22 lines
485 B
C
22 lines
485 B
C
#include <avr/io.h>
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#define F_CPU 16000000//16MHz
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int main(void)
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{
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DDRA=0xFF;//Port A Output
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DDRB=0xFF;//Port B Output
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PORTD=0xFF;//activate pull-up
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while(1)
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{
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TCCR1A=0x00;//Normal mode
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TCCR1B=0x41;//rising edge, no pre-scaler, no noise canceller
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//while(TIFR1 && (1<<ICF1)==0);//
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//TIFR1=(1<<ICF1);//clear ICF1
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while(TIFR1 && 0x20 == 0x00);//waiting for ICF1 Flag to be set
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//ICF1=0;//why not this command?
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TIFR1=(1<<ICF1);
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PORTA=ICR1L;//
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PORTB=ICR1H;//
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}
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}
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