Settings.cpp

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#include "Arduino.h"
#include "Settings.h"
#include "SerialLog.h"
 
void saveSettings(Settings *ToSave)
{
  eeprom_update_block((const void *)ToSave, (void *)0, sizeof(Settings)); // update_block only writes the bytes that changed
}
 
Settings *loadSettings(bool ResetEEPROM) 
{
  Settings *DefaultSettings = new Settings();                              // This is where settings are stored, first it takes the sketch default settings defined in Settings.h
  Settings EEPROMSettings;                                                 // temporary storage with "Settings" type
  eeprom_read_block((void *)&EEPROMSettings, (void *)0, sizeof(Settings)); // Load EEPROM stored settings into EEPROMSettings
  if (DefaultSettings->CompatibilityVersion != EEPROMSettings.CompatibilityVersion || ResetEEPROM)
  { // Making sure the EEPROM loaded settings are compatible with the sketch
    logToSerials(F("Updating EEPROM"), false, 1);
    saveSettings(DefaultSettings); // overwrites EEPROM stored settings with defaults from this sketch
  }
  else
  {
    logToSerials(F("Applying EEPROM settings"), false, 1);
    // DefaultSettings = EEPROMSettings; // overwrite sketch defaults with loaded settings
    memcpy(DefaultSettings, &EEPROMSettings, sizeof(Settings));
  }
  logToSerials(F("Version"), false, 3);
  logToSerials(DefaultSettings->CompatibilityVersion, true, 1);
  return DefaultSettings;
}
 
void restoreDefaults()
{
  logToSerials(F("Forcing settings update at next restart"), true, 0);
  loadSettings(true);
  logToSerials(F("Reseting the sketch"), true, 1);
  __asm__ __volatile__("jmp 0x0000");
}