mayhem-firmware/firmware/baseband/tone_gen.hpp
2017-11-10 00:25:04 +00:00

47 lines
1.3 KiB
C++

/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 Furrtek
*
* 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:
/*ToneGen(const size_t sample_rate
) : sample_rate_ { sample_rate }
{};*/
void configure(const uint32_t delta, const float tone_mix_weight);
int32_t process(const int32_t sample_in);
private:
//size_t sample_rate_;
float input_mix_weight_ { 1 };
float tone_mix_weight_ { 0 };
uint32_t delta_ { 0 };
uint32_t tone_phase_ { 0 };
};
#endif