tmk_keyboard/timer.h
2010-10-30 01:16:47 +09:00

18 lines
286 B
C

#ifndef TIMER_H
#define TIMER_H 1
#include <stdint.h>
#define TIMER_DIFF(a, b) ((a) >= (b) ? (a) - (b) : UINT16_MAX - (b) + (a))
extern uint16_t timer_count;
void timer_init(void);
void timer_clear(void);
uint16_t timer_read(void);
uint16_t timer_elapsed(uint16_t last);
#endif