X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Feeprom.h;h=ec2f52861fb03957e5b1f9d745d08f0b886c9778;hb=b25aabb82dd47404b0697e1394fd3a14963e1224;hp=6410d0e5b10c1f8d3b6b4c8b3dc7194ee332bc78;hpb=8e90a9cdc1bf5a30c92edcc218e9cc16327d7d21;p=bertos.git diff --git a/drv/eeprom.h b/drv/eeprom.h index 6410d0e5..ec2f5286 100755 --- a/drv/eeprom.h +++ b/drv/eeprom.h @@ -2,37 +2,76 @@ * \file * * * \version $Id$ * * \author Stefano Fedrigo + * \author Bernardo Innocenti * - * \brief I2C eeprom driver + * \brief Driver for the 24xx16 and 24xx256 I2C EEPROMS (interface) */ -/* - * $Log$ - * Revision 1.1 2004/07/20 17:11:18 bernie - * Import into DevLib. - * - */ +/*#* + *#* $Log$ + *#* Revision 1.8 2005/11/27 23:33:40 bernie + *#* Use appconfig.h instead of cfg/config.h. + *#* + *#* Revision 1.7 2005/11/04 16:20:02 bernie + *#* Fix reference to README.devlib in header. + *#* + *#* Revision 1.6 2005/04/11 19:10:27 bernie + *#* Include top-level headers from cfg/ subdir. + *#* + *#* Revision 1.5 2004/11/02 17:50:02 bernie + *#* CONFIG_EEPROM_VERIFY: New config option. + *#* + *#* Revision 1.4 2004/08/25 14:12:08 rasky + *#* Aggiornato il comment block dei log RCS + *#* + *#* Revision 1.3 2004/08/10 06:57:22 bernie + *#* eeprom_erase(): New function. + *#* + *#* Revision 1.2 2004/07/29 22:57:09 bernie + *#* Add 24LC16 support. + *#* + *#* Revision 1.1 2004/07/20 17:11:18 bernie + *#* Import into DevLib. + *#* + *#*/ #ifndef DRV_EEPROM_H #define DRV_EEPROM_H -#include "compiler.h" +#include +#include + +/*! + * \name Values for CONFIG_EEPROM_TYPE + * \{ + */ +#define EEPROM_24XX16 1 +#define EEPROM_24XX256 2 +/*\}*/ -//! Eeprom block size -#define EEPROM_BLKSIZE 0x40 +#if CONFIG_EEPROM_TYPE == EEPROM_24XX16 + #define EEPROM_BLKSIZE 0x10 //!< Eeprom block size (16byte) + #define EEPROM_SIZE 0x800 //!< Eeprom total size (2kB) +#elif CONFIG_EEPROM_TYPE == EEPROM_24XX256 + #define EEPROM_BLKSIZE 0x40 //!< Eeprom block size (64byte) + #define EEPROM_SIZE 0x8000 //!< Eeprom total size (32kB) +#else + #error Unsupported EEPROM type. +#endif -//! Type for eeprom addresses +//! Type for EEPROM addresses typedef uint16_t e2addr_t; bool eeprom_write(e2addr_t addr, const void *buf, size_t count); bool eeprom_read(e2addr_t addr, void *buf, size_t count); bool eeprom_write_char(e2addr_t addr, char c); int eeprom_read_char(e2addr_t addr); +void eeprom_erase(e2addr_t addr, size_t count); void eeprom_init(void); void eeprom_test(void);