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add time util function.

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Gatsby Van
2023-12-22 13:19:43 +08:00
parent 2a17fa9183
commit dc292a8cd3
2 changed files with 26 additions and 0 deletions
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datalink814_ge/src/time_ctrl/time_ctrl.c
+25
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@@ -219,3 +219,28 @@ void TimeCtrl_SetOptimizeStep(TIMECTRL_INST* instPtr, TIME_FRAC* tmFrac) {
ASSERT(tmFrac != NULL);
TMC_Write(instPtr, CNTSTEP_OPT, *tmFrac);
}
/*****************************************************************************/
/**
* @brief Calculate tmA - tmA.
*
* @param tmA time stamp A
* @param tmA time stamp B
* @param tRound t round
*
* @return NONE
*
******************************************************************************/
void TimeCtrl_CalculateTimeGap(const TIME_WORD *a, const TIME_WORD *b, TIME_WORD *gap){
ASSERT(a != NULL);
ASSERT(b != NULL);
ASSERT(gap != NULL);
uint64_t timeDiff;
timeDiff = (uint64_t) b->frac_part;
timeDiff += ((uint64_t)b->int_part) * COUNTE_FRAC_MAX;
timeDiff -= ((uint64_t)a->int_part) * COUNTE_FRAC_MAX;
timeDiff -= (uint64_t) a->frac_part;
gap->frac_part = (TIME_FRAC)(timeDiff % COUNTE_FRAC_MAX);
gap->frac_part = (TIME_INT)(timeDiff / COUNTE_FRAC_MAX);
}