void EEPROM_write_char(uint16_t address, unsigned char data)
{
    /* Wait for completion of previous write */
    while(EECR & (1<<EEPE));
    /* Set up address and Data Registers */
    EEAR = address;
    EEDR = data;
    /* Write logical one to EEMPE */
    EECR |= (1<<EEMPE);
    /* Start eeprom write by setting EEPE */
    EECR |= (1<<EEPE);
}

unsigned char EEPROM_read_char(uint16_t uiAddress)
{
    /* Wait for completion of previous write */
    while(EECR & (1<<EEPE));
    /* Set up address register */
    EEAR = uiAddress;
    /* Start eeprom read by writing EERE */
    EECR |= (1<<EERE);
    /* Return data from Data Register */
    return EEDR;
}

void EEPROM_write_string(uint16_t address, char* buffer, uint16_t length)
{
    for(uint16_t i = 0; i < length; i++)
    {
        EEPROM_write_char( address+i, buffer[i] );
    }
}

void EEPROM_read_string(uint16_t address, char* buffer, uint16_t length)
{
    for(uint16_t i = 0; i < length; i++)
    {
        buffer[i] = EEPROM_read_char( address+i);
    }
}