GNU Radio 3.5.1 C++ API
gr_pa_2x2_phase_combiner.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2006 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_PA_2X2_PHASE_COMBINER_H
00023 #define INCLUDED_GR_PA_2X2_PHASE_COMBINER_H
00024 
00025 #include <gr_core_api.h>
00026 #include <gr_sync_block.h>
00027 
00028 class gr_pa_2x2_phase_combiner;
00029 typedef boost::shared_ptr<gr_pa_2x2_phase_combiner> gr_pa_2x2_phase_combiner_sptr;
00030 
00031 GR_CORE_API gr_pa_2x2_phase_combiner_sptr gr_make_pa_2x2_phase_combiner ();
00032 
00033 /*!
00034  * \brief pa_2x2 phase combiner
00035  * \ingroup misc_blk
00036  *
00037  * Anntenas are arranged like this:
00038  *
00039  *     2  3
00040  *     0  1
00041  *
00042  * dx and dy are lambda/2.
00043  */
00044 class GR_CORE_API gr_pa_2x2_phase_combiner : public gr_sync_block
00045 {
00046   static const int      NM = 4;
00047 
00048   float         d_theta;
00049   gr_complex    d_phase[NM];
00050 
00051   gr_pa_2x2_phase_combiner ();
00052   friend GR_CORE_API gr_pa_2x2_phase_combiner_sptr gr_make_pa_2x2_phase_combiner();
00053 
00054  public:
00055   float theta() const { return d_theta; }
00056   void set_theta(float theta);
00057 
00058   int work(int noutput_items,
00059            gr_vector_const_void_star &input_items,
00060            gr_vector_void_star &output_items);
00061 };
00062 
00063 #endif /* INCLUDED_GR_PA_2X2_PHASE_COMBINER_H */