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/*
* 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 <stdlib.h>
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);
}
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