<?xml version="1.0"?> <!-- ################################################### ## UHD MIMO Source ################################################### --> <block> <name>UHD MIMO Source</name> <key>uhd_mimo_source</key> <category>UHD</category> <import>from gnuradio import uhd</import> <make>uhd.mimo_source($nchan, $args, uhd.io_type_t.$type.type) self.$(id).set_samp_rate_all($samp_rate) map(lambda x: self.$(id).set_center_freq(*x), enumerate($center_freqs)) map(lambda x: self.$(id).set_gain(*x), enumerate($gains)) #if $ants() map(lambda x: self.$(id).set_antenna(*x), enumerate($ants)) #end if</make> <callback>set_samp_rate($samp_rate)</callback> <param> <name>Output Type</name> <key>type</key> <type>enum</type> <option> <name>Complex</name> <key>complex</key> <opt>type:COMPLEX_FLOAT32</opt> <opt>vlen:1</opt> </option> <option> <name>Short</name> <key>short</key> <opt>type:COMPLEX_INT16</opt> <opt>vlen:2</opt> </option> </param> <param> <name>Num Channels</name> <key>nchan</key> <value>2</value> <type>int</type> </param> <param> <name>Args</name> <key>args</key> <value>addr=192.168.10.2 192.168.20.2</value> <type>string</type> </param> <param> <name>Samp Rate (Sps)</name> <key>samp_rate</key> <value>samp_rate</value> <type>real</type> </param> <param> <name>Center Freqs (Hz)</name> <key>center_freqs</key> <value>0, 0</value> <type>real_vector</type> </param> <param> <name>Gains (dB)</name> <key>gains</key> <value>0, 0</value> <type>real_vector</type> </param> <param> <name>Antennas</name> <key>ants</key> <value>['RX2', 'RX2']</value> <type>raw</type> <hide>#if not $ants() then 'part' else 'none'#</hide> </param> <source> <name>out</name> <type>$type</type> <vlen>$type.vlen</vlen> <nports>$nchan</nports> </source> <doc> The UHD Source Block: Args: Args is a delimited string used to locate UHD devices on your system. \ If left blank, the first UHD device found will be used. \ Used args to specify a specfic device. \ USRP2 Example: addr=192.168.10.2 Sample rate: The sample rate is the number of samples per second output by this block. \ The UHD device driver will try its best to match the requested sample rate. \ If the requested rate is not possible, the UHD block will print an error at runtime. Antenna: For subdevices/daughterboards with only one antenna, this may be left blank. \ Otherwise, the user should specify one of the possible antenna choices. \ See the daughterboard application notes for the possible antenna choices. </doc> </block>