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/* -*- c++ -*- */
/*
* Copyright 2016 Analog Devices Inc.
* Author: Paul Cercueil <paul.cercueil@analog.com>
*
* This 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.
*
* This software 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 this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_GR_IIO_MATH_IMPL_H
#define INCLUDED_GR_IIO_MATH_IMPL_H
#include <vector>
#include <gnuradio/basic_block.h>
#include <gnuradio/iio/math.h>
extern "C" {
#include "parser.h"
int yyparse(yyscan_t scanner);
void *yy_scan_string(const char *str, yyscan_t scanner);
void yy_delete_buffer(void *buf, yyscan_t scanner);
}
namespace gr {
namespace iio {
class iio_math_impl : public iio_math
{
public:
iio_math_impl(const std::string &function, int ninputs);
~iio_math_impl();
struct block;
void register_block(struct block *block);
void set_port_used(unsigned int port);
virtual gr::basic_block_sptr get_src_block();
virtual void connect_to_output(gr::basic_block_sptr block, unsigned int port = 0);
private:
std::vector<struct block *> blocks;
std::vector<bool> connected_ports;
void connect_null_sinks();
protected:
iio_math_impl() {}
int parse_function(const std::string &function);
void cleanup();
};
class iio_math_gen_impl : public iio_math_impl,
public iio_math_gen
{
public:
iio_math_gen_impl(double sampling_freq, double wav_freq,
const std::string &function);
virtual gr::basic_block_sptr get_src_block();
virtual void connect_to_output(gr::basic_block_sptr block, unsigned int port = 0);
private:
gr::basic_block_sptr src_block;
};
}
}
#endif /* INCLUDED_GR_IIO_MATH_IMPL_H */
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