basic_waves.h

/*
 * Copyright © 2017-2023 Synthstrom Audible Limited, 2025 Mark Adams
 *
 * This file is part of The Synthstrom Audible Deluge Firmware.
 *
 * The Synthstrom Audible Deluge Firmware 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 3 of the License, 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.
 * If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
#include <cstdint>
#include <span>
#include <utility>
 
namespace deluge::dsp {
void renderWave(const int16_t* __restrict__ table, int32_t tableSizeMagnitude, int32_t amplitude,
                std::span<int32_t> buffer, uint32_t phaseIncrement, uint32_t phase, bool applyAmplitude,
                uint32_t phaseToAdd, int32_t amplitudeIncrement);
void renderPulseWave(const int16_t* __restrict__ table, int32_t tableSizeMagnitude, int32_t amplitude,
                     std::span<int32_t> outputBuffer, uint32_t phaseIncrement, uint32_t phase, bool applyAmplitude,
                     uint32_t phaseToAdd, int32_t amplitudeIncrement);

uint32_t renderCrudeSawWave(std::span<int32_t> buffer, uint32_t phase, uint32_t phase_increment, int32_t amplitude,
                            int32_t amplitude_increment);

uint32_t renderCrudeSawWave(std::span<int32_t> buffer, uint32_t phase, uint32_t phase_increment);
std::pair<int32_t, int32_t> getTableNumber(uint32_t phaseIncrement);
extern const int16_t* sawTables[20];
extern const int16_t* squareTables[20];
extern const int16_t* analogSquareTables[20];
extern const int16_t* analogSawTables[20];
 
} // namespace deluge::dsp