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blocks: added gr::blocks::uchar_to_float
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<?xml version="1.0"?> | ||
<!-- | ||
################################################### | ||
##Unsigned Char to Float: | ||
################################################### | ||
--> | ||
<block> | ||
<name>UChar To Float</name> | ||
<key>blocks_uchar_to_float</key> | ||
<import>from gnuradio import blocks</import> | ||
<make>blocks.uchar_to_float()</make> | ||
<sink> | ||
<name>in</name> | ||
<type>byte</type> | ||
</sink> | ||
<source> | ||
<name>out</name> | ||
<type>float</type> | ||
</source> | ||
</block> |
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/* -*- c++ -*- */ | ||
/* | ||
* Copyright 2012 Free Software Foundation, Inc. | ||
* | ||
* This file is part of GNU Radio | ||
* | ||
* GNU Radio 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. | ||
* | ||
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to | ||
* the Free Software Foundation, Inc., 51 Franklin Street, | ||
* Boston, MA 02110-1301, USA. | ||
*/ | ||
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#ifndef INCLUDED_BLOCKS_UCHAR_TO_FLOAT_H | ||
#define INCLUDED_BLOCKS_UCHAR_TO_FLOAT_H | ||
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#include <blocks/api.h> | ||
#include <gr_sync_block.h> | ||
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namespace gr { | ||
namespace blocks { | ||
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/*! | ||
* \brief Convert stream of unsigned chars to a stream of floats | ||
* \ingroup converter_blk | ||
*/ | ||
class BLOCKS_API uchar_to_float : virtual public gr_sync_block | ||
{ | ||
public: | ||
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// gr::blocks::uchar_to_float_ff::sptr | ||
typedef boost::shared_ptr<uchar_to_float> sptr; | ||
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static sptr make(); | ||
}; | ||
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} /* namespace blocks */ | ||
} /* namespace gr */ | ||
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#endif /* INCLUDED_BLOCKS_UCHAR_TO_FLOAT_H */ |
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/* -*- c++ -*- */ | ||
/* | ||
* Copyright 2005,2012 Free Software Foundation, Inc. | ||
* | ||
* This file is part of GNU Radio | ||
* | ||
* GNU Radio 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. | ||
* | ||
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to | ||
* the Free Software Foundation, Inc., 51 Franklin Street, | ||
* Boston, MA 02110-1301, USA. | ||
*/ | ||
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#include <uchar_array_to_float.h> | ||
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void | ||
uchar_array_to_float (const unsigned char *in, float *out, int nsamples) | ||
{ | ||
while (nsamples >= 4){ | ||
out[0] = in[0]; | ||
out[1] = in[1]; | ||
out[2] = in[2]; | ||
out[3] = in[3]; | ||
out += 4; | ||
in += 4; | ||
nsamples -= 4; | ||
} | ||
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while (nsamples-- > 0) | ||
*out++ = *in++; | ||
} |
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/* -*- c++ -*- */ | ||
/* | ||
* Copyright 2005, 2012 Free Software Foundation, Inc. | ||
* | ||
* This file is part of GNU Radio | ||
* | ||
* GNU Radio 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. | ||
* | ||
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to | ||
* the Free Software Foundation, Inc., 51 Franklin Street, | ||
* Boston, MA 02110-1301, USA. | ||
*/ | ||
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#ifndef INCLUDED_UCHAR_ARRAY_TO_FLOAT_H | ||
#define INCLUDED_UCHAR_ARRAY_TO_FLOAT_H | ||
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#include <blocks/api.h> | ||
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/* | ||
* convert array of unsigned chars to floats | ||
*/ | ||
BLOCKS_API void uchar_array_to_float (const unsigned char *in, float *out, int nsamples); | ||
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#endif /* INCLUDED_UCHAR_ARRAY_TO_FLOAT_H */ |
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/* -*- c++ -*- */ | ||
/* | ||
* Copyright 2012 Free Software Foundation, Inc. | ||
* | ||
* This file is part of GNU Radio | ||
* | ||
* GNU Radio 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. | ||
* | ||
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to | ||
* the Free Software Foundation, Inc., 51 Franklin Street, | ||
* Boston, MA 02110-1301, USA. | ||
*/ | ||
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#ifdef HAVE_CONFIG_H | ||
#include "config.h" | ||
#endif | ||
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#include "uchar_to_float_impl.h" | ||
#include "uchar_array_to_float.h" | ||
#include <gr_io_signature.h> | ||
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namespace gr { | ||
namespace blocks { | ||
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uchar_to_float::sptr uchar_to_float::make() | ||
{ | ||
return gnuradio::get_initial_sptr(new uchar_to_float_impl()); | ||
} | ||
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uchar_to_float_impl::uchar_to_float_impl() | ||
: gr_sync_block("uchar_to_float", | ||
gr_make_io_signature (1, 1, sizeof(unsigned char)), | ||
gr_make_io_signature (1, 1, sizeof(float))) | ||
{ | ||
} | ||
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int | ||
uchar_to_float_impl::work(int noutput_items, | ||
gr_vector_const_void_star &input_items, | ||
gr_vector_void_star &output_items) | ||
{ | ||
const unsigned char *in = (const unsigned char *) input_items[0]; | ||
float *out = (float *) output_items[0]; | ||
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uchar_array_to_float (in, out, noutput_items); | ||
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return noutput_items; | ||
} | ||
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} /* namespace blocks */ | ||
}/* namespace gr */ |
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/* -*- c++ -*- */ | ||
/* | ||
* Copyright 2012 Free Software Foundation, Inc. | ||
* | ||
* This file is part of GNU Radio | ||
* | ||
* GNU Radio 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. | ||
* | ||
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to | ||
* the Free Software Foundation, Inc., 51 Franklin Street, | ||
* Boston, MA 02110-1301, USA. | ||
*/ | ||
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#ifndef INCLUDED_UCHAR_TO_FLOAT_IMPL_H | ||
#define INCLUDED_UCHAR_TO_FLOAT_IMPL_H | ||
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#include <blocks/uchar_to_float.h> | ||
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namespace gr { | ||
namespace blocks { | ||
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class BLOCKS_API uchar_to_float_impl : public uchar_to_float | ||
{ | ||
public: | ||
uchar_to_float_impl(); | ||
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int work(int noutput_items, | ||
gr_vector_const_void_star &input_items, | ||
gr_vector_void_star &output_items); | ||
}; | ||
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} /* namespace blocks */ | ||
} /* namespace gr */ | ||
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#endif /* INCLUDED_UCHAR_TO_FLOAT_IMPL_H */ |
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