68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
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/*
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* 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
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: eeprom.c,v 1.1 2006/06/17 22:41:31 adamdunkels Exp $
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*/
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#include "dev/eeprom.h"
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#include "node.h"
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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static unsigned char eeprom[65536];
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void
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eeprom_write(eeprom_addr_t addr, unsigned char *buf, int size)
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{
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int f;
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char name[400];
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snprintf(name, sizeof(name), "eeprom.%d.%d", node_x(), node_y());
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f = open(name, O_WRONLY | O_APPEND | O_CREAT, 0644);
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lseek(f, addr, SEEK_SET);
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write(f, buf, size);
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close(f);
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printf("eeprom_write(addr 0x%02x, buf %p, size %d);\n", addr, buf, size);
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memcpy(&eeprom[addr], buf, size);
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}
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void
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eeprom_read(eeprom_addr_t addr, unsigned char *buf, int size)
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{
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/* printf("eeprom_read(addr 0x%02x, buf %p, size %d);\n", addr, buf, size);*/
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memcpy(buf, &eeprom[addr], size);
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}
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