<?xml version="1.0"?> <!-- ################################################### ##Sample and Hold ################################################### --> <block> <name>Sample and Hold</name> <key>gr_sample_and_hold_xx</key> <import>from gnuradio import gr</import> <make>gr.sample_and_hold_$(type.fcn)()</make> <param> <name>Type</name> <key>type</key> <type>enum</type> <option> <name>Float</name> <key>float</key> <opt>fcn:ff</opt> </option> <option> <name>Int</name> <key>int</key> <opt>fcn:ii</opt> </option> <option> <name>Short</name> <key>short</key> <opt>fcn:ss</opt> </option> <option> <name>Byte</name> <key>byte</key> <opt>fcn:bb</opt> </option> </param> <sink> <name>in</name> <type>$type</type> </sink> <sink> <name>ctrl</name> <type>byte</type> </sink> <source> <name>out</name> <type>$type</type> </source> </block>