117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/* Copyright (c) 2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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/**
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* \file
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* EEPROM functions.
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* \author Adam Dunkels <adam@sics.se>
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*/
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/**
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* \addtogroup dev
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* @{
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*/
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/**
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* \defgroup eeprom EEPROM API
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*
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* The EEPROM API defines a common interface for EEPROM access on
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* Contiki platforms.
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*
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* A platform with EEPROM support must implement this API.
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*
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* @{
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*/
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#ifndef EEPROM_H_
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#define EEPROM_H_
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typedef unsigned short eeprom_addr_t;
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#define EEPROM_NULL 0
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#ifdef EEPROM_CONF_SIZE
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#define EEPROM_SIZE (EEPROM_CONF_SIZE)
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#else
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#define EEPROM_SIZE 0 /* Default to no EEPROM */
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#endif
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#ifdef EEPROM_CONF_END_ADDR
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#define EEPROM_END_ADDR (EEPROM_CONF_END_ADDR)
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#else
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#define EEPROM_END_ADDR (EEPROM_SIZE - 1)
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#endif
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/**
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* Write a buffer into EEPROM.
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*
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* This function writes a buffer of the specified size into EEPROM.
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*
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* \param addr The address in EEPROM to which the buffer should be written.
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*
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* \param buf A pointer to the buffer from which data is to be read.
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*
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* \param size The number of bytes to write into EEPROM.
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*
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*
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*/
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void eeprom_write(eeprom_addr_t addr, unsigned char *buf, int size);
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/**
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* Read data from the EEPROM.
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*
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* This function reads a number of bytes from the specified address in
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* EEPROM and into a buffer in memory.
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*
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* \param addr The address in EEPROM from which the data should be read.
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*
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* \param buf A pointer to the buffer to which the data should be stored.
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*
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* \param size The number of bytes to read.
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*
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*
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*/
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void eeprom_read(eeprom_addr_t addr, unsigned char *buf, int size);
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/**
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* Initialize the EEPROM module
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*
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* This function initializes the EEPROM module and is called from the
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* bootup code.
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*
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*/
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void eeprom_init(void);
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#endif /* EEPROM_H_ */
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/** @} */
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/** @} */
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