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/* timer test programm for timer1: 16bit with external clock */
#include <avr/interrupt.h>
volatile int timer_ticks;
int main(void) {
int tmp, tmp2;
TCNT1H = 0; /* Timer 1 with external clock */
TCNT1L = 0;
TCCR1A = 0;
#ifdef NEGEDGE_T1
TCCR1B = 0x06; /* normal mode, external clock negative edge */
#else
TCCR1B = 0x07; /* normal mode, external clock positive edge */
#endif
TCCR1C = 0;
tmp = 0;
tmp2 = 0;
while(1) {
tmp2 = TCNT1L;
tmp2 += (TCNT1H << 8);
if(tmp != tmp2) {
tmp = tmp2;
timer_ticks = tmp;
}
}
return 0;
}
/* EOF */
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