From 94dcafd869903e3d751705a235ed8dd94f0bb0f9 Mon Sep 17 00:00:00 2001
From: Lizongdi <1210855344@qq.com>
Date: Fri, 21 Aug 2026 14:17:53 +0800
Subject: [PATCH] =?UTF-8?q?=E3=80=90=E4=B8=BB=E7=BA=BF=E5=BE=85=E5=90=88?=
 =?UTF-8?q?=E3=80=91=E5=A2=9E=E5=8A=A0=E4=BC=A0=E9=80=92=E6=95=B0=E5=80=BC?=
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---
 bspMCU/l_stm32.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/bspMCU/l_stm32.c b/bspMCU/l_stm32.c
index 06cc3ed..f89b9d3 100644
--- a/bspMCU/l_stm32.c
+++ b/bspMCU/l_stm32.c
@@ -440,6 +440,13 @@ static int l_sendto(lua_State *L)
         }
         pData = buf;
     }
+    else if (lua_isinteger(L, 3))
+    {
+        static int32_t val;
+        val = (int32_t)lua_tointeger(L, 3);
+        pData = &val;
+        uiDataLen = sizeof(val);
+    }
 
     int ret = MsgCenter_SendTo(pszDstName, uiMsgID, pData, uiDataLen);
     lua_pushinteger(L, ret);