X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=drv%2Feeprom.h;h=7a80f177976f5c825677d9dc98dd5e7a9e28f5d5;hb=e26fdac0517f0bcf9251dd557e519c7fb5f0f720;hp=ec2f52861fb03957e5b1f9d745d08f0b886c9778;hpb=888d1c49ed7cea0f272f520a74be35a32032bd6e;p=bertos.git

diff --git a/drv/eeprom.h b/drv/eeprom.h
index ec2f5286..7a80f177 100755
--- a/drv/eeprom.h
+++ b/drv/eeprom.h
@@ -1,4 +1,4 @@
-/*!
+/**
  * \file
  * <!--
  * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
@@ -15,6 +15,12 @@
 
 /*#*
  *#* $Log$
+ *#* 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.
  *#*
@@ -46,7 +52,7 @@
 #include <cfg/compiler.h>
 #include <appconfig.h>
 
-/*!
+/**
  * \name Values for CONFIG_EEPROM_TYPE
  * \{
  */
@@ -55,18 +61,29 @@
 /*\}*/
 
 #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);