X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Feeprom.h;h=e23cd138371da8bda3a624a5fc7061cd041bfb2c;hb=be5afe05ba0c8a2c885ee9b5a7251ac95d11ac20;hp=287a9ce31d8fdd2d79a3ac3cd3874ca705f949fa;hpb=6f8beb702446d9cf0d4474598199357c4b8a5bd2;p=bertos.git diff --git a/drv/eeprom.h b/drv/eeprom.h old mode 100755 new mode 100644 index 287a9ce3..e23cd138 --- a/drv/eeprom.h +++ b/drv/eeprom.h @@ -1,8 +1,33 @@ -/*! +/** * \file * * * \version $Id$ @@ -13,22 +38,46 @@ * \brief Driver for the 24xx16 and 24xx256 I2C EEPROMS (interface) */ -/* - * $Log$ - * 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. - * - */ +/*#* + *#* $Log$ + *#* Revision 1.10 2006/09/13 18:29:54 bernie + *#* e2addr(): New macro. + *#* + *#* Revision 1.9 2006/07/19 12:56:25 bernie + *#* Convert to new Doxygen style. + *#* + *#* 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 -#include +#include +#include -/*! +/** * \name Values for CONFIG_EEPROM_TYPE * \{ */ @@ -37,22 +86,34 @@ /*\}*/ #if CONFIG_EEPROM_TYPE == EEPROM_24XX16 - #define EEPROM_BLKSIZE 0x10 //!< Eeprom block size (16byte) - #define EEPROM_SIZE 0x800 //!< Eeprom total size (2kB) + #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) + #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; +/** + * Macro for E2Layout offset calculation + * + * \note We can't just use offsetof() here because we could use + * non-constant expressions to access array elements. + * + * \note E2Layout is a structure that must be defined in user files. + */ +#define e2addr(x) ((e2addr_t)&(((struct E2Layout *)0)->x)) + + 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);