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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Packet Decoder
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Packet Decoder</name>
   9         <key>blks2_packet_decoder</key>
  10         <import>from grc_gnuradio import blks2 as grc_blks2</import>
  11         <import>from gnuradio import gr</import>
  12         <make>grc_blks2.packet_decoder(
  13         item_size_out=$type.size*$vlen,
  14         access_code=$access_code,
  15         threshold=$threshold,
  16 )</make>
  17         <param>
  18                 <name>Output Type</name>
  19                 <key>type</key>
  20                 <value>float</value>
  21                 <type>enum</type>
  22                 <option>
  23                         <name>Complex</name>
  24                         <key>complex</key>
  25                         <opt>size:gr.sizeof_gr_complex</opt>
  26                 </option>
  27                 <option>
  28                         <name>Float</name>
  29                         <key>float</key>
  30                         <opt>size:gr.sizeof_float</opt>
  31                 </option>
  32                 <option>
  33                         <name>Int</name>
  34                         <key>int</key>
  35                         <opt>size:gr.sizeof_int</opt>
  36                 </option>
  37                 <option>
  38                         <name>Short</name>
  39                         <key>short</key>
  40                         <opt>size:gr.sizeof_short</opt>
  41                 </option>
  42                 <option>
  43                         <name>Byte</name>
  44                         <key>byte</key>
  45                         <opt>size:gr.sizeof_char</opt>
  46                 </option>
  47         </param>
  48         <param>
  49                 <name>Access Code</name>
  50                 <key>access_code</key>
  51                 <value></value>
  52                 <type>string</type>
  53         </param>
  54         <param>
  55                 <name>Threshold</name>
  56                 <key>threshold</key>
  57                 <value>-1</value>
  58                 <type>int</type>
  59         </param>
  60         <param>
  61                 <name>Vec Length</name>
  62                 <key>vlen</key>
  63                 <value>1</value>
  64                 <type>int</type>
  65         </param>
  66         <check>$vlen &gt; 0</check>
  67         <sink>
  68                 <name>in</name>
  69                 <type>byte</type>
  70         </sink>
  71         <source>
  72                 <name>out</name>
  73                 <type>$type</type>
  74                 <vlen>$vlen</vlen>
  75         </source>
  76         <doc>
  77 Packet decoder block, for use with the gnuradio demodulator blocks: gmsk, psk, qam.
  78
  79 Access Code: string of 1's and 0's, leave blank for default.
  80         </doc>
  81 </block>