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Posted to commits@mynewt.apache.org by an...@apache.org on 2024/07/31 09:45:15 UTC
(mynewt-nimble) branch ll-ticks-idiv-conv created (now b96dbb70)
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andk pushed a change to branch ll-ticks-idiv-conv
in repository https://gitbox.apache.org/repos/asf/mynewt-nimble.git
at b96dbb70 nimble/ll: Update ticks conversions for MCUs with idiv support
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new b96dbb70 nimble/ll: Update ticks conversions for MCUs with idiv support
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(mynewt-nimble) 01/01: nimble/ll: Update ticks conversions for MCUs with idiv support
Posted by an...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
andk pushed a commit to branch ll-ticks-idiv-conv
in repository https://gitbox.apache.org/repos/asf/mynewt-nimble.git
commit b96dbb709173d88fcae7e2c24cf64854230ffaf8
Author: Andrzej Kaczmarek <an...@codecoup.pl>
AuthorDate: Wed Jul 31 11:05:22 2024 +0200
nimble/ll: Update ticks conversions for MCUs with idiv support
We can use simple calculations for MCUs that support idiv. This has also
larger range of allowed values on uint32_t values.
---
nimble/controller/include/controller/ble_ll_tmr.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/nimble/controller/include/controller/ble_ll_tmr.h b/nimble/controller/include/controller/ble_ll_tmr.h
index 2d79427b..bf625038 100644
--- a/nimble/controller/include/controller/ble_ll_tmr.h
+++ b/nimble/controller/include/controller/ble_ll_tmr.h
@@ -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);