arduino-0018-windows
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/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <joerg@FreeBSD.ORG> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Joerg Wunsch
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* ----------------------------------------------------------------------------
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*
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* IO feature compatibility definitions for various AVRs.
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*
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* $Id: iocompat.h,v 1.6.2.1 2008/03/17 22:08:46 joerg_wunsch Exp $
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*/
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#if !defined(IOCOMPAT_H)
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#define IOCOMPAT_H 1
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/*
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* Device-specific adjustments:
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*
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* Supply definitions for the location of the OCR1[A] port/pin, the
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* name of the OCR register controlling the PWM, and adjust interrupt
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* vector names that differ from the one used in demo.c
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* [TIMER1_OVF_vect].
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*/
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#if defined(__AVR_AT90S2313__)
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# define OC1 PB3
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# define OCR OCR1
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# define DDROC DDRB
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# define TIMER1_OVF_vect TIMER1_OVF1_vect
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#elif defined(__AVR_AT90S2333__) || defined(__AVR_AT90S4433__)
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# define OC1 PB1
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# define DDROC DDRB
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# define OCR OCR1
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#elif defined(__AVR_AT90S4414__) || defined(__AVR_AT90S8515__) || \
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defined(__AVR_AT90S4434__) || defined(__AVR_AT90S8535__) || \
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defined(__AVR_ATmega163__) || defined(__AVR_ATmega8515__) || \
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defined(__AVR_ATmega8535__) || \
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defined(__AVR_ATmega164P__) || defined(__AVR_ATmega324P__) || \
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defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) || \
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defined(__AVR_ATmega1284P__)
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# define OC1 PD5
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# define DDROC DDRD
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# define OCR OCR1A
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# if !defined(TIMSK) /* new ATmegas */
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# define TIMSK TIMSK1
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# endif
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#elif defined(__AVR_ATmega8__) || defined(__AVR_ATmega48__) || \
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defined(__AVR_ATmega88__) || defined(__AVR_ATmega168__)
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# define OC1 PB1
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# define DDROC DDRB
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# define OCR OCR1A
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# if !defined(TIMSK) /* ATmega48/88/168 */
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# define TIMSK TIMSK1
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# endif /* !defined(TIMSK) */
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#elif defined(__AVR_ATtiny2313__)
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# define OC1 PB3
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# define OCR OCR1A
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# define DDROC DDRB
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#elif defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || \
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defined(__AVR_ATtiny84__)
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# define OC1 PA6
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# define DDROC DDRA
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# if !defined(OCR1A)
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# /* work around misspelled name in avr-libc 1.4.[0..1] */
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# define OCR OCRA1
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# else
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# define OCR OCR1A
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# endif
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# define TIMSK TIMSK1
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# define TIMER1_OVF_vect TIM1_OVF_vect /* XML and datasheet mismatch */
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#elif defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || \
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defined(__AVR_ATtiny85__)
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/* Timer 1 is only an 8-bit timer on these devices. */
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# define OC1 PB1
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# define DDROC DDRB
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# define OCR OCR1A
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# define TCCR1A TCCR1
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# define TCCR1B TCCR1
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# define TIMER1_OVF_vect TIM1_OVF_vect
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# define TIMER1_TOP 255 /* only 8-bit PWM possible */
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# define TIMER1_PWM_INIT _BV(PWM1A) | _BV(COM1A1)
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# define TIMER1_CLOCKSOURCE _BV(CS12) /* use 1/8 prescaler */
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#elif defined(__AVR_ATtiny26__)
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/* Rather close to ATtinyX5 but different enough for its own section. */
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# define OC1 PB1
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# define DDROC DDRB
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# define OCR OCR1A
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# define TIMER1_OVF_vect TIMER1_OVF1_vect
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# define TIMER1_TOP 255 /* only 8-bit PWM possible */
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# define TIMER1_PWM_INIT _BV(PWM1A) | _BV(COM1A1)
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# define TIMER1_CLOCKSOURCE _BV(CS12) /* use 1/8 prescaler */
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/*
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* Without setting OCR1C to TOP, the ATtiny26 does not trigger an
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* overflow interrupt in PWM mode.
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*/
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# define TIMER1_SETUP_HOOK() OCR1C = 255
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#elif defined(__AVR_ATtiny261__) || defined(__AVR_ATtiny461__) || \
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defined(__AVR_ATtiny861__)
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# define OC1 PB1
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# define DDROC DDRB
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# define OCR OCR1A
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# define TIMER1_PWM_INIT _BV(WGM10) | _BV(PWM1A) | _BV(COM1A1)
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/*
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* While timer 1 could be operated in 10-bit mode on these devices,
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* the handling of the 10-bit IO registers is more complicated than
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* that of the 16-bit registers of other AVR devices (no combined
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* 16-bit IO operations possible), so we restrict this demo to 8-bit
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* mode which is pretty standard.
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*/
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# define TIMER1_TOP 255
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# define TIMER1_CLOCKSOURCE _BV(CS12) /* use 1/8 prescaler */
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#elif defined(__AVR_ATmega32__) || defined(__AVR_ATmega16__)
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# define OC1 PD5
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# define DDROC DDRD
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# define OCR OCR1A
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#elif defined(__AVR_ATmega64__) || defined(__AVR_ATmega128__) || \
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defined(__AVR_ATmega165__) || defined(__AVR_ATmega169__) || \
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defined(__AVR_ATmega325__) || defined(__AVR_ATmega3250__) || \
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defined(__AVR_ATmega645__) || defined(__AVR_ATmega6450__) || \
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defined(__AVR_ATmega329__) || defined(__AVR_ATmega3290__) || \
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defined(__AVR_ATmega649__) || defined(__AVR_ATmega6490__) || \
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defined(__AVR_ATmega640__) || \
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defined(__AVR_ATmega1280__) || defined(__AVR_ATmega1281__) || \
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defined(__AVR_ATmega2560__) || defined(__AVR_ATmega2561__)
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# define OC1 PB5
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# define DDROC DDRB
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# define OCR OCR1A
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# if !defined(PB5) /* work around missing bit definition */
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# define PB5 5
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# endif
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# if !defined(TIMSK) /* new ATmegas */
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# define TIMSK TIMSK1
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# endif
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#else
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# error "Don't know what kind of MCU you are compiling for"
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#endif
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/*
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* Map register names for older AVRs here.
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*/
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#if !defined(COM1A1)
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# define COM1A1 COM11
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#endif
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#if !defined(WGM10)
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# define WGM10 PWM10
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# define WGM11 PWM11
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#endif
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/*
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* Provide defaults for device-specific macros unless overridden
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* above.
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*/
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#if !defined(TIMER1_TOP)
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# define TIMER1_TOP 1023 /* 10-bit PWM */
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#endif
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#if !defined(TIMER1_PWM_INIT)
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# define TIMER1_PWM_INIT _BV(WGM10) | _BV(WGM11) | _BV(COM1A1)
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#endif
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#if !defined(TIMER1_CLOCKSOURCE)
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# define TIMER1_CLOCKSOURCE _BV(CS10) /* full clock */
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#endif
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#endif /* !defined(IOCOMPAT_H) */
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