vibrator/Vibrator.h

/*
 * 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.
 */
#ifndef ANDROID_HARDWARE_VIBRATOR_V1_2_VIBRATOR_H
#define ANDROID_HARDWARE_VIBRATOR_V1_2_VIBRATOR_H

#include <android/hardware/vibrator/1.2/IVibrator.h>
#include <hidl/Status.h>

#include <fstream>

namespace android {
namespace hardware {
namespace vibrator {
namespace V1_2 {
namespace implementation {

class Vibrator : public IVibrator {
  public:
    typedef struct {
        std::ofstream activate;
        std::ofstream ctrlLoop;
        std::ofstream duration;
        std::ofstream lpTriggerEffect;
        std::ofstream lraWaveShape;
        std::ofstream mode;
        std::ofstream odClamp;
        std::ofstream olLraPeriod;
        std::ofstream rtpInput;
        std::ofstream scale;
        std::ofstream sequencer;
        std::ofstream state;
    } HwApi;

  public:
    Vibrator(HwApi &&hwapi, std::uint32_t short_lra_period, std::uint32_t long_lra_period);

    // Methods from ::android::hardware::vibrator::V1_0::IVibrator follow.
    using Status = ::android::hardware::vibrator::V1_0::Status;
    Return<Status> on(uint32_t timeoutMs) override;
    Return<Status> off() override;
    Return<bool> supportsAmplitudeControl() override;
    Return<Status> setAmplitude(uint8_t amplitude) override;

    using EffectStrength = ::android::hardware::vibrator::V1_0::EffectStrength;
    Return<void> perform(V1_0::Effect effect, EffectStrength strength,
                         perform_cb _hidl_cb) override;
    Return<void> perform_1_1(V1_1::Effect_1_1 effect, EffectStrength strength,
                             perform_cb _hidl_cb) override;
    Return<void> perform_1_2(Effect effect, EffectStrength strength, perform_cb _hidl_cb) override;

  private:
    Return<Status> on(uint32_t timeoutMs, bool isWaveform);
    template <typename T>
    Return<void> performWrapper(T effect, EffectStrength strength, perform_cb _hidl_cb);
    Return<void> performEffect(Effect effect, EffectStrength strength, perform_cb _hidl_cb);
    HwApi mHwApi;
    std::uint32_t mShortLraPeriod;
    std::uint32_t mLongLraPeriod;
    int32_t mClickDuration;
    int32_t mTickDuration;
    int32_t mHeavyClickDuration;
    int32_t mShortVoltageMax;
    int32_t mLongVoltageMax;
};
}  // namespace implementation
}  // namespace V1_2
}  // namespace vibrator
}  // namespace hardware
}  // namespace android

#endif  // ANDROID_HARDWARE_VIBRATOR_V1_2_VIBRATOR_H