X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_timer.c;h=e07625d8d7d1e809db29f18c5f6deaae388f0869;hb=0b65402361f36a0c722977bcb63edb26fda0db28;hp=d69035f82b76227c2033eb3397a15a1d4f3c51f9;hpb=b49c751749dcd3e78991463c098f8d916f52179d;p=fw%2Faltos

diff --git a/src/stm/ao_timer.c b/src/stm/ao_timer.c
index d69035f8..e07625d8 100644
--- a/src/stm/ao_timer.c
+++ b/src/stm/ao_timer.c
@@ -44,7 +44,8 @@ void stm_tim6_isr(void)
 		stm_tim6.sr = 0;
 		++ao_tick_count;
 #if HAS_TASK_QUEUE
-		ao_task_check_alarm((uint16_t) ao_tick_count);
+		if (ao_task_alarm_tick && (int16_t) (ao_tick_count - ao_task_alarm_tick) >= 0)
+			ao_task_check_alarm((uint16_t) ao_tick_count);
 #endif
 #if AO_DATA_ALL
 		if (++ao_data_count == ao_data_interval) {