gr-fft: creates a gr-fft top-level component.

4 files changed, 187 insertions, 0 deletions

diff --git a/gr-fft/grc/CMakeLists.txt b/gr-fft/grc/CMakeLists.txt
new file mode 100644
index 000000000..632a9aaad
--- /dev/null
+++ b/gr-fft/grc/CMakeLists.txt
@@ -0,0 +1,26 @@
+# Copyright 2012 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
+# the Free Software Foundation; either version 3, or (at your option)
+# 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
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# 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.
+
+install(FILES
+    fft_block_tree.xml
+    fft_vxx.xml
+    goertzel_fc.xml
+    DESTINATION ${GRC_BLOCKS_DIR}
+    COMPONENT "fft_python"
+)
diff --git a/gr-fft/grc/fft_block_tree.xml b/gr-fft/grc/fft_block_tree.xml
new file mode 100644
index 000000000..3bda77eae
--- /dev/null
+++ b/gr-fft/grc/fft_block_tree.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0"?>
+
+<!--
+ Copyright 2012 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
+ the Free Software Foundation; either version 3, or (at your option)
+ 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
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ 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.
+-->
+
+<!--
+###################################################
+##Block Tree for GR FFT blocks.
+###################################################
+ -->
+<cat>
+	<name></name> <!-- Blank for Root Name -->
+	<cat>
+		<name>FFT</name>
+		<block>fft_vxx</block>
+		<block>goertzel_fc</block>
+	</cat>
+</cat>
diff --git a/gr-fft/grc/fft_vxx.xml b/gr-fft/grc/fft_vxx.xml
new file mode 100644
index 000000000..69f12ace7
--- /dev/null
+++ b/gr-fft/grc/fft_vxx.xml
@@ -0,0 +1,88 @@
+<?xml version="1.0"?>
+<!--
+###################################################
+##FFT
+###################################################
+ -->
+<block>
+	<name>FFT</name>
+	<key>fft_vxx</key>
+	<import>from gnuradio import fft</import>
+	<import>from gnuradio import window</import>
+	<make>#if $type() == "complex"
+fft.fft_vcc($fft_size, $forward, $window, $shift, $nthreads)
+#else
+fft.fft_vfc($fft_size, $forward, $window, $nthreads)
+#end if</make>
+	<callback>set_nthreads($nthreads)</callback>
+	<param>
+		<name>Input Type</name>
+		<key>type</key>
+		<type>enum</type>
+		<option>
+			<name>Complex</name>
+			<key>complex</key>
+			<opt>hide_shift:</opt>
+		</option>
+		<option>
+			<name>Float</name>
+			<key>float</key>
+			<opt>hide_shift:all</opt>
+		</option>
+	</param>
+	<param>
+		<name>FFT Size</name>
+		<key>fft_size</key>
+		<value>1024</value>
+		<type>int</type>
+	</param>
+	<param>
+		<name>Forward/Reverse</name>
+		<key>forward</key>
+		<type>enum</type>
+		<option>
+			<name>Forward</name>
+			<key>True</key>
+		</option>
+		<option>
+			<name>Reverse</name>
+			<key>False</key>
+		</option>
+	</param>
+	<param>
+		<name>Window</name>
+		<key>window</key>
+		<value>window.blackmanharris(1024)</value>
+		<type>real_vector</type>
+	</param>
+	<param>
+		<name>Shift</name>
+		<key>shift</key>
+		<type>enum</type>
+		<hide>$type.hide_shift</hide>
+		<option>
+			<name>Yes</name>
+			<key>True</key>
+		</option>
+		<option>
+			<name>No</name>
+			<key>False</key>
+		</option>
+	</param>
+	<param>
+		<name>Num. Threads</name>
+		<key>nthreads</key>
+		<value>1</value>
+		<type>int</type>
+	</param>
+	<sink>
+		<name>in</name>
+		<type>$type</type>
+		<vlen>$fft_size</vlen>
+	</sink>
+	<source>
+		<name>out</name>
+		<type>complex</type>
+		<vlen>$fft_size</vlen>
+	</source>
+</block>
diff --git a/gr-fft/grc/goertzel_fc.xml b/gr-fft/grc/goertzel_fc.xml
new file mode 100644
index 000000000..371284358
--- /dev/null
+++ b/gr-fft/grc/goertzel_fc.xml
@@ -0,0 +1,37 @@
+<?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>