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/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "effect.h"
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
/* ~170 HZ sine waveform */
static const int8_t effect_0[] = {
17, 34, 50, 65, 79, 92, 103, 112, 119, 124,
127, 127, 126, 122, 116, 108, 98, 86, 73, 58,
42, 26, 9, -8, -25, -41, -57, -72, -85, -97,
-108, -116, -122, -126, -127, -127, -125, -120,
-113, -104, -93, -80, -66, -51, -35, -18, -1,
};
static const int8_t effect_1[] = {
-1, -18, -35, -51, -66, -80, -93, -104, -113,
-120, -125, -127, -127, -126, -122, -116, -108,
-97, -85, -72, -57, -41, -25, -8, 9, 26, 42,
58, 73, 86, 98, 108, 116, 122, 126, 127, 127,
124, 119, 112, 103, 92, 79, 65, 50, 34, 17,
};
static const struct effect_stream effects[] = {
{
.effect_id = 0,
.data = effect_0,
.length = ARRAY_SIZE(effect_0),
.play_rate_hz = 8000,
},
{
.effect_id = 1,
.data = effect_1,
.length = ARRAY_SIZE(effect_1),
.play_rate_hz = 8000,
},
};
const struct effect_stream *get_effect_stream(uint32_t effect_id)
{
int i;
for (i = 0; i < ARRAY_SIZE(effects); i++) {
if (effect_id == effects[i].effect_id)
return &effects[i];
}
return NULL;
}
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