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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##FFT Filter
   5 ###################################################
   6  -->
   7 <block>
   8         <name>FFT Filter</name>
   9         <key>gr_fft_filter_xxx</key>
  10         <import>from gnuradio import gr</import>
  11         <import>from gnuradio.gr import firdes</import>
  12         <make>gr.fft_filter_$(type)($decim, $taps)</make>
  13         <callback>set_taps($taps)</callback>
  14         <param>
  15                 <name>Type</name>
  16                 <key>type</key>
  17                 <type>enum</type>
  18                 <option>
  19                         <name>Complex->Complex (Complex Taps)</name>
  20                         <key>ccc</key>
  21                         <opt>input:complex</opt>
  22                         <opt>output:complex</opt>
  23                         <opt>taps:complex_vector</opt>
  24                 </option>
  25                 <option>
  26                         <name>Float->Float (Real Taps)</name>
  27                         <key>fff</key>
  28                         <opt>input:float</opt>
  29                         <opt>output:float</opt>
  30                         <opt>taps:real_vector</opt>
  31                 </option>
  32         </param>
  33         <param>
  34                 <name>Decimation</name>
  35                 <key>decim</key>
  36                 <value>1</value>
  37                 <type>int</type>
  38         </param>
  39         <param>
  40                 <name>Taps</name>
  41                 <key>taps</key>
  42                 <type>$type.taps</type>
  43         </param>
  44         <sink>
  45                 <name>in</name>
  46                 <type>$type.input</type>
  47         </sink>
  48         <source>
  49                 <name>out</name>
  50                 <type>$type.output</type>
  51         </source>
  52 </block>