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<?xml version="1.0"?>
<!--
###################################################
##USRP2 Source
## Note: the center freq must be set after the lo offset
###################################################
-->
<block>
<name>USRP2 Source</name>
<key>usrp2_source_xxxx</key>
<category>USRP</category>
<import>from gnuradio import usrp2</import>
<make>#if not $interface() and not $mac_addr()
usrp2.source_$(type.fcn)()
#elif not $mac_addr()
usrp2.source_$(type.fcn)($interface)
#else
usrp2.source_$(type.fcn)($interface, $mac_addr)
#end if
self.$(id).set_decim($decimation)
#if $lo_offset() != float('inf')
self.$(id).set_lo_offset($lo_offset)
#end if
self.$(id).set_center_freq($frequency)
self.$(id).set_gain($gain)
self.$(id).config_mimo($usrp2_clock_src)</make>
<callback>set_decim($decimation)</callback>
<callback>#if $lo_offset() != float('inf')
self.$(id).set_lo_offset($lo_offset)
#end if
self.$(id).set_center_freq($frequency)</callback>
<callback>set_gain($gain)</callback>
<param>
<name>Output Type</name>
<key>type</key>
<type>enum</type>
<option>
<name>Complex</name>
<key>complex</key>
<opt>fcn:32fc</opt>
<opt>vlen:1</opt>
</option>
<option>
<name>Short</name>
<key>short</key>
<opt>fcn:16sc</opt>
<opt>vlen:2</opt>
</option>
</param>
<param>
<name>Interface</name>
<key>interface</key>
<value></value>
<type>string</type>
</param>
<param>
<name>MAC Addr</name>
<key>mac_addr</key>
<value></value>
<type>string</type>
</param>
<param>
<name>Decimation</name>
<key>decimation</key>
<type>int</type>
</param>
<param>
<name>Frequency (Hz)</name>
<key>frequency</key>
<type>real</type>
</param>
<param>
<name>LO Offset (Hz)</name>
<key>lo_offset</key>
<value>float('inf')</value>
<type>real</type>
<hide>#if $lo_offset() == float('inf') then 'part' else 'none'#</hide>
<option>
<name>Default</name>
<key>float('inf')</key>
</option>
</param>
<param>
<name>Gain (dB)</name>
<key>gain</key>
<value>0</value>
<type>real</type>
</param>
<param>
<name>Clock Source</name>
<key>usrp2_clock_src</key>
<value>usrp2.MC_WE_DONT_LOCK</value>
<type>enum</type>
<option>
<name>Internal</name>
<key>usrp2.MC_WE_DONT_LOCK</key>
</option>
<option>
<name>External SMA</name>
<key>usrp2.MC_WE_LOCK_TO_SMA</key>
</option>
<option>
<name>External MIMO</name>
<key>usrp2.MC_WE_LOCK_TO_MIMO</key>
</option>
</param>
<source>
<name>out</name>
<type>$type</type>
<vlen>$type.vlen</vlen>
</source>
<doc>
The USRP2 source outputs 100 Megasamples per second / decimation.
To use the default ethernet device, leave interface blank. \
For systems with only 1 USRP2, you may leave the mac address blank. \
For multi-USRP2 systems, specify the mac address in the form 00:50:C2:85:3x:xx.
</doc>
</block>
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