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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>variable_sink</key>
  10         <import>from grc_gnuradio import blks2 as grc_blks2</import>
  11         <make>grc_blks2.queue_sink_$(type.fcn)($vlen)
  12 grc_blks2.queue_sink_thread(self.$id, self.set_$(variable))</make>
  13         <param>
  14                 <name>Type</name>
  15                 <key>type</key>
  16                 <type>enum</type>
  17                 <option>
  18                         <name>Complex</name>
  19                         <key>complex</key>
  20                         <opt>fcn:c</opt>
  21                 </option>
  22                 <option>
  23                         <name>Float</name>
  24                         <key>float</key>
  25                         <opt>fcn:f</opt>
  26                 </option>
  27                 <option>
  28                         <name>Int</name>
  29                         <key>int</key>
  30                         <opt>fcn:i</opt>
  31                 </option>
  32                 <option>
  33                         <name>Short</name>
  34                         <key>short</key>
  35                         <opt>fcn:s</opt>
  36                 </option>
  37                 <option>
  38                         <name>Byte</name>
  39                         <key>byte</key>
  40                         <opt>fcn:b</opt>
  41                 </option>
  42         </param>
  43         <param>
  44                 <name>Variable</name>
  45                 <key>variable</key>
  46                 <value></value>
  47                 <type>raw</type>
  48         </param>
  49         <param>
  50                 <name>Vec Length</name>
  51                 <key>vlen</key>
  52                 <value>1</value>
  53                 <type>int</type>
  54         </param>
  55         <check>$vlen &gt; 0</check>
  56         <sink>
  57                 <name>in</name>
  58                 <type>$type</type>
  59                 <vlen>$vlen</vlen>
  60         </sink>
  61         <doc>
  62 Read samples from the input stream and write each sample to the variable.
  63
  64 The variable must be the id of an existing variable block.
  65         </doc>
  66 </block>