src/timer.h


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#ifndef _TIMER_H
#define _TIMER_H

/* updates 18.2 times per second */
extern volatile uint32_t ticks;

void timer_init();
void timer_free();

/* countdown clock */
void timer_start(uint8_t secs, volatile uint8_t *updated);
uint8_t timer_value();
void timer_stop();
void timer_resume();

#endif /* _TIMER_H */