/*
 * EEPROM Write/Read Library for H8
 * Written by fenir 2001.9.30
 * Last Updated : 2001.9.30
 * 
 * ROM読み書きする前にrom_init()を呼び出すこと
 * 
 */

#ifndef __EEPROM24C512_H__
#define __EEPROM24C512_H__

#ifdef __cplusplus
extern "C"
{
#endif

typedef struct i2c_rom_t{
  int size;
  unsigned char ch;
  volatile unsigned char *ddr_port;
  volatile unsigned char *sda_port;
  unsigned char sda_port_mask;
  volatile unsigned char *scl_port;
  unsigned char scl_port_mask;
} i2c_rom_t;

void rom_init();

char rom_read_byte(i2c_rom_t *, unsigned char);
unsigned char rom_write_byte(i2c_rom_t *, char);

int rom_readpage(i2c_rom_t *, unsigned int, char *, unsigned char);
int rom_writepage(i2c_rom_t *, unsigned int, char *, unsigned int);

// ROMの設定
#define EEPROM_PAGE_SIZE 64
#define ROM_AMOUNT 16
i2c_rom_t i2c_rom[ROM_AMOUNT];

#ifdef __cplusplus
}
#endif



#endif /* __EEPROM24C512_H__ */