mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-16 07:28:57 +00:00
96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $Id: sd-test.c,v 1.8 2009/11/11 14:59:34 nvt-se Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Test for an SD driver.
|
|
* \author
|
|
* Nicolas Tsiftes <nvt@sics.se>
|
|
*/
|
|
|
|
|
|
#include "contiki.h"
|
|
#include "dev/sd.h"
|
|
#include "lib/random.h"
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
PROCESS(sd_test, "SD test process");
|
|
AUTOSTART_PROCESSES(&sd_test);
|
|
|
|
#define BUF_SIZE 64
|
|
|
|
PROCESS_THREAD(sd_test, event, data)
|
|
{
|
|
static unsigned long iter;
|
|
static unsigned long offset;
|
|
char buf[BUF_SIZE];
|
|
static struct etimer et;
|
|
int r, buflen;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
etimer_set(&et, CLOCK_SECOND / 16);
|
|
|
|
offset = 0;
|
|
for(iter = 1;; iter++) {
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
buflen = sprintf(buf, "(%ld) Testing the SD card (%ld)", iter, iter);
|
|
|
|
if((iter & 7) == 0) {
|
|
offset = random_rand() & 0xffff;
|
|
} else {
|
|
offset += random_rand() & 0xff;
|
|
}
|
|
|
|
r = sd_write(offset, buf, buflen + 1);
|
|
if(r > 0) {
|
|
memset(buf, 0, sizeof(buf));
|
|
r = sd_read(offset, buf, buflen + 1);
|
|
if(r > 0) {
|
|
printf("read %s (offset %lu)\n", buf, offset);
|
|
} else {
|
|
printf("read error: %d (%s)\n", r, sd_error_string(r));
|
|
}
|
|
} else {
|
|
printf("write error: %d (%s)\n", r, sd_error_string(r));
|
|
}
|
|
etimer_restart(&et);
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|