tmk_keyboard/timer.h

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2010-10-29 02:17:18 -04:00
#ifndef TIMER_H
#define TIMER_H 1
#include <stdint.h>
#define TIMER_DIFF(a, b) ((a) >= (b) ? (a) - (b) : UINT16_MAX - (b) + (a))
extern volatile uint16_t timer_count;
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void timer_init(void);
void timer_clear(void);
uint16_t timer_read(void);
uint16_t timer_elapsed(uint16_t last);
#endif