Implemented burst timeslot splitter for flow control. Issue #100
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 61f0858..4a61f0b 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -46,6 +46,7 @@
decoding/GSM660Tables.cpp
decoding/GSM503Tables.cpp
decoding/ViterbiR204.cpp
+ flow_control/burst_timeslot_splitter_impl.cc
misc_utils/controlled_rotator_cc_impl.cc
misc_utils/controlled_const_source_f_impl.cc
misc_utils/message_printer_impl.cc
diff --git a/lib/flow_control/burst_timeslot_splitter_impl.cc b/lib/flow_control/burst_timeslot_splitter_impl.cc
new file mode 100644
index 0000000..99964b7
--- /dev/null
+++ b/lib/flow_control/burst_timeslot_splitter_impl.cc
@@ -0,0 +1,114 @@
+/* -*- c++ -*- */
+/* @file
+ * @author Roman Khassraf <rkhassraf@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_timeslot_splitter_impl.h"
+#include <stdio.h>
+#include <grgsm/endian.h>
+#include <grgsm/gsmtap.h>
+
+
+namespace gr {
+ namespace gsm {
+
+ burst_timeslot_splitter::sptr
+ burst_timeslot_splitter::make()
+ {
+ return gnuradio::get_initial_sptr
+ (new burst_timeslot_splitter_impl());
+ }
+
+ /*
+ * The private constructor
+ */
+ burst_timeslot_splitter_impl::burst_timeslot_splitter_impl()
+ : gr::block("burst_timeslot_splitter",
+ gr::io_signature::make(0, 0, 0),
+ gr::io_signature::make(0, 0, 0))
+ {
+ message_port_register_in(pmt::mp("in"));
+
+ message_port_register_out(pmt::mp("out0"));
+ message_port_register_out(pmt::mp("out1"));
+ message_port_register_out(pmt::mp("out2"));
+ message_port_register_out(pmt::mp("out3"));
+ message_port_register_out(pmt::mp("out4"));
+ message_port_register_out(pmt::mp("out5"));
+ message_port_register_out(pmt::mp("out6"));
+ message_port_register_out(pmt::mp("out7"));
+
+ set_msg_handler(pmt::mp("in"), boost::bind(&burst_timeslot_splitter_impl::process_burst, this, _1));
+ }
+
+ /*
+ * Our virtual destructor.
+ */
+ burst_timeslot_splitter_impl::~burst_timeslot_splitter_impl() {}
+
+ void burst_timeslot_splitter_impl::process_burst(pmt::pmt_t msg)
+ {
+ pmt::pmt_t header_plus_burst = pmt::cdr(msg);
+ gsmtap_hdr * header = (gsmtap_hdr *)pmt::blob_data(header_plus_burst);
+
+ unsigned int timeslot = header->timeslot;
+
+ std::string port("out");
+
+ switch (timeslot)
+ {
+ case 0:
+ port.append("0");
+ break;
+ case 1:
+ port.append("1");
+ break;
+ case 2:
+ port.append("2");
+ break;
+ case 3:
+ port.append("3");
+ break;
+ case 4:
+ port.append("4");
+ break;
+ case 5:
+ port.append("5");
+ break;
+ case 6:
+ port.append("6");
+ break;
+ case 7:
+ port.append("7");
+ break;
+ default:
+ port.append("0");
+ break;
+ }
+
+ message_port_pub(pmt::mp(port), msg);
+ }
+ } /* namespace gsm */
+} /* namespace gr */
diff --git a/lib/flow_control/burst_timeslot_splitter_impl.h b/lib/flow_control/burst_timeslot_splitter_impl.h
new file mode 100644
index 0000000..47a9115
--- /dev/null
+++ b/lib/flow_control/burst_timeslot_splitter_impl.h
@@ -0,0 +1,43 @@
+/* -*- c++ -*- */
+/* @file
+ * @author Roman Khassraf <rkhassraf@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_BURST_TIMESLOT_SPLITTER_IMPL_H
+#define INCLUDED_GSM_BURST_TIMESLOT_SPLITTER_IMPL_H
+
+#include <grgsm/flow_control/burst_timeslot_splitter.h>
+
+namespace gr {
+ namespace gsm {
+
+ class burst_timeslot_splitter_impl : public burst_timeslot_splitter
+ {
+ public:
+ burst_timeslot_splitter_impl();
+ ~burst_timeslot_splitter_impl();
+ void process_burst(pmt::pmt_t msg);
+ };
+
+ } // namespace gsm
+} // namespace gr
+
+#endif /* INCLUDED_GSM_BURST_TIMESLOT_SPLITTER_IMPL_H */
+