94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*
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* Copyright (c) 2009, 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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*/
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/**
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* \file
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* Test for an SD driver.
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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.h"
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#include "lib/random.h"
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#include <stdio.h>
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#include <string.h>
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PROCESS(sd_test, "SD test process");
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AUTOSTART_PROCESSES(&sd_test);
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#define BUF_SIZE 64
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PROCESS_THREAD(sd_test, event, data)
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{
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static unsigned long iter;
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static unsigned long offset;
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char buf[BUF_SIZE];
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static struct etimer et;
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int r, buflen;
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PROCESS_BEGIN();
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etimer_set(&et, CLOCK_SECOND / 16);
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offset = 0;
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for(iter = 1;; iter++) {
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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memset(buf, 0, sizeof(buf));
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buflen = sprintf(buf, "(%ld) Testing the SD card (%ld)", iter, iter);
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if((iter & 7) == 0) {
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offset = random_rand() & 0xffff;
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} else {
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offset += random_rand() & 0xff;
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}
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r = sd_write(offset, buf, buflen + 1);
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if(r > 0) {
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memset(buf, 0, sizeof(buf));
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r = sd_read(offset, buf, buflen + 1);
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if(r > 0) {
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printf("read %s (offset %lu)\n", buf, offset);
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} else {
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printf("read error: %d (%s)\n", r, sd_error_string(r));
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}
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} else {
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printf("write error: %d (%s)\n", r, sd_error_string(r));
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}
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etimer_restart(&et);
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}
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PROCESS_END();
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}
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