/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2019 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. */ #ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_AUDIOPWMIO_PWMAUDIOOUT_H #define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_AUDIOPWMIO_PWMAUDIOOUT_H #include "common-hal/pwmio/PWMOut.h" #include "audio_dma.h" typedef struct { mp_obj_base_t base; pwmio_pwmout_obj_t left_pwm; pwmio_pwmout_obj_t right_pwm; audio_dma_t dma; uint16_t quiescent_value; uint8_t pacing_timer; bool stereo; // if false, only using left_pwm. } audiopwmio_pwmaudioout_obj_t; void audiopwmout_reset(void); void audiopwmout_background(void); #endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_AUDIOPWMIO_PWMAUDIOOUT_H