From ccb5e689e1fce642c23ddfb091bee7bedffd0b55 Mon Sep 17 00:00:00 2001
From: Piotr Krysik <ptrkrysik@gmail.com>
Date: Tue, 7 Nov 2017 19:34:22 +0100
Subject: Added tx bursts preprocessing block

---
 include/grgsm/transmitter/CMakeLists.txt        |  4 +-
 include/grgsm/transmitter/preprocess_tx_burst.h | 60 +++++++++++++++++++++++++
 2 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 include/grgsm/transmitter/preprocess_tx_burst.h

(limited to 'include/grgsm')

diff --git a/include/grgsm/transmitter/CMakeLists.txt b/include/grgsm/transmitter/CMakeLists.txt
index 78aad43..29ccc4b 100644
--- a/include/grgsm/transmitter/CMakeLists.txt
+++ b/include/grgsm/transmitter/CMakeLists.txt
@@ -21,5 +21,7 @@
 # Install public header files
 ########################################################################
 install(FILES
-    txtime_setter.h DESTINATION include/grgsm/transmitter
+    txtime_setter.h 
+    preprocess_tx_burst.h
+    DESTINATION include/grgsm/transmitter
 )
diff --git a/include/grgsm/transmitter/preprocess_tx_burst.h b/include/grgsm/transmitter/preprocess_tx_burst.h
new file mode 100644
index 0000000..2a07dd5
--- /dev/null
+++ b/include/grgsm/transmitter/preprocess_tx_burst.h
@@ -0,0 +1,60 @@
+/* -*- c++ -*- */
+/* @file
+ * @author Piotr Krysik <ptrkrysik@gmail.com>
+ * @section LICENSE
+ * 
+ * Gr-gsm 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.
+ * 
+ * Gr-gsm 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 gr-gsm; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ * 
+ */
+
+
+#ifndef INCLUDED_GSM_PREPROCESS_TX_BURST_H
+#define INCLUDED_GSM_PREPROCESS_TX_BURST_H
+
+#include <grgsm/api.h>
+#include <gnuradio/block.h>
+
+namespace gr {
+  namespace gsm {
+
+    /*!
+     * \brief A block that does preprocessing tasks before sending bursts to modulator.
+     * \ingroup gsm
+     *
+     * Currently it removes GSMTAP header from a burst and puts it in first part of PDU
+     * pair and removes tailing zeros from Access Bursts coming from TRX interface.
+     */
+    class GRGSM_API preprocess_tx_burst : virtual public gr::block
+    {
+     public:
+      typedef boost::shared_ptr<preprocess_tx_burst> sptr;
+
+      /*!
+       * \brief Return a shared_ptr to a new instance of gsm::preprocess_tx_burst.
+       *
+       * To avoid accidental use of raw pointers, gsm::preprocess_tx_burst's
+       * constructor is in a private implementation
+       * class. gsm::preprocess_tx_burst::make is the public interface for
+       * creating new instances.
+       */
+      static sptr make();
+    };
+
+  } // namespace gsm
+} // namespace gr
+
+#endif /* INCLUDED_GSM_PREPROCESS_TX_BURST_H */
+
-- 
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