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public c v1 · immutable#include <avr\io.h>#include <avr\interrupt.h>#define outp(a, b) b = a/*contains total ticks */unsigned long ticks = 0;/* interrupt handler */ISR(SIG_OVERFLOW0) { ticks++;}int main (void){ /*enable timer overflow interrupt*/ outp((1<<TOV0), TIMSK); /*set timer counter initial value*/ TCNT0=0x00; /*start timer without presscaler*/ outp((1<<CS00), TCCR0); /* enable interrupts */ ticks = 0; sei(); while(1);}