SensorInterface.h revision 724d91d778e71c8186399f4955de14b54812b3ed
1f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian/* 2f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * Copyright (C) 2010 The Android Open Source Project 3f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * 4f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 5f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * you may not use this file except in compliance with the License. 6f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * You may obtain a copy of the License at 7f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * 8f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 9f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * 10f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * Unless required by applicable law or agreed to in writing, software 11f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 12f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * See the License for the specific language governing permissions and 14f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian * limitations under the License. 15f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian */ 16f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 17f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#ifndef ANDROID_SENSOR_INTERFACE_H 18f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#define ANDROID_SENSOR_INTERFACE_H 19f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 20f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include <stdint.h> 21f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include <sys/types.h> 22f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 23f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include <gui/Sensor.h> 24f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 25f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "SensorDevice.h" 26f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 27f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian// --------------------------------------------------------------------------- 28f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 29f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopiannamespace android { 30f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian// --------------------------------------------------------------------------- 31f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 32f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianclass SensorInterface { 33f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianpublic: 34f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual ~SensorInterface(); 35f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 36f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual bool process(sensors_event_t* outEvent, 37f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const sensors_event_t& event) = 0; 38f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 39f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual status_t activate(void* ident, bool enabled) = 0; 40f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual status_t setDelay(void* ident, int handle, int64_t ns) = 0; 41724d91d778e71c8186399f4955de14b54812b3edAravind Akella 42724d91d778e71c8186399f4955de14b54812b3edAravind Akella // Not all sensors need to support batching. 43724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t batch(void* ident, int handle, int flags, int64_t samplingPeriodNs, 44724d91d778e71c8186399f4955de14b54812b3edAravind Akella int64_t maxBatchReportLatencyNs) { 45724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (maxBatchReportLatencyNs == 0) { 46724d91d778e71c8186399f4955de14b54812b3edAravind Akella return setDelay(ident, handle, samplingPeriodNs); 47724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 48724d91d778e71c8186399f4955de14b54812b3edAravind Akella return -EINVAL; 49724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 50724d91d778e71c8186399f4955de14b54812b3edAravind Akella 51724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t flush(void* ident, int handle) { 52724d91d778e71c8186399f4955de14b54812b3edAravind Akella return -EINVAL; 53724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 54724d91d778e71c8186399f4955de14b54812b3edAravind Akella 55f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual Sensor getSensor() const = 0; 56f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual bool isVirtual() const = 0; 57ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian virtual void autoDisable(void *ident, int handle) { } 58f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian}; 59f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 60f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian// --------------------------------------------------------------------------- 61f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 62f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianclass HardwareSensor : public SensorInterface 63f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 64f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorDevice& mSensorDevice; 65f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian Sensor mSensor; 66f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 67f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianpublic: 68f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian HardwareSensor(const sensor_t& sensor); 69f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 70f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual ~HardwareSensor(); 71f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 72f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual bool process(sensors_event_t* outEvent, 73f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const sensors_event_t& event); 74f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 75f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual status_t activate(void* ident, bool enabled); 76724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t batch(void* ident, int handle, int flags, int64_t samplingPeriodNs, 77724d91d778e71c8186399f4955de14b54812b3edAravind Akella int64_t maxBatchReportLatencyNs); 78f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual status_t setDelay(void* ident, int handle, int64_t ns); 79724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t flush(void* ident, int handle); 80f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual Sensor getSensor() const; 81f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian virtual bool isVirtual() const { return false; } 82ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian virtual void autoDisable(void *ident, int handle); 83f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian}; 84f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 85f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 86f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian// --------------------------------------------------------------------------- 87f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian}; // namespace android 88f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 89f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#endif // ANDROID_SENSOR_INTERFACE_H 90