osd-contiki/examples/rime/test-rudolph0.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-rudolph0.c,v 1.6 2007/11/17 18:09:56 adamdunkels Exp $
*/
/**
* \file
* Testing the rudolph0 code in Rime
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "cfs/cfs.h"
#include "net/rime/rudolph0.h"
#include "dev/button-sensor.h"
#include "dev/leds.h"
#include <stdio.h>
#define FILESIZE 200
/*---------------------------------------------------------------------------*/
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PROCESS(test_rudolph0_process, "Rudolph0 test");
AUTOSTART_PROCESSES(&test_rudolph0_process);
/*---------------------------------------------------------------------------*/
static void
write_chunk(struct rudolph0_conn *c, int offset, int flag,
uint8_t *data, int datalen)
{
int fd;
if(flag == RUDOLPH0_FLAG_NEWFILE) {
/* printf("+++ rudolph0 new file incoming at %lu\n", clock_time());*/
leds_on(LEDS_RED);
fd = cfs_open("codeprop.out", CFS_WRITE);
} else {
fd = cfs_open("codeprop.out", CFS_WRITE + CFS_APPEND);
}
if(datalen > 0) {
int ret;
cfs_seek(fd, offset);
ret = cfs_write(fd, data, datalen);
/* printf("write_chunk wrote %d bytes at %d, %d\n", ret, offset, (unsigned char)data[0]);*/
}
cfs_close(fd);
if(flag == RUDOLPH0_FLAG_LASTCHUNK) {
int i;
/* printf("+++ rudolph0 entire file received at %lu\n", clock_time());*/
leds_off(LEDS_RED);
leds_on(LEDS_YELLOW);
fd = cfs_open("hej", CFS_READ);
for(i = 0; i < FILESIZE; ++i) {
unsigned char buf;
cfs_read(fd, &buf, 1);
if(buf != (unsigned char)i) {
printf("error: diff at %d, %d != %d\n", i, i, buf);
break;
}
}
cfs_close(fd);
}
}
static int
read_chunk(struct rudolph0_conn *c, int offset, uint8_t *to, int maxsize)
{
int fd;
int ret;
fd = cfs_open("hej", CFS_READ);
cfs_seek(fd, offset);
ret = cfs_read(fd, to, maxsize);
/* printf("read_chunk %d bytes at %d, %d\n", ret, offset, (unsigned char)to[0]);*/
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cfs_close(fd);
return ret;
}
const static struct rudolph0_callbacks rudolph0_call = {write_chunk,
read_chunk};
static struct rudolph0_conn rudolph0;
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(test_rudolph0_process, ev, data)
{
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static int fd;
PROCESS_EXITHANDLER(rudolph0_close(&rudolph0);)
PROCESS_BEGIN();
PROCESS_PAUSE();
rudolph0_open(&rudolph0, 128, &rudolph0_call);
button_sensor.activate();
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event &&
data == &button_sensor);
{
int i;
fd = cfs_open("hej", CFS_WRITE);
for(i = 0; i < FILESIZE; i++) {
unsigned char buf = i;
cfs_write(fd, &buf, 1);
}
cfs_close(fd);
}
rudolph0_send(&rudolph0, CLOCK_SECOND / 4);
PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event &&
data == &button_sensor);
rudolph0_stop(&rudolph0);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/