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 1.9 2006/07/19 12:56:25 bernie
19 *#* Convert to new Doxygen style.
21 *#* Revision 1.8 2005/11/27 23:33:40 bernie
22 *#* Use appconfig.h instead of cfg/config.h.
24 *#* Revision 1.7 2005/11/04 16:20:02 bernie
25 *#* Fix reference to README.devlib in header.
27 *#* Revision 1.6 2005/04/11 19:10:27 bernie
28 *#* Include top-level headers from cfg/ subdir.
30 *#* Revision 1.5 2004/11/02 17:50:02 bernie
31 *#* CONFIG_EEPROM_VERIFY: New config option.
33 *#* Revision 1.4 2004/08/25 14:12:08 rasky
34 *#* Aggiornato il comment block dei log RCS
36 *#* Revision 1.3 2004/08/10 06:57:22 bernie
37 *#* eeprom_erase(): New function.
39 *#* Revision 1.2 2004/07/29 22:57:09 bernie
40 *#* Add 24LC16 support.
42 *#* Revision 1.1 2004/07/20 17:11:18 bernie
43 *#* Import into DevLib.
49 #include <cfg/compiler.h>
50 #include <appconfig.h>
53 * \name Values for CONFIG_EEPROM_TYPE
56 #define EEPROM_24XX16 1
57 #define EEPROM_24XX256 2
60 #if CONFIG_EEPROM_TYPE == EEPROM_24XX16
61 #define EEPROM_BLKSIZE 0x10 ///< Eeprom block size (16byte)
62 #define EEPROM_SIZE 0x800 ///< Eeprom total size (2kB)
63 #elif CONFIG_EEPROM_TYPE == EEPROM_24XX256
64 #define EEPROM_BLKSIZE 0x40 ///< Eeprom block size (64byte)
65 #define EEPROM_SIZE 0x8000 ///< Eeprom total size (32kB)
67 #error Unsupported EEPROM type.
70 /// Type for EEPROM addresses
71 typedef uint16_t e2addr_t;
73 bool eeprom_write(e2addr_t addr, const void *buf, size_t count);
74 bool eeprom_read(e2addr_t addr, void *buf, size_t count);
75 bool eeprom_write_char(e2addr_t addr, char c);
76 int eeprom_read_char(e2addr_t addr);
77 void eeprom_erase(e2addr_t addr, size_t count);
78 void eeprom_init(void);
79 void eeprom_test(void);
81 #endif /* DRV_EEPROM_H */