4342fdf14f
1. Some sensors can wake up the AP. Add wakelocks. 2. Handle backward compatibility for rotation vector heading accuracy. 3. Cleanup auto disabled sensors. 4. Fix race condition between enable and dispatch. Change-Id: I39dddf12e208d83cd288201986ee994312555820
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_SENSOR_DEVICE_H
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#define ANDROID_SENSOR_DEVICE_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/KeyedVector.h>
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#include <utils/Singleton.h>
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#include <utils/String8.h>
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#include <gui/Sensor.h>
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// ---------------------------------------------------------------------------
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namespace android {
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// ---------------------------------------------------------------------------
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static const nsecs_t DEFAULT_EVENTS_PERIOD = 200000000; // 5 Hz
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class SensorDevice : public Singleton<SensorDevice> {
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friend class Singleton<SensorDevice>;
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struct sensors_poll_device_t* mSensorDevice;
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struct sensors_module_t* mSensorModule;
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mutable Mutex mLock; // protect mActivationCount[].rates
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// fixed-size array after construction
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struct Info {
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Info() : delay(0) { }
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KeyedVector<void*, nsecs_t> rates;
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nsecs_t delay;
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status_t setDelayForIdent(void* ident, int64_t ns);
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nsecs_t selectDelay();
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};
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DefaultKeyedVector<int, Info> mActivationCount;
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SensorDevice();
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public:
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ssize_t getSensorList(sensor_t const** list);
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status_t initCheck() const;
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int getHalDeviceVersion() const;
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ssize_t poll(sensors_event_t* buffer, size_t count);
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status_t activate(void* ident, int handle, int enabled);
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status_t setDelay(void* ident, int handle, int64_t ns);
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void dump(String8& result, char* buffer, size_t SIZE);
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_SENSOR_DEVICE_H
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