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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Pad Source: IO Pads
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Pad Source</name>
   9         <key>pad_source</key>
  10         <make></make>
  11         <param>
  12                 <name>Mode</name>
  13                 <key>mode</key>
  14                 <value>hb</value>
  15                 <type>enum</type>
  16                 <option>
  17                         <name>Hierarchical</name>
  18                         <key>hb</key>
  19                 </option>
  20                 <option>
  21                         <name>Continuation</name>
  22                         <key>cont</key>
  23                 </option>
  24         </param>
  25         <param>
  26                 <name>Num Outputs</name>
  27                 <key>nports</key>
  28                 <value>1</value>
  29                 <type>int</type>
  30         </param>
  31         <param>
  32                 <name>Output Type</name>
  33                 <key>type</key>
  34                 <type>enum</type>
  35                 <option>
  36                         <name>Complex</name>
  37                         <key>complex</key>
  38                         <opt>size:gr.sizeof_gr_complex</opt>
  39                 </option>
  40                 <option>
  41                         <name>Float</name>
  42                         <key>float</key>
  43                         <opt>size:gr.sizeof_float</opt>
  44                 </option>
  45                 <option>
  46                         <name>Int</name>
  47                         <key>int</key>
  48                         <opt>size:gr.sizeof_int</opt>
  49                 </option>
  50                 <option>
  51                         <name>Short</name>
  52                         <key>short</key>
  53                         <opt>size:gr.sizeof_short</opt>
  54                 </option>
  55                 <option>
  56                         <name>Byte</name>
  57                         <key>byte</key>
  58                         <opt>size:gr.sizeof_char</opt>
  59                 </option>
  60         </param>
  61         <param>
  62                 <name>Vec Length</name>
  63                 <key>vlen</key>
  64                 <value>1</value>
  65                 <type>int</type>
  66         </param>
  67         <param>
  68                 <name>Pad Sink ID</name>
  69                 <key>pad_sink_id</key>
  70                 <value>pad_sink_0</value>
  71                 <type>string</type>
  72                 <hide>#if $mode() == 'cont' then 'none' else 'all'#</hide>
  73         </param>
  74         <check>$vlen &gt; 0</check>
  75         <check>0 &lt; $nports</check>
  76         <source>
  77                 <name>out</name>
  78                 <type>$type</type>
  79                 <vlen>$vlen</vlen>
  80                 <nports>$nports</nports>
  81         </source>
  82         <doc>
  83 Continuation Mode:
  84 The outputs of this block will alias the inputs of the pad sink specified by "pad sink id".
  85
  86 Hierarchical Mode:
  87 The outputs of this block will become the inputs to this flow graph when it is instantiated as a hierarchical block. \
  88 Limit one source pad block per flow graph. \
  89 The "pad sink id" will be ignored in this mode.
  90         </doc>
  91 </block>