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nimble/ll: Update ticks conversions for MCUs with idiv support #1820

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Aug 5, 2024
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nimble/ll: Update ticks conversions for MCUs with idiv support #1820

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8 changes: 8 additions & 0 deletions nimble/controller/include/controller/ble_ll_tmr.h
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Original file line number Diff line number Diff line change
Expand Up @@ -64,9 +64,17 @@ ble_ll_tmr_u2t(uint32_t usecs)
return usecs / 32;
#endif
#if MYNEWT_VAL(OS_CPUTIME_FREQ) == 32768
#if __ARM_FEATURE_IDIV
if (usecs < 131072) {
return (usecs * 32768) / 1000000;
} else {
return ((uint64_t)usecs * 32768) / 1000000;
}
#else
if (usecs <= 31249) {
return (usecs * 137439) / 4194304;
}
#endif
#endif

return os_cputime_usecs_to_ticks(usecs);
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