Contiki 2.6
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00001 /* 00002 * Copyright (c) 2006, Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * $Id: testcfs.c,v 1.3 2009/03/02 09:44:07 fros4943 Exp $ 00030 */ 00031 00032 #include "contiki.h" 00033 #include "sys/etimer.h" 00034 #include "sys/clock.h" 00035 #include "cfs/cfs.h" 00036 00037 #include <stdio.h> 00038 00039 PROCESS(test_cfs_process, "Test CFS process"); 00040 AUTOSTART_PROCESSES(&test_cfs_process); 00041 00042 PROCESS_THREAD(test_cfs_process, ev, data) 00043 { 00044 static struct etimer et; 00045 static int fd; 00046 static uint16_t counter; 00047 static char buf[30]; 00048 00049 PROCESS_BEGIN(); 00050 00051 printf("Starting CFS test process\n"); 00052 00053 while(1) { 00054 etimer_set(&et, CLOCK_SECOND); 00055 PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et)); 00056 00057 /* Write to filesystem */ 00058 sprintf(buf, "filedata%04ifiledata%04i", counter, counter); 00059 fd = cfs_open("filename", CFS_READ | CFS_WRITE); 00060 cfs_seek(fd, 0, CFS_SEEK_SET); 00061 cfs_write(fd, buf, 24); 00062 cfs_close(fd); 00063 printf("Wrote to filesystem: '%s'\n", buf); 00064 counter++; 00065 00066 etimer_set(&et, CLOCK_SECOND); 00067 PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et)); 00068 00069 /* Read from filesystem */ 00070 fd = cfs_open("file1", CFS_READ | CFS_WRITE); 00071 cfs_seek(fd, 4, CFS_SEEK_SET); 00072 cfs_read(fd, buf, 12); 00073 cfs_close(fd); 00074 buf[12] = '\0'; 00075 printf("Read from filesystem: '%s'\n", buf); 00076 00077 } 00078 00079 PROCESS_END(); 00080 }