cfs-coffee-arch.c

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/*
 * Copyright (c) 2008, Swedish Institute of Computer Science
 * All rights reserved.
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 * modification, are permitted provided that the following conditions
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * This file is part of the Contiki operating system.
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/**
 * \file
 *      Coffee architecture-dependent functionality for the ESB platform.
 * \author
 *      Nicolas Tsiftes <nvt@sics.se>
 *      Niclas Finne <nfi@sics.se>
 */

#include "cfs-coffee-arch.h"

static const unsigned char nullb[COFFEE_SECTOR_SIZE < 32 ? COFFEE_SECTOR_SIZE : 32] = {0};

void
cfs_coffee_arch_erase(uint16_t sector)
{
  unsigned int i;
  for(i = 0; i <= COFFEE_SECTOR_SIZE - sizeof(nullb); i += sizeof(nullb)) {
    eeprom_write(COFFEE_START + sector * COFFEE_SECTOR_SIZE + i,
                 (unsigned char *)nullb, sizeof(nullb));
  }
  if(i < COFFEE_SECTOR_SIZE) {
    eeprom_write(COFFEE_START + sector * COFFEE_SECTOR_SIZE + i,
                 (unsigned char *)nullb, COFFEE_SECTOR_SIZE - i);

  }
}