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sys/evtimer: make use of xtimer_left_usec()

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This commit is contained in:
Kaspar Schleiser 2020-01-27 15:28:33 +01:00
parent c9c8c98a4b
commit df520a70a7
1 changed files with 3 additions and 14 deletions
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17
sys/evtimer/evtimer.c
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@ -114,20 +114,9 @@ static void _update_timer(evtimer_t *evtimer)
static uint32_t _get_offset(xtimer_t *timer)
{
uint64_t now_us = xtimer_now_usec64();
uint64_t start_us = _xtimer_usec_from_ticks64(
((uint64_t)timer->long_start_time << 32) | timer->start_time);
uint64_t target_us = start_us + _xtimer_usec_from_ticks64(
((uint64_t)timer->long_offset) << 32 | timer->offset);
if (target_us <= now_us) {
return 0;
}
else {
target_us -= now_us;
/* add half of 125 so integer division rounds to nearest */
return div_u64_by_125((target_us >> 3) + 62);
}
uint64_t left = xtimer_left_usec(timer);
/* add half of 125 so integer division rounds to nearest */
return div_u64_by_125((left >> 3) + 62);
}
static void _update_head_offset(evtimer_t *evtimer)