/* * Copyright (C) 2019 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. */ #ifndef ANDROID_HARDWARE_VIBRATOR_TEST_UTILS_H #define ANDROID_HARDWARE_VIBRATOR_TEST_UTILS_H #include #include "types.h" static inline EffectScale toScale(float target, float maximum) { return std::round((-20 * std::log10(target / static_cast(maximum))) / 0.125f); } static inline EffectScale levelToScale(EffectLevel level) { return toScale(level, 100); } static inline EffectScale amplitudeToScale(EffectAmplitude amplitude) { return toScale(amplitude, 1.0f); } static inline uint32_t msToCycles(EffectDuration ms) { return ms * 48; } #endif // ANDROID_HARDWARE_VIBRATOR_TEST_UTILS_H