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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.
*/
#define LOG_TAG "VibratorService"
#include <log/log.h>
#include <hardware/hardware.h>
#include <hardware/vibrator.h>
#include <cutils/properties.h>
#include "Vibrator.h"
#include <cinttypes>
#include <cmath>
#include <iostream>
#include <fstream>
namespace android {
namespace hardware {
namespace vibrator {
namespace V1_2 {
namespace implementation {
using Status = ::android::hardware::vibrator::V1_0::Status;
using EffectStrength = ::android::hardware::vibrator::V1_0::EffectStrength;
static constexpr uint32_t WAVEFORM_TICK_EFFECT_INDEX = 2;
static constexpr uint32_t WAVEFORM_TICK_EFFECT_MS = 9;
static constexpr uint32_t WAVEFORM_CLICK_EFFECT_INDEX = 3;
static constexpr uint32_t WAVEFORM_CLICK_EFFECT_MS = 9;
static constexpr uint32_t WAVEFORM_HEAVY_CLICK_EFFECT_INDEX = 4;
static constexpr uint32_t WAVEFORM_HEAVY_CLICK_EFFECT_MS = 9;
static constexpr uint32_t WAVEFORM_STRONG_HEAVY_CLICK_EFFECT_MS = 12;
static constexpr uint32_t WAVEFORM_DOUBLE_CLICK_EFFECT_INDEX = 7;
static constexpr uint32_t WAVEFORM_DOUBLE_CLICK_EFFECT_MS = 130;
static constexpr uint32_t WAVEFORM_RINGTONE_EFFECT_INDEX = 65534;
static constexpr uint32_t WAVEFORM_RINGTONE_EFFECT_MS = 30000;
// The_big_adventure - RINGTONE_1
static constexpr char WAVEFORM_RINGTONE1_EFFECT_QUEUE[] = "160, 11.100, 1600, 1!";
// Copycat - RINGTONE_2
static constexpr char WAVEFORM_RINGTONE2_EFFECT_QUEUE[] = "260, 12.100, 660, 2!";
// Crackle - RINGTONE_3
static constexpr char WAVEFORM_RINGTONE3_EFFECT_QUEUE[] = "404, 13.100, 1440, 5!";
// Flutterby - RINGTONE_4
static constexpr char WAVEFORM_RINGTONE4_EFFECT_QUEUE[] = "140, 14.100, 6!";
// Hotline - RINGTONE_5
static constexpr char WAVEFORM_RINGTONE5_EFFECT_QUEUE[] = "140, 15.100, 4!";
// Leaps_and_bounds - RINGTONE_6
static constexpr char WAVEFORM_RINGTONE6_EFFECT_QUEUE[] = "140, 16.100, 1!";
// Lollipop - RINGTONE_7
static constexpr char WAVEFORM_RINGTONE7_EFFECT_QUEUE[] = "140, 17.100, 624, 1!";
// Lost_and_found - RINGTONE_8
static constexpr char WAVEFORM_RINGTONE8_EFFECT_QUEUE[] = "140, 18.100, 1020,496, 1!";
// Mash_up - RINGTONE_9
static constexpr char WAVEFORM_RINGTONE9_EFFECT_QUEUE[] = "140, 19.100, 8, 3!";
// Monkey_around - RINGTONE_10
static constexpr char WAVEFORM_RINGTONE10_EFFECT_QUEUE[] = "20.100, 23.100, 23.80, 23.60, 892, 4!";
// Schools_out - RINGTONE_11
static constexpr char WAVEFORM_RINGTONE11_EFFECT_QUEUE[] = "21.60, 21.80, 21.100, 1020, 564, 6!";
// Zen_too - RINGTONE_12
static constexpr char WAVEFORM_RINGTONE12_EFFECT_QUEUE[] = "140, 22.100, 972, 1!";
static constexpr float AMP_ATTENUATE_STEP_SIZE = 0.125f;
static constexpr int8_t MAX_TRIGGER_LATENCY_MS = 6;
static uint8_t amplitudeToScale(uint8_t amplitude, uint8_t maximum) {
return std::round((-20 * std::log10(amplitude / static_cast<float>(maximum))) /
(AMP_ATTENUATE_STEP_SIZE));
}
Vibrator::Vibrator(std::ofstream&& activate, std::ofstream&& duration, std::ofstream&& effect,
std::ofstream&& queue, std::ofstream&& scale) :
mActivate(std::move(activate)),
mDuration(std::move(duration)),
mEffectIndex(std::move(effect)),
mEffectQueue(std::move(queue)),
mScale(std::move(scale))
{}
Return<Status> Vibrator::on(uint32_t timeoutMs, uint32_t effectIndex) {
mEffectIndex << effectIndex << std::endl;
mDuration << (timeoutMs + MAX_TRIGGER_LATENCY_MS) << std::endl;
mActivate << 1 << std::endl;
return Status::OK;
}
// Methods from ::android::hardware::vibrator::V1_1::IVibrator follow.
Return<Status> Vibrator::on(uint32_t timeoutMs) {
return on(timeoutMs, 0);
}
Return<Status> Vibrator::off() {
mActivate << 0 << std::endl;
if (!mActivate) {
ALOGE("Failed to turn vibrator off (%d): %s", errno, strerror(errno));
return Status::UNKNOWN_ERROR;
}
return Status::OK;
}
Return<bool> Vibrator::supportsAmplitudeControl() {
return (mScale ? true : false);
}
Return<Status> Vibrator::setAmplitude(uint8_t amplitude) {
if (!amplitude) {
return Status::BAD_VALUE;
}
int32_t scale = amplitudeToScale(amplitude, UINT8_MAX);
mScale << scale << std::endl;
if (!mScale) {
ALOGE("Failed to set amplitude (%d): %s", errno, strerror(errno));
return Status::UNKNOWN_ERROR;
}
return Status::OK;
}
Return<void> Vibrator::perform(V1_0::Effect effect, EffectStrength strength,
perform_cb _hidl_cb) {
return performWrapper(effect, strength, _hidl_cb);
}
Return<void> Vibrator::perform_1_1(V1_1::Effect_1_1 effect, EffectStrength strength,
perform_cb _hidl_cb) {
return performWrapper(effect, strength, _hidl_cb);
}
Return<void> Vibrator::perform_1_2(Effect effect, EffectStrength strength,
perform_cb _hidl_cb) {
return performWrapper(effect, strength, _hidl_cb);
}
template <typename T>
Return<void> Vibrator::performWrapper(T effect, EffectStrength strength, perform_cb _hidl_cb) {
auto validRange = hidl_enum_range<T>();
if (effect < *validRange.begin() || effect > *std::prev(validRange.end())) {
_hidl_cb(Status::UNSUPPORTED_OPERATION, 0);
return Void();
}
return performEffect(static_cast<Effect>(effect), strength, _hidl_cb);
}
Return<void> Vibrator::performEffect(Effect effect, EffectStrength strength,
perform_cb _hidl_cb) {
Status status = Status::OK;
uint32_t timeMs;
uint32_t effectIndex;
switch (effect) {
case Effect::TICK:
effectIndex = WAVEFORM_TICK_EFFECT_INDEX;
timeMs = WAVEFORM_TICK_EFFECT_MS;
break;
case Effect::CLICK:
effectIndex = WAVEFORM_CLICK_EFFECT_INDEX;
timeMs = WAVEFORM_CLICK_EFFECT_MS;
break;
case Effect::HEAVY_CLICK:
effectIndex = WAVEFORM_HEAVY_CLICK_EFFECT_INDEX;
if (strength == EffectStrength::STRONG) {
timeMs = WAVEFORM_STRONG_HEAVY_CLICK_EFFECT_MS;
} else {
timeMs = WAVEFORM_HEAVY_CLICK_EFFECT_MS;
}
break;
case Effect::DOUBLE_CLICK:
effectIndex = WAVEFORM_DOUBLE_CLICK_EFFECT_INDEX;
timeMs = WAVEFORM_DOUBLE_CLICK_EFFECT_MS;
break;
case Effect::RINGTONE_1:
mEffectQueue << WAVEFORM_RINGTONE1_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_2:
mEffectQueue << WAVEFORM_RINGTONE2_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_3:
mEffectQueue << WAVEFORM_RINGTONE3_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_4:
mEffectQueue << WAVEFORM_RINGTONE4_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_5:
mEffectQueue << WAVEFORM_RINGTONE5_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_6:
mEffectQueue << WAVEFORM_RINGTONE6_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_7:
mEffectQueue << WAVEFORM_RINGTONE7_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_8:
mEffectQueue << WAVEFORM_RINGTONE8_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_9:
mEffectQueue << WAVEFORM_RINGTONE9_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_10:
mEffectQueue << WAVEFORM_RINGTONE10_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_11:
mEffectQueue << WAVEFORM_RINGTONE11_EFFECT_QUEUE << std::endl;
break;
case Effect::RINGTONE_12:
mEffectQueue << WAVEFORM_RINGTONE12_EFFECT_QUEUE << std::endl;
break;
default:
_hidl_cb(Status::UNSUPPORTED_OPERATION, 0);
return Void();
}
// EffectStrength needs to be handled differently for ringtone effects
if (effect >= Effect::RINGTONE_1 && effect <= Effect::RINGTONE_15) {
effectIndex = WAVEFORM_RINGTONE_EFFECT_INDEX;
timeMs = WAVEFORM_RINGTONE_EFFECT_MS;
switch (strength) {
case EffectStrength::LIGHT:
setAmplitude(UINT8_MAX / 3);
break;
case EffectStrength::MEDIUM:
setAmplitude(UINT8_MAX / 2);
break;
case EffectStrength::STRONG:
setAmplitude(UINT8_MAX);
break;
default:
_hidl_cb(Status::UNSUPPORTED_OPERATION, 0);
return Void();
}
} else {
switch (strength) {
case EffectStrength::LIGHT:
effectIndex -= 1;
break;
case EffectStrength::MEDIUM:
break;
case EffectStrength::STRONG:
effectIndex += 1;
break;
default:
_hidl_cb(Status::UNSUPPORTED_OPERATION, 0);
return Void();
}
timeMs += MAX_TRIGGER_LATENCY_MS; // Add expected cold-start latency
setAmplitude(UINT8_MAX); // Always set full-scale for non-ringtone constants
}
on(timeMs, effectIndex);
_hidl_cb(status, timeMs);
return Void();
}
} // namespace implementation
} // namespace V1_2
} // namespace vibrator
} // namespace hardware
} // namespace android