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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Frequency Xlating Filter
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Frequency Xlating FIR Filter</name>
   9         <key>gr_freq_xlating_fir_filter_xxx</key>
  10         <import>from gnuradio import gr</import>
  11         <import>from gnuradio.gr import firdes</import>
  12         <make>gr.freq_xlating_fir_filter_$(type)($decim, $taps, $center_freq, $samp_rate)</make>
  13         <callback>set_taps($taps)</callback>
  14         <callback>set_center_freq($center_freq)</callback>
  15         <param>
  16                 <name>Type</name>
  17                 <key>type</key>
  18                 <type>enum</type>
  19                 <option>
  20                         <name>Complex->Complex (Complex Taps)</name>
  21                         <key>ccc</key>
  22                         <opt>input:complex</opt>
  23                         <opt>output:complex</opt>
  24                         <opt>taps:complex_vector</opt>
  25                 </option>
  26                 <option>
  27                         <name>Complex->Complex (Real Taps)</name>
  28                         <key>ccf</key>
  29                         <opt>input:complex</opt>
  30                         <opt>output:complex</opt>
  31                         <opt>taps:real_vector</opt>
  32                 </option>
  33                 <option>
  34                         <name>Float->Complex (Complex Taps)</name>
  35                         <key>fcc</key>
  36                         <opt>input:float</opt>
  37                         <opt>output:complex</opt>
  38                         <opt>taps:complex_vector</opt>
  39                 </option>
  40                 <option>
  41                         <name>Float->Complex (Real Taps)</name>
  42                         <key>fcf</key>
  43                         <opt>input:float</opt>
  44                         <opt>output:complex</opt>
  45                         <opt>taps:real_vector</opt>
  46                 </option>
  47                 <option>
  48                         <name>Short->Complex (Complex Taps)</name>
  49                         <key>scc</key>
  50                         <opt>input:short</opt>
  51                         <opt>output:complex</opt>
  52                         <opt>taps:complex_vector</opt>
  53                 </option>
  54                 <option>
  55                         <name>Short->Complex (Real Taps)</name>
  56                         <key>scf</key>
  57                         <opt>input:short</opt>
  58                         <opt>output:complex</opt>
  59                         <opt>taps:real_vector</opt>
  60                 </option>
  61         </param>
  62         <param>
  63                 <name>Decimation</name>
  64                 <key>decim</key>
  65                 <value>1</value>
  66                 <type>int</type>
  67         </param>
  68         <param>
  69                 <name>Taps</name>
  70                 <key>taps</key>
  71                 <type>$type.taps</type>
  72         </param>
  73         <param>
  74                 <name>Center Frequency</name>
  75                 <key>center_freq</key>
  76                 <value>0</value>
  77                 <type>real</type>
  78         </param>
  79         <param>
  80                 <name>Sample Rate</name>
  81                 <key>samp_rate</key>
  82                 <value>samp_rate</value>
  83                 <type>real</type>
  84         </param>
  85         <sink>
  86                 <name>in</name>
  87                 <type>$type.input</type>
  88         </sink>
  89         <source>
  90                 <name>out</name>
  91                 <type>$type.output</type>
  92         </source>
  93 </block>