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/* ptpd_timer.c */
#include "../ptpd.h"
static int iElapsedMilliSeconds = 0;
void initTimer(void)
{
DBG("initTimer\n");
iElapsedMilliSeconds = 0;
}
void timerTick(int iTickMilliSeconds)
{
iElapsedMilliSeconds += iTickMilliSeconds;
}
void timerUpdate(IntervalTimer *itimer)
{
int i, delta;
delta = iElapsedMilliSeconds / 1000;
if(delta <= 0)
return;
iElapsedMilliSeconds %= 1000;
for(i = 0; i < TIMER_ARRAY_SIZE; ++i)
{
if(itimer[i].interval > 0 && (itimer[i].left -= delta) <= 0)
{
itimer[i].left = itimer[i].interval;
itimer[i].expire = TRUE;
DBGV("timerUpdate: timer %u expired\n", i);
}
}
}
void timerStop(UInteger16 index, IntervalTimer *itimer)
{
if(index >= TIMER_ARRAY_SIZE)
return;
itimer[index].interval = 0;
}
void timerStart(UInteger16 index, UInteger16 interval, IntervalTimer *itimer)
{
if(index >= TIMER_ARRAY_SIZE)
return;
itimer[index].expire = FALSE;
itimer[index].left = interval;
itimer[index].interval = itimer[index].left;
DBGV("timerStart: set timer %d to %d\n", index, interval);
}
Boolean timerExpired(UInteger16 index, IntervalTimer *itimer)
{
timerUpdate(itimer);
if(index >= TIMER_ARRAY_SIZE)
return FALSE;
if(!itimer[index].expire)
return FALSE;
itimer[index].expire = FALSE;
return TRUE;
}
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