net: openthread: priortize usec timer for openthread port.

This commit prioritizes usec timer over msec. Doing so improves CSL by helping scheduling timeslots on IEEE 802.15.4 with lower miss rate. Signed-off-by: Przemyslaw Bida <[email protected]>
zephyrproject-rtos · Sep 12, 2022 · 2636bb4 · 2636bb4
1 parent 1c411cc
commit 2636bb4
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/modules/openthread/platform/alarm.c b/modules/openthread/platform/alarm.c
@@ -58,6 +58,12 @@ void platformAlarmInit(void)
 
 void platformAlarmProcess(otInstance *aInstance)
 {
+#if OPENTHREAD_CONFIG_PLATFORM_USEC_TIMER_ENABLE
+	if (timer_us_fired) {
+		timer_us_fired = false;
+		otPlatAlarmMicroFired(aInstance);
+	}
+#endif
 	if (timer_ms_fired) {
 		timer_ms_fired = false;
 #if defined(CONFIG_OPENTHREAD_DIAG)
@@ -69,12 +75,6 @@ void platformAlarmProcess(otInstance *aInstance)
 			otPlatAlarmMilliFired(aInstance);
 		}
 	}
-#if OPENTHREAD_CONFIG_PLATFORM_USEC_TIMER_ENABLE
-	if (timer_us_fired) {
-		timer_us_fired = false;
-		otPlatAlarmMicroFired(aInstance);
-	}
-#endif
 }
 
 uint32_t otPlatAlarmMilliGetNow(void)