contiki/platform/msb430/cfs-coffee-arch.c

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/*
* Copyright (c) 2009, 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 functions the MSB-430 platform.
* \author
* Nicolas Tsiftes <nvt@sics.se>
*/
#include "cfs-coffee-arch.h"
#include "dev/sd.h"
#include <string.h>
int
cfs_coffee_arch_erase(unsigned sector)
{
char buf[SD_BLOCK_SIZE];
sd_offset_t start_offset;
sd_offset_t end_offset;
sd_offset_t offset;
int r;
memset(buf, 0, sizeof(buf));
start_offset = COFFEE_START + sector * COFFEE_SECTOR_SIZE;
end_offset = start_offset + COFFEE_SECTOR_SIZE;
for(offset = start_offset; offset < end_offset; offset += SD_BLOCK_SIZE) {
if(sd_rio_write(offset, buf, sizeof(buf)) < 0) {
return -1;
}
}
return 0;
}