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| 1 |
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| 2 | #define SETBIT(PORT,PIN) (PORT |= 1<<PIN)
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| 3 | #define CLRBIT(PORT,PIN) (PORT &= ~(1<<PIN))
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| 4 |
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| 5 | #define ISRXFHIGH ( PINC & (1<<RXF) )
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| 6 | #define ISRXFLOW ( !ISRXFHIGH)
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| 7 | #define ISTXEHIGH ( PINC & (1<<TXE) )
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| 8 | #define ISTXELOW ( !ISTXEHIGH)
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| 9 | #define READFROMDATABUS ( ( (PINB & 0x03) << 6 ) | ( (PIND & 0xfc) >> 2) )
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| 10 | #define ISBUTTONPRESSED (!((PINC & (1<<BUTTON))>>BUTTON))
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| 11 |
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| 12 | #define MAKEDATABUSINPUT {DDRB &= ~((1 << 0) | (1<<1)); DDRD &= ~0xfc; PORTB |= (1 << 0) | (1<<1); PORTD |= 0xfc; }
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| 13 | #define MAKEDATABUSOUTPUT { DDRB |= (1 << 0) | (1<<1); DDRD |= 0xfc; }
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| 14 |
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| 15 | #define PUTONDATABUS(x) {PORTB = (PORTB & 0xfc) | (x&0xc0)>>6 ; PORTD = (PORTD & 0x03) | (x&0x3f)<<2; }
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