1 
2 /*
3 // Copyright (c) 2018 Intel Corporation
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 //      http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 */
17 
18 #pragma once
19 
20 #include <cstddef>
21 #include <vector>
22 
23 namespace ec
24 {
25 constexpr size_t maxStepwisePoints = 20;
26 
27 struct StepwiseInfo
28 {
29     float ts; // sample time in seconds
30     float reading[maxStepwisePoints];
31     float output[maxStepwisePoints];
32     float positiveHysteresis;
33     float negativeHysteresis;
34 };
35 
36 float stepwise(const ec::StepwiseInfo& info, float value);
37 
38 } // namespace ec