<?xml version="1.0"?>
<!--
###################################################
##Goertzel
###################################################
 -->
<block>
	<name>Goertzel</name>
	<key>goertzel_fc</key>
	<import>from gnuradio import fft</import>
	<make>fft.goertzel_fc($rate, $len, $freq)</make>
        <callback>set_freq($freq)</callback>
        <callback>set_rate($rate)</callback>
	<param>
		<name>Rate</name>
		<key>rate</key>
		<type>int</type>
	</param>
	<param>
		<name>Length</name>
		<key>len</key>
		<type>int</type>
	</param>
	<param>
		<name>Frequency</name>
		<key>freq</key>
		<type>real</type>
	</param>
	<sink>
		<name>in</name>
		<type>float</type>
	</sink>
	<source>
		<name>out</name>
		<type>complex</type>
	</source>
</block>
