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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_$(type.fcn)(which=$which, side='$side', rx_ant='$rx_ant'#if $hb_filters.eval then ', no_hb=True' else ''#)
  12 #if $format.eval
  13 self.$(id).set_format(width=$format.width, shift=$format.shift)
  14 #end if
  15 self.$(id).set_decim_rate($decimation)
  16 self.$(id).set_frequency($frequency, verbose=True)
  17 self.$(id).set_gain($gain)
  18 #if $auto_tr.eval and $rx_ant.flex
  19 self.$(id).set_auto_tr($auto_tr)
  20 #end if</make>
  21         <callback>set_decim_rate($decimation)</callback>
  22         <callback>set_frequency($frequency)</callback>
  23         <callback>set_gain($gain)</callback>
  24         <param>
  25                 <name>Output Type</name>
  26                 <key>type</key>
  27                 <type>enum</type>
  28                 <option>
  29                         <name>Complex</name>
  30                         <key>complex</key>
  31                         <opt>fcn:c</opt>
  32                 </option>
  33                 <option>
  34                         <name>Short</name>
  35                         <key>short</key>
  36                         <opt>fcn:s</opt>
  37                 </option>
  38         </param>
  39         <param>
  40                 <name>Format</name>
  41                 <key>format</key>
  42                 <value></value>
  43                 <type>enum</type>
  44                 <hide>#if $format.eval then '' else 'part'#</hide>
  45                 <option>
  46                         <name>16 Bits (Default)</name>
  47                         <key></key>
  48                         <opt>width:16</opt>
  49                         <opt>shift:0</opt>
  50                 </option>
  51                 <option>
  52                         <name>8 Bits, Shift 8</name>
  53                         <key>w8_s8</key>
  54                         <opt>width:8</opt>
  55                         <opt>shift:8</opt>
  56                 </option>
  57         </param>
  58         <param>
  59                 <name>Unit Number</name>
  60                 <key>which</key>
  61                 <value>0</value>
  62                 <type>int</type>
  63         </param>
  64         <param>
  65                 <name>Decimation</name>
  66                 <key>decimation</key>
  67                 <type>int</type>
  68         </param>
  69         <param>
  70                 <name>Frequency</name>
  71                 <key>frequency</key>
  72                 <type>real</type>
  73         </param>
  74         <param>
  75                 <name>Gain</name>
  76                 <key>gain</key>
  77                 <type>real</type>
  78         </param>
  79         <param>
  80                 <name>Side</name>
  81                 <key>side</key>
  82                 <value>A</value>
  83                 <type>enum</type>
  84                 <option>
  85                         <name>Side A</name>
  86                         <key>A</key>
  87                 </option>
  88                 <option>
  89                         <name>Side B</name>
  90                         <key>B</key>
  91                 </option>
  92         </param>
  93         <param>
  94                 <name>RX Antenna</name>
  95                 <key>rx_ant</key>
  96                 <value>RXA</value>
  97                 <type>enum</type>
  98                 <option>
  99                         <name>RXA</name>
 100                         <key>RXA</key>
 101                         <opt>flex:</opt>
 102                 </option>
 103                 <option>
 104                         <name>RXB</name>
 105                         <key>RXB</key>
 106                         <opt>flex:</opt>
 107                 </option>
 108                 <option>
 109                         <name>TX/RX</name>
 110                         <key>TX/RX</key>
 111                         <opt>flex:1</opt>
 112                 </option>
 113                 <option>
 114                         <name>RX2</name>
 115                         <key>RX2</key>
 116                         <opt>flex:1</opt>
 117                 </option>
 118         </param>
 119         <param>
 120                 <name>Auto T/R</name>
 121                 <key>auto_tr</key>
 122                 <value></value>
 123                 <type>enum</type>
 124                 <hide>#if $rx_ant.flex then 'none' else 'all'#</hide>
 125                 <option>
 126                         <name>Auto</name>
 127                         <key></key>
 128                 </option>
 129                 <option>
 130                         <name>Enable</name>
 131                         <key>True</key>
 132                 </option>
 133                 <option>
 134                         <name>Disable</name>
 135                         <key>False</key>
 136                 </option>
 137         </param>
 138         <param>
 139                 <name>Halfband Filters</name>
 140                 <key>hb_filters</key>
 141                 <value></value>
 142                 <type>enum</type>
 143                 <hide>#if $hb_filters.eval then 'none' else 'part'#</hide>
 144                 <option>
 145                         <name>Enable</name>
 146                         <key></key>
 147                 </option>
 148                 <option>
 149                         <name>Disable</name>
 150                         <key>1</key>
 151                 </option>
 152         </param>
 153         <source>
 154                 <name>out</name>
 155                 <type>$type</type>
 156         </source>
 157         <doc>
 158 The USRP source outputs 64 Megasamples per second / decimation.
 159
 160 The "Receive Antenna Setting" selects one of the SMA connectors as the data source. \
 161 Flex RF boards use the "TX/RX" and "RX2" settings. \
 162 Basic RX and LFRX use the "RXA" and "RXB" settings. \
 163 All other boards use the "RXA" setting.
 164
 165 Flex RF boards only: If enabled, "Auto Transmit/Receive Switching" handles the preference for transmit packets vs receive packets. \
 166 By default, "Auto TR" is disabled.
 167
 168 With the format set to 8 bits and the halfband filters disabled, the USRP can acheive a decimation rate of 4. \
 169 Disabling the halfband filters requires a special USRP firmware without halfband filters or TX paths. \
 170 For this reason, the USRP cannot transmit with the halfband filters disabled.
 171         </doc>
 172 </block>