Moved to msp430/cpu/dev/
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adamdunkels
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2 changed files with 0 additions and 227 deletions
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/*
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* Copyright (c) 2005, 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: irq.c,v 1.2 2006/08/30 07:45:56 nifi Exp $
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*/
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#include "contiki-esb.h"
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#include <signal.h>
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#define ADC12MCTL_NO(adcno) ((unsigned char *) ADC12MCTL0_)[adcno]
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static unsigned char adcflags;
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/*---------------------------------------------------------------------------*/
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interrupt(PORT1_VECTOR)
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irq_p1(void)
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{
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if(sensors_handle_irq(IRQ_PORT1)) {
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LPM_AWAKE();
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}
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P1IFG = 0x00;
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}
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/*---------------------------------------------------------------------------*/
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interrupt(PORT2_VECTOR)
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irq_p2(void)
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{
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if(sensors_handle_irq(IRQ_PORT2)) {
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LPM_AWAKE();
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}
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P2IFG = 0x00;
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}
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/*---------------------------------------------------------------------------*/
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interrupt (ADC_VECTOR)
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irq_adc(void)
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{
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if(sensors_handle_irq(IRQ_ADC)) {
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LPM_AWAKE();
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}
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}
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/*---------------------------------------------------------------------------*/
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void
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irq_init(void)
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{
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adcflags = 0;
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/* Setup ADC12, ref., sampling time */
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ADC12CTL0 = REF2_5V | SHT0_10 | SHT1_10 | MSC;
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/* Use sampling timer, repeat-sequence-of-channels */
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/* ADC12CTL1 = SHP | CONSEQ_3 | ADC12DIV_3; */
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ADC12CTL1 = SHP | CONSEQ_3;
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}
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/*---------------------------------------------------------------------------*/
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/* Set lowest ADC to be start in sequence and highest to be interrupt
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enabled and set end-of-sequence on the highest active ADC */
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static void
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sethilo(void)
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{
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int c;
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/* Clear start of sequence */
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ADC12CTL1 &= ~(CSTARTADD_15);
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/* Set new start of sequence to lowest active memory holder */
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for(c = 0; c < 8; c++) {
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if(adcflags & (1 << c)) {
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ADC12CTL1 |= (c * CSTARTADD_1);
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break;
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}
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}
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/* Clear all interrupts and end-of-sequences */
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ADC12IE = 0;
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for(c = 0; c < 8; c++) {
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ADC12MCTL_NO(c) &= ~EOS;
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}
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/* Set highest interrupt and end-of-sequence. This will generate one
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interrupt for each sequence of conversions. */
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for(c = 0; c < 8; c++) {
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if(adcflags & (128 >> c)) {
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ADC12IE |= 128 >> c;
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ADC12MCTL_NO(7 - c) |= EOS;
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break;
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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void
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irq_adc12_activate(const struct sensors_sensor *sensor,
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unsigned char adcno, unsigned char config)
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{
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/* stop converting */
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ADC12CTL0 &= ~ENC;
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/* wait for conversion to stop */
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while(ADC12CTL0 & ADC12BUSY);
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ADC12CTL0 &= ~(ADC12ON | REFON);
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ADC12IE = 0;
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/* clear any pending interrupts */
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ADC12IFG = 0;
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adcflags |= (1 << adcno);
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ADC12MCTL_NO(adcno) = config;
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sethilo();
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ADC12CTL0 |= ADC12ON | REFON;
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sensors_add_irq(sensor, IRQ_ADC);
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/* Delay */
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clock_delay(20000);
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ADC12CTL0 |= ENC | ADC12SC;
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}
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/*---------------------------------------------------------------------------*/
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void
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irq_adc12_deactivate(const struct sensors_sensor *sensor, unsigned char adcno)
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{
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/* stop converting */
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ADC12CTL0 &= ~ENC;
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/* wait for conversion to stop */
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while(ADC12CTL0 & ADC12BUSY);
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ADC12CTL0 &= ~(ADC12ON | REFON);
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ADC12IE = 0;
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/* clear any pending interrupts */
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ADC12IFG = 0;
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adcflags &= ~(1 << adcno);
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ADC12MCTL_NO(adcno) = 0;
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sethilo();
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sensors_remove_irq(sensor, IRQ_ADC);
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if(adcflags) {
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/* Turn on the ADC12 */
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ADC12CTL0 |= (ADC12ON | REFON);
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/* Delay */
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clock_delay(20000);
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/* Still active. Turn on the conversion. */
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ADC12CTL0 |= ENC | ADC12SC;
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}
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}
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/*---------------------------------------------------------------------------*/
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int
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irq_adc12_active(unsigned char adcno)
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{
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return adcflags & (1 << adcno) ? 1 : 0;
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}
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/*---------------------------------------------------------------------------*/
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@ -1,44 +0,0 @@
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/*
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* Copyright (c) 2005, 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: irq.h,v 1.1 2006/06/18 07:49:33 adamdunkels Exp $
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*/
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#ifndef __IRQ_H__
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#define __IRQ_H__
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void irq_adc12_activate(const struct sensors_sensor *sensor,
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unsigned char adcno, unsigned char config);
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void irq_adc12_deactivate(const struct sensors_sensor *sensor,
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unsigned char adcno);
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int irq_adc12_active(unsigned char adcno);
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#endif /* __IRQ_H__ */
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