nes-proj/examples/platform-specific/jn516x/dr1175-sensors/node.c

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2015-09-21 09:00:32 +00:00
/*
* Copyright (c) 2015, SICS Swedish ICT.
* 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.
*
*/
/**
* \author Atis Elsts <atis.elsts@sics.se>
* \file
* Sensor test for DR1175 evaluation board (light + temp/humidity).
*/
#include "contiki.h"
#include "light-sensor.h"
#include "ht-sensor.h"
#include "leds.h"
#include "leds-extension.h"
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/*---------------------------------------------------------------------------*/
PROCESS(test_process, "Sensor test process");
AUTOSTART_PROCESSES(&test_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(test_process, ev, data)
{
static struct etimer et;
static uint8_t led_status;
uint8_t r, g, b;
int val;
PROCESS_BEGIN();
puts("initializing sensors...");
/* Make sensor active for measuring */
SENSORS_ACTIVATE(light_sensor);
SENSORS_ACTIVATE(ht_sensor);
/* Set level for LEDSs */
leds_set_level(255, LEDS_RED | LEDS_GREEN | LEDS_BLUE | LEDS_WHITE);
while(1) {
etimer_set(&et, CLOCK_SECOND * 1);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
puts("reading sensors...");
val = ht_sensor.value(HT_SENSOR_HUM);
printf("humidity: %d\n", val);
val = ht_sensor.value(HT_SENSOR_TEMP);
printf("temperature: %d\n", val);
led_status++;
r = ((led_status & 0x1) ? LEDS_RED : 0);
g = ((led_status & 0x2) ? LEDS_GREEN : 0);
b = ((led_status & 0x4) ? LEDS_BLUE : 0);
leds_toggle((leds_get() ^ (r | g | b)) | LEDS_WHITE);
puts("");
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/