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/**
******************************************************************************
* @file eeprom.h
* @brief EEPROM State preserve mechanism
* @author Georg Ottinger
* @version V0.0.1
* @date 10-APR-2012
******************************************************************************
Copyright (C) 2013 Georg Ottinger
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 __EEPROM_H__
#define __EEPROM_H__
//#define EEPROM_SUPER_COMPLICATED
struct {
uint8_t pcid;
uint8_t fresh_powercycle;
uint8_t last_state;
uint8_t pristine;
uint16_t last_addr;
} typedef EEPROMSTATE;
#define EEPROM_STARTADDR 0x004000
#define EEPROM_GRANULARITY 4
//#define EEPROM_BYTES 254
#define EEPROM_BYTES 8
#define EEPROM_STATES 2
extern EEPROMSTATE eepromstate;
extern void init_eeprom(void);
extern void get_last_pcid_eeprom(void);
extern uint8_t get_last_state_eeprom(void);
extern void write_state_eeprom(uint8_t state);
#endif