1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #ifndef ANDROID_HARDWARE_VIBRATOR_V1_2_VIBRATOR_H
17 #define ANDROID_HARDWARE_VIBRATOR_V1_2_VIBRATOR_H
18 
19 #include <android/hardware/vibrator/1.2/IVibrator.h>
20 #include <hidl/Status.h>
21 
22 #include <fstream>
23 
24 namespace android {
25 namespace hardware {
26 namespace vibrator {
27 namespace V1_2 {
28 namespace implementation {
29 
30 class Vibrator : public IVibrator {
31   public:
32     typedef struct {
33         std::ofstream activate;
34         std::ofstream ctrlLoop;
35         std::ofstream duration;
36         std::ofstream lpTriggerEffect;
37         std::ofstream lraWaveShape;
38         std::ofstream mode;
39         std::ofstream odClamp;
40         std::ofstream olLraPeriod;
41         std::ofstream rtpInput;
42         std::ofstream scale;
43         std::ofstream sequencer;
44         std::ofstream state;
45     } HwApi;
46 
47   public:
48     Vibrator(HwApi &&hwapi, std::uint32_t short_lra_period, std::uint32_t long_lra_period);
49 
50     // Methods from ::android::hardware::vibrator::V1_0::IVibrator follow.
51     using Status = ::android::hardware::vibrator::V1_0::Status;
52     Return<Status> on(uint32_t timeoutMs) override;
53     Return<Status> off() override;
54     Return<bool> supportsAmplitudeControl() override;
55     Return<Status> setAmplitude(uint8_t amplitude) override;
56 
57     using EffectStrength = ::android::hardware::vibrator::V1_0::EffectStrength;
58     Return<void> perform(V1_0::Effect effect, EffectStrength strength,
59                          perform_cb _hidl_cb) override;
60     Return<void> perform_1_1(V1_1::Effect_1_1 effect, EffectStrength strength,
61                              perform_cb _hidl_cb) override;
62     Return<void> perform_1_2(Effect effect, EffectStrength strength, perform_cb _hidl_cb) override;
63 
64   private:
65     Return<Status> on(uint32_t timeoutMs, bool isWaveform);
66     template <typename T>
67     Return<void> performWrapper(T effect, EffectStrength strength, perform_cb _hidl_cb);
68     Return<void> performEffect(Effect effect, EffectStrength strength, perform_cb _hidl_cb);
69     HwApi mHwApi;
70     std::uint32_t mShortLraPeriod;
71     std::uint32_t mLongLraPeriod;
72     int32_t mClickDuration;
73     int32_t mTickDuration;
74     int32_t mHeavyClickDuration;
75     int32_t mShortVoltageMax;
76     int32_t mLongVoltageMax;
77 };
78 }  // namespace implementation
79 }  // namespace V1_2
80 }  // namespace vibrator
81 }  // namespace hardware
82 }  // namespace android
83 
84 #endif  // ANDROID_HARDWARE_VIBRATOR_V1_2_VIBRATOR_H
85