Andrew Boyson / clock

Dependents:   oldheating gps motorhome heating

timer/timer.h

Committer:
andrewboyson
Date:
2018-12-03
Revision:
39:5b594b1b6a0a
Parent:
35:ba9f575aa3c6

File content as of revision 39:5b594b1b6a0a:

#include <stdint.h>
#include <stdbool.h>

extern uint32_t TimerCount(void);
extern uint32_t TimerSinceRepetitive(uint32_t* pLastCount);
extern uint32_t TimerSinceCount(uint32_t lastCount);
extern uint32_t TimerSinceMs(uint32_t lastCount);
extern bool     TimerRepetitiveTick(uint32_t* pLastCount, uint32_t interval);

extern int32_t  TimerMultiplyFractionalPart(int32_t value, uint32_t timerCountSinceLast, uint32_t interval);
extern void     TimerInit(void);

#define TIMER_COUNT_PER_SECOND 96000000UL
#define TIMER_COUNT_PER_MS     (TIMER_COUNT_PER_SECOND / 1000);
#define TIMER_COUNT_PER_US     (TIMER_COUNT_PER_MS     / 1000);