gnss-sdr/src/algorithms/channel/libs/channel_msg_receiver_cc.cc

98 lines
3.5 KiB
C++

/*!
* \file channel_msg_receiver_cc.cc
* \brief GNU Radio block that receives asynchronous channel messages from acquisition and tracking blocks
* \author Javier Arribas, 2016. jarribas(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR 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 of the License, or
* (at your option) any later version.
*
* GNSS-SDR 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 GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include "channel_msg_receiver_cc.h"
#include <boost/any.hpp>
#include <boost/bind.hpp>
#include <glog/logging.h>
#include <gnuradio/gr_complex.h>
#include <gnuradio/io_signature.h>
#include <cstdint>
#include <utility>
channel_msg_receiver_cc_sptr channel_msg_receiver_make_cc(std::shared_ptr<ChannelFsm> channel_fsm, bool repeat)
{
return channel_msg_receiver_cc_sptr(new channel_msg_receiver_cc(std::move(channel_fsm), repeat));
}
channel_msg_receiver_cc::channel_msg_receiver_cc(std::shared_ptr<ChannelFsm> channel_fsm, bool repeat) : gr::block("channel_msg_receiver_cc", gr::io_signature::make(0, 0, 0), gr::io_signature::make(0, 0, 0))
{
this->message_port_register_in(pmt::mp("events"));
this->set_msg_handler(pmt::mp("events"), boost::bind(&channel_msg_receiver_cc::msg_handler_events, this, _1));
d_channel_fsm = std::move(channel_fsm);
d_repeat = repeat;
}
void channel_msg_receiver_cc::msg_handler_events(pmt::pmt_t msg)
{
bool result = false;
try
{
int64_t message = pmt::to_long(std::move(msg));
switch (message)
{
case 1: // positive acquisition
// Now the acquisition block can optionally trigger the event valid acquisition internally,
// in order to reduce acquisition to tracking delay.
result = d_channel_fsm->Event_valid_acquisition();
break;
case 2: // negative acquisition
if (d_repeat == true)
{
result = d_channel_fsm->Event_failed_acquisition_repeat();
}
else
{
result = d_channel_fsm->Event_failed_acquisition_no_repeat();
}
break;
case 3: // tracking loss of lock event
result = d_channel_fsm->Event_failed_tracking_standby();
break;
default:
LOG(WARNING) << "Default case, invalid message.";
break;
}
}
catch (boost::bad_any_cast& e)
{
LOG(WARNING) << "msg_handler_telemetry Bad any cast!";
}
if (!result)
{
LOG(WARNING) << "msg_handler_telemetry invalid event";
}
}