<?xml version="1.0"?> <!-- ################################################### ##Message Sink (the source port is a message) ################################################### --> <block> <name>Message Sink</name> <key>gr_message_sink</key> <import>from gnuradio import gr</import> <make>gr.message_sink($type.size*$vlen, $(id)_msgq, $dont_block)</make> <param> <name>Input Type</name> <key>type</key> <type>enum</type> <option> <name>Complex</name> <key>complex</key> <opt>size:gr.sizeof_gr_complex</opt> </option> <option> <name>Float</name> <key>float</key> <opt>size:gr.sizeof_float</opt> </option> <option> <name>Int</name> <key>int</key> <opt>size:gr.sizeof_int</opt> </option> <option> <name>Short</name> <key>short</key> <opt>size:gr.sizeof_short</opt> </option> <option> <name>Byte</name> <key>byte</key> <opt>size:gr.sizeof_char</opt> </option> </param> <param> <name>Don't Block</name> <key>dont_block</key> <value>False</value> <type>enum</type> <option> <name>Don't Block</name> <key>True</key> </option> <option> <name>Block</name> <key>False</key> </option> </param> <param> <name>Vec Length</name> <key>vlen</key> <value>1</value> <type>int</type> </param> <check>$vlen > 0</check> <sink> <name>in</name> <type>$type</type> <vlen>$vlen</vlen> </sink> <source> <name>out</name> <type>msg</type> </source> </block>