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Architecture-dependent Coffee functions for SD cards.

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This commit is contained in:
nvt-se 2009-09-17 14:37:32 +00:00
parent f3e304ec40
commit 4fd4cb1238
2 changed files with 70 additions and 2 deletions
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65
platform/msb430/cfs-coffee-arch.c Normal file
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@ -0,0 +1,65 @@
/*
* 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;
}

7
platform/msb430/cfs-coffee-arch.h
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@ -32,7 +32,7 @@
/**
* \file
* Coffee architecture-dependent header for the Tmote Sky platform.
* Coffee header for the Tmote Sky platform.
* \author
* Nicolas Tsiftes <nvt@sics.se>
*/
@ -64,10 +64,13 @@
#define COFFEE_READ(buf, size, offset) \
sd_rio_read(COFFEE_START + (offset), (char *)buf, (size))
#define COFFEE_ERASE(sector)
#define COFFEE_ERASE(sector) \
cfs_coffee_arch_erase(sector)
/* Coffee types. */
typedef int16_t coffee_page_t;
typedef sd_offset_t coffee_offset_t;
int cfs_coffee_arch_erase(unsigned);
#endif /* !COFFEE_ARCH_H */