GNU Radio v3.6.2-149-ga6d285d9 C++ API
digital_map_bb.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2006,2012 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 #ifndef INCLUDED_GR_MAP_BB_H
00023 #define INCLUDED_GR_MAP_BB_H
00024 
00025 #include <digital_api.h>
00026 #include <gr_sync_block.h>
00027 
00028 class digital_map_bb;
00029 typedef boost::shared_ptr<digital_map_bb> digital_map_bb_sptr;
00030 
00031 DIGITAL_API digital_map_bb_sptr
00032 digital_make_map_bb(const std::vector<int> &map);
00033 
00034 /*!
00035  * \brief output[i] = map[input[i]]
00036  * \ingroup coding_blk
00037  *
00038  * This block maps an incoming signal to the value in the map.
00039  * The block expects that the incoming signal has a maximum
00040  * value of len(map)-1.
00041  *
00042  * -> output[i] = map[input[i]]
00043  *
00044  * \param map a vector of integers.
00045  */
00046 
00047 class DIGITAL_API digital_map_bb : public gr_sync_block
00048 {
00049   friend DIGITAL_API digital_map_bb_sptr
00050     digital_make_map_bb(const std::vector<int> &map);
00051 
00052   unsigned char d_map[0x100];
00053 
00054   digital_map_bb(const std::vector<int> &map);
00055 
00056 public:
00057   int work(int noutput_items,
00058            gr_vector_const_void_star &input_items,
00059            gr_vector_void_star &output_items);
00060 };
00061 
00062 #endif /* INCLUDED_GR_MAP_BB_H */