ard-boiler/Storage.cpp

#include "Storage.h"
#include <EEPROM.h>
#include <Arduino.h>

template <class T> int EEPROM_writeAnything(int ee, const T& value)
{
    const byte* p = (const byte*)(const void*)&value;
    unsigned int i;
    for (i = 0; i < sizeof(value); i++)
        EEPROM.write(ee++, *p++);
    return i;
}

template <class T> int EEPROM_readAnything(int ee, T& value)
{
    byte* p = (byte*)(void*)&value;
    unsigned int i;
    for (i = 0; i < sizeof(value); i++)
        *p++ = EEPROM.read(ee++);
    return i;
}

void Storage::load(AppCoreState& data)
{
    uint8_t version;
    uint32_t index = 0;
    index += EEPROM_readAnything(index, version);
    if (version == 1)
    {
        index += EEPROM_readAnything(index, data.appState.water.setting);
        index += EEPROM_readAnything(index, data.appState.heater.setting);
        index += EEPROM_readAnything(index, data.appState.tempTrigger);
    }
}

void Storage::save(const AppCoreState& data)
{
    uint32_t index = 0;
    index += EEPROM_writeAnything(index, (uint8_t)1);
    index += EEPROM_writeAnything(index, data.appState.water.setting);
    index += EEPROM_writeAnything(index, data.appState.heater.setting);
    index += EEPROM_writeAnything(index, data.appState.tempTrigger);
}