GNU Radio 3.5.1 C++ API
gr_probe_signal_f.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2005 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 #ifndef INCLUDED_GR_PROBE_SIGNAL_F_H
00023 #define INCLUDED_GR_PROBE_SIGNAL_F_H
00024 
00025 #include <gr_core_api.h>
00026 #include <gr_sync_block.h>
00027 
00028 class gr_probe_signal_f;
00029 typedef boost::shared_ptr<gr_probe_signal_f> gr_probe_signal_f_sptr;
00030 
00031 GR_CORE_API gr_probe_signal_f_sptr
00032 gr_make_probe_signal_f ();
00033 
00034 /*!
00035  * \brief Sink that allows a sample to be grabbed from Python.
00036  * \ingroup sink_blk
00037  */
00038 class GR_CORE_API gr_probe_signal_f : public gr_sync_block
00039 {
00040   float d_level;
00041 
00042   friend GR_CORE_API gr_probe_signal_f_sptr
00043   gr_make_probe_signal_f();
00044 
00045   gr_probe_signal_f();
00046 
00047 public:
00048   ~gr_probe_signal_f();
00049 
00050   int work(int noutput_items,
00051            gr_vector_const_void_star &input_items,
00052            gr_vector_void_star &output_items);
00053 
00054   float level() const { return d_level; }
00055 
00056 };
00057 
00058 #endif /* INCLUDED_GR_PROBE_SIGNAL_F_H */