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added an SD example application

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nvt-se 2008-10-28 12:56:57 +00:00
parent 41a74cd9a9
commit 59012007b9
1 changed files with 86 additions and 0 deletions
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platform/msb430/apps/sd-test.c Normal file
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/*
* Copyright (c) 2007, 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.
*
* $Id: sd-test.c,v 1.1 2008/10/28 12:56:57 nvt-se Exp $
*
* \file
* A simple example of using the SD card on the MSB430 platform.
* \author
* Nicolas Tsiftes <nvt@sics.se>
*/
#include "contiki.h"
#include "net/rime.h"
#include "dev/sd/sd.h"
#include "dev/msb430-uart1.h"
#include <stdio.h>
#define BLOCK_SIZE 512
/*---------------------------------------------------------------------------*/
PROCESS(test_sd_process, "SD test");
AUTOSTART_PROCESSES(&test_sd_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(test_sd_process, ev, data)
{
static char buf[BLOCK_SIZE];
static struct etimer et;
static int r;
static unsigned iter;
PROCESS_BEGIN();
printf("starting the SD test\n");
while(1) {
printf("\n\nIteration %u\n", ++iter);
sprintf(buf, "Testing the SD memory #%u.", iter);
etimer_set(&et, CLOCK_SECOND);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
r = sd_write_block(BLOCK_SIZE, &buf);
if(r != SD_WRITE_SUCCESS) {
printf("sd_write_block failed: %d\n", r);
}
memset(buf, 0, sizeof (buf));
r = sd_read_block(&buf, BLOCK_SIZE);
printf("Read %d bytes\n", r);
if(r > 0) {
buf[sizeof(buf) - 1] = '\0';
printf("Contents of the buffer: %s\n", buf);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/