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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##DPSK2 Demod - 2, 4
   5 ###################################################
   6  -->
   7 <block>
   8         <name>DPSK2 Demod</name>
   9         <key>blks2_dxpsk2_demod</key>
  10         <import>from gnuradio import blks2</import>
  11         <make>blks2.$(type)2_demod(
  12         samples_per_symbol=$samples_per_symbol,
  13         excess_bw=$excess_bw,
  14         costas_alpha=$costas_alpha,
  15         timing_alpha=$timing_alpha,
  16         timing_max_dev=$timing_max_dev,
  17         gray_code=$gray_code,
  18         verbose=$verbose,
  19         log=$log,
  20         sync_out=$sync_out,
  21 )</make>
  22         <callback>clock_recov.set_alpha($costas_alpha)</callback>
  23         <callback>clock_recov.set_beta(0.25*$costas_alpha**2)</callback>
  24         <callback>time_recov.set_alpha($timing_alpha)</callback>
  25         <param>
  26                 <name>Type</name>
  27                 <key>type</key>
  28                 <type>enum</type>
  29                 <option>
  30                         <name>DBPSK</name>
  31                         <key>dbpsk</key>
  32                 </option>
  33                 <option>
  34                         <name>DQPSK</name>
  35                         <key>dqpsk</key>
  36                 </option>
  37         </param>
  38         <param>
  39                 <name>Samples/Symbol</name>
  40                 <key>samples_per_symbol</key>
  41                 <value>2</value>
  42                 <type>int</type>
  43         </param>
  44         <param>
  45                 <name>Excess BW</name>
  46                 <key>excess_bw</key>
  47                 <value>0.35</value>
  48                 <type>real</type>
  49         </param>
  50         <param>
  51                 <name>Costas Alpha</name>
  52                 <key>costas_alpha</key>
  53                 <value>0.175</value>
  54                 <type>real</type>
  55         </param>
  56         <param>
  57                 <name>Timing Alpha</name>
  58                 <key>timing_alpha</key>
  59                 <value>0.100</value>
  60                 <type>real</type>
  61         </param>
  62         <param>
  63                 <name>Timing Max Dev</name>
  64                 <key>timing_max_dev</key>
  65                 <value>1.5</value>
  66                 <type>real</type>
  67         </param>
  68         <param>
  69                 <name>Omega Relative Limit</name>
  70                 <key>omega_relative_limit</key>
  71                 <value>0.005</value>
  72                 <type>real</type>
  73         </param>
  74         <param>
  75                 <name>Gray Code</name>
  76                 <key>gray_code</key>
  77                 <value>True</value>
  78                 <type>bool</type>
  79                 <option>
  80                         <name>Yes</name>
  81                         <key>True</key>
  82                 </option>
  83                 <option>
  84                         <name>No</name>
  85                         <key>False</key>
  86                 </option>
  87         </param>
  88         <param>
  89                 <name>Verbose</name>
  90                 <key>verbose</key>
  91                 <value>False</value>
  92                 <type>bool</type>
  93                 <hide>#if str($verbose) == 'False' then 'part' else 'none'#</hide>
  94                 <option>
  95                         <name>On</name>
  96                         <key>True</key>
  97                 </option>
  98                 <option>
  99                         <name>Off</name>
 100                         <key>False</key>
 101                 </option>
 102         </param>
 103         <param>
 104                 <name>Logging</name>
 105                 <key>log</key>
 106                 <value>False</value>
 107                 <type>bool</type>
 108                 <hide>#if str($log) == 'False' then 'part' else 'none'#</hide>
 109                 <option>
 110                         <name>On</name>
 111                         <key>True</key>
 112                 </option>
 113                 <option>
 114                         <name>Off</name>
 115                         <key>False</key>
 116                 </option>
 117         </param>
 118         <param>
 119                 <name>Sync Out</name>
 120                 <key>sync_out</key>
 121                 <value>False</value>
 122                 <type>bool</type>
 123                 <option>
 124                         <name>On</name>
 125                         <key>True</key>
 126                 </option>
 127                 <option>
 128                         <name>Off</name>
 129                         <key>False</key>
 130                 </option>
 131         </param>
 132         <sink>
 133                 <name>in</name>
 134                 <type>complex</type>
 135         </sink>
 136         <source>
 137                 <name>out</name>
 138                 <type>byte</type>
 139         </source>
 140         <source>
 141                 <name>sync</name>
 142                 <type>complex</type>
 143                 <optional>1</optional>
 144         </source>
 145 </block>