Web server example showing light and temperature sensor data
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14
examples/ipv6/sky-websense/Makefile
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examples/ipv6/sky-websense/Makefile
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all: sky-websense
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CONTIKI=../../..
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WITH_UIP6=1
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UIP_CONF_IPV6=1
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APPS += webserver
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CFLAGS += -DPROJECT_CONF_H=\"project-rpl-web-conf.h\"
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PROJECTDIRS += ../rpl-border-router
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PROJECT_SOURCEFILES += httpd-simple.c
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include $(CONTIKI)/Makefile.include
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examples/ipv6/sky-websense/Makefile.target
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examples/ipv6/sky-websense/Makefile.target
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TARGET = sky
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examples/ipv6/sky-websense/project-rpl-web-conf.h
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examples/ipv6/sky-websense/project-rpl-web-conf.h
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/*
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* Copyright (c) 2010, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: project-rpl-web-conf.h,v 1.1 2010/05/09 12:56:48 nifi Exp $
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*/
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#ifndef __PROJECT_RPL_WEB_CONF_H__
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#define __PROJECT_RPL_WEB_CONF_H__
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#undef QUEUEBUF_CONF_NUM
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#define QUEUEBUF_CONF_NUM 6
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#undef UIP_CONF_BUFFER_SIZE
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#define UIP_CONF_BUFFER_SIZE 140
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#undef UIP_CONF_RECEIVE_WINDOW
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#define UIP_CONF_RECEIVE_WINDOW 60
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#undef WEBSERVER_CONF_CFS_CONNS
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#define WEBSERVER_CONF_CFS_CONNS 2
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#endif /* __PROJECT_RPL_WEB_CONF_H__ */
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examples/ipv6/sky-websense/sky-websense.c
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examples/ipv6/sky-websense/sky-websense.c
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/*
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* Copyright (c) 2010, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: sky-websense.c,v 1.1 2010/05/09 12:56:48 nifi Exp $
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*/
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/**
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* \file
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* Light and temperatur sensor web demo
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* \author
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* Niclas Finne <nfi@sics.se>
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* Joakim Eriksson <joakime@sics.se>
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* Joel Hoglund <joel@sics.se>
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*/
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#include "contiki.h"
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#include "httpd-simple.h"
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#include "webserver-nogui.h"
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#include "dev/sht11-sensor.h"
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#include "dev/light-sensor.h"
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#include "dev/leds.h"
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#include <stdio.h>
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PROCESS(web_sense_process, "Sense Web Demo");
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AUTOSTART_PROCESSES(&web_sense_process);
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#define HISTORY 16
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static int temperature[HISTORY];
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static int light1[HISTORY];
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static int sensors_pos;
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/*---------------------------------------------------------------------------*/
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static const char *TOP = "<html><head><title>Contiki Web Sense</title></head><body>\n";
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static const char *BOTTOM = "</body></html>\n";
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/*---------------------------------------------------------------------------*/
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/* Only one single request at time */
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static char buf[256];
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static int blen;
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#define ADD(...) do { \
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blen += snprintf(&buf[blen], sizeof(buf) - blen, __VA_ARGS__); \
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} while(0)
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static void
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generate_chart(const char *title, const char *unit, int min, int max, int *values)
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{
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int i;
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blen = 0;
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ADD("<h1>%s</h1>\n"
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"<img src=\"http://chart.apis.google.com/chart?"
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"cht=lc&chs=400x300&chxt=x,x,y,y&chxp=1,50|3,50&"
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"chxr=2,%d,%d|0,0,30&chds=%d,%d&chxl=1:|Time|3:|%s&chd=t:",
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title, min, max, min, max, unit);
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for(i = 0; i < HISTORY; i++) {
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ADD("%s%d", i > 0 ? "," : "", values[(sensors_pos + i) % HISTORY]);
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}
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ADD("\">");
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}
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static
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PT_THREAD(send_values(struct httpd_state *s))
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{
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PSOCK_BEGIN(&s->sout);
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SEND_STRING(&s->sout, TOP);
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if(s->filename[1] == 'l' || s->filename[1] != 't') {
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generate_chart("Light", "Light", 0, 500, light1);
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SEND_STRING(&s->sout, buf);
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}
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if(s->filename[1] == 't' || s->filename[1] != 'l') {
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generate_chart("Temperature", "Celsius", 15, 50, temperature);
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SEND_STRING(&s->sout, buf);
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}
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SEND_STRING(&s->sout, BOTTOM);
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PSOCK_END(&s->sout);
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}
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/*---------------------------------------------------------------------------*/
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httpd_simple_script_t
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httpd_simple_get_script(const char *name)
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{
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return send_values;
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(web_sense_process, ev, data)
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{
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static struct etimer timer;
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PROCESS_BEGIN();
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sensors_pos = 0;
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process_start(&webserver_nogui_process, NULL);
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etimer_set(&timer, CLOCK_SECOND * 2);
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SENSORS_ACTIVATE(light_sensor);
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SENSORS_ACTIVATE(sht11_sensor);
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while(1) {
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&timer));
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etimer_reset(&timer);
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light1[sensors_pos] = 10 * light_sensor.value(LIGHT_SENSOR_PHOTOSYNTHETIC) / 7;
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temperature[sensors_pos] = ((sht11_sensor.value(SHT11_SENSOR_TEMP) / 10) - 396) / 10;
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;
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sensors_pos = (sensors_pos + 1) % HISTORY;
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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