GNU Radio 3.6.3 C++ API
gr_message_strobe.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2012 Free Software Foundation, Inc.
00004  *
00005  * This file is part of GNU Radio
00006  *
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  *
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 #ifndef INCLUDED_GR_MESSAGE_STROBE_H
00024 #define INCLUDED_GR_MESSAGE_STROBE_H
00025 
00026 #include <gr_core_api.h>
00027 #include <gr_block.h>
00028 #include <gr_message.h>
00029 #include <gr_msg_queue.h>
00030 
00031 class gr_message_strobe;
00032 typedef boost::shared_ptr<gr_message_strobe> gr_message_strobe_sptr;
00033 
00034 GR_CORE_API gr_message_strobe_sptr gr_make_message_strobe (pmt::pmt_t msg, float period_ms);
00035 
00036 /*!
00037  * \brief Send message at defined interval
00038  * \ingroup msg_blk
00039  */
00040 class GR_CORE_API gr_message_strobe : public gr_block
00041 {
00042  private:
00043   friend GR_CORE_API gr_message_strobe_sptr
00044   gr_make_message_strobe(pmt::pmt_t msg, float period_ms);
00045 
00046   boost::shared_ptr<boost::thread> d_thread;
00047   bool d_finished;
00048   float d_period_ms;
00049   pmt::pmt_t d_msg;
00050 
00051   void run();
00052 
00053  protected:
00054   gr_message_strobe (pmt::pmt_t msg, float period_ms);
00055 
00056  public:
00057   ~gr_message_strobe ();
00058 
00059   void set_msg(pmt::pmt_t msg){ d_msg = msg; }
00060 };
00061 
00062 #endif /* INCLUDED_GR_MESSAGE_STROBE_H */