Andrew Boyson / clock

Dependents:   oldheating gps motorhome heating

timer/timer.h

Committer:
andrewboyson
Date:
2018-12-01
Revision:
35:ba9f575aa3c6
Parent:
timer.h@ 33:b9e3c06e7dab
Child:
39:5b594b1b6a0a

File content as of revision 35:ba9f575aa3c6:

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

extern uint32_t TimerNowCount(void);
extern uint32_t TimerIntervalCount(uint32_t* pLastCount);
extern uint32_t TimerSinceCount(uint32_t startCount);
extern uint32_t TimerSinceMs(uint32_t startCount);
extern bool     TimerIntervalHasElapsed(uint32_t* pBaseCount, uint32_t intervalCount);

extern int32_t  TimerMultiplyFractionalPart(int32_t value, uint32_t timerCountSinceStart, 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);