nes-proj/examples/rime/example-rudolph2.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.
*
*/
/**
* \file
* Testing the rudolph2 code in Rime
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
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#include "net/rime/rime.h"
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#include "net/rime/rudolph2.h"
#include "dev/button-sensor.h"
#include "dev/leds.h"
#include "cfs/cfs.h"
#include <stdio.h>
#if CONTIKI_TARGET_NETSIM
#include "ether.h"
#include "node.h"
#endif /* CONTIKI_TARGET_NETSIM */
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#define FILESIZE 2000
/*---------------------------------------------------------------------------*/
PROCESS(example_rudolph2_process, "Rudolph2 example");
AUTOSTART_PROCESSES(&example_rudolph2_process);
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/*---------------------------------------------------------------------------*/
static void
write_chunk(struct rudolph2_conn *c, int offset, int flag,
uint8_t *data, int datalen)
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{
int fd;
#if CONTIKI_TARGET_NETSIM
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{
char buf[100];
sprintf(buf, "%d%%", (100 * (offset + datalen)) / FILESIZE);
ether_set_text(buf);
}
#endif /* CONTIKI_TARGET_NETSIM */
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if(flag == RUDOLPH2_FLAG_NEWFILE) {
printf("+++ rudolph2 new file incoming at %lu\n", clock_time());
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leds_on(LEDS_RED);
fd = cfs_open("codeprop.out", CFS_WRITE);
} else {
fd = cfs_open("codeprop.out", CFS_WRITE + CFS_APPEND);
}
if(datalen > 0) {
cfs_seek(fd, offset, CFS_SEEK_SET);
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cfs_write(fd, data, datalen);
printf("+++ rudolph2 offset %d, length %d\n", offset, datalen);
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}
cfs_close(fd);
if(flag == RUDOLPH2_FLAG_LASTCHUNK) {
int i;
printf("+++ rudolph2 entire file received at %d, %d\n",
linkaddr_node_addr.u8[0], linkaddr_node_addr.u8[1]);
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leds_off(LEDS_RED);
leds_on(LEDS_YELLOW);
fd = cfs_open("hej", CFS_READ);
for(i = 0; i < FILESIZE; ++i) {
unsigned char buf;
int r = cfs_read(fd, &buf, 1);
if (r != 1) {
printf("%d.%d: error: read failed at %d\n",
linkaddr_node_addr.u8[0], linkaddr_node_addr.u8[1],
i);
break;
}
else if(buf != (unsigned char)i) {
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printf("%d.%d: error: diff at %d, %d != %d\n",
linkaddr_node_addr.u8[0], linkaddr_node_addr.u8[1],
i, (unsigned char)i, buf);
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break;
}
}
#if CONTIKI_TARGET_NETSIM
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ether_send_done();
#endif
cfs_close(fd);
}
}
static int
read_chunk(struct rudolph2_conn *c, int offset, uint8_t *to, int maxsize)
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{
int fd;
int ret;
fd = cfs_open("hej", CFS_READ);
cfs_seek(fd, offset, CFS_SEEK_SET);
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ret = cfs_read(fd, to, maxsize);
/* printf("%d.%d: read_chunk %d bytes at %d, %d\n",
linkaddr_node_addr.u8[0], linkaddr_node_addr.u8[1],
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ret, offset, (unsigned char)to[0]);*/
cfs_close(fd);
return ret;
}
const static struct rudolph2_callbacks rudolph2_call = {write_chunk,
read_chunk};
static struct rudolph2_conn rudolph2;
/*---------------------------------------------------------------------------*/
#include "sys/node-id.h"
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PROCESS_THREAD(example_rudolph2_process, ev, data)
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{
static int fd;
PROCESS_EXITHANDLER(rudolph2_close(&rudolph2);)
PROCESS_BEGIN();
PROCESS_PAUSE();
rudolph2_open(&rudolph2, 142, &rudolph2_call);
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SENSORS_ACTIVATE(button_sensor);
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PROCESS_PAUSE();
if(linkaddr_node_addr.u8[0] == 1 &&
linkaddr_node_addr.u8[1] == 0) {
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{
int i;
printf("%d.%d: selected data source\n",
linkaddr_node_addr.u8[0], linkaddr_node_addr.u8[1]);
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fd = cfs_open("hej", CFS_WRITE);
for(i = 0; i < FILESIZE; i++) {
unsigned char buf = i;
int w = cfs_write(fd, &buf, 1);
if (w != 1) {
printf("%d.%d: error: write failed at %d\n",
linkaddr_node_addr.u8[0], linkaddr_node_addr.u8[1],
i);
break;
}
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}
cfs_close(fd);
}
rudolph2_send(&rudolph2, CLOCK_SECOND * 2);
#if CONTIKI_TARGET_NETSIM
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ether_send_done();
#endif /* CONTIKI_TARGET_NETSIM */
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}
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event &&
data == &button_sensor);
rudolph2_stop(&rudolph2);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/