66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2021 Artyom Skrobov
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef MICROPY_INCLUDED_SHARED_MODULE_SYNTHIO_MIDITRACK_H
|
|
#define MICROPY_INCLUDED_SHARED_MODULE_SYNTHIO_MIDITRACK_H
|
|
|
|
#include "py/obj.h"
|
|
|
|
#include "shared-module/synthio/__init__.h"
|
|
|
|
typedef struct {
|
|
uint16_t dur;
|
|
uint8_t note[2];
|
|
} synthio_midi_span_t;
|
|
|
|
typedef struct {
|
|
mp_obj_base_t base;
|
|
uint32_t sample_rate;
|
|
uint16_t *buffer;
|
|
uint16_t buffer_length;
|
|
synthio_midi_span_t *track;
|
|
uint16_t next_span;
|
|
uint16_t total_spans;
|
|
} synthio_miditrack_obj_t;
|
|
|
|
|
|
// These are not available from Python because it may be called in an interrupt.
|
|
void synthio_miditrack_reset_buffer(synthio_miditrack_obj_t *self,
|
|
bool single_channel_output,
|
|
uint8_t channel);
|
|
|
|
audioio_get_buffer_result_t synthio_miditrack_get_buffer(synthio_miditrack_obj_t *self,
|
|
bool single_channel_output,
|
|
uint8_t channel,
|
|
uint8_t **buffer,
|
|
uint32_t *buffer_length); // length in bytes
|
|
|
|
void synthio_miditrack_get_buffer_structure(synthio_miditrack_obj_t *self, bool single_channel_output,
|
|
bool *single_buffer, bool *samples_signed,
|
|
uint32_t *max_buffer_length, uint8_t *spacing);
|
|
|
|
#endif // MICROPY_INCLUDED_SHARED_MODULE_SYNTHIO_MIDITRACK_H
|