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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Signal Source
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Signal Source</name>
   9         <key>gr_sig_source_x</key>
  10         <import>from gnuradio import gr</import>
  11         <make>gr.sig_source_$(type.fcn)($samp_rate, $waveform, $freq, $amp, $offset)</make>
  12         <callback>set_sampling_freq($samp_rate)</callback>
  13         <callback>set_waveform($waveform)</callback>
  14         <callback>set_frequency($freq)</callback>
  15         <callback>set_amplitude($amp)</callback>
  16         <callback>set_offset($offset)</callback>
  17         <param>
  18                 <name>Output Type</name>
  19                 <key>type</key>
  20                 <type>enum</type>
  21                 <option>
  22                         <name>Complex</name>
  23                         <key>complex</key>
  24                         <opt>fcn:c</opt>
  25                         <opt>offset_type:complex</opt>
  26                 </option>
  27                 <option>
  28                         <name>Float</name>
  29                         <key>float</key>
  30                         <opt>fcn:f</opt>
  31                         <opt>offset_type:real</opt>
  32                 </option>
  33                 <option>
  34                         <name>Int</name>
  35                         <key>int</key>
  36                         <opt>fcn:i</opt>
  37                         <opt>offset_type:int</opt>
  38                 </option>
  39                 <option>
  40                         <name>Short</name>
  41                         <key>short</key>
  42                         <opt>fcn:s</opt>
  43                         <opt>offset_type:int</opt>
  44                 </option>
  45         </param>
  46         <param>
  47                 <name>Sample Rate</name>
  48                 <key>samp_rate</key>
  49                 <value>samp_rate</value>
  50                 <type>real</type>
  51         </param>
  52         <param>
  53                 <name>Waveform</name>
  54                 <key>waveform</key>
  55                 <value>gr.GR_COS_WAVE</value>
  56                 <type>raw</type>
  57                 <option>
  58                         <name>Constant</name>
  59                         <key>gr.GR_CONST_WAVE</key>
  60                 </option>
  61                 <option>
  62                         <name>Sine</name>
  63                         <key>gr.GR_SIN_WAVE</key>
  64                 </option>
  65                 <option>
  66                         <name>Cosine</name>
  67                         <key>gr.GR_COS_WAVE</key>
  68                 </option>
  69                 <option>
  70                         <name>Square</name>
  71                         <key>gr.GR_SQR_WAVE</key>
  72                 </option>
  73                 <option>
  74                         <name>Triangle</name>
  75                         <key>gr.GR_TRI_WAVE</key>
  76                 </option>
  77                 <option>
  78                         <name>Saw Tooth</name>
  79                         <key>gr.GR_SAW_WAVE</key>
  80                 </option>
  81         </param>
  82         <param>
  83                 <name>Frequency</name>
  84                 <key>freq</key>
  85                 <value>1000</value>
  86                 <type>real</type>
  87         </param>
  88         <param>
  89                 <name>Amplitude</name>
  90                 <key>amp</key>
  91                 <value>1</value>
  92                 <type>real</type>
  93         </param>
  94         <param>
  95                 <name>Offset</name>
  96                 <key>offset</key>
  97                 <value>0</value>
  98                 <type>$type.offset_type</type>
  99         </param>
 100         <source>
 101                 <name>out</name>
 102                 <type>$type</type>
 103         </source>
 104 </block>