| /* |
| * Copyright (C) 2016 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. |
| */ |
| |
| #include "chre/core/event_loop_manager.h" |
| #include "chre/core/sensor_request.h" |
| #include "chre/core/sensor_type_helpers.h" |
| #include "chre/util/macros.h" |
| #include "chre/util/time.h" |
| #include "chre_api/chre/sensor.h" |
| |
| using chre::EventLoopManager; |
| using chre::EventLoopManagerSingleton; |
| using chre::Nanoseconds; |
| using chre::SensorMode; |
| using chre::SensorRequest; |
| |
| using chre::getSensorModeFromEnum; |
| |
| #if defined(CHRE_SLPI_SEE) && defined(CHRE_SLPI_UIMG_ENABLED) && \ |
| defined(CHRE_SENSORS_SUPPORT_ENABLED) |
| namespace { |
| bool isBigImageSensorType(uint8_t sensorType) { |
| return (sensorType == CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_ACCEL || |
| sensorType == CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_UNCAL_ACCEL || |
| sensorType == CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_UNCAL_GYRO || |
| sensorType == CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_UNCAL_MAG || |
| sensorType == CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_LIGHT); |
| } |
| |
| /** |
| * Rewrites the provided sensorType to its big-image counterpart if it exists. |
| */ |
| void rewriteToBigImageSensorType(uint8_t *sensorType) { |
| CHRE_ASSERT(sensorType); |
| |
| if (*sensorType == CHRE_SENSOR_TYPE_ACCELEROMETER) { |
| *sensorType = CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_ACCEL; |
| } else if (*sensorType == CHRE_SENSOR_TYPE_UNCALIBRATED_ACCELEROMETER) { |
| *sensorType = CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_UNCAL_ACCEL; |
| } else if (*sensorType == CHRE_SENSOR_TYPE_UNCALIBRATED_GYROSCOPE) { |
| *sensorType = CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_UNCAL_GYRO; |
| } else if (*sensorType == CHRE_SENSOR_TYPE_UNCALIBRATED_GEOMAGNETIC_FIELD) { |
| *sensorType = CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_UNCAL_MAG; |
| } else if (*sensorType == CHRE_SENSOR_TYPE_LIGHT) { |
| *sensorType = CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_LIGHT; |
| } |
| } |
| |
| } // anonymous namespace |
| #endif // defined(CHRE_SLPI_SEE) && defined(CHRE_SLPI_UIMG_ENABLED) && |
| // defined(CHRE_SENSORS_SUPPORT_ENABLED) |
| |
| DLL_EXPORT bool chreSensorFindDefault(uint8_t sensorType, uint32_t *handle) { |
| #if CHRE_SENSORS_SUPPORT_ENABLED |
| #if defined(CHRE_SLPI_SEE) && defined(CHRE_SLPI_UIMG_ENABLED) |
| // HACK: as SEE does not support software batching in uimg via QCM/uQSockets, |
| // reroute requests for accel and uncal accel/gyro/mag from a big image |
| // nanoapp to a separate sensor type internally. These are the only always-on |
| // sensors used today by big image nanoapps, and this change allows these |
| // requests to transparently go to a separate sensor implementation that |
| // supports uimg batching via CM/QMI. |
| // TODO(P2-5673a9): work with QC to determine a better long-term solution |
| chre::Nanoapp *nanoapp = EventLoopManager::validateChreApiCall(__func__); |
| if (!nanoapp->isUimgApp()) { |
| // Since we have an accompanying hack in PlatformNanoapp::handleEvent(), |
| // hide the vendor sensor type from big image nanoapps as we're unable to |
| // deliver events for it |
| if (isBigImageSensorType(sensorType)) { |
| return false; |
| } |
| rewriteToBigImageSensorType(&sensorType); |
| } |
| #endif // defined(CHRE_SLPI_SEE) && defined(CHRE_SLPI_UIMG_ENABLED) |
| |
| return EventLoopManagerSingleton::get() |
| ->getSensorRequestManager() |
| .getSensorHandle(sensorType, handle); |
| #else // CHRE_SENSORS_SUPPORT_ENABLED |
| UNUSED_VAR(sensorType); |
| UNUSED_VAR(handle); |
| return false; |
| #endif |
| } |
| |
| DLL_EXPORT bool chreGetSensorInfo(uint32_t sensorHandle, |
| struct chreSensorInfo *info) { |
| #ifdef CHRE_SENSORS_SUPPORT_ENABLED |
| CHRE_ASSERT(info); |
| |
| chre::Nanoapp *nanoapp = EventLoopManager::validateChreApiCall(__func__); |
| |
| bool success = false; |
| if (info != nullptr) { |
| success = EventLoopManagerSingleton::get() |
| ->getSensorRequestManager() |
| .getSensorInfo(sensorHandle, *nanoapp, info); |
| |
| // The distinction between big/uimg accel and uncal accel/gyro/mag should |
| // be abstracted away from big image nanoapps, so overwrite any platform |
| // implementation here. |
| #if defined(CHRE_SLPI_SEE) && defined(CHRE_SLPI_UIMG_ENABLED) |
| if (!nanoapp->isUimgApp()) { |
| chre::PlatformSensorTypeHelpers::rewriteToChreSensorType( |
| &info->sensorType); |
| } |
| #endif // defined(CHRE_SLPI_SEE) && defined(CHRE_SLPI_UIMG_ENABLED) |
| } |
| return success; |
| #else // CHRE_SENSORS_SUPPORT_ENABLED |
| UNUSED_VAR(sensorHandle); |
| UNUSED_VAR(info); |
| return false; |
| #endif // CHRE_SENSORS_SUPPORT_ENABLED |
| } |
| |
| DLL_EXPORT bool chreGetSensorSamplingStatus( |
| uint32_t sensorHandle, struct chreSensorSamplingStatus *status) { |
| #ifdef CHRE_SENSORS_SUPPORT_ENABLED |
| CHRE_ASSERT(status); |
| |
| bool success = false; |
| if (status != nullptr) { |
| success = EventLoopManagerSingleton::get() |
| ->getSensorRequestManager() |
| .getSensorSamplingStatus(sensorHandle, status); |
| } |
| return success; |
| #else // CHRE_SENSORS_SUPPORT_ENABLED |
| UNUSED_VAR(sensorHandle); |
| UNUSED_VAR(status); |
| return false; |
| #endif // CHRE_SENSORS_SUPPORT_ENABLED |
| } |
| |
| DLL_EXPORT bool chreSensorConfigure(uint32_t sensorHandle, |
| enum chreSensorConfigureMode mode, |
| uint64_t interval, uint64_t latency) { |
| #ifdef CHRE_SENSORS_SUPPORT_ENABLED |
| chre::Nanoapp *nanoapp = EventLoopManager::validateChreApiCall(__func__); |
| SensorMode sensorMode = getSensorModeFromEnum(mode); |
| SensorRequest sensorRequest(nanoapp->getInstanceId(), sensorMode, |
| Nanoseconds(interval), Nanoseconds(latency)); |
| return EventLoopManagerSingleton::get() |
| ->getSensorRequestManager() |
| .setSensorRequest(nanoapp, sensorHandle, sensorRequest); |
| #else // CHRE_SENSORS_SUPPORT_ENABLED |
| UNUSED_VAR(sensorHandle); |
| UNUSED_VAR(mode); |
| UNUSED_VAR(interval); |
| UNUSED_VAR(latency); |
| return false; |
| #endif // CHRE_SENSORS_SUPPORT_ENABLED |
| } |
| |
| DLL_EXPORT bool chreSensorConfigureBiasEvents(uint32_t sensorHandle, |
| bool enable) { |
| #ifdef CHRE_SENSORS_SUPPORT_ENABLED |
| chre::Nanoapp *nanoapp = EventLoopManager::validateChreApiCall(__func__); |
| return EventLoopManagerSingleton::get() |
| ->getSensorRequestManager() |
| .configureBiasEvents(nanoapp, sensorHandle, enable); |
| #else // CHRE_SENSORS_SUPPORT_ENABLED |
| UNUSED_VAR(sensorHandle); |
| UNUSED_VAR(enable); |
| return false; |
| #endif // CHRE_SENSORS_SUPPORT_ENABLED |
| } |
| |
| DLL_EXPORT bool chreSensorGetThreeAxisBias( |
| uint32_t sensorHandle, struct chreSensorThreeAxisData *bias) { |
| #ifdef CHRE_SENSORS_SUPPORT_ENABLED |
| return EventLoopManagerSingleton::get() |
| ->getSensorRequestManager() |
| .getThreeAxisBias(sensorHandle, bias); |
| #else // CHRE_SENSORS_SUPPORT_ENABLED |
| UNUSED_VAR(sensorHandle); |
| UNUSED_VAR(bias); |
| return false; |
| #endif // CHRE_SENSORS_SUPPORT_ENABLED |
| } |
| |
| DLL_EXPORT bool chreSensorFlushAsync(uint32_t sensorHandle, |
| const void *cookie) { |
| #ifdef CHRE_SENSORS_SUPPORT_ENABLED |
| chre::Nanoapp *nanoapp = EventLoopManager::validateChreApiCall(__func__); |
| return EventLoopManagerSingleton::get()->getSensorRequestManager().flushAsync( |
| nanoapp, sensorHandle, cookie); |
| #else // CHRE_SENSORS_SUPPORT_ENABLED |
| UNUSED_VAR(sensorHandle); |
| UNUSED_VAR(cookie); |
| return false; |
| #endif // CHRE_SENSORS_SUPPORT_ENABLED |
| } |