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220 lines
9.7 KiB
220 lines
9.7 KiB
4 months ago
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/*
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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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#pragma once
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#include <aidl/android/hardware/vibrator/BnVibrator.h>
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#include <fstream>
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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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class Vibrator : public BnVibrator {
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public:
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// APIs for interfacing with the kernel driver.
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class HwApi {
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public:
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virtual ~HwApi() = default;
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// Stores the COMP, BEMF, and GAIN calibration values to use.
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// <COMP> <BEMF> <GAIN>
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virtual bool setAutocal(std::string value) = 0;
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// Stores the open-loop LRA frequency to be used.
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virtual bool setOlLraPeriod(uint32_t value) = 0;
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// Activates/deactivates the vibrator for durations specified by
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// setDuration().
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virtual bool setActivate(bool value) = 0;
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// Specifies the vibration duration in milliseconds.
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virtual bool setDuration(uint32_t value) = 0;
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// Specifies the active state of the vibrator
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// (true = enabled, false = disabled).
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virtual bool setState(bool value) = 0;
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// Reports whether setRtpInput() is supported.
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virtual bool hasRtpInput() = 0;
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// Specifies the playback amplitude of the haptic waveforms in RTP mode.
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// Negative numbers indicates braking.
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virtual bool setRtpInput(int8_t value) = 0;
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// Specifies the mode of operation.
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// rtp - RTP Mode
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// waveform - Waveform Sequencer Mode
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// diag - Diagnostics Routine
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// autocal - Automatic Level Calibration Routine
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virtual bool setMode(std::string value) = 0;
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// Specifies a waveform sequence in index-count pairs.
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// <index-1> <count-1> [<index-2> <cound-2> ...]
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virtual bool setSequencer(std::string value) = 0;
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// Specifies the scaling of effects in Waveform mode.
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// 0 - 100%
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// 1 - 75%
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// 2 - 50%
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// 3 - 25%
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virtual bool setScale(uint8_t value) = 0;
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// Selects either closed loop or open loop mode.
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// (true = open, false = closed).
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virtual bool setCtrlLoop(bool value) = 0;
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// Specifies waveform index to be played in low-power trigger mode.
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// 0 - Disabled
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// 1+ - Waveform Index
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virtual bool setLpTriggerEffect(uint32_t value) = 0;
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// Specifies which shape to use for driving the LRA when in open loop
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// mode.
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// 0 - Square Wave
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// 1 - Sine Wave
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virtual bool setLraWaveShape(uint32_t value) = 0;
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// Specifies the maximum voltage for automatic overdrive and automatic
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// braking periods.
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virtual bool setOdClamp(uint32_t value) = 0;
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// Get usb temperature sensor value
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virtual bool getPATemp(int32_t *value) = 0;
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// Emit diagnostic information to the given file.
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virtual void debug(int fd) = 0;
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};
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// APIs for obtaining calibration/configuration data from persistent memory.
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class HwCal {
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public:
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virtual ~HwCal() = default;
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// Obtains the COMP, BEMF, and GAIN calibration values to use.
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virtual bool getAutocal(std::string *value) = 0;
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// Obtains the open-loop LRA frequency to be used.
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virtual bool getLraPeriod(uint32_t *value) = 0;
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// Obtains the effect coeffs to calculate the target voltage
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virtual bool getEffectCoeffs(std::array<float, 4> *value) = 0;
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// Obtains the external effect target G
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virtual bool getEffectTargetG(std::array<float, 5> *value) = 0;
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// Obtain the max steady G value
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virtual bool getSteadyAmpMax(float *value) = 0;
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// Obtains the steady coeffs to calculate the target voltage
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virtual bool getSteadyCoeffs(std::array<float, 4> *value) = 0;
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// Obtains the external steady target G
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virtual bool getSteadyTargetG(std::array<float, 3> *value) = 0;
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// Obtains threshold in ms, above which close-loop should be used.
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virtual bool getCloseLoopThreshold(uint32_t *value) = 0;
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// Obtains dynamic/static configuration choice.
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virtual bool getDynamicConfig(bool *value) = 0;
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// Obtains LRA frequency shift for long (steady) vibrations.
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virtual bool getLongFrequencyShift(uint32_t *value) = 0;
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// Obtains maximum voltage for short (effect) vibrations
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virtual bool getShortVoltageMax(uint32_t *value) = 0;
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// Obtains maximum voltage for long (steady) vibrations
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virtual bool getLongVoltageMax(uint32_t *value) = 0;
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// Obtains the duration for the click effect
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virtual bool getClickDuration(uint32_t *value) = 0;
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// Obtains the duration for the tick effect
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virtual bool getTickDuration(uint32_t *value) = 0;
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// Obtains the duration for the double-click effect
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virtual bool getDoubleClickDuration(uint32_t *value) = 0;
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// Obtains the duration for the heavy-click effect
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virtual bool getHeavyClickDuration(uint32_t *value) = 0;
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// Obtains the wave shape for effect haptics
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virtual bool getEffectShape(uint32_t *value) = 0;
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// Obtains the wave shape for steady vibration
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virtual bool getSteadyShape(uint32_t *value) = 0;
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// Obtains the trigger effect support
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virtual bool getTriggerEffectSupport(uint32_t *value) = 0;
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// Obtains device hardware version
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virtual bool getDevHwVer(std::string *value) = 0;
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// Emit diagnostic information to the given file.
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virtual void debug(int fd) = 0;
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};
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private:
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enum class LoopControl : bool {
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CLOSE = false,
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OPEN = true,
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};
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enum class WaveShape : uint32_t {
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SQUARE = 0,
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SINE = 1,
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};
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struct VibrationConfig {
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WaveShape shape;
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uint32_t *odClamp;
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uint32_t olLraPeriod;
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};
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enum OdClampOffset : uint32_t {
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TEXTURE_TICK,
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TICK,
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CLICK,
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HEAVY_CLICK,
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};
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public:
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Vibrator(std::unique_ptr<HwApi> hwapi, std::unique_ptr<HwCal> hwcal);
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ndk::ScopedAStatus getCapabilities(int32_t *_aidl_return) override;
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ndk::ScopedAStatus off() override;
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ndk::ScopedAStatus on(int32_t timeoutMs,
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const std::shared_ptr<IVibratorCallback> &callback) override;
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ndk::ScopedAStatus perform(Effect effect, EffectStrength strength,
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const std::shared_ptr<IVibratorCallback> &callback,
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int32_t *_aidl_return) override;
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ndk::ScopedAStatus getSupportedEffects(std::vector<Effect> *_aidl_return) override;
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ndk::ScopedAStatus setAmplitude(float amplitude) override;
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ndk::ScopedAStatus setExternalControl(bool enabled) override;
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ndk::ScopedAStatus getCompositionDelayMax(int32_t *maxDelayMs);
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ndk::ScopedAStatus getCompositionSizeMax(int32_t *maxSize);
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ndk::ScopedAStatus getSupportedPrimitives(std::vector<CompositePrimitive> *supported) override;
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ndk::ScopedAStatus getPrimitiveDuration(CompositePrimitive primitive,
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int32_t *durationMs) override;
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ndk::ScopedAStatus compose(const std::vector<CompositeEffect> &composite,
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const std::shared_ptr<IVibratorCallback> &callback) override;
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ndk::ScopedAStatus getSupportedAlwaysOnEffects(std::vector<Effect> *_aidl_return) override;
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ndk::ScopedAStatus alwaysOnEnable(int32_t id, Effect effect, EffectStrength strength) override;
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ndk::ScopedAStatus alwaysOnDisable(int32_t id) override;
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ndk::ScopedAStatus getResonantFrequency(float *resonantFreqHz) override;
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ndk::ScopedAStatus getQFactor(float *qFactor) override;
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ndk::ScopedAStatus getFrequencyResolution(float *freqResolutionHz) override;
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ndk::ScopedAStatus getFrequencyMinimum(float *freqMinimumHz) override;
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ndk::ScopedAStatus getBandwidthAmplitudeMap(std::vector<float> *_aidl_return) override;
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ndk::ScopedAStatus getPwlePrimitiveDurationMax(int32_t *durationMs) override;
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ndk::ScopedAStatus getPwleCompositionSizeMax(int32_t *maxSize) override;
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ndk::ScopedAStatus getSupportedBraking(std::vector<Braking> *supported) override;
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ndk::ScopedAStatus composePwle(const std::vector<PrimitivePwle> &composite,
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const std::shared_ptr<IVibratorCallback> &callback) override;
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binder_status_t dump(int fd, const char **args, uint32_t numArgs) override;
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private:
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ndk::ScopedAStatus on(uint32_t timeoutMs, const char mode[],
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const std::unique_ptr<VibrationConfig> &config, const int8_t volOffset);
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ndk::ScopedAStatus performEffect(Effect effect, EffectStrength strength, int32_t *outTimeMs);
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std::unique_ptr<HwApi> mHwApi;
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std::unique_ptr<HwCal> mHwCal;
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uint32_t mCloseLoopThreshold;
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std::unique_ptr<VibrationConfig> mSteadyConfig;
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std::unique_ptr<VibrationConfig> mEffectConfig;
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uint32_t mClickDuration;
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uint32_t mTickDuration;
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uint32_t mDoubleClickDuration;
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uint32_t mHeavyClickDuration;
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std::array<uint32_t, 5> mEffectTargetOdClamp;
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std::array<uint32_t, 3> mSteadyTargetOdClamp;
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uint32_t mSteadyOlLraPeriod;
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uint32_t mSteadyOlLraPeriodShift;
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bool mDynamicConfig;
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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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