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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Peak Detector
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Peak Detector</name>
   9         <key>gr_peak_detector_xb</key>
  10         <import>from gnuradio import gr</import>
  11         <make>gr.peak_detector_$(type.fcn)b($threshold_factor_rise, $threshold_factor_fall, $look_ahead, $alpha)</make>
  12         <callback>set_threshold_factor_rise($threshold_factor_rise)</callback>
  13         <callback>set_threshold_factor_fall($threshold_factor_fall)</callback>
  14         <callback>set_look_ahead($look_ahead)</callback>
  15         <callback>set_alpha($alpha)</callback>
  16         <param>
  17                 <name>Input Type</name>
  18                 <key>type</key>
  19                 <type>enum</type>
  20                 <option>
  21                         <name>Float</name>
  22                         <key>float</key>
  23                         <opt>fcn:f</opt>
  24                 </option>
  25                 <option>
  26                         <name>Int</name>
  27                         <key>int</key>
  28                         <opt>fcn:i</opt>
  29                 </option>
  30                 <option>
  31                         <name>Short</name>
  32                         <key>short</key>
  33                         <opt>fcn:s</opt>
  34                 </option>
  35         </param>
  36         <param>
  37                 <name>TH Factor Rise</name>
  38                 <key>threshold_factor_rise</key>
  39                 <type>real</type>
  40         </param>
  41         <param>
  42                 <name>TH Factor Fall</name>
  43                 <key>threshold_factor_fall</key>
  44                 <type>real</type>
  45         </param>
  46         <param>
  47                 <name>Look Ahead</name>
  48                 <key>look_ahead</key>
  49                 <type>int</type>
  50         </param>
  51         <param>
  52                 <name>Alpha</name>
  53                 <key>alpha</key>
  54                 <type>real</type>
  55         </param>
  56         <sink>
  57                 <name>in</name>
  58                 <type>$type</type>
  59         </sink>
  60         <source>
  61                 <name>out</name>
  62                 <type>byte</type>
  63         </source>
  64 </block>