From 520626bcc203a15ec22ed7351204662a33a17ef5 Mon Sep 17 00:00:00 2001 From: Tom Rondeau <trondeau@vt.edu> Date: Wed, 6 Mar 2013 09:54:14 -0500 Subject: blocks: moving message blocks to gr-blocks. message_burst_source, message_source, message_sink, message_debug, message_strobe. --- gr-blocks/lib/message_strobe_impl.cc | 85 ++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 gr-blocks/lib/message_strobe_impl.cc (limited to 'gr-blocks/lib/message_strobe_impl.cc') diff --git a/gr-blocks/lib/message_strobe_impl.cc b/gr-blocks/lib/message_strobe_impl.cc new file mode 100644 index 0000000000..c4b0e5d567 --- /dev/null +++ b/gr-blocks/lib/message_strobe_impl.cc @@ -0,0 +1,85 @@ +/* -*- c++ -*- */ +/* + * Copyright 2012-2013 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 "message_strobe_impl.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> + +namespace gr { + namespace blocks { + + message_strobe::sptr + message_strobe::make(pmt::pmt_t msg, float period_ms) + { + return gnuradio::get_initial_sptr + (new message_strobe_impl(msg, period_ms)); + } + + message_strobe_impl::message_strobe_impl(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(&message_strobe_impl::run, this))); + + message_port_register_in(pmt::mp("set_msg")); + set_msg_handler(pmt::mp("set_msg"), + boost::bind(&message_strobe_impl::set_msg, this, _1)); + } + + message_strobe_impl::~message_strobe_impl() + { + d_finished = true; + d_thread->interrupt(); + d_thread->join(); + } + + void message_strobe_impl::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); + } + } + + } /* namespace blocks */ +} /* namespace gr */ -- cgit v1.2.3