(mynewt-nimble) branch master updated: nimble/ll: Update ticks conversions for MCUs with idiv support

[rymek]

This is an automated email from the ASF dual-hosted git repository.

rymek pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/mynewt-nimble.git


The following commit(s) were added to refs/heads/master by this push:
     new c8de4cc3 nimble/ll: Update ticks conversions for MCUs with idiv support
c8de4cc3 is described below

commit c8de4cc348d3f865017d151759d38156b4449715
Author: Andrzej Kaczmarek <andrzej.kaczma...@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);