4 * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
10 * \author Stefano Fedrigo <aleph@develer.com>
11 * \author Bernardo Innocenti <bernie@develer.com>
13 * \brief Driver for the 24xx16 and 24xx256 I2C EEPROMS (interface)
18 * Revision 1.3 2004/08/10 06:57:22 bernie
19 * eeprom_erase(): New function.
21 * Revision 1.2 2004/07/29 22:57:09 bernie
24 * Revision 1.1 2004/07/20 17:11:18 bernie
35 * \name Values for CONFIG_EEPROM_TYPE
38 #define EEPROM_24XX16 1
39 #define EEPROM_24XX256 2
42 #if CONFIG_EEPROM_TYPE == EEPROM_24XX16
43 #define EEPROM_BLKSIZE 0x10 //!< Eeprom block size (16byte)
44 #define EEPROM_SIZE 0x800 //!< Eeprom total size (2kB)
45 #elif CONFIG_EEPROM_TYPE == EEPROM_24XX256
46 #define EEPROM_BLKSIZE 0x40 //!< Eeprom block size (64byte)
47 #define EEPROM_SIZE 0x8000 //!< Eeprom total size (32kB)
49 #error Unsupported EEPROM type.
52 //! Type for EEPROM addresses
53 typedef uint16_t e2addr_t;
55 bool eeprom_write(e2addr_t addr, const void *buf, size_t count);
56 bool eeprom_read(e2addr_t addr, void *buf, size_t count);
57 bool eeprom_write_char(e2addr_t addr, char c);
58 int eeprom_read_char(e2addr_t addr);
59 void eeprom_erase(e2addr_t addr, size_t count);
60 void eeprom_init(void);
61 void eeprom_test(void);
63 #endif /* DRV_EEPROM_H */