69 lines
2.8 KiB
C
69 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 2011, Zolertia(TM) is a trademark of Advancare,SL
|
|
* 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 SHT11 sensor on the Zolertia Z1 Platform.
|
|
* \author
|
|
* Nicolas Tsiftes <nvt@sics.se>
|
|
* Enric M. Calvo <ecalvo@zolertia.com>
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
#include "contiki.h"
|
|
#include "dev/sht11/sht11.h"
|
|
|
|
#include <stdio.h>
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(test_sht11_process, "SHT11 test");
|
|
AUTOSTART_PROCESSES(&test_sht11_process);
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(test_sht11_process, ev, data)
|
|
{
|
|
static struct etimer et;
|
|
static unsigned rh;
|
|
|
|
PROCESS_BEGIN();
|
|
sht11_init();
|
|
|
|
for(etimer_set(&et, CLOCK_SECOND);; etimer_reset(&et)) {
|
|
PROCESS_YIELD();
|
|
printf("Temperature: %u degrees Celsius\n",
|
|
(unsigned)(-39.60 + 0.01 * sht11_temp()));
|
|
rh = sht11_humidity();
|
|
printf("Rel. humidity: %u%%\n",
|
|
(unsigned)(-4 + 0.0405 * rh - 2.8e-6 * (rh * rh)));
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|