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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Variable Sink: Custom blks2 block
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Variable Sink</name>
   9         <key>blks2_variable_sink_x</key>
  10         <import>from grc_gnuradio import blks2 as grc_blks2</import>
  11         <make>grc_blks2.variable_sink_$(type.fcn)(
  12         vlen=$vlen,
  13         decim=$decim,
  14         callback=self.set_$(variable()),
  15 )</make>
  16         <callback>set_decim($decim)</callback>
  17         <param>
  18                 <name>Type</name>
  19                 <key>type</key>
  20                 <type>enum</type>
  21                 <option>
  22                         <name>Complex</name>
  23                         <key>complex</key>
  24                         <opt>fcn:c</opt>
  25                 </option>
  26                 <option>
  27                         <name>Float</name>
  28                         <key>float</key>
  29                         <opt>fcn:f</opt>
  30                 </option>
  31                 <option>
  32                         <name>Int</name>
  33                         <key>int</key>
  34                         <opt>fcn:i</opt>
  35                 </option>
  36                 <option>
  37                         <name>Short</name>
  38                         <key>short</key>
  39                         <opt>fcn:s</opt>
  40                 </option>
  41                 <option>
  42                         <name>Byte</name>
  43                         <key>byte</key>
  44                         <opt>fcn:b</opt>
  45                 </option>
  46         </param>
  47         <param>
  48                 <name>Variable</name>
  49                 <key>variable</key>
  50                 <value></value>
  51                 <type>string</type>
  52         </param>
  53         <param>
  54                 <name>Decimation</name>
  55                 <key>decim</key>
  56                 <value>1</value>
  57                 <type>int</type>
  58         </param>
  59         <param>
  60                 <name>Vec Length</name>
  61                 <key>vlen</key>
  62                 <value>1</value>
  63                 <type>int</type>
  64         </param>
  65         <check>$vlen &gt; 0</check>
  66         <sink>
  67                 <name>in</name>
  68                 <type>$type</type>
  69                 <vlen>$vlen</vlen>
  70         </sink>
  71         <doc>
  72 Read samples from the input stream and \
  73 write one in every decimation samples to the variable.
  74
  75 The variable must be the id of an existing variable block.
  76         </doc>
  77 </block>