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<?xml version="1.0"?>
<!--
###################################################
##Valve:
## Custom blks2 block
###################################################
-->
<block>
<name>Valve</name>
<key>blks2_valve</key>
<import>from grc_gnuradio import blks2 as grc_blks2</import>
<make>grc_blks2.valve(item_size=$type.size*$vlen, open=bool($open))</make>
<callback>set_open(bool($open))</callback>
<param>
<name>Type</name>
<key>type</key>
<type>enum</type>
<option>
<name>Complex</name>
<key>complex</key>
<opt>size:gr.sizeof_gr_complex</opt>
</option>
<option>
<name>Float</name>
<key>float</key>
<opt>size:gr.sizeof_float</opt>
</option>
<option>
<name>Int</name>
<key>int</key>
<opt>size:gr.sizeof_int</opt>
</option>
<option>
<name>Short</name>
<key>short</key>
<opt>size:gr.sizeof_short</opt>
</option>
<option>
<name>Byte</name>
<key>byte</key>
<opt>size:gr.sizeof_char</opt>
</option>
</param>
<param>
<name>Open</name>
<key>open</key>
<value>0</value>
<type>raw</type>
</param>
<param>
<name>Vec Length</name>
<key>vlen</key>
<value>1</value>
<type>int</type>
</param>
<check>$vlen > 0</check>
<sink>
<name>in</name>
<type>$type</type>
<vlen>$vlen</vlen>
<nports>$num_inputs</nports>
</sink>
<source>
<name>out</name>
<type>$type</type>
<vlen>$vlen</vlen>
<nports>$num_outputs</nports>
</source>
<doc>
Connect output to input when valve is closed (not open).
</doc>
</block>
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