eeprom.h

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// ---------------------------------------------------------------------------+
//                  This file is part of SLS AVR Library
//              https://github.com/SimonLitt/sls-avr-lib
// ---------------------------------------------------------------------------+
// Copyright (C) 2025 Simon Litt <simon@1itt.net> https://coding.1itt.net,
//                                                https://github.com/SimonLitt
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, version 3.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <https://www.gnu.org/licenses/>.
// ---------------------------------------------------------------------------+
 
#ifndef SLS_AVR_EEPROM_H_
#define SLS_AVR_EEPROM_H_
 
#include <avr/eeprom.h>
//#include <sls-avr/avr.h>
 
typedef void *                  eeprom_adr_t;

static inline void eeprom_read_str(char str[], const eeprom_adr_t adr, const size_t sz) {
    for (size_t sz_counter = 0; sz_counter < sz; ++sz_counter) {
        str[sz_counter] = eeprom_read_byte(adr + sz_counter);
        if (!str[sz_counter]) {
            break;
        }
    }
    str[sz] = '\0'; //Always - it's faster then check
}

static inline void eeprom_read(void *const data, const eeprom_adr_t adr, const size_t sz) {
    eeprom_read_block(data, adr, sz);
}

static inline void eeprom_write_str(const char str[], eeprom_adr_t adr, const size_t sz) {
    for (size_t sz_counter = 0; sz_counter < sz; ++sz_counter) {
        eeprom_update_byte(adr + sz_counter, str[sz_counter]);
        if (!str[sz_counter]) {
            break;
        }
    }
}

static inline void eeprom_write(const void *const data, eeprom_adr_t adr, const size_t sz) {
    eeprom_update_block(data, adr, sz);
}
 
#endif // SLS_AVR_EEPROM_H_