osd-contiki/platform/esb/cfs-coffee-arch.c

59 lines
2.3 KiB
C

/*
* Copyright (c) 2008, Swedish Institute of Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 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
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \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);
}
}