qmk_firmware_custom/tmk_core/common/eeprom.h

#pragma once

#if defined(__AVR__)
#include <avr/eeprom.h>
#else
#include <stdint.h>

uint8_t     eeprom_read_byte (const uint8_t *__p);
uint16_t    eeprom_read_word (const uint16_t *__p);
uint32_t    eeprom_read_dword (const uint32_t *__p);
void    eeprom_read_block (void *__dst, const void *__src, uint32_t __n);
void    eeprom_write_byte (uint8_t *__p, uint8_t __value);
void    eeprom_write_word (uint16_t *__p, uint16_t __value);
void    eeprom_write_dword (uint32_t *__p, uint32_t __value);
void    eeprom_write_block (const void *__src, void *__dst, uint32_t __n);
void    eeprom_update_byte (uint8_t *__p, uint8_t __value);
void    eeprom_update_word (uint16_t *__p, uint16_t __value);
void    eeprom_update_dword (uint32_t *__p, uint32_t __value);
void    eeprom_update_block (const void *__src, void *__dst, uint32_t __n);
#endif