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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##USRP2 Sink
   5 ##  Note: the center freq must be set after the lo offset
   6 ###################################################
   7  -->
   8 <block>
   9         <name>USRP2 Sink</name>
  10         <key>usrp2_sink_xxxx</key>
  11         <import>from gnuradio import usrp2</import>
  12         <make>#if not $interface() and not $mac_addr()
  13 usrp2.sink_$(type.fcn)()
  14 #elif not $mac_addr()
  15 usrp2.sink_$(type.fcn)($interface)
  16 #else
  17 usrp2.sink_$(type.fcn)($interface, $mac_addr)
  18 #end if
  19 self.$(id).set_interp($interpolation)
  20 #if $lo_offset() != float('inf')
  21 self.$(id).set_lo_offset($lo_offset)
  22 #end if
  23 self.$(id).set_center_freq($frequency)
  24 self.$(id).set_gain($gain)</make>
  25         <callback>set_interp($interpolation)</callback>
  26         <callback>#if $lo_offset() != float('inf')
  27 self.$(id).set_lo_offset($lo_offset)
  28 #end if
  29 self.$(id).set_center_freq($frequency)</callback>
  30         <callback>set_gain($gain)</callback>
  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>fcn:32fc</opt>
  39                         <opt>vlen:1</opt>
  40                 </option>
  41                 <option>
  42                         <name>Short</name>
  43                         <key>short</key>
  44                         <opt>fcn:16sc</opt>
  45                         <opt>vlen:2</opt>
  46                 </option>
  47         </param>
  48         <param>
  49                 <name>Interface</name>
  50                 <key>interface</key>
  51                 <value></value>
  52                 <type>string</type>
  53         </param>
  54         <param>
  55                 <name>MAC Addr</name>
  56                 <key>mac_addr</key>
  57                 <value></value>
  58                 <type>string</type>
  59         </param>
  60         <param>
  61                 <name>Interpolation</name>
  62                 <key>interpolation</key>
  63                 <type>int</type>
  64         </param>
  65         <param>
  66                 <name>Frequency (Hz)</name>
  67                 <key>frequency</key>
  68                 <type>real</type>
  69         </param>
  70         <param>
  71                 <name>LO Offset (Hz)</name>
  72                 <key>lo_offset</key>
  73                 <value>float('inf')</value>
  74                 <type>real</type>
  75                 <hide>#if $lo_offset() == float('inf') then 'part' else 'none'#</hide>
  76                 <option>
  77                         <name>Default</name>
  78                         <key>float('inf')</key>
  79                 </option>
  80         </param>
  81         <param>
  82                 <name>Gain (dB)</name>
  83                 <key>gain</key>
  84                 <value>0</value>
  85                 <type>real</type>
  86         </param>
  87         <sink>
  88                 <name>in</name>
  89                 <type>$type</type>
  90                 <vlen>$type.vlen</vlen>
  91         </sink>
  92         <doc>
  93 The USRP2 sink inputs 100 Megasamples per second / interpolation.
  94
  95 Input amplitude should be between 0.0 and 1.0.
  96
  97 To use the default ethernet device, leave interface blank. \
  98 For systems with only 1 USRP2, you may leave the mac address blank. \
  99 For multi-USRP2 systems, specify the mac address in the form 00:50:C2:85:3x:xx.
 100         </doc>
 101 </block>