/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2023 Jeff Epler for Adafruit Industries * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #pragma once #include "shared-module/synthio/__init__.h" #include "shared-bindings/synthio/__init__.h" typedef struct synthio_note_obj { mp_obj_base_t base; mp_float_t frequency, ring_frequency; mp_float_t panning; mp_obj_t waveform_obj, envelope_obj, ring_waveform_obj; int32_t sample_rate; int32_t frequency_scaled; int32_t ring_frequency_scaled; int32_t amplitude_scaled; int32_t left_panning_scaled, right_panning_scaled; bool filter; synthio_bend_mode_t bend_mode; synthio_lfo_descr_t tremolo_descr, bend_descr; synthio_lfo_state_t tremolo_state, bend_state; mp_buffer_info_t waveform_buf; mp_buffer_info_t ring_waveform_buf; synthio_envelope_definition_t envelope_def; } synthio_note_obj_t; void synthio_note_recalculate(synthio_note_obj_t *self, int32_t sample_rate); uint32_t synthio_note_step(synthio_note_obj_t *self, int32_t sample_rate, int16_t dur, uint16_t loudness[2]); void synthio_note_start(synthio_note_obj_t *self, int32_t sample_rate); bool synthio_note_playing(synthio_note_obj_t *self); uint32_t synthio_note_envelope(synthio_note_obj_t *self);