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-rw-r--r--native/include/android/sensor.h256
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diff --git a/native/include/android/sensor.h b/native/include/android/sensor.h
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--- a/native/include/android/sensor.h
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-/*
- * Copyright (C) 2010 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_SENSOR_H
-#define ANDROID_SENSOR_H
-
-/******************************************************************
- *
- * IMPORTANT NOTICE:
- *
- * This file is part of Android's set of stable system headers
- * exposed by the Android NDK (Native Development Kit).
- *
- * Third-party source AND binary code relies on the definitions
- * here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES.
- *
- * - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES)
- * - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS
- * - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY
- * - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES
- */
-
-/*
- * Structures and functions to receive and process sensor events in
- * native code.
- *
- */
-
-#include <sys/types.h>
-
-#include <android/looper.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/*
- * Sensor types
- * (keep in sync with hardware/sensor.h)
- */
-
-enum {
- ASENSOR_TYPE_ACCELEROMETER = 1,
- ASENSOR_TYPE_MAGNETIC_FIELD = 2,
- ASENSOR_TYPE_GYROSCOPE = 4,
- ASENSOR_TYPE_LIGHT = 5,
- ASENSOR_TYPE_PROXIMITY = 8
-};
-
-/*
- * Sensor accuracy measure
- */
-enum {
- ASENSOR_STATUS_UNRELIABLE = 0,
- ASENSOR_STATUS_ACCURACY_LOW = 1,
- ASENSOR_STATUS_ACCURACY_MEDIUM = 2,
- ASENSOR_STATUS_ACCURACY_HIGH = 3
-};
-
-/*
- * A few useful constants
- */
-
-/* Earth's gravity in m/s^2 */
-#define ASENSOR_STANDARD_GRAVITY (9.80665f)
-/* Maximum magnetic field on Earth's surface in uT */
-#define ASENSOR_MAGNETIC_FIELD_EARTH_MAX (60.0f)
-/* Minimum magnetic field on Earth's surface in uT*/
-#define ASENSOR_MAGNETIC_FIELD_EARTH_MIN (30.0f)
-
-/*
- * A sensor event.
- */
-
-/* NOTE: Must match hardware/sensors.h */
-typedef struct ASensorVector {
- union {
- float v[3];
- struct {
- float x;
- float y;
- float z;
- };
- struct {
- float azimuth;
- float pitch;
- float roll;
- };
- };
- int8_t status;
- uint8_t reserved[3];
-} ASensorVector;
-
-/* NOTE: Must match hardware/sensors.h */
-typedef struct ASensorEvent {
- int32_t version; /* sizeof(struct ASensorEvent) */
- int32_t sensor;
- int32_t type;
- int32_t reserved0;
- int64_t timestamp;
- union {
- float data[16];
- ASensorVector vector;
- ASensorVector acceleration;
- ASensorVector magnetic;
- float temperature;
- float distance;
- float light;
- float pressure;
- };
- int32_t reserved1[4];
-} ASensorEvent;
-
-
-struct ASensorManager;
-typedef struct ASensorManager ASensorManager;
-
-struct ASensorEventQueue;
-typedef struct ASensorEventQueue ASensorEventQueue;
-
-struct ASensor;
-typedef struct ASensor ASensor;
-typedef ASensor const* ASensorRef;
-typedef ASensorRef const* ASensorList;
-
-/*****************************************************************************/
-
-/*
- * Get a reference to the sensor manager. ASensorManager is a singleton.
- *
- * Example:
- *
- * ASensorManager* sensorManager = ASensorManager_getInstance();
- *
- */
-ASensorManager* ASensorManager_getInstance();
-
-
-/*
- * Returns the list of available sensors.
- */
-int ASensorManager_getSensorList(ASensorManager* manager, ASensorList* list);
-
-/*
- * Returns the default sensor for the given type, or NULL if no sensor
- * of that type exist.
- */
-ASensor const* ASensorManager_getDefaultSensor(ASensorManager* manager, int type);
-
-/*
- * Creates a new sensor event queue and associate it with a looper.
- */
-ASensorEventQueue* ASensorManager_createEventQueue(ASensorManager* manager,
- ALooper* looper, int ident, ALooper_callbackFunc callback, void* data);
-
-/*
- * Destroys the event queue and free all resources associated to it.
- */
-int ASensorManager_destroyEventQueue(ASensorManager* manager, ASensorEventQueue* queue);
-
-
-/*****************************************************************************/
-
-/*
- * Enable the selected sensor. Returns a negative error code on failure.
- */
-int ASensorEventQueue_enableSensor(ASensorEventQueue* queue, ASensor const* sensor);
-
-/*
- * Disable the selected sensor. Returns a negative error code on failure.
- */
-int ASensorEventQueue_disableSensor(ASensorEventQueue* queue, ASensor const* sensor);
-
-/*
- * Sets the delivery rate of events in microseconds for the given sensor.
- * Note that this is a hint only, generally event will arrive at a higher
- * rate. It is an error to set a rate inferior to the value returned by
- * ASensor_getMinDelay().
- * Returns a negative error code on failure.
- */
-int ASensorEventQueue_setEventRate(ASensorEventQueue* queue, ASensor const* sensor, int32_t usec);
-
-/*
- * Returns true if there are one or more events available in the
- * sensor queue. Returns 1 if the queue has events; 0 if
- * it does not have events; and a negative value if there is an error.
- */
-int ASensorEventQueue_hasEvents(ASensorEventQueue* queue);
-
-/*
- * Returns the next available events from the queue. Returns a negative
- * value if no events are available or an error has occurred, otherwise
- * the number of events returned.
- *
- * Examples:
- * ASensorEvent event;
- * ssize_t numEvent = ASensorEventQueue_getEvents(queue, &event, 1);
- *
- * ASensorEvent eventBuffer[8];
- * ssize_t numEvent = ASensorEventQueue_getEvents(queue, eventBuffer, 8);
- *
- */
-ssize_t ASensorEventQueue_getEvents(ASensorEventQueue* queue,
- ASensorEvent* events, size_t count);
-
-
-/*****************************************************************************/
-
-/*
- * Returns this sensor's name (non localized)
- */
-const char* ASensor_getName(ASensor const* sensor);
-
-/*
- * Returns this sensor's vendor's name (non localized)
- */
-const char* ASensor_getVendor(ASensor const* sensor);
-
-/*
- * Return this sensor's type
- */
-int ASensor_getType(ASensor const* sensor);
-
-/*
- * Returns this sensors's resolution
- */
-float ASensor_getResolution(ASensor const* sensor);
-
-/*
- * Returns the minimum delay allowed between events in microseconds.
- * A value of zero means that this sensor doesn't report events at a
- * constant rate, but rather only when a new data is available.
- */
-int ASensor_getMinDelay(ASensor const* sensor);
-
-
-#ifdef __cplusplus
-};
-#endif
-
-#endif // ANDROID_SENSOR_H
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