Andrew Boyson / clock

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timer.h@33:b9e3c06e7dab, 2018-11-30 (annotated)

Committer:
andrewboyson
Date:
Fri Nov 30 18:28:04 2018 +0000
Revision:
33:b9e3c06e7dab
Parent:
31:f6ff7fdb9c67 
Made clktime.c instead of tick.c; made tick.c for 20ms ticks. Lots of tidying.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 24:6c9833e2a049 1 #include <stdint.h>
andrewboyson 26:0421132e6eaf 2 #include <stdbool.h>
andrewboyson 24:6c9833e2a049 3
andrewboyson 24:6c9833e2a049 4 extern uint32_t TimerNowCount(void);
andrewboyson 26:0421132e6eaf 5 extern uint32_t TimerIntervalCount(uint32_t* pLastCount);
andrewboyson 24:6c9833e2a049 6 extern uint32_t TimerSinceCount(uint32_t startCount);
andrewboyson 25:81014a201736 7 extern uint32_t TimerSinceMs(uint32_t startCount);
andrewboyson 33:b9e3c06e7dab 8 extern bool TimerIntervalHasElapsed(uint32_t* pBaseCount, uint32_t intervalCount);
andrewboyson 25:81014a201736 9
andrewboyson 33:b9e3c06e7dab 10 extern int32_t TimerMultiplyFractionalPart(int32_t value, uint32_t timerCountSinceStart, uint32_t interval);
andrewboyson 26:0421132e6eaf 11 extern void TimerInit(void);
andrewboyson 26:0421132e6eaf 12
andrewboyson 25:81014a201736 13 #define TIMER_COUNT_PER_SECOND 96000000UL
andrewboyson 25:81014a201736 14 #define TIMER_COUNT_PER_MS (TIMER_COUNT_PER_SECOND / 1000);
andrewboyson 25:81014a201736 15 #define TIMER_COUNT_PER_US (TIMER_COUNT_PER_MS / 1000);