<?xml version="1.0"?>

<!--

 Copyright 2011 Free Software Foundation, Inc.

 This file is part of GNU Radio

 GNU Radio is free software; you can redistribute it and/or modify

 it under the terms of the GNU General Public License as published by

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 any later version.

 GNU Radio is distributed in the hope that it will be useful,

 but WITHOUT ANY WARRANTY; without even the implied warranty of

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 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License

 along with GNU Radio; see the file COPYING.  If not, write to

 the Free Software Foundation, Inc., 51 Franklin Street,

 Boston, MA 02110-1301, USA.

-->

<!--

###################################################

##OFDM Insert Preamble

###################################################

 -->

<block>

        <name>OFDM Insert Preamble</name>

        <key>digital_ofdm_insert_preamble</key>

        <import>from gnuradio import digital</import>

        <make>digital.ofdm_insert_preamble($fft_length, $preamble)</make>

        <param>

                <name>FFT Length</name>

                <key>fft_length</key>

                <type>int</type>

        </param>

        <param>

                <name>Preamble</name>

                <key>preamble</key>

                <type>raw</type>

        </param>

        <sink>

                <name>in</name>

                <type>complex</type>

                <vlen>$fft_length</vlen>

        </sink>

        <sink>

                <name>flag</name>

                <type>byte</type>

        <optional>1</optional>

        </sink>

        <source>

                <name>out</name>

                <type>complex</type>

                <vlen>$fft_length</vlen>

        </source>

        <source>

                <name>flag</name>

                <type>byte</type>

        <optional>1</optional>

        </source>

</block>