From 246ec97757c69d5296ebf56a273bf8e0e782a0b4 Mon Sep 17 00:00:00 2001
From: Tim O'Shea <tim.oshea753@gmail.com>
Date: Sat, 15 Feb 2014 22:21:44 -0500
Subject: blocks: random_pdu (speedup, also allow a byte mask),
 message_strobe_random (new block, send messages with a known timing
 distribution)

---
 gr-blocks/lib/message_strobe_random_impl.h | 73 ++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 gr-blocks/lib/message_strobe_random_impl.h

(limited to 'gr-blocks/lib/message_strobe_random_impl.h')

diff --git a/gr-blocks/lib/message_strobe_random_impl.h b/gr-blocks/lib/message_strobe_random_impl.h
new file mode 100644
index 0000000000..a91c6604a4
--- /dev/null
+++ b/gr-blocks/lib/message_strobe_random_impl.h
@@ -0,0 +1,73 @@
+/* -*- 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.
+ */
+
+#ifndef INCLUDED_GR_MESSAGE_STROBE_IMPL_H
+#define INCLUDED_GR_MESSAGE_STROBE_IMPL_H
+
+#include <gnuradio/blocks/message_strobe_random.h>
+#include <boost/random/variate_generator.hpp>
+#include <boost/random/mersenne_twister.hpp>
+#include <boost/random/poisson_distribution.hpp>
+#include <boost/random/normal_distribution.hpp>
+#include <boost/random/uniform_real.hpp>
+
+namespace gr {
+  namespace blocks {
+
+    class BLOCKS_API message_strobe_random_impl : public message_strobe_random
+    {
+    private:
+      boost::shared_ptr<boost::thread> d_thread;
+      bool d_finished;
+      float d_mean_ms;
+      float d_std_ms;
+      message_strobe_random_distribution_t d_dist;
+      pmt::pmt_t d_msg;
+      void run();
+      float next_delay();
+
+      boost::random::mt19937 d_rng;
+      boost::shared_ptr< boost::variate_generator <boost::mt19937, boost::poisson_distribution<> > > d_variate_poisson;
+      boost::shared_ptr< boost::variate_generator <boost::mt19937, boost::normal_distribution<> > > d_variate_normal;
+      boost::shared_ptr< boost::variate_generator <boost::mt19937, boost::uniform_real<> > > d_variate_uniform;
+
+      void update_dist();
+
+    public:
+      message_strobe_random_impl(pmt::pmt_t msg, message_strobe_random_distribution_t dist, float mean_ms, float std_ms);
+      ~message_strobe_random_impl();
+
+      void set_msg(pmt::pmt_t msg) { d_msg = msg; }
+      pmt::pmt_t msg() const { return d_msg; }
+      void set_mean(float mean_ms) { d_mean_ms = mean_ms; update_dist(); }
+      float mean() const { return d_mean_ms; }
+      void set_std(float std_ms) { d_std_ms = std_ms; update_dist(); }
+      float std() const { return d_std_ms; }
+      void set_dist(message_strobe_random_distribution_t dist){ d_dist = dist; }
+      message_strobe_random_distribution_t dist() const { return d_dist; }
+
+    };
+
+  } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_MESSAGE_STROBE_IMPL_H */
-- 
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