1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef ANDROID_HARDWARE_VIBRATOR_TEST_UTILS_H 17 #define ANDROID_HARDWARE_VIBRATOR_TEST_UTILS_H 18 19 #include <cmath> 20 21 #include "types.h" 22 toScale(float amplitude,float maximum)23static inline EffectScale toScale(float amplitude, float maximum) { 24 float ratio = 100; /* Unit: % */ 25 if (maximum != 0) 26 ratio = amplitude / maximum * 100; 27 28 if (maximum == 0 || ratio > 100) 29 ratio = 100; 30 31 return std::round(ratio); 32 } 33 levelToScale(EffectLevel level)34static inline EffectScale levelToScale(EffectLevel level) { 35 return toScale(level, 100); 36 } 37 amplitudeToScale(EffectAmplitude amplitude)38static inline EffectScale amplitudeToScale(EffectAmplitude amplitude) { 39 return toScale(amplitude, 1.0f); 40 } 41 msToCycles(EffectDuration ms)42static inline uint32_t msToCycles(EffectDuration ms) { 43 return ms * 48; 44 } 45 46 #endif // ANDROID_HARDWARE_VIBRATOR_TEST_UTILS_H 47