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/*
* Copyright (C) 2015 Intel Corporation
*
* 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 <cutils/log.h>
#include "H3LIS331DLAccelerometer.hpp"
#include "SensorsHAL.hpp"
#include "SensorUtils.hpp"
struct sensor_t H3LIS331DLAccelerometer::sensorDescription = {
.name = "H3LIS331DL Accelerometer",
.vendor = "ST Microelectronics",
.version = 1,
.handle = -1,
.type = SENSOR_TYPE_ACCELEROMETER,
/* maxRange = 1.5g */
.maxRange = 29.43f,
.resolution = 0.46714286f,
.power = 0.0198f,
.minDelay = 10,
.fifoReservedEventCount = 0,
.fifoMaxEventCount = 0,
.stringType = SENSOR_STRING_TYPE_ACCELEROMETER,
.requiredPermission = "",
.maxDelay = 1000,
.flags = SENSOR_FLAG_CONTINUOUS_MODE,
.reserved = {},
};
Sensor * H3LIS331DLAccelerometer::createSensor(int pollFd) {
return new H3LIS331DLAccelerometer(pollFd, SensorUtils::getI2cBusNumber(),
H3LIS331DL_DEFAULT_I2C_ADDR);
}
void H3LIS331DLAccelerometer::initModule() {
SensorContext::addSensorModule(&sensorDescription, createSensor);
}
H3LIS331DLAccelerometer::H3LIS331DLAccelerometer(int pollFd, int bus, int address)
: H3LIS331DL(bus, address), pollFd(pollFd) {
handle = sensorDescription.handle;
type = SENSOR_TYPE_ACCELEROMETER;
}
H3LIS331DLAccelerometer::~H3LIS331DLAccelerometer() {}
int H3LIS331DLAccelerometer::pollEvents(sensors_event_t* data, int count) {
update();
getAcceleration(&data->acceleration.x, &data->acceleration.y, &data->acceleration.z);
return 1;
}
int H3LIS331DLAccelerometer::activate(int handle, int enabled) {
if (enabled) {
if(!init(DR_100_74, PM_NORMAL, FS_100)) {
return -1;
}
}
else {
setPowerMode(PM_POWERDWN);
}
return activateAcquisitionThread(pollFd, handle, enabled);
}
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