3 ###################################################
4 ##Message Source (the sink port is a message)
5 ###################################################
8 <name>Message Source</name>
9 <key>gr_message_source</key>
10 <import>from gnuradio import gr</import>
11 <make>gr.message_source($type.size*$vlen, $(id)_msgq_in)</make>
13 <name>Output Type</name>
19 <opt>size:gr.sizeof_gr_complex</opt>
24 <opt>size:gr.sizeof_float</opt>
29 <opt>size:gr.sizeof_int</opt>
34 <opt>size:gr.sizeof_short</opt>
39 <opt>size:gr.sizeof_char</opt>
43 <name>Vec Length</name>
48 <check>$vlen > 0</check>