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81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
/* slew.h
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This file is part of a program that implements a Software-Defined Radio.
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Copyright (C) 2013 Warren Pratt, NR0V
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Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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The author can be reached by email at
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warren@wpratt.com
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*/
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#ifndef wdsp_slew_h
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#define wdsp_slew_h
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#include "export.h"
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namespace WDSP {
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class TXA;
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class WDSP_API USLEW
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{
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public:
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TXA *txa;
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long *ch_upslew;
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int size;
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float* in;
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float* out;
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float rate;
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float tdelay;
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float tupslew;
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int runmode;
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int state;
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int count;
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int ndelup;
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int ntup;
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float* cup;
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static USLEW* create_uslew (
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TXA *txa,
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long *ch_upslew,
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int size, float* in,
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float* out,
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float rate,
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float tdelay,
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float tupslew
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);
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static void destroy_uslew (USLEW *a);
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static void flush_uslew (USLEW *a);
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static void xuslew (USLEW *a);
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static void setBuffers_uslew (USLEW *a, float* in, float* out);
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static void setSamplerate_uslew (USLEW *a, int rate);
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static void setSize_uslew (USLEW *a, int size);
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// TXA Properties
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static void SetuSlewTime (TXA& txa, float time);
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private:
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static void calc_uslew (USLEW *a);
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static void decalc_uslew (USLEW *a);
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};
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} // namespace WDSP
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#endif
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