From ff5d81de50c167b1c5f71c13a779b2988326cf67 Mon Sep 17 00:00:00 2001
From: Piotr Krysik <ptrkrysik@gmail.com>
Date: Wed, 27 Sep 2017 21:56:42 +0200
Subject: Added gmsk modulator block for gsm

---
 grc/CMakeLists.txt               |  1 +
 grc/gsm_block_tree.xml           |  1 +
 grc/transmitter/CMakeLists.txt   |  1 +
 grc/transmitter/gsm_gmsk_mod.xml | 47 ++++++++++++++++++++++++++++++++++++++++
 4 files changed, 50 insertions(+)
 create mode 100644 grc/transmitter/gsm_gmsk_mod.xml

(limited to 'grc')

diff --git a/grc/CMakeLists.txt b/grc/CMakeLists.txt
index 045d6a5..26a91d5 100644
--- a/grc/CMakeLists.txt
+++ b/grc/CMakeLists.txt
@@ -24,6 +24,7 @@ add_subdirectory(receiver)
 add_subdirectory(flow_control)
 add_subdirectory(misc_utils)
 add_subdirectory(trx_interface)
+add_subdirectory(transmitter)
 install(FILES
     gsm_block_tree.xml DESTINATION share/gnuradio/grc/blocks
 )
diff --git a/grc/gsm_block_tree.xml b/grc/gsm_block_tree.xml
index 0ceec47..ac3670e 100644
--- a/grc/gsm_block_tree.xml
+++ b/grc/gsm_block_tree.xml
@@ -24,6 +24,7 @@
     <cat>
       <name>Transmitter</name>
       <block>gsm_txtime_bursts_tagger</block>
+      <block>gsm_gmsk_mod</block>
     </cat>
     <cat>
       <name>Logical channels demapping</name>
diff --git a/grc/transmitter/CMakeLists.txt b/grc/transmitter/CMakeLists.txt
index e4f5c0b..c41f56a 100644
--- a/grc/transmitter/CMakeLists.txt
+++ b/grc/transmitter/CMakeLists.txt
@@ -18,5 +18,6 @@
 # Boston, MA 02110-1301, USA.
 
 install(FILES
+    gsm_gmsk_mod.xml
     gsm_txtime_bursts_tagger.xml DESTINATION share/gnuradio/grc/blocks
 )
diff --git a/grc/transmitter/gsm_gmsk_mod.xml b/grc/transmitter/gsm_gmsk_mod.xml
new file mode 100644
index 0000000..4aad01b
--- /dev/null
+++ b/grc/transmitter/gsm_gmsk_mod.xml
@@ -0,0 +1,47 @@
+<block>
+  <name>GMSK Modulator for GSM</name>
+  <key>gsm_gmsk_mod</key>
+  <import>from grgsm import gsm_gmsk_mod</import>
+  <make>gsm_gmsk_mod(
+    BT=$BT,
+    pulse_duration=$pulse_duration,
+    sps=$sps,
+)</make>
+  <callback>set_BT($BT)</callback>
+  <callback>set_pulse_duration($pulse_duration)</callback>
+  <callback>set_sps($sps)</callback>
+  <param>
+    <name>3 dB Time-Bandwidth Product</name>
+    <key>BT</key>
+    <value>4</value>
+    <type>raw</type>
+  </param>
+  <param>
+    <name>Pulse Duration</name>
+    <key>pulse_duration</key>
+    <value>4</value>
+    <type>raw</type>
+  </param>
+  <param>
+    <name>Samples/Symbol</name>
+    <key>sps</key>
+    <value>4</value>
+    <type>raw</type>
+  </param>
+  <sink>
+    <name>in</name>
+    <type>byte</type>
+    <vlen>1</vlen>
+    <optional>1</optional>
+  </sink>
+  <source>
+    <name>out</name>
+    <type>complex</type>
+    <vlen>1</vlen>
+    <optional>1</optional>
+  </source>
+  <doc>Piotr Krysik
+GMSK Modulator for GSM
+  </doc>
+  <grc_source>gr-gsm/hier_blocks/transmitter/gsm_gmsk_mod.grc</grc_source>
+</block>
-- 
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