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452 lines
15 KiB
452 lines
15 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Vibrator.h"
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#include "utils.h"
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#include <cutils/properties.h>
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#include <hardware/hardware.h>
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#include <hardware/vibrator.h>
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#include <log/log.h>
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#include <utils/Trace.h>
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#include <cinttypes>
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#include <cmath>
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#include <fstream>
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#include <iostream>
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namespace aidl {
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namespace android {
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namespace hardware {
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namespace vibrator {
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static constexpr int8_t MAX_RTP_INPUT = 127;
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static constexpr int8_t MIN_RTP_INPUT = 0;
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static constexpr char RTP_MODE[] = "rtp";
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static constexpr char WAVEFORM_MODE[] = "waveform";
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// Use effect #1 in the waveform library for CLICK effect
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static constexpr uint8_t WAVEFORM_CLICK_EFFECT_INDEX = 1;
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// Use effect #2 in the waveform library for TICK effect
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static constexpr char WAVEFORM_TICK_EFFECT_INDEX = 2;
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// Use effect #3 in the waveform library for DOUBLE_CLICK effect
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static constexpr char WAVEFORM_DOUBLE_CLICK_EFFECT_INDEX = 3;
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// Use effect #4 in the waveform library for HEAVY_CLICK effect
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static constexpr char WAVEFORM_HEAVY_CLICK_EFFECT_INDEX = 4;
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static std::uint32_t freqPeriodFormula(std::uint32_t in) {
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return 1000000000 / (24615 * in);
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}
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static float freqPeriodFormulaFloat(std::uint32_t in) {
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return static_cast<float>(1000000000) / static_cast<float>(24615 * in);
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}
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using utils::toUnderlying;
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Vibrator::Vibrator(std::unique_ptr<HwApi> hwapi, std::unique_ptr<HwCal> hwcal)
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: mHwApi(std::move(hwapi)), mHwCal(std::move(hwcal)) {
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std::string autocal;
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uint32_t lraPeriod;
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bool dynamicConfig;
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if (!mHwApi->setState(true)) {
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ALOGE("Failed to set state (%d): %s", errno, strerror(errno));
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}
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if (mHwCal->getAutocal(&autocal)) {
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mHwApi->setAutocal(autocal);
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}
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mHwCal->getLraPeriod(&lraPeriod);
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mHwCal->getCloseLoopThreshold(&mCloseLoopThreshold);
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mHwCal->getDynamicConfig(&dynamicConfig);
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if (dynamicConfig) {
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uint32_t longFreqencyShift;
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uint32_t shortVoltageMax, longVoltageMax;
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mHwCal->getLongFrequencyShift(&longFreqencyShift);
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mHwCal->getShortVoltageMax(&shortVoltageMax);
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mHwCal->getLongVoltageMax(&longVoltageMax);
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mEffectConfig.reset(new VibrationConfig({
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.shape = WaveShape::SINE,
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.odClamp = shortVoltageMax,
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.olLraPeriod = lraPeriod,
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}));
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mSteadyConfig.reset(new VibrationConfig({
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.shape = WaveShape::SQUARE,
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.odClamp = longVoltageMax,
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// 1. Change long lra period to frequency
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// 2. Get frequency': subtract the frequency shift from the frequency
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// 3. Get final long lra period after put the frequency' to formula
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.olLraPeriod = freqPeriodFormula(freqPeriodFormula(lraPeriod) - longFreqencyShift),
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}));
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} else {
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mHwApi->setOlLraPeriod(lraPeriod);
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}
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mHwCal->getClickDuration(&mClickDuration);
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mHwCal->getTickDuration(&mTickDuration);
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mHwCal->getDoubleClickDuration(&mDoubleClickDuration);
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mHwCal->getHeavyClickDuration(&mHeavyClickDuration);
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}
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ndk::ScopedAStatus Vibrator::getCapabilities(int32_t *_aidl_return) {
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ATRACE_NAME("Vibrator::getCapabilities");
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int32_t ret = IVibrator::CAP_ALWAYS_ON_CONTROL | IVibrator::CAP_GET_RESONANT_FREQUENCY;
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if (mHwApi->hasRtpInput()) {
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ret |= IVibrator::CAP_AMPLITUDE_CONTROL;
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}
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*_aidl_return = ret;
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::on(uint32_t timeoutMs, const char mode[],
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const std::unique_ptr<VibrationConfig> &config) {
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LoopControl loopMode = LoopControl::OPEN;
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// Open-loop mode is used for short click for over-drive
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// Close-loop mode is used for long notification for stability
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if (mode == RTP_MODE && timeoutMs > mCloseLoopThreshold) {
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loopMode = LoopControl::CLOSE;
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}
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mHwApi->setCtrlLoop(toUnderlying(loopMode));
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if (!mHwApi->setDuration(timeoutMs)) {
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ALOGE("Failed to set duration (%d): %s", errno, strerror(errno));
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
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}
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mHwApi->setMode(mode);
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if (config != nullptr) {
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mHwApi->setLraWaveShape(toUnderlying(config->shape));
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mHwApi->setOdClamp(config->odClamp);
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mHwApi->setOlLraPeriod(config->olLraPeriod);
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}
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if (!mHwApi->setActivate(1)) {
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ALOGE("Failed to activate (%d): %s", errno, strerror(errno));
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::on(int32_t timeoutMs,
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const std::shared_ptr<IVibratorCallback> &callback) {
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ATRACE_NAME("Vibrator::on");
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if (callback) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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return on(timeoutMs, RTP_MODE, mSteadyConfig);
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}
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ndk::ScopedAStatus Vibrator::off() {
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ATRACE_NAME("Vibrator::off");
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if (!mHwApi->setActivate(0)) {
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ALOGE("Failed to turn vibrator off (%d): %s", errno, strerror(errno));
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::setAmplitude(float amplitude) {
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ATRACE_NAME("Vibrator::setAmplitude");
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if (amplitude <= 0.0f || amplitude > 1.0f) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
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}
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int32_t rtp_input = std::round(amplitude * (MAX_RTP_INPUT - MIN_RTP_INPUT) + MIN_RTP_INPUT);
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if (!mHwApi->setRtpInput(rtp_input)) {
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ALOGE("Failed to set amplitude (%d): %s", errno, strerror(errno));
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::setExternalControl(bool enabled) {
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ATRACE_NAME("Vibrator::setExternalControl");
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ALOGE("Not support in DRV2624 solution, %d", enabled);
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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binder_status_t Vibrator::dump(int fd, const char **args, uint32_t numArgs) {
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if (fd < 0) {
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ALOGE("Called debug() with invalid fd.");
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return STATUS_OK;
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}
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(void)args;
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(void)numArgs;
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dprintf(fd, "AIDL:\n");
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dprintf(fd, " Close Loop Thresh: %" PRIu32 "\n", mCloseLoopThreshold);
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if (mSteadyConfig) {
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dprintf(fd, " Steady Shape: %" PRIu32 "\n", mSteadyConfig->shape);
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dprintf(fd, " Steady OD Clamp: %" PRIu32 "\n", mSteadyConfig->odClamp);
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dprintf(fd, " Steady OL LRA Period: %" PRIu32 "\n", mSteadyConfig->olLraPeriod);
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}
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if (mEffectConfig) {
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dprintf(fd, " Effect Shape: %" PRIu32 "\n", mEffectConfig->shape);
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dprintf(fd, " Effect OD Clamp: %" PRIu32 "\n", mEffectConfig->odClamp);
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dprintf(fd, " Effect OL LRA Period: %" PRIu32 "\n", mEffectConfig->olLraPeriod);
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}
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dprintf(fd, " Click Duration: %" PRIu32 "\n", mClickDuration);
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dprintf(fd, " Tick Duration: %" PRIu32 "\n", mTickDuration);
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dprintf(fd, " Double Click Duration: %" PRIu32 "\n", mDoubleClickDuration);
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dprintf(fd, " Heavy Click Duration: %" PRIu32 "\n", mHeavyClickDuration);
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dprintf(fd, "\n");
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mHwApi->debug(fd);
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dprintf(fd, "\n");
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mHwCal->debug(fd);
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fsync(fd);
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return STATUS_OK;
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}
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ndk::ScopedAStatus Vibrator::getSupportedEffects(std::vector<Effect> *_aidl_return) {
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*_aidl_return = {Effect::TEXTURE_TICK, Effect::TICK, Effect::CLICK, Effect::HEAVY_CLICK,
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Effect::DOUBLE_CLICK};
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::perform(Effect effect, EffectStrength strength,
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const std::shared_ptr<IVibratorCallback> &callback,
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int32_t *_aidl_return) {
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ATRACE_NAME("Vibrator::perform");
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ndk::ScopedAStatus status;
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if (callback) {
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status = ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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} else {
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status = performEffect(effect, strength, _aidl_return);
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}
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return status;
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}
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static ndk::ScopedAStatus convertEffectStrength(EffectStrength strength, uint8_t *outScale) {
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uint8_t scale;
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switch (strength) {
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case EffectStrength::LIGHT:
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scale = 2; // 50%
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break;
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case EffectStrength::MEDIUM:
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case EffectStrength::STRONG:
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scale = 0; // 100%
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break;
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default:
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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*outScale = scale;
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::getEffectDetails(Effect effect, uint8_t *outIndex,
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uint32_t *outTimeMs) {
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switch (effect) {
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case Effect::TEXTURE_TICK:
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*outIndex = WAVEFORM_TICK_EFFECT_INDEX;
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*outTimeMs = mTickDuration;
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break;
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case Effect::CLICK:
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*outIndex = WAVEFORM_CLICK_EFFECT_INDEX;
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*outTimeMs = mClickDuration;
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break;
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case Effect::DOUBLE_CLICK:
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*outIndex = WAVEFORM_DOUBLE_CLICK_EFFECT_INDEX;
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*outTimeMs = mDoubleClickDuration;
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break;
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case Effect::TICK:
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*outIndex = WAVEFORM_TICK_EFFECT_INDEX;
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*outTimeMs = mTickDuration;
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break;
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case Effect::HEAVY_CLICK:
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*outIndex = WAVEFORM_HEAVY_CLICK_EFFECT_INDEX;
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*outTimeMs = mHeavyClickDuration;
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break;
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default:
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::performEffect(Effect effect, EffectStrength strength,
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int32_t *outTimeMs) {
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ndk::ScopedAStatus status;
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uint8_t index;
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uint32_t timeMS;
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uint8_t scale;
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status = getEffectDetails(effect, &index, &timeMS);
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if (!status.isOk()) {
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return status;
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}
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status = convertEffectStrength(strength, &scale);
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if (!status.isOk()) {
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return status;
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}
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mHwApi->setSequencer(std::to_string(index) + " 0");
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mHwApi->setScale(scale);
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status = on(timeMS, WAVEFORM_MODE, mEffectConfig);
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if (!status.isOk()) {
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return status;
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}
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*outTimeMs = timeMS;
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::getSupportedAlwaysOnEffects(std::vector<Effect> *_aidl_return) {
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*_aidl_return = {
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Effect::CLICK, Effect::DOUBLE_CLICK, Effect::TICK,
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Effect::HEAVY_CLICK, Effect::TEXTURE_TICK,
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};
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::alwaysOnEnable(int32_t id, Effect effect, EffectStrength strength) {
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if (id != 0) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus status;
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uint8_t index;
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uint32_t timeMs;
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uint8_t scale;
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status = getEffectDetails(effect, &index, &timeMs);
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if (!status.isOk()) {
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return status;
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}
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status = convertEffectStrength(strength, &scale);
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if (!status.isOk()) {
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return status;
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}
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if (!mHwApi->setLpTriggerEffect(index)) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
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}
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if (!mHwApi->setLpTriggerScale(scale)) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::alwaysOnDisable(int32_t id) {
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if (id != 0) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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mHwApi->setLpTriggerEffect(0);
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::getCompositionDelayMax(int32_t * /*maxDelayMs*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getCompositionSizeMax(int32_t * /*maxSize*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getSupportedPrimitives(
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std::vector<CompositePrimitive> * /*supported*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getPrimitiveDuration(CompositePrimitive /*primitive*/,
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int32_t * /*durationMs*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::compose(const std::vector<CompositeEffect> & /*composite*/,
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const std::shared_ptr<IVibratorCallback> & /*callback*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getResonantFrequency(float *resonantFreqHz) {
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uint32_t lraPeriod;
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if(!mHwCal->getLraPeriod(&lraPeriod)) {
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ALOGE("Failed to get resonant frequency (%d): %s", errno, strerror(errno));
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
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}
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*resonantFreqHz = freqPeriodFormulaFloat(lraPeriod);
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::getQFactor(float * /*qFactor*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getFrequencyResolution(float * /*freqResolutionHz*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getFrequencyMinimum(float * /*freqMinimumHz*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getBandwidthAmplitudeMap(std::vector<float> * /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getPwlePrimitiveDurationMax(int32_t * /*durationMs*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getPwleCompositionSizeMax(int32_t * /*maxSize*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getSupportedBraking(std::vector<Braking> * /*supported*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::composePwle(const std::vector<PrimitivePwle> & /*composite*/,
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const std::shared_ptr<IVibratorCallback> & /*callback*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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} // namespace vibrator
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} // namespace hardware
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} // namespace android
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} // namespace aidl
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