From 8e3b0eca898706383bf7dfbbef8f37dfea5d10be Mon Sep 17 00:00:00 2001
From: Roman Khassraf <roman@khassraf.at>
Date: Tue, 4 Aug 2015 11:16:04 +0200
Subject: Implemented burst framenumber filter. Issue #100

---
 grc/flow_control/CMakeLists.txt           |  3 ++-
 grc/flow_control/gsm_burst_fnr_filter.xml | 42 +++++++++++++++++++++++++++++++
 grc/gsm_block_tree.xml                    |  1 +
 3 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 grc/flow_control/gsm_burst_fnr_filter.xml

(limited to 'grc')

diff --git a/grc/flow_control/CMakeLists.txt b/grc/flow_control/CMakeLists.txt
index c11943f..37fa830 100644
--- a/grc/flow_control/CMakeLists.txt
+++ b/grc/flow_control/CMakeLists.txt
@@ -18,5 +18,6 @@
 # Boston, MA 02110-1301, USA.
 
 install(FILES
-    gsm_burst_timeslot_splitter.xml DESTINATION share/gnuradio/grc/blocks
+    gsm_burst_timeslot_splitter.xml
+    gsm_burst_fnr_filter.xml DESTINATION share/gnuradio/grc/blocks
 )
diff --git a/grc/flow_control/gsm_burst_fnr_filter.xml b/grc/flow_control/gsm_burst_fnr_filter.xml
new file mode 100644
index 0000000..d09b6e6
--- /dev/null
+++ b/grc/flow_control/gsm_burst_fnr_filter.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<block>
+  <name>Burst framenumber filter</name>
+  <key>gsm_burst_fnr_filter</key>
+  <import>import grgsm</import>
+  <make>grgsm.burst_fnr_filter($mode, $fnr)</make>
+
+  <param>
+    <name>Mode</name>
+    <key>mode</key>
+    <type>enum</type>
+    <option>
+      <name>Less or equal</name>
+      <key>grgsm.FILTER_LESS_OR_EQUAL</key>
+    </option>
+    <option>
+      <name>Greater or equal</name>
+      <key>grgsm.FILTER_GREATER_OR_EQUAL</key>
+    </option>
+  </param>
+  <param>
+    <name>Framenumber</name>
+    <key>fnr</key>
+    <value>1500123</value>
+    <type>int</type>
+  </param>
+  
+  <sink>
+    <name>in</name>
+    <type>message</type>
+  </sink>
+
+  <source>
+    <name>out</name>
+    <type>message</type>
+    <optional>1</optional>
+  </source>
+
+  <doc>
+Burst framenumber filter forwards only blocks with a framenumber satisfying the configured mode, i.e. if mode is "Less or equal", then only bursts with a smaller or equal framenumber are forwarded.
+  </doc>
+</block>
diff --git a/grc/gsm_block_tree.xml b/grc/gsm_block_tree.xml
index 1679ad1..2c48aff 100644
--- a/grc/gsm_block_tree.xml
+++ b/grc/gsm_block_tree.xml
@@ -40,6 +40,7 @@
     <cat>
       <name>Flow control</name>
       <block>gsm_burst_timeslot_splitter</block>
+      <block>gsm_burst_fnr_filter</block>
     </cat>
     <cat>
       <name>Utilities</name>
-- 
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