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