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/*
* fsm-eeprom.c: EEPROM API for SpaghettiMonster.
*
* Copyright (C) 2017 Selene ToyKeeper
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef FSM_EEPROM_C
#define FSM_EEPROM_C
#include "fsm-eeprom.h"
#if EEPROM_BYTES > 0
#if EEPROM_BYTES >= (EEPSIZE/2)
#error Requested EEPROM_BYTES too big.
#endif
uint8_t eeprom[EEPROM_BYTES];
uint8_t load_eeprom() {
cli();
// check if eeprom has been initialized; abort if it hasn't
uint8_t marker = eeprom_read_byte((uint8_t *)EEP_START);
if (marker != EEP_MARKER) { sei(); return 0; }
// load the actual data
for(uint8_t i=0; i<EEPROM_BYTES; i++) {
eeprom[i] = eeprom_read_byte((uint8_t *)(EEP_START+1+i));
}
sei();
return 1;
}
void save_eeprom() {
cli();
eeprom_update_byte((uint8_t *)EEP_START, EEP_MARKER);
// save the actual data
for(uint8_t i=0; i<EEPROM_BYTES; i++) {
eeprom_update_byte((uint8_t *)(EEP_START+1+i), eeprom[i]);
}
sei();
}
#endif
#if EEPROM_WL_BYTES > 0
#if EEPROM_WL_BYTES >= (EEPSIZE/4)
#error Requested EEPROM_WL_BYTES too big.
#endif
uint8_t eeprom_wl[EEPROM_WL_BYTES];
uint8_t load_wl_eeprom() {
}
void save_wl_eeprom() {
}
#endif
#endif
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