4 * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
5 * This file is part of DevLib - See README.devlib 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 1.8 2005/11/27 23:33:40 bernie
19 *#* Use appconfig.h instead of cfg/config.h.
21 *#* Revision 1.7 2005/11/04 16:20:02 bernie
22 *#* Fix reference to README.devlib in header.
24 *#* Revision 1.6 2005/04/11 19:10:27 bernie
25 *#* Include top-level headers from cfg/ subdir.
27 *#* Revision 1.5 2004/11/02 17:50:02 bernie
28 *#* CONFIG_EEPROM_VERIFY: New config option.
30 *#* Revision 1.4 2004/08/25 14:12:08 rasky
31 *#* Aggiornato il comment block dei log RCS
33 *#* Revision 1.3 2004/08/10 06:57:22 bernie
34 *#* eeprom_erase(): New function.
36 *#* Revision 1.2 2004/07/29 22:57:09 bernie
37 *#* Add 24LC16 support.
39 *#* Revision 1.1 2004/07/20 17:11:18 bernie
40 *#* Import into DevLib.
46 #include <cfg/compiler.h>
47 #include <appconfig.h>
50 * \name Values for CONFIG_EEPROM_TYPE
53 #define EEPROM_24XX16 1
54 #define EEPROM_24XX256 2
57 #if CONFIG_EEPROM_TYPE == EEPROM_24XX16
58 #define EEPROM_BLKSIZE 0x10 //!< Eeprom block size (16byte)
59 #define EEPROM_SIZE 0x800 //!< Eeprom total size (2kB)
60 #elif CONFIG_EEPROM_TYPE == EEPROM_24XX256
61 #define EEPROM_BLKSIZE 0x40 //!< Eeprom block size (64byte)
62 #define EEPROM_SIZE 0x8000 //!< Eeprom total size (32kB)
64 #error Unsupported EEPROM type.
67 //! Type for EEPROM addresses
68 typedef uint16_t e2addr_t;
70 bool eeprom_write(e2addr_t addr, const void *buf, size_t count);
71 bool eeprom_read(e2addr_t addr, void *buf, size_t count);
72 bool eeprom_write_char(e2addr_t addr, char c);
73 int eeprom_read_char(e2addr_t addr);
74 void eeprom_erase(e2addr_t addr, size_t count);
75 void eeprom_init(void);
76 void eeprom_test(void);
78 #endif /* DRV_EEPROM_H */