/* * The MIT License (MIT) * * Copyright (c) 2016 Matthias P. Braendli, Maximilien Cuony * * 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. */ #include "Audio/audio.h" #include AudioCallbackFunction *callback_function; void *callback_context; int16_t * next_buffer_samples; int next_buffer_length; int buffer_number; bool dma_running; void audio_initialize(int plln, int pllr, int i2sdiv, int i2sodd, int rate) { // Intitialize state. callback_function = NULL; callback_context = NULL; next_buffer_samples = NULL; next_buffer_length = 0; buffer_number = 0; dma_running = false; audio_initialize_platform(plln, pllr, i2sdiv, i2sodd, rate); audio_set_volume(0xff); }