SensorService.cpp revision f5a1230d322c14c42331d0a1536b50c87742973b
1fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian/* 2fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * Copyright (C) 2010 The Android Open Source Project 3fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * 4fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 5fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * you may not use this file except in compliance with the License. 6fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * You may obtain a copy of the License at 7fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * 8fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 9fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * 10fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * Unless required by applicable law or agreed to in writing, software 11fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 12fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * See the License for the specific language governing permissions and 14fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * limitations under the License. 15fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian */ 16fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 17fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <stdint.h> 18f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include <math.h> 19fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <sys/types.h> 20fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 213301542828febc768e1df42892cfac4992c35474Mathias Agopian#include <cutils/properties.h> 223301542828febc768e1df42892cfac4992c35474Mathias Agopian 23fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/SortedVector.h> 24fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/KeyedVector.h> 25fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/threads.h> 26fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/Atomic.h> 27fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/Errors.h> 28fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/RefBase.h> 29451beee076cac09f817abae78a990dea108a9482Mathias Agopian#include <utils/Singleton.h> 30c4a930d1d5a432a1f302763ac55460d6e83fe7e0Mathias Agopian#include <utils/String16.h> 31fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 32fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <binder/BinderService.h> 33451beee076cac09f817abae78a990dea108a9482Mathias Agopian#include <binder/IServiceManager.h> 341cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian#include <binder/PermissionCache.h> 35fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 36fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorServer.h> 37fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorEventConnection.h> 38fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 39fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <hardware/sensors.h> 40fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 41984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "CorrectedGyroSensor.h" 42f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "GravitySensor.h" 43f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "LinearAccelerationSensor.h" 44984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "OrientationSensor.h" 45f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "RotationVectorSensor.h" 46984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "SensorFusion.h" 47984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "SensorService.h" 48fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 49fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiannamespace android { 50fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 51fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 523301542828febc768e1df42892cfac4992c35474Mathias Agopian/* 533301542828febc768e1df42892cfac4992c35474Mathias Agopian * Notes: 543301542828febc768e1df42892cfac4992c35474Mathias Agopian * 553301542828febc768e1df42892cfac4992c35474Mathias Agopian * - what about a gyro-corrected magnetic-field sensor? 563301542828febc768e1df42892cfac4992c35474Mathias Agopian * - run mag sensor from time to time to force calibration 573301542828febc768e1df42892cfac4992c35474Mathias Agopian * - gravity sensor length is wrong (=> drift in linear-acc sensor) 583301542828febc768e1df42892cfac4992c35474Mathias Agopian * 593301542828febc768e1df42892cfac4992c35474Mathias Agopian */ 603301542828febc768e1df42892cfac4992c35474Mathias Agopian 61fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorService() 621cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian : mInitCheck(NO_INIT) 63fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 64fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 65fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 66fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianvoid SensorService::onFirstRef() 67fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 68a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD("nuSensorService starting..."); 6950df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 70f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorDevice& dev(SensorDevice::getInstance()); 71fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 72f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (dev.initCheck() == NO_ERROR) { 73f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensor_t const* list; 747b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian ssize_t count = dev.getSensorList(&list); 757b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian if (count > 0) { 767b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian ssize_t orientationIndex = -1; 777b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian bool hasGyro = false; 787b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian uint32_t virtualSensorsNeeds = 797b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (1<<SENSOR_TYPE_GRAVITY) | 807b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (1<<SENSOR_TYPE_LINEAR_ACCELERATION) | 817b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (1<<SENSOR_TYPE_ROTATION_VECTOR); 827b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 837b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian mLastEventSeen.setCapacity(count); 847b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian for (ssize_t i=0 ; i<count ; i++) { 857b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian registerSensor( new HardwareSensor(list[i]) ); 867b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian switch (list[i].type) { 877b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_ORIENTATION: 887b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian orientationIndex = i; 897b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian break; 907b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_GYROSCOPE: 917b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian hasGyro = true; 927b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian break; 937b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_GRAVITY: 947b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_LINEAR_ACCELERATION: 957b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_ROTATION_VECTOR: 967b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian virtualSensorsNeeds &= ~(1<<list[i].type); 977b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian break; 987b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 9950df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian } 100fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1017b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // it's safe to instantiate the SensorFusion object here 1027b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // (it wants to be instantiated after h/w sensors have been 1037b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // registered) 1047b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian const SensorFusion& fusion(SensorFusion::getInstance()); 1057b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1067b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian if (hasGyro) { 1077b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // Always instantiate Android's virtual sensors. Since they are 1087b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // instantiated behind sensors from the HAL, they won't 1097b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // interfere with applications, unless they looks specifically 1107b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // for them (by name). 1117b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1127b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian registerVirtualSensor( new RotationVectorSensor() ); 1137b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian registerVirtualSensor( new GravitySensor(list, count) ); 1147b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian registerVirtualSensor( new LinearAccelerationSensor(list, count) ); 1157b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1167b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // these are optional 1177b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian registerVirtualSensor( new OrientationSensor() ); 1187b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian registerVirtualSensor( new CorrectedGyroSensor(list, count) ); 1197b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1207b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // virtual debugging sensors... 1217b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian char value[PROPERTY_VALUE_MAX]; 1227b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian property_get("debug.sensors", value, "0"); 1237b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian if (atoi(value)) { 1247b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian registerVirtualSensor( new GyroDriftSensor() ); 1257b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 1263301542828febc768e1df42892cfac4992c35474Mathias Agopian } 127f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 1287b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // build the sensor list returned to users 1297b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian mUserSensorList = mSensorList; 1307b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian if (hasGyro && 1317b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (virtualSensorsNeeds & (1<<SENSOR_TYPE_ROTATION_VECTOR))) { 1327b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // if we have the fancy sensor fusion, and it's not provided by the 1337b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // HAL, use our own (fused) orientation sensor by removing the 1347b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // HAL supplied one form the user list. 1357b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian if (orientationIndex >= 0) { 1367b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian mUserSensorList.removeItemsAt(orientationIndex); 1377b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 138010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian } 139010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian 1407b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian run("SensorService", PRIORITY_URGENT_DISPLAY); 1417b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian mInitCheck = NO_ERROR; 1427b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 143fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 144fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 145fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 146f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianvoid SensorService::registerSensor(SensorInterface* s) 147f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 148f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t event; 149f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian memset(&event, 0, sizeof(event)); 150f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 151f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const Sensor sensor(s->getSensor()); 152f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // add to the sensor list (returned to clients) 153f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mSensorList.add(sensor); 154f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // add to our handle->SensorInterface mapping 155f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mSensorMap.add(sensor.getHandle(), s); 156f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // create an entry in the mLastEventSeen array 157f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mLastEventSeen.add(sensor.getHandle(), event); 158f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 159f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 160f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianvoid SensorService::registerVirtualSensor(SensorInterface* s) 161f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 162f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian registerSensor(s); 163f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mVirtualSensorList.add( s ); 164f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 165f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 166fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::~SensorService() 167fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 168f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian for (size_t i=0 ; i<mSensorMap.size() ; i++) 169f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian delete mSensorMap.valueAt(i); 170fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 171fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1721cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopianstatic const String16 sDump("android.permission.DUMP"); 1731cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian 174fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::dump(int fd, const Vector<String16>& args) 175fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 176fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const size_t SIZE = 1024; 177fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian char buffer[SIZE]; 178fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian String8 result; 1791cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian if (!PermissionCache::checkCallingPermission(sDump)) { 180fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian snprintf(buffer, SIZE, "Permission Denial: " 181fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian "can't dump SurfaceFlinger from pid=%d, uid=%d\n", 182fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian IPCThreadState::self()->getCallingPid(), 183fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian IPCThreadState::self()->getCallingUid()); 184fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian result.append(buffer); 185fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } else { 186fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 1873560fb24b668675627934356f210d84d19bf4e56Mathias Agopian snprintf(buffer, SIZE, "Sensor List:\n"); 1883560fb24b668675627934356f210d84d19bf4e56Mathias Agopian result.append(buffer); 1893560fb24b668675627934356f210d84d19bf4e56Mathias Agopian for (size_t i=0 ; i<mSensorList.size() ; i++) { 1903560fb24b668675627934356f210d84d19bf4e56Mathias Agopian const Sensor& s(mSensorList[i]); 1913560fb24b668675627934356f210d84d19bf4e56Mathias Agopian const sensors_event_t& e(mLastEventSeen.valueFor(s.getHandle())); 192984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian snprintf(buffer, SIZE, 193984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian "%-48s| %-32s | 0x%08x | maxRate=%7.2fHz | " 194984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian "last=<%5.1f,%5.1f,%5.1f>\n", 1953560fb24b668675627934356f210d84d19bf4e56Mathias Agopian s.getName().string(), 1963560fb24b668675627934356f210d84d19bf4e56Mathias Agopian s.getVendor().string(), 1973560fb24b668675627934356f210d84d19bf4e56Mathias Agopian s.getHandle(), 19824d72350f321c17b0bfe1ef3fd52d4070a1c02c3Mathias Agopian s.getMinDelay() ? (1000000.0f / s.getMinDelay()) : 0.0f, 1993560fb24b668675627934356f210d84d19bf4e56Mathias Agopian e.data[0], e.data[1], e.data[2]); 2003560fb24b668675627934356f210d84d19bf4e56Mathias Agopian result.append(buffer); 2013560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 202984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian SensorFusion::getInstance().dump(result, buffer, SIZE); 203f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorDevice::getInstance().dump(result, buffer, SIZE); 2043560fb24b668675627934356f210d84d19bf4e56Mathias Agopian 2057c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian snprintf(buffer, SIZE, "%d active connections\n", 2067c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian mActiveConnections.size()); 207fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian result.append(buffer); 208fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian snprintf(buffer, SIZE, "Active sensors:\n"); 209fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian result.append(buffer); 210fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian for (size_t i=0 ; i<mActiveSensors.size() ; i++) { 2115d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian int handle = mActiveSensors.keyAt(i); 212f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian snprintf(buffer, SIZE, "%s (handle=0x%08x, connections=%d)\n", 2135d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian getSensorName(handle).string(), 2145d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian handle, 215fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveSensors.valueAt(i)->getNumConnections()); 216fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian result.append(buffer); 217fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 218fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 219fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian write(fd, result.string(), result.size()); 220fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return NO_ERROR; 221fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 222fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 223fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::threadLoop() 224fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 225a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD("nuSensorService thread starting..."); 226fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 227f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const size_t numEventMax = 16 * (1 + mVirtualSensorList.size()); 228f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t buffer[numEventMax]; 229f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t scratch[numEventMax]; 230f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorDevice& device(SensorDevice::getInstance()); 231f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const size_t vcount = mVirtualSensorList.size(); 232fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 233f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian ssize_t count; 234fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian do { 235f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian count = device.poll(buffer, numEventMax); 236fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (count<0) { 237f5a1230d322c14c42331d0a1536b50c87742973bSteve Block ALOGE("sensor poll failed (%s)", strerror(-count)); 238fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian break; 239fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 240fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 24194e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian recordLastValue(buffer, count); 24294e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 243f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // handle virtual sensors 244f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (count && vcount) { 245984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian sensors_event_t const * const event = buffer; 246f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const DefaultKeyedVector<int, SensorInterface*> virtualSensors( 247f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian getActiveVirtualSensors()); 248f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const size_t activeVirtualSensorCount = virtualSensors.size(); 249f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (activeVirtualSensorCount) { 250f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian size_t k = 0; 251984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian SensorFusion& fusion(SensorFusion::getInstance()); 252984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian if (fusion.isEnabled()) { 253984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian for (size_t i=0 ; i<size_t(count) ; i++) { 254984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian fusion.process(event[i]); 255984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian } 256984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian } 257f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian for (size_t i=0 ; i<size_t(count) ; i++) { 258f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian for (size_t j=0 ; j<activeVirtualSensorCount ; j++) { 259f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t out; 260f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (virtualSensors.valueAt(j)->process(&out, event[i])) { 261f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian buffer[count + k] = out; 262f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian k++; 263f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 264f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 265f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 266f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (k) { 267f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // record the last synthesized values 268f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian recordLastValue(&buffer[count], k); 269f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian count += k; 270f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // sort the buffer by time-stamps 271f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sortEventBuffer(buffer, count); 272f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 273f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 274f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 275f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 276f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // send our events to clients... 277fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const SortedVector< wp<SensorEventConnection> > activeConnections( 278fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian getActiveConnections()); 279fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian size_t numConnections = activeConnections.size(); 280f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian for (size_t i=0 ; i<numConnections ; i++) { 281f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sp<SensorEventConnection> connection( 282f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian activeConnections[i].promote()); 283f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (connection != 0) { 284f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian connection->sendEvents(buffer, count, scratch); 285fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 286fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 287fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } while (count >= 0 || Thread::exitPending()); 288fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 2893c20fbed7f3a916ced10f2ed5a272271b7d81edeSteve Block ALOGW("Exiting SensorService::threadLoop => aborting..."); 2901a62301fc58cd2af18239b0415813461bf5fc41bMathias Agopian abort(); 291fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return false; 292fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 293fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 29494e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopianvoid SensorService::recordLastValue( 29594e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian sensors_event_t const * buffer, size_t count) 29694e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian{ 29794e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian Mutex::Autolock _l(mLock); 29894e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 29994e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian // record the last event for each sensor 30094e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian int32_t prev = buffer[0].sensor; 30194e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian for (size_t i=1 ; i<count ; i++) { 30294e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian // record the last event of each sensor type in this buffer 30394e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian int32_t curr = buffer[i].sensor; 30494e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian if (curr != prev) { 30594e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian mLastEventSeen.editValueFor(prev) = buffer[i-1]; 30694e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian prev = curr; 30794e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian } 30894e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian } 30994e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian mLastEventSeen.editValueFor(prev) = buffer[count-1]; 31094e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian} 31194e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 312f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianvoid SensorService::sortEventBuffer(sensors_event_t* buffer, size_t count) 313f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 314f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian struct compar { 315f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian static int cmp(void const* lhs, void const* rhs) { 316f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t const* l = static_cast<sensors_event_t const*>(lhs); 317f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t const* r = static_cast<sensors_event_t const*>(rhs); 318f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian return r->timestamp - l->timestamp; 319f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 320f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian }; 321f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian qsort(buffer, count, sizeof(sensors_event_t), compar::cmp); 322f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 323f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 324fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSortedVector< wp<SensorService::SensorEventConnection> > 325fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::getActiveConnections() const 326fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 327fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 328fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return mActiveConnections; 329fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 330fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 331f001c92436b4a66eb7687286325ced7f10c9f917Mathias AgopianDefaultKeyedVector<int, SensorInterface*> 332f001c92436b4a66eb7687286325ced7f10c9f917Mathias AgopianSensorService::getActiveVirtualSensors() const 333f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 334f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian Mutex::Autolock _l(mLock); 335f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian return mActiveVirtualSensors; 336f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 337f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 3385d2707214dfb97bd8dfcc6620be36841d3c82420Mathias AgopianString8 SensorService::getSensorName(int handle) const { 339010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian size_t count = mUserSensorList.size(); 3405d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian for (size_t i=0 ; i<count ; i++) { 341010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian const Sensor& sensor(mUserSensorList[i]); 3425d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian if (sensor.getHandle() == handle) { 3435d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian return sensor.getName(); 3445d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian } 3455d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian } 3465d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian String8 result("unknown"); 3475d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian return result; 3485d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian} 3495d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian 350fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianVector<Sensor> SensorService::getSensorList() 351fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 352010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian return mUserSensorList; 353fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 354fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 355fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiansp<ISensorEventConnection> SensorService::createSensorEventConnection() 356fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 357fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian sp<SensorEventConnection> result(new SensorEventConnection(this)); 358fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return result; 359fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 360fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 361db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopianvoid SensorService::cleanupConnection(SensorEventConnection* c) 362fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 363fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 364db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian const wp<SensorEventConnection> connection(c); 3657c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian size_t size = mActiveSensors.size(); 366a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "%d active sensors", size); 3677c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian for (size_t i=0 ; i<size ; ) { 368db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian int handle = mActiveSensors.keyAt(i); 369db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian if (c->hasSensor(handle)) { 370a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "%i: disabling handle=0x%08x", i, handle); 371f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor( handle ); 372f5a1230d322c14c42331d0a1536b50c87742973bSteve Block ALOGE_IF(!sensor, "mSensorMap[handle=0x%08x] is null!", handle); 373f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (sensor) { 374db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian sensor->activate(c, false); 375f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 376db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian } 377db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian SensorRecord* rec = mActiveSensors.valueAt(i); 378f5a1230d322c14c42331d0a1536b50c87742973bSteve Block ALOGE_IF(!rec, "mActiveSensors[%d] is null (handle=0x%08x)!", i, handle); 379a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, 380a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian "removing connection %p for sensor[%d].handle=0x%08x", 381a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian c, i, handle); 382a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian 383db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian if (rec && rec->removeConnection(connection)) { 384a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "... and it was the last connection"); 3857c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian mActiveSensors.removeItemsAt(i, 1); 386f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveVirtualSensors.removeItem(handle); 3877c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian delete rec; 3887c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian size--; 3897c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } else { 3907c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian i++; 391fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 392fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 3937c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian mActiveConnections.remove(connection); 394fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 395fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 396fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::enable(const sp<SensorEventConnection>& connection, 397fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle) 398fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 39950df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 40050df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 40150df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 402fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 403f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor(handle); 404f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian status_t err = sensor ? sensor->activate(connection.get(), true) : status_t(BAD_VALUE); 405f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (err == NO_ERROR) { 406f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorRecord* rec = mActiveSensors.valueFor(handle); 407f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (rec == 0) { 408f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian rec = new SensorRecord(connection); 409f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveSensors.add(handle, rec); 410f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (sensor->isVirtual()) { 411f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveVirtualSensors.add(handle, sensor); 412f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 413f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } else { 414f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (rec->addConnection(connection)) { 415f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // this sensor is already activated, but we are adding a 416f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // connection that uses it. Immediately send down the last 4173f2f8916112126fb1a93e4a4b4e2d4e01570aeeeMathias Agopian // known value of the requested sensor if it's not a 4183f2f8916112126fb1a93e4a4b4e2d4e01570aeeeMathias Agopian // "continuous" sensor. 4193f2f8916112126fb1a93e4a4b4e2d4e01570aeeeMathias Agopian if (sensor->getSensor().getMinDelay() == 0) { 4203f2f8916112126fb1a93e4a4b4e2d4e01570aeeeMathias Agopian sensors_event_t scratch; 4213f2f8916112126fb1a93e4a4b4e2d4e01570aeeeMathias Agopian sensors_event_t& event(mLastEventSeen.editValueFor(handle)); 4223f2f8916112126fb1a93e4a4b4e2d4e01570aeeeMathias Agopian if (event.version == sizeof(sensors_event_t)) { 4233f2f8916112126fb1a93e4a4b4e2d4e01570aeeeMathias Agopian connection->sendEvents(&event, 1); 4243f2f8916112126fb1a93e4a4b4e2d4e01570aeeeMathias Agopian } 425f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 4263560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 4273560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 428f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (err == NO_ERROR) { 429f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // connection now active 430f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (connection->addSensor(handle)) { 431f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // the sensor was added (which means it wasn't already there) 432f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // so, see if this connection becomes active 433f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (mActiveConnections.indexOf(connection) < 0) { 434f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveConnections.add(connection); 435f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 4367c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 437fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 438fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 439fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return err; 440fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 441fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 442fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::disable(const sp<SensorEventConnection>& connection, 443fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle) 444fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 44550df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 44650df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 44750df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 448fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t err = NO_ERROR; 449fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 450fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SensorRecord* rec = mActiveSensors.valueFor(handle); 451fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (rec) { 452fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // see if this connection becomes inactive 453fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian connection->removeSensor(handle); 454fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (connection->hasAnySensor() == false) { 455fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveConnections.remove(connection); 456fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 457fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // see if this sensor becomes inactive 458fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (rec->removeConnection(connection)) { 459fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveSensors.removeItem(handle); 460f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveVirtualSensors.removeItem(handle); 461fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian delete rec; 462fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 463f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor(handle); 464f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian err = sensor ? sensor->activate(connection.get(), false) : status_t(BAD_VALUE); 4657c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 466fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return err; 467fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 468fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 4697c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianstatus_t SensorService::setEventRate(const sp<SensorEventConnection>& connection, 470fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle, nsecs_t ns) 471fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 47250df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 47350df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 47450df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 475ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor(handle); 476ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian if (!sensor) 477ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian return BAD_VALUE; 478ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian 4791cd700015318727d6d42236ab6274f1949fb08baMathias Agopian if (ns < 0) 4801cd700015318727d6d42236ab6274f1949fb08baMathias Agopian return BAD_VALUE; 4811cd700015318727d6d42236ab6274f1949fb08baMathias Agopian 48262569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian nsecs_t minDelayNs = sensor->getSensor().getMinDelayNs(); 48362569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian if (ns < minDelayNs) { 48462569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian ns = minDelayNs; 485ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian } 486ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian 4877c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian if (ns < MINIMUM_EVENTS_PERIOD) 4887c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian ns = MINIMUM_EVENTS_PERIOD; 4891cd700015318727d6d42236ab6274f1949fb08baMathias Agopian 490f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian return sensor->setDelay(connection.get(), handle, ns); 491fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 492fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 493fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 494fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 495fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorRecord::SensorRecord( 496fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const sp<SensorEventConnection>& connection) 497fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 498fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.add(connection); 499fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 500fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 5017c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorRecord::addConnection( 502fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const sp<SensorEventConnection>& connection) 503fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 504fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (mConnections.indexOf(connection) < 0) { 505fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.add(connection); 5067c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 507fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 5087c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 509fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 510fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 511fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorRecord::removeConnection( 512fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const wp<SensorEventConnection>& connection) 513fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 514fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian ssize_t index = mConnections.indexOf(connection); 515fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (index >= 0) { 516fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.removeItemsAt(index, 1); 517fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 518fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return mConnections.size() ? false : true; 519fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 520fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 521fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 522fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 523fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorEventConnection::SensorEventConnection( 524fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const sp<SensorService>& service) 525b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian : mService(service), mChannel(new BitTube()) 526fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 527fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 528fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 529fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorEventConnection::~SensorEventConnection() 530fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 531a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "~SensorEventConnection(%p)", this); 532fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mService->cleanupConnection(this); 533fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 534fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 535fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianvoid SensorService::SensorEventConnection::onFirstRef() 536fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 537fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 538fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 5397c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorEventConnection::addSensor(int32_t handle) { 54071d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 541f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (mSensorInfo.indexOf(handle) <= 0) { 542f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mSensorInfo.add(handle); 5437c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 544fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 5457c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 546fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 547fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 5487c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorEventConnection::removeSensor(int32_t handle) { 54971d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 550f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (mSensorInfo.remove(handle) >= 0) { 5517c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 5527c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 5537c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 554fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 555fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 556fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorEventConnection::hasSensor(int32_t handle) const { 55771d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 558f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian return mSensorInfo.indexOf(handle) >= 0; 559fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 560fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 561fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorEventConnection::hasAnySensor() const { 56271d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 5637c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return mSensorInfo.size() ? true : false; 5647c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian} 5657c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 566fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::sendEvents( 567cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian sensors_event_t const* buffer, size_t numEvents, 568cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian sensors_event_t* scratch) 569fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 570cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian // filter out events not for this connection 5713560fb24b668675627934356f210d84d19bf4e56Mathias Agopian size_t count = 0; 5723560fb24b668675627934356f210d84d19bf4e56Mathias Agopian if (scratch) { 57371d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 5743560fb24b668675627934356f210d84d19bf4e56Mathias Agopian size_t i=0; 5753560fb24b668675627934356f210d84d19bf4e56Mathias Agopian while (i<numEvents) { 5763560fb24b668675627934356f210d84d19bf4e56Mathias Agopian const int32_t curr = buffer[i].sensor; 577f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (mSensorInfo.indexOf(curr) >= 0) { 5783560fb24b668675627934356f210d84d19bf4e56Mathias Agopian do { 5793560fb24b668675627934356f210d84d19bf4e56Mathias Agopian scratch[count++] = buffer[i++]; 5803560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } while ((i<numEvents) && (buffer[i].sensor == curr)); 5813560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } else { 5823560fb24b668675627934356f210d84d19bf4e56Mathias Agopian i++; 5833560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 584cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian } 5853560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } else { 5863560fb24b668675627934356f210d84d19bf4e56Mathias Agopian scratch = const_cast<sensors_event_t *>(buffer); 5873560fb24b668675627934356f210d84d19bf4e56Mathias Agopian count = numEvents; 588cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian } 589fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 5903560fb24b668675627934356f210d84d19bf4e56Mathias Agopian if (count == 0) 5913560fb24b668675627934356f210d84d19bf4e56Mathias Agopian return 0; 5923560fb24b668675627934356f210d84d19bf4e56Mathias Agopian 593cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian ssize_t size = mChannel->write(scratch, count*sizeof(sensors_event_t)); 594fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (size == -EAGAIN) { 595fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // the destination doesn't accept events anymore, it's probably 596fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // full. For now, we just drop the events on the floor. 5973c20fbed7f3a916ced10f2ed5a272271b7d81edeSteve Block //ALOGW("dropping %d events on the floor", count); 598fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return size; 599fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 600fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 601f5a1230d322c14c42331d0a1536b50c87742973bSteve Block //ALOGE_IF(size<0, "dropping %d events on the floor (%s)", 60216c3e4ae72e543f53a82f393dd287c11db8a7a80Mathias Agopian // count, strerror(-size)); 603fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 6041e0b1e8491e5f6dc59faabe70cbfa942853150e0Jeff Brown return size < 0 ? status_t(size) : status_t(NO_ERROR); 605fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 606fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 607b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopiansp<BitTube> SensorService::SensorEventConnection::getSensorChannel() const 608fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 609fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return mChannel; 610fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 611fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 612fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::enableDisable( 613fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle, bool enabled) 614fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 615fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t err; 616fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (enabled) { 617fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian err = mService->enable(this, handle); 618fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } else { 619fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian err = mService->disable(this, handle); 620fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 621fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return err; 622fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 623fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 624fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::setEventRate( 625fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle, nsecs_t ns) 626fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 6277c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return mService->setEventRate(this, handle, ns); 628fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 629fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 630fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 631fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; // namespace android 632fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 633