68 lines
2.8 KiB
C
68 lines
2.8 KiB
C
/*
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* Copyright (c) 2011 Zolertia(TM) is a trademark by Advancare,SL
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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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*
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* -----------------------------------------------------------------
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*
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* Author : Enric M. Calvo (based on work by A. Dunkels, J. Eriksson, N. Finne)
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* Created : 2011-02-22
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* $Revision: 1.0 $
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*/
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#include "dev/potentiometer-sensor.h"
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#include "dev/sky-sensors.h"
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#include <io.h>
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/* Configure ADC12_2 to sample channel 11 (voltage) and use */
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/* the Vref+ as reference (SREF_1) since it is a stable reference */
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#define INPUT_CHANNEL (1 << INCH_4)
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#define INPUT_REFERENCE SREF_0
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#define POTENTIOMETER_MEM ADC12MEM4
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const struct sensors_sensor battery_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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return POTENTIOMETER_MEM;
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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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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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SENSORS_SENSOR(potentiometer_sensor, POTENTIOMETER_SENSOR, value, configure, status);
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