param>
     <param>
-      <key>color8</key>
-      <value>0</value>
+      <key>width7</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha8</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label9</key>
+      <key>color8</key>
+      <value>"dark red"</value>
+    </param>
+    <param>
+      <key>label8</key>
       <value></value>
     </param>
     <param>
-      <key>color9</key>
-      <value>0</value>
+      <key>width8</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha9</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label10</key>
+      <key>color9</key>
+      <value>"dark green"</value>
+    </param>
+    <param>
+      <key>label9</key>
       <value></value>
     </param>
     <param>
-      <key>color10</key>
+      <key>width9</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>alpha10</key>
-      <value>1.0</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>name</key>
+      <value>Spectrum</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>nconnections</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(325, 328)</value>
+      <key>showports</key>
+      <value>False</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>freqhalf</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>tr_chan</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>qtgui_freq_sink_x</key>
     <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0</value>
+      <key>tr_level</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>tr_tag</key>
+      <value>""</value>
     </param>
     <param>
-      <key>name</key>
-      <value>Spectrum</value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>fftsize</key>
-      <value>1024</value>
+      <key>update_time</key>
+      <value>update_rate</value>
     </param>
     <param>
       <key>wintype</key>
       <value>firdes.WIN_BLACKMAN_hARRIS</value>
     </param>
     <param>
-      <key>fc</key>
-      <value>freq</value>
+      <key>ymax</key>
+      <value>10</value>
     </param>
     <param>
-      <key>bw</key>
-      <value>samp_rate</value>
+      <key>ymin</key>
+      <value>-140</value>
     </param>
+  </block>
+  <block>
+    <key>qtgui_time_sink_x</key>
     <param>
       <key>autoscale</key>
       <value>True</value>
     </param>
     <param>
-      <key>average</key>
-      <value>1.0</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>ymin</key>
-      <value>-140</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>ymax</key>
-      <value>10</value>
+      <key>ctrlpanel</key>
+      <value>True</value>
     </param>
     <param>
-      <key>nconnections</key>
-      <value>1</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
+      <key>entags</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(333, 436)</value>
     </param>
     <param>
       <key>gui_hint</key>
-      <value>display@0:3,0,1,4</value>
+      <value>display@2:0,0,1,4</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>grid</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>qtgui_time_sink_x_0</value>
+    </param>
+    <param>
+      <key>legend</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>"blue"</value>
     </param>
     <param>
       <key>label1</key>
       <value></value>
     </param>
     <param>
-      <key>width1</key>
+      <key>marker1</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style1</key>
       <value>1</value>
     </param>
     <param>
-      <key>color1</key>
-      <value>"blue"</value>
+      <key>width1</key>
+      <value>1</value>
     </param>
     <param>
-      <key>alpha1</key>
+      <key>alpha10</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label2</key>
+      <key>color10</key>
+      <value>"blue"</value>
+    </param>
+    <param>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>width2</key>
+      <key>marker10</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style10</key>
       <value>1</value>
     </param>
     <param>
-      <key>color2</key>
-      <value>"red"</value>
+      <key>width10</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha2</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label3</key>
+      <key>color2</key>
+      <value>"red"</value>
+    </param>
+    <param>
+      <key>label2</key>
       <value></value>
     </param>
     <param>
-      <key>width3</key>
+      <key>marker2</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style2</key>
       <value>1</value>
     </param>
     <param>
-      <key>color3</key>
-      <value>"green"</value>
+      <key>width2</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha3</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label4</key>
+      <key>color3</key>
+      <value>"green"</value>
+    </param>
+    <param>
+      <key>label3</key>
       <value></value>
     </param>
     <param>
-      <key>width4</key>
+      <key>marker3</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style3</key>
       <value>1</value>
     </param>
     <param>
-      <key>color4</key>
-      <value>"black"</value>
+      <key>width3</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha4</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label5</key>
+      <key>color4</key>
+      <value>"black"</value>
+    </param>
+    <param>
+      <key>label4</key>
       <value></value>
     </param>
     <param>
-      <key>width5</key>
+      <key>marker4</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style4</key>
       <value>1</value>
     </param>
     <param>
-      <key>color5</key>
-      <value>"cyan"</value>
+      <key>width4</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha5</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label6</key>
+      <key>color5</key>
+      <value>"cyan"</value>
+    </param>
+    <param>
+      <key>label5</key>
       <value></value>
     </param>
     <param>
-      <key>width6</key>
+      <key>marker5</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style5</key>
       <value>1</value>
     </param>
     <param>
-      <key>color6</key>
-      <value>"magenta"</value>
+      <key>width5</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha6</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label7</key>
+      <key>color6</key>
+      <value>"magenta"</value>
+    </param>
+    <param>
+      <key>label6</key>
       <value></value>
     </param>
     <param>
-      <key>width7</key>
+      <key>marker6</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style6</key>
       <value>1</value>
     </param>
     <param>
-      <key>color7</key>
-      <value>"yellow"</value>
+      <key>width6</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha7</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label8</key>
+      <key>color7</key>
+      <value>"yellow"</value>
+    </param>
+    <param>
+      <key>label7</key>
       <value></value>
     </param>
     <param>
-      <key>width8</key>
+      <key>marker7</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style7</key>
       <value>1</value>
     </param>
     <param>
-      <key>color8</key>
-      <value>"dark red"</value>
+      <key>width7</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha8</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label9</key>
+      <key>color8</key>
+      <value>"dark red"</value>
+    </param>
+    <param>
+      <key>label8</key>
       <value></value>
     </param>
     <param>
-      <key>width9</key>
+      <key>marker8</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style8</key>
       <value>1</value>
     </param>
     <param>
-      <key>color9</key>
-      <value>"dark green"</value>
+      <key>width8</key>
+      <value>1</value>
     </param>
     <param>
       <key>alpha9</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>label10</key>
+      <key>color9</key>
+      <value>"dark green"</value>
+    </param>
+    <param>
+      <key>label9</key>
       <value></value>
     </param>
     <param>
-      <key>width10</key>
+      <key>marker9</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style9</key>
       <value>1</value>
     </param>
     <param>
-      <key>color10</key>
-      <value>"dark blue"</value>
+      <key>width9</key>
+      <value>1</value>
     </param>
     <param>
-      <key>alpha10</key>
-      <value>1.0</value>
+      <key>name</key>
+      <value>QT GUI Plot</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>nconnections</key>
+      <value>1</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>size</key>
+      <value>1024</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(311, 217)</value>
+      <key>srate</key>
+      <value>samp_rate_</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>tr_chan</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>uhd_usrp_source</key>
     <param>
-      <key>id</key>
-      <value>uhd_usrp_source_0</value>
+      <key>tr_delay</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>tr_level</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>fc32</value>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
     </param>
     <param>
-      <key>otw</key>
-      <value></value>
+      <key>tr_slope</key>
+      <value>qtgui.TRIG_SLOPE_POS</value>
     </param>
     <param>
-      <key>stream_args</key>
-      <value></value>
+      <key>tr_tag</key>
+      <value>""</value>
     </param>
     <param>
-      <key>stream_chans</key>
-      <value>[]</value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>dev_addr</key>
-      <value>address</value>
+      <key>update_time</key>
+      <value>update_rate</value>
     </param>
     <param>
-      <key>dev_args</key>
-      <value>""</value>
+      <key>ylabel</key>
+      <value>Amplitude</value>
     </param>
     <param>
-      <key>sync</key>
-      <value></value>
+      <key>yunit</key>
+      <value>""</value>
     </param>
     <param>
-      <key>clock_rate</key>
-      <value>0.0</value>
+      <key>ymax</key>
+      <value>1</value>
     </param>
     <param>
-      <key>num_mboards</key>
-      <value>1</value>
+      <key>ymin</key>
+      <value>-1</value>
     </param>
+  </block>
+  <block>
+    <key>qtgui_waterfall_sink_x</key>
     <param>
-      <key>clock_source0</key>
-      <value></value>
+      <key>bw</key>
+      <value>samp_rate_</value>
     </param>
     <param>
-      <key>time_source0</key>
+      <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>sd_spec0</key>
-      <value></value>
+      <key>fc</key>
+      <value>freq</value>
     </param>
     <param>
-      <key>clock_source1</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>time_source1</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>sd_spec1</key>
-      <value></value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>clock_source2</key>
-      <value></value>
+      <key>fftsize</key>
+      <value>1024</value>
     </param>
     <param>
-      <key>time_source2</key>
-      <value></value>
+      <key>_coordinate</key>
+      <value>(325, 328)</value>
     </param>
     <param>
-      <key>sd_spec2</key>
-      <value></value>
+      <key>gui_hint</key>
+      <value>display@1:0,0,1,4</value>
     </param>
     <param>
-      <key>clock_source3</key>
-      <value></value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>time_source3</key>
-      <value></value>
+      <key>grid</key>
+      <value>False</value>
     </param>
     <param>
-      <key>sd_spec3</key>
-      <value></value>
+      <key>id</key>
+      <value>qtgui_waterfall_sink_x_0</value>
     </param>
     <param>
-      <key>clock_source4</key>
-      <value></value>
+      <key>int_max</key>
+      <value>10</value>
     </param>
     <param>
-      <key>time_source4</key>
-      <value></value>
+      <key>int_min</key>
+      <value>-140</value>
     </param>
     <param>
-      <key>sd_spec4</key>
-      <value></value>
+      <key>legend</key>
+      <value>True</value>
     </param>
     <param>
-      <key>clock_source5</key>
-      <value></value>
+      <key>alpha1</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>time_source5</key>
-      <value></value>
+      <key>color1</key>
+      <value>0</value>
     </param>
     <param>
-      <key>sd_spec5</key>
+      <key>label1</key>
       <value></value>
     </param>
     <param>
-      <key>clock_source6</key>
-      <value></value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>time_source6</key>
-      <value></value>
+      <key>color10</key>
+      <value>0</value>
     </param>
     <param>
-      <key>sd_spec6</key>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>clock_source7</key>
-      <value></value>
+      <key>alpha2</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>time_source7</key>
-      <value></value>
+      <key>color2</key>
+      <value>0</value>
     </param>
     <param>
-      <key>sd_spec7</key>
+      <key>label2</key>
       <value></value>
     </param>
     <param>
-      <key>nchan</key>
-      <value>1</value>
+      <key>alpha3</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
+      <key>color3</key>
+      <value>0</value>
     </param>
     <param>
-      <key>center_freq0</key>
-      <value>freq</value>
+      <key>label3</key>
+      <value></value>
     </param>
     <param>
-      <key>gain0</key>
-      <value>gain</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>ant0</key>
-      <value>ant</value>
+      <key>color4</key>
+      <value>0</value>
     </param>
     <param>
-      <key>bw0</key>
-      <value>samp_rate</value>
+      <key>label4</key>
+      <value></value>
     </param>
     <param>
-      <key>center_freq1</key>
-      <value>0</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>gain1</key>
+      <key>color5</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant1</key>
+      <key>label5</key>
       <value></value>
     </param>
     <param>
-      <key>bw1</key>
-      <value>0</value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>center_freq2</key>
+      <key>color6</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain2</key>
+      <key>label6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alpha7</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color7</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant2</key>
+      <key>label7</key>
       <value></value>
     </param>
     <param>
-      <key>bw2</key>
-      <value>0</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>center_freq3</key>
+      <key>color8</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain3</key>
+      <key>label8</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alpha9</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color9</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant3</key>
+      <key>label9</key>
       <value></value>
     </param>
     <param>
-      <key>bw3</key>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>center_freq4</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain4</key>
-      <value>0</value>
+      <key>name</key>
+      <value>Scope</value>
     </param>
     <param>
-      <key>ant4</key>
+      <key>nconnections</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>showports</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>freqhalf</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>update_rate</value>
+    </param>
+    <param>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+    </param>
+  </block>
+  <block>
+    <key>parameter</key>
+    <param>
+      <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>bw4</key>
-      <value>0</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>center_freq5</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>gain5</key>
+      <key>_coordinate</key>
+      <value>(352, -5)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant5</key>
+      <key>id</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Sample Rate</value>
+    </param>
+    <param>
+      <key>short_id</key>
+      <value>s</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>eng_float</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>1e6</value>
+    </param>
+  </block>
+  <block>
+    <key>parameter</key>
+    <param>
+      <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>bw5</key>
-      <value>0</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>center_freq6</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>gain6</key>
+      <key>_coordinate</key>
+      <value>(888, -13)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant6</key>
+      <key>id</key>
+      <value>spec</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Subdev</value>
+    </param>
+    <param>
+      <key>short_id</key>
       <value></value>
     </param>
     <param>
-      <key>bw6</key>
-      <value>0</value>
+      <key>type</key>
+      <value>string</value>
     </param>
     <param>
-      <key>center_freq7</key>
-      <value>0</value>
+      <key>value</key>
+      <value></value>
     </param>
+  </block>
+  <block>
+    <key>parameter</key>
     <param>
-      <key>gain7</key>
-      <value>0</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>ant7</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>bw7</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>center_freq8</key>
-      <value>0</value>
+      <key>_coordinate</key>
+      <value>(176, 115)</value>
     </param>
     <param>
-      <key>gain8</key>
+      <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant8</key>
+      <key>id</key>
+      <value>stream_args</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Set additional stream args</value>
+    </param>
+    <param>
+      <key>short_id</key>
       <value></value>
     </param>
     <param>
-      <key>bw8</key>
-      <value>0</value>
+      <key>type</key>
+      <value>string</value>
     </param>
     <param>
-      <key>center_freq9</key>
-      <value>0</value>
+      <key>value</key>
+      <value></value>
     </param>
+  </block>
+  <block>
+    <key>uhd_usrp_source</key>
     <param>
-      <key>gain9</key>
-      <value>0</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>ant9</key>
+      <key>ant0</key>
+      <value>ant</value>
+    </param>
+    <param>
+      <key>bw0</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>center_freq0</key>
+      <value>float(freq_c)</value>
+    </param>
+    <param>
+      <key>norm_gain0</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain0</key>
+      <value>gain_</value>
+    </param>
+    <param>
+      <key>ant10</key>
       <value></value>
     </param>
     <param>
-      <key>bw9</key>
+      <key>bw10</key>
       <value>0</value>
     </param>
     <param>
@@ -1373,15 +1922,19 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain10</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain10</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant10</key>
+      <key>ant11</key>
       <value></value>
     </param>
     <param>
-      <key>bw10</key>
+      <key>bw11</key>
       <value>0</value>
     </param>
     <param>
@@ -1389,15 +1942,19 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain11</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain11</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant11</key>
+      <key>ant12</key>
       <value></value>
     </param>
     <param>
-      <key>bw11</key>
+      <key>bw12</key>
       <value>0</value>
     </param>
     <param>
@@ -1405,15 +1962,19 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain12</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain12</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant12</key>
+      <key>ant13</key>
       <value></value>
     </param>
     <param>
-      <key>bw12</key>
+      <key>bw13</key>
       <value>0</value>
     </param>
     <param>
@@ -1421,15 +1982,19 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain13</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain13</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant13</key>
+      <key>ant14</key>
       <value></value>
     </param>
     <param>
-      <key>bw13</key>
+      <key>bw14</key>
       <value>0</value>
     </param>
     <param>
@@ -1437,15 +2002,19 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain14</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain14</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant14</key>
+      <key>ant15</key>
       <value></value>
     </param>
     <param>
-      <key>bw14</key>
+      <key>bw15</key>
       <value>0</value>
     </param>
     <param>
@@ -1453,15 +2022,19 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain15</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain15</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant15</key>
+      <key>ant16</key>
       <value></value>
     </param>
     <param>
-      <key>bw15</key>
+      <key>bw16</key>
       <value>0</value>
     </param>
     <param>
@@ -1469,15 +2042,19 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain16</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain16</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant16</key>
+      <key>ant17</key>
       <value></value>
     </param>
     <param>
-      <key>bw16</key>
+      <key>bw17</key>
       <value>0</value>
     </param>
     <param>
@@ -1485,15 +2062,19 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain17</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain17</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant17</key>
+      <key>ant18</key>
       <value></value>
     </param>
     <param>
-      <key>bw17</key>
+      <key>bw18</key>
       <value>0</value>
     </param>
     <param>
@@ -1501,15 +2082,19 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain18</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain18</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant18</key>
+      <key>ant19</key>
       <value></value>
     </param>
     <param>
-      <key>bw18</key>
+      <key>bw19</key>
       <value>0</value>
     </param>
     <param>
@@ -1517,23 +2102,31 @@
       <value>0</value>
     </param>
     <param>
+      <key>norm_gain19</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>gain19</key>
       <value>0</value>
     </param>
     <param>
-      <key>ant19</key>
+      <key>ant1</key>
       <value></value>
     </param>
     <param>
-      <key>bw19</key>
+      <key>bw1</key>
       <value>0</value>
     </param>
     <param>
-      <key>center_freq20</key>
+      <key>center_freq1</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain20</key>
+      <key>norm_gain1</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain1</key>
       <value>0</value>
     </param>
     <param>
@@ -1545,11 +2138,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq21</key>
+      <key>center_freq20</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain21</key>
+      <key>norm_gain20</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain20</key>
       <value>0</value>
     </param>
     <param>
@@ -1561,11 +2158,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq22</key>
+      <key>center_freq21</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain22</key>
+      <key>norm_gain21</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain21</key>
       <value>0</value>
     </param>
     <param>
@@ -1577,11 +2178,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq23</key>
+      <key>center_freq22</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain23</key>
+      <key>norm_gain22</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain22</key>
       <value>0</value>
     </param>
     <param>
@@ -1593,11 +2198,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq24</key>
+      <key>center_freq23</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain24</key>
+      <key>norm_gain23</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain23</key>
       <value>0</value>
     </param>
     <param>
@@ -1609,11 +2218,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq25</key>
+      <key>center_freq24</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain25</key>
+      <key>norm_gain24</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain24</key>
       <value>0</value>
     </param>
     <param>
@@ -1625,11 +2238,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq26</key>
+      <key>center_freq25</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain26</key>
+      <key>norm_gain25</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain25</key>
       <value>0</value>
     </param>
     <param>
@@ -1641,11 +2258,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq27</key>
+      <key>center_freq26</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain27</key>
+      <key>norm_gain26</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain26</key>
       <value>0</value>
     </param>
     <param>
@@ -1657,11 +2278,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq28</key>
+      <key>center_freq27</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain28</key>
+      <key>norm_gain27</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain27</key>
       <value>0</value>
     </param>
     <param>
@@ -1673,11 +2298,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq29</key>
+      <key>center_freq28</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain29</key>
+      <key>norm_gain28</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain28</key>
       <value>0</value>
     </param>
     <param>
@@ -1689,11 +2318,35 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq30</key>
+      <key>center_freq29</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain30</key>
+      <key>norm_gain29</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain29</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw2</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq2</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain2</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain2</key>
       <value>0</value>
     </param>
     <param>
@@ -1705,11 +2358,15 @@
       <value>0</value>
     </param>
     <param>
-      <key>center_freq31</key>
+      <key>center_freq30</key>
       <value>0</value>
     </param>
     <param>
-      <key>gain31</key>
+      <key>norm_gain30</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain30</key>
       <value>0</value>
     </param>
     <param>
@@ -1721,380 +2378,443 @@
       <value>0</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>center_freq31</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>norm_gain31</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain31</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant3</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
+      <key>bw3</key>
       <value>0</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
+      <key>center_freq3</key>
       <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(33, 295)</value>
+      <key>norm_gain3</key>
+      <value>False</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>gain3</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>qtgui_time_sink_x</key>
     <param>
-      <key>id</key>
-      <value>qtgui_time_sink_x_0</value>
+      <key>ant4</key>
+      <value></value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>bw4</key>
+      <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>center_freq4</key>
+      <value>0</value>
     </param>
     <param>
-      <key>name</key>
-      <value>QT GUI Plot</value>
+      <key>norm_gain4</key>
+      <value>False</value>
     </param>
     <param>
-      <key>size</key>
-      <value>1024</value>
+      <key>gain4</key>
+      <value>0</value>
     </param>
     <param>
-      <key>srate</key>
-      <value>samp_rate</value>
+      <key>ant5</key>
+      <value></value>
     </param>
     <param>
-      <key>autoscale</key>
-      <value>True</value>
+      <key>bw5</key>
+      <value>0</value>
     </param>
     <param>
-      <key>ymin</key>
-      <value>-1</value>
+      <key>center_freq5</key>
+      <value>0</value>
     </param>
     <param>
-      <key>ymax</key>
-      <value>1</value>
+      <key>norm_gain5</key>
+      <value>False</value>
     </param>
     <param>
-      <key>nconnections</key>
-      <value>1</value>
+      <key>gain5</key>
+      <value>0</value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
+      <key>ant6</key>
+      <value></value>
     </param>
     <param>
-      <key>entags</key>
-      <value>True</value>
+      <key>bw6</key>
+      <value>0</value>
     </param>
     <param>
-      <key>gui_hint</key>
-      <value>display@2:3,0,1,4</value>
+      <key>center_freq6</key>
+      <value>0</value>
     </param>
     <param>
-      <key>tr_mode</key>
-      <value>qtgui.TRIG_MODE_FREE</value>
+      <key>norm_gain6</key>
+      <value>False</value>
     </param>
     <param>
-      <key>tr_slope</key>
-      <value>qtgui.TRIG_SLOPE_POS</value>
+      <key>gain6</key>
+      <value>0</value>
     </param>
     <param>
-      <key>tr_level</key>
-      <value>0.0</value>
+      <key>ant7</key>
+      <value></value>
     </param>
     <param>
-      <key>tr_delay</key>
+      <key>bw7</key>
       <value>0</value>
     </param>
     <param>
-      <key>tr_chan</key>
+      <key>center_freq7</key>
       <value>0</value>
     </param>
     <param>
-      <key>tr_tag</key>
-      <value>""</value>
+      <key>norm_gain7</key>
+      <value>False</value>
     </param>
     <param>
-      <key>label1</key>
-      <value></value>
+      <key>gain7</key>
+      <value>0</value>
     </param>
     <param>
-      <key>width1</key>
-      <value>1</value>
+      <key>ant8</key>
+      <value></value>
     </param>
     <param>
-      <key>color1</key>
-      <value>"blue"</value>
+      <key>bw8</key>
+      <value>0</value>
     </param>
     <param>
-      <key>style1</key>
-      <value>1</value>
+      <key>center_freq8</key>
+      <value>0</value>
     </param>
     <param>
-      <key>marker1</key>
-      <value>-1</value>
+      <key>norm_gain8</key>
+      <value>False</value>
     </param>
     <param>
-      <key>alpha1</key>
-      <value>1.0</value>
+      <key>gain8</key>
+      <value>0</value>
     </param>
     <param>
-      <key>label2</key>
+      <key>ant9</key>
       <value></value>
     </param>
     <param>
-      <key>width2</key>
-      <value>1</value>
+      <key>bw9</key>
+      <value>0</value>
     </param>
     <param>
-      <key>color2</key>
-      <value>"red"</value>
+      <key>center_freq9</key>
+      <value>0</value>
     </param>
     <param>
-      <key>style2</key>
-      <value>1</value>
+      <key>norm_gain9</key>
+      <value>False</value>
     </param>
     <param>
-      <key>marker2</key>
-      <value>-1</value>
+      <key>gain9</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alpha2</key>
-      <value>1.0</value>
+      <key>clock_rate</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>label3</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>width3</key>
-      <value>1</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>color3</key>
-      <value>"green"</value>
+      <key>dev_addr</key>
+      <value>args</value>
     </param>
     <param>
-      <key>style3</key>
-      <value>1</value>
+      <key>dev_args</key>
+      <value>""</value>
     </param>
     <param>
-      <key>marker3</key>
-      <value>-1</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>alpha3</key>
-      <value>1.0</value>
+      <key>_coordinate</key>
+      <value>(64, 299)</value>
     </param>
     <param>
-      <key>label4</key>
-      <value></value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>width4</key>
-      <value>1</value>
+      <key>id</key>
+      <value>uhd_usrp_source_0</value>
     </param>
     <param>
-      <key>color4</key>
-      <value>"black"</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>style4</key>
-      <value>1</value>
+      <key>clock_source0</key>
+      <value></value>
     </param>
     <param>
-      <key>marker4</key>
-      <value>-1</value>
+      <key>sd_spec0</key>
+      <value>spec</value>
     </param>
     <param>
-      <key>alpha4</key>
-      <value>1.0</value>
+      <key>time_source0</key>
+      <value></value>
     </param>
     <param>
-      <key>label5</key>
+      <key>clock_source1</key>
       <value></value>
     </param>
     <param>
-      <key>width5</key>
-      <value>1</value>
+      <key>sd_spec1</key>
+      <value></value>
     </param>
     <param>
-      <key>color5</key>
-      <value>"cyan"</value>
+      <key>time_source1</key>
+      <value></value>
     </param>
     <param>
-      <key>style5</key>
-      <value>1</value>
+      <key>clock_source2</key>
+      <value></value>
     </param>
     <param>
-      <key>marker5</key>
-      <value>-1</value>
+      <key>sd_spec2</key>
+      <value></value>
     </param>
     <param>
-      <key>alpha5</key>
-      <value>1.0</value>
+      <key>time_source2</key>
+      <value></value>
     </param>
     <param>
-      <key>label6</key>
+      <key>clock_source3</key>
       <value></value>
     </param>
     <param>
-      <key>width6</key>
-      <value>1</value>
+      <key>sd_spec3</key>
+      <value></value>
     </param>
     <param>
-      <key>color6</key>
-      <value>"magenta"</value>
+      <key>time_source3</key>
+      <value></value>
     </param>
     <param>
-      <key>style6</key>
-      <value>1</value>
+      <key>clock_source4</key>
+      <value></value>
     </param>
     <param>
-      <key>marker6</key>
-      <value>-1</value>
+      <key>sd_spec4</key>
+      <value></value>
     </param>
     <param>
-      <key>alpha6</key>
-      <value>1.0</value>
+      <key>time_source4</key>
+      <value></value>
     </param>
     <param>
-      <key>label7</key>
+      <key>clock_source5</key>
       <value></value>
     </param>
     <param>
-      <key>width7</key>
-      <value>1</value>
+      <key>sd_spec5</key>
+      <value></value>
     </param>
     <param>
-      <key>color7</key>
-      <value>"yellow"</value>
+      <key>time_source5</key>
+      <value></value>
     </param>
     <param>
-      <key>style7</key>
-      <value>1</value>
+      <key>clock_source6</key>
+      <value></value>
     </param>
     <param>
-      <key>marker7</key>
-      <value>-1</value>
+      <key>sd_spec6</key>
+      <value></value>
     </param>
     <param>
-      <key>alpha7</key>
-      <value>1.0</value>
+      <key>time_source6</key>
+      <value></value>
     </param>
     <param>
-      <key>label8</key>
+      <key>clock_source7</key>
       <value></value>
     </param>
     <param>
-      <key>width8</key>
-      <value>1</value>
+      <key>sd_spec7</key>
+      <value></value>
     </param>
     <param>
-      <key>color8</key>
-      <value>"dark red"</value>
+      <key>time_source7</key>
+      <value></value>
     </param>
     <param>
-      <key>style8</key>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>nchan</key>
       <value>1</value>
     </param>
     <param>
-      <key>marker8</key>
-      <value>-1</value>
+      <key>num_mboards</key>
+      <value>1</value>
     </param>
     <param>
-      <key>alpha8</key>
-      <value>1.0</value>
+      <key>type</key>
+      <value>fc32</value>
     </param>
     <param>
-      <key>label9</key>
-      <value></value>
+      <key>samp_rate</key>
+      <value>samp_rate_</value>
     </param>
     <param>
-      <key>width9</key>
-      <value>1</value>
+      <key>stream_args</key>
+      <value>stream_args</value>
     </param>
     <param>
-      <key>color9</key>
-      <value>"dark green"</value>
+      <key>stream_chans</key>
+      <value>[]</value>
     </param>
     <param>
-      <key>style9</key>
-      <value>1</value>
+      <key>sync</key>
+      <value></value>
     </param>
     <param>
-      <key>marker9</key>
-      <value>-1</value>
+      <key>otw</key>
+      <value>wire_format</value>
     </param>
+  </block>
+  <block>
+    <key>parameter</key>
     <param>
-      <key>alpha9</key>
-      <value>1.0</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>label10</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>width10</key>
-      <value>1</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>color10</key>
-      <value>"blue"</value>
+      <key>_coordinate</key>
+      <value>(1104, 107)</value>
     </param>
     <param>
-      <key>style10</key>
-      <value>1</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>marker10</key>
-      <value>-1</value>
+      <key>id</key>
+      <value>update_rate</value>
     </param>
     <param>
-      <key>alpha10</key>
-      <value>1.0</value>
+      <key>label</key>
+      <value>Set GUI widget update rate</value>
+    </param>
+    <param>
+      <key>short_id</key>
+      <value></value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>eng_float</value>
     </param>
     <param>
+      <key>value</key>
+      <value>.1</value>
+    </param>
+  </block>
+  <block>
+    <key>parameter</key>
+    <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(333, 436)</value>
+      <value>(984, -5)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>wire_format</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Wire format</value>
+    </param>
+    <param>
+      <key>short_id</key>
+      <value></value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>string</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value></value>
+    </param>
   </block>
   <connection>
+    <source_block_id>qtgui_freq_sink_x_0</source_block_id>
+    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
+    <source_key>freq</source_key>
+    <sink_key>freq</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>qtgui_freq_sink_x_0</source_block_id>
+    <sink_block_id>uhd_usrp_source_0</sink_block_id>
+    <source_key>freq</source_key>
+    <sink_key>command</sink_key>
+  </connection>
+  <connection>
     <source_block_id>uhd_usrp_source_0</source_block_id>
-    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
+    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
     <source_block_id>uhd_usrp_source_0</source_block_id>
-    <sink_block_id>qtgui_waterfall_sink_x_0</sink_block_id>
+    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
     <source_block_id>uhd_usrp_source_0</source_block_id>
-    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
+    <sink_block_id>qtgui_waterfall_sink_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
author	Martin Braun <martin.braun@ettus.com>	2015-06-18 18:29:24 -0700
committer	Martin Braun <martin.braun@ettus.com>	2015-06-22 15:12:18 -0700
commit	f23cbc6a3f52210c7a4728001f895cec98cd218c (patch)
tree	12a676fac1a1a320c201e4533dfb18a4e17643c5 /gr-uhd/examples/grc
parent	d5cea6e44e29db6b62fabe2b1e5ec16e91b41e68 (diff)