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Web server example showing light and temperature sensor data

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nifi 2010-05-09 12:56:48 +00:00
parent 8c49cf26e5
commit 9bb168040c
4 changed files with 196 additions and 0 deletions
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14
examples/ipv6/sky-websense/Makefile Normal file
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all: sky-websense
CONTIKI=../../..
WITH_UIP6=1
UIP_CONF_IPV6=1
APPS += webserver
CFLAGS += -DPROJECT_CONF_H=\"project-rpl-web-conf.h\"
PROJECTDIRS += ../rpl-border-router
PROJECT_SOURCEFILES += httpd-simple.c
include $(CONTIKI)/Makefile.include

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examples/ipv6/sky-websense/Makefile.target Normal file
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TARGET = sky

47
examples/ipv6/sky-websense/project-rpl-web-conf.h Normal file
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/*
* Copyright (c) 2010, 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.
*
* $Id: project-rpl-web-conf.h,v 1.1 2010/05/09 12:56:48 nifi Exp $
*/
#ifndef __PROJECT_RPL_WEB_CONF_H__
#define __PROJECT_RPL_WEB_CONF_H__
#undef QUEUEBUF_CONF_NUM
#define QUEUEBUF_CONF_NUM 6
#undef UIP_CONF_BUFFER_SIZE
#define UIP_CONF_BUFFER_SIZE 140
#undef UIP_CONF_RECEIVE_WINDOW
#define UIP_CONF_RECEIVE_WINDOW 60
#undef WEBSERVER_CONF_CFS_CONNS
#define WEBSERVER_CONF_CFS_CONNS 2
#endif /* __PROJECT_RPL_WEB_CONF_H__ */

134
examples/ipv6/sky-websense/sky-websense.c Normal file
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/*
* Copyright (c) 2010, 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.
*
* $Id: sky-websense.c,v 1.1 2010/05/09 12:56:48 nifi Exp $
*/
/**
* \file
* Light and temperatur sensor web demo
* \author
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
* Joel Hoglund <joel@sics.se>
*/
#include "contiki.h"
#include "httpd-simple.h"
#include "webserver-nogui.h"
#include "dev/sht11-sensor.h"
#include "dev/light-sensor.h"
#include "dev/leds.h"
#include <stdio.h>
PROCESS(web_sense_process, "Sense Web Demo");
AUTOSTART_PROCESSES(&web_sense_process);
#define HISTORY 16
static int temperature[HISTORY];
static int light1[HISTORY];
static int sensors_pos;
/*---------------------------------------------------------------------------*/
static const char *TOP = "<html><head><title>Contiki Web Sense</title></head><body>\n";
static const char *BOTTOM = "</body></html>\n";
/*---------------------------------------------------------------------------*/
/* Only one single request at time */
static char buf[256];
static int blen;
#define ADD(...) do { \
blen += snprintf(&buf[blen], sizeof(buf) - blen, __VA_ARGS__); \
} while(0)
static void
generate_chart(const char *title, const char *unit, int min, int max, int *values)
{
int i;
blen = 0;
ADD("<h1>%s</h1>\n"
"<img src=\"http://chart.apis.google.com/chart?"
"cht=lc&chs=400x300&chxt=x,x,y,y&chxp=1,50|3,50&"
"chxr=2,%d,%d|0,0,30&chds=%d,%d&chxl=1:|Time|3:|%s&chd=t:",
title, min, max, min, max, unit);
for(i = 0; i < HISTORY; i++) {
ADD("%s%d", i > 0 ? "," : "", values[(sensors_pos + i) % HISTORY]);
}
ADD("\">");
}
static
PT_THREAD(send_values(struct httpd_state *s))
{
PSOCK_BEGIN(&s->sout);
SEND_STRING(&s->sout, TOP);
if(s->filename[1] == 'l' || s->filename[1] != 't') {
generate_chart("Light", "Light", 0, 500, light1);
SEND_STRING(&s->sout, buf);
}
if(s->filename[1] == 't' || s->filename[1] != 'l') {
generate_chart("Temperature", "Celsius", 15, 50, temperature);
SEND_STRING(&s->sout, buf);
}
SEND_STRING(&s->sout, BOTTOM);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
httpd_simple_script_t
httpd_simple_get_script(const char *name)
{
return send_values;
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(web_sense_process, ev, data)
{
static struct etimer timer;
PROCESS_BEGIN();
sensors_pos = 0;
process_start(&webserver_nogui_process, NULL);
etimer_set(&timer, CLOCK_SECOND * 2);
SENSORS_ACTIVATE(light_sensor);
SENSORS_ACTIVATE(sht11_sensor);
while(1) {
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&timer));
etimer_reset(&timer);
light1[sensors_pos] = 10 * light_sensor.value(LIGHT_SENSOR_PHOTOSYNTHETIC) / 7;
temperature[sensors_pos] = ((sht11_sensor.value(SHT11_SENSOR_TEMP) / 10) - 396) / 10;
;
sensors_pos = (sensors_pos + 1) % HISTORY;
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/