21 lines
470 B
C
21 lines
470 B
C
#ifndef AVR_H
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#define AVR_H
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#include <stdint.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#define bit(pin, bit, on) pin = (on ? (pin | bit) : (pin & ~bit))
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#define sin(on) bit(PORTA, _BV(SIN), on)
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#define sclk(on) bit(PORTA, _BV(SCLK), on)
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#define sltch(on) bit(PORTA, _BV(SLTCH), on)
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#define nesclk(on) bit(PORTA, _BV(NESCLK), on)
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#define nesltch(on) bit(PORTA, _BV(NESLTCH), on)
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#define nesout() ((PINA & _BV(NESOUT)) << NESOUT)
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void avr_init(void);
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#endif
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