ard-boiler/Boiler.h

#pragma once

typedef char temp_t;
typedef unsigned long timestamp_t;

enum UiStateEnum
{
    Hibernate,
    Lighting,
    WaterSetting,
    HeaterSetting
};

struct BoilerItemState
{
    temp_t current;
    temp_t setting;
    bool isActive;
};

struct AppState
{
    BoilerItemState water;
    BoilerItemState heater;
};

struct UiState
{
    UiStateEnum state;
    timestamp_t lastOpMs;
    unsigned modeSequenceIndex;
    bool isUpdateNeeded;
};

struct GlobalState
{
    AppState appState;
    UiState uiState;
};