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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##USRP Simple Source
   5 ###################################################
   6  -->
   7 <block>
   8         <name>USRP Source</name>
   9         <key>usrp_simple_source_x</key>
  10         <import>from grc_gnuradio import usrp as grc_usrp</import>
  11         <make>grc_usrp.simple_source_$(type.fcn)(
  12         number=$number,
  13         subdev_spec=$subdev_spec,
  14         frequency=$frequency,
  15         decimation=$decimation,
  16         gain=$gain,
  17 #if $mux.eval == hex(0)
  18         mux=None,
  19 #else
  20         mux=$mux,
  21 #end if
  22         auto_tr=$auto_tr,
  23         rx_ant=$rx_ant,
  24 )</make>
  25         <callback>set_decim_rate($decimation)</callback>
  26         <callback>set_frequency($frequency)</callback>
  27         <callback>set_gain($gain)</callback>
  28         <param>
  29                 <name>Output Type</name>
  30                 <key>type</key>
  31                 <type>enum</type>
  32                 <option>
  33                         <name>Complex</name>
  34                         <key>complex</key>
  35                         <opt>fcn:c</opt>
  36                 </option>
  37                 <option>
  38                         <name>Short</name>
  39                         <key>short</key>
  40                         <opt>fcn:s</opt>
  41                 </option>
  42         </param>
  43         <param>
  44                 <name>Unit Number</name>
  45                 <key>number</key>
  46                 <value>0</value>
  47                 <type>int</type>
  48         </param>
  49         <param>
  50                 <name>Subdev Spec</name>
  51                 <key>subdev_spec</key>
  52                 <value>auto</value>
  53                 <type>enum</type>
  54                 <option>
  55                         <name>Auto</name>
  56                         <key>None</key>
  57                 </option>
  58                 <option>
  59                         <name>Side A:0</name>
  60                         <key>(0, 0)</key>
  61                 </option>
  62                 <option>
  63                         <name>Side B:0</name>
  64                         <key>(1, 0)</key>
  65                 </option>
  66                 <option>
  67                         <name>Side A:1</name>
  68                         <key>(0, 1)</key>
  69                 </option>
  70                 <option>
  71                         <name>Side B:1</name>
  72                         <key>(1, 1)</key>
  73                 </option>
  74         </param>
  75         <param>
  76                 <name>Frequency</name>
  77                 <key>frequency</key>
  78                 <type>real</type>
  79         </param>
  80         <param>
  81                 <name>Decimation</name>
  82                 <key>decimation</key>
  83                 <type>int</type>
  84         </param>
  85         <param>
  86                 <name>Gain</name>
  87                 <key>gain</key>
  88                 <type>real</type>
  89         </param>
  90         <param>
  91                 <name>Mux</name>
  92                 <key>mux</key>
  93                 <value>0x0</value>
  94                 <type>hex</type>
  95         </param>
  96         <param>
  97                 <name>Auto T/R</name>
  98                 <key>auto_tr</key>
  99                 <value>None</value>
 100                 <type>enum</type>
 101                 <option>
 102                         <name>Ignore</name>
 103                         <key>None</key>
 104                 </option>
 105                 <option>
 106                         <name>Enable</name>
 107                         <key>True</key>
 108                 </option>
 109                 <option>
 110                         <name>Disable</name>
 111                         <key>False</key>
 112                 </option>
 113         </param>
 114         <param>
 115                 <name>RX Antenna</name>
 116                 <key>rx_ant</key>
 117                 <value>None</value>
 118                 <type>enum</type>
 119                 <option>
 120                         <name>Ignore</name>
 121                         <key>None</key>
 122                 </option>
 123                 <option>
 124                         <name>TX/RX</name>
 125                         <key>&quot;TX/RX&quot;</key>
 126                 </option>
 127                 <option>
 128                         <name>RX2</name>
 129                         <key>&quot;RX2&quot;</key>
 130                 </option>
 131         </param>
 132         <source>
 133                 <name>out</name>
 134                 <type>$type</type>
 135         </source>
 136         <doc>
 137 The USRP source outputs 64 Megasamples per second / decimation.
 138
 139 --- Flex RF specific ---
 140 The "Auto TR" and "RX Antenna" settings are flex rf specific and should be left at "Ignore" unless this is a flex rf board.
 141
 142 If enabled, "Auto Transmit/Receive Switching" handles the preference for transmit packets vs receive packets. \
 143 By default, "Auto TR" is disabled.
 144
 145 The "Receive Antenna Setting" selects one of the SMA connectors as the data source. \
 146 By default, 'TX/RX' is selected.
 147         </doc>
 148 </block>