/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2017 Scott Shawcroft 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. */ #ifndef __MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_AUDIOBUSIO_AUDIOOUT_H__ #define __MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_AUDIOBUSIO_AUDIOOUT_H__ #include "common-hal/microcontroller/Pin.h" #include "asf/sam0/drivers/i2s/i2s.h" #include "asf/sam0/drivers/tc/tc.h" #include "extmod/vfs_fat_file.h" #include "py/obj.h" typedef struct { mp_obj_base_t base; const mcu_pin_obj_t *clock_pin; const mcu_pin_obj_t *data_pin; uint32_t frequency; struct i2s_module i2s_instance; uint8_t serializer; uint8_t clock_unit; uint8_t bytes_per_sample; uint8_t bit_depth; } audiobusio_pdmin_obj_t; void pdmin_reset(void); void pdmin_background(void); #endif // __MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_AUDIOBUSIO_AUDIOOUT_H__