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Diffstat (limited to 'src/common/Audio/audio.c')
-rw-r--r-- | src/common/Audio/audio.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/common/Audio/audio.c b/src/common/Audio/audio.c new file mode 100644 index 0000000..f68f867 --- /dev/null +++ b/src/common/Audio/audio.c @@ -0,0 +1,50 @@ +/* + * 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); + +} |