portapack-mayhem/firmware/baseband/tone_gen.hpp
2024-03-19 10:53:55 +01:00

50 lines
1.4 KiB
C++

/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 Furrtek
* Copyright (C) 2024 Mark Thompson
*
* This file is part of PortaPack.
*
* This program 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 2, or (at your option)
* any later version.
*
* This program 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 this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __TONE_GEN_H__
#define __TONE_GEN_H__
#include <cstdint>
#include <cstddef>
class ToneGen {
public:
void configure(const uint32_t delta, const float tone_mix_weight);
int32_t process(const int32_t sample_in);
void configure_beep(const uint32_t freq, const uint32_t sample_rate);
int16_t process_beep();
private:
float input_mix_weight_{1};
float tone_mix_weight_{0};
float f_delta_{0.0};
float f_tone_phase_{0.0};
uint32_t delta_{0};
uint32_t tone_phase_{0};
};
#endif /* __TONE_GEN_H__ */