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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2021/01/31 00:01:43 UTC

[GitHub] [incubator-nuttx] v01d commented on a change in pull request #2782: nRF52 fixes

v01d commented on a change in pull request #2782:
URL: https://github.com/apache/incubator-nuttx/pull/2782#discussion_r567341383



##########
File path: arch/arm/src/nrf52/nrf52_tickless_rtc.c
##########
@@ -111,7 +111,17 @@ struct nrf52_tickless_dev_s g_tickless_dev;
  * Private Functions
  ****************************************************************************/
 
-static void rtc_counter_to_ts(uint32_t counter, struct timespec *now)
+static inline uint32_t rtc_getcounter(void)
+{
+  return getreg32(NRF52_RTC_BASE + NRF52_RTC_COUNTER_OFFSET);

Review comment:
       The point is that I'm looking for maximum speed, as close as possible to `*cc = *counter + 2`. I'm not sure it is worth the risk on adding extra computation if it will end up locking up a sleep() under stress execution.




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