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ext-sensor: new driver for external sensors (e.g. Phidgets) on the Sentilla JCreate, developed by Marcus Lunden
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adamdunkels
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# $Id: Makefile.sky,v 1.26 2009/06/26 12:00:49 joxe Exp $
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# $Id: Makefile.sky,v 1.27 2009/08/25 16:24:49 adamdunkels Exp $
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ARCH=msp430.c leds.c watchdog.c light.c spi.c ds2411.c \
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xmem.c i2c.c sht11.c battery-sensor.c acc-sensor.c \
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xmem.c i2c.c sht11.c battery-sensor.c acc-sensor.c ext-sensor.c \
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cc2420.c cc2420-aes.c cc2420-arch.c irq.c \
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node-id.c sensors.c button-sensor.c cfs-coffee.c \
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radio-sensor.c uart1.c uip-ipchksum.c \
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149
platform/sky/dev/ext-sensor.c
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149
platform/sky/dev/ext-sensor.c
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/*
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* Copyright (c) 2006, 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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* $Id: ext-sensor.c,v 1.1 2009/08/25 16:24:49 adamdunkels Exp $
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*
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* -----------------------------------------------------------------
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*
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* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne, Marcus Lundén
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* Created : 2005-11-01
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* Updated : $Date: 2009/08/25 16:24:49 $
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* $Revision: 1.1 $
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*/
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#include "dev/ext-sensor.h"
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#include <io.h>
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#include "dev/irq.h"
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#include <stdio.h>
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const struct sensors_sensor ext_sensor;
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/*---------------------------------------------------------------------------*/
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static void
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init(void)
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{
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}
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/*---------------------------------------------------------------------------*/
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static int
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irq(void)
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{
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static void
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activate(void)
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{
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/* This assumes that some other sensor system already did setup the ADC */
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/* (in the case of the JCreate platform it is sensors_light_init before */
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/* acc.meter that does it) */
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/* P6.0 and P6.1 are inputs and peripheral function (A0, A1) selected */
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/* P6SEL |= (1<<P6.0)|(1<<P6.1);*/
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P6SEL |= 0x03;
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P6DIR = 0x00;
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P6OUT = 0x00;
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/* stop converting immediately in order to be able to write to registers */
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ADC12CTL0 &= ~ENC;
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ADC12CTL1 &= ~CONSEQ_3;
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/* Make sure that previous ADCMEM isn't EOS */
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ADC12MCTL5 &= ~(EOS);
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/* We want full voltage range, therefore +ref=Vcc and -ref=GND */
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/* MemReg6 == P6.0/A0 == port "under" logo */
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ADC12MCTL6 = (INCH_0 | SREF_0);
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/* MemReg7 == P6.1/A1 == port "over" logo , End Of (ADC-)Sequence */
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ADC12MCTL7 = (INCH_1 | SREF_0 | EOS);
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/* Start ADC again */
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ADC12CTL1 |= CONSEQ_3;
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ADC12CTL0 |= ENC | ADC12SC;
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/* Irq_adc12_activate(&ext_sensor, 6, (INCH_11 + SREF_1)); */
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}
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/*---------------------------------------------------------------------------*/
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static void
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deactivate(void)
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{
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/* stop converting immediately in order to be able to write to registers */
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ADC12CTL0 &= ~ENC;
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ADC12CTL1 &= ~CONSEQ_3;
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/* Prev ADCMEM == EOS */
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ADC12MCTL5 |= EOS;
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/* Start ADC again */
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ADC12CTL1 |= CONSEQ_3;
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ADC12CTL0 |= ENC | ADC12SC;
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/* irq_adc12_deactivate(&ext_sensor, 6);
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ext_value = 0;*/
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}
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/*---------------------------------------------------------------------------*/
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static int
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active(void)
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{
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/* If previous ADCmem (5) has not EOS set, then extension ports are active */
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if ((ADC12MCTL5&&EOS) == 0)
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{
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return 1;
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}
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else return (0); /* irq_adc12_active(6);*/
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}
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/*---------------------------------------------------------------------------*/
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static unsigned int
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value(int type)
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{
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/* value(0) corresponds to the port under the logo, value(1) to the port over the logo */
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switch(type) {
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case 0:
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return ADC12MEM6;
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case 1:
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return ADC12MEM7;
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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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configure(int type, void *c)
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{
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static void *
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status(int type)
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{
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return NULL;
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}
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/*---------------------------------------------------------------------------*/
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SENSORS_SENSOR(ext_sensor, EXT_SENSOR,
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init, irq, activate, deactivate, active,
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value, configure, status);
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48
platform/sky/dev/ext-sensor.h
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48
platform/sky/dev/ext-sensor.h
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@ -0,0 +1,48 @@
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/*
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* Copyright (c) 2006, 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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* $Id: ext-sensor.h,v 1.1 2009/08/25 16:24:49 adamdunkels Exp $
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*
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* -----------------------------------------------------------------
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*
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* Author : Marcus Lundén
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* Created : 2005-11-01
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* Updated : $Date: 2009/08/25 16:24:49 $
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* $Revision: 1.1 $
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*/
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#ifndef __EXT_SENSOR_H__
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#define __EXT_SENSOR_H__
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#include "lib/sensors.h"
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extern const struct sensors_sensor ext_sensor;
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#define EXT_SENSOR "Ext"
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#endif /* __EXT_SENSOR_H__ */
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