1/*
2 * Copyright (C) 2015 Intel Corporation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <cutils/log.h>
18#include "GroveTemperature.hpp"
19#include "SensorsHAL.hpp"
20
21struct sensor_t GroveTemperature::sensorDescription = {
22  .name = "Grove Temperature Sensor",
23  .vendor = "Murata",
24  .version = 1,
25  .handle = -1,
26  .type = SENSOR_TYPE_TEMPERATURE,
27  .maxRange = 125.0f,
28  .resolution = 1.0f,
29  .power = 0.001f,
30  .minDelay = 10,
31  .fifoReservedEventCount = 0,
32  .fifoMaxEventCount = 0,
33  .stringType = SENSOR_STRING_TYPE_TEMPERATURE,
34  .requiredPermission = "",
35  .maxDelay = 1000,
36  .flags = SENSOR_FLAG_ON_CHANGE_MODE,
37  .reserved = {},
38};
39
40Sensor * GroveTemperature::createSensor(int pollFd) {
41  return new GroveTemperature(pollFd, 0);
42}
43
44void GroveTemperature::initModule() {
45  SensorContext::addSensorModule(&sensorDescription, createSensor);
46}
47
48GroveTemperature::GroveTemperature(int pollFd, int pin) : upm::GroveTemp(pin), pollFd(pollFd) {
49  handle = sensorDescription.handle;
50  type = SENSOR_TYPE_TEMPERATURE;
51}
52
53GroveTemperature::~GroveTemperature() {}
54
55int GroveTemperature::pollEvents(sensors_event_t* data, int count) {
56  data->temperature = value();
57  return 1;
58}
59
60int GroveTemperature::activate(int handle, int enabled) {
61  /* start or stop the acquisition thread */
62  return activateAcquisitionThread(pollFd, handle, enabled);
63}
64