mirror of
https://github.com/eried/portapack-mayhem.git
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8aff0bb4d8
features a square wave mode. Added proportional beep duration based on the RSSI as well. Now reading the current radiosonde frequency from the battery backed RAM instead starting with the same frequency all the time.
64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2017 Furrtek
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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 __TONE_GEN_H__
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#define __TONE_GEN_H__
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#include <cstdint>
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#include <cstddef>
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class ToneGen {
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public:
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enum tone_type { sine, square };
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/*ToneGen(const size_t sample_rate
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) : sample_rate_ { sample_rate }
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{};*/
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void configure(const uint32_t delta, const float tone_mix_weight);
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void configure(const uint32_t freq, const float tone_mix_weight, const tone_type tone_type, const uint32_t sample_rate);
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int32_t process(const int32_t sample_in);
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private:
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tone_type current_tone_type_ { sine };
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float input_mix_weight_ { 1 };
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float tone_mix_weight_ { 0 };
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uint8_t delta_ { 0 };
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uint8_t tone_phase_ { 0 };
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/**
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* Generator function which selects every other sample from the reference sine waveform to the output sample:
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*/
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int32_t tone_sine();
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/**
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* Generator function for square waves:
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*/
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int32_t tone_square();
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};
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#endif /* __TONE_GEN_H__ */
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