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74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
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/*
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* Copyright (c) 2010, STMicroelectronics.
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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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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* A very simple Contiki application showing how to use the temperature
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* sensor.
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* \author
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* Salvatore Pitrulli <salvopitru@users.sourceforge.net>
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*
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*/
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#include "contiki.h"
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#include "dev/temperature-sensor.h"
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#include <stdio.h> /* For printf() */
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/*---------------------------------------------------------------------------*/
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PROCESS(temp_process, "Temperature process");
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AUTOSTART_PROCESSES(&temp_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(temp_process, ev, data)
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{
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static struct etimer etimer;
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PROCESS_BEGIN();
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printf("Starting measuring temperature\r\n");
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while(1) {
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etimer_set(&etimer, CLOCK_SECOND);
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PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
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unsigned int temp = temperature_sensor.value(0);
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printf("Temp: %d.%d <20>C \r",temp/10,temp-(temp/10)*10);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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