2023-01-08 18:03:29 +00:00
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///////////////////////////////////////////////////////////////////////////////////
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2023-11-19 04:24:06 +00:00
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// Copyright (C) 2015-2017, 2019, 2023 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2015 John Greb <hexameron@spam.no> //
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2023-01-08 18:03:29 +00:00
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// //
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// This is the code from ft8mon: https://github.com/rtmrtmrtmrtm/ft8mon //
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// reformatted and adapted to Qt and SDRangel context //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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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 V3 for more details. //
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// //
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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, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef UTIL_H
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#define UTIL_H
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#include <vector>
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#include <complex>
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2023-01-10 23:21:47 +00:00
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namespace FT8 {
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2023-01-08 20:41:43 +00:00
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double now();
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2023-01-08 18:03:29 +00:00
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std::complex<float> goertzel(std::vector<float> v, int rate, int i0, int n, float hz);
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float vmax(const std::vector<float> &v);
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std::vector<float> vreal(const std::vector<std::complex<float>> &a);
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std::vector<float> vimag(const std::vector<std::complex<float>> &a);
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std::vector<std::complex<float>> gfsk_c(
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const std::vector<int> &symbols,
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float hz0, float hz1,
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float spacing, int rate, int symsamples,
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float phase0,
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const std::vector<float> &gwin
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);
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std::vector<float> gfsk_r(
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const std::vector<int> &symbols,
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float hz0, float hz1,
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float spacing, int rate, int symsamples,
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float phase0,
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const std::vector<float> &gwin
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);
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std::vector<float> gfsk_window(int samples_per_symbol, float b);
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std::string trim(const std::string &s);
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typedef unsigned long ulong;
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typedef unsigned int uint;
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2023-01-10 23:21:47 +00:00
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2023-01-08 18:03:29 +00:00
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} // namespace FT8
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#endif
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