grc/blocks/blks2_selector.xml


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<?xml version="1.0"?>
<!--
###################################################
##Selector:
##	Custom blks2 block
###################################################
 -->
<block>
	<name>Selector</name>
	<key>blks2_selector</key>
	<import>from grc_gnuradio import blks2 as grc_blks2</import>
	<make>grc_blks2.selector(
	item_size=$type.size*$vlen,
	num_inputs=$num_inputs,
	num_outputs=$num_outputs,
	input_index=$input_index,
	output_index=$output_index,
)</make>
	<callback>set_input_index(int($input_index))</callback>
	<callback>set_output_index(int($output_index))</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>Num Inputs</name>
		<key>num_inputs</key>
		<value>2</value>
		<type>int</type>
	</param>
	<param>
		<name>Num Outputs</name>
		<key>num_outputs</key>
		<value>2</value>
		<type>int</type>
	</param>
	<param>
		<name>Input Index</name>
		<key>input_index</key>
		<value>0</value>
		<type>int</type>
	</param>
	<param>
		<name>Output Index</name>
		<key>output_index</key>
		<value>0</value>
		<type>int</type>
	</param>
	<param>
		<name>Vec Length</name>
		<key>vlen</key>
		<value>1</value>
		<type>int</type>
	</param>
	<check>$vlen &gt; 0</check>
	<sink>
		<name>in</name>
		<type>$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 the sink at input index to the source at output index. Leave all other ports disconnected.
	</doc>
</block>