77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
/*
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* Copyright (c) 2005-2010, 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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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: light-sensor.c,v 1.7 2010/08/25 19:30:53 nifi Exp $
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*/
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#include "contiki.h"
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#include "lib/sensors.h"
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#include "dev/sky-sensors.h"
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#include "dev/light-sensor.h"
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/* Photodiode 1 (P64) on INCH_4 */
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/* Photodiode 2 (P65) on INCH_5 */
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#define INPUT_CHANNEL ((1 << INCH_4) | (1 << INCH_5))
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#define INPUT_REFERENCE SREF_0
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#define PHOTOSYNTHETIC_MEM ADC12MEM4
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#define TOTAL_SOLAR_MEM ADC12MEM5
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const struct sensors_sensor light_sensor;
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/*---------------------------------------------------------------------------*/
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static int
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value(int type)
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{
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switch(type) {
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/* Photosynthetically Active Radiation. */
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case LIGHT_SENSOR_PHOTOSYNTHETIC:
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return PHOTOSYNTHETIC_MEM;
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/* Total Solar Radiation. */
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case LIGHT_SENSOR_TOTAL_SOLAR:
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return TOTAL_SOLAR_MEM;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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status(int type)
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{
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return sky_sensors_status(INPUT_CHANNEL, type);
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}
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/*---------------------------------------------------------------------------*/
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static int
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configure(int type, int c)
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{
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return sky_sensors_configure(INPUT_CHANNEL, INPUT_REFERENCE, type, c);
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}
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/*---------------------------------------------------------------------------*/
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SENSORS_SENSOR(light_sensor, "Light", value, configure, status);
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