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105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/*
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* Copyright (c) 2007 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: sd-test.c,v 1.4 2009/05/26 13:23:59 nvt-se Exp $
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*
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* \file
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* A simple example of using the SD card on the MSB430 platform.
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* \author
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* Nicolas Tsiftes <nvt@sics.se>
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*/
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#include "contiki.h"
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#include "dev/sd/sd.h"
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#include "dev/msb430-uart1.h"
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#include "lib/random.h"
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#include "net/rime.h"
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#include <stdio.h>
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#include <string.h>
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#define BLOCK_SIZE 512UL
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#define CALM_MODE 1
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#define ALTER_OFFSET 0
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/*---------------------------------------------------------------------------*/
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PROCESS(test_sd_process, "SD test");
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AUTOSTART_PROCESSES(&test_sd_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(test_sd_process, ev, data)
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{
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static char buf[BLOCK_SIZE];
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#if CALM_MODE
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static struct etimer et;
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#endif
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static int r;
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static unsigned long iter;
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static uint32_t offset;
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PROCESS_BEGIN();
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printf("starting the SD test\n");
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while(1) {
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printf("\n\nIteration %lu\n", ++iter);
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sprintf(buf, "Testing the SD memory #%lu.", iter);
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#if CALM_MODE
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etimer_set(&et, CLOCK_SECOND);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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#else
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PROCESS_PAUSE();
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#endif
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offset = BLOCK_SIZE;
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#if ALTER_OFFSET
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offset *= (random_rand() & 0xff);
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#endif
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r = sd_write_block(offset, &buf);
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if(r != SD_WRITE_SUCCESS) {
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printf("writing failed: %d\n", r);
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}
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memset(buf, 0, sizeof (buf));
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r = sd_read_block(&buf, offset);
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if(r > 0) {
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printf("Read %d bytes\n", r);
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buf[sizeof(buf) - 1] = '\0';
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printf("Contents of the buffer: %s\n", buf);
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} else {
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printf("reading failed\n");
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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