| Fenglin Wu | 6dc9dde | 2020-04-09 13:58:32 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are |
| 6 | * met: |
| 7 | * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above |
| 10 | * copyright notice, this list of conditions and the following |
| 11 | * disclaimer in the documentation and/or other materials provided |
| 12 | * with the distribution. |
| 13 | * * Neither the name of The Linux Foundation nor the names of its |
| 14 | * contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include "effect.h" |
| 31 | |
| 32 | #define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a))) |
| 33 | |
| 34 | /* ~170 HZ sine waveform */ |
| 35 | static const int8_t effect_0[] = { |
| 36 | 17, 34, 50, 65, 79, 92, 103, 112, 119, 124, |
| 37 | 127, 127, 126, 122, 116, 108, 98, 86, 73, 58, |
| 38 | 42, 26, 9, -8, -25, -41, -57, -72, -85, -97, |
| 39 | -108, -116, -122, -126, -127, -127, -125, -120, |
| 40 | -113, -104, -93, -80, -66, -51, -35, -18, -1, |
| 41 | }; |
| 42 | |
| 43 | static const int8_t effect_1[] = { |
| 44 | -1, -18, -35, -51, -66, -80, -93, -104, -113, |
| 45 | -120, -125, -127, -127, -126, -122, -116, -108, |
| 46 | -97, -85, -72, -57, -41, -25, -8, 9, 26, 42, |
| 47 | 58, 73, 86, 98, 108, 116, 122, 126, 127, 127, |
| 48 | 124, 119, 112, 103, 92, 79, 65, 50, 34, 17, |
| 49 | }; |
| 50 | |
| 51 | static const struct effect_stream effects[] = { |
| 52 | { |
| 53 | .effect_id = 0, |
| 54 | .data = effect_0, |
| 55 | .length = ARRAY_SIZE(effect_0), |
| 56 | .play_rate_hz = 8000, |
| 57 | }, |
| 58 | |
| 59 | { |
| 60 | .effect_id = 1, |
| 61 | .data = effect_1, |
| 62 | .length = ARRAY_SIZE(effect_1), |
| 63 | .play_rate_hz = 8000, |
| 64 | }, |
| 65 | }; |
| 66 | |
| 67 | const struct effect_stream *get_effect_stream(uint32_t effect_id) |
| 68 | { |
| 69 | int i; |
| 70 | |
| 71 | for (i = 0; i < ARRAY_SIZE(effects); i++) { |
| 72 | if (effect_id == effects[i].effect_id) |
| 73 | return &effects[i]; |
| 74 | } |
| 75 | |
| 76 | return NULL; |
| 77 | } |