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/* -*- c++ -*- */
/*
* Copyright 2005,2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_BLOCKS_CHAR_TO_FLOAT_H
#define INCLUDED_BLOCKS_CHAR_TO_FLOAT_H
#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
namespace gr {
namespace blocks {
/*!
* \brief Convert stream of chars to a stream of float.
* \ingroup type_converters_blk
*
* \details
* Converts \p vlen length vectors of input char samples to floats
* and applies a scaling factor of \p scale:
*
* \li output[0][m:m+vlen] = static_cast<float>(input[0][m:m+vlen]) / scale
*/
class BLOCKS_API char_to_float : virtual public sync_block
{
public:
// gr::blocks::char_to_float_ff::sptr
typedef std::shared_ptr<char_to_float> sptr;
/*!
* Build a chars to float stream converter block.
*
* \param vlen vector length of data streams.
* \param scale a scalar divider to change the output signal scale.
*/
static sptr make(size_t vlen = 1, float scale = 1.0);
/*!
* Get the scalar divider value.
*/
virtual float scale() const = 0;
/*!
* Set the scalar divider value.
*/
virtual void set_scale(float scale) = 0;
};
} /* namespace blocks */
} /* namespace gr */
#endif /* INCLUDED_BLOCKS_CHAR_TO_FLOAT_H */
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