diff options
author | Piotr Krysik <ptrkrysik@gmail.com> | 2016-08-30 21:31:24 +0200 |
---|---|---|
committer | Piotr Krysik <ptrkrysik@gmail.com> | 2016-08-30 21:31:24 +0200 |
commit | a3405b285dd088ad2e31964e27f3cb0812ca735a (patch) | |
tree | 8a1fc8e3171b36af7cb71e33bd33f54b00b15b81 /lib/flow_control/uplink_downlink_splitter_impl.cc | |
parent | d61f85ba6dfa64909df32e4927e7acf35f2d1d1f (diff) |
Changed path (flow_control) and name of uplink_downlink_filter to splitter
Diffstat (limited to 'lib/flow_control/uplink_downlink_splitter_impl.cc')
-rw-r--r-- | lib/flow_control/uplink_downlink_splitter_impl.cc | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/lib/flow_control/uplink_downlink_splitter_impl.cc b/lib/flow_control/uplink_downlink_splitter_impl.cc new file mode 100644 index 0000000..b98102c --- /dev/null +++ b/lib/flow_control/uplink_downlink_splitter_impl.cc @@ -0,0 +1,75 @@ +/* -*- 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. + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gnuradio/io_signature.h> +#include "uplink_downlink_splitter_impl.h" +#include <grgsm/gsmtap.h> +#define BURST_SIZE 148 +namespace gr { + namespace grgsm { + + uplink_downlink_splitter::sptr + uplink_downlink_splitter::make() + { + return gnuradio::get_initial_sptr + (new uplink_downlink_splitter_impl()); + } + + /* + * The private constructor + */ + uplink_downlink_splitter_impl::uplink_downlink_splitter_impl() + : gr::block("uplink_downlink_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("uplink")); + message_port_register_out(pmt::mp("downlink")); + set_msg_handler(pmt::mp("in"), boost::bind(&uplink_downlink_splitter_impl::process_msg, this, _1)); + } + + void uplink_downlink_splitter_impl::process_msg(pmt::pmt_t msg) + { + gsmtap_hdr * header = (gsmtap_hdr *)(pmt::blob_data(pmt::cdr(msg))); + bool uplink_burst = (be16toh(header->arfcn) & 0x4000) ? true : false; + if(uplink_burst) + { + message_port_pub(pmt::mp("uplink"), msg); + } else { + message_port_pub(pmt::mp("downlink"), msg); + } + } + + /* + * Our virtual destructor. + */ + uplink_downlink_splitter_impl::~uplink_downlink_splitter_impl() + { + } + } /* namespace grgsm */ +} /* namespace gr */ + |