1 #pragma once
2 
3 #include "ec/pid.hpp"
4 #include "pidcontroller.hpp"
5 
6 #include <memory>
7 #include <string>
8 #include <vector>
9 
10 /*
11  * A ThermalController is a PID controller that reads a number of sensors and
12  * provides the set-points for the fans.
13  */
14 
15 enum class ThermalType
16 {
17     margin,
18     absolute
19 };
20 
21 /**
22  * Get the ThermalType for a given string.
23  *
24  * @param[in] typeString - a string representation of a type.
25  * @return the ThermalType representation.
26  */
27 ThermalType getThermalType(const std::string& typeString);
28 
29 /**
30  * Is the type specified a thermal type?
31  *
32  * @param[in] typeString - a string representation of a PID type.
33  * @return true if it's a thermal PID type.
34  */
35 bool isThermalType(const std::string& typeString);
36 
37 class ThermalController : public PIDController
38 {
39   public:
40     static std::unique_ptr<PIDController>
41         createThermalPid(ZoneInterface* owner, const std::string& id,
42                          const std::vector<std::string>& inputs,
43                          double setpoint, const ec::pidinfo& initial,
44                          const ThermalType& type);
45 
46     ThermalController(const std::string& id,
47                       const std::vector<std::string>& inputs,
48                       const ThermalType& type, ZoneInterface* owner) :
49         PIDController(id, owner),
50         _inputs(inputs), type(type)
51     {
52     }
53 
54     double inputProc(void) override;
55     double setptProc(void) override;
56     void outputProc(double value) override;
57 
58   private:
59     std::vector<std::string> _inputs;
60     ThermalType type;
61 };
62