Implement the 'burst_to_fn_time' block in C++

3 files changed, 130 insertions, 0 deletions

diff --git a/lib/misc_utils/CMakeLists.txt b/lib/misc_utils/CMakeLists.txt
index 370f11c..c3edde5 100644
--- a/lib/misc_utils/CMakeLists.txt
+++ b/lib/misc_utils/CMakeLists.txt
@@ -36,5 +36,6 @@ add_sources(
     fn_time.cc
     udp_socket.cc
     trx_burst_if_impl.cc
+    burst_to_fn_time_impl.cc
 )
 
diff --git a/lib/misc_utils/burst_to_fn_time_impl.cc b/lib/misc_utils/burst_to_fn_time_impl.cc
new file mode 100644
index 0000000..3e587f0
--- /dev/null
+++ b/lib/misc_utils/burst_to_fn_time_impl.cc
@@ -0,0 +1,84 @@
+/* -*- c++ -*- */
+/* @file
+ * @author Piotr Krysik <ptrkrysik@gmail.com>
+ * @author Vadim Yanitskiy <axilirator@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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gnuradio/io_signature.h>
+#include "burst_to_fn_time_impl.h"
+
+namespace gr {
+  namespace gsm {
+
+    burst_to_fn_time::sptr
+    burst_to_fn_time::make(void)
+    {
+      return gnuradio::get_initial_sptr
+        (new burst_to_fn_time_impl());
+    }
+
+    /*
+     * The private constructor
+     */
+    burst_to_fn_time_impl::burst_to_fn_time_impl(void)
+      : gr::block("burst_to_fn_time",
+        gr::io_signature::make(0, 0, 0),
+        gr::io_signature::make(0, 0, 0))
+    {
+        // Register I/O ports
+        message_port_register_in(pmt::mp("bursts_in"));
+        message_port_register_out(pmt::mp("fn_time_out"));
+
+        // Bind a port handler
+        set_msg_handler(pmt::mp("bursts_in"),
+          boost::bind(&burst_to_fn_time_impl::handle_burst, this, _1));
+    }
+
+    /*
+     * Our virtual destructor.
+     */
+    burst_to_fn_time_impl::~burst_to_fn_time_impl()
+    {
+    }
+
+    void
+    burst_to_fn_time_impl::handle_burst(pmt::pmt_t msg_in)
+    {
+      // Obtain fn_time tag from message
+      pmt::pmt_t blob = pmt::car(msg_in);
+      pmt::pmt_t fn_time = pmt::dict_ref(blob,
+        pmt::intern("fn_time"), pmt::PMT_NIL);
+
+      // Drop messages without required tag
+      if (fn_time == pmt::PMT_NIL)
+        return;
+
+      // Compose and send a new message
+      pmt::pmt_t msg_out = pmt::dict_add(pmt::make_dict(),
+        pmt::intern("fn_time"), fn_time);
+      message_port_pub(pmt::mp("fn_time_out"), msg_out);
+    }
+
+  } /* namespace gsm */
+} /* namespace gr */
diff --git a/lib/misc_utils/burst_to_fn_time_impl.h b/lib/misc_utils/burst_to_fn_time_impl.h
new file mode 100644
index 0000000..e96c2bb
--- /dev/null
+++ b/lib/misc_utils/burst_to_fn_time_impl.h
@@ -0,0 +1,45 @@
+/* -*- c++ -*- */
+/* @file
+ * @author Piotr Krysik <ptrkrysik@gmail.com>
+ * @author Vadim Yanitskiy <axilirator@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_GRGSM_BURST_TO_FN_TIME_IMPL_H
+#define INCLUDED_GRGSM_BURST_TO_FN_TIME_IMPL_H
+
+#include <grgsm/misc_utils/burst_to_fn_time.h>
+
+namespace gr {
+  namespace gsm {
+
+    class burst_to_fn_time_impl : public burst_to_fn_time
+    {
+     private:
+      void handle_burst(pmt::pmt_t msg_in);
+
+     public:
+      burst_to_fn_time_impl(void);
+      ~burst_to_fn_time_impl(void);
+    };
+
+  } // namespace gsm
+} // namespace gr
+
+#endif /* INCLUDED_GRGSM_BURST_TO_FN_TIME_IMPL_H */