From 9a961cb43987ff245a223e0cb70df86b71cafa73 Mon Sep 17 00:00:00 2001
From: wdfk-prog <1425075683@qq.com>
Date: Thu, 5 Feb 2026 13:42:30 +0800
Subject: [PATCH] =?UTF-8?q?fix(cmsis=5Frtthread):=20=E9=98=B2=E6=AD=A2?=
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- 事件标志设置由rtt函数内部保护后设置
---
 cmsis_rtthread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmsis_rtthread.c b/cmsis_rtthread.c
index 4d255e1..0153b1b 100644
--- a/cmsis_rtthread.c
+++ b/cmsis_rtthread.c
@@ -1367,7 +1367,7 @@ uint32_t osEventFlagsSet(osEventFlagsId_t ef_id, uint32_t flags)
         return ((uint32_t)osFlagsErrorParameter);
     }
 
-    set_flags = event_cb->event.set |= flags;
+    set_flags = event_cb->event.set | flags;
 
     result = rt_event_send(&(event_cb->event), flags);