qmk_firmware/common/eeconfig.c

#include <stdint.h>
#include <stdbool.h>
#include <avr/eeprom.h>
#include "eeconfig.h"


void eeconfig_init(void)
{
    eeprom_write_word(EECONFIG_MAGIC,               EECONFIG_MAGIC_NUMBER);
    eeprom_write_byte(EECONFIG_DEBUG,               0);
    eeprom_write_byte(EECONFIG_DEFAULT_LAYER,       0);
    eeprom_write_byte(EECONFIG_MODIFIER,            0);
    eeprom_write_byte(EECONFIG_MOUSEKEY_ACCEL,      0);
}

bool eeconfig_initialized(void)
{
    return (eeprom_read_word(EECONFIG_MAGIC) == EECONFIG_MAGIC_NUMBER);
}

uint8_t eeconfig_read_debug(void) { return eeprom_read_byte(EECONFIG_DEBUG); }
void eeconfig_write_debug(uint8_t val) { eeprom_write_byte(EECONFIG_DEBUG, val); }

uint8_t eeconfig_read_defalt_layer(void) { return eeprom_read_byte(EECONFIG_DEFAULT_LAYER); }
void eeconfig_write_defalt_layer(uint8_t val) { eeprom_write_byte(EECONFIG_DEFAULT_LAYER, val); }

uint8_t eeconfig_read_modifier(void) { return eeprom_read_byte(EECONFIG_MODIFIER); }
void eeconfig_write_modifier(uint8_t val) { eeprom_write_byte(EECONFIG_MODIFIER, val); }