[Commit-gnuradio] [gnuradio] 05/09: filter: added variable_band_reject_filter_taps and variable_rrc_filter_taps

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commit 2a1957c57b7f993f373c4aedee2a455d3dbe552b
Author: Johnathan Corgan <address@hidden>
Date:   Wed Apr 8 14:58:02 2015 -0700

    filter: added variable_band_reject_filter_taps and variable_rrc_filter_taps
---
 gr-filter/grc/CMakeLists.txt                       |  2 +
 gr-filter/grc/filter_block_tree.xml                |  2 +
 gr-filter/grc/variable_band_reject_filter_taps.xml | 81 ++++++++++++++++++++++
 gr-filter/grc/variable_rrc_filter_taps.xml         | 50 +++++++++++++
 4 files changed, 135 insertions(+)

diff --git a/gr-filter/grc/CMakeLists.txt b/gr-filter/grc/CMakeLists.txt
index b31b404..b3bc2e1 100644
--- a/gr-filter/grc/CMakeLists.txt
+++ b/gr-filter/grc/CMakeLists.txt
@@ -48,6 +48,8 @@ install(FILES
     variable_low_pass_filter_taps.xml
     variable_high_pass_filter_taps.xml
     variable_band_pass_filter_taps.xml
+    variable_band_reject_filter_taps.xml
+    variable_rrc_filter_taps.xml
     DESTINATION ${GRC_BLOCKS_DIR}
     COMPONENT "filter_python"
 )
diff --git a/gr-filter/grc/filter_block_tree.xml 
b/gr-filter/grc/filter_block_tree.xml
index eac192a..ea869a7 100644
--- a/gr-filter/grc/filter_block_tree.xml
+++ b/gr-filter/grc/filter_block_tree.xml
@@ -34,6 +34,8 @@
       <block>variable_low_pass_filter_taps</block>
       <block>variable_high_pass_filter_taps</block>
       <block>variable_band_pass_filter_taps</block>
+      <block>variable_band_reject_filter_taps</block>
+      <block>variable_rrc_filter_taps</block>
       <!-- FIR convenience filters -->
       <block>low_pass_filter</block>
       <block>high_pass_filter</block>
diff --git a/gr-filter/grc/variable_band_reject_filter_taps.xml 
b/gr-filter/grc/variable_band_reject_filter_taps.xml
new file mode 100644
index 0000000..fbf2588
--- /dev/null
+++ b/gr-filter/grc/variable_band_reject_filter_taps.xml
@@ -0,0 +1,81 @@
+<?xml version="1.0"?>
+<!--
+#########################################################
+# Convenience wrapper for calling firdes.band_reject(...)
+#########################################################
+ -->
+<block>
+  <name>Band-reject Filter Taps</name>
+  <key>variable_band_reject_filter_taps</key>
+  <import>from gnuradio.filter import firdes</import>
+  <var_make>
+self.$(id) = $(id) = firdes.band_reject($gain, $samp_rate, $low_cutoff_freq, 
$high_cutoff_freq, $width, $win, $beta)
+  </var_make>
+  <var_value>firdes.band_reject($gain, $samp_rate, $low_cutoff_freq, 
$high_cutoff_freq, $width, $win, $beta)</var_value>
+  <make></make>
+
+  <param>
+    <name>Gain</name>
+    <key>gain</key>
+    <value>1.0</value>
+    <type>float</type>
+  </param>
+  <param>
+    <name>Sample Rate (Hz)</name>
+    <key>samp_rate</key>
+    <value>samp_rate</value>
+    <type>float</type>
+  </param>
+  <param>
+    <name>Low Cutoff Freq (Hz)</name>
+    <key>low_cutoff_freq</key>
+    <type>float</type>
+  </param>
+  <param>
+    <name>High Cutoff Freq (Hz)</name>
+    <key>high_cutoff_freq</key>
+    <type>float</type>
+  </param>
+  <param>
+    <name>Transition Width (Hz)</name>
+    <key>width</key>
+    <type>float</type>
+  </param>
+  <param>
+    <name>Window</name>
+    <key>win</key>
+    <value>firdes.WIN_HAMMING</value>
+    <type>int</type>
+    <option>
+      <name>Hamming</name>
+      <key>firdes.WIN_HAMMING</key>
+    </option>
+    <option>
+      <name>Hann</name>
+      <key>firdes.WIN_HANN</key>
+    </option>
+    <option>
+      <name>Blackman</name>
+      <key>firdes.WIN_BLACKMAN</key>
+    </option>
+    <option>
+      <name>Rectangular</name>
+      <key>firdes.WIN_RECTANGULAR</key>
+    </option>
+    <option>
+      <name>Kaiser</name>
+      <key>firdes.WIN_KAISER</key>
+    </option>
+  </param>
+  <param>
+    <name>Beta</name>
+    <key>beta</key>
+    <value>6.76</value>
+    <type>float</type>
+  </param>
+  <doc>
+    This is a convenience wrapper for calling firdes.band_reject().
+
+    The beta paramater only applies to the Kaiser window.
+  </doc>
+</block>
diff --git a/gr-filter/grc/variable_rrc_filter_taps.xml 
b/gr-filter/grc/variable_rrc_filter_taps.xml
new file mode 100644
index 0000000..2824ba7
--- /dev/null
+++ b/gr-filter/grc/variable_rrc_filter_taps.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0"?>
+<!--
+########################################################################
+## Convenience wrapper for calling firdes.root_raised_cosine_filter(...)
+########################################################################
+ -->
+<block>
+  <name>RRC Filter Taps</name>
+  <key>variable_rrc_filter_taps</key>
+  <import>from gnuradio.filter import firdes</import>
+  <var_make>
+self.$(id) = $(id) = firdes.root_raised_cosine($gain, $samp_rate, $sym_rate, 
$alpha, $ntaps)
+  </var_make>
+  <var_value>firdes.root_raised_cosine($gain, $samp_rate, $sym_rate, $alpha, 
$ntaps)</var_value>
+  <make></make>
+
+  <param>
+    <name>Gain</name>
+    <key>gain</key>
+    <value>1.0</value>
+    <type>float</type>
+  </param>
+  <param>
+    <name>Sample Rate (Hz)</name>
+    <key>samp_rate</key>
+    <value>samp_rate</value>
+    <type>float</type>
+  </param>
+  <param>
+    <name>Symbol Rate (Hz)</name>
+    <key>sym_rate</key>
+    <value></value>
+    <type>float</type>
+  </param>
+  <param>
+    <name>Excess BW</name>
+    <key>alpha</key>
+    <value>0.35</value>
+    <type>float</type>
+  </param>
+  <param>
+    <name>Num Taps</name>
+    <key>ntaps</key>
+    <value>11*sps</value>
+    <type>int</type>
+  </param>
+  <doc>
+    This is a convenience wrapper for calling firdes.root_raised_cosine(...).
+  </doc>
+</block>