nes-proj/examples/rime/test-rudolph1.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-rudolph1.c,v 1.3 2007/03/25 12:10:29 adamdunkels Exp $
*/
/**
* \file
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* Testing the rudolph1 code in Rime
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "net/rime/rudolph1.h"
#include "dev/button-sensor.h"
#include "dev/leds.h"
#include "cfs/cfs-ram.h"
#include <stdio.h>
/*---------------------------------------------------------------------------*/
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PROCESS(test_rudolph1_process, "Rudolph1 test");
AUTOSTART_PROCESSES(&test_rudolph1_process);
/*---------------------------------------------------------------------------*/
static void
write_chunk(struct rudolph1_conn *c, int offset, int flag,
char *data, int datalen)
{
int fd;
if(flag == RUDOLPH1_FLAG_NEWFILE) {
printf("+++ rudolph1 new file incoming at %lu\n", clock_time());
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 == RUDOLPH1_FLAG_LASTCHUNK) {
int i;
printf("+++ rudolph1 entire file received at %lu\n", clock_time());
fd = cfs_open("hej", CFS_READ);
for(i = 0; i < 200; ++i) {
unsigned char buf;
cfs_read(fd, &buf, 1);
if(buf != i) {
printf("error: diff at %d, %d != %d\n", i, i, buf);
break;
}
}
cfs_close(fd);
}
}
static int
read_chunk(struct rudolph1_conn *c, int offset, char *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]);
cfs_close(fd);
return ret;
}
const static struct rudolph1_callbacks rudolph1_call = {write_chunk,
read_chunk};
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static struct rudolph1_conn rudolph1;
/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(test_rudolph1_process, ev, data)
{
static int fd;
PROCESS_EXITHANDLER(rudolph1_close(&rudolph1);)
PROCESS_BEGIN();
PROCESS_PAUSE();
{
int i;
fd = cfs_open("hej", CFS_WRITE);
for(i = 0; i < 200; i++) {
unsigned char buf = i;
cfs_write(fd, &buf, 1);
}
cfs_close(fd);
}
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rudolph1_open(&rudolph1, 128, &rudolph1_call);
button_sensor.activate();
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event &&
data == &button_sensor);
rudolph1_send(&rudolph1);
PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event &&
data == &button_sensor);
rudolph1_stop(&rudolph1);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/