mirror of
https://github.com/gnss-sdr/gnss-sdr
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72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
/*!
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* \file gnss_sdr_sample_counter.cc
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* \brief Simple block to report the current receiver time based on the output of the tracking or telemetry blocks
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* \author Javier Arribas 2017. jarribas(at)cttc.es
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*
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "gnss_sdr_sample_counter.h"
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#include "gnss_synchro.h"
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#include <gnuradio/io_signature.h>
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gnss_sdr_sample_counter::gnss_sdr_sample_counter () : gr::sync_block("sample_counter",
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gr::io_signature::make(1, 1, sizeof(Gnss_Synchro)),
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gr::io_signature::make(0,0,0))
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{
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this->message_port_register_out(pmt::mp("sample_counter"));
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last_T_rx_s = 0;
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report_interval_s = 1;//default reporting 1 second
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flag_enable_send_msg = false; //enable it for reporting time with asynchronous message
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}
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gnss_sdr_sample_counter_sptr gnss_sdr_make_sample_counter ()
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{
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gnss_sdr_sample_counter_sptr sample_counter_(new gnss_sdr_sample_counter());
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return sample_counter_;
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}
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int gnss_sdr_sample_counter::work (int noutput_items,
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gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items __attribute__((unused)))
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{
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const Gnss_Synchro *in = reinterpret_cast<const Gnss_Synchro *>(input_items[0]); // input
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double current_T_rx_s = in[noutput_items - 1].Tracking_sample_counter / static_cast<double>(in[noutput_items - 1].fs);
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if ((current_T_rx_s - last_T_rx_s) > report_interval_s)
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{
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std::cout << "Current receiver time: " << floor(current_T_rx_s) << " [s]" << std::endl;
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if(flag_enable_send_msg == true)
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{
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this->message_port_pub(pmt::mp("receiver_time"), pmt::from_double(current_T_rx_s));
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}
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last_T_rx_s = current_T_rx_s;
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}
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return noutput_items;
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}
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