ba02cd2f6c
it now displays the reported trigger mode properly, as well as the number and type of the last received data Change-Id: I2ff64b32ab71f1332bc2e09671c8c02bb9550490
67 lines
2.2 KiB
C++
67 lines
2.2 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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status_t resetStateWithoutActuatingHardware(void *ident, int handle);
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void dump(String8& result);
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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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