/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2022 Matthew McGowan for Blues Inc. * * 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_STM_COMMON_HAL_AUDIOBUSIO_AUDIOOUT_H #define MICROPY_INCLUDED_STM_COMMON_HAL_AUDIOBUSIO_AUDIOOUT_H #include #include "py/obj.h" #include "peripherals/pins.h" #include "supervisor/memory.h" typedef struct MemsAudio_t MemsAudio; typedef struct MemsAudio_STM32L4SAIPDM_t MemsAudio_STM32L4SAIPDM; typedef struct { mp_obj_base_t base; const mcu_pin_obj_t *clock_pin; const mcu_pin_obj_t *data_pin; uint32_t sample_rate; uint8_t bit_depth; bool mono; uint8_t oversample; supervisor_allocation *audio_allocation; MemsAudio *audio; MemsAudio_STM32L4SAIPDM *audio_impl; /** * @brief Flag to indicate from the ISR that recording is complete. */ volatile bool recording_complete; } audiobusio_pdmin_obj_t; #endif