1 files changed, 0 insertions, 114 deletions
diff --git a/library/ADK2/Audio.c b/library/ADK2/Audio.c
deleted file mode 100644
index 062efac..0000000
--- a/library/ADK2/Audio.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#define ADK_INTERNAL
-#include "fwk.h"
-#include "Audio.h"
-#include "coop.h"
-
-#define DEFAULT_AUDIO_SAMPLERATE 44100
-
-static uint32_t sampleRates[AUDIO_MAX_SOURCE];
-static uint32_t audioActive; // bitmap of active audio sources
-
-static int highestPriAudio(void)
-{
-    int i;
-
-    if (audioActive == 0)
-        return -1;
-
-    return (31 - __builtin_clz(audioActive));
-}
-
-void audioInit(void)
-{
-    PMC_EnablePeripheral(ID_PWM);
-    PWMC_ConfigureClocks(0, 0, BOARD_MCK);
-    PWMC_ConfigureChannel(PWM, 0, PWM_CMR_CPRE_MCK, 0, 0);
-    PWMC_ConfigureEventLineMode(PWM, 0, 1);
-
-    audioSetSample(AUDIO_NULL, DEFAULT_AUDIO_SAMPLERATE);
-
-    PWMC_EnableChannel(PWM, 0);
-    PMC_EnablePeripheral(ID_DACC);
-    DACC_Initialize(DACC, ID_DACC, 1, 4, 0, 0, BOARD_MCK, 8, DACC_CHANNEL_0, 0, 16 );
-    DACC_EnableChannel(DACC, DACC_CHANNEL_0);
-}
-
-void audioOn(int source, uint32_t samplerate)
-{
-    audioActive |= (1 << source);
-
-    audioSetSample(source, samplerate);
-}
-
-void audioOff(int source)
-{
-    int resetsample = 0;
-    if (source == highestPriAudio())
-        resetsample = 1;
-
-    audioActive &= ~(1 << source);
-
-    // switch to the new highest priority audio's sample rate
-    int highest = highestPriAudio();
-    if (resetsample && highest >= 0) {
-        audioSetSample(highest, sampleRates[highest]);
-    }
-}
-
-void audioSetSample(int source, uint32_t samplerate)
-{
-    sampleRates[source] = samplerate;
-
-    // if we're not the highest priority audio source, dont set it
-    if (source != highestPriAudio())
-        return;
-
-    samplerate = (BOARD_MCK + samplerate - 1) / samplerate; //err on the side of slower audio
-
-    PWMC_SetPeriod(PWM, 0, samplerate);
-    PWMC_ConfigureComparisonUnit(PWM, 0, (samplerate + 1) >> 1, 1);
-}
-
-void audioAddBuffer(int source, const uint16_t* samples, uint32_t numSamples)
-{
-    // see if we're the highest priority audio, drop on the floor if we're not
-    if (source != highestPriAudio())
-        return;
-
-    while(!DACC_WriteBuffer(DACC, samples, numSamples)) coopYield();
-}
-
-int audioTryAddBuffer(int source, const uint16_t* samples, uint32_t numSamples)
-{
-    // see if we're the highest priority audio, drop on the floor if we're not
-    if (source != highestPriAudio())
-        return 1; // pretend we queued
-
-    int first_free = (DACC->DACC_TCR == 0) && (DACC->DACC_TNCR == 0);
-
-    uint32_t res = DACC_WriteBuffer(DACC, samples, numSamples);
-
-    if (!res)
-        return 0;
-
-    if (first_free)
-        return 1;
-    else
-        return DACC->DACC_TCR;
-}
-