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/* -*- c++ -*- */
/*
* Copyright 2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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.
*
* GNU Radio 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 GNU Radio; 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 <gr_message_strobe.h>
#include <gr_io_signature.h>
#include <cstdio>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdexcept>
#include <string.h>
#include <iostream>
// public constructor that returns a shared_ptr
gr_message_strobe_sptr
gr_make_message_strobe (pmt::pmt_t msg, float period_ms)
{
return gnuradio::get_initial_sptr(new gr_message_strobe(msg, period_ms));
}
gr_message_strobe::gr_message_strobe (pmt::pmt_t msg, float period_ms)
: gr_block("message_strobe",
gr_make_io_signature(0, 0, 0),
gr_make_io_signature(0, 0, 0)),
d_finished(false),
d_period_ms(period_ms),
d_msg(msg)
{
message_port_register_out(pmt::mp("strobe"));
d_thread = boost::shared_ptr<boost::thread>(new boost::thread(boost::bind(&gr_message_strobe::run, this)));
message_port_register_in(pmt::mp("set_msg"));
set_msg_handler(pmt::mp("set_msg"), boost::bind(&gr_message_strobe::set_msg, this, _1));
}
gr_message_strobe::~gr_message_strobe()
{
d_finished = true;
d_thread->interrupt();
d_thread->join();
}
void gr_message_strobe::run(){
while(!d_finished) {
boost::this_thread::sleep(boost::posix_time::milliseconds(d_period_ms));
if(d_finished){ return; }
message_port_pub( pmt::mp("strobe"), d_msg );
}
}
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