You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
hardware_samsung/aidl/vibrator/Vibrator.cpp

339 lines
11 KiB

/*
* Copyright (C) 2021-2023 The LineageOS Project
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "Vibrator.h"
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <cmath>
#include <fstream>
#include <iostream>
#include <map>
#include <thread>
namespace aidl {
namespace android {
namespace hardware {
namespace vibrator {
const std::string kVibratorPropPrefix = "ro.vendor.vibrator_hal.";
const std::string kVibratorPropDuration = "_duration";
static std::map<Effect, int> CP_TRIGGER_EFFECTS {
{ Effect::CLICK, 10 },
{ Effect::DOUBLE_CLICK, 14 },
{ Effect::HEAVY_CLICK, 23 },
{ Effect::TEXTURE_TICK, 50 },
{ Effect::TICK, 50 }
};
#ifdef VIBRATOR_SUPPORTS_DURATION_AMPLITUDE_CONTROL
static std::map<EffectStrength, float> DURATION_AMPLITUDE = {
{ EffectStrength::LIGHT, DURATION_AMPLITUDE_LIGHT },
{ EffectStrength::MEDIUM, DURATION_AMPLITUDE_MEDIUM },
{ EffectStrength::STRONG, DURATION_AMPLITUDE_STRONG }
};
#endif
/*
* Write value to path and close file.
*/
template <typename T>
static ndk::ScopedAStatus writeNode(const std::string& path, const T& value) {
std::ofstream node(path);
if (!node) {
LOG(ERROR) << "Failed to open: " << path;
return ndk::ScopedAStatus::fromStatus(STATUS_UNKNOWN_ERROR);
}
LOG(DEBUG) << "writeNode node: " << path << " value: " << value;
node << value << std::endl;
if (!node) {
LOG(ERROR) << "Failed to write: " << value;
return ndk::ScopedAStatus::fromStatus(STATUS_UNKNOWN_ERROR);
}
return ndk::ScopedAStatus::ok();
}
static bool nodeExists(const std::string& path) {
std::ofstream f(path.c_str());
return f.good();
}
static int getIntProperty(const std::string& key, int def) {
return ::android::base::GetIntProperty(kVibratorPropPrefix + key, def);
}
Vibrator::Vibrator() {
mIsTimedOutVibrator = nodeExists(VIBRATOR_TIMEOUT_PATH);
mHasTimedOutIntensity = nodeExists(VIBRATOR_INTENSITY_PATH);
mHasTimedOutEffect = nodeExists(VIBRATOR_CP_TRIGGER_PATH);
}
ndk::ScopedAStatus Vibrator::getCapabilities(int32_t* _aidl_return) {
*_aidl_return = IVibrator::CAP_ON_CALLBACK | IVibrator::CAP_PERFORM_CALLBACK |
IVibrator::CAP_EXTERNAL_CONTROL /*| IVibrator::CAP_COMPOSE_EFFECTS |
IVibrator::CAP_ALWAYS_ON_CONTROL*/;
#ifdef VIBRATOR_SUPPORTS_DURATION_AMPLITUDE_CONTROL
*_aidl_return |= IVibrator::CAP_AMPLITUDE_CONTROL | IVibrator::CAP_EXTERNAL_AMPLITUDE_CONTROL;
#else
if (mHasTimedOutIntensity)
*_aidl_return |= IVibrator::CAP_AMPLITUDE_CONTROL | IVibrator::CAP_EXTERNAL_AMPLITUDE_CONTROL;
#endif
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus Vibrator::off() {
return activate(0);
}
ndk::ScopedAStatus Vibrator::on(int32_t timeoutMs, const std::shared_ptr<IVibratorCallback>& callback) {
ndk::ScopedAStatus status;
if (mHasTimedOutEffect)
writeNode(VIBRATOR_CP_TRIGGER_PATH, 0); // Clear all effects
#ifdef VIBRATOR_SUPPORTS_DURATION_AMPLITUDE_CONTROL
timeoutMs *= mDurationAmplitude;
#endif
status = activate(timeoutMs);
if (callback != nullptr) {
std::thread([=] {
LOG(DEBUG) << "Starting on on another thread";
usleep(timeoutMs * 1000);
LOG(DEBUG) << "Notifying on complete";
if (!callback->onComplete().isOk()) {
LOG(ERROR) << "Failed to call onComplete";
}
}).detach();
}
return status;
}
ndk::ScopedAStatus Vibrator::perform(Effect effect, EffectStrength strength, const std::shared_ptr<IVibratorCallback>& callback, int32_t* _aidl_return) {
ndk::ScopedAStatus status;
float amplitude = strengthToAmplitude(strength, &status);
uint32_t ms = 1000;
if (!status.isOk())
return status;
activate(0);
setAmplitude(amplitude);
if (mHasTimedOutEffect && CP_TRIGGER_EFFECTS.find(effect) != CP_TRIGGER_EFFECTS.end()) {
writeNode(VIBRATOR_CP_TRIGGER_PATH, CP_TRIGGER_EFFECTS[effect]);
} else {
if (mHasTimedOutEffect)
writeNode(VIBRATOR_CP_TRIGGER_PATH, 0); // Clear previous effect
ms = effectToMs(effect, &status);
if (!status.isOk())
return status;
}
#ifdef VIBRATOR_SUPPORTS_DURATION_AMPLITUDE_CONTROL
ms *= DURATION_AMPLITUDE[strength];
#endif
status = activate(ms);
if (callback != nullptr) {
std::thread([=] {
LOG(DEBUG) << "Starting perform on another thread";
usleep(ms * 1000);
LOG(DEBUG) << "Notifying perform complete";
callback->onComplete();
}).detach();
}
*_aidl_return = ms;
return status;
}
ndk::ScopedAStatus Vibrator::getSupportedEffects(std::vector<Effect>* _aidl_return) {
*_aidl_return = { Effect::CLICK, Effect::TICK, Effect::TEXTURE_TICK };
if (mHasTimedOutEffect) {
for (const auto& effect : CP_TRIGGER_EFFECTS) {
_aidl_return->push_back(effect.first);
}
}
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus Vibrator::setAmplitude(float amplitude) {
uint32_t intensity;
if (amplitude <= 0.0f || amplitude > 1.0f) {
return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_ILLEGAL_ARGUMENT));
}
#ifdef VIBRATOR_SUPPORTS_DURATION_AMPLITUDE_CONTROL
mDurationAmplitude = durationAmplitude(amplitude);
#endif
LOG(DEBUG) << "Setting amplitude: " << amplitude;
intensity = amplitude * INTENSITY_MAX;
#ifndef VIBRATOR_SUPPORTS_DURATION_AMPLITUDE_CONTROL
LOG(DEBUG) << "Setting intensity: " << intensity;
if (mHasTimedOutIntensity) {
return writeNode(VIBRATOR_INTENSITY_PATH, intensity);
}
#endif
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus Vibrator::setExternalControl(bool enabled) {
if (mEnabled) {
LOG(WARNING) << "Setting external control while the vibrator is enabled is "
"unsupported!";
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
LOG(INFO) << "ExternalControl: " << mExternalControl << " -> " << enabled;
mExternalControl = enabled;
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus Vibrator::getCompositionDelayMax(int32_t* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getCompositionSizeMax(int32_t* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getSupportedPrimitives(std::vector<CompositePrimitive>* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getPrimitiveDuration(CompositePrimitive /*primitive*/, int32_t* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::compose(const std::vector<CompositeEffect>& /*composite*/, const std::shared_ptr<IVibratorCallback>& /*callback*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getSupportedAlwaysOnEffects(std::vector<Effect>* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::alwaysOnEnable(int32_t /*id*/, Effect /*effect*/, EffectStrength /*strength*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::alwaysOnDisable(int32_t /*id*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getResonantFrequency(float* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getQFactor(float* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getFrequencyResolution(float* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getFrequencyMinimum(float* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getBandwidthAmplitudeMap(std::vector<float>* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getPwlePrimitiveDurationMax(int32_t* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getPwleCompositionSizeMax(int32_t* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::getSupportedBraking(std::vector<Braking>* /*_aidl_return*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::composePwle(const std::vector<PrimitivePwle>& /*composite*/, const std::shared_ptr<IVibratorCallback>& /*callback*/) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus Vibrator::activate(uint32_t timeoutMs) {
std::lock_guard<std::mutex> lock{mMutex};
if (!mIsTimedOutVibrator) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
return writeNode(VIBRATOR_TIMEOUT_PATH, timeoutMs);
}
float Vibrator::strengthToAmplitude(EffectStrength strength, ndk::ScopedAStatus* status) {
*status = ndk::ScopedAStatus::ok();
switch (strength) {
case EffectStrength::LIGHT:
return AMPLITUDE_LIGHT;
case EffectStrength::MEDIUM:
return AMPLITUDE_MEDIUM;
case EffectStrength::STRONG:
return AMPLITUDE_STRONG;
}
*status = ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
return 0;
}
uint32_t Vibrator::effectToMs(Effect effect, ndk::ScopedAStatus* status) {
*status = ndk::ScopedAStatus::ok();
switch (effect) {
case Effect::CLICK:
return getIntProperty("click" + kVibratorPropDuration, 10);
case Effect::TICK:
return getIntProperty("tick" + kVibratorPropDuration, 5);
case Effect::TEXTURE_TICK:
return getIntProperty("texture_tick" + kVibratorPropDuration, 5);
default:
break;
}
*status = ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
return 0;
}
#ifdef VIBRATOR_SUPPORTS_DURATION_AMPLITUDE_CONTROL
float Vibrator::durationAmplitude(float amplitude) {
if (amplitude == 1) {
return DURATION_AMPLITUDE_STRONG;
} else if (amplitude >= 0.5) {
return DURATION_AMPLITUDE_MEDIUM;
}
return DURATION_AMPLITUDE_LIGHT;
}
#endif
} // namespace vibrator
} // namespace hardware
} // namespace android
} // namespace aidl