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https://github.com/eried/portapack-mayhem.git
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55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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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; either version 2, or (at your option)
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* 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 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __PROC_WFM_AUDIO_H__
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#define __PROC_WFM_AUDIO_H__
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#include "baseband_processor.hpp"
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#include "channel_decimator.hpp"
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#include "dsp_decimate.hpp"
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#include "dsp_demodulate.hpp"
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#include "dsp_fir_taps.hpp"
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#include "dsp_iir.hpp"
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#include "dsp_iir_config.hpp"
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class WidebandFMAudio : public BasebandProcessor {
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public:
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WidebandFMAudio();
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void execute(const buffer_c8_t& buffer) override;
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private:
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std::array<complex16_t, 512> dst;
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dsp::decimate::FIRC8xR16x24FS4Decim4 decim_0;
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dsp::decimate::FIRC16xR16x16Decim2 decim_1;
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dsp::demodulate::FM demod;
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dsp::decimate::DecimateBy2CIC4Real audio_dec_1;
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dsp::decimate::DecimateBy2CIC4Real audio_dec_2;
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dsp::decimate::FIR64AndDecimateBy2Real audio_filter;
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IIRBiquadFilter audio_hpf { audio_hpf_30hz_config };
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IIRBiquadFilter audio_deemph { audio_deemph_2122_6_config };
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};
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#endif/*__PROC_WFM_AUDIO_H__*/
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