blob: e41ba7a2d42f977507750ca8fb6e011c6b251495 [file] [log] [blame]
Patrick Venture863b9242018-03-08 08:29:23 -08001/**
2 * Copyright 2017 Google Inc.
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 <chrono>
18#include <cmath>
19#include <iostream>
20
21#include "dbusactiveread.hpp"
22#include "dbus/util.hpp"
23
24
25ReadReturn DbusActiveRead::read(void)
26{
27 struct SensorProperties settings;
28 double value;
29
Patrick Venture0df7c0f2018-06-13 09:02:13 -070030 _helper->GetProperties(_bus, _service, _path, &settings);
Patrick Venture863b9242018-03-08 08:29:23 -080031
32 value = settings.value * pow(10, settings.scale);
33
34 /*
35 * Technically it might not be a value from now, but there's no timestamp
36 * on Sensor.Value yet.
37 */
38 struct ReadReturn r = {
39 value,
40 std::chrono::high_resolution_clock::now()
41 };
42
43 return r;
44}
45