From 8232ec2c55a5057ebc7b76c47506afda2529fb2f Mon Sep 17 00:00:00 2001
From: wangfq <wangfq@collectpublish.net>
Date: Wed, 8 Jul 2026 16:11:50 +0800
Subject: [PATCH] =?UTF-8?q?fix(iot=5Fmqtt):=20=E6=94=B9=E7=94=A8=20net=5Fs?=
 =?UTF-8?q?rv.c=20mqtt=5Fpublish()=20=E5=8F=91=E9=80=81=E4=BC=A0=E6=84=9F?=
 =?UTF-8?q?=E6=95=B0=E6=8D=AE?=
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iot_mqtt_publish_sensor() 原先调用 iot_mqtt_publish() →
iot_mqtt_send() → WCHNET_SocketSend() 从主循环发送导致重启。
改为调用 net_srv.c 的 mqtt_publish()（与 report_config 响应
共用同一路径，已验证在中断上下文中稳定工作）。

同时在 net_srv.h 中声明 mqtt_publish() 供跨文件调用。
---
 vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c
index 656035c..9dff79c 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c
@@ -439,7 +439,8 @@ void iot_mqtt_publish_sensor(void) {
         if (plen > 450) {
             PRINT("IOT: payload too large (%u bytes), skipping\n", plen);
         } else {
-            iot_mqtt_publish(topic, payload, plen, 0);
+            /* Use net_srv.c mqtt_publish() -- same path as command responses (proven stable) */
+            mqtt_publish(topic, payload, 0);
         }
     }