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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Packet Encoder
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Packet Encoder</name>
   9         <key>blks2_packet_encoder</key>
  10         <import>from grc_gnuradio import blks2 as grc_blks2</import>
  11         <import>from gnuradio import gr</import>
  12         <make>grc_blks2.packet_encoder(
  13         item_size_in=$type.size*$vlen,
  14         samples_per_symbol=$samples_per_symbol,
  15         bits_per_symbol=$bits_per_symbol,
  16         access_code=$access_code,
  17         pad_for_usrp=$pad_for_usrp,
  18         payload_length=$payload_length,
  19 )</make>
  20         <param>
  21                 <name>Input Type</name>
  22                 <key>type</key>
  23                 <value>float</value>
  24                 <type>enum</type>
  25                 <option>
  26                         <name>Complex</name>
  27                         <key>complex</key>
  28                         <opt>size:gr.sizeof_gr_complex</opt>
  29                 </option>
  30                 <option>
  31                         <name>Float</name>
  32                         <key>float</key>
  33                         <opt>size:gr.sizeof_float</opt>
  34                 </option>
  35                 <option>
  36                         <name>Int</name>
  37                         <key>int</key>
  38                         <opt>size:gr.sizeof_int</opt>
  39                 </option>
  40                 <option>
  41                         <name>Short</name>
  42                         <key>short</key>
  43                         <opt>size:gr.sizeof_short</opt>
  44                 </option>
  45                 <option>
  46                         <name>Byte</name>
  47                         <key>byte</key>
  48                         <opt>size:gr.sizeof_char</opt>
  49                 </option>
  50         </param>
  51         <param>
  52                 <name>Samples/Symbol</name>
  53                 <key>samples_per_symbol</key>
  54                 <type>int</type>
  55         </param>
  56         <param>
  57                 <name>Bits/Symbol</name>
  58                 <key>bits_per_symbol</key>
  59                 <type>int</type>
  60         </param>
  61         <param>
  62                 <name>Access Code</name>
  63                 <key>access_code</key>
  64                 <value></value>
  65                 <type>string</type>
  66         </param>
  67         <param>
  68                 <name>Pad for USRP</name>
  69                 <key>pad_for_usrp</key>
  70                 <type>enum</type>
  71                 <option>
  72                         <name>Yes</name>
  73                         <key>True</key>
  74                 </option>
  75                 <option>
  76                         <name>No</name>
  77                         <key>False</key>
  78                 </option>
  79         </param>
  80         <param>
  81                 <name>Payload Length</name>
  82                 <key>payload_length</key>
  83                 <value>-1</value>
  84                 <type>int</type>
  85         </param>
  86         <param>
  87                 <name>Vec Length</name>
  88                 <key>vlen</key>
  89                 <value>1</value>
  90                 <type>int</type>
  91         </param>
  92         <check>$vlen &gt; 0</check>
  93         <sink>
  94                 <name>in</name>
  95                 <type>$type</type>
  96                 <vlen>$vlen</vlen>
  97         </sink>
  98         <source>
  99                 <name>out</name>
 100                 <type>byte</type>
 101         </source>
 102         <doc>
 103 Packet encoder block, for use with the gnuradio modulator blocks: gmsk, psk, qam.
 104
 105 Access Code: string of 1's and 0's, leave blank for default.
 106
 107 Bits/Symbol should be set accordingly:
 108         gmsk -> 1
 109         dbpsk -> 1
 110         dqpsk -> 2
 111         d8psk -> 3
 112         qam8 -> 3
 113         qam16 -> 4
 114         qam64 -> 6
 115         qam256 -> 8
 116         </doc>
 117 </block>