80 lines
1.7 KiB
C++
80 lines
1.7 KiB
C++
#ifndef EEPROM_MANAGER
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#define EEPROM_MANAGER
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#include <Arduino.h>
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#include <EEPROM.h>
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class EepromUnit;
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class EepromManager final
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{
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public:
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explicit EepromManager();
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friend class EepromUnit;
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/*!
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* \brief Function to register / allocate a part of the EEPROM
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*
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* This function ALWAYS has to be called in THE SAME ORDER for each unit.
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* Otherwise THE DATA WILL BE LOST!!
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*/
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EepromUnit *registerEempromUnit(size_t size);
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private:
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int currentAddressEnding;
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template <typename T>
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const T &writeToEeprom(int address, size_t size, const T &t)
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{
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if (sizeof(T) > size) {
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Serial.println("[Error][EepromManager] writing: Size should be: " + String(size) + " but was: " + String(sizeof(T)));
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return t;
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}
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const T &res = EEPROM.put(address, t);
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EEPROM.commit();
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return res;
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}
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template <typename T>
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T &readFromEeprom(int address, size_t size, T &t)
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{
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if (sizeof(T) > size) {
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Serial.println("[Error][EepromManager] reading: Size should be: " + String(size) + " but was: " + String(sizeof(T)));
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return t;
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}
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T &res = EEPROM.get(address, t);
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return res;
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}
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};
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class EepromUnit final
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{
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public:
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friend class EepromManager;
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template <typename T>
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const T &write(const T &t)
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{
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return this->manager->writeToEeprom(this->address, this->size, t);
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};
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template <typename T>
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T &read(T &t)
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{
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return this->manager->readFromEeprom(this->address, this->size, t);
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};
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private:
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explicit EepromUnit(EepromManager *manager, int address, size_t size);
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EepromManager *manager;
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int address;
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size_t size;
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};
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#endif // EEPROM_MANAGER
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