xref: /openbmc/phosphor-pid-control/pid/util.cpp (revision 1f802f5e)
1 /**
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 "ec/pid.hpp"
18 
19 #include <cstring>
20 #include <iostream>
21 
22 void initializePIDStruct(ec::pid_info_t* info, const ec::pidinfo& initial)
23 {
24     std::memset(info, 0x00, sizeof(ec::pid_info_t));
25 
26     info->ts = initial.ts;
27     info->p_c = initial.p_c;
28     info->i_c = initial.i_c;
29     info->ff_off = initial.ff_off;
30     info->ff_gain = initial.ff_gain;
31     info->i_lim.min = initial.i_lim.min;
32     info->i_lim.max = initial.i_lim.max;
33     info->out_lim.min = initial.out_lim.min;
34     info->out_lim.max = initial.out_lim.max;
35     info->slew_neg = initial.slew_neg;
36     info->slew_pos = initial.slew_pos;
37     info->negativeHysteresis = initial.negativeHysteresis;
38     info->positiveHysteresis = initial.positiveHysteresis;
39 }
40 
41 void dumpPIDStruct(ec::pid_info_t* info)
42 {
43     std::cerr << " ts: " << info->ts << " p_c: " << info->p_c
44               << " i_c: " << info->i_c << " ff_off: " << info->ff_off
45               << " ff_gain: " << info->ff_gain
46               << " i_lim.min: " << info->i_lim.min
47               << " i_lim.max: " << info->i_lim.max
48               << " out_lim.min: " << info->out_lim.min
49               << " out_lim.max: " << info->out_lim.max
50               << " slew_neg: " << info->slew_neg
51               << " slew_pos: " << info->slew_pos
52               << " last_output: " << info->last_output
53               << " integral: " << info->integral << std::endl;
54 
55     return;
56 }
57