0319306670
1) "google" sensors are now reporting AOSP as the vendor string 2) don't expose the system's sensor fusion if the HAL provides it 3) use uncalibrated gyro if availble for the system's sensor fusion Change-Id: I25140436cdb29d55e39fd6fbbf8c44a410a83d5c
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdint.h>
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#include <math.h>
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#include <sys/types.h>
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#include <utils/Errors.h>
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#include <hardware/sensors.h>
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#include "LinearAccelerationSensor.h"
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#include "SensorDevice.h"
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#include "SensorFusion.h"
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namespace android {
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// ---------------------------------------------------------------------------
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LinearAccelerationSensor::LinearAccelerationSensor(sensor_t const* list, size_t count)
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: mSensorDevice(SensorDevice::getInstance()),
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mGravitySensor(list, count)
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{
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}
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bool LinearAccelerationSensor::process(sensors_event_t* outEvent,
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const sensors_event_t& event)
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{
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bool result = mGravitySensor.process(outEvent, event);
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if (result && event.type == SENSOR_TYPE_ACCELEROMETER) {
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outEvent->data[0] = event.acceleration.x - outEvent->data[0];
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outEvent->data[1] = event.acceleration.y - outEvent->data[1];
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outEvent->data[2] = event.acceleration.z - outEvent->data[2];
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outEvent->sensor = '_lin';
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outEvent->type = SENSOR_TYPE_LINEAR_ACCELERATION;
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return true;
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}
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return false;
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}
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status_t LinearAccelerationSensor::activate(void* ident, bool enabled) {
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return mGravitySensor.activate(this, enabled);
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}
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status_t LinearAccelerationSensor::setDelay(void* ident, int handle, int64_t ns) {
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return mGravitySensor.setDelay(this, handle, ns);
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}
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Sensor LinearAccelerationSensor::getSensor() const {
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Sensor gsensor(mGravitySensor.getSensor());
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sensor_t hwSensor;
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hwSensor.name = "Linear Acceleration Sensor";
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hwSensor.vendor = "AOSP";
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hwSensor.version = gsensor.getVersion();
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hwSensor.handle = '_lin';
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hwSensor.type = SENSOR_TYPE_LINEAR_ACCELERATION;
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hwSensor.maxRange = gsensor.getMaxValue();
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hwSensor.resolution = gsensor.getResolution();
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hwSensor.power = gsensor.getPowerUsage();
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hwSensor.minDelay = gsensor.getMinDelay();
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Sensor sensor(&hwSensor);
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return sensor;
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}
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// ---------------------------------------------------------------------------
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}; // namespace android
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