circuitpython/ports/esp32s2/common-hal/audiobusio/__init__.h

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 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 "py/obj.h"
#include "supervisor/background_callback.h"
#include "driver/i2s.h"
typedef struct {
mp_obj_t *sample;
bool left_justified;
bool loop;
bool paused;
bool playing;
bool stopping;
bool samples_signed;
int8_t bytes_per_sample;
int8_t channel_count;
int8_t instance;
uint16_t buffer_length;
uint8_t *sample_data, *sample_end;
i2s_config_t i2s_config;
background_callback_t callback;
} i2s_t;
void port_i2s_allocate_init(i2s_t *self, bool left_justified);
void port_i2s_reset_instance(int i);
void i2s_reset(void);
void port_i2s_play(i2s_t *self, mp_obj_t sample, bool loop);
void port_i2s_stop(i2s_t *self);
bool port_i2s_playing(i2s_t *self);
bool port_i2s_paused(i2s_t *self);
void port_i2s_pause(i2s_t *self);
void port_i2s_resume(i2s_t *self);