4 * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
5 * This file is part of DevLib - See devlib/README for information.
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 1.6 2005/04/11 19:10:27 bernie
19 *#* Include top-level headers from cfg/ subdir.
21 *#* Revision 1.5 2004/11/02 17:50:02 bernie
22 *#* CONFIG_EEPROM_VERIFY: New config option.
24 *#* Revision 1.4 2004/08/25 14:12:08 rasky
25 *#* Aggiornato il comment block dei log RCS
27 *#* Revision 1.3 2004/08/10 06:57:22 bernie
28 *#* eeprom_erase(): New function.
30 *#* Revision 1.2 2004/07/29 22:57:09 bernie
31 *#* Add 24LC16 support.
33 *#* Revision 1.1 2004/07/20 17:11:18 bernie
34 *#* Import into DevLib.
40 #include <cfg/compiler.h>
41 #include <cfg/config.h>
44 * \name Values for CONFIG_EEPROM_TYPE
47 #define EEPROM_24XX16 1
48 #define EEPROM_24XX256 2
51 #if CONFIG_EEPROM_TYPE == EEPROM_24XX16
52 #define EEPROM_BLKSIZE 0x10 //!< Eeprom block size (16byte)
53 #define EEPROM_SIZE 0x800 //!< Eeprom total size (2kB)
54 #elif CONFIG_EEPROM_TYPE == EEPROM_24XX256
55 #define EEPROM_BLKSIZE 0x40 //!< Eeprom block size (64byte)
56 #define EEPROM_SIZE 0x8000 //!< Eeprom total size (32kB)
58 #error Unsupported EEPROM type.
61 //! Type for EEPROM addresses
62 typedef uint16_t e2addr_t;
64 bool eeprom_write(e2addr_t addr, const void *buf, size_t count);
65 bool eeprom_read(e2addr_t addr, void *buf, size_t count);
66 bool eeprom_write_char(e2addr_t addr, char c);
67 int eeprom_read_char(e2addr_t addr);
68 void eeprom_erase(e2addr_t addr, size_t count);
69 void eeprom_init(void);
70 void eeprom_test(void);
72 #endif /* DRV_EEPROM_H */