summaryrefslogtreecommitdiff
path: root/gr-blocks/lib/message_strobe_impl.cc
diff options
context:
space:
mode:
authorTom Rondeau <trondeau@vt.edu>2013-03-06 09:54:14 -0500
committerTom Rondeau <trondeau@vt.edu>2013-03-06 09:54:14 -0500
commit520626bcc203a15ec22ed7351204662a33a17ef5 (patch)
treebcbf90619e9ad3971f74c1990ee87305ce2940fc /gr-blocks/lib/message_strobe_impl.cc
parent53ff88a6d6721aa7d31e70bf74511e1138fa833e (diff)
blocks: moving message blocks to gr-blocks.
message_burst_source, message_source, message_sink, message_debug, message_strobe.
Diffstat (limited to 'gr-blocks/lib/message_strobe_impl.cc')
-rw-r--r--gr-blocks/lib/message_strobe_impl.cc85
1 files changed, 85 insertions, 0 deletions
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 */