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<block>
<name>Header/Payload Demux</name>
<key>digital_header_payload_demux</key>
<import>from gnuradio import digital</import>
<make>digital.header_payload_demux(
$header_len,
$items_per_symbol,
$guard_interval,
$length_tag_key,
$trigger_tag_key,
$output_symbols,
$(type.itemsize),
$timing_tag_key,
$samp_rate,
$special_tags,
$header_padding,
)</make>
<param>
<name>Header Length (Symbols)</name>
<key>header_len</key>
<type>int</type>
</param>
<param>
<name>Header Padding (Uncertainty / Symbols)</name>
<key>header_padding</key>
<value>0</value>
<type>int</type>
</param>
<param>
<name>Items per symbol</name>
<key>items_per_symbol</key>
<type>int</type>
</param>
<param>
<name>Guard Interval (items)</name>
<key>guard_interval</key>
<value>0</value>
<type>int</type>
<hide>#if $guard_interval then 'none' else 'part'#</hide>
</param>
<param>
<name>Length tag key</name>
<key>length_tag_key</key>
<value>"frame_len"</value>
<type>string</type>
</param>
<param>
<name>Trigger tag key</name>
<key>trigger_tag_key</key>
<value>""</value>
<type>string</type>
<hide>#if $trigger_tag_key then 'none' else 'part'#</hide>
</param>
<param>
<name>Output Format</name>
<key>output_symbols</key>
<type>enum</type>
<option>
<name>Items</name>
<key>False</key>
</option>
<option>
<name>Symbols</name>
<key>True</key>
</option>
</param>
<param>
<name>IO Type</name>
<key>type</key>
<type>enum</type>
<option>
<name>Complex</name>
<key>complex</key>
<opt>itemsize:gr.sizeof_gr_complex</opt>
</option>
<option>
<name>Float</name>
<key>float</key>
<opt>itemsize:gr.sizeof_float</opt>
</option>
<option>
<name>Int</name>
<key>int</key>
<opt>itemsize:gr.sizeof_int</opt>
</option>
<option>
<name>Short</name>
<key>short</key>
<opt>itemsize:gr.sizeof_short</opt>
</option>
<option>
<name>Byte</name>
<key>byte</key>
<opt>itemsize:gr.sizeof_char</opt>
</option>
</param>
<param>
<name>Timing tag key</name>
<key>timing_tag_key</key>
<value>"rx_time"</value>
<type>string</type>
</param>
<param>
<name>Sampling Rate</name>
<key>samp_rate</key>
<value>samp_rate</value>
<type>int</type>
</param>
<param>
<name>Special Tag Keys</name>
<key>special_tags</key>
<value>(,)</value>
<type>raw</type>
</param>
<sink>
<name>in</name>
<type>$type</type>
</sink>
<sink>
<name>trigger</name>
<type>byte</type>
<optional>1</optional>
</sink>
<sink>
<name>header_data</name>
<type>message</type>
</sink>
<source>
<name>out_hdr</name>
<type>$type</type>
<vlen>{True: $items_per_symbol, False: 1}[$output_symbols]</vlen>
</source>
<source>
<name>out_payload</name>
<type>$type</type>
<vlen>{True: $items_per_symbol, False: 1}[$output_symbols]</vlen>
</source>
</block>
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