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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Unpacked to Packed
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Unpacked to Packed</name>
   9         <key>gr_unpacked_to_packed_xx</key>
  10         <import>from gnuradio import gr</import>
  11         <make>gr.unpacked_to_packed_$(type.fcn)($bits_per_chunk, $endianness)</make>
  12         <param>
  13                 <name>Type</name>
  14                 <key>type</key>
  15                 <type>enum</type>
  16                 <option>
  17                         <name>Int</name>
  18                         <key>int</key>
  19                         <opt>fcn:ii</opt>
  20                 </option>
  21                 <option>
  22                         <name>Short</name>
  23                         <key>short</key>
  24                         <opt>fcn:ss</opt>
  25                 </option>
  26                 <option>
  27                         <name>Byte</name>
  28                         <key>byte</key>
  29                         <opt>fcn:bb</opt>
  30                 </option>
  31         </param>
  32         <param>
  33                 <name>Bits per Chunk</name>
  34                 <key>bits_per_chunk</key>
  35                 <value>2</value>
  36                 <type>int</type>
  37         </param>
  38         <param>
  39                 <name>Endianness</name>
  40                 <key>endianness</key>
  41                 <type>int</type>
  42                 <option>
  43                         <name>MSB</name>
  44                         <key>gr.GR_MSB_FIRST</key>
  45                 </option>
  46                 <option>
  47                         <name>LSB</name>
  48                         <key>gr.GR_LSB_FIRST</key>
  49                 </option>
  50         </param>
  51         <param>
  52                 <name>Num Ports</name>
  53                 <key>num_ports</key>
  54                 <value>1</value>
  55                 <type>int</type>
  56         </param>
  57         <check>$num_ports &gt; 0</check>
  58         <sink>
  59                 <name>in</name>
  60                 <type>$type</type>
  61                 <nports>$num_ports</nports>
  62         </sink>
  63         <source>
  64                 <name>out</name>
  65                 <type>$type</type>
  66                 <nports>$num_ports</nports>
  67         </source>
  68 </block>