fault_policy.h

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#pragma once
 
#include <Arduino.h>
 
#include "control_engine.h"
#include "fault_monitor.h"
 
enum class AlarmCode : uint8_t {
  kNone,                   
  kWaterSensorFault,       
  kFanFault,               
  kWaterSensorAndFanFault, 
};
 
enum class FaultSeverity : uint8_t {
  kNone,     
  kWarning,  
  kCritical, 
};
 
enum class FaultResponse : uint8_t {
  kNormalControl,                  
  kWaterFallback,                  
  kReportFanFault,                 
  kWaterFallbackAndReportFanFault, 
};
 
struct FaultPolicySnapshot {
  AlarmCode alarmCode;        
  FaultSeverity severity;     
  FaultResponse response;     
  bool waterSensorOk;         
  bool fanOk;                 
  bool coolingDegraded;       
  bool serviceRequired;       
  uint8_t effectivePwmPercent;
};
 
namespace FaultPolicy {
 
FaultPolicySnapshot evaluate(const ControlSnapshot& controlSnapshot,
                             const FaultMonitorSnapshot& faultSnapshot);
 
const char* alarmCodeLabel(AlarmCode alarmCode);
 
const char* severityLabel(FaultSeverity severity);
 
const char* responseLabel(FaultResponse response);
 
}  // namespace FaultPolicy