blob: eee1c8ad0ca2d56c9bcc494b0008ffd64d537f6c [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
Patrick Ventureda4a5dd2018-08-31 09:42:48 -070017#include "sysfs/sysfsread.hpp"
18
Patrick Venture863b9242018-03-08 08:29:23 -080019#include <chrono>
20#include <fstream>
21#include <iostream>
22
Patrick Venturea0764872020-08-08 07:48:43 -070023namespace pid_control
24{
25
Patrick Venture863b9242018-03-08 08:29:23 -080026ReadReturn SysFsRead::read(void)
27{
28 int64_t value;
29 std::ifstream ifs;
30
31 ifs.open(_path);
32 ifs >> value;
33 ifs.close();
34
Patrick Ventureda4a5dd2018-08-31 09:42:48 -070035 struct ReadReturn r = {static_cast<double>(value),
36 std::chrono::high_resolution_clock::now()};
Patrick Venture863b9242018-03-08 08:29:23 -080037
38 return r;
39}
Patrick Venturea0764872020-08-08 07:48:43 -070040
41} // namespace pid_control