contiki/examples/sky/test-cfs.c

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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: test-cfs.c,v 1.4 2009/05/26 13:48:32 nvt-se Exp $
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*/
/**
* \file
* A quick program for testing the CFS xmem driver
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "cfs/cfs.h"
#include <stdio.h>
PROCESS(cfs_process, "Test CFS process");
AUTOSTART_PROCESSES(&cfs_process);
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/*---------------------------------------------------------------------------*/
PROCESS_THREAD(cfs_process, ev, data)
{
PROCESS_BEGIN();
{
int i, j, fd;
int errors = 0;
uint16_t filesize = 65000;
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#define CHUNKSIZE 128
fd = cfs_open("hej", CFS_WRITE);
if(fd < 0) {
printf("could not open file for writing, aborting\n");
} else {
unsigned char buf[CHUNKSIZE];
for(i = 0; i < filesize; i += CHUNKSIZE) {
for(j = 0; j < CHUNKSIZE; ++j) {
buf[j] = i + j;
}
cfs_write(fd, buf, CHUNKSIZE);
}
cfs_close(fd);
}
fd = cfs_open("hej", CFS_READ);
if(fd < 0) {
printf("could not open file for reading, aborting\n");
} else {
for(i = 0; i < filesize; ++i) {
unsigned char buf;
cfs_read(fd, &buf, 1);
if(buf != (i & 0xff)) {
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errors++;
printf("error: diff at %d, %d != %d\n", i, i & 0xff, buf);
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}
}
}
printf("CFS xmem test 1 completed with %d errors\n", errors);
cfs_remove("hej");
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fd = cfs_open("hej", CFS_WRITE);
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if(fd < 0) {
printf("could not open file for writing, aborting\n");
} else {
unsigned char buf[CHUNKSIZE];
for(i = 0; i < filesize; i += CHUNKSIZE) {
for(j = 0; j < CHUNKSIZE; ++j) {
buf[j] = i + j + 1;
}
cfs_write(fd, buf, CHUNKSIZE);
}
cfs_close(fd);
}
fd = cfs_open("hej", CFS_READ);
if(fd < 0) {
printf("could not open file for reading, aborting\n");
} else {
for(i = 0; i < filesize; ++i) {
unsigned char buf;
cfs_read(fd, &buf, 1);
if(buf != ((i + 1) & 0xff)) {
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errors++;
printf("error: diff at %d, %d != %d\n", i, (i + 1) & 0xff, buf);
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}
}
}
printf("CFS xmem test 2 completed with %d errors\n", errors);
}
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PROCESS_END();
}
/*---------------------------------------------------------------------------*/