1589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian/* 2589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * Copyright (C) 2010 The Android Open Source Project 3589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * 4589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 5589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * you may not use this file except in compliance with the License. 6589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * You may obtain a copy of the License at 7589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * 8589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 9589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * 10589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * Unless required by applicable law or agreed to in writing, software 11589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 12589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * See the License for the specific language governing permissions and 14589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian * limitations under the License. 15589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian */ 16589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 17589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian#include <stdint.h> 18589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian#include <sys/types.h> 19589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 20589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian#include <utils/Errors.h> 21589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian#include <utils/String8.h> 22589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian#include <utils/Flattenable.h> 23589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 24589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian#include <hardware/sensors.h> 25589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 26589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian#include <gui/Sensor.h> 27589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 28589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian// ---------------------------------------------------------------------------- 29589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopiannamespace android { 30589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian// ---------------------------------------------------------------------------- 31589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 32589ce85ee4174829cfedce91b6b2509d2a4002ebMathias AgopianSensor::Sensor() 33589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian : mHandle(0), mType(0), 34589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian mMinValue(0), mMaxValue(0), mResolution(0), 35a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopian mPower(0), mMinDelay(0) 36589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian{ 37589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 38589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 39a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias AgopianSensor::Sensor(struct sensor_t const* hwSensor) 40a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian{ 41a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian mName = hwSensor->name; 42a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian mVendor = hwSensor->vendor; 432ebc4d6d947ef488198b8777d9190c93904b4b9aMathias Agopian mVersion = hwSensor->version; 44a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian mHandle = hwSensor->handle; 45a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian mType = hwSensor->type; 46a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian mMinValue = 0; // FIXME: minValue 47a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian mMaxValue = hwSensor->maxRange; // FIXME: maxValue 48a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian mResolution = hwSensor->resolution; 49a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian mPower = hwSensor->power; 50a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopian mMinDelay = hwSensor->minDelay; 51a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian} 52a7352c9f4a6e642c29782b19db5bc0bd98feddc8Mathias Agopian 53589ce85ee4174829cfedce91b6b2509d2a4002ebMathias AgopianSensor::~Sensor() 54589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian{ 55589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 56589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 57589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianconst String8& Sensor::getName() const { 58589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return mName; 59589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 60589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 61589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianconst String8& Sensor::getVendor() const { 62589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return mVendor; 63589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 64589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 65589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianint32_t Sensor::getHandle() const { 66589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return mHandle; 67589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 68589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 69589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianint32_t Sensor::getType() const { 70589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return mType; 71589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 72589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 73589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianfloat Sensor::getMinValue() const { 74589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return mMinValue; 75589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 76589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 77589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianfloat Sensor::getMaxValue() const { 78589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return mMaxValue; 79589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 80589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 81589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianfloat Sensor::getResolution() const { 82589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return mResolution; 83589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 84589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 85589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianfloat Sensor::getPowerUsage() const { 86589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return mPower; 87589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 88589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 89a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopianint32_t Sensor::getMinDelay() const { 90a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopian return mMinDelay; 91a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopian} 92a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopian 93b62013f6aafee08cfad25a2712dc32264e44f783Mathias Agopiannsecs_t Sensor::getMinDelayNs() const { 94b62013f6aafee08cfad25a2712dc32264e44f783Mathias Agopian return getMinDelay() * 1000; 95b62013f6aafee08cfad25a2712dc32264e44f783Mathias Agopian} 96b62013f6aafee08cfad25a2712dc32264e44f783Mathias Agopian 97b62013f6aafee08cfad25a2712dc32264e44f783Mathias Agopianint32_t Sensor::getVersion() const { 98b62013f6aafee08cfad25a2712dc32264e44f783Mathias Agopian return mVersion; 99b62013f6aafee08cfad25a2712dc32264e44f783Mathias Agopian} 100b62013f6aafee08cfad25a2712dc32264e44f783Mathias Agopian 1018683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopiansize_t Sensor::getSize() const 102589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian{ 103589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return sizeof(int32_t) + ((mName.length() + 3) & ~3) + 104589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian sizeof(int32_t) + ((mVendor.length() + 3) & ~3) + 1052ebc4d6d947ef488198b8777d9190c93904b4b9aMathias Agopian sizeof(int32_t) * 3 + 106a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopian sizeof(float) * 4 + 107a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopian sizeof(int32_t); 108589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 109589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 110589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianstatic inline 111589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopiansize_t write(void* buffer, size_t offset, const String8& value) { 112589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian memcpy(static_cast<char*>(buffer) + offset, value.string(), value.length()); 113589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return (value.length() + 3) & ~3; 114589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 115589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 116589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianstatic inline 117589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopiansize_t write(void* buffer, size_t offset, float value) { 118589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian *reinterpret_cast<float*>(static_cast<char*>(buffer) + offset) = value; 119589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return sizeof(float); 120589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 121589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 122589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianstatic inline 123589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopiansize_t write(void* buffer, size_t offset, int32_t value) { 124589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian *reinterpret_cast<int32_t*>(static_cast<char*>(buffer) + offset) = value; 125589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return sizeof(int32_t); 126589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 127589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 1288683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopianstatus_t Sensor::flatten(void* buffer) const 129589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian{ 130589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian size_t offset = 0; 131589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, int32_t(mName.length())); 132589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, mName); 133589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, int32_t(mVendor.length())); 134589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, mVendor); 1352ebc4d6d947ef488198b8777d9190c93904b4b9aMathias Agopian offset += write(buffer, offset, mVersion); 136589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, mHandle); 137589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, mType); 138589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, mMinValue); 139589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, mMaxValue); 140589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, mResolution); 141589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += write(buffer, offset, mPower); 142a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopian offset += write(buffer, offset, mMinDelay); 143589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return NO_ERROR; 144589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 145589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 146589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianstatic inline 147589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopiansize_t read(void const* buffer, size_t offset, String8* value, int32_t len) { 148589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian value->setTo(static_cast<char const*>(buffer) + offset, len); 149589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return (len + 3) & ~3; 150589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 151589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 152589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianstatic inline 153589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopiansize_t read(void const* buffer, size_t offset, float* value) { 154589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian *value = *reinterpret_cast<float const*>(static_cast<char const*>(buffer) + offset); 155589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return sizeof(float); 156589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 157589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 158589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopianstatic inline 159589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopiansize_t read(void const* buffer, size_t offset, int32_t* value) { 160589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian *value = *reinterpret_cast<int32_t const*>(static_cast<char const*>(buffer) + offset); 161589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return sizeof(int32_t); 162589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 163589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 1648683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopianstatus_t Sensor::unflatten(void const* buffer, size_t size) 165589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian{ 166589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian int32_t len; 167589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian size_t offset = 0; 168589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &len); 169589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &mName, len); 170589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &len); 171589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &mVendor, len); 1722ebc4d6d947ef488198b8777d9190c93904b4b9aMathias Agopian offset += read(buffer, offset, &mVersion); 173589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &mHandle); 174589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &mType); 175589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &mMinValue); 176589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &mMaxValue); 177589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &mResolution); 178589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian offset += read(buffer, offset, &mPower); 179a48bcf62b6a26f24a0bdd2b44bb39fadce499e92Mathias Agopian offset += read(buffer, offset, &mMinDelay); 180589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian return NO_ERROR; 181589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian} 182589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian 183589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian// ---------------------------------------------------------------------------- 184589ce85ee4174829cfedce91b6b2509d2a4002ebMathias Agopian}; // namespace android 185