* \version $Id$
*
* \author Stefano Fedrigo <aleph@develer.com>
+ * \author Bernardo Innocenti <bernie@develer.com>
*
- * \brief I2C eeprom driver
+ * \brief Driver for the 24xx16 and 24xx256 I2C EEPROMS (interface)
*/
/*
* $Log$
+ * 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 <compiler.h>
+#include <config.h>
+
+/*!
+ * \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);