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-rw-r--r--src/common/Audio/audio.c50
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diff --git a/src/common/Audio/audio.c b/src/common/Audio/audio.c
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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);
+
+}