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

104 lines
3.4 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
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#include "channel_msg_receiver_cc.h"
#include <glog/logging.h>
#include <gnuradio/gr_complex.h>
#include <gnuradio/io_signature.h>
#include <cstdint>
#include <utility>
#if PMT_USES_BOOST_ANY
#include <boost/any.hpp>
namespace wht = boost;
#else
#include <any>
namespace wht = std;
#endif
#if HAS_GENERIC_LAMBDA
#else
#include <boost/bind/bind.hpp>
#endif
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)),
d_channel_fsm(std::move(channel_fsm)),
d_repeat(repeat)
{
this->message_port_register_in(pmt::mp("events"));
this->set_msg_handler(pmt::mp("events"),
#if HAS_GENERIC_LAMBDA
[this](auto&& PH1) { msg_handler_channel_events(PH1); });
#else
#if USE_BOOST_BIND_PLACEHOLDERS
boost::bind(&channel_msg_receiver_cc::msg_handler_channel_events, this, boost::placeholders::_1));
#else
boost::bind(&channel_msg_receiver_cc::msg_handler_channel_events, this, _1));
#endif
#endif
}
void channel_msg_receiver_cc::msg_handler_channel_events(const pmt::pmt_t& msg)
{
bool result = false;
try
{
const int64_t message = pmt::to_long(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 (const wht::bad_any_cast& e)
{
LOG(WARNING) << "msg_handler_channel_events Bad any cast: " << e.what();
}
if (!result)
{
LOG(WARNING) << "msg_handler_channel_events invalid event";
}
}